CN115864734B - Drive assembly for cable management system - Google Patents

Abstract

The invention relates to the technical field of reduction boxes, in particular to a driving assembly for a cable management system, which comprises a box body, a transmission shaft, an operation shaft, a driving device, a transmission mechanism for linking the transmission shaft with the operation shaft, an adjusting mechanism and a monitoring assembly, wherein the transmission mechanism is arranged on the box body; the transmission shaft and the operation shaft are both rotationally connected in the box body, the operation shaft comprises a first operation shaft and a second operation shaft, and the transmission shaft is connected with the first operation shaft through a transmission mechanism; the monitoring component comprises a dynamic torque sensor, a PLC controller and a display; one end of the dynamic torque sensor is connected with the first operation shaft, the other end of the dynamic torque sensor is connected with the second operation shaft, the display is arranged on the box body, the dynamic torque sensor is electrically connected with the PLC, and the PLC is electrically connected with the display. The torque adjusting device improves the accuracy of torque adjustment.

Description

Drive assembly for cable management system

Technical Field

The invention relates to the technical field of reduction boxes, in particular to a drive assembly for a cable management system.

Background

As the ship loads and unloads goods by port, the draft of the ship is continuously changed, and if shore power is required to be supplied to the ship, the function that the power supply cable can be changed along with the change of the draft of the ship is required to be solved, so that the ship shore power cable management system is derived. The existing reduction gearbox for the shore power winch is difficult to realize constant output torque, and the winch cable is damaged due to the fact that excessive torque is easy to occur, so that the reduction gearbox with constant output torque is derived.

The reduction gearbox with constant output torque can realize the adjustment of the torque, but the adjustment process can only be adjusted by taking the feeling of a staff for adjusting the torque and the observation of naked eyes on the field condition as the basis, and the accuracy of adjusting the torque is poor without specific reference.

Disclosure of Invention

To improve the accuracy of adjusting torque, the present application provides a drive assembly for a cable management system.

The application provides a drive assembly for cable management system adopts following technical scheme:

a drive assembly for a cable management system comprises a box body, a transmission shaft, an operation shaft, a drive device, a transmission mechanism for linking the drive shaft with the operation shaft, an adjusting mechanism and a monitoring assembly;

the transmission shaft and the operation shaft are both rotationally connected in the box body, the operation shaft comprises a first operation shaft and a second operation shaft, and the transmission shaft is connected with the first operation shaft through a transmission mechanism;

the driving device comprises a first motor, a worm wheel and a worm; the first motor is arranged on the box body, the worm is rotationally connected to the box body, one end of the worm is connected with the first motor, the worm wheel is rotationally connected to the transmission shaft, and the worm wheel is meshed with the worm;

the adjusting mechanism comprises a fixed friction disc, a movable friction disc, a spring, a mounting disc and a driving assembly for driving the mounting disc to move; the fixed friction disk is fixedly connected to the transmission shaft, the fixed friction disk is positioned on one side of the worm wheel and is abutted against the worm wheel, the movable friction disk is movably sleeved on the transmission shaft, the movable friction disk is positioned on one side of the worm wheel away from the fixed friction disk and abutted against the worm wheel, the mounting disk is movably sleeved on the transmission shaft, the mounting disk is connected with the movable friction disk through a spring, the driving assembly is arranged on the box body, and the output end of the driving assembly acts on the mounting disk;

the monitoring component comprises a dynamic torque sensor, a PLC controller and a display; one end of the dynamic torque sensor is connected with the first operation shaft, the other end of the dynamic torque sensor is connected with the second operation shaft, the display is arranged on the box body, the dynamic torque sensor is electrically connected with the PLC, and the PLC is electrically connected with the display.

Through adopting above-mentioned technical scheme, start first motor, first motor drives the worm and rotates, the worm drives the worm wheel and rotates, through drive assembly to the mounting disc application of force, the mounting disc is with the force application for the spring, thereby the movable friction disc is tight to the worm wheel, movable friction disc and fixed friction disc cooperation use, movable friction disc is tight to worm wheel one side, fixed friction disc is tight to the worm wheel opposite side, the worm wheel is pressed from both sides tightly by fixed friction disc and movable friction disc, under the effect of friction force, the worm wheel passes through fixed friction disc and drives the transmission shaft and rotate, the transmission shaft passes through drive mechanism and drives first operation axle and rotate, first operation axle passes through dynamic torque sensor and drives the rotation of second operation axle, realize the whole rotation of operation axle, the moment of torsion load that the operation axle received is by dynamic torque sensor real-time monitoring, dynamic torque sensor transmits the electric signal that monitors, PLC controller turns into digital signal and shows on the display, so that the staff can look over the moment of torsion load of operation axle at any time, the moment of torsion data is more accurate and can show. Along with the continuous regulation drive assembly of staff, the force that the spring received constantly changes, and movable friction disk is different with fixed friction disk to the tight degree of clamp of worm wheel to realize the regulation to the moment of torsion load, when the moment of torsion load that shows on the display reaches the preset standard, stop the regulation to drive assembly, whole in the adjustment process, the staff can regard the moment of torsion load data that shows on the display as the reference, rather than rely on feeling and naked eye observation, thereby make the accuracy of adjustment moment of torsion higher.

Optionally, the drive assembly includes third gear, fourth gear and driving piece, and third gear threaded connection is on the transmission shaft, and the third gear is located the one side that the spring was kept away from to the mounting disc, rotates on the box and is connected with the drive shaft, and the fourth gear setting is in the drive shaft, and third gear and fourth gear meshing, the thickness of fourth gear are greater than the thickness of third gear, and the driving piece is connected the drive shaft.

Through adopting above-mentioned technical scheme, the driving piece drives the drive shaft and rotates, and the drive shaft drives the fourth gear and rotates, and the fourth gear drives the third gear and rotates, because threaded connection between third gear and the transmission shaft, in the third gear rotation in-process, the relative position between third gear and the transmission shaft changes, and the third gear is applied force the mounting disc in the rotation in-process to change the position of mounting disc, the mounting disc is applied force and is given the spring, thereby makes movable friction disc tightly support the worm wheel, and the staff can adjust the position of mounting disc according to the demand.

Optionally, the opposite lateral walls of the third gear and the mounting plate are respectively provided with an arc-shaped groove, the center line of the arc-shaped groove on the third gear coincides with the center line of the arc-shaped groove on the mounting plate, a ball is arranged between the third gear and the mounting plate, the ball is positioned in the arc-shaped groove, and a gap is reserved between the third gear and the mounting plate.

Through adopting above-mentioned technical scheme, at third gear rotation in-process, the third gear passes through the ball and to the mounting disc application of force, and leaves the space between third gear and the mounting disc, can enough avoid taking place the friction between third gear and the mounting disc, promote the mounting disc removal that again can be smooth.

Optionally, the driving member includes a driving handle, and the driving handle is connected to the driving shaft.

Through adopting above-mentioned technical scheme, when the position of needs regulation third gear, only need rotate the actuating handle according to the demand can for the adjustment process is convenient, swift.

Optionally, the device further comprises a rotating device, wherein the rotating device comprises a second motor and a rotating plate, the second motor is arranged on the box body, and the rotating plate is connected to a motor shaft of the second motor;

the driving piece comprises a third motor, a fourth motor, a chain wheel and a chain, the box body is rotationally connected with a linkage shaft, the driving shaft penetrates through the side wall of the box body, the chain wheel is arranged on the driving shaft and the linkage shaft, and the chain is sleeved on the chain wheel; the third motor and the fourth motor are arranged on the rotating plate, the axis of the motor shaft of the third motor, the axis of the motor shaft of the fourth motor and the axis of the linkage shaft are coincident, the axis of the motor shaft of the second motor is intersected with the axis of the linkage shaft and is mutually perpendicular, the motor shafts of the third motor and the fourth motor are symmetrically arranged by taking the motor shaft of the second motor as the center, the motor shafts of the third motor and the motor shaft of the fourth motor face opposite directions, driving blocks are connected on the motor shafts of the third motor and the motor shafts of the fourth motor, the driving blocks on the third motor and the driving blocks on the fourth motor are located on the same side of the center line of the linkage shaft, linkage grooves are formed in the opposite sides of the linkage shaft, and the driving blocks on the third motor or the driving blocks on the fourth motor are inserted in the linkage grooves.

By adopting the technical scheme, initially, the driving block on the third motor is inserted in the linkage groove, the third motor drives the driving block to rotate in a working state, the linkage shaft is driven to rotate by the cooperation of the driving block and the linkage groove, and the driving shaft is driven to rotate by the cooperation of the chain wheel and the chain, so that torque load is adjusted; when the third motor fails, the second motor is started, the motor shaft of the second motor rotates ninety degrees twice continuously, the motor shaft of the second motor rotates one hundred eighty degrees altogether, the third motor and the fourth motor rotate, a driving block on the third motor moves out of a linkage groove on one side of the linkage shaft, a driving block on the fourth motor is inserted into a linkage groove on the other side of the linkage shaft, and the fourth motor is started again, so that the driving shaft can rotate continuously, torque load can be adjusted continuously, and the problem that torque load cannot be adjusted continuously when the third motor fails is avoided.

Optionally, be connected with the rotational speed sensor that is used for detecting the drive shaft rotational speed in the box, rotational speed sensor and PLC controller electric connection, second motor and PLC controller electric connection.

Through adopting above-mentioned technical scheme, when the third motor breaks down, when the drive shaft can't continue to rotate, the signal of telecommunication feedback that rotation speed sensor will detect gives the PLC controller, and the motor shaft rotation of second motor can be controlled immediately to the PLC controller control to change the position between third motor and the fourth motor, so that the fourth motor can continue to drive the drive shaft and rotate, whole process is quick, convenient, and can discover the third motor trouble very first time, brings the convenience for the user.

Optionally, be connected with the guide bar on the transmission shaft, be connected with the guide block on the mounting disc, all be equipped with the guide way on movable friction disc, guide block and the mounting disc, the guide way on the guide block communicates with the guide way on the mounting disc, and the guide bar is located the guide way, and movable friction disc passes through guide way and guide bar sliding fit, and the mounting disc passes through guide way and guide bar sliding fit.

Through adopting above-mentioned technical scheme, at mounting disc and movable friction disc removal in-process, the direction of movement of mounting disc and movable friction disc can be guided to the gib block, has improved the stability of mounting disc and movable disc in the removal in-process.

Optionally, the box includes case main part and is used for sheltering from case main part open-ended case lid, and the case lid can be dismantled with the case main part and be connected, is equipped with the viewing aperture on the case lid and is used for sheltering from the apron of viewing aperture, can dismantle between apron and the case lid and be connected.

Through adopting above-mentioned technical scheme, the staff can dismantle the apron at any time, observes the running condition of structure in the box through the viewing aperture, when the structure goes wrong in the box, can also dismantle the case lid, maintains the structure in the box.

Optionally, the driving piece includes driving tube, adjusting lever, connecting rope and intermediate block, the intermediate block is L type, the length of one end of intermediate block is less than the length of the other end, the driving tube rotates and connects on the case main part and runs through the case main part lateral wall, the one end that the driving tube is located in the case main part is articulated with the kink of intermediate block, the adjusting lever inserts and establishes in the driving tube, the one end of connecting rope is connected with the one end that intermediate block length is shorter, the other end is connected with the center of adjusting lever tip, be equipped with a plurality of V type groove on the drive shaft, the V type groove takes the axle center of drive shaft as the annular array as the center, and the edge coincidence of adjacent V type groove, the longer one end of intermediate block length is equipped with the arc wall, fixedly connected with a V type piece on the arc wall; the adjusting rod is pulled to be far away from the driving shaft in a paying-off way, the connecting rope is straightened, at the moment, one end of the middle block, which is short, abuts against the end part of the driving pipe, and the V-shaped block is inserted into the V-shaped groove; when the adjusting rod is pushed towards the direction close to the driving shaft, the adjusting rod moves out of the driving pipe, the adjusting rod jacks up one end of the middle block with a shorter length, the middle block overturns, and the V-shaped block is separated from the V-shaped groove.

Through adopting above-mentioned technical scheme, when needing to drive the drive shaft rotation, pulling regulation pole, regulation pole is through connecting rope pulling intermediate piece, when connecting rope is stretched tightly and straightened, the less one end of intermediate piece length is contradicted and is driven the pipe tip, and the V type piece inserts V type inslot this moment, rotates the drive pipe, keeps adjusting pole position unchanged, and the drive pipe drives intermediate piece and rotates, and the intermediate piece passes through the cooperation drive shaft rotation in V type piece and V type groove to realize drive shaft pivoted purpose. When the driving shaft does not need to be rotated, the adjusting rod is pushed, the adjusting rod jacks up the middle block, and the V-shaped block is separated from the V-shaped groove, so that the purpose that the driving shaft cannot be driven to rotate is achieved.

Optionally, an indicator is arranged on the side wall of the driving tube at a position corresponding to the middle block, and the indicator is positioned outside the box main body.

Through adopting above-mentioned technical scheme, when rotating the drive pipe, pointer and intermediate piece all rotate along with the drive pipe, just can know the position that intermediate piece is located in the case main part through observing the position of pointer, bring convenience for staff's work.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first motor is started, the worm is driven to rotate, the worm drives the worm wheel to rotate, the mounting plate is applied with force through the driving assembly, the spring is applied to the mounting plate, therefore, the movable friction plate is tightly abutted to the worm wheel, the movable friction plate is matched with the fixed friction plate to be used, the movable friction plate is tightly abutted to one side of the worm wheel, the fixed friction plate is tightly abutted to the other side of the worm wheel, the worm wheel is clamped by the fixed friction plate and the movable friction plate, under the action of friction force, the worm wheel drives the transmission shaft to rotate through the fixed friction plate, the transmission shaft drives the first operation shaft to rotate through the transmission mechanism, the first operation shaft drives the second operation shaft to rotate through the dynamic torque sensor, the whole rotation of the operation shaft is achieved, the torque load received by the operation shaft in the rotation process is monitored in real time by the dynamic torque sensor, the dynamic torque sensor transmits the monitored electric signal to the PLC, the PLC converts the electric signal into a digital signal to be displayed on the display, so that a worker can check the torque load of the operation shaft at any time, and the torque load data are more accurate and can be clearly displayed. Along with the continuous regulation drive assembly of staff, the force that the spring received constantly changes, and movable friction disk is different with fixed friction disk to the tight degree of clamp of worm wheel to realize the regulation to the moment of torsion load, when the moment of torsion load that shows on the display reaches the preset standard, stop the regulation to drive assembly, whole in the adjustment process, the staff can regard the moment of torsion load data that shows on the display as the reference, rather than rely on feeling and naked eye observation, thereby make the accuracy of adjustment moment of torsion higher.

2. In the rotation process of the third gear, the third gear applies force to the mounting disc through the balls, and a gap is reserved between the third gear and the mounting disc, so that friction between the third gear and the mounting disc can be avoided, and the mounting disc can be pushed to move smoothly.

3. The driving block on the third motor is inserted in the linkage groove, the third motor drives the driving block to rotate in a working state, the linkage shaft is driven to rotate through the cooperation of the driving block and the linkage groove, and the driving shaft is driven to rotate through the cooperation of the chain wheel and the chain, so that torque load is adjusted; when the third motor fails, the second motor is started, the motor shaft of the second motor rotates ninety degrees twice continuously, the motor shaft of the second motor rotates one hundred eighty degrees altogether, the third motor and the fourth motor rotate, a driving block on the third motor moves out of a linkage groove on one side of the linkage shaft, a driving block on the fourth motor is inserted into a linkage groove on the other side of the linkage shaft, and the fourth motor is started again, so that the driving shaft can rotate continuously, torque load can be adjusted continuously, and the problem that torque load cannot be adjusted continuously when the third motor fails is avoided.

Drawings

Fig. 1 is a schematic diagram of a drive assembly for embodying a cable management system in embodiment 1.

Fig. 2 is a schematic structural view for embodying the positional relationship between the adjusting mechanism and the tank main body in embodiment 1.

Fig. 3 is a schematic structural view for embodying the positional relationship between the partition plate and the tank main body in embodiment 1.

Fig. 4 is a schematic structural view for embodying a transmission mechanism in embodiment 1.

Fig. 5 is a schematic structural view for embodying the positional relationship between the third gear and the mounting plate in embodiment 1.

Fig. 6 is a schematic structural diagram for embodying the positional relationship between the guide bar and the guide block in embodiment 1.

Fig. 7 is a schematic structural diagram for embodying the positional relationship between the dynamic torque sensor and the first running shaft in embodiment 1.

Fig. 8 is a schematic diagram of a drive assembly for embodying a cable management system in embodiment 2.

Fig. 9 is a schematic structural diagram showing the positional relationship between the linking groove and the linking shaft in embodiment 2.

FIG. 10 is a schematic view showing the structure of the inspection plate and the protective case according to embodiment 2.

Fig. 11 is a schematic structural view for embodying a driving member in embodiment 3.

Fig. 12 is a schematic diagram showing the structure of the intermediate block and the front position relationship of the indicator needle in embodiment 3.

Fig. 13 is a schematic view showing the structure of the V-block inserted into the V-groove in embodiment 3.

Fig. 14 is a schematic view showing a positional relationship between a tension sprocket and a cable frame in accordance with embodiment 5.

Fig. 15 is a schematic structural view for embodying the positional relationship between the second drive sprocket and the cable jacket shaft in embodiment 5.

Fig. 16 is a schematic structural view for embodying the positional relationship between the regulator and the cable tray in embodiment 5.

Fig. 17 is a schematic structural view for embodying the positional relationship between the regulating member and the tension sprocket in embodiment 5.

Fig. 18 is a schematic view showing the structure of a metering device according to embodiment 5.

Reference numerals illustrate:

1. a transmission shaft; 2. a box main body; 3. a case cover; 4. a partition plate; 5. a run chamber; 6. a transmission chamber; 7. a cover plate; 8. a sealing strip; 9. a first operating shaft; 10. a second operating shaft; 11. a first motor; 12. a worm wheel; 13. a worm; 14. a motor protection cover; 15. a first gear; 16. a second gear; 17. a fixed friction plate; 18. a movable friction plate; 19. a spring; 20. a mounting plate; 21. a friction block; 22. positioning holes; 23. positioning columns; 24. a third gear; 25. a fourth gear; 26. a drive handle; 27. an arc-shaped groove; 28. a ball; 29. a drive shaft; 30. a bracket; 37. a dynamic torque sensor; 38. a display; 39. a shielding case; 40. a support plate; 41. a second motor; 42. a rotating plate; 43. a protective shell; 44. an inspection plate; 45. a third motor; 46. a fourth motor; 47. a sprocket; 48. a chain; 49. a driving block; 50. a linkage shaft; 51. a linkage groove; 52. a guide bar; 53. a cross plate; 54. a guide block; 55. an abutting plate; 56. a driving tube; 57. an adjusting rod; 58. a connecting rope; 59. a middle block; 60. an indicator needle; 61. a limiting ring; 62. a V-shaped groove; 63. a V-shaped block; 64. a cable rack; 65. a cable main shaft; 66. a take-up reel; 67. a first drive sprocket; 68. a second drive sprocket; 69. a drive chain; 70. tensioning the chain wheel; 71. an adjusting plate; 72. an adjusting shaft; 73. an adjusting block; 74. an adjusting bolt; 75. a kidney-shaped groove; 76. adjusting the through opening; 77. an encoder; 78. a transmission gear; 79. a follower gear; 80. a mounting frame; 81. a follower shaft; 82. a protective shell; 83. a cable rack; 84. a housing.

Detailed Description

The embodiment of the application discloses a drive assembly for a cable management system.

Example 1

Referring to fig. 1 and 2, a drive assembly for a cable management system includes a housing, a drive shaft 1, an operating shaft, a drive device, a transmission mechanism, an adjustment mechanism, and a monitoring assembly.

Referring to fig. 1, the case includes a case body 2 and a case cover 3 for shielding an opening of the case body 2.

Referring to fig. 1 and 2, a partition plate 4 is connected to the inside of the tank body 2, the partition plate 4 is L-shaped, and the partition plate 4 divides the inside of the tank body 2 into a running chamber 5 and an L-shaped transmission chamber 6. The case lid 3 can be dismantled through the bolt and connect on case main part 2, is equipped with the viewing aperture on the case lid 3 and is used for sheltering from the apron 7 of viewing aperture, and the edge is provided with sealing strip 8 around the viewing aperture, can dismantle through the bolt between apron 7 and the case lid 3 and be connected, and the bolt passes apron 7 and sealing strip 8 in proper order.

Referring to fig. 1, 3 and 4, a drive shaft 1 and a running shaft are rotatably coupled to a box main body 2, the running shaft including a first running shaft 9 and a second running shaft 10.

Referring to fig. 3, the transmission shaft 1 is located in the transmission chamber 6, the first and second operation shafts 10 are located on opposite side walls of the case body 2, the center line of the first operation shaft 9 coincides with the center line of the second operation shaft 10, the first operation shaft 9 is located in the transmission chamber 6, the second operation shaft 10 is located outside the case body 2, one end of the first operation shaft 9 facing the second operation shaft 10 is rotatably connected with the partition plate 4, and opposite ends of the first and second operation shafts 9 and 10 are located in the operation chamber 5.

Referring to fig. 4, the driving apparatus includes a first motor 11, a worm wheel 12, and a worm 13.

Referring to fig. 1 and 4, the first motor 11 is disposed outside the case body 2, the motor protection cover 14 is detachably connected to the outer wall of the case body 2 through screws, the first motor 11 is located in the motor protection cover 14, and a first heat dissipation hole for facilitating heat dissipation of the first motor 11 is formed in the side wall of the motor protection cover 14.

Referring to fig. 4 and 5, a worm 13 is rotatably coupled to the case body 2 and located in the driving chamber 6, one end of the worm 13 is coupled to the first motor 11 through a sidewall of the case body 2, a worm wheel 12 is rotatably coupled to the driving shaft 1, and the worm wheel 12 is engaged with the worm 13.

Referring to fig. 2 and 3, the transmission mechanism is located in the transmission chamber 6, and includes a first gear 15 and a second gear 16, the first gear 15 is disposed on the transmission shaft 1, the second gear 16 is disposed on the first operation shaft 9, the first gear 15 is engaged with the second gear 16, and the size of the first gear 15 is smaller than that of the second gear 16.

Referring to fig. 5, the adjustment mechanism includes a fixed friction plate 17, a movable friction plate 18, a spring 19, a mounting plate 20, and a drive assembly.

Referring to fig. 3 and 5, two opposite side walls of the worm wheel 12 are connected with friction blocks 21, the friction blocks 21 and the worm wheel 12 are integrally formed, a fixed friction disc 17 is fixedly connected to the transmission shaft 1, the fixed friction disc 17 is located between the worm wheel 12 and the first gear 15, and the fixed friction disc 17 abuts against the friction blocks 21 on one side of the worm wheel 12 close to the first gear 15.

Referring to fig. 3, 5 and 6, the movable friction disk 18 is movably sleeved on the transmission shaft 1, the movable friction disk 18 is located on one side of the worm wheel 12 away from the fixed friction disk 17, and the movable friction disk 18 abuts against a friction block 21 on one side of the worm wheel 12 away from the fixed friction disk 17. The installation plate 20 is movably sleeved on the transmission shaft 1, the installation plate 20 is connected with the movable friction plates 18 through springs 19, the springs 19 are arranged in a plurality, the springs 19 are in an annular array with the central line of the transmission shaft 1 as the center, the movable friction plates 18 are provided with positioning holes 22, the installation plate 20 is connected with positioning columns, one ends of the springs 19 are clamped on the positioning columns, and the other ends of the springs 19 are inserted in the positioning holes 22. The transmission shaft 1 is connected with a guide strip 52, the installation plate 20 is connected with a guide block 54, the movable friction plate 18, the guide block 54 and the installation plate 20 are all provided with guide grooves, the guide grooves on the guide block 54 are communicated with the guide grooves on the installation plate 20, the guide strip 52 is positioned in the guide grooves, the movable friction plate 18 is in sliding fit with the guide strip 52 through the guide grooves, the installation plate 20 is in sliding fit with the guide strip 52 through the guide grooves, and the guide strip 52 can guide the moving directions of the movable friction plate 18 and the installation plate 20.

Referring to fig. 1 and 2, the drive assembly includes a third gear 24, a fourth gear 25, and a drive member including a drive handle 26.

Referring to fig. 3 and 5, the third gear 24 is screwed on the transmission shaft 1, the third gear 24 is located at one side of the mounting plate 20 far away from the spring 19, arc grooves 27 are formed in opposite side walls of the third gear 24 and the mounting plate 20, a center line of the arc grooves 27 on the third gear 24 coincides with a center line of the arc grooves 27 on the mounting plate 20, a ball 28 is arranged between the third gear 24 and the mounting plate 20, the ball 28 is located in the arc grooves 27, and a gap is reserved between the third gear 24 and the mounting plate 20, so that friction between the third gear 24 and the mounting plate 20 is avoided when the third gear 24 rotates.

Referring to fig. 2, a driving shaft 29 is disposed in the transmission chamber 6, a bracket 30 is connected to the box body 2, one end of the driving shaft 29 is rotatably connected to the bracket 30, the other end is rotatably connected to a side wall of the box body 2 and penetrates through the side wall of the box body 2, the driving shaft 29 is made of iron, a fourth gear 25 is disposed on the driving shaft 29, a third gear 24 is meshed with the fourth gear 25, the thickness of the fourth gear 25 is greater than that of the third gear 24, the size of the fourth gear 25 is smaller than that of the third gear 24, and a driving handle 26 is connected to the driving shaft 29.

Referring to fig. 1 and 7, the monitoring assembly includes a dynamic torque sensor 37, a PLC controller (not shown) and a display 38.

Referring to fig. 1, 3 and 7, the dynamic torque sensor 37 is located in the operation chamber 5, the operation chamber 5 is connected with a cross plate 53, one end of the cross plate 53 is connected with the partition plate 4, the other end is connected with the box main body 2, the dynamic torque sensor 37 is arranged on the cross plate 53, one end of the dynamic torque sensor 37 is connected with the first operation shaft 9, the other end is connected with the second operation shaft 10, the display 38 is arranged on the box cover 3, the dynamic torque sensor 37 is electrically connected with the PLC controller, and the PLC controller is electrically connected with the display 38. A shielding shell 39 for shielding the dynamic torque sensor 37 is connected in the box main body 2, and a second heat radiation hole is formed in the shielding shell 39.

The implementation principle of embodiment 1 of the present application is: the first motor 11 is started, the first motor 11 drives the worm 13 to rotate, the worm 13 drives the worm wheel 12 to rotate, the driving handle 26 is rotated, the driving handle 26 drives the driving shaft 29 to rotate, the driving shaft 29 drives the fourth gear 25 to rotate, the fourth gear 25 drives the third gear 24 to rotate, the relative position between the third gear 24 and the transmission shaft 1 changes due to the threaded connection between the third gear 24 and the transmission shaft 1 in the rotation process of the third gear 24, the third gear 24 applies force to the mounting disc 20 in the rotation process, the mounting disc 20 applies force to the spring 19, and therefore the movable friction disc 18 abuts against the worm wheel 12 tightly.

The movable friction disk 18 is matched with the fixed friction disk 17, the movable friction disk 18 is tightly abutted against the friction block 21 on one side of the worm wheel 12, the fixed friction disk 17 is tightly abutted against the friction block 21 on the other side of the worm wheel 12, the worm wheel 12 is tightly clamped by the fixed friction disk 17 and the movable friction disk 18, under the action of friction force, the worm wheel 12 drives the transmission shaft 1 to rotate through the fixed friction disk 17, so that the first gear 15 rotates, the transmission shaft 1 drives the first operation shaft 9 to rotate through the matching of the first gear 15 and the second gear 16, the first operation shaft 9 drives the second operation shaft 10 to rotate through the dynamic torque sensor 37, the whole rotation of the operation shaft is realized, and the torque load born by the operation shaft in the rotation process is monitored in real time through the dynamic torque sensor 37.

The dynamic torque sensor 37 transmits the monitored electrical signal to the PLC controller, which converts the electrical signal to a digital signal for display on the display 38 so that a worker can view the torque load of the operating shaft at any time. The torque load data is more accurate.

As the operator rotates the drive handle 26 continuously, the force applied by the spring 19 changes continuously, the movable friction disk 18 and the fixed friction disk 17 clamp the worm wheel 12 differently, thereby adjusting the torque load, and when the torque load displayed on the display 38 reaches a preset level, the rotation of the drive handle 26 is stopped.

When the torque load born by the running shaft exceeds a preset standard, sliding friction is generated between the worm wheel 12 and the fixed friction disk 17 and between the worm wheel 12 and the movable friction disk 18, and the worm 13 still drives the worm wheel 12 to rotate at the moment, but the worm wheel 12 does not drive the transmission shaft 1 to rotate, so that the purpose of constantly outputting torque is achieved, and the first motor 11 is prevented from being damaged.

Example 2

Referring to fig. 8 and 9, there is a difference from embodiment 1 in that a rotating device including a support plate 40, a second motor 41 and a rotating plate 42 is further included, the support plate 40 is provided on the case main body 2, the second motor 41 is provided on the support plate 40, and the rotating plate 42 is connected to a motor shaft of the second motor 41.

Referring to fig. 8, the driving member includes a third motor 45, a fourth motor 46, a sprocket 47, and a chain 48.

Referring to fig. 8 and 9, a coupling shaft 50 is rotatably connected to the outer wall of the case body 2, one end of the driving shaft 29 connected to the case body 2 penetrates the side wall of the case body 2, a sprocket 47 is provided on the driving shaft 29 and the coupling shaft 50, and a chain 48 is sleeved on the sprocket 47. The third motor 45 and the fourth motor 46 are arranged on the rotating plate 42, the axis of the motor shaft of the third motor 45, the axis of the motor shaft of the fourth motor 46 and the axis of the linkage shaft 50 are overlapped, the axis of the motor shaft of the second motor 41 and the axis of the linkage shaft 50 are intersected and perpendicular to each other, the motor shaft of the third motor 45 and the motor shaft of the fourth motor 46 are symmetrically arranged by taking the motor shaft of the second motor 41 as a center, the motor shafts of the third motor 45 and the motor shaft of the fourth motor 46 face opposite directions, the motor shafts of the third motor 45 and the motor shaft of the fourth motor 46 are connected with driving blocks 49, the driving blocks 49 on the third motor 45 and the driving blocks 49 on the fourth motor 46 are positioned on the same side of the center line of the linkage shaft 50, linkage grooves 51 are formed in opposite sides on the linkage shaft 50, and the driving blocks 49 on the third motor 45 or the driving blocks 49 on the fourth motor 46 are inserted into the linkage grooves 51. A rotation speed sensor (not shown) for detecting the rotation speed of the driving shaft 29 is connected to the inside of the box body 2, and is electrically connected to the PLC controller, and the second motor 41 is electrically connected to the PLC controller.

Referring to fig. 10, a shield case 43 for shielding and protecting a rotating device and a driving member is connected to a case main body 2, an abutting plate 55 is connected to the case main body 2, the abutting plate 55 is flush with a side wall of the case main body 2, the shield case 43 is detachably connected to the abutting plate 55 through a screw, the shield case 43 is detachably connected to the case main body 2 through a screw, the rotating device and the driving member are located in the shield case 43, an inspection opening and an inspection plate 44 for shielding the inspection opening are arranged on the side wall of the shield case 43, the inspection plate 44 is detachably connected to the shield case 43 through a bolt, and third heat dissipation holes are formed in the inspection plate 44 and the shield case 43.

The implementation principle of embodiment 2 of the present application is: taking the example that the driving block 49 on the third motor 45 is inserted in the linkage groove 51, the third motor 45 drives the driving block 49 to rotate in the working state, the linkage shaft 50 is driven to rotate by the cooperation of the driving block 49 and the linkage groove 51, and the linkage shaft 50 drives the driving shaft 29 to rotate by the cooperation of the chain wheel 47 and the chain 48, so that the purpose of rotating the driving shaft 29 is realized, and the torque load is adjusted. After the torque load adjustment is completed, the second motor 41 is started, and the second motor 41 drives the rotating plate 42 to rotate ninety degrees, so that the driving block 49 is separated from the linkage groove 51.

In the rotation process of the driving shaft 29, the rotation speed sensor can detect the rotation speed of the driving shaft 29, the rotation speed sensor transmits an electric signal to the PLC controller, when the third motor 45 fails, the rotation speed sensor feeds back the detected electric signal to the PLC controller, the PLC controller controls the motor shaft of the second motor 41 to rotate, the motor shaft of the second motor 41 continuously rotates for ninety degrees, the motor shaft of the second motor 41 rotates for one hundred eighty degrees, the third motor 45 and the fourth motor 46 rotate, the driving block 49 on the third motor 45 moves out of the linkage groove 51 on one side of the linkage shaft 50, the driving block 49 on the fourth motor 46 is inserted into the linkage groove 51 on the other side of the linkage shaft 50, then the fourth motor 46 is started, and the fourth motor 46 continuously drives the linkage shaft 50 to rotate through the cooperation of the driving block 49 and the linkage groove 51, so that the driving shaft 29 can continuously rotate, the torque load can be continuously adjusted, and the problem that the torque load cannot be continuously adjusted when the third motor 45 fails is avoided.

Example 3

Referring to fig. 11, unlike embodiment 1, one end of the driving shaft 29 remote from the bracket 30 is located in the case main body 2, and the driving member includes a driving tube 56, an adjusting rod 57, a connection rope 58, and an intermediate block 59, the intermediate block 59 being L-shaped, one end of the intermediate block 59 having a length smaller than that of the other end.

Referring to fig. 11 and 12, the driving tube 56 is rotatably connected to the case main body 2 and penetrates through the side wall of the case main body 2, one end of the driving tube 56 located in the case main body 2 is hinged to the bent part of the intermediate block 59, an indicating needle 60 is arranged on the side wall of the driving tube 56 and corresponds to the position of the intermediate block 59, the indicating needle 60 is located outside the case main body 2, when the driving tube 56 is rotated, the indicating needle 60 and the intermediate block 59 synchronously rotate, the position of the intermediate block 59 inside the case main body 2 can be known by observing the indicating needle 60 outside the case main body 2, one end, close to the intermediate block 59, of the driving tube 56 is also connected with a limiting ring 61, and the limiting ring 61 can limit the intermediate block 59 to avoid excessive overturning of the intermediate block 59.

Referring to fig. 11, 12 and 13, an adjusting rod 57 is inserted into a driving tube 56, one end of a connecting rope 58 is connected with one end of a middle block 59, the length of the middle block is shorter, the other end of the connecting rope is connected with the center of the end of the adjusting rod 57, one end, far away from a bracket 30, of a driving shaft 29 is provided with a plurality of V-shaped grooves 62, the V-shaped grooves 62 are in an annular array with the axis of the driving shaft 29 as the center, the edges of adjacent V-shaped grooves 62 are overlapped, one end, with the longer length, of the middle block 59 is provided with an arc-shaped groove, and the side wall of the arc-shaped groove is fixedly connected with a V-shaped block 63; pulling the adjusting rod 57 away from the driving shaft 29, the connecting rope 58 is straightened, at this time, the end of the middle block 59 with a shorter length abuts against the end of the driving tube 56, and the V-shaped block 63 is inserted into the V-shaped groove 62; when the adjusting lever 57 is pushed in the direction approaching the driving shaft 29, the adjusting lever 57 is moved out of the driving tube 56, the adjusting lever 57 lifts up the end of the intermediate block 59 with the shorter length, the intermediate block 59 is turned over, and the V-shaped block 63 is separated from the V-shaped groove 62.

The implementation principle of embodiment 3 of the present application is: when the driving shaft 29 is required to be driven to rotate, the adjusting rod 57 is pulled, the adjusting rod 57 moves towards the direction away from the driving shaft 29, the adjusting rod 57 pulls the middle block 59 through the connecting rope 58, when the connecting rope 58 is stretched and straightened, one end of the middle block 59 with smaller length is abutted against the end part of the driving tube 56, the V-shaped block 63 is inserted into the V-shaped groove 62, the driving tube 56 is rotated, the position of the adjusting rod 57 is kept unchanged (or the adjusting rod 57 and the driving tube 56 are enabled to synchronously rotate), the driving tube 56 drives the middle block 59 to rotate, and the middle block 59 drives the driving shaft 29 to rotate through the cooperation of the V-shaped block 63 and the V-shaped groove 62, so that the purpose of driving the driving shaft 29 to rotate is achieved.

When the driving shaft 29 is not required to be driven, the adjusting rod 57 is pushed towards the direction approaching the driving shaft 29, when the adjusting rod 57 is moved out of the driving pipe 56, the middle block 59 is jacked up by the part of the adjusting rod 57 moved in the driving rod, the middle block 59 is overturned, the V-shaped block 63 is separated from the V-shaped groove 62, the driving shaft 29 is separated from the middle block 59, and the driving shaft 29 and the driving pipe 56 are not connected.

Example 4

Unlike embodiment 3, the V-shaped block 63 is a magnet block, and when the V-shaped block 63 is inserted into the V-shaped groove 62, the V-shaped block 63 is attracted by the V-shaped groove 62, so that the connection between the intermediate block 59 and the driving shaft 29 is more firm, and the driving process is smoother.

Example 5

The difference from embodiment 1 is that, referring to fig. 14 and 15, a cable winding and unwinding device is further included, which includes a cable mount 83, a cable main shaft 65, a take-up reel 66, a first drive sprocket 67, a second drive sprocket 68, and a drive chain 69, and a metering device.

Referring to fig. 14, 15 and 16, the cable main shaft 65 is rotatably connected to the cable frame 83, the take-up reel 66 is provided on the cable main shaft 65 for winding and unwinding the cable, the first driving sprocket 67 is provided on the first operation shaft 9, one end of the first operation shaft 9 connected to the first driving sprocket 67 can be set as required, the second driving sprocket 68 is provided on the cable main shaft 65, and the driving chain 69 is sleeved on the first driving sprocket 67 and the second driving sprocket 68. A housing 84 is connected to the cable holder 83, and the housing 84 houses the second drive sprocket 68.

Referring to fig. 15, 16 and 17, the cable frame 83 is connected with the tensioning sprocket 70 through an adjusting member, the adjusting member comprises an adjusting plate 71, an adjusting shaft 72, an adjusting block 73 and an adjusting bolt 74, the adjusting plate 71 is connected to the cable frame 83, a kidney-shaped groove 75 is formed in the adjusting plate 71, an adjusting through hole 76 is formed in the cable frame 83, the adjusting through hole 76 is communicated with the kidney-shaped groove 75, the width of the adjusting through hole 76 is larger than that of the kidney-shaped groove 75, the tensioning sprocket 70 is rotatably connected to the adjusting shaft 72, the adjusting block 73 is slidably connected to the adjusting through hole 76, the adjusting bolt 74 sequentially penetrates through the adjusting block 73 and the kidney-shaped groove 75 and is in threaded connection to the adjusting shaft 72, the adjusting shaft 72 is matched with the adjusting bolt 74, the adjusting shaft 72 abuts against one side of the adjusting plate 71, the adjusting block 73 abuts against the other side of the adjusting plate 71, the adjusting bolt 74 abuts against the adjusting block 73, and the tensioning sprocket 70 is located outside the transmission chain 69 and is meshed with the transmission chain 69.

Referring to fig. 16 and 18, the metering device includes a counter (not shown), an encoder 77, a transmission gear 78 and a follower gear 79, the transmission gear 78 is connected to the cable main shaft 65, the follower gear 79 is provided in two, a mounting frame 80 is connected to the cable frame 83, a follower shaft 81 is rotatably connected to the mounting frame 80, the follower gear 79 is connected to the follower shaft 81, the follower gear 79 is meshed with the transmission gear 78, the follower gear 79 is located at both sides of the transmission gear 78, the encoder 77 is connected to one follower shaft 81, and the encoder 77 is electrically connected to the counter. The cable rack 83 is provided with a protective housing 82 for protecting the metering device, and the encoder 77, the transmission gear 78 and the follower gear 79 are all located in the protective housing 82.

The implementation principle of embodiment 5 of the present application is: the first operation shaft 9 drives the first driving sprocket 67 to rotate, the first driving sprocket 67 drives the second driving sprocket 68 to rotate through the driving chain 69, so that the cable main shaft 65 is driven to rotate, the cable main shaft 65 drives the driven gear to rotate, the driven gear 79 and the driven shaft 81 are driven to rotate by the gear, the encoder 77 detects signals, the signals are transmitted to the counter, the rotation number of turns of the driven shaft 81 can be known through the counter display screen, the rotation count of the cable main shaft 65 can be obtained through proportional calculation and exchange between the driven gear and the driven gear 79, and then the number of turns of a winding and unwinding cable is known.

During the rotation of the transmission chain 69, the tensioning chain wheel 70 is matched with rotation, so that the transmission chain 69 is tensioned, and the problem that the transmission purpose cannot be achieved due to excessive looseness of the transmission chain 69 is avoided.

The position of tensioning sprocket 70 can be adjusted according to the demand, during the regulation, rotate adjusting bolt 74, adjusting bolt 74 no longer tightly supports adjusting block 73, adjusting block 73 and regulating shaft 72 no longer tightly support the both sides of regulating plate 71, remove adjusting block 73, adjusting block 73 drives adjusting shaft 72 and tensioning sprocket 70 through adjusting bolt 74 and remove, thereby change the position of tensioning sprocket 70, in order to better tensioning drive chain 69, adjust tensioning sprocket 70 to suitable position, screw up adjusting bolt 74 again, adjusting bolt 74's bolt cap tightly supports adjusting block 73, adjusting block 73 and adjusting shaft 72 tightly support the both sides at adjusting plate 71, thereby fix tensioning sprocket 70's position, the user can also select whether to overlap on adjusting bolt 74 and establish the gasket, make the gasket be located between adjusting block 73 and the adjusting bolt 74 bolt cap, in this embodiment, the cover is equipped with the gasket on the adjusting bolt 74, the gasket is located between adjusting block 73 and the adjusting bolt 74 cap, adjusting bolt 74 cap is tightly supported through the gasket.

Claims (5)

1. A drive assembly for a cable management system, characterized by: comprises a box body, a transmission shaft (1), an operation shaft, a driving device, a transmission mechanism for linking a driving shaft (29) with the operation shaft, an adjusting mechanism and a monitoring assembly;

the transmission shaft (1) and the operation shaft are both rotationally connected in the box body, the operation shaft comprises a first operation shaft (9) and a second operation shaft (10), and the transmission shaft (1) is connected with the first operation shaft (9) through a transmission mechanism;

the driving device comprises a first motor (11), a worm wheel (12) and a worm (13); the first motor (11) is arranged on the box body, the worm (13) is rotationally connected to the box body, one end of the worm (13) is connected with the first motor (11), the worm wheel (12) is rotationally connected to the transmission shaft (1), and the worm wheel (12) is meshed with the worm (13);

the adjusting mechanism comprises a fixed friction disc (17), a movable friction disc (18), a spring (19), a mounting disc (20) and a driving assembly for driving the mounting disc (20) to move; the fixed friction disc (17) is fixedly connected to the transmission shaft (1), the fixed friction disc (17) is located on one side of the worm wheel (12) and is in contact with the worm wheel (12), the movable friction disc (18) is movably sleeved on the transmission shaft (1), the movable friction disc (18) is located on one side, far away from the fixed friction disc (17), of the worm wheel (12), the movable friction disc (18) is in contact with the worm wheel (12), the mounting disc (20) is movably sleeved on the transmission shaft (1), the mounting disc (20) is connected with the movable friction disc (18) through a spring (19), the driving assembly is arranged on the box body, and the output end of the driving assembly acts on the mounting disc (20);

the monitoring assembly comprises a dynamic torque sensor (37), a PLC controller and a display (38); one end of a dynamic torque sensor (37) is connected with the first operation shaft (9), the other end of the dynamic torque sensor is connected with the second operation shaft (10), a display (38) is arranged on the box body, the dynamic torque sensor (37) is electrically connected with a PLC (programmable logic controller), and the PLC is electrically connected with the display (38);

the driving assembly comprises a third gear (24), a fourth gear (25) and a driving piece, wherein the third gear (24) is in threaded connection with the transmission shaft (1), the third gear (24) is positioned on one side of the mounting disc (20) far away from the spring (19), the box body is rotationally connected with a driving shaft (29), the fourth gear (25) is arranged on the driving shaft (29), the third gear (24) is meshed with the fourth gear (25), the thickness of the fourth gear (25) is larger than that of the third gear (24), and the driving piece is connected with the driving shaft (29);

arc grooves (27) are formed in the opposite side walls of the third gear (24) and the mounting plate (20), the center line of the arc grooves (27) in the third gear (24) coincides with the center line of the arc grooves (27) in the mounting plate (20), balls (28) are arranged between the third gear (24) and the mounting plate (20), the balls (28) are located in the arc grooves (27), and a gap is reserved between the third gear (24) and the mounting plate (20); the driving piece comprises a third motor (45), a fourth motor (46), a chain wheel (47), a chain (48) and a rotating device, wherein the rotating device comprises a second motor (41) and a rotating plate (42), the second motor (41) is arranged on a box body, the rotating plate (42) is connected to a motor shaft of the second motor (41), a linkage shaft (50) is rotationally connected to the box body, a driving shaft (29) penetrates through the side wall of the box body, the chain wheel (47) is arranged on the driving shaft (29) and the linkage shaft (50), and the chain (48) is sleeved on the chain wheel (47); the third motor (45) and the fourth motor (46) are arranged on the rotating plate (42), the axis of the motor shaft of the third motor (45), the axis of the motor shaft of the fourth motor (46) and the axis of the linkage shaft (50) are overlapped, the axis of the motor shaft of the second motor (41) is intersected with the axis of the linkage shaft (50) and is mutually perpendicular, the motor shafts of the third motor (45) and the fourth motor (46) are symmetrically arranged by taking the motor shaft of the second motor (41) as the center, the motor shafts of the third motor (45) and the motor shaft of the fourth motor (46) face opposite directions, the motor shafts of the third motor (45) and the motor shaft of the fourth motor (46) are connected with driving blocks (49), the driving blocks (49) on the third motor (45) and the driving blocks (49) on the fourth motor (46) are positioned on the same side of the center line of the linkage shaft (50), grooves (51) are formed in opposite sides of the linkage shaft (50), and the driving blocks (49) on the third motor (45) or the driving blocks (49) on the fourth motor (46) are inserted into the linkage grooves (51);

or the driving piece comprises a driving pipe (56), an adjusting rod (57), a connecting rope (58) and a middle block (59), wherein the middle block (59) is L-shaped, one end of the middle block (59) is smaller than the other end, the driving pipe (56) is rotatably connected to the box main body (2) and penetrates through the side wall of the box main body (2), one end of the driving pipe (56) positioned in the box main body (2) is hinged with the bending part of the middle block (59), the adjusting rod (57) is inserted into the driving pipe (56), one end of the connecting rope (58) is connected with one end of the middle block (59) with shorter length, the other end is connected with the center of the end of the adjusting rod (57), a plurality of V-shaped grooves (62) are formed in the driving shaft (29) in an annular array by taking the center of the driving shaft (29) as the center, the edges of the adjacent V-shaped grooves (62) are overlapped, one end of the longer middle block (59) is provided with an arc-shaped groove, and one V-shaped block (63) is fixedly connected to the side wall of the arc-shaped groove; pulling the adjusting rod (57) towards the paying-off direction far away from the driving shaft (29), and straightening the connecting rope (58), wherein one end of the middle block (59) with a shorter length is abutted against the end part of the driving tube (56), and the V-shaped block (63) is inserted into the V-shaped groove (62); when the adjusting rod (57) is pushed towards the direction close to the driving shaft (29), the adjusting rod (57) moves out of the driving pipe (56), the adjusting rod (57) jacks up one end of the middle block (59) with a shorter length, the middle block (59) turns over, and the V-shaped block (63) is separated from the V-shaped groove (62).

2. A drive assembly for a cable management system as defined in claim 1, wherein: the box body is internally connected with a rotating speed sensor for detecting the rotating speed of the driving shaft (29), the rotating speed sensor is electrically connected with the PLC, and the second motor (41) is electrically connected with the PLC.

3. A drive assembly for a cable management system as defined in claim 1, wherein: the transmission shaft (1) is connected with a guide strip (52), the installation plate (20) is connected with a guide block (54), guide grooves are formed in the movable friction plate (18), the guide block (54) and the installation plate (20), the guide grooves in the guide block (54) are communicated with the guide grooves in the installation plate (20), the guide strip (52) is located in the guide grooves, the movable friction plate (18) is in sliding fit with the guide strip (52) through the guide grooves, and the installation plate (20) is in sliding fit with the guide strip (52) through the guide grooves.

4. A drive assembly for a cable management system as defined in claim 1, wherein: the box comprises a box main body (2) and a box cover (3) for shielding an opening of the box main body (2), wherein the box cover (3) is detachably connected with the box main body (2), an observation opening and a cover plate (7) for shielding the observation opening are arranged on the box cover (3), and the cover plate (7) is detachably connected with the box cover (3).

5. A drive assembly for a cable management system as defined in claim 1, wherein: an indicating needle (60) is arranged on the side wall of the driving tube (56) at a position corresponding to the middle block (59), and the indicating needle (60) is positioned outside the box main body (2).

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