CN215722447U

CN215722447U - Grease injection assembly for external joint of automobile transmission shaft

Info

Publication number: CN215722447U
Application number: CN202121466985.9U
Authority: CN
Inventors: 陈石; 刘广兴; 严家健; 黄延平; 王建文
Original assignee: Guangzhou East Vibration Mechanical & Electrical Equipment Co ltd; Dongfeng Honda Engine Co Ltd
Current assignee: Guangzhou East Vibration Mechanical & Electrical Equipment Co ltd; Dongfeng Honda Engine Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-01
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an automobile transmission shaft outer joint grease injection assembly which comprises a rack provided with a first pulling piece and a second pulling piece, wherein the pulling end of the first pulling piece and the pulling end of the second pulling piece are arranged opposite to each other, an outer joint clamping piece is arranged at the pulling end of the first pulling piece, a rubber sleeve clamping piece is arranged at the pulling end of the second pulling piece, a pushing piece is arranged between the first pulling piece and the second pulling piece, the pushing direction of the pushing piece and the pulling direction of the first pulling piece form an included angle, and a grease injection nozzle is arranged at the pushing end of the pushing piece. Through adopting above-mentioned setting, can replace the manual work to extract the epaxial outer joint of transmission to inwards annotate the function of fat, can replace the manual work to go back the outer joint dress that extracts simultaneously and sheathe in rubber sleeve, in order to accomplish complete overall operation, and then realize the beneficial effect of operation intelligence, simple and convenient, improvement work efficiency.

Description

Grease injection assembly for external joint of automobile transmission shaft

Technical Field

The utility model relates to the technical field of an outer joint grease injection structure, in particular to an automobile transmission shaft outer joint grease injection assembly.

Background

The transmission shaft is a rotating body with high rotating speed and few supports, is a traditional Chinese medicine part for transmitting power in an automobile transmission system, and has the function of transmitting the power of an engine to wheels together with a gearbox and a drive axle so as to enable an automobile to generate driving force. The current common transmission shaft includes the central siphon, and the both ends of central siphon are connected with the rubber sleeve, and the one end cooperation that the central siphon was kept away from to the rubber sleeve is connected with the outer joint, and the outer joint can be used to connect other parts such as universal joint.

In order to increase wear resistance and self-lubricity while reducing damage of impact load to the propeller shaft to improve the buffering capacity of the propeller shaft, grease is generally injected into a rubber sleeve. At present, the grease injection mode of a transmission shaft is a manual grease injection mode, a worker pulls out an outer connector at one end of the transmission shaft, then injects a certain amount of lubricating grease into a rubber sleeve through an injector, and then turns the outer connector back to one end, far away from a shaft tube, of the rubber sleeve, so that an integral structure is formed.

Because the outer joint links together through the mode of bayonet socket close-fitting with the rubber sleeve, consequently through the mode of artifical dismouting, can consume great manual labor usually to cause the problem of operation difficulty and reduction work efficiency. Meanwhile, the mode of injecting the lubricating grease into the rubber sleeve is also carried out manually, so that the problem of excessive or insufficient injection amount sometimes exists, the excessive injection amount can cause the waste of the overflowing of the lubricating grease, and the insufficient injection amount can reduce the service life of the transmission shaft. In the prior art, a structural component which can replace manual pulling out of an outer joint of a transmission shaft and inject a certain amount of lubricating grease into a rubber sleeve does not exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the grease injection assembly for the external joint of the automobile transmission shaft, which can replace manual operation to inject grease inwards after the external joint of the transmission shaft is pulled out, so that the effects of simple and convenient operation and improvement on the working efficiency are achieved.

The purpose of the utility model is realized by the following technical scheme:

the automobile transmission shaft outer joint grease injection assembly comprises a rack provided with a first pulling piece and a second pulling piece, wherein the pulling end of the first pulling piece and the pulling end of the second pulling piece are arranged opposite to each other, an outer joint clamping piece is arranged at the pulling end of the first pulling piece, a rubber sleeve clamping piece is arranged at the pulling end of the second pulling piece, a pushing piece is arranged between the first pulling piece and the second pulling piece, the pushing direction of the pushing piece and the pulling direction of the first pulling piece form an included angle, and a grease injection nozzle is arranged at the pushing end of the pushing piece.

Further, the first pulling piece comprises an outer joint pulling cylinder connected with the rack, a first sliding seat is arranged at the extending end of the outer joint pulling cylinder, the first sliding seat is connected with the rack in a sliding mode, and the outer joint clamping piece is connected with the first sliding seat.

Further, the outer joint clamping piece comprises an outer joint clamping cylinder connected with the first sliding seat, and two outer joint clamping jaws are arranged at the clamping end of the outer joint clamping cylinder.

Furthermore, a V-shaped opening is formed in the side face, facing the other outer joint clamping jaw, of the outer joint clamping jaw, and the V-shaped openings of the two outer joint clamping jaws are opposite to each other.

Further, the pushing piece comprises a pushing cylinder connected with the first sliding seat, a grease injection joint block is arranged at the extending end of the pushing cylinder, and the grease injection nozzle is connected with the grease injection joint block.

Further, the pushing cylinder is located on the end face, facing the second pulling piece, of the first sliding seat, and when the outer joint clamping piece clamps the outer joint of the transmission shaft, a space for containing the pushing piece is formed between the first sliding seat and the second pulling piece.

Further, the second pulling piece comprises a rubber sleeve pulling cylinder connected with the rack, a second sliding seat is arranged at the extending end of the rubber sleeve pulling cylinder, the second sliding seat is connected with the rack in a sliding mode, and the rubber sleeve clamping piece is connected with the second sliding seat.

Further, the second sliding seat is provided with a horizontal pushing cylinder, the pushing direction of the horizontal pushing cylinder is consistent with the clamping direction of the rubber sleeve clamping piece, and the rubber sleeve clamping piece is connected with the extending end of the horizontal pushing cylinder.

Further, the rubber sleeve clamping piece comprises a rubber sleeve clamping cylinder connected with the extending end of the horizontal pushing cylinder, two rubber sleeve clamping jaws are arranged at the clamping end of the rubber sleeve clamping cylinder, an extending plate is connected with the second sliding seat in a sliding mode, the sliding direction of the extending plate is consistent with the extending direction of the horizontal pushing cylinder, the rubber sleeve clamping jaws are connected with the extending plate in a sliding mode, and the sliding direction of the rubber sleeve clamping jaws is perpendicular to the extending direction of the horizontal pushing cylinder.

The quick-release clamping plate is protruded out of the rubber sleeve clamping jaw and arranged towards the side face of the other rubber sleeve clamping jaw, and a bayonet is arranged on the side face of the quick-release clamping plate towards the other quick-release clamping plate; when starting the rubber sleeve of rubber sleeve centre gripping jar centre gripping transmission shaft, two the rubber sleeve clamping jaw is relative slip, two the bayonet socket that the quick detach cardboard is relative forms the fixed draw-in groove of confession rubber sleeve joint.

The utility model has the following beneficial effects:

the utility model provides a fat subassembly is annotated to car transmission shaft outer joint, through setting up first drawing piece and second in the frame and drawing the piece, draw the rubber sleeve of the rubber sleeve clamping piece centre gripping transmission shaft of piece through the second, then the outer joint of the outer joint clamping piece centre gripping transmission shaft through first drawing the piece, through starting first drawing piece or the first piece that draws of orientation opposite, thereby the rubber sleeve and the outer joint of transmission shaft move towards opposite direction, so that extract the outer joint, and then be convenient for further through starting the impeller, thereby make annotate the entry of fat mouth to the rubber sleeve who extracts the outer joint and be close to, then pour into lubricating grease into in to seeing through the rubber sleeve to the central siphon through annotating the fat mouth, then start the impeller and make the fat mouth of annotating reset. Furthermore, the first pulling part or the second pulling part is also started, so that the outer joint clamping part and the rubber sleeve clamping part move towards opposite directions, and then the outer joint is installed back on the rubber sleeve. From this, reach and to replace the manual work to extract the epaxial outer joint of transmission to inwards annotate the function of fat, can replace the manual work to return the outer joint dress that extracts to the rubber sleeve on simultaneously, in order to accomplish complete overall operation, and then realize the beneficial effect of operation intelligence, simple and convenient, improvement work efficiency.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a top view of fig. 1.

Fig. 5 is a cross-sectional view of fig. 1.

Fig. 6 is a cross-sectional view of fig. 2.

Fig. 7 is a cross-sectional view of fig. 3.

In the figure: 1. a frame; 11. an outer joint mounting base; 12. an outer joint slide rail; 13. a rubber sleeve slide rail; 2. the outer joint pulls the cylinder; 21. an outer joint floating joint; 22. a first slider; 23. an outer joint clamping cylinder; 24. an outer joint jaw; 241. a V-shaped opening; 3. a pushing cylinder; 31. injecting a grease joint block; 32. a grease injection nozzle; 4. a rubber sleeve pulling cylinder; 41. an electric cylinder joint; 42. a rubber sleeve floating plate; 43. a second slide carriage; 44. horizontally pushing the sliding rail; 45. extending the plate; 46. a guide slide rail; 47. a cylinder body mounting plate; 5. a horizontal pushing cylinder; 6. a rubber sleeve clamping cylinder; 61. a rubber sleeve clamping jaw; 62. a quick release clamping plate; 7. an axle tube; 71. a rubber sleeve; 72. an external joint.

Detailed Description

The utility model is described in further detail below with reference to the figures and the specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical changes.

Referring to fig. 1 to 7, an external joint grease injection assembly for an automobile transmission shaft comprises a frame 1 provided with a first pulling piece and a second pulling piece, wherein the first pulling piece is located above the second pulling piece, the pulling end of the first pulling piece and the pulling end of the second pulling piece are arranged opposite to each other, an external joint clamping piece is arranged at the pulling end of the first pulling piece, a rubber sleeve clamping piece is arranged at the pulling end of the second pulling piece, a pushing piece is arranged between the first pulling piece and the second pulling piece, the pushing direction of the pushing piece is opposite to the position between the pulling end of the first pulling piece and the pulling end of the second pulling piece, the pushing direction of the pushing piece is perpendicular to the pulling direction of the first pulling piece, a grease injection nozzle 32 is arranged at the pushing end of the pushing piece, and the grease injection nozzle 32 is arranged towards the pulling end of the second pulling piece in an inclined mode.

It is specific, through setting up first piece and the second piece of drawing in frame 1, draw the rubber sleeve of the rubber sleeve clamping piece centre gripping transmission shaft of piece through the second, then the outer joint of the outer joint clamping piece centre gripping transmission shaft through first piece of drawing, through starting first piece or the first piece of drawing towards opposite direction, thereby the rubber sleeve and the outer joint of transmission shaft move towards opposite direction, so that extract the outer joint, and then be convenient for further through starting the impeller, thereby make annotate fat mouth 32 to be close to the entry of the rubber sleeve of extracting the outer joint, then through annotating fat mouth 32 to permeating through rubber sleeve and annotating lubricating grease in central siphon 7, then start the impeller and make notes fat mouth 32 reset. Furthermore, the first pulling part or the second pulling part is also started, so that the outer joint clamping part and the rubber sleeve clamping part move towards opposite directions, and then the outer joint is installed back on the rubber sleeve. From this, reach and to replace the manual work to extract the epaxial outer joint of transmission to inwards annotate the function of fat, can replace the manual work to return the outer joint dress that extracts to the rubber sleeve on simultaneously, in order to accomplish complete overall operation, and then realize the beneficial effect of operation intelligence, simple and convenient, improvement work efficiency.

Referring to fig. 1 to 7, the first pulling member includes an outer joint mounting base 11 which is attached to a side surface of the frame 1 by a screw, the outer joint mounting base 11 is attached to an outer joint pulling cylinder 2 by a screw, an extending end of the outer joint pulling cylinder 2 is disposed downward, the extending end of the outer joint pulling cylinder 2 is attached to an outer joint floating joint 21 by a screw, the outer joint floating joint 21 is attached to a first sliding base 22 by a screw, a side surface of the frame 1 is attached to an outer joint sliding rail 12 by a screw, a length direction of the outer joint sliding rail 12 is identical to a pulling direction of the first pulling member, the first sliding base 22 is slidably connected to the outer joint sliding rail 12, and an outer joint clamping member is connected to the first sliding base 22. Specifically, through setting up outer joint pulling cylinder 2 to through the telescopic action of its end that stretches out, realize driving outer joint centre gripping jar 23 towards the function of being close to or keeping away from the motion of transmission shaft direction.

The outer joint clamping piece comprises an outer joint clamping cylinder 23 which is in locking attachment connection with the side face, far away from the rack 1, of the first sliding seat 22 through a screw, two outer joint clamping jaws 24 are arranged at the clamping end of the outer joint clamping cylinder 23, and the two outer joint clamping jaws 24 achieve the function of rotating and clamping around the axis in opposite or opposite directions through the outer joint clamping cylinder 23. The side of the outer joint clamping jaw 24 facing to the other outer joint clamping jaw 24 is provided with a V-shaped opening 241, the V-shaped openings 241 of the two outer joint clamping jaws 24 are opposite to each other, and the V-shaped openings 241 of the two outer joint clamping jaws 24 are utilized to realize the clamping and positioning of the outer joint, and meanwhile, the clamping force effect of the outer joint clamping cylinder 23 is improved.

Referring to fig. 1 to 7, the pushing member includes a pushing cylinder 3 locked and attached to an end surface of the first slide carriage 22 facing the second pulling member by a screw, a grease injection joint block 31 is provided at an extending end of the pushing cylinder 3, and a grease injection nozzle 32 is installed at a side surface of the grease injection joint block 31. Because the pushing cylinder 3 is located on the end surface of the first slide seat 22 facing the second pulling part, when the outer joint clamping piece clamps the outer joint of the transmission shaft, a space for accommodating the pushing part is formed between the first slide seat 22 and the second pulling part.

Specifically, because the pushing cylinder 3 is located on the end surface of the first slide 22 facing the second pulling member, when the grease injection operation is not required, the grease injecting nozzle 32 can be moved towards the direction away from the position between the pulling end of the first pulling member and the pulling end of the second pulling member through the pushing cylinder 3, so that the situation that the grease injecting nozzle 32 collides with the first pulling member and the second pulling member to interfere when the outer joint clamping cylinder 23 clamps the outer joint is reduced, and the grease injecting nozzle 32 is prevented from being damaged. When the grease injection operation is needed, the grease injection nozzle 32 can be moved towards the position close to the inlet of the rubber sleeve by the pushing piece, so as to facilitate the further grease injection operation. In addition, by limiting the sufficient space between the first sliding seat 22 and the second pulling member for accommodating the pushing member, it is possible to reduce the collision interference between the pushing cylinder 3 and the second pulling member when the outer joint clamping member of the first pulling member clamps the outer joint, thereby achieving the beneficial effect of safe operation.

Referring to fig. 1 to 7, the second pulling member includes a rubber sleeve pulling cylinder 4 locked and attached to the frame 1 through a screw, an extending end of the rubber sleeve pulling cylinder 4 is disposed upward, an extending end of the rubber sleeve pulling cylinder 4 is attached and connected to an electric cylinder joint 41 through a screw, an end surface of the electric cylinder joint 41 away from the rubber sleeve pulling cylinder 4 is attached and connected to a rubber sleeve floating plate 42 through a screw, an end surface of the rubber sleeve floating plate 42 away from the electric cylinder joint 41 is attached and connected to a second sliding seat 43 through a screw, a side surface of the frame 1 is attached and connected to a rubber sleeve sliding rail 13 through a screw, a length direction of the rubber sleeve sliding rail 13 is consistent with an extending direction of the rubber sleeve pulling cylinder 4, the second sliding seat 43 is slidably connected to the rubber sleeve sliding rail 13, and a rubber sleeve clamping member is connected to the second sliding seat 43. Specifically, through setting up rubber sleeve pulling cylinder 4 to the function that the direction that realizes driving rubber sleeve clamping piece towards being close to or keeping away from first piece that draws removes is realized.

The side of the second slide seat 43 far away from the rubber sleeve clamping piece is additionally connected with a cylinder body mounting plate 47 through a screw lock, the cylinder body mounting plate 47 is additionally connected with a horizontal pushing cylinder 5 through a screw lock, the pushing direction of the horizontal pushing cylinder 5 is consistent with the clamping direction of the rubber sleeve clamping piece, and the rubber sleeve clamping piece is connected with the extending end of the horizontal pushing cylinder 5. Concretely, in order to accord with actual operation, through setting up the flat push cylinder 5, so as to drive the rubber sleeve clamping piece and draw the piece pulling direction motion along the perpendicular to second, thereby reach the exposed core of adjustment rubber sleeve clamping piece and the exposed core of external joint clamping piece and can be good just right function, thereby it is crooked to reduce to appear the pulling owing to not good just, damage the transmission shaft, perhaps can't be good with the condition on the external joint dress back rubber sleeve, accord with actual production operation process from this, improve the beneficial effect of production qualification rate simultaneously.

Referring to fig. 1 to 7, the rubber sleeve clamping piece includes a rubber sleeve clamping cylinder 6 which is locked and attached to an extending end of a horizontal pushing cylinder 5 through a screw, two rubber sleeve clamping jaws 61 are arranged at a clamping end of the rubber sleeve clamping cylinder 6, the two rubber sleeve clamping jaws 61 realize clamping movement which is close to or away from each other through the rubber sleeve clamping cylinder 6, a horizontal pushing slide rail 44 is attached and connected to an end surface of a second slide seat 43 facing a first pulling piece through a screw, a length direction of the horizontal pushing slide rail 44 is consistent with a pushing direction of the horizontal pushing cylinder 5, an extending plate 45 is slidably connected to the horizontal pushing slide rail 44, the extending plate 45 is located on one side, away from the horizontal pushing cylinder 5, of a cylinder body of the rubber sleeve clamping cylinder 6, a guide slide rail 46 is attached and connected to an end surface, away from the second slide seat 43, of the guide slide rail 46 is perpendicular to the extending direction of the horizontal pushing cylinder 5 and the pulling direction of the second pulling piece, and the rubber sleeve clamping jaws 61 are slidably connected to the guide slide rail 46.

Specifically, the rubber sleeve clamping jaws 61 are connected with the guide slide rails 46 in a sliding manner, and the extension plates 45 are connected with the horizontal push slide rails 44 in a sliding manner, so that the guiding performance of the horizontal push cylinder 5 for pushing the rubber sleeve clamping piece to move back and forth is improved, and the guiding performance of the two rubber sleeve clamping jaws 61 moving along the clamping direction is improved. And the clamping action of the rubber sleeve clamping cylinder 6 can be utilized to enable the two rubber sleeve clamping jaws 61 to move towards opposite or opposite directions so as to realize the clamping or releasing action of clamping the rubber sleeve.

In order to further increase the clamping force of the rubber sleeve clamping cylinder 6 for clamping the rubber sleeve by the two rubber sleeve clamping jaws 61, the situation that the rubber sleeve is separated from the two rubber sleeve clamping jaws 61 is reduced. The rubber sleeve clamping jaw 61 is connected with a quick-release clamping plate 62 through a screw lock, the quick-release clamping plate 62 protrudes out of the rubber sleeve clamping jaw 61 and is arranged towards the side surface of the other rubber sleeve clamping jaw 61, and a bayonet (not shown in the figure) is arranged on the side surface of the quick-release clamping plate 62 towards the other quick-release clamping plate 62; when starting the rubber sleeve of the rubber sleeve clamping cylinder 6 clamping transmission shaft, the two rubber sleeve clamping jaws 61 slide relatively, and the bayonet corresponding to the two quick-release clamping plates 62 forms a clamping groove (not shown in the figure) for clamping and fixing the rubber sleeve. From this, through setting up quick detach cardboard 62, further shorten the interval between two rubber sleeve clamping jaws 61 to reach the effect of effectively pressing from both sides tight rubber sleeve.

The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.

Claims

1. The utility model provides a fat subassembly is annotated to car transmission shaft external joint which characterized in that: the grease injection machine comprises a rack provided with a first pulling piece and a second pulling piece, wherein the pulling end of the first pulling piece and the pulling end of the second pulling piece are arranged opposite to each other, an outer joint clamping piece is arranged at the pulling end of the first pulling piece, a rubber sleeve clamping piece is arranged at the pulling end of the second pulling piece, a pushing piece is arranged between the first pulling piece and the second pulling piece, the pushing direction of the pushing piece and the pulling direction of the first pulling piece are arranged at an included angle, and a grease injection nozzle is arranged at the pushing end of the pushing piece.

2. The automotive transmission shaft outer joint grease injection assembly according to claim 1, wherein: the first pulling piece comprises an outer joint pulling cylinder connected with the rack, a first sliding seat is arranged at the extending end of the outer joint pulling cylinder, the first sliding seat is connected with the rack in a sliding mode, and an outer joint clamping piece is connected with the first sliding seat.

3. The automotive transmission shaft outer joint grease injection assembly according to claim 2, wherein: the outer joint clamping piece comprises an outer joint clamping cylinder connected with the first sliding seat, and two outer joint clamping jaws are arranged at the clamping end of the outer joint clamping cylinder.

4. The automotive transmission shaft outer joint grease injection assembly according to claim 3, wherein: the side face of the outer joint clamping jaw, which faces to the other outer joint clamping jaw, is provided with a V-shaped opening, and the V-shaped openings of the two outer joint clamping jaws are opposite to each other.

5. The automotive transmission shaft outer joint grease injection assembly according to claim 2, wherein: the pushing piece comprises a pushing cylinder connected with the first sliding seat, a grease injection joint block is arranged at the extending end of the pushing cylinder, and the grease injection nozzle is connected with the grease injection joint block.

6. The automotive transmission shaft outer joint grease injection assembly according to claim 5, wherein: the pushing cylinder is located on the end face, facing the second pulling piece, of the first sliding seat, and when the outer joint clamping piece clamps the outer joint of the transmission shaft, a space for containing the pushing piece is formed between the first sliding seat and the second pulling piece.

7. The automotive transmission shaft outer joint grease injection assembly according to claim 1, wherein: the second pulling part comprises a rubber sleeve pulling cylinder connected with the rack, a second sliding seat is arranged at the extending end of the rubber sleeve pulling cylinder, the second sliding seat is connected with the rack in a sliding mode, and the rubber sleeve clamping part is connected with the second sliding seat.

8. The automotive transmission shaft outer joint grease injection assembly according to claim 7, wherein: the second sliding seat is provided with a horizontal pushing cylinder, the pushing direction of the horizontal pushing cylinder is consistent with the clamping direction of the rubber sleeve clamping piece, and the rubber sleeve clamping piece is connected with the extending end of the horizontal pushing cylinder.

9. The automotive external joint grease injection assembly according to claim 8, wherein: the rubber sleeve clamping piece comprises a rubber sleeve clamping cylinder connected with the extending end of the horizontal pushing cylinder, two rubber sleeve clamping jaws are arranged at the clamping end of the rubber sleeve clamping cylinder, an extending plate is connected to the second sliding seat in a sliding mode, the sliding direction of the extending plate is consistent with the extending direction of the horizontal pushing cylinder, the rubber sleeve clamping jaws are connected with the extending plate in a sliding mode, and the sliding direction of the rubber sleeve clamping jaws is perpendicular to the extending direction of the horizontal pushing cylinder.

10. The automotive transmission shaft outer joint grease injection assembly according to claim 9, wherein: the quick-release clamping plate is protruded out of the rubber sleeve clamping jaw and arranged towards the side face of the other rubber sleeve clamping jaw, and a bayonet is arranged on the quick-release clamping plate towards the side face of the other quick-release clamping plate; when starting the rubber sleeve of rubber sleeve centre gripping jar centre gripping transmission shaft, two the rubber sleeve clamping jaw is relative slip, two the bayonet socket that the quick detach cardboard is relative forms the fixed draw-in groove of confession rubber sleeve joint.