CN210069253U - Pipeline robot roller transmission assembly - Google Patents
Pipeline robot roller transmission assembly Download PDFInfo
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- CN210069253U CN210069253U CN201920743564.2U CN201920743564U CN210069253U CN 210069253 U CN210069253 U CN 210069253U CN 201920743564 U CN201920743564 U CN 201920743564U CN 210069253 U CN210069253 U CN 210069253U
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Abstract
The utility model discloses a pipeline robot gyro wheel drive assembly, including the box with rotate first pivot and the second pivot of setting in the box, first pivot is perpendicular with the second pivot. A sleeve is fixedly sleeved on the first rotating shaft, and a thread is arranged on the sleeve and marked as a worm; the second rotating shaft is fixedly sleeved with a gear which is marked as a worm wheel, and the worm is meshed with the worm wheel. One end of the first rotating shaft extends out of the shell and is fixedly connected with the rotating shaft of the driving roller, and one end of the second rotating shaft extends out of the shell and is fixedly connected with the roller. The sleeve is sleeved on the first rotating shaft, and threads are arranged on the sleeve to form a worm; the second rotating shaft is fixedly sleeved with a gear to form a worm wheel, and the worm is meshed with the worm wheel to form a worm and gear transmission mechanism. The worm gear and worm have large transmission ratio, large torque and large single-stage speed ratio, and the purposes of high rotation speed of the spiral roller and low rotation speed of the roller are achieved; and the noise is little, the vibration is little, has the self-locking function, and structural stability is good.
Description
Technical Field
The utility model belongs to pipeline robot field, concretely relates to pipeline robot gyro wheel drive assembly.
Background
Municipal pipelines are extremely harsh in environment, and are easy to corrode and fatigue after long-term use, or cause leakage accidents caused by the fact that potential defects inside the pipelines are broken, particularly water pipelines are easy to block and the like. Therefore, the pipe-in detection and dredging of the pipeline are very important practical engineering, most of the pipe-in detection and dredging at present are operated manually and limited by factors such as the size of the pipeline and the severe environment, and the working intensity is high and the working efficiency is low. Based on this problem, pipeline robots have emerged at present.
The applicant has studied a robot for operation in non-full water pipes, which robot needs to float on the water surface in the pipe to detect the condition of the surrounding pipe wall. The driving motor of the pipeline robot is installed in the spiral roller, the two ends of the spiral roller are provided with the rollers, and the rotating shaft of the rollers is perpendicular to the rotating shaft of the driving roller. After the motor is started, the spiral roller and the idler wheel are driven to rotate, and the pipeline robot moves along the pipeline. In the prior art, a transmission mechanism between a spiral roller and a roller has poor stability, a single-stage speed ratio is small, and noise is high.
Disclosure of Invention
An object of the utility model is to provide a pipeline robot gyro wheel drive assembly solves among the prior art drive mechanism between helical cylinder and the gyro wheel, poor stability, and the single-stage velocity ratio is little, the big technical problem of noise.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme:
the utility model provides a pipeline robot roller transmission subassembly, includes the box and rotates first pivot and the second pivot of setting in the box, first pivot is perpendicular with the second pivot.
A sleeve is fixedly sleeved on the first rotating shaft, and threads are arranged on the sleeve and marked as a worm; the second rotating shaft is fixedly sleeved with a gear which is marked as a worm wheel, and the worm is meshed with the worm wheel.
One end of the first rotating shaft extends out of the shell and is fixedly connected with the rotating shaft of the driving roller, and one end of the second rotating shaft extends out of the shell and is fixedly connected with the roller.
The sleeve is sleeved on the first rotating shaft, and threads are arranged on the sleeve to form a worm; the second rotating shaft is fixedly sleeved with a gear to form a worm wheel, and the worm is meshed with the worm wheel to form a worm and gear transmission mechanism. The worm gear and worm have large transmission ratio, large torque and large single-stage speed ratio, and the purposes of high rotation speed of the spiral roller and low rotation speed of the roller are achieved; and the noise is little, the vibration is little, has the self-locking function, and structural stability is good.
The box body is a uncovered cuboid shell and comprises a bottom plate and four side plates, wherein the four side plates are divided into a first group of side plates and a second group of side plates;
a first through hole and a second through hole are formed in the first group of side plates and are coaxially arranged, and a first bearing leaning shoulder is arranged at one end, close to the inner cavity of the box body, of each of the first through hole and the second through hole.
A first bearing is embedded in the first through hole, one side of the outer ring of the first bearing abuts against the corresponding first bearing abutment shoulder, a second bearing is embedded in the second through hole, one side of the outer ring of the second bearing abuts against the corresponding first bearing abutment shoulder, the first bearing and the second bearing are sleeved on the first rotating shaft, a first end cover is arranged outside the first bearing, the first end cover is fixedly connected with the box body through a screw, and a sealing gasket is arranged between the first end cover and the box body; the first end cover can shield the first through hole, the inner wall of the first end cover is abutted against the other side of the outer ring of the first bearing, the first bearing is prevented from moving along the axial direction, a gap exists between the end part of the first rotating shaft and the inner wall of the first end cover, and the end part of the first rotating shaft is prevented from interfering with the first end cover.
A second end cover is arranged outside the second bearing, the second end cover is fixedly connected with the box body through screws, a third through hole is formed in the second end cover, the first rotating shaft extends out of the third through hole, a first spacing component is arranged on the inner wall of the third through hole, the third through hole is divided into a first cavity and a second cavity by the first spacing component, the first cavity is close to the sleeve, the other side of the outer ring of the second bearing is abutted against the inner wall of the second end cover, a first framework sealing ring is embedded in the first cavity, a first wool felt sealing ring is embedded in the second cavity, the first framework sealing ring and the first wool felt sealing ring are movably sleeved on the first rotating shaft, and the first framework sealing ring is abutted against one side of the inner ring of the second bearing to prevent the second bearing from axially shifting; the outside of second end cover is provided with first retaining ring through the fix with screw, and first retaining ring is passed to first pivot. Through setting up first skeleton sealing washer and first wool felt sealing washer, play sealed effect, prevent that sewage from getting into the box, corrosion worm gear.
A fourth through hole and a fifth through hole are formed in the second group of side plates, the fourth through hole and the fifth through hole are coaxially arranged, and second bearing leaning shoulders are arranged at the ends, close to the inner cavity of the box body, of the fourth through hole and the fifth through hole;
the third bearing is embedded in the fourth through hole, one side of the outer ring of the third bearing abuts against the corresponding second bearing shoulder, the fourth bearing is embedded in the fifth through hole, one side of the outer ring of the third bearing abuts against the corresponding second bearing shoulder, the third bearing and the fourth bearing are sleeved on the second rotating shaft, a third end cover is arranged outside the third bearing and fixedly connected with the box body through screws, a sealing gasket is arranged between the third end cover and the box body, the third end cover can shield the fourth through hole, the inner wall of the third end cover abuts against the other side of the outer ring of the third bearing to prevent the third bearing from moving along the axial direction, a gap exists between the end part of the second rotating shaft and the inner wall of the third end cover, and the end part of the second rotating shaft is prevented from interfering with the third end cover.
A fourth end cover is arranged outside the fourth bearing, the fourth end cover is fixedly connected with the box body through screws, a sixth through hole is formed in the fourth end cover, the second rotating shaft extends out of the sixth through hole, a second spacing assembly is arranged on the inner wall of the sixth through hole, the sixth through hole is divided into a third cavity and a fourth cavity by the second spacing assembly, the third cavity is close to the gear, the other side of the outer ring of the fourth bearing abuts against the inner wall of the fourth end cover, a second framework sealing ring is embedded in the third cavity, a second wool felt sealing ring is embedded in the fourth cavity, the second framework sealing ring and the second wool felt sealing ring are movably sleeved on the second rotating shaft, and the second framework sealing ring abuts against one side of the inner ring of the fourth bearing to prevent the fourth bearing from axially shifting; and a second check ring is fixedly arranged outside the fourth end cover through a screw, and the second rotating shaft penetrates through the second check ring. Through setting up second skeleton sealing washer and second wool felt sealing washer, play sealed effect, prevent that sewage from getting into the box, corrosion worm gear.
The improvement is further that one end of the first rotating shaft, which is close to the first bearing, is provided with a first annular clamping groove, and the first bearing baffle fixing clamp is arranged in the first annular clamping groove to limit the first bearing, so that the first rotating shaft is prevented from being separated from the first bearing.
One end of the second rotating shaft, which is close to the third bearing, is provided with a second annular clamping groove, and the second bearing baffle is fixedly clamped in the second annular clamping groove to limit the third bearing, so that the second rotating shaft is prevented from being separated from the third bearing.
The improved structure of the bearing comprises a sleeve, a first annular boss and a second annular boss, wherein one end, close to a second bearing, of the sleeve extends outwards along the length direction to form the first annular boss, the first annular boss and the sleeve are integrally formed, the outer diameter of the first annular boss is smaller than that of the sleeve, a first positioning hole is formed in the first annular boss in a penetrating mode, a second positioning hole is formed in the first rotating shaft in a penetrating mode, the first positioning hole and the second positioning hole are coaxially arranged, a first positioning piece is inserted into the first positioning hole and the second positioning hole to fasten a worm and the first rotating shaft, the sleeve and the first rotating shaft are prevented from rotating relative to each other, the sleeve is prevented from moving along the axial direction, the tail end of the first annular boss abuts against the other side of an inner ring of the second.
The gear is close to the one end of fourth bearing and outwards extends along length direction and forms second annular boss, second annular boss and gear integrated into one piece, the external diameter of second annular boss is less than the external diameter of gear, the last edge of second annular boss has been seted up the third locating hole of running through, the second pivot is gone up and has been radially run through and has been seted up the fourth locating hole, third locating hole and the coaxial setting of fourth locating hole, the second setting element inserts gear and second pivot fastening in third locating hole and the fourth locating hole, prevent that gear and second pivot from taking place relative rotation, and prevent that the gear from drunkenness along the axial, the end of second annular boss supports the opposite side that leans on the fourth bearing inner circle, prevent that the fourth bearing from drunkenness along the.
In a further improvement, one end of the first rotating shaft, which is positioned at the box body, is provided with a flange fixedly connected with the rotating shaft of the driving roller. The flange plate is connected with the rotating shaft of the spiral roller, so that the connection is firm, and the disassembly and the assembly are convenient.
Further improve, the box is kept away from the one end of bottom plate, all offers the screw hole that is used for with this body coupling of pipeline robot on the terminal surface of four curb plates. The box body is connected with the pipeline robot body by screwing the bolts into the corresponding threaded holes, so that the connection is firm and the disassembly and the assembly are convenient; in addition, a sealing gasket is arranged between the box body and the pipeline robot body.
The second rotating shaft is a stepped shaft and comprises a first section, a second section and a third section which are fixedly connected in sequence;
the end surfaces of the first section and the second section are circular, the end surface of the third section is non-circular, the third bearing and the fourth bearing are sleeved on the first section, and the inner ring of the fourth bearing is abutted against the step surfaces of the first section and the second section; the diameter of the second section is larger than that of the first section, and meanwhile, the diameter of the second section is larger than that of a circumscribed circle of the end face of the third section; the second section is sleeved with a second framework sealing ring and a second felt sealing ring; the third section is positioned outside the box body and is used for being connected with the buoyancy roller. Because the end face of the third section is non-circular, and the central hole of the roller is also a non-circular hole, the third section is firmly connected with the roller, when the roller of the rotating shaft belt wheel rotates, the rotating shaft and the buoyancy roller do not rotate relatively, and the phenomenon of slipping or damaging the roller does not occur.
In a further improvement, the second rotating shaft is a hollow shaft, and the cavity corresponding to the third section is a threaded hole. The hollow shaft is arranged, so that the gravity is reduced, and the buoyancy is increased. The cavity corresponding to the third section is a threaded hole, the bolt is screwed into the threaded hole, the tail end of the bolt is fixedly connected with a limiting block, and the limiting block plays a role in limiting and fastening the roller to prevent the roller from moving along the axial direction.
The end face of the third section is triangular, so that the processing is convenient, the structure is simple, and the stability is good.
Compared with the prior art, the beneficial effects of the utility model are that:
the sleeve is sleeved on the first rotating shaft, and threads are arranged on the sleeve to form a worm; the second rotating shaft is fixedly sleeved with a gear to form a worm wheel, and the worm is meshed with the worm wheel to form a worm and gear transmission mechanism. The worm gear and worm have large transmission ratio, large torque and large single-stage speed ratio, and the purposes of high rotation speed of the spiral roller and low rotation speed of the roller are achieved; and the noise is little, the vibration is little, has the self-locking function, and structural stability is good.
Drawings
Fig. 1 is a perspective view of a roller driving assembly of a pipeline robot.
Fig. 2 is a front view of the pipeline robot roller gear assembly.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a partially enlarged view of the portion C of fig. 3.
Fig. 5 is a sectional view B-B of fig. 2.
Fig. 6 is a perspective view of a roller rotating shaft of the pipeline robot.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following will combine the embodiments of the present invention to clearly and completely describe the technical solution of the present invention.
As shown in fig. 1 to 6, a roller transmission assembly for a pipeline robot comprises a housing 1, and a first rotating shaft 2 and a second rotating shaft 3 rotatably disposed in the housing, wherein the first rotating shaft 2 is perpendicular to the second rotating shaft 3.
A sleeve 41 is fixedly sleeved on the first rotating shaft 1, and a thread is arranged on the sleeve 41 and is marked as a worm; the second shaft 4 is fixedly sleeved with a gear 42 which is marked as a worm wheel, and the worm is meshed with the worm wheel.
One end of the first rotating shaft 2 extends out of the shell and is fixedly connected with the rotating shaft of the driving roller, and one end of the second rotating shaft 3 extends out of the shell and is fixedly connected with the roller.
The sleeve is sleeved on the first rotating shaft, and threads are arranged on the sleeve to form a worm; the second rotating shaft is fixedly sleeved with a gear to form a worm wheel, and the worm is meshed with the worm wheel to form a worm and gear transmission mechanism. The worm gear and worm have large transmission ratio, large torque and large single-stage speed ratio, and the purposes of high rotation speed of the spiral roller and low rotation speed of the roller are achieved; and the noise is little, the vibration is little, has the self-locking function, and structural stability is good.
In the present embodiment, the box body 1 is a rectangular parallelepiped housing without a cover, and includes a bottom plate 11 and four side plates 12, and the four side plates 12 are divided into a first group of side plates and a second group of side plates. In other embodiments, the housing may be other shapes.
A first through hole and a second through hole are formed in the first group of side plates and are coaxially arranged, and a first bearing leaning shoulder is arranged at one end, close to the inner cavity of the box body, of each of the first through hole and the second through hole.
A first bearing 71 is embedded in the first through hole, one side of the outer ring of the first bearing 71 abuts against the corresponding first bearing shoulder, a second bearing 81 is embedded in the second through hole, one side of the outer ring of the second bearing 81 abuts against the corresponding first bearing shoulder, the first bearing 71 and the second bearing 81 are sleeved on the first rotating shaft 2, a first end cover 51 is arranged outside the first bearing 71, the first end cover 51 is fixedly connected with the box body through a screw, and a sealing gasket is arranged between the first end cover 51 and the box body 1; the first end cover 51 can shield the first through hole, the inner wall of the first end cover abuts against the other side of the outer ring of the first bearing 71, the first bearing is prevented from moving along the axial direction, a gap exists between the end part of the first rotating shaft and the inner wall of the first end cover, and the end part of the first rotating shaft is prevented from interfering with the first end cover.
A second end cover 61 is arranged outside the second bearing 81, the second end cover 61 is fixedly connected with the box body through screws, a third through hole is formed in the second end cover, the first rotating shaft 2 extends out of the third through hole, a first spacing component 62 is arranged on the inner wall of the third through hole, the third through hole is divided into a first cavity and a second cavity by the first spacing component 62, the first cavity is close to the sleeve 41, the other side of the outer ring of the second bearing 81 is abutted against the inner wall of the second end cover, a first framework sealing ring 101 is embedded in the first cavity, a first wool felt sealing ring 102 is embedded in the second cavity, the first framework sealing ring 101 and the first wool felt sealing ring 102 are movably sleeved on the first rotating shaft 2, and the first framework sealing ring is abutted against one side of the inner ring of the second bearing to prevent the second bearing from moving along the axial direction; the outside of second end cover is provided with first retaining ring through the fix with screw, and first retaining ring is passed to first pivot. Through setting up first skeleton sealing washer and first wool felt sealing washer, play sealed effect, prevent that sewage from getting into the box, corrosion worm gear.
In this embodiment, the first spacer element 62 is annular and is integrally formed with the second end cap. In other embodiments, the first spacer assembly may have other configurations, such as a plurality of circumferentially distributed protrusions.
A fourth through hole and a fifth through hole are formed in the second group of side plates, the fourth through hole and the fifth through hole are coaxially arranged, and second bearing leaning shoulders are arranged at one ends, close to the inner cavity of the box body 1, of the fourth through hole and the fifth through hole;
the third bearing 72 is embedded in the fourth through hole, one side of the outer ring of the third bearing 72 abuts against the corresponding second bearing shoulder, the fourth bearing 82 is embedded in the fifth through hole, one side of the outer ring of the third bearing 82 abuts against the corresponding second bearing shoulder, the third bearing 72 and the fourth bearing 82 are sleeved on the second rotating shaft 3, the third end cover 52 is arranged outside the third bearing 72 and fixedly connected with the box body through screws, a sealing gasket is arranged between the third end cover and the box body, the third end cover can shield the fourth through hole, the inner wall of the third end cover abuts against the other side of the outer ring of the third bearing to prevent the third bearing from moving along the axial direction, a gap exists between the end part of the second rotating shaft and the inner wall of the third end cover, and the end part of the second rotating shaft is prevented from interfering with the third end cover.
A fourth end cover 62 is arranged outside the fourth bearing 82, the fourth end cover is fixedly connected with the box body through screws, a sixth through hole is formed in the fourth end cover, the second rotating shaft extends out of the sixth through hole, a second spacing assembly is arranged on the inner wall of the sixth through hole, the sixth through hole is divided into a third cavity and a fourth cavity by the second spacing assembly, the third cavity is close to the gear, the other side of the outer ring of the fourth bearing abuts against the inner wall of the fourth end cover, a second framework sealing ring is embedded in the third cavity, a second wool felt sealing ring is embedded in the fourth cavity, the second framework sealing ring and the second wool felt sealing ring are movably sleeved on the second rotating shaft, and the second framework sealing ring abuts against one side of the inner ring of the fourth bearing to prevent the fourth bearing from axially shifting; and a second check ring is fixedly arranged outside the fourth end cover through a screw, and the second rotating shaft penetrates through the second check ring. Through setting up second skeleton sealing washer and second wool felt sealing washer, play sealed effect, prevent that sewage from getting into the box, corrosion worm gear.
In this embodiment, the second spacer member is ring-shaped and is integrally formed with the fourth end cap. In other embodiments, the second spacer elements may have other configurations, such as a plurality of circumferentially distributed protrusions.
In this embodiment, the end of the first rotating shaft 2 close to the first bearing 71 is provided with a first annular clamping groove, and the first bearing baffle 91 is fixedly clamped in the first annular clamping groove to limit the first bearing, so as to prevent the first rotating shaft from being separated from the first bearing.
One end of the second rotating shaft 3, which is close to the third bearing 72, is provided with a second annular clamping groove, and the second bearing baffle 92 is fixedly clamped in the second annular clamping groove to limit the third bearing, so that the second rotating shaft is prevented from being separated from the third bearing.
In this embodiment, one end of the sleeve 41 close to the second bearing 81 extends outwards along the length direction to form a first annular boss, the first annular boss and the sleeve are integrally formed, the outer diameter of the first annular boss is smaller than that of the sleeve, a first positioning hole is formed in the first annular boss in a penetrating mode, a second positioning hole is formed in the first rotating shaft in a penetrating mode in a radial direction, the first positioning hole and the second positioning hole are coaxially arranged, the first positioning piece is inserted into the first positioning hole and the second positioning hole to fasten the worm and the first rotating shaft, the sleeve and the first rotating shaft are prevented from rotating relatively, the sleeve is prevented from moving axially, the tail end of the first annular boss abuts against the other side of the inner ring of the second bearing, and the second bearing is prevented from moving axially.
One end of the gear 42 close to the fourth bearing 82 extends outwards along the length direction to form a second annular boss, the second annular boss and the gear are integrally formed, the outer diameter of the second annular boss is smaller than that of the gear, a third positioning hole is formed in the second annular boss in a penetrating mode, a fourth positioning hole 34 is formed in the second rotating shaft in a penetrating mode along the radial direction, the third positioning hole and the fourth positioning hole are coaxially arranged, a second positioning piece is inserted into the third positioning hole and the fourth positioning hole to fasten the gear and the second rotating shaft, the gear and the second rotating shaft are prevented from rotating relatively, the gear is prevented from moving along the axial direction, the tail end of the second annular boss abuts against the other side of the inner ring of the fourth bearing, and the fourth bearing is prevented from moving.
In this embodiment, a flange 21 for fixedly connecting with the rotating shaft of the driving roller is disposed at one end of the first rotating shaft located at the box body. The flange plate is connected with the rotating shaft of the spiral roller, so that the connection is firm, and the disassembly and the assembly are convenient.
In this embodiment, the box 1 is far away from one end of the bottom plate 11, and threaded holes 13 for connecting with the pipeline robot body are opened on the end surfaces of the four side plates 12. The box body is connected with the pipeline robot body by screwing the bolts into the corresponding threaded holes, so that the connection is firm and the disassembly and the assembly are convenient; in addition, a sealing gasket is arranged between the box body and the pipeline robot body.
In this embodiment, the second rotating shaft 3 is a stepped shaft, and includes a first section 31, a second section 32, and a third section 33 that are fixedly connected in sequence;
the end surfaces of the first section and the second section are circular, the end surface of the third section is non-circular, the third bearing and the fourth bearing are sleeved on the first section, and the inner ring of the fourth bearing is abutted against the step surfaces of the first section and the second section; the diameter of the second section is larger than that of the first section, and meanwhile, the diameter of the second section is larger than that of a circumscribed circle of the end face of the third section; the second section is sleeved with a second framework sealing ring and a second felt sealing ring; the third section is positioned outside the box body and is used for being connected with the buoyancy roller. Because the end face of the third section is non-circular, and the central hole of the roller is also a non-circular hole, the third section is firmly connected with the roller, when the roller of the rotating shaft belt wheel rotates, the rotating shaft and the buoyancy roller do not rotate relatively, and the phenomenon of slipping or damaging the roller does not occur.
In this embodiment, the second rotating shaft 3 is a hollow shaft, and the cavity corresponding to the third section is a threaded hole. The hollow shaft is arranged, so that the gravity is reduced, and the buoyancy is increased. The cavity corresponding to the third section is a threaded hole, the bolt is screwed into the threaded hole, the tail end of the bolt is fixedly connected with a limiting block, and the limiting block plays a role in limiting and fastening the roller to prevent the roller from moving along the axial direction.
In this embodiment, the end surface of the third section 33 is triangular, which is convenient for processing, simple in structure and good in stability. In other embodiments, the end face of the third section may be rectangular or other non-circular shape, or irregular.
What has not been described in detail in the present invention is the prior art or can be realized by the prior art, and the specific embodiment of the present invention is only the preferred embodiment of the present invention, which is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (9)
1. A pipeline robot roller transmission assembly is characterized by comprising a box body, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft are rotatably arranged in the box body;
a sleeve is fixedly sleeved on the first rotating shaft, and threads are arranged on the sleeve and marked as a worm; a gear is fixedly sleeved on the second rotating shaft and marked as a worm wheel, and the worm is meshed with the worm wheel;
one end of the first rotating shaft extends out of the shell and is fixedly connected with the rotating shaft of the driving roller, and one end of the second rotating shaft extends out of the shell and is fixedly connected with the roller.
2. The pipeline robot roller transmission assembly of claim 1, wherein the box body is an uncovered rectangular parallelepiped housing comprising a bottom plate and four side plates, the four side plates being divided into a first group of side plates and a second group of side plates;
a first through hole and a second through hole are formed in the first group of side plates, the first through hole and the second through hole are coaxially arranged, and first bearing leaning shoulders are arranged at one ends, close to the inner cavity of the box body, of the first through hole and the second through hole;
a first bearing is embedded in the first through hole, one side of an outer ring of the first bearing abuts against a corresponding first bearing shoulder, a second bearing is embedded in the second through hole, one side of an outer ring of the second bearing abuts against a corresponding first bearing shoulder, the first bearing and the second bearing are sleeved on a first rotating shaft, a first end cover is arranged outside the first bearing, the first end cover is fixedly connected with the box body through a screw, the first end cover can shield the first through hole, the inner wall of the first end cover abuts against the other side of the outer ring of the first bearing, and a gap exists between the end part of the first rotating shaft and the inner wall of the first end cover;
a second end cover is arranged outside the second bearing, the second end cover is fixedly connected with the box body through screws, a third through hole is formed in the second end cover, the first rotating shaft extends out of the third through hole, a first spacing component is arranged on the inner wall of the third through hole, the third through hole is divided into a first cavity and a second cavity by the first spacing component, the first cavity is close to the sleeve, the other side of the outer ring of the second bearing abuts against the inner wall of the second end cover, a first framework sealing ring is embedded in the first cavity, a first wool felt sealing ring is embedded in the second cavity, the first framework sealing ring and the first wool felt sealing ring are movably sleeved on the first rotating shaft, the first framework sealing ring abuts against one side of the inner ring of the second bearing, a first retaining ring is fixedly arranged outside the second end cover through screws, and the first rotating shaft penetrates through the first retaining ring;
a fourth through hole and a fifth through hole are formed in the second group of side plates, the fourth through hole and the fifth through hole are coaxially arranged, and second bearing leaning shoulders are arranged at the ends, close to the inner cavity of the box body, of the fourth through hole and the fifth through hole;
a third bearing is embedded in the fourth through hole, one side of an outer ring of the third bearing abuts against a corresponding second bearing shoulder, a fourth bearing is embedded in the fifth through hole, one side of the outer ring of the third bearing abuts against a corresponding second bearing shoulder, the third bearing and the fourth bearing are sleeved on a second rotating shaft, a third end cover is arranged outside the third bearing, the third end cover is fixedly connected with the box body through a screw, the third end cover can shield the fourth through hole, the inner wall of the third end cover abuts against the other side of the outer ring of the third bearing, and a gap exists between the end part of the second rotating shaft and the inner wall of the third end cover;
the fourth bearing is provided with a fourth end cover outside, the fourth end cover is fixedly connected with the box body through screws, a sixth through hole is formed in the fourth end cover, the second rotating shaft extends out of the sixth through hole, the inner wall of the sixth through hole is provided with a second spacing assembly, the second spacing assembly divides the sixth through hole into a third cavity and a fourth cavity, the third cavity is close to the gear, the other side of the outer ring of the fourth bearing is abutted against the inner wall of the fourth end cover, a second framework sealing ring is embedded in the third cavity, a second wool felt sealing ring is embedded in the fourth cavity, the second framework sealing ring and the second wool felt sealing ring are movably sleeved on the second rotating shaft, the second framework sealing ring is abutted against one side of the inner ring of the fourth bearing, a second retaining ring is fixedly arranged outside the fourth end cover through screws, and the second rotating shaft penetrates through the second retaining ring.
3. The pipeline robot roller transmission assembly of claim 2, wherein the first end of the first rotating shaft close to the first bearing is provided with a first annular clamping groove, and the first bearing baffle is fixedly clamped in the first annular clamping groove to limit the first bearing;
and a second annular clamping groove is formed in one end, close to the third bearing, of the second rotating shaft, and a second bearing baffle is fixedly clamped in the second annular clamping groove to limit the third bearing.
4. The roller transmission assembly of the pipeline robot as claimed in claim 2 or 3, wherein one end of the sleeve close to the second bearing extends outwards along the length direction to form a first annular boss, the first annular boss and the sleeve are integrally formed, the outer diameter of the first annular boss is smaller than that of the sleeve, a first positioning hole penetrates through the upper edge of the first annular boss, a second positioning hole penetrates through the first rotating shaft along the radial direction, the first positioning hole and the second positioning hole are coaxially arranged, the first positioning member is inserted into the first positioning hole and the second positioning hole to fasten the worm and the first rotating shaft, and the tail end of the first annular boss abuts against the other side of the inner ring of the second bearing;
one end of the gear, which is close to the fourth bearing, extends outwards along the length direction to form a second annular boss, the second annular boss and the gear are integrally formed, the outer diameter of the second annular boss is smaller than that of the gear, a third positioning hole is formed in the second annular boss in a penetrating mode, a fourth positioning hole is formed in the second rotating shaft in a penetrating mode, the third positioning hole and the fourth positioning hole are coaxially arranged, the second positioning piece is inserted into the third positioning hole and the fourth positioning hole to fasten the gear and the second rotating shaft, and the tail end of the second annular boss abuts against the other side of the inner ring of the fourth bearing.
5. The pipeline robot roller transmission assembly of claim 4, wherein the end of the first rotating shaft located at the box body is provided with a flange plate fixedly connected with the rotating shaft of the driving roller.
6. The roller transmission assembly of the pipeline robot as claimed in claim 5, wherein the box body is provided with a bottom plate, and the end surfaces of the four side plates are provided with threaded holes for connecting with the pipeline robot body.
7. The roller transmission assembly of the pipeline robot as claimed in claim 6, wherein the second rotating shaft is a stepped shaft comprising a first section, a second section and a third section which are fixedly connected in sequence;
the end surfaces of the first section and the second section are circular, the end surface of the third section is non-circular, the third bearing and the fourth bearing are sleeved on the first section, and the inner ring of the fourth bearing is abutted against the step surfaces of the first section and the second section; the diameter of the second section is larger than that of the first section, and meanwhile, the diameter of the second section is larger than that of a circumscribed circle of the end face of the third section; the second section is sleeved with a second framework sealing ring and a second felt sealing ring; the third section is located outside the box body.
8. The pipeline robot roller transmission assembly of claim 7, wherein the second rotating shaft is a hollow shaft, and the corresponding cavity of the third section is a threaded hole.
9. The pipeline robot roller transmission assembly of claim 7, wherein the end surface of the third section is triangular.
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| CN201920743564.2U CN210069253U (en) | 2019-05-22 | 2019-05-22 | Pipeline robot roller transmission assembly |
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| CN201920743564.2U CN210069253U (en) | 2019-05-22 | 2019-05-22 | Pipeline robot roller transmission assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132119A (en) * | 2021-10-21 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Anti-pollution antiwind's gyro wheel |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132119A (en) * | 2021-10-21 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Anti-pollution antiwind's gyro wheel |
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