CN220204590U - Wear-resistant gear shaft - Google Patents
Wear-resistant gear shaft Download PDFInfo
- Publication number
- CN220204590U CN220204590U CN202321295644.9U CN202321295644U CN220204590U CN 220204590 U CN220204590 U CN 220204590U CN 202321295644 U CN202321295644 U CN 202321295644U CN 220204590 U CN220204590 U CN 220204590U
- Authority
- CN
- China
- Prior art keywords
- limiting
- face
- sleeve
- gear
- shaft body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 43
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 13
- 238000005299 abrasion Methods 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 description 11
- 239000004519 grease Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The anti-wear gear shaft comprises a gear part and a plurality of gear teeth which are circumferentially and uniformly arranged on the gear part, wherein a left shaft body is arranged on the left side of the gear part, a right shaft body is arranged on the right side of the gear part, and a left screw hole is formed in the center of the left end face of the gear part; the center of the right end face of the left shaft body is provided with a left screw joint which is screwed in the left screw hole; the center of the right end face of the gear part is provided with a right screw hole, and the center of the left end face of the right shaft body is provided with a right screw joint which is screwed in the right screw hole; the right end of the left shaft body is provided with a left limit structure matched with the gear part; the right side of the gear part is provided with a right limit sleeve which is attached to the right end face of the gear part. The anti-abrasion gear shaft can effectively avoid abrasion of the gear part, prolong the service life of the gear shaft, only need to replace part of abrasion when one part of the left shaft body, the right shaft body or the gear part is abraded and damaged, and can not replace the whole gear shaft, thereby effectively reducing the replacement cost.
Description
Technical Field
The utility model relates to a gear shaft, in particular to an anti-abrasion gear shaft.
Background
The gear shaft is a mechanical part for supporting the rotating part and rotating together with the rotating part to transfer motion, torque or bending moment, and generally consists of a gear part, a left shaft body arranged on the left side of the gear part and a right shaft body arranged on the right side of the gear, and the traditional gear shaft is integrally formed, so that once the left shaft body, the right shaft body or the gear part is worn and needs to be replaced, the whole gear shaft can only be replaced, the replacement cannot be partially performed, the replacement cost is extremely high, the gear part of the gear shaft needs to be meshed with transmission teeth of other parts for a long time, and therefore the gear teeth of the gear part are extremely easy to wear, and finally the service life of the gear shaft is short.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an anti-abrasion gear shaft, which not only can effectively avoid abrasion of a gear part and prolong the service life of the gear shaft, but also can only replace a part of abrasion when one part of a left shaft body, a right shaft body or the gear part is abraded and damaged, and can not replace the whole gear shaft, thereby effectively reducing the replacement cost.
The technical scheme adopted for solving the technical problems is as follows:
the utility model discloses an anti-wear gear shaft, which comprises a gear part and a plurality of gear teeth which are uniformly arranged on the circumference of the gear part, wherein a left shaft body is arranged on the left side of the gear part, a right shaft body is arranged on the right side of the gear part, and a left screw hole is arranged in the center of the left end face of the gear part; the center of the right end face of the left shaft body is provided with a left screw joint which is screwed in the left screw hole; the center of the right end face of the gear part is provided with a right screw hole, and the center of the left end face of the right shaft body is provided with a right screw joint which is screwed in the right screw hole; the right end of the left shaft body is provided with a left limit structure matched with the gear part; a right limiting sleeve attached to the right end face of the gear part is arranged on the right side of the gear part, and the right limiting sleeve is sleeved outside the right shaft body; the inner wall of the right limit sleeve is provided with a plurality of first right limit grooves which are uniformly distributed in the circumference; the right shaft body is provided with a right limiting part which is annular; a right compression sleeve sleeved outside the right shaft body is arranged between the left side wall of the right limiting part and the right side wall of the right limiting sleeve; the inner wall of the right pressing sleeve is provided with a plurality of second right limiting grooves communicated with the first right limiting grooves; the side wall of the right limiting part is provided with a right telescopic hole communicated with the second right limiting groove; a plurality of first right limiting blocks matched with the first right limiting grooves are arranged on the right end face of the gear part; a second right limiting block matched with the second right limiting groove is arranged in the second right limiting groove, and the left end of the second right limiting block penetrates into the first right limiting groove leftwards and is propped against the right end face of the first right limiting block; a right telescopic rod is arranged in the center of the right end face of the second right limiting block; the right end of the right telescopic rod rightwards passes through the right telescopic hole corresponding to the right telescopic rod; and a right spring sleeved outside the right telescopic rod is arranged between the right end face of the second right limiting block and the left side wall of the right limiting part.
The left limiting structure comprises a left limiting sleeve sleeved outside the right end of the left shaft body, and the right end face of the left limiting sleeve is attached to the left end face of the gear part; the outer wall of the left shaft body is provided with a left limiting part which is annular; a left compression sleeve sleeved outside the left shaft body is arranged between the right side wall of the left limiting part and the left side wall of the left limiting sleeve; the inner wall of the left limit sleeve is provided with a plurality of first left limit grooves which are uniformly distributed in a circumference manner; the inner wall of the left compression sleeve is provided with a plurality of second left limit grooves communicated with the first left limit grooves; the left side wall of the left limiting part is provided with a plurality of left telescopic holes communicated with the second left limiting groove; a plurality of first left limiting blocks matched with the first left limiting grooves are arranged on the left end face of the gear part; a second left limiting block matched with the second left limiting groove is arranged in the right part of the second left limiting groove, and the right end of the second left limiting block rightwards penetrates into the first left limiting groove and is propped against the first left limiting block; a left telescopic rod is arranged in the center of the left end face of the second left limiting block; the left end of the left telescopic rod penetrates through the left telescopic hole leftwards; and a left spring sleeved outside the left telescopic rod is arranged between the left end face of the second left limiting block and the right side wall of the left limiting part.
A left sliding sleeve sleeved outside the left shaft body is arranged at the left side of the left limiting part; the left sliding sleeve is provided with a plurality of left perforations corresponding to the positions of the left telescopic rods; the left end of the left telescopic rod passes through the left through hole corresponding to the left telescopic rod leftwards and is in threaded connection with a left limit nut; a right sliding sleeve sleeved outside the right shaft body is arranged on the right side of the right limiting part; the right sliding sleeve is provided with a plurality of right perforations corresponding to the positions of the right telescopic rods; the right end of the right telescopic rod passes through the right through hole corresponding to the right telescopic rod rightwards and is in threaded connection with a right limit nut.
A left rubber sleeve sleeved outside the left telescopic rod is arranged between the right side wall of the left sliding sleeve and the left side wall of the left limiting part; and a right rubber sleeve sleeved outside the right telescopic rod is arranged between the left side wall of the right sliding sleeve and the right side wall of the right limiting part.
The right end face of the right limit sleeve is provided with a left annular oil storage tank; the left end face of the right pressing sleeve is provided with a right oil storage tank opposite to the left oil storage tank; an oil outlet communicated with the left oil storage tank is formed in the outer edge of the left end face of the left limit sleeve; and the hole at the left end of the oil outlet is opposite to the gap between two adjacent gear teeth.
An axial oil through hole is formed in the bottom of the right oil storage tank; the upper surface of the right end of the right pressing sleeve is provided with an oil filling hole; a plug screw matched with the oil filling hole is screwed in the oil filling hole; the center of the bottom of the oil hole is provided with a radial oil hole communicated with the axial oil hole.
The left end face of the right pressing sleeve is provided with an annular outer sealing groove and an annular inner sealing groove; the right oil storage tank is positioned between the outer sealing groove and the inner sealing groove, and the right oil storage tank encloses the inner sealing groove; an outer sealing ring matched with the outer sealing groove is arranged in the outer sealing groove; and an inner sealing ring matched with the inner sealing groove is arranged in the inner sealing groove.
The beneficial effects of the utility model are as follows:
compared with the prior art, the left shaft body of the anti-abrasion gear shaft adopting the structure is fixedly connected with the gear part in a threaded manner through the left screwed joint, the right shaft body is fixedly connected with the gear part in a threaded manner through the right screwed joint, and the gear part, the left shaft body and the right shaft body are actually independent individuals, so that when the gear part, the left shaft body or the right shaft body are worn, only worn parts are needed to be replaced, the whole gear shaft is not needed to be replaced, the replacement cost is effectively saved, and when the gear shaft rotates, lubricating grease in the left oil storage tank and the right oil storage tank can automatically and outwards discharge oil through the oil outlet and fall into a gap between two adjacent gear teeth, the effect of automatic lubrication is achieved, and as the gear part is meshed with the transmission teeth of other parts, the lubricating grease can be finally distributed on the whole gear part, the lubricating sufficiency is guaranteed, and the anti-abrasion effect is effectively achieved.
Drawings
FIG. 1 is a schematic view of the structure of the wear resistant gear shaft of the present utility model;
fig. 2 is an enlarged view of a portion a of fig. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
referring to fig. 1 to 3, the present utility model provides an anti-wear gear shaft, which comprises a gear portion 1, a plurality of gear teeth 2 circumferentially and uniformly arranged on the gear portion 1, wherein a left shaft body 3 is arranged on the left side of the gear portion 1, a right shaft body 4 is arranged on the right side of the gear portion 1, and a left screw hole 5 is arranged in the center of the left end face of the gear portion 1; the center of the right end face of the left shaft body 3 is provided with a left screw joint 6 which is screwed in the left screw hole 5; the center of the right end face of the gear part 1 is provided with a right screw hole 7, and the center of the left end face of the right shaft body 4 is provided with a right screw joint 47 which is screwed in the right screw hole 7; the right end of the left shaft body 3 is provided with a left limit structure matched with the gear part 1; a right limit sleeve 8 attached to the right end face of the gear part 1 is arranged on the right side of the gear part, and the right limit sleeve 8 is sleeved outside the right shaft body; the inner wall of the right limit sleeve 8 is provided with a plurality of first right limit grooves 9 which are uniformly distributed in circumference; the right shaft body 4 is provided with a right limiting part 10 which is annular; a right compression sleeve 11 sleeved outside the right shaft body 4 is arranged between the left side wall of the right limiting part 10 and the right side wall of the right limiting sleeve 8; the inner wall of the right pressing sleeve 11 is provided with a plurality of second right limiting grooves 12 communicated with the first right limiting grooves 9; a right telescopic hole 13 communicated with the second right limiting groove 12 is formed in the side wall of the right limiting part 10; the right end face of the gear part 1 is provided with a plurality of first right limiting blocks 14 matched with the first right limiting grooves 9; a second right limiting block 15 matched with the second right limiting groove 12 is arranged in the second right limiting groove 12, and the left end of the second right limiting block 15 penetrates into the first right limiting groove 9 leftwards and is propped against the right end face of the first right limiting block 14; a right telescopic rod 16 is arranged in the center of the right end face of the second right limiting block 15; the right end of the right telescopic rod 16 passes through the right telescopic hole 13 corresponding to the right telescopic rod to the right; a right spring 17 sleeved outside the right telescopic rod 16 is arranged between the right end surface of the second right limiting block 15 and the left side wall of the right limiting part 10.
The left limiting structure comprises a left limiting sleeve 18 sleeved outside the right end of the left shaft body 3, and the right end face of the left limiting sleeve 18 is attached to the left end face of the gear part 1; the outer wall of the left shaft body 3 is provided with a left limit part 19 which is annular; a left compression sleeve 20 sleeved outside the left shaft body 3 is arranged between the right side wall of the left limiting part 19 and the left side wall of the left limiting sleeve 18; the inner wall of the left limit sleeve 18 is provided with a plurality of first left limit grooves 21 which are uniformly distributed in circumference; the inner wall of the left compression sleeve 20 is provided with a plurality of second left limit grooves 22 communicated with the first left limit grooves 21; the left side wall of the left limit part 19 is provided with a plurality of left telescopic holes 23 communicated with the second left limit groove 22; the left end face of the gear part 1 is provided with a plurality of first left limiting blocks 24 matched with the first left limiting grooves 21; a second left limiting block 25 matched with the second left limiting groove 22 is arranged in the right part of the second left limiting groove 22, and the right end of the second left limiting block 25 penetrates right into the first left limiting groove 21 and is propped against the first left limiting block 24; a left telescopic rod 26 is arranged in the center of the left end face of the second left limiting block 25; the left end of the left telescopic rod 26 passes through the left telescopic hole 23 leftwards; a left spring 27 sleeved outside the left telescopic rod 26 is arranged between the left end face of the second left limiting block 25 and the right side wall of the left limiting part 19.
The left side of the left limiting part 19 is provided with a left sliding sleeve 28 sleeved outside the left shaft body 3; the left sliding sleeve 28 is provided with a plurality of left perforations 29 corresponding to the positions of the left telescopic rods 26; the left end of the left telescopic rod 26 passes through a left through hole 29 corresponding to the left telescopic rod leftwards and is in threaded connection with a left limit nut 30; the right side of the right limiting part 10 is provided with a right sliding sleeve 31 sleeved outside the right shaft body 4; the right sliding sleeve 31 is provided with a plurality of right perforations 32 corresponding to the positions of the right telescopic rods 16; the right end of the right telescopic rod 16 passes through the right through hole 32 corresponding to the right telescopic rod to the right and is in threaded connection with a right limit nut 33.
A left rubber sleeve 34 sleeved outside the left telescopic rod 26 is arranged between the right side wall of the left sliding sleeve 28 and the left side wall of the left limiting part 19; a right rubber sleeve 35 sleeved outside the right telescopic rod 16 is arranged between the left side wall of the right sliding sleeve 31 and the right side wall of the right limiting part 10.
The right end face of the right limit sleeve 8 is provided with a left annular oil storage groove 36; the left end face of the right pressing sleeve 11 is provided with a right oil storage groove 37 opposite to the left oil storage groove 36; the outer edge of the left end surface of the left limit sleeve 18 is provided with an oil outlet 38 communicated with the left oil storage tank 36; the left end hole of the oil outlet hole 38 is opposite to the gap between two adjacent gear teeth 2.
An axial oil through hole 39 is formed in the bottom of the right oil storage tank 37; the upper surface of the right end of the right pressing sleeve 11 is provided with an oil filling hole 40; a plug screw 41 matched with the oil filling hole 40 is screwed in the oil filling hole; the center of the bottom of the oil filling hole 40 is provided with a radial oil through hole 42 communicated with the axial oil through hole 39.
The left end face of the right pressing sleeve 11 is provided with an annular outer sealing groove 43 and an annular inner sealing groove 44; the right oil storage tank 37 is positioned between the outer sealing groove 43 and the inner sealing groove 44, and the right oil storage tank 37 encloses the inner sealing groove 44; an outer sealing ring 45 matched with the outer sealing groove 43 is arranged in the outer sealing groove; an inner seal 46 is provided in the inner seal groove 44.
The application method of the utility model is as follows:
since the left shaft body 3 is screwed to the gear portion 1 through the left screw joint 6 and the right shaft body 4 is screwed to the gear portion 1 through the right screw joint 47, the left shaft body 3, the gear portion 1 and the right shaft body 4 are independent units, and therefore, if one of the left shaft body 3, the right shaft body 4 or the gear portion 1 is in trouble, only the member in trouble needs to be replaced.
When the left shaft body 3 needs to be detached from the gear part 1, the left sliding sleeve 28 can be held, so that the left sliding sleeve 28 moves leftwards along the track of the left shaft body 3, when the left sliding sleeve 28 moves leftwards, the left sliding sleeve 28 pushes the left limit nut 30 leftwards, when the left limit nut 30 moves leftwards, the left telescopic rod 26 is pulled leftwards, so that the left movement of the second left limit block 25 is realized, finally, the second left limit block 25 is completely moved into the second left limit groove 22, the limit of the first left limit groove 21 is lost, the left shaft body 3 can smoothly rotate, and the left screw joint 6 is screwed out from the left screw hole 5, so that the disassembly of the left shaft body 3 is realized.
When the right shaft body 4 needs to be detached from the gear part 1, the right sliding sleeve 31 can be held, so that the right sliding sleeve 31 moves rightwards along the track of the right shaft body 4, when the right sliding sleeve 31 moves rightwards, the right sliding sleeve 31 pushes the right limiting nut 33 rightwards, when the right limiting nut 33 moves rightwards, the right telescopic rod 16 is pulled rightwards, when the right telescopic rod 16 moves rightwards, the second right limiting block 15 moves rightwards synchronously, finally, the second right limiting block 15 moves from the first right limiting groove 9 to the second right limiting groove 12 completely, after the limitation of the first right limiting groove 9 is lost, the right shaft body 4 can smoothly rotate, and the right screwed joint 47 is screwed out from the right screw hole 7, so that the disassembly of the right shaft body 4 is realized.
When the left shaft body 3 and the right shaft body 4 are detached from the gear part 1 and become independent individuals, the three bodies can be replaced at will, when new components are replaced and assembly is needed to be carried out again, the second left limiting block 25 is limited in the second left limiting groove 22 completely through the left sliding sleeve 28, then the left threaded joint 6 is screwed into the left threaded hole 5, finally the left limiting part 19 compresses the left compressing sleeve 20 on the left end face of the left limiting sleeve 18, when the left threaded joint 6 rotates in place, the second left limiting groove 22 corresponds to the first left limiting groove 21 in position, at this time, the left sliding sleeve 28 can be loosened, after the limitation of the left sliding sleeve 28 is lost, the right end of the second left limiting block 25 can slide into the first left limiting groove 21 under the elastic action of the left spring 27 and is pressed against the left end of the first left limiting block 24 again, and under the condition that the first left limiting block 24 is fixed, the second left limiting block 25 is limited by the first left limiting groove 21 of the left limiting sleeve 18, so that the rotation of the left shaft body 3 and the left shaft body 3 alone can be prevented from being limited.
When the assembly between the right shaft body 4 and the gear part 1 is needed, the second right limiting block 15 is limited in the second right limiting groove 12 completely through the right sliding sleeve 31, then the right screw joint 47 is screwed into the right screw hole 7, finally the right limiting part 10 presses the right pressing sleeve 11 on the right end face of the right limiting sleeve 8, when the right screw joint 47 rotates in place, the second right limiting groove 12 corresponds to the first right limiting groove 9, at the moment, the right sliding sleeve 31 can be loosened, after the limitation of the right sliding sleeve 31 is lost, the left end of the second right limiting block 15 can slide into the first right limiting groove 9 left under the elastic action of the right spring 17 and is pressed against the right end of the first right limiting block 14 again, under the condition that the first right limiting block 14 is fixed, the second right limiting block 15 is limited by the first right limiting groove 9 on the inner wall of the right limiting sleeve 8, the independent rotation of the right shaft body 4 is avoided, the stability between the gear part 1 and the right shaft body 4 is ensured, and when the gear shaft body 1, the left shaft body 3 and the left shaft body 4 can be kept to rotate synchronously, or the left shaft body 4 is prevented from loosening.
The left rubber sleeve 34 sleeved outside the left telescopic rod 26 is arranged between the right side wall of the left sliding sleeve 28 and the left side wall of the left limiting part 19, the right rubber sleeve 35 sleeved outside the right telescopic rod 16 is arranged between the left side wall of the right sliding sleeve 31 and the right side wall of the right limiting part 10, the left rubber sleeve 34 has a positioning effect on the left sliding sleeve 28, and can play a buffering role when the left sliding sleeve 28 moves right to reset, the situation that the second left limiting block 25 directly collides on the first left limiting block 24 under the elastic action of the left spring 27 to cause damage to each other is avoided, the right rubber sleeve 35 has a positioning effect on the right sliding sleeve 31, and the buffering effect is achieved when the right sliding sleeve 31 moves left to reset, and the situation that the second right limiting block 15 directly collides on the first right limiting block 14 under the elastic action of the right spring 17 to cause damage to each other is avoided.
The right end face of the right limit sleeve 8 is provided with a left annular oil storage groove 36, the left end face of the right compression sleeve 11 is provided with a right oil storage groove 37 opposite to the left oil storage groove 36, the outer edge of the left end face of the left limit sleeve 18 is provided with an oil outlet 38 communicated with the left oil storage groove 36, lubricating grease can be added into the left oil storage groove 36 and the right oil storage groove 37, when the gear shaft rotates, centrifugal force can be generated, the lubricating grease in the left oil storage groove 36 and the right oil storage groove 37 can be outwards thrown out, a part of the lubricating grease can be extruded to the outside through the oil outlet 38 under the action of pressure generated by the centrifugal force, the left end hole of the oil outlet 38 is opposite to a gap between two adjacent gear teeth, the lubricating grease flowing out of the oil outlet 38 just enters into the gap between the adjacent gear teeth 2, and as the gear teeth 2 of the gear part 1 are meshed with the transmission teeth of other parts, the lubricating grease can be gradually distributed with all the gear teeth 2, thus the gear part 1 is fully lubricated, and under the lubricating effect of the grease can effectively reduce the friction effect of the gear part and the friction of the gear part when the transmission teeth of the gear part are in wear resistance.
The bottom of the right oil storage tank 37 is provided with an axial oil through hole 39, the upper surface of the right end of the right compression sleeve 11 is provided with an oil injection hole 40, a plug screw 41 matched with the oil injection hole 40 is screwed in the oil injection hole 40, the center of the bottom of the oil injection hole 40 is provided with a radial oil through hole 42 communicated with the axial oil through hole 39, and lubricating grease can be added into the right oil storage tank 37 and the left oil storage tank 36 through the oil injection hole 40, the radial oil through hole 42 and the axial oil through hole 39 in sequence by screwing the plug screw 41 out of the oil injection hole 40, and after the adding is finished, the plug screw 41 is screwed into the oil injection hole 40 again.
The left end face of the right compression sleeve 11 is provided with an annular outer sealing groove 43 and an annular inner sealing groove 44, the right oil storage groove 37 is located between the outer sealing groove 43 and the inner sealing groove 44, the right oil storage groove 37 encloses the inner sealing groove 44, an outer sealing ring 45 matched with the inner sealing groove is arranged in the outer sealing groove 43, an inner sealing ring 46 matched with the inner sealing groove is arranged in the inner sealing groove 44, and the tightness between the right end face of the right limiting sleeve 8 and the left end face of the right compression sleeve 11 can be effectively ensured due to the existence of the outer sealing ring 45 and the inner sealing ring 46, so that the condition of oil leakage is avoided.
As can be seen from the above, the left shaft body 3 is screwed and fixed with the gear portion 1 through the left screw joint 6, the right shaft body 4 is screwed and fixed with the gear portion 1 through the right screw joint 47, and the gear portion 1, the left shaft body 3 and the right shaft body 4 are actually independent individuals, so that when the gear portion 1, the left shaft body 3 or the right shaft body 4 are worn, only worn parts need to be replaced, the replacement cost is not needed, the replacement cost is effectively saved, and when the gear shaft rotates, the lubricating grease in the left oil storage groove 36 and the right oil storage groove 37 can automatically and outwards go out through the oil outlet 38 and fall into the gap between two adjacent gear teeth 2, thereby achieving the effect of automatic lubrication.
Claims (7)
1. The utility model provides a wear-resisting gear shaft, includes gear portion, a plurality of teeth of a cogwheel that are circumference and evenly locates gear portion, and gear portion left side is equipped with left axis body, and gear portion right side is equipped with right axis body, its characterized in that: the center of the left end face of the gear part is provided with a left screw hole; the center of the right end face of the left shaft body is provided with a left screw joint which is screwed in the left screw hole; the center of the right end face of the gear part is provided with a right screw hole, and the center of the left end face of the right shaft body is provided with a right screw joint which is screwed in the right screw hole; the right end of the left shaft body is provided with a left limit structure matched with the gear part; a right limiting sleeve attached to the right end face of the gear part is arranged on the right side of the gear part, and the right limiting sleeve is sleeved outside the right shaft body; the inner wall of the right limit sleeve is provided with a plurality of first right limit grooves which are uniformly distributed in the circumference; the right shaft body is provided with a right limiting part which is annular; a right compression sleeve sleeved outside the right shaft body is arranged between the left side wall of the right limiting part and the right side wall of the right limiting sleeve; the inner wall of the right pressing sleeve is provided with a plurality of second right limiting grooves communicated with the first right limiting grooves; the side wall of the right limiting part is provided with a right telescopic hole communicated with the second right limiting groove; a plurality of first right limiting blocks matched with the first right limiting grooves are arranged on the right end face of the gear part; a second right limiting block matched with the second right limiting groove is arranged in the second right limiting groove, and the left end of the second right limiting block penetrates into the first right limiting groove leftwards and is propped against the right end face of the first right limiting block; a right telescopic rod is arranged in the center of the right end face of the second right limiting block; the right end of the right telescopic rod rightwards passes through the right telescopic hole corresponding to the right telescopic rod; and a right spring sleeved outside the right telescopic rod is arranged between the right end face of the second right limiting block and the left side wall of the right limiting part.
2. The wear resistant gear shaft of claim 1, wherein: the left limiting structure comprises a left limiting sleeve sleeved outside the right end of the left shaft body, and the right end face of the left limiting sleeve is attached to the left end face of the gear part; the outer wall of the left shaft body is provided with a left limiting part which is annular; a left compression sleeve sleeved outside the left shaft body is arranged between the right side wall of the left limiting part and the left side wall of the left limiting sleeve; the inner wall of the left limit sleeve is provided with a plurality of first left limit grooves which are uniformly distributed in a circumference manner; the inner wall of the left compression sleeve is provided with a plurality of second left limit grooves communicated with the first left limit grooves; the left side wall of the left limiting part is provided with a plurality of left telescopic holes communicated with the second left limiting groove; a plurality of first left limiting blocks matched with the first left limiting grooves are arranged on the left end face of the gear part; a second left limiting block matched with the second left limiting groove is arranged in the right part of the second left limiting groove, and the right end of the second left limiting block rightwards penetrates into the first left limiting groove and is propped against the first left limiting block; a left telescopic rod is arranged in the center of the left end face of the second left limiting block; the left end of the left telescopic rod penetrates through the left telescopic hole leftwards; and a left spring sleeved outside the left telescopic rod is arranged between the left end face of the second left limiting block and the right side wall of the left limiting part.
3. The wear resistant gear shaft of claim 2, wherein: a left sliding sleeve sleeved outside the left shaft body is arranged at the left side of the left limiting part; the left sliding sleeve is provided with a plurality of left perforations corresponding to the positions of the left telescopic rods; the left end of the left telescopic rod passes through the left through hole corresponding to the left telescopic rod leftwards and is in threaded connection with a left limit nut; a right sliding sleeve sleeved outside the right shaft body is arranged on the right side of the right limiting part; the right sliding sleeve is provided with a plurality of right perforations corresponding to the positions of the right telescopic rods; the right end of the right telescopic rod passes through the right through hole corresponding to the right telescopic rod rightwards and is in threaded connection with a right limit nut.
4. A wear resistant gear shaft according to claim 3, wherein: a left rubber sleeve sleeved outside the left telescopic rod is arranged between the right side wall of the left sliding sleeve and the left side wall of the left limiting part; and a right rubber sleeve sleeved outside the right telescopic rod is arranged between the left side wall of the right sliding sleeve and the right side wall of the right limiting part.
5. The wear resistant gear shaft of claim 2, wherein: the right end face of the right limit sleeve is provided with a left annular oil storage tank; the left end face of the right pressing sleeve is provided with a right oil storage tank opposite to the left oil storage tank; an oil outlet communicated with the left oil storage tank is formed in the outer edge of the left end face of the left limit sleeve; and the hole at the left end of the oil outlet is opposite to the gap between two adjacent gear teeth.
6. The wear resistant gear shaft of claim 5 wherein: an axial oil through hole is formed in the bottom of the right oil storage tank; the upper surface of the right end of the right pressing sleeve is provided with an oil filling hole; a plug screw matched with the oil filling hole is screwed in the oil filling hole; the center of the bottom of the oil hole is provided with a radial oil hole communicated with the axial oil hole.
7. The wear resistant gear shaft of claim 6, wherein: the left end face of the right pressing sleeve is provided with an annular outer sealing groove and an annular inner sealing groove; the right oil storage tank is positioned between the outer sealing groove and the inner sealing groove, and the right oil storage tank encloses the inner sealing groove; an outer sealing ring matched with the outer sealing groove is arranged in the outer sealing groove; and an inner sealing ring matched with the inner sealing groove is arranged in the inner sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321295644.9U CN220204590U (en) | 2023-05-23 | 2023-05-23 | Wear-resistant gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321295644.9U CN220204590U (en) | 2023-05-23 | 2023-05-23 | Wear-resistant gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204590U true CN220204590U (en) | 2023-12-19 |
Family
ID=89149527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321295644.9U Active CN220204590U (en) | 2023-05-23 | 2023-05-23 | Wear-resistant gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204590U (en) |
-
2023
- 2023-05-23 CN CN202321295644.9U patent/CN220204590U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201475173U (en) | Shaft sleeve with lubricating end surface | |
| CN201651167U (en) | Oil-storage type self-lubricating chain | |
| CN209959185U (en) | Eccentric wear prevention telescopic sucker rod guider | |
| CN108543578B (en) | Dustproof Raymond mill grinding roller device | |
| CN112412347A (en) | High-pressure manifold rotating nipple | |
| CN220204590U (en) | Wear-resistant gear shaft | |
| CN112431807A (en) | Swing hydraulic cylinder in electro-hydraulic actuator | |
| CN220706226U (en) | Self-lubricating mechanism of bearing | |
| CN103438308A (en) | Bidirectional fully-sealed rotary joint for fluid conveying | |
| CN210919813U (en) | Joint bearing for main driving assembly of shield tunneling machine and shield tunneling machine | |
| CN207260213U (en) | Rolling disc type equipment and its slip revolving support | |
| CN216279081U (en) | Flange sleeve for one-way clutch of corn harvester | |
| CN113107353A (en) | Heavy-load antifriction type sealing transmission shaft assembly | |
| CN220891079U (en) | Mechanical sealing device | |
| CN211778600U (en) | Hydraulic transmission joint structure | |
| CN217207333U (en) | Sliding bearing and static pressure starting system | |
| CN212251007U (en) | Efficient and stable transmission rod | |
| CN215762835U (en) | High-precision bearing ring | |
| CN216715027U (en) | Air bleeder and cydariform tooth-type shaft coupling | |
| CN219911545U (en) | Rotary gear | |
| CN212480087U (en) | Integrated bearing cover non-contact sealing structure of mechanical transmission slewing device | |
| CN117189775B (en) | High-pressure-bearing deformation-resistant bearing | |
| CN208997182U (en) | The manual stuffing device of the grease lubrication of semiaxis sliding bearing | |
| CN214036505U (en) | Socket joint type shaft ring for deep groove ball bearing | |
| CN219221018U (en) | Power input shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |