Oil leakage prevention mechanism of speed reducer

Abstract

The invention relates to the technical field of speed reducers, and discloses a speed reducer oil leakage prevention mechanism which comprises a speed reducer body. The output shaft and the input shaft are arranged at the two ends of the reduction gearbox body, and a reduction mechanism is arranged between the input shaft and the output shaft; the connecting pipes are arranged at the two ends of the reduction gearbox body, sealing pipes are connected to the connecting pipes, and sealing pieces arranged on the output shaft and the input shaft in a sleeving mode are connected into the sealing pipes; the cleaning ring is arranged in the connecting pipe, a plurality of arc-shaped plates are arranged at the end, close to the sealing pipe, of the cleaning ring, and the arc-shaped plates can be spliced into a circular ring matched with the output shaft and the input shaft; compared with a speed reducer in the prior art, only the lubricating work of the speed reducer is solved, and the problems that during actual operation, impurities and abrasion particles are usually accumulated on a transmission shaft of the speed reducer, and when lubricating oil with the particles is guided to the output shaft, the output shaft and a sealing element are damaged, and the service life of the speed reducer is prolonged can be solved. And the problem that the lubricating oil leaks between the output shaft and the sealing element is solved.

Description

Technical Field

[0001] The invention relates to the technical field of reducers, and in particular to an oil leakage prevention mechanism for reducers. Background Art

[0002] The reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.

[0003] The existing gear reducer needs to be lubricated when in use.

[0004] However, in actual operation, impurities and wear particles are usually accumulated on the transmission shaft of the reducer. When the lubricating oil with particles is guided to the output shaft, it will damage the output shaft and the sealing element, causing the lubricating oil to leak from between the output shaft and the sealing element. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a reducer oil leakage prevention mechanism in which lubricating oil will not leak, aiming to alleviate the above-mentioned problems at least to a certain extent.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: A reducer oil leakage prevention mechanism, comprising: Gearbox body; An output shaft and an input shaft are arranged at both ends of the reduction box body, and a reduction mechanism is arranged between the input shaft and the output shaft; Connecting pipes are arranged at both ends of the reduction box body, the connecting pipes are connected to sealing pipes, and the sealing pipes are connected to sealing members sleeved with the output shaft and the input shaft; A cleaning ring disposed in the connecting tube, wherein one end of the cleaning ring close to the sealing tube is provided with a plurality of arc-shaped plates, and the plurality of arc-shaped plates can be spliced ​​into a circular ring adapted to the output shaft and the input shaft; A plurality of cleaning rollers disposed in the cleaning ring; A moving part disposed in the connecting tube, used to allow the cleaning ring to reciprocate on a preset path in the connecting tube, and the cleaning ring can move when the output shaft and the input shaft rotate; Wherein, the plurality of arc-shaped plates can move away from the center of the connecting pipe when the cleaning ring moves toward the connecting pipe, and the plurality of arc-shaped plates can move toward the center of the connecting pipe when the cleaning ring moves toward the speed reduction mechanism; Wherein, the plurality of cleaning rollers can rotate when the cleaning ring moves.

[0007] Preferably, the cleaning ring is provided with a plurality of connecting shafts, the connecting shafts are rotatably connected to rollers, the rollers can drive the connecting shafts to rotate when the cleaning ring moves in the direction of the sealing tube, and the rollers can idle on the connecting shaft when the cleaning ring moves away from the sealing tube, the outer wall of the connecting shaft is provided with a connecting groove, the inner wall of the connecting groove is provided with a plurality of clamping grooves, a connecting rod is slidably connected in the connecting groove, a connecting port is provided on one side of the connecting rod, a clamping rod adapted to the connecting groove is slidably connected in the connecting port, a first spring is connected between the clamping rod and the connecting groove, a first traction rope is connected to the connecting rod, the first traction rope passes through the cleaning ring and is connected to the arc plate, a second spring is connected between the arc plate and the cleaning ring, and the clamping groove is a semi-spherical groove.

[0008] Preferably, a ratchet mechanism is provided between the connecting shaft and the roller.

[0009] Preferably, a plurality of guide rods are provided in the connecting tube, one end of the guide rod is connected to a second traction rope, the second traction rope is wound around the roller, a plurality of brackets are connected to the inner side wall of the connecting tube, a connecting frame is connected to the bracket, a first gear is rotatably connected to the connecting frame, a third spring is connected between the first gear and the connecting frame, and a second gear meshing with the first gear is connected to the roller.

[0010] Preferably, one side of the cleaning ring is connected to a limiting frame, the arc plate is slidably connected to the limiting frame, and the second spring is connected between the limiting frame and the arc plate.

[0011] Preferably, a sewage outlet is provided at the bottom of the cleaning ring.

[0012] Preferably, the inner wall of the cleaning ring is provided with a plurality of guiding arc grooves connected with the sewage outlet, corresponding to the positions of the cleaning rollers.

[0013] Preferably, the moving component includes a first frame connected to the connecting tube, a reciprocating screw rod is rotatably connected to the first frame, a second frame is connected to the cleaning ring, and the second frame is threadedly connected to the reciprocating screw rod.

[0014] Preferably, a plurality of limit rods are connected to one side of the second frame, a first sprocket is rotatably connected to the limit rod, a second sprocket connected to the cleaning roller is provided on one side of the cleaning ring, a chain is connected between the first sprocket and the second sprocket, a sliding groove is provided on the reciprocating screw rod, and a slider slidably connected to the sliding groove is connected to the first sprocket.

[0015] Preferably, the moving component also includes a third gear connected to the output shaft and the input shaft, a fourth gear is rotatably provided on one side of the connecting tube, a fifth gear meshing with the third gear and the fourth gear is also rotatably provided on one side of the connecting tube, a sixth gear meshing with the fourth gear is connected to the reciprocating screw, a bearing is connected to the first frame, and an inner ring of the bearing is connected to the output shaft and the input shaft.

[0016] In summary, the present invention mainly has the following beneficial effects: By setting the input shaft, the operator can connect the input power source, such as the drive shaft of the motor, to the input shaft. The rotation of the input shaft can make the output shaft rotate through the reduction mechanism. When in use, the lubricating liquid can be sprayed on the reduction mechanism, and the lubricating liquid can lubricate and cool the reduction mechanism. During lubrication, the wear particles of the reduction mechanism, the input shaft, and the output shaft may be splashed on the seal due to the rotation of the internal components of the reduction mechanism and the rotation of the input shaft and the output shaft. The wear particles will damage the seal as the output shaft and the input shaft rotate. For this reason, when working, the driving component set can move the position of the cleaning ring when the output shaft and the input shaft rotate. When the cleaning ring moves in the direction of the sealing tube, it can make multiple arc plates move away from the cleaning ring and not contact the input shaft and the output shaft, so as to avoid the lubricating grease and wear particles on the output shaft and the input shaft being pushed to the seal due to the push of the arc plate. When the cleaning ring moves to the preset position in the direction of the sealing tube, the cleaning ring can generate a reset movement. When the cleaning ring moves away from the sealing tube, the multiple arc plates can move toward the ring of the cleaning ring, and the multiple ring bodies can be spliced ​​into an adapter The circular ring of the input shaft and the output shaft, the circular ring spliced ​​by the arc plate is sleeved on the output shaft and the input shaft, and following the reset of the cleaning ring, the lubricating grease on the input shaft and the output shaft and the wear particles in the lubricating grease can be scraped off, thereby ensuring the cleanliness of the output shaft and the input shaft, and the wear particles can be scraped off from the output shaft and the input shaft, thereby avoiding the problem of wear particles accumulating on the seal and causing damage to the seal. At the same time, the multiple cleaning rollers provided can rotate when the cleaning ring moves, and the brushes on the multiple cleaning rollers can rotate, and then cooperate with the self-rotation of the output shaft and the input shaft, so as to brush off the wear particles on the two, thereby improving the cleaning effect of the output shaft and the input shaft, and also reducing the workload of the arc plate, and increasing the service life of the arc plate. Compared with the reducer in the prior art, only the lubrication work of the reducer is solved. The present application can solve the problem that impurities and wear particles are usually accumulated on the transmission shaft of the reducer during actual operation, and the lubricating oil with particles will damage the output shaft and the sealing element when it is guided to the output shaft, thereby causing the lubricating oil to leak from the output shaft and the sealing element. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the reduction gearbox of the present invention; Figure 3 It is a schematic diagram of the structure of the speed reduction mechanism of the present invention; Figure 4 It is a schematic diagram of the connecting pipe structure of the present invention; Figure 5 It is a schematic diagram of the structure of the first frame and the second frame of the present invention; Figure 6 yes Figure 5 A schematic diagram of the enlarged local structure at point A in the middle; Figure 7 It is a schematic diagram of the cleaning ring structure of the present invention; Figure 8 It is a schematic diagram of the roller structure of the present invention; Fig. 9 It is a schematic diagram of the connecting rod structure of the present invention; Fig.10 It is a schematic diagram of the connecting shaft structure of the present invention.

[0018] Reference numerals: 100, reduction box; 101, output shaft; 102, input shaft; 103, reduction mechanism; 104, connecting pipe; 105, sealing pipe; 106, sealing element; 107, cleaning ring; 108, arc plate; 109, cleaning roller; 200, connecting shaft; 201, roller; 202, connecting groove; 203, clamping groove; 204, connecting rod; 205, connecting port; 206, clamping rod; 207, first spring; 208, first traction rope; 209, second spring; 210, ratchet mechanism; 300, guide rod; 301, second traction rope; 302, bracket; 303, connecting frame; 304, first gear; 305, third spring; 306, second gear; 307, limit frame; 308, sewage outlet; 309, guide arc groove; 400, first frame; 401, reciprocating screw rod; 402, limit rod; 403, first sprocket; 404, second sprocket; 405, chain; 406, slide groove; 407, slider; 408, third gear; 409, fourth gear; 410, fifth gear; 411, sixth gear; 412, bearing; 413, second frame. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] refer to Figure 1-Figure 10 , a reducer oil leakage prevention mechanism, comprising: Reduction gearbox 100; An output shaft 101 and an input shaft 102 are provided at both ends of the reduction gearbox body 100, and a reduction mechanism 103 is provided between the input shaft 102 and the output shaft 101; Connecting pipes 104 are provided at both ends of the reduction gearbox 100, and the connecting pipes 104 are connected to sealing pipes 105, and the sealing pipes 105 are connected to sealing members 106 sleeved with the output shaft 101 and the input shaft 102; A cleaning ring 107 is disposed in the connecting tube 104. A plurality of arc plates 108 are disposed at one end of the cleaning ring 107 close to the sealing tube 105. The plurality of arc plates 108 can be spliced ​​into a circular ring adapted to the output shaft 101 and the input shaft 102. A plurality of cleaning rollers 109 disposed in the cleaning ring 107; A moving part disposed in the connecting tube 104, used to allow the cleaning ring 107 to reciprocate on a preset path in the connecting tube 104, and the cleaning ring 107 can move when the output shaft 101 and the input shaft 102 rotate; The plurality of arc-shaped plates 108 can move away from the center of the connecting tube 104 when the cleaning ring 107 moves toward the connecting tube 104, and the plurality of arc-shaped plates 108 can move toward the center of the connecting tube 104 when the cleaning ring 107 moves toward the speed reduction mechanism 103; Wherein, the plurality of cleaning rollers 109 can rotate when the cleaning ring 107 moves; By setting the input shaft 102, the operator can connect the input power source, such as the drive shaft of the motor, to the input shaft 102. The rotation of the input shaft 102 can make the output shaft 101 rotate through the reduction mechanism 103. When in use, the lubricating liquid can be sprayed on the reduction mechanism 103, and the lubricating liquid lubricates and cools the reduction mechanism 103. During lubrication, the wear particles of the reduction mechanism 103, the input shaft 102, and the output shaft 101 may be splashed on the seal 106 due to the rotation of the internal parts of the reduction mechanism 103 and the rotation of the input shaft 102 and the output shaft 101. The wear particles will damage the seal 106 as the output shaft 101 and the input shaft 102 rotate. For this reason, when working, set The driving component can rotate the output shaft 101 and the input shaft 102 to move the position of the cleaning ring 107. When the cleaning ring 107 moves toward the sealing tube 105, the multiple arc plates 108 can move away from the cleaning ring 107 and do not contact the input shaft 102 and the output shaft 101, so as to avoid the lubricating grease and wear particles on the output shaft 101 and the input shaft 102 being pushed toward the sealing member 106 due to the pushing of the arc plates 108. When the cleaning ring 107 moves to a preset position in the direction of the sealing tube 105, the cleaning ring 107 can generate a reset movement. When the cleaning ring 107 moves away from the sealing tube 105, the multiple arc plates 108 can move toward the annular shape of the cleaning ring 107. The plurality of ring bodies can be spliced ​​into a circular ring adapted to the input shaft 102 and the output shaft 101, and the circular ring spliced ​​by the arc plate 108 is sleeved on the output shaft 101 and the input shaft 102, and following the reset of the cleaning ring 107, the lubricating grease on the input shaft 102 and the output shaft 101 and the wear particles in the lubricating grease can be scraped off, thereby ensuring the cleanliness of the output shaft 101 and the input shaft 102, and the wear particles can be scraped off the output shaft 101 and the input shaft 102, thereby avoiding the problem of wear particles accumulating at the seal 106 and causing damage to the seal 106. At the same time, the plurality of cleaning rollers 109 can rotate when the cleaning ring 107 generates movement, and the plurality of cleaning rollers 109 can rotate when the cleaning ring 107 generates movement. The brush on the roller 109 can rotate, and in conjunction with the self-rotation of the output shaft 101 and the input shaft 102, the wear particles on the two can also be brushed off, thereby improving the cleaning effect of the output shaft 101 and the input shaft 102, and also reducing the workload of the arc plate 108, thereby increasing the service life of the arc plate 108. Compared with the reducer in the prior art, which only solves the lubrication work of the reducer, the present application can solve the problem that in actual operation, impurities and wear particles are usually accumulated on the transmission shaft of the reducer, and the lubricating oil with particles is guided to the output shaft 101, which will cause damage to the output shaft 101 and the sealing element, thereby causing the lubricating oil to leak from the output shaft 101 and the sealing element.

[0021] As a further solution of the present invention, a plurality of connecting shafts 200 are provided in the cleaning ring 107, and a roller 201 is rotatably connected to the connecting shaft 200. The roller 201 can drive the connecting shaft 200 to rotate when the cleaning ring 107 moves toward the sealing tube 105, and the roller 201 can idle on the connecting shaft 200 when the cleaning ring 107 moves away from the sealing tube 105. The outer wall of the connecting shaft 200 is provided with a connecting groove 202, and the inner wall of the connecting groove 202 is provided with a plurality of card grooves 203. The connecting groove 202 A connecting rod 204 is slidably connected inside, a connecting port 205 is opened on one side of the connecting rod 204, a clamping rod 206 adapted to the connecting groove 202 is slidably connected inside the connecting port 205, a first spring 207 is connected between the clamping rod 206 and the connecting groove 202, a first traction rope 208 is connected to the connecting rod 204, the first traction rope 208 passes through the cleaning ring 107 and is connected to the arc plate 108, a second spring 209 is connected between the arc plate 108 and the cleaning ring 107, and the clamping groove 203 is a semi-spherical groove; By setting the roller 201, the roller 201 can drive the connecting shaft 200 to rotate when the cleaning ring 107 moves in the direction of the sealing tube 105. The rotation of the connecting shaft 200 can make the connecting rod 204 pull the first traction rope 208 through the friction between the card slot 203 and the card rod 206. The first traction rope 208 can move the position of the arc plate 108 to compress the second spring 209. When the arc plate 108 moves to the extreme position and the roller 201 continues to rotate, the card slot 203 can squeeze the card rod 206 to make the card rod 206 shrink in the connecting port 205. At this time, the connecting rod 204 slides in the connecting groove 202, so that when the cleaning ring 107 moves in the direction of the sealing tube 105, the arc plate 108 can be kept away from the cleaning ring. The purpose of the circular motion of 107 is that the roller 201 can idle on the connecting shaft 200 when the cleaning ring 107 moves away from the sealing tube 105, and the connecting shaft 200 no longer pulls the first traction rope 208 through the slot 203 and the clamping rod 206. The arc plate 108 is reset by the force of the second spring 209 until the arc plate 108 contacts the input shaft 102 or the output shaft 101. The first traction rope 208 is perpendicular to the axis of the connecting shaft 200. Because the roller 201 idles on the connecting shaft 200, that is, it no longer pulls the first traction rope 208, it can ensure that the arc plate 108 can contact the input shaft 102 or the output shaft 101 when the cleaning ring 107 moves away from the sealing tube 105, so that the circular ring formed by multiple arc plates 108 can scrape off the wear particles.

[0022] As a further solution of the present invention, a ratchet mechanism 210 is provided between the connecting shaft 200 and the roller 201; By setting the ratchet mechanism 210, the setting of the ratchet mechanism 210 can achieve the purpose of driving the connecting shaft 200 to rotate when the roller 201 rotates counterclockwise, and idling on the connecting shaft 200 when the roller 201 rotates clockwise.

[0023] As a further solution of the present invention, a plurality of guide rods 300 are provided in the connecting tube 104, one end of the guide rod 300 is connected to a second traction rope 301, the second traction rope 301 is wound on the roller 201, a plurality of brackets 302 are connected to the inner side wall of the connecting tube 104, a connecting frame 303 is connected to the bracket 302, a first gear 304 is rotatably connected to the connecting frame 303, a third spring 305 is connected between the first gear 304 and the connecting frame 303, and a second gear 306 meshing with the first gear 304 is connected to the roller 201; By setting the second traction rope 301, in the initial state, the cleaning ring 107 is located at the extreme position away from the sealing tube 105. When the cleaning ring 107 moves in the direction of the sealing tube 105, the second traction rope 301 can be pulled, and the second traction rope 301 is gradually released on the roller 201, and the roller 201 can rotate. The rotation of the roller 201 can rotate the connecting shaft 200 through the ratchet mechanism 210 to achieve the purpose of pulling the first traction rope 208. When the roller 201 rotates counterclockwise, the first gear 304 can be rotated through the second gear 306. At this time, the third spring 305 is twisted due to the rotation of the first gear 304, generating potential energy, and the cleaning ring 107 When resetting after moving to the extreme position, the roller 201 can be subjected to the force of the third spring 305 and rotate through the first gear 304 and the second gear 306, and the ratchet mechanism 210 set will not drive the connecting shaft 200 to rotate. The connecting shaft 200 rotates to a preset angle under the influence of the first traction rope 208 and then stops. At this time, the arc plate 108 moves and contacts the output shaft 101 or the input shaft 102, and the roller 201 resets and rotates to reel in the second traction rope 301, so that the roller 201 can rotate and drive the connecting shaft 200 to rotate when moving toward the sealing tube 105, and the roller 201 can idle on the connecting shaft 200 when moving away from the sealing tube 105.

[0024] As a further solution of the present invention, one side of the cleaning ring 107 is connected to a limiting frame 307, the arc plate 108 is slidably connected to the limiting frame 307, and the second spring 209 is connected between the limiting frame 307 and the arc plate 108; By providing the limiting frame 307 , the limiting frame 307 can limit the position of the arc plate 108 .

[0025] As a further solution of the present invention, a sewage outlet 308 is provided at the bottom of the cleaning ring 107; By providing the drain port 308 , when the arc-shaped plate 108 scrapes particles off the output shaft 101 or the input shaft 102 , the particles can be discharged from the drain port 308 .

[0026] As a further solution of the present invention, the inner wall of the cleaning ring 107 is provided with a plurality of guide arc grooves 309 communicating with the sewage outlet 308 , corresponding to the position of the cleaning roller 109 ; By setting the guiding arc groove 309, the lubricating grease brushed off by the cleaning roller 109 can be thrown onto the guiding arc groove 309. When the wear particles are thrown onto the guiding arc groove 309, they can merge with the lubricating grease and be guided to the drain port 308 by utilizing the viscosity of the lubricating grease, thereby avoiding the problem of the wear particles hitting the inner wall of the cleaning ring 107 and rebounding again onto the output shaft 101 or the input shaft 102.

[0027] As a further solution of the present invention, the moving part includes a first frame 400 connected to the connecting tube 104, a reciprocating screw 401 is rotatably connected to the first frame 400, a second frame 413 is connected to the cleaning ring 107, and the second frame 413 is threadedly connected to the reciprocating screw 401; By setting the reciprocating screw 401, when in use, the reciprocating screw 401 can be rotated, and the rotation of the reciprocating screw 401 can use the force of the thread to allow the second frame 413 to move, so as to achieve the purpose of making the second frame 413 and the cleaning ring 107 reciprocate on a preset path in the connecting tube 104.

[0028] As a further solution of the present invention, a plurality of limiting rods 402 are connected to one side of the second frame 413, and a first sprocket 403 is rotatably connected to the limiting rod 402. A second sprocket 404 connected to the cleaning roller 109 is provided on one side of the cleaning ring 107, and a chain 405 is connected between the first sprocket 403 and the second sprocket 404. A slide groove 406 is provided on the reciprocating screw rod 401, and a slider 407 slidably connected to the slide groove 406 is connected to the first sprocket 403; By setting a reciprocating screw rod 401, when the reciprocating screw rod 401 rotates to move the second bracket 302, the first sprocket 403 can be driven to move. The set slide groove 406 and slider 407 can drive the second sprocket 404 to rotate when the reciprocating screw rod 401 rotates, that is, the second sprocket 404 can rotate during linear motion, so that the cleaning roller 109 can be rotated through the chain 405 and the second sprocket 404, thereby achieving the purpose of allowing the cleaning roller 109 to rotate when the cleaning ring 107 moves to improve the cleaning effect of the output shaft 101 and the input shaft 102.

[0029] As a further solution of the present invention, the moving part also includes a third gear 408 connected to the output shaft 101 and the input shaft 102, a fourth gear 409 is rotatably connected to one side of the connecting tube 104, a fifth gear 410 meshing with the third gear 408 and the fourth gear 409 is also rotatably connected to one side of the connecting tube 104, a sixth gear 411 meshing with the fourth gear 409 is connected to the reciprocating screw 401, a bearing 412 is connected to the first frame 400, and the inner ring of the bearing 412 is connected to the output shaft 101 and the input shaft 102; By setting the bearing 412, the setting of the bearing 412 can support the input shaft 102 or the output shaft 101. When the input shaft 102 and the output shaft 101 rotate, the fifth gear 410 can be driven to rotate through the third gear 408. The fifth gear 410 can drive the fourth gear 409 to rotate. The rotation of the fourth gear 409 can drive the sixth gear 411 on the reciprocating screw rod 401 to rotate, so as to achieve the purpose of allowing the reciprocating screw rod 401 to rotate with the output shaft 101 and the input shaft 102.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reducer oil leakage prevention mechanism, characterized in that: include: Gearbox body (100); An output shaft (101) and an input shaft (102) are provided at two ends of the reduction gearbox (100), and a reduction mechanism (103) is provided between the input shaft (102) and the output shaft (101); Connecting pipes (104) are provided at both ends of the reduction gearbox (100), the connecting pipes (104) are connected to sealing pipes (105), and the sealing pipes (105) are connected to sealing members (106) sleeved with the output shaft (101) and the input shaft (102); a cleaning ring (107) disposed in the connecting tube (104), wherein one end of the cleaning ring (107) close to the sealing tube (105) is provided with a plurality of arc-shaped plates (108), and the plurality of arc-shaped plates (108) can be spliced ​​into a circular ring adapted to fit the output shaft (101) and the input shaft (102); A plurality of cleaning rollers (109) disposed in the cleaning ring (107); a moving component disposed in the connecting tube (104), used to allow the cleaning ring (107) to reciprocate on a preset path in the connecting tube (104), the cleaning ring (107) being able to move when the output shaft (101) and the input shaft (102) rotate; The plurality of arc-shaped plates (108) are capable of moving away from the center of the connecting tube (104) when the cleaning ring (107) moves toward the connecting tube (104), and the plurality of arc-shaped plates (108) are capable of moving toward the center of the connecting tube (104) when the cleaning ring (107) moves toward the speed reduction mechanism (103); The plurality of cleaning rollers (109) are capable of rotating when the cleaning ring (107) moves.

2. The reducer oil leakage prevention mechanism according to claim 1, characterized in that: A plurality of connecting shafts (200) are arranged in the cleaning ring (107), and a roller (201) is rotatably connected to the connecting shaft (200). The roller (201) can drive the connecting shaft (200) to rotate when the cleaning ring (107) moves in the direction of the sealing tube (105), and the roller (201) can idle on the connecting shaft (200) when the cleaning ring (107) moves away from the sealing tube (105). A connecting groove (202) is provided on the outer side wall of the connecting shaft (200), and a plurality of clamping grooves (203) are provided on the inner side wall of the connecting groove (202). A connecting rod is slidably connected in the connecting groove (202). (204), a connecting port (205) is provided on one side of the connecting rod (204), a clamping rod (206) adapted to the connecting groove (202) is slidably connected in the connecting port (205), a first spring (207) is connected between the clamping rod (206) and the connecting groove (202), a first traction rope (208) is connected to the connecting rod (204), the first traction rope (208) passes through the cleaning ring (107) and is connected to the arc plate (108), a second spring (209) is connected between the arc plate (108) and the cleaning ring (107), and the clamping groove (203) is a semi-spherical groove.

3. The reducer oil leakage prevention mechanism according to claim 2, characterized in that: A ratchet mechanism (210) is provided between the connecting shaft (200) and the roller (201).

4. The reducer oil leakage prevention mechanism according to claim 2, characterized in that: A plurality of guide rods (300) are arranged in the connecting tube (104), one end of the guide rod (300) is connected to a second traction rope (301), the second traction rope (301) is wound around the roller (201), the inner side wall of the connecting tube (104) is connected to a plurality of brackets (302), the brackets (302) are connected to a connecting frame (303), the connecting frame (303) is rotatably connected to a first gear (304), a third spring (305) is connected between the first gear (304) and the connecting frame (303), and the roller (201) is connected to a second gear (306) meshing with the first gear (304).

5. The reducer oil leakage prevention mechanism according to claim 3, characterized in that: One side of the cleaning ring (107) is connected to a limiting frame (307), the arc-shaped plate (108) is slidably connected to the limiting frame (307), and the second spring (209) is connected between the limiting frame (307) and the arc-shaped plate (108).

6. The reducer oil leakage prevention mechanism according to claim 1, characterized in that: The bottom of the cleaning ring (107) is provided with a sewage outlet (308).

7. The reducer oil leakage prevention mechanism according to claim 6, characterized in that: The inner wall of the cleaning ring (107) is provided with a plurality of guide arc grooves (309) which are in communication with the sewage outlet (308) and correspond to the positions of the cleaning rollers (109).

8. The reducer oil leakage prevention mechanism according to claim 1, characterized in that: The moving component comprises a first frame (400) connected to the connecting tube (104), a reciprocating screw rod (401) being rotatably connected to the first frame (400), a second frame (413) being connected to the cleaning ring (107), and the second frame (413) being threadedly connected to the reciprocating screw rod (401).

9. The reducer oil leakage prevention mechanism according to claim 8, characterized in that: A plurality of limit rods (402) are connected to one side of the second frame (413), and a first sprocket (403) is rotatably connected to the limit rod (402). A second sprocket (404) connected to the cleaning roller (109) is provided on one side of the cleaning ring (107), and a chain (405) is connected between the first sprocket (403) and the second sprocket (404). A sliding groove (406) is provided on the reciprocating screw rod (401), and a sliding block (407) slidably connected to the sliding groove (406) is connected to the first sprocket (403).

10. The reducer oil leakage prevention mechanism according to claim 8, characterized in that: The moving component also includes a third gear (408) connected to the output shaft (101) and the input shaft (102); a fourth gear (409) is rotatably connected to one side of the connecting tube (104); a fifth gear (410) meshing with the third gear (408) and the fourth gear (409) is also rotatably connected to one side of the connecting tube (104); a sixth gear (411) meshing with the fourth gear (409) is connected to the reciprocating screw (401); a bearing (412) is connected to the first frame (400); and an inner ring of the bearing (412) is connected to the output shaft (101) and the input shaft (102).

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