CN210789906U - Rear axle semi-axis pressure equipment and pressure equipment device thereof - Google Patents
Rear axle semi-axis pressure equipment and pressure equipment device thereof Download PDFInfo
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- CN210789906U CN210789906U CN201921301476.3U CN201921301476U CN210789906U CN 210789906 U CN210789906 U CN 210789906U CN 201921301476 U CN201921301476 U CN 201921301476U CN 210789906 U CN210789906 U CN 210789906U
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Abstract
The utility model discloses a rear axle half shaft press fitting device and a press fitting device thereof, the device comprises an installation main body, a half shaft installation part to be press fitted is arranged on the installation main body, a plurality of press fitting moving parts correspondingly arranged with bolts are arranged on the installation main body, a pressing piece used for pressing corresponding bolts is arranged on each press fitting moving part, and the pressing piece is provided with an installation working position and a press fitting working position in a plane perpendicular to a pressing direction; the press-fitting driving part can drive the press-fitting moving part to move along the pressing direction of the bolt; the rotation driving part drives the press-fitting moving part to rotate through the rotation transmission part, so that the pressing part can be switched between two working positions. By adopting the structure, the press mounting of the half shaft of the rear axle of the automobile can be completed at one time, so that the press mounting efficiency is greatly improved; meanwhile, the press fitting condition of each bolt is basically similar by adopting the unified press fitting of a machine, and the phenomenon that the press fitting effect of individual bolts is poor does not exist, so that the press fitting quality is also improved.
Description
Technical Field
The utility model relates to the technical field of vehicles, concretely relates to rear axle semi-axis pressure equipment device and use rear axle semi-axis pressure equipment of rear axle semi-axis pressure equipment device.
Background
The rear axle half shaft is an important transmission part on the automobile transmission part, receives power from the differential mechanism, and transmits the power to the left and right wheel hub units to drive the automobile wheels to rotate. The rear axle half shaft is provided with a plurality of bolts which are directly connected with the automobile hub through the rear axle half shaft, so that the rear axle half shaft plays a role in bearing and transferring force, simultaneously bears bending moment and torque generated by dynamic and static loads, and the stress condition is complex. Therefore, to ensure the normal running of the automobile, the working stability of a plurality of bolts on the rear axle half shaft must be ensured, and the press fitting quality of the bolts is an important influence factor.
At present, the existing press-fitting mode is that a workpiece is manually rotated to place bolts one by one, and then a single oil cylinder is used for press-fitting, so that the press-fitting defect is easy to occur under the precondition of manual operation, the press-fitting efficiency is very low, and a rear axle half shaft can be pressed and fitted for a long time. Therefore, a new press mounting mode with higher press mounting success rate and quicker press mounting is urgently needed at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a rear axle semi-axis pressure equipment device and use above-mentioned rear axle semi-axis pressure equipment of rear axle semi-axis pressure equipment device to carry out the bolt pressure equipment high-efficiently accurately.
The utility model provides a rear axle semi-axis pressure equipment device for the pressure equipment of many bolts of car rear axle semi-axis, a serial communication port, including the installation main part, set up on it and remain pressure equipment semi-axis installation department, just be provided with in the installation main part:
the pressing piece is provided with an installation working position and a pressing working position in a plane perpendicular to the pressing direction;
the press-fitting driving part is used for driving the press-fitting moving part to move along the pressing direction of the bolt;
the pressing piece comprises a rotation driving part and a rotation transmission part, wherein the rotation driving part drives the pressing moving part to rotate through the rotation transmission part so that the pressing piece can be switched between two working positions.
By adopting the structure, the press mounting of the half shaft of the rear axle of the automobile can be completed at one time, and the number of press mounting bolts is not limited, so that the press mounting efficiency is greatly improved; meanwhile, the press fitting condition of each bolt is basically similar by adopting the unified press fitting of a machine, and the phenomenon that the press fitting effect of individual bolts is poor does not exist, so that the press fitting quality is also improved.
Optionally, the mounting main body includes a telescopic cylinder mounting bracket, the press-fitting driving part includes a plurality of telescopic cylinders mounted on the telescopic cylinder mounting bracket, and each telescopic cylinder is connected to the corresponding press-fitting moving part through a telescopic cylinder connector.
Optionally, the rear axle half shaft press-fitting device further comprises a proximity switch arranged on a proximity switch support, the proximity switch support is arranged on the telescopic cylinder mounting support, and the proximity switch detects displacement of the press-fitting moving part and sends a control signal to the press-fitting driving part and the rotating driving part so as to control movement of the rear axle half shaft press-fitting device.
Optionally, the mounting body includes a base plate, each of the press-fitting moving parts includes a spline shaft, one end of the spline shaft is connected to the corresponding telescopic cylinder connector, and the other end of the spline shaft is provided with the pressing member; the middle section of the spline shaft is provided with a first guide sleeve and a second guide sleeve, the first guide sleeve is arranged between the spline shaft and the base plate, and the second guide sleeve is arranged between the spline shaft and the telescopic cylinder mounting bracket.
Optionally, the mounting body includes an indexing cylinder mounting bracket, the rotation driving part includes an indexing cylinder mounted on the indexing cylinder mounting bracket, a rack is provided on a piston of the indexing cylinder, and the rack is engaged with an input gear of the rotation transmitting part to drive the press-fitting moving part to rotate through the rotation transmitting part.
Optionally, the indexing cylinder comprises an indexing cylinder base fixedly connected with the indexing cylinder mounting bracket, two indexing cylinder sleeves and two indexing cylinder flanges; the two transposition oil cylinder sleeves are respectively installed at two ends of the transposition oil cylinder seat, the outer side of each transposition oil cylinder sleeve is respectively provided with a transposition oil cylinder flange, and an oil pipe interface is arranged on each transposition oil cylinder flange; two ends of the piston are respectively inserted into the transposition oil cylinder sleeves at the two ends, and respectively form working oil cavities with the corresponding transposition oil cylinder flanges; wherein the rack is located in the middle of the piston and is engaged with the input gear of the rotation transmitting member through a through opening of the indexing cylinder block.
By adopting the structure, the rack is arranged on the piston, and the linear motion driven by the oil cylinder is completed, and meanwhile, the function of converting the motion form can be realized; and the oil cylinders are arranged in two directions, so that the two-way movement of the piston can be realized without connecting pieces, and the structure is greatly simplified.
Optionally, a first sealing element between the indexing oil cylinder flange and the indexing oil cylinder sleeve is arranged on an insertion section, adapted to the indexing oil cylinder sleeve, of the indexing oil cylinder flange; and the second sealing piece between the transposition oil cylinder sleeve and the piston is arranged on the matching section of the piston matched with the transposition oil cylinder sleeve.
Optionally, the indexing cylinder flange is provided with a convex part formed by extending inwards from the body of the indexing cylinder flange along the axial direction, and correspondingly, the end surface of the piston is provided with a concave part matched with the convex part; and is configured to: and under the state that the concave part is abutted against the convex part, a preset distance is reserved between the end surface of the piston and the body of the indexing oil cylinder flange.
Optionally, the oil pipe interface is arranged at a central position of the indexing oil cylinder flange, and the oil pipe interface axially penetrates through the convex part through an axial oil passage; the convex part is also provided with a radial oil passage, the radial oil passage is communicated with the axial oil passage, and the opening of the radial oil passage is positioned at the root part of the convex part.
By adopting the structure, a gap exists between the contact surfaces of the piston and the flange of the indexing oil cylinder, oil is filled in the gap in advance, and when the oil cylinder performs reversing operation, oil pressure can be instantly supplied to the piston, so that the oil cylinder can respond more quickly; meanwhile, the oil cylinder flange is provided with axial and radial bidirectional oil ducts, oil liquid can flow more smoothly due to the design, the blocking probability is lower, and the oil cylinder can work more stably and efficiently.
Optionally, the rotation transmission part further comprises a central gear and a key following gear arranged corresponding to the spline shaft; the central gear is arranged on the telescopic cylinder mounting bracket through a central gear centering shaft, and each key-following gear is coaxially fixed with the corresponding spline shaft and is respectively meshed with the central gear; and the input gear is coaxially fixed with one of the spline shafts.
The utility model also provides a rear axle half shaft press mounting device, which comprises a workbench, a control box and any one of the rear axle half shaft press mounting devices; the rear axle half shaft press-fitting device is installed on the workbench, and the control box is provided with a control switch for controlling the start and stop of the rear axle half shaft press-fitting equipment.
By adopting the structure, a worker only needs to replace the rear axle half shaft when in press mounting and press a press mounting start button, and other steps are completed by a machine, so that the operation is greatly simplified, and the operation difficulty is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a specific embodiment of a rear axle half shaft press-fitting device provided by the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view B-B of FIG. 2;
FIG. 6 is an enlarged view of section C of FIG. 5;
fig. 7 is a schematic structural diagram of a specific embodiment of the rear axle half shaft press-fitting apparatus provided by the present invention.
The reference numerals in fig. 1-7 are illustrated as follows:
1, an installation body, 11 telescopic cylinder installation supports, 111 second guide sleeves, 112 central gear centering shafts, 112a gear positioning plates, 112b locking nuts, 113 proximity switch supports, 114 installation shafts, 12 base plates, 121 half shaft installation parts to be pressed, 121a bolts, 121b rear axle half shafts, 122 first guide sleeves, 122a third sealing parts, 13 indexing oil cylinder installation supports, 131U-shaped supports and 132 spacer bushes;
21a telescopic cylinder;
the main shaft comprises a 31 spline shaft, a 311 driving spline shaft, a 32 telescopic cylinder connector, a 33 pressing piece and a 34 locking nut;
4-index oil cylinder, 41-index oil cylinder seat, 42-index oil cylinder sleeve, 42a first sealing piece, 42b second sealing piece, 43-index oil cylinder flange, 43a convex part, 43b axial oil channel, 43c radial oil channel, 44 piston and 44a concave part;
51 input gear, 52 central gear, 53 along with key gear, 531 initiative along with key gear;
6 rear axle half shaft press fitting equipment, a 61 workbench, a 62 rear axle half shaft press fitting device, a 63 grid and a 64 control box.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The terms "first", "second", and the like, as used herein are used for convenience only to describe two or more structures or components that are the same or similar in structure, and do not denote any particular limitation on the order.
Referring to fig. 1-7, fig. 1 is a schematic structural diagram of a specific embodiment of a rear axle half shaft press-fitting device provided by the present invention; FIG. 2 is a front view of FIG. 1; FIG. 3 is a top view of FIG. 1; FIG. 4 is a cross-sectional view A-A of FIG. 3; FIG. 5 is a cross-sectional view B-B of FIG. 2; FIG. 6 is an enlarged detail view of section C of FIG. 3; fig. 7 is a schematic structural diagram of a specific embodiment of the rear axle half shaft press-fitting apparatus provided by the present invention.
As shown in fig. 1, the utility model provides a rear axle semi-axis pressure equipment device for the pressure equipment of many bolts 121a of car rear axle semi-axis, including installation main part 1, set up on it and remain pressure equipment semi-axis installation department 121, will wait to process the rear axle semi-axis and arrange installation department 121 in, can realize prepositioning. Specifically, the mounting body 1 is provided with:
a plurality of press-fitting moving members provided corresponding to the bolts 121a, each of the press-fitting moving members being provided with a pressing member 33 for pressing the corresponding bolt 121a, the pressing member 33 having an installation working position and a press-fitting working position in a plane perpendicular to a pressing direction; here, the "mounting operation position" means that the rear axle half shaft attaching/detaching operation can be performed when the pressing member 33 is in this state, and the "press-fitting operation position" means that the bolt pressing operation can be performed when the pressing member 33 is in this state.
A press-fitting driving member for driving the press-fitting moving member to move in a pressing direction of the bolt 121 a;
a rotation driving part and a rotation transmission part, wherein the rotation driving part drives the press-fitting moving part to rotate through the rotation transmission part, so that the pressing part 33 is switched between two working positions.
By adopting the structure, the press mounting of the half shaft of the rear axle of the automobile can be completed at one time, and the number of press mounting bolts is not limited, so that the press mounting efficiency is greatly improved; meanwhile, the press fitting condition of each bolt is basically similar by adopting the unified press fitting of a machine, and the phenomenon that the press fitting effect of individual bolts is poor does not exist, so that the press fitting quality is also improved.
In a specific scheme, as shown in fig. 1 to 6, the mounting body 1 may include a telescopic cylinder mounting bracket 11, the press-fitting driving component includes six telescopic cylinders 21 mounted on the telescopic cylinder mounting bracket 11, the telescopic cylinders 21 may be air cylinders or oil cylinders, and other common power output devices, and each telescopic cylinder 21 is connected to the corresponding press-fitting moving component through a telescopic cylinder connector 32.
The mounting body 1 may include proximity switches (not shown in the drawings) disposed on six proximity switch brackets 113, the proximity switch brackets 113 are mounted on the telescopic cylinder mounting bracket 11, and the proximity switches (not shown in the drawings) detect displacement of the press-fitting moving part and send a control signal to a control system for controlling the press-fitting driving part and the rotation driving part, thereby controlling the movement of the rear axle half shaft press-fitting device.
It should be noted that the number and arrangement of the access switches (not shown) are not limited herein, as long as the rear axle half shaft press-fitting device can achieve the installation, press-fitting and final product removal of the half shafts to be press-fitted. For example, the setting mode can be as follows: every proximity switch support sets up two proximity switches, including setting up the first proximity switch at proximity switch support top and setting up the second proximity switch in proximity switch support bottom. When the system operates, after the rear axle half shaft 121b is fixed, the system is started, the rotary driving part operates first, the pressing part 33 is switched to a press-fitting working position from the mounting working position, then the press-fitting driving part operates, the pressing part 33 moves downwards for press-fitting until the second proximity switch sends a signal and stops, then the press-fitting driving part operates reversely, the pressing part 33 moves upwards until the first proximity switch sends a signal and stops, then the rotary driving part operates, the pressing part 33 is switched to the mounting working position from the press-fitting working position, at this moment, the rear axle half shaft 121b can be taken out and then put into the next half shaft to be press-fitted.
The mounting body 1 may include a base plate 12, the base plate 12 and the telescopic cylinder mounting bracket 11 are connected by a mounting shaft 114, each of the press-fitting moving parts may include a spline shaft 31, one end of the spline shaft 31 may be connected with a corresponding telescopic cylinder connector 32, and the other end thereof may be provided with a pressing member 33, and the pressing member 33 is fixed by a bolt 34; the middle section of the spline shaft 31 may be provided with a first guide bush 122 and a second guide bush 111, the first guide bush 122 may be disposed between the spline shaft 31 and the base plate 12, and the second guide bush 111 may be disposed between the spline shaft 31 and the telescopic cylinder mounting bracket 11. The first guide sleeve 122 may be axially fitted with a circular shaft hole of the spline shaft 31, and a first sealing device 122a may be disposed between the first guide sleeve 122 and the spline shaft 31; the second guide bush 111 can be fitted with the spline portion of the spline shaft 31. The first guide sleeve 122 and the second guide sleeve 111 jointly play a role in supporting and guiding the spline shaft.
It can be known that the telescopic cylinder connector 32 is only used to ensure that the telescopic cylinder 21 can drive the spline shaft 31 to move, so the telescopic cylinder 21 and the spline shaft 31 are not limited to be connected through the telescopic cylinder connector 32, and only need to have a connection fixing function, for example, the telescopic cylinder 21 and the spline shaft 31 can be connected and fixed by using a bolt connection or a pin connection; similarly, the spline shaft 31 and the pressing member 33 are not fixed only by the bolt 34, but may be fixed by welding, pinning, or the like.
As shown in fig. 1, 5 and 6, the mounting body 1 includes an indexing cylinder mounting bracket 13, the rotation driving member includes an indexing cylinder 4 mounted on the indexing cylinder mounting bracket 13, a rack is provided on a piston 44 of the indexing cylinder 4, and the rack is engaged with an input gear 51 of the rotation transmitting member to rotate the press-fitting moving member via the rotation transmitting member.
The indexing oil cylinder 4 comprises an indexing oil cylinder seat 41 fixedly connected with an indexing oil cylinder mounting bracket 13, two indexing oil cylinder sleeves 42 and two indexing oil cylinder flanges 43; two indexing oil cylinder sleeves 42 are respectively installed at two ends of the indexing oil cylinder base 41, an indexing oil cylinder flange 43 is respectively arranged on the outer side of each indexing oil cylinder sleeve 42, and an oil pipe interface is arranged on each indexing oil cylinder flange 43; two ends of the piston 44 are respectively inserted into the indexing oil cylinder sleeves 42 at the two ends, and respectively form working oil cavities with the corresponding indexing oil cylinder flanges 43; the rack is located in the middle of the piston 44 and is engaged with the input gear 51 of the rotation transmission member through a through opening of the indexing cylinder block 41.
A first sealing piece 42a can be arranged between the indexing oil cylinder flange 43 and the indexing oil cylinder sleeve 42 and is arranged on an insertion section of the indexing oil cylinder flange 43, which is matched with the indexing oil cylinder sleeve 42; a second seal 42b may be disposed between the indexing cylinder liner 42 and the piston 44 at a mating segment of the piston 44 that mates with the indexing cylinder liner 42. The kind of the first and second seals 42a and 42b is not limited, and may be a gray ring, an O-ring, or the like.
The indexing cylinder flange 43 has a convex portion 43a formed to extend inward from the body thereof in the axial direction, and accordingly, the end surface of the piston 44 has a concave portion 44a fitted to the convex portion 43 a; and is configured to: when the concave portion 44a abuts against the convex portion 43a, a predetermined distance is provided between the end surface of the piston 44 and the body of the index cylinder flange 43.
It should be understood that the structure selected to achieve this feature is not limited to the above structure, but may be other structures, such as: the indexing cylinder flange 43 has a recess formed to extend axially from the body thereof, and the end surface of the piston 44 has a projection adapted to the recess, and when the projection abuts against the recess, the above-described effects can be achieved.
The oil pipe interface is arranged at the center of the indexing oil cylinder flange 43 and penetrates through the convex part 43a along the axial direction through the axial oil duct 43 b; the boss portion 43a also has a radial oil passage 43c, and the radial oil passage 43c communicates with the axial oil passage 43b, and its opening is located at the root of the boss portion 43 a.
By adopting the structure, a gap exists between the contact surfaces of the piston and the flange of the indexing oil cylinder, oil is filled in the gap in advance, and when the oil cylinder performs reversing operation, oil pressure can be instantly supplied to the piston, so that the oil cylinder can respond more quickly; meanwhile, the oil cylinder flange is provided with axial and radial bidirectional oil ducts, oil liquid can flow more smoothly due to the design, the blocking probability is lower, and the oil cylinder can work more stably and efficiently.
It should be noted that the arrangement of the oil passages inside the index cylinder flange 43 is not limited to the axial oil passage 43b and the radial oil passage 43c, and other arrangements may be adopted according to the actual situation, for example: on the premise of meeting the strength requirement of the indexing oil cylinder flange 43, a plurality of radial oil passages can be arranged at the same time.
As shown in fig. 1 to 3, the rotation transmitting member further includes a sun gear 52 and a key-following gear 53 provided in correspondence with the spline shaft 31; the sun gear 52 is mounted on the telescopic cylinder mounting bracket 11 through a sun gear centering shaft 112 and fixed by a gear positioning plate 112a and a lock nut 112b, each of the follower gears 53 is located on the corresponding spline shaft 31 and fixed by the gear positioning plate 112a and the second guide bush 111, and the input gear 51 is located on one of the spline shafts 31 and fixed by a U-shaped bracket 131 and a spacer 132. The spline shaft 31 on which the input gear 51 is disposed is a driving spline shaft 311, and the key following gear 53 on the driving spline shaft 311 is a driving key following gear.
It should be noted that the above-mentioned fixing method is only one specific fixing method for each gear in the rotation transmission component, and other fixing methods can be used without affecting the specific function thereof, for example: the mode of welding connection fixing or pin connection fixing can be adopted.
As shown in fig. 1, 3, and 5, when the pressing member switches the working positions, the piston 44 with rack moves to drive the input gear 51 to rotate, the input gear 51 rotates to drive the driving spline shaft 311 to rotate, and further drive the driving follower gear 531 on the driving spline shaft 311 to rotate, the driving follower gear 531 rotates to drive the central gear 52 engaged therewith to rotate, the central gear 52 rotates to drive the other follower gears 53 except the driving follower gear 531 to rotate, and further drive the other spline shafts 31 except the driving spline shaft 311 to rotate, and finally, the working position switching of the corresponding pressing member 33 on each spline shaft 31 is realized.
As shown in fig. 6, the utility model also provides a rear axle half shaft press-fitting device 6, which comprises a workbench 61, a rear axle half shaft press-fitting device 62, a grid 63 and a control box 64; the rear axle half shaft press-fitting device 61 is mounted on the workbench 61, a grid 63 is arranged on the workbench 61, the control box 64 is located on one side of the grid 63, and a control switch for controlling the start and stop of the rear axle half shaft press-fitting equipment 6 is arranged in the control box 64.
It should be noted that the rear axle half-shaft press-fitting apparatus described above is only one possible form of construction, and that there are other forms, such as: the control box 64 may be mounted on the table 61 instead of the grid 63; the grid 63 may be replaced with an iron plate frame or the like.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (11)
1. The utility model provides a rear axle semi-axis pressure equipment device for the pressure equipment of many bolts of car rear axle semi-axis, a serial communication port, including the installation main part, be provided with on it and remain pressure equipment semi-axis installation department, just be provided with in the installation main part:
the pressing piece is provided with an installation working position and a pressing working position in a plane perpendicular to the pressing direction;
the press-fitting driving part is used for driving the press-fitting moving part to move along the pressing direction of the bolt;
the pressing piece comprises a rotation driving part and a rotation transmission part, wherein the rotation driving part drives the pressing moving part to rotate through the rotation transmission part so that the pressing piece can be switched between two working positions.
2. The rear axle half shaft press-fitting device as claimed in claim 1, wherein the mounting body comprises a telescopic cylinder mounting bracket, the press-fitting driving part comprises a plurality of telescopic cylinders mounted on the telescopic cylinder mounting bracket, and each telescopic cylinder is connected with the corresponding press-fitting moving part through a telescopic cylinder connector.
3. The rear axle half shaft press-fitting device according to claim 2, further comprising a proximity switch arranged on a proximity switch bracket, wherein the proximity switch bracket is mounted on the telescopic cylinder mounting bracket, and the proximity switch detects displacement of the press-fitting moving part and sends a control signal to the press-fitting driving part and the rotating driving part so as to control movement of the rear axle half shaft press-fitting device.
4. The rear axle half shaft press-fitting device according to claim 3, wherein the mounting body comprises a base plate, each of the press-fitting moving parts comprises a spline shaft, one end of the spline shaft is connected with the corresponding telescopic cylinder connector, and the other end of the spline shaft is provided with the pressing piece; the middle section of the spline shaft is provided with a first guide sleeve and a second guide sleeve, the first guide sleeve is arranged between the spline shaft and the base plate, and the second guide sleeve is arranged between the spline shaft and the telescopic cylinder mounting bracket.
5. The rear axle half shaft press-fitting device according to claim 4, wherein the mounting body comprises an indexing cylinder mounting bracket, the rotary driving member comprises an indexing cylinder mounted on the indexing cylinder mounting bracket, a rack is arranged on a piston of the indexing cylinder, and the rack is engaged with an input gear of the rotation transmission member to drive the press-fitting moving member to rotate through the rotation transmission member.
6. The rear axle half shaft press-fitting device according to claim 5, wherein the indexing cylinder comprises an indexing cylinder seat fixedly connected with the indexing cylinder mounting bracket, two indexing cylinder sleeves and two indexing cylinder flanges; the two transposition oil cylinder sleeves are respectively installed at two ends of the transposition oil cylinder seat, the outer side of each transposition oil cylinder sleeve is respectively provided with a transposition oil cylinder flange, and an oil pipe interface is arranged on each transposition oil cylinder flange; two ends of the piston are respectively inserted into the transposition oil cylinder sleeves at the two ends, and respectively form working oil cavities with the corresponding transposition oil cylinder flanges; wherein the rack is located in the middle of the piston and is engaged with the input gear of the rotation transmitting member through a through opening of the indexing cylinder block.
7. The rear axle half shaft press-fitting device according to claim 6, wherein a first sealing member between the indexing cylinder flange and the indexing cylinder sleeve is arranged on an insertion section of the indexing cylinder flange, which is matched with the indexing cylinder sleeve; and the second sealing piece between the transposition oil cylinder sleeve and the piston is arranged on the matching section of the piston matched with the transposition oil cylinder sleeve.
8. The rear axle half shaft press-fitting device according to claim 7, wherein the indexing cylinder flange has a convex portion formed to extend axially inward from a body thereof, and correspondingly, the end surface of the piston has a concave portion fitted with the convex portion; and is configured to: and under the state that the concave part is abutted against the convex part, a preset distance is reserved between the end surface of the piston and the body of the indexing oil cylinder flange.
9. The rear axle half shaft press-fitting device according to claim 8, wherein the oil pipe interface is arranged at a central position of the indexing oil cylinder flange, and the oil pipe interface axially penetrates through the convex part through an axial oil passage; the convex part is also provided with a radial oil passage, the radial oil passage is communicated with the axial oil passage, and the opening of the radial oil passage is positioned at the root part of the convex part.
10. The rear axle half shaft press-fitting device according to any one of claims 5 to 9, wherein the rotation transmitting member further includes a sun gear and a key following gear disposed in correspondence with the spline shaft; the central gear is arranged on the telescopic cylinder mounting bracket through a central gear centering shaft, and each key-following gear is coaxially fixed with the corresponding spline shaft and is respectively meshed with the central gear; and the input gear is coaxially fixed with one of the spline shafts.
11. A rear axle half shaft press-fitting device is characterized by comprising a workbench, a control box and a rear axle half shaft press-fitting device as claimed in any one of claims 1 to 9; the rear axle half shaft press-fitting device is installed on the workbench, and the control box is provided with a control switch for controlling the start and stop of the rear axle half shaft press-fitting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301476.3U CN210789906U (en) | 2019-08-12 | 2019-08-12 | Rear axle semi-axis pressure equipment and pressure equipment device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301476.3U CN210789906U (en) | 2019-08-12 | 2019-08-12 | Rear axle semi-axis pressure equipment and pressure equipment device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789906U true CN210789906U (en) | 2020-06-19 |
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ID=71243681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301476.3U Active CN210789906U (en) | 2019-08-12 | 2019-08-12 | Rear axle semi-axis pressure equipment and pressure equipment device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789906U (en) |
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2019
- 2019-08-12 CN CN201921301476.3U patent/CN210789906U/en active Active
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