CN210103347U - Electric capstan - Google Patents
Electric capstan Download PDFInfo
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- CN210103347U CN210103347U CN201920614550.0U CN201920614550U CN210103347U CN 210103347 U CN210103347 U CN 210103347U CN 201920614550 U CN201920614550 U CN 201920614550U CN 210103347 U CN210103347 U CN 210103347U
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- shaft sleeve
- gear shaft
- capstan
- damping
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Abstract
The utility model discloses an electric capstan belongs to the technical field of capstan winch, aims at providing a long service life, strong reliability's electric capstan, and its technical scheme main points are including the U-shaped frame, be equipped with the capstan wheel on the U-shaped frame, the capstan winch includes the capstan axle of being connected with the U-shaped frame rotation, is equipped with two baffles on the capstan axle, capstan axle one end is stretched out the U-shaped frame and is by motor drive, be equipped with the worm gear case between motor and the capstan axle, still be equipped with the clutch between worm gear case and the capstan axle, the clutch is including setting firmly the clutch housing at U-shaped frame lateral wall, the internal rotation of clutch housing be equipped with the driving cog axle sleeve and with driving cog axle sleeve complex clutch cog axle sleeve, be equipped with the connecting key that inserts the keyway on the worm gear case output shaft. Through the arrangement of the transmission gear shaft sleeve and the clutch gear shaft sleeve in a clamping mode, the effects of prolonging the service life of the clutch and enhancing the working reliability of the clutch can be achieved.
Description
Technical Field
The utility model relates to a technical field of capstan winch, in particular to electric capstan winch.
Background
The clutch is similar to a switch, and the power transmission action is engaged or disengaged, the driving part and the driven part of the clutch mechanism can be temporarily separated and can be gradually engaged, and relative rotation is possible in the transmission process.
As shown in fig. 1 and 2, most clutches are implemented by a friction clamping manner, for example, an existing electric capstan clutch includes a support 200, a power shaft 206 is rotatably erected on the support 200, one end of the power shaft 206 is driven by a driving motor 201, the driving motor 201 is fixedly disposed on the support 200, the power shaft 206 is rotatably sleeved with a capstan 202, the power shaft 206 is sleeved with two friction plates 203, the two friction plates 203 are respectively disposed on two sides of the capstan 202, a brake disc 204 is disposed between the friction plate 203 facing one side of the driving motor 201 and the support 200, the brake disc 204 is fixedly connected to the power shaft 206, a clutch 300 is disposed between the friction plate 203 facing one side of the driving motor 201 and the support 200, the clutch 300 is in threaded connection with the support 200, a clamping block 205 engaged with the clutch 300 is disposed on the support 200, and a wedge groove is disposed on the clamping block.
The clutch 300 comprises a clutch disc body 100 and a pin 303 arranged along the radial direction of the clutch disc body 100, wherein an annular cavity 102 arranged around the center of the clutch disc body 100 is arranged on the clutch disc body 100, an inner ring 103 and an outer ring 104 are respectively arranged on the inner side and the outer side of the annular cavity 102, an internal thread through hole 101 is formed in the center of the clutch disc body 100, a counter bore 301 for placing the pin 303 is radially arranged on the inner ring 103, a through hole 302 is formed in the position, corresponding to the counter bore 301, on the outer ring 104, the bottom end of the pin 303 is inserted into the counter bore 301 and can extend and retract in the counter bore 301, the top end of the pin 303 penetrates through the through hole 302, a reset spring 305 is sleeved on the pin 303, the reset spring 305 is.
When the electric winch is anchored, the driving motor 201 drives the power shaft 206 to rotate, the power shaft 206 drives the clutch 300 to rotate, and when the pin 303 on the clutch 300 collides with a stop block, a speed difference is generated between the speed of the clutch 300 and the speed of the power shaft 206, so that the clutch 300 moves on the power shaft 206 in the direction towards the winch 202 until the clutch 300 drives the friction plates 203 to press the winch 202, so that the friction plates 203 on two sides of the winch 202 press the winch 202 together, and the brake disc 204 and the clutch 300 are driven to rotate together to achieve anchoring.
At present, most clutches 300 adopt the above mode, the clutch 300 is abutted against the friction plate 203, and the two friction plates 203 are abutted against the winch 202, but in the long-term use process, the surface of the friction plate 203 is abraded until the surface of the friction plate 203 is abraded, so that the friction plate 203 loses the function, the clutch 300 loses the function, and the service life of the friction plate 203 is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric capstan has long service life's advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an electric capstan comprises a U-shaped frame, wherein a capstan wheel is arranged on the U-shaped frame, the capstan comprises a capstan shaft which is rotationally connected with the U-shaped frame, two baffles are arranged on the capstan shaft, one end of the capstan shaft extends out of the U-shaped frame and is driven by a motor, a worm gear box is arranged between the motor and the capstan shaft, a clutch is also arranged between the worm gear box and the capstan shaft, the clutch comprises a clutch shell which is fixedly arranged on the outer side wall of the U-shaped frame, a transmission gear shaft sleeve and a clutch gear shaft sleeve which is matched with the transmission gear shaft sleeve are rotationally arranged in the clutch shell, the transmission gear shaft sleeve is fixedly connected with the capstan shaft, the inner wall of the clutch gear shaft sleeve is provided with a key groove which is axially arranged, and a connecting key which is inserted into the key groove is arranged on the,
the side of the clutch gear shaft sleeve facing the transmission gear shaft sleeve is provided with at least one first latch, the side of the transmission gear shaft sleeve facing the clutch gear shaft sleeve is provided with a second slot matched with the first latch,
an annular clamping limiting groove is arranged at one end, close to the transmission gear shaft sleeve, of the clutch gear shaft sleeve, an annular separation limiting groove is arranged at one end, far away from the transmission gear shaft sleeve, of the clutch gear shaft sleeve, the clamping limiting groove and the separation limiting groove are coaxially arranged with the clutch gear shaft sleeve, a one-way spiral groove is further arranged on the clutch gear shaft sleeve, one end of the one-way spiral groove is communicated with the clamping limiting groove, and the other end of the one-way spiral groove is communicated with the separation limiting groove,
the clutch further comprises a clutch driving assembly fixed in position, the clutch driving assembly is arranged in a shaft shape, and one end of the clutch driving assembly penetrates through the clutch shell to be inserted into the one-way spiral groove.
Through adopting above-mentioned technical scheme, during the use, the motor passes through worm gear case drive separation and reunion tooth axle sleeve and rotates, thereby separation and reunion drive assembly inserts in the one-way helicla flute thereby drive separation and reunion tooth axle sleeve and advance along separation and reunion tooth axle sleeve axis and make separation and reunion tooth axle sleeve and drive tooth axle sleeve card be in the same place, like this alright drive transmission tooth axle sleeve rotates, and the transmission tooth axle sleeve drives the capstan shaft and rotates. Because the clutch gear shaft sleeve and the transmission gear shaft sleeve adopt a clamping mode, the transmission is realized by plane contact, and the abrasion is extremely small. The service life of the clutch is greatly prolonged, and the electric winch is more reliable in working.
Furthermore, at least three second clamping teeth are arranged on the side face, facing the clutch gear shaft sleeve, of the transmission gear shaft sleeve, each second clamping tooth is arranged around the axis of the transmission gear shaft sleeve, and a second clamping groove is formed between every two adjacent second clamping teeth;
the side of separation and reunion tooth axle sleeve towards driving gear axle groove is equipped with at least three first latch, and each first latch encircles separation and reunion tooth axle sleeve axis and sets up, is equipped with first draw-in groove between two adjacent first latches.
Through adopting above-mentioned technical scheme, adopt a plurality of latches and draw-in groove cooperation for separation and reunion tooth axle sleeve is more stable with driving gear shaft liner connection, and job stabilization nature is also higher.
Furthermore, the opposite side surfaces of the first clamping teeth and the second clamping teeth are provided with slope surfaces, the slope surfaces of the first clamping teeth are arranged from high to low along the rotation direction of the clutch gear shaft sleeve when the clutch gear shaft sleeve is clamped with the transmission gear shaft sleeve, and the slope surfaces of the second clamping teeth are arranged along the opposite direction of the slope surfaces of the first clamping teeth.
Through adopting above-mentioned technical scheme, owing to set the slope to the surface with first latch and second latch, when the driving gear axle sleeve rotated with separation and reunion tooth axle sleeve and breaks away from like this for the driving gear axle sleeve breaks away from with separation and reunion tooth axle sleeve along the slope rotation, breaks away from more reliably fast.
Furthermore, the clutch housing is internally and fixedly provided with a lead ring, the clutch gear shaft sleeve is positioned in the lead ring, the outer wall of the clutch gear shaft sleeve is attached to the inner wall of the lead ring, a driving hole pointing to the axis of the clutch gear shaft sleeve is formed in the lead ring, and the clutch driving assembly penetrates through the driving hole and is clamped into the one-way spiral groove.
Through adopting above-mentioned technical scheme, the lead ring has direction and supporting role to the front and back displacement of separation and reunion tooth axle sleeve on the one hand, and on the other hand also has supporting role to separation and reunion drive assembly for separation and reunion drive assembly during operation is more stable.
Furthermore, be equipped with first bearing frame in the clutch housing, be equipped with first locating bearing in the first bearing frame, the driving gear axle sleeve passes through bearing and first bearing frame fixed connection, be equipped with the skeleton oil blanket in the first bearing frame, the skeleton oil blanket is located first bearing frame dorsad clutch gear axle sleeve one end.
Through adopting above-mentioned technical scheme, in the dust got into casing and location bearing was avoided to the skeleton oil blanket, the life of extension bearing strengthened clutch job stabilization nature.
Furthermore, the clutch driving assembly comprises a guide pin inserted into the one-way spiral groove, a compression spring and a compression screw, the compression spring is positioned between the compression screw and the guide pin, one end of the compression screw is abutted against the compression spring, and a gap is reserved between the other end of the compression screw and the inner wall of the clutch shell.
Through adopting above-mentioned technical scheme, because the degree of depth of block spacing groove is shallower than the degree of depth of one-way helicla flute, the setting is so that when drive tooth axle sleeve and separation and reunion tooth axle sleeve separation, the uide pin is shifted into one-way helicla flute by the block spacing groove more easily in, and the pressure spring applys pressure to the uide pin, the uide pin up-and-down motion of being convenient for.
Furthermore, waist type recess has been seted up on the helical pitch ring outer lane surface, the recess sets up along helical pitch ring along axial direction, set up the through-hole with the recess intercommunication on the clutch housing, wear to be equipped with the helical pitch screw between recess and the through-hole.
Through adopting above-mentioned technical scheme, the setting of recess is convenient for the separation and reunion drive assembly when changeing into the one-way helicla flute by the block spacing groove, the required movement distance of lead ring.
Furthermore, one end of the capstan shaft, which faces away from the clutch, is provided with a one-way damper, the one-way damper comprises a damping shell fixedly connected with the outer side wall of the U-shaped frame, a damping disc fixedly connected with the capstan shaft is arranged in the damping shell, four damping grooves which are uniformly distributed are annularly arranged at the edge of the damping disc, each damping groove comprises a first bottom surface and a first sliding surface, the included angle between the first bottom surface and the first sliding surface is 90-100 degrees, a wedge-shaped damping block is arranged in each damping groove, each damping block comprises a second bottom surface opposite to the first bottom surface, a second sliding surface opposite to the first sliding surface and an arc-shaped damping surface opposite to the inner wall of the damping shell, the curvature radius of each damping surface is the same as that of each damping disc, a gap is reserved between the first bottom surface and the second bottom surface, and a pressure spring is arranged between the first bottom surface and the second bottom surface, the damping block gradually decreases from large to small along the rotating direction of the winch shaft when the electric winch works.
Through adopting above-mentioned technical scheme, when needs electric capstan puts the rope, the motor passes through worm gear case drive separation and reunion tooth axle sleeve and rotates, and separation and reunion tooth axle sleeve is under separation and reunion drive assembly's drive, and separation and reunion tooth axle sleeve breaks away from with the driving tooth axle sleeve, and the capstan shaft is with higher speed under the action of gravity of anchor and is rotated, and the damping face and the conflict of damping shell inner wall of damping piece reduce the slew velocity of capstan shaft, prevent that the anchor speed of whereabouts is too fast, lead to the capstan wheel to appear reversing, and the hawser produces the winding.
Furthermore, shaft holes are formed in the first bottom face and the second bottom face, the two shaft holes are coaxially arranged, and two ends of the pressure spring are inserted into the corresponding shaft holes respectively.
Through adopting above-mentioned technical scheme, the restriction of pressure spring both ends is in two axle holes, prevents the pressure spring offset of damping dish when rotating.
Furthermore, a second bearing seat is arranged on the damping shell, a second positioning bearing is arranged in the second bearing seat, and an inner ring of the second positioning bearing is fixedly connected with the winch shaft.
By adopting the technical scheme, the second bearing supports the winch shaft, so that the stability of the winch shaft in rotation is kept.
To sum up, the utility model discloses following beneficial effect has:
1. the transmission gear shaft sleeve and the clutch gear shaft sleeve are arranged in a clamping mode, so that the effects of prolonging the service life of the clutch and enhancing the working reliability of the clutch can be achieved;
2. the clutch adopts an assembly type structure, is convenient to assemble, and can greatly improve the assembly efficiency;
3. high torque transmission and reliable meshing;
4. the unidirectional damper prevents the falling anchor from rotating reversely due to the fact that the falling anchor is too fast, and the mooring rope is wound.
Drawings
FIG. 1 is a schematic view of a related art electric winch;
FIG. 2 is a schematic diagram of a clutch according to the prior art;
FIG. 3 is a schematic diagram of an embodiment for embodying the position of a clutch on an electric winch;
FIG. 4 is a schematic diagram of an embodiment for embodying the location of a one-way damper on an electric winch;
FIG. 5 is a schematic diagram of an embodiment for embodying a clutch;
FIG. 6 is a schematic diagram of a frame oil seal used in the embodiment to embody the clutch;
FIG. 7 is an enlarged view of part A of FIG. 4 in the example;
FIG. 8 is a sectional view of the one-way damper in the embodiment.
In the figure, 1, a U-shaped frame; 2. a capstan wheel; 21. a baffle plate; 22. a capstan shaft; 31. a motor; 32. a worm gear case; 4. a one-way damper; 41. a damping housing; 42. a damping disc; 43. a damping slot; 431. a first bottom surface; 432. a first slip plane; 44. a damping block; 441. a second bottom surface; 442. a second slip plane; 443. a damping surface; 45. a shaft hole; 46. a second bearing housing; 47. a second positioning bearing; 48. a retainer ring for the second hole; 49. a protective shell; 410. a pressure spring; 5. a clutch; 6. a clutch housing; 61. a flange plate; 62. a first bearing housing; 63. a first positioning bearing; 64. a first hole retainer ring; 65. framework oil seal; 7. a transmission gear shaft sleeve; 71. a second latch; 72. a second card slot; 8. a clutch gear shaft sleeve; 81. a first latch; 82. a first card slot; 83. clamping the limiting groove; 84. separating the limiting groove; 85. a unidirectional spiral groove; 9. a clutch drive assembly; 91. a guide pin; 92. a compression spring; 93. a compression screw; 94. a lead screw; 10. a keyway; 110. a lead ring; 111. a drive aperture; 112. a groove; 100. a clutch disc body; 101. an internally threaded through bore; 102. an annular cavity; 103. an inner ring; 104. an outer ring; 200. a support; 201. a motor; 202. a winch; 203. a friction plate; 204. a brake disc; 205. a clamping block; 206. a power shaft; 300. a clutch; 301. a counter bore; 302. a through hole; 303. a pin; 304. a cotter pin; 305. and a reset spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): an electric winch is shown in fig. 3 and 4 and comprises a U-shaped frame 1, wherein a winch wheel 2 is arranged on the U-shaped frame 1, a motor 31 for driving the winch wheel 2 to rotate is arranged at one end of the winch wheel 2, a worm gear box 32 is arranged between the motor 31 and the winch wheel 2, a clutch 5 is further arranged between the worm gear box 32 and the U-shaped frame 1, and a one-way damper 4 is arranged at one end, opposite to the motor 31, of the winch wheel 2.
The capstan wheel 2 comprises a capstan shaft 22 rotatably arranged on the U-shaped frame 1 and baffles 21 arranged at both ends of the capstan shaft 22.
As shown in fig. 5 and 6, the clutch 5 includes a clutch housing 6 which is arranged in a cylindrical shape, a driving gear shaft sleeve 7, a clutch gear shaft sleeve 8 which is matched with the driving gear shaft sleeve 7 and a clutch driving component 9 are arranged in the clutch housing 6, the driving gear shaft sleeve 7 and the clutch gear shaft sleeve 8 are coaxially arranged, and the driving gear shaft sleeve 7 and the clutch gear shaft sleeve 8 are both rotatably arranged in the clutch housing 6. The clutch gear shaft sleeve 8 is rotated by a worm gear case 32 (see figure 3), the transmission gear shaft sleeve 7 is connected with the required winch shaft 22 (see figure 3), and the clutch gear shaft sleeve 8 is clamped to drive the transmission gear shaft sleeve 7 to rotate.
The clutch gear shaft sleeve 8 and the transmission gear shaft sleeve 7 are internally provided with key grooves 10, and the key grooves 10 enable the clutch gear shaft sleeve 8 to be in key connection with an output shaft of a worm gear box 32 (shown in figure 3) and the transmission gear shaft sleeve 7 to be in key connection with a winch shaft 22 (shown in figure 3).
One end of the clutch housing 6, which faces away from the clutch gear shaft sleeve 8, is provided with a flange 61, and the flange 61 is used for installation.
The side of driving gear axle sleeve 7 towards separation and reunion tooth axle sleeve 8 is equipped with four second latch 71, and four second latch 71 encircle driving gear axle sleeve 7 axis and evenly arrange the setting, are equipped with second draw-in groove 72 between two adjacent second latch 71.
The side of separation and reunion tooth axle sleeve 8 towards driving gear axle sleeve 7 is equipped with four first latches 81, and four first latches 81 surround the even setting of arranging of separation and reunion tooth axle sleeve 8 axis, are equipped with first draw-in groove 82 between two adjacent first latches 81.
During the use, first latch 81 blocks in the second draw-in groove 72, and second latch 71 blocks in first draw-in groove 82 to it is in the same place to leave the latch axle sleeve 8 with the joint of driving gear axle sleeve 7 card.
The opposite side surfaces of the first latch teeth 81 and the second latch teeth 71 are provided with slope surfaces, the slope surfaces of the first latch teeth 81 are arranged from high to low along the rotation direction of the clutch gear shaft sleeve 8 when the clutch gear shaft sleeve 8 is clamped with the transmission gear shaft sleeve 7, and the slope surfaces of the second latch teeth 71 are arranged along the opposite direction of the slope surfaces of the first latch teeth 81. The transmission gear shaft sleeve 7 and the clutch gear shaft sleeve 8 are separated from each other along the slope surface in a rotating mode, and the operation is more convenient.
An annular clamping limiting groove 83 is formed in one end, close to the transmission gear shaft sleeve 7, of the clutch gear shaft sleeve 8, an annular separation limiting groove 84 is formed in one end, far away from the transmission gear shaft sleeve 7, of the clutch gear shaft sleeve 8, and the clamping limiting groove 83 and the separation limiting groove 84 are both arranged coaxially with the clutch gear shaft sleeve 8. The clutch gear shaft sleeve 8 is further provided with a one-way spiral groove 85, one end of the one-way spiral groove 85 is communicated with the clamping limiting groove 83, and the other end of the one-way spiral groove 85 is communicated with the separation limiting groove 84.
The clutch housing 6 is internally and fixedly provided with a lead ring 110, the clutch tooth shaft sleeve 8 is positioned in the lead ring 110, and the lead ring 110 and the clutch tooth shaft sleeve 8 are coaxially arranged. The lead ring 110 is internally provided with a driving hole 111 pointing to the axis of the clutch gear shaft sleeve 8, and the clutch driving assembly 9 sequentially passes through the clutch housing 6 and the driving hole 111 and is inserted into the one-way spiral groove 85. The lead ring 110 has guiding and supporting functions for the front and back displacement of the clutch tooth shaft sleeve 8.
The clutch driving assembly 9 comprises a guide pin 91 inserted into the one-way spiral groove 85, a pressing spring 92 and a pressing screw 93, wherein the pressing spring 92 is positioned between the pressing screw 93 and the guide pin 91, one end of the pressing screw 93 is abutted against the pressing spring 92, and a gap is reserved between the other end of the pressing screw 93 and the inner wall of the clutch housing 6.
The depth of the engaging limit groove 83 is shallower than the depth of the one-way spiral groove 85, so that when the transmission gear shaft sleeve 7 and the clutch gear shaft sleeve 8 are separated, the guide pin 91 is more easily transferred from the engaging limit groove 83 into the one-way spiral groove 85, the pressing spring 92 applies pressure to the guide pin 91, and the guide pin 91 can move up and down conveniently.
The outer ring surface of the lead ring 110 is provided with a waist-shaped groove 112, the groove 112 is arranged along the axial direction of the lead ring 110, the clutch housing 6 is provided with a through hole communicated with the groove 112, and a lead screw 94 is arranged between the groove 112 and the through hole in a penetrating way. The groove 112 is provided to facilitate the required movement distance of the lead ring 110 when the clutch driving assembly 9 is rotated from the engagement limiting groove 83 to the one-way spiral groove 85.
A first bearing seat 62 is arranged in the clutch housing 6, a first positioning bearing 63 is arranged in the first bearing seat 62, first hole retainer rings 64 for fixing the first positioning bearing 63 in the first bearing seat 62 are arranged on two sides of the first positioning bearing 63, and an inner ring of the transmission gear shaft sleeve 7 is fixedly connected with the first bearing seat 62. A framework oil seal 65 is arranged in the first bearing seat 62, and the framework oil seal 65 is positioned at one end, away from the clutch gear shaft sleeve 8, of the first bearing seat 62.
As shown in fig. 7 and 8, the one-way damper 4 comprises a damping housing 41 fixedly connected with the outer side wall of the U-shaped frame 1, a damping disc 42 fixedly connected with the winch shaft 22 (see fig. 3) is arranged in the damping housing 41, and the damping disc 42 is connected with the winch shaft 22 (see fig. 3) in a key fit manner.
Four damping grooves 43 which are uniformly distributed are annularly arranged on the edge of the damping disc 42, each damping groove 43 comprises a first bottom surface 431 and a first sliding surface 432, and the included angle between each first sliding surface 432 and each first bottom surface 431 is 90-100 degrees. The damping groove 43 is provided with a wedge-shaped damping block 44, the damping block 44 comprises a second bottom surface 441 opposite to the first bottom surface 431, a second sliding surface 442 opposite to the first sliding surface 432, and an arc-shaped damping surface 443 opposite to the inner wall of the damping shell 41, the curvature radius of the damping surface 443 is the same as that of the damping disc 42, and the damping block 44 gradually decreases from large to small along the rotation direction of the winch shaft 22 (see fig. 3) when the electric winch works.
A gap is reserved between the first bottom surface 431 and the second bottom surface 441, a pressure spring 410 is arranged between the first bottom surface 431 and the second bottom surface 441, shaft holes 45 are formed in the first bottom surface 431 and the second bottom surface 441, the two shaft holes 45 in the first bottom surface 431 and the second bottom surface 441 are coaxially arranged, and two ends of the pressure spring 410 are respectively inserted into the corresponding shaft holes 45.
The damping shell 41 is provided with a second bearing seat 46, a second positioning bearing 47 is arranged in the second bearing seat 46, an inner ring of the second positioning bearing 47 is fixedly connected with the winch shaft 22 (see fig. 3), and a second hole retainer ring 48 is further arranged in the second bearing seat 46.
The damping housing 41 is provided with a protective shell 49 to prevent dust from entering the second positioning bearing 47.
The specific implementation process comprises the following steps: the clutch gear shaft sleeve 8 is in transition fit connection with an output shaft of the worm gear case 32, the motor 31 drives the clutch gear shaft sleeve 8 to rotate through the worm gear case 32, the clutch gear shaft sleeve 8 rotates along with the clutch gear shaft sleeve 8, the guide pin 912 moves in the one-way spiral groove 85 to enable the clutch gear shaft sleeve 8 to move leftwards, the clutch gear shaft sleeve 8 is clamped with the transmission gear shaft sleeve 7 to drive the transmission gear shaft sleeve 7 to rotate, the winch shaft 22 connected with the transmission gear shaft sleeve 7 is driven to rotate together, at the moment, the damping block 44 overcomes the elastic force of the pressure spring 410 to move towards the direction of the first bottom surface 431, the damping surface 443 of the damping block 44 and the damping shell 41 generate small resistance, and the normal work of the winch;
when the output shaft of the worm gear case 32 rotates anticlockwise, the gear engaging shaft sleeve is separated from the transmission gear shaft sleeve 7, at the moment, the lead ring 110 runs rightwards firstly, the guide pin 912 is ensured to enter the one-way spiral groove 85 to move, the clutch gear shaft sleeve 8 is further separated until being separated from the transmission gear shaft sleeve 7, the clutch gear shaft sleeve 8 is further separated until being separated, the one-way damper 4 works at the moment, the damping surface 443 of the wedge-shaped damping block 44 is matched with the damping surface 443 of the clutch housing 6 under the action of the pressure spring 410 to rub, a damping effect is generated, the falling anchor speed is prevented from being too high, the reel wheel 2 is caused to rotate reversely, and the cable is wound.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an electric capstan, includes U-shaped frame (1), be equipped with capstan wheel (2) on U-shaped frame (1), the capstan winch includes capstan winch axle (22) of being connected with U-shaped frame (1) rotation, is equipped with two baffles (21) on capstan winch axle (22), capstan winch axle (22) one end is stretched out U-shaped frame (1) and is driven by motor (31), be equipped with worm gear case (32) between motor (31) and capstan winch axle (22), still be equipped with clutch (5), its characterized in that between worm gear case (32) and capstan winch axle (22): the clutch (5) comprises a clutch housing (6) fixedly arranged on the outer side wall of the U-shaped frame (1), a transmission gear shaft sleeve (7) and a clutch gear shaft sleeve (8) matched with the transmission gear shaft sleeve (7) are rotatably arranged in the clutch housing (6), the transmission gear shaft sleeve (7) is fixedly connected with the winch shaft (22), a key groove (10) axially arranged is formed in the inner wall of the clutch gear shaft sleeve (8), a connecting key inserted into the key groove (10) is arranged on an output shaft of the worm gear case (32),
the side of the clutch gear shaft sleeve (8) facing the transmission gear shaft sleeve (7) is provided with at least one first latch (81), the side of the transmission gear shaft sleeve (7) facing the clutch gear shaft sleeve (8) is provided with a second clamping groove (72) matched with the first latch (81),
one end of the clutch gear shaft sleeve (8) close to the transmission gear shaft sleeve (7) is provided with an annular clamping limiting groove (83), one end of the clutch gear shaft sleeve (8) far away from the transmission gear shaft sleeve (7) is provided with an annular separation limiting groove (84), the clamping limiting groove (83) and the separation limiting groove (84) are both arranged coaxially with the clutch gear shaft sleeve (8), the clutch gear shaft sleeve (8) is also provided with a one-way spiral groove (85), one end of the one-way spiral groove (85) is communicated with the clamping limiting groove (83), and the other end is communicated with the separation limiting groove (84),
the clutch (5) further comprises a clutch driving assembly (9) with a fixed position, the clutch driving assembly (9) is arranged in a shaft shape, and one end of the clutch driving assembly (9) penetrates through the clutch shell (6) to be inserted into the one-way spiral groove (85).
2. An electric winch according to claim 1, wherein: the side surface of the transmission gear shaft sleeve (7) facing the clutch gear shaft sleeve (8) is provided with at least three second clamping teeth (71), each second clamping tooth (71) is arranged around the axis of the transmission gear shaft sleeve (7), and a second clamping groove (72) is formed between every two adjacent second clamping teeth (71);
the side of separation and reunion tooth axle sleeve (8) towards driving gear axle groove is equipped with at least three first latch (81), and each first latch (81) encircle separation and reunion tooth axle sleeve (8) axis setting, is equipped with first draw-in groove (82) between two adjacent first latch (81).
3. An electric winch according to claim 2, wherein: the side surfaces of the first clamping teeth (81) and the second clamping teeth (71) which are opposite are arranged into slope surfaces, the slope surfaces of the first clamping teeth (81) are arranged from high to low along the rotation direction of the clutch tooth shaft sleeve (8) when the clutch tooth shaft sleeve (8) is clamped with the transmission tooth shaft sleeve (7), and the slope surfaces of the second clamping teeth (71) are arranged along the opposite direction of the slope surfaces of the first clamping teeth (81).
4. An electric winch according to claim 1, wherein: clutch housing (6) internal fixation has lead ring (110), separation and reunion tooth axle sleeve (8) are located lead ring (110), separation and reunion tooth axle sleeve (8) outer wall and the laminating of lead ring (110) inner wall, be equipped with drive hole (111) of directional separation and reunion tooth axle sleeve (8) axis in lead ring (110), separation and reunion drive assembly (9) pass drive hole (111) card and go into one-way helicla flute (85).
5. An electric winch according to claim 4, wherein: be equipped with first bearing frame (62) in clutch housing (6), be equipped with first location bearing (63) in first bearing frame (62), driving gear axle sleeve (7) pass through bearing and first bearing frame (62) fixed connection, be equipped with skeleton oil blanket (65) in first bearing frame (62), skeleton oil blanket (65) are located first bearing frame (62) clutch gear axle sleeve (8) one end dorsad.
6. An electric winch according to claim 5, wherein: the clutch driving assembly (9) comprises a guide pin (91) inserted into the one-way spiral groove (85), a compression spring (92) and a compression screw (93), the compression spring (92) is located between the compression screw (93) and the guide pin (91), one end of the compression screw (93) is abutted to the compression spring (92), and a gap is reserved between the other end of the compression screw and the inner wall of the clutch shell (6).
7. An electric winch according to claim 6, wherein: waist type recess (112) have been seted up on lead ring (110) outer lane surface, recess (112) set up along lead ring (110) along axial direction, set up the through-hole that communicates with recess (112) on clutch housing (6), lead screw (94) wear to be equipped with between recess (112) and the through-hole.
8. An electric winch according to claim 1, wherein: one end, back to the clutch (5), of the winch shaft (22) is provided with a one-way damper (4), the one-way damper (4) comprises a damping shell (41) fixedly connected with the outer side wall of the U-shaped frame (1), a damping disc (42) fixedly connected with the winch shaft (22) is arranged in the damping shell (41), four damping grooves (43) uniformly distributed are annularly arranged at the edge of the damping disc (42), each damping groove (43) comprises a first bottom surface (431) and a first sliding surface (432), the included angle between the first bottom surface (431) and the first sliding surface (432) is 90-100 degrees, a wedge-shaped damping block (44) is arranged in each damping groove (43), each damping block (44) comprises a second bottom surface (441) opposite to the first bottom surface (431), a second sliding surface (442) opposite to the first sliding surface (432), and a damping surface (443) opposite to the inner wall of the damping shell (41), the curvature radius of the damping surface (443) is the same as that of the damping disc (42), a gap is reserved between the first bottom surface (431) and the second bottom surface (441), a pressure spring (410) is arranged between the first bottom surface (431) and the second bottom surface (441), and the damping block (44) gradually decreases from large to small along the rotation direction of the winch shaft (22) when the electric winch works.
9. An electric winch according to claim 8, wherein: all be equipped with shaft hole (45) in first bottom surface (431) and second bottom surface (441), two shaft hole (45) coaxial settings, insert respectively in corresponding shaft hole (45) the both ends of pressure spring (410).
10. An electric winch according to claim 8, wherein: and a second bearing seat (46) is arranged on the damping shell (41), a second positioning bearing (47) is arranged in the second bearing seat (46), and the inner ring of the second positioning bearing (47) is fixedly connected with the winch shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614550.0U CN210103347U (en) | 2019-04-29 | 2019-04-29 | Electric capstan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614550.0U CN210103347U (en) | 2019-04-29 | 2019-04-29 | Electric capstan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103347U true CN210103347U (en) | 2020-02-21 |
Family
ID=69539023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920614550.0U Expired - Fee Related CN210103347U (en) | 2019-04-29 | 2019-04-29 | Electric capstan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054101A (en) * | 2019-04-29 | 2019-07-26 | 江苏华风科技有限公司 | A kind of electric capstan |
-
2019
- 2019-04-29 CN CN201920614550.0U patent/CN210103347U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054101A (en) * | 2019-04-29 | 2019-07-26 | 江苏华风科技有限公司 | A kind of electric capstan |
| CN110054101B (en) * | 2019-04-29 | 2024-02-09 | 江苏华风科技有限公司 | Electric winch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |