CN216299174U - Main shaft assembly positioning pin press-fitting device of automobile electric power steering device - Google Patents
Main shaft assembly positioning pin press-fitting device of automobile electric power steering device Download PDFInfo
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- CN216299174U CN216299174U CN202123067518.1U CN202123067518U CN216299174U CN 216299174 U CN216299174 U CN 216299174U CN 202123067518 U CN202123067518 U CN 202123067518U CN 216299174 U CN216299174 U CN 216299174U
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Abstract
The utility model discloses a press mounting device for a positioning pin of a main shaft assembly of an automobile electric power steering device, which comprises an input shaft positioning component for positioning an input shaft, an output shaft positioning component for positioning an output shaft, a first upper guide sleeve which is arranged on the input shaft positioning component and used for guiding the positioning pin to be assembled, and a second upper guide sleeve which is arranged on the output shaft positioning component and used for guiding another positioning pin to be assembled, wherein the input shaft positioning component and the output shaft positioning component are arranged oppositely. The positioning pin press-fitting device for the spindle assembly of the automobile electric power steering device can reduce manual complicated operation, reduce the labor intensity of workers, realize high press-fitting speed and improve the production efficiency and the product press-fitting qualification rate.
Description
Technical Field
The utility model belongs to the technical field of production equipment of vehicle steering systems, and particularly relates to a press-fitting device for a positioning pin of a main shaft assembly of an automobile electric power steering device.
Background
When the positioning pin of the main shaft assembly of the electric power steering device of the automobile is pressed, the positioning pin is required to be completely pressed into the output shaft, the input shaft and the torsion bar to be connected, and the pressing depth is in a specified range, so that firm and stable connection among the positioning pin, the output shaft, the input shaft and the torsion bar is ensured, and the positioning pin is not easy to fall off. The existing positioning pin is mainly pressed by a manual press in the pressing process, and the pressing tool is too inconvenient in structure and low in pressing efficiency.
Specifically, the conventional assembly method has the following problems:
1. in the press fitting process, the press fitting process is complex, time and labor are wasted, the working efficiency is low, and the assembly cost is increased; the press-fitting angle is not easy to master, the positioning pin is easy to crush, and the safety is poor;
2. because the output shaft, the input shaft and the torsion bar have higher hole diameter processing precision, the press mounting stability can not be met in the press mounting process, and the press-in depth is difficult to control.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a press mounting device for a positioning pin of a main shaft assembly of an automobile electric power steering device, and aims to improve the press mounting efficiency.
In order to achieve the purpose, the utility model adopts the technical scheme that: a main shaft assembly positioning pin press-fitting device of an automobile electric power steering device comprises an input shaft positioning component for positioning an input shaft, an output shaft positioning component for positioning an output shaft, a first upper guide sleeve arranged on the input shaft positioning component and used for guiding a positioning pin to be assembled and a second upper guide sleeve arranged on the output shaft positioning component and used for guiding another positioning pin to be assembled, wherein the input shaft positioning component and the output shaft positioning component are arranged oppositely.
The input shaft positioning assembly comprises a first positioning vertical plate, a first positioning block arranged on the first positioning vertical plate, an input shaft limiting block arranged on the first positioning block, a first guide positioning block arranged on the first positioning vertical plate and positioned above the first positioning block, a first guide positioning pin movably arranged and used for positioning the input shaft and the torsion bar, and a first reset mechanism arranged on the first positioning vertical plate and used for providing elastic supporting force for the first guide positioning pin, wherein the first upper guide sleeve is arranged on the first guide positioning block.
The first reset mechanism comprises a first guide rod, a first connecting and positioning pin sleeve and a first spring, the first guide rod is movably arranged, the first connecting and positioning pin sleeve is arranged on the first guide rod, the first spring is arranged inside the first positioning vertical plate and applies upward elastic acting force to the first guide rod, and the first guiding and positioning pin is arranged on the first connecting and positioning pin sleeve.
The first reset mechanism further comprises a first bolt arranged on the first guide rod, the first positioning vertical plate is provided with a first guide groove for the first bolt to pass through, and the first guide groove is vertically arranged.
The output shaft positioning assembly comprises a second positioning vertical plate, a second positioning block arranged on the second positioning vertical plate, an output shaft limiting block arranged on the second positioning block, a second guiding positioning block arranged on the second positioning vertical plate and positioned above the second positioning block, a second guiding positioning pin movably arranged and used for positioning the output shaft and the torsion bar, and a second reset mechanism arranged on the second positioning vertical plate and used for providing elastic supporting force for the second guiding positioning pin, wherein the second upper guiding sleeve is arranged on the second guiding positioning block.
The second reset mechanism comprises a second guide rod which can be movably arranged, a second connecting positioning pin sleeve which is arranged on the second guide rod and a second spring which is arranged inside the second positioning vertical plate and applies upward elastic acting force to the second guide rod, and the second guiding positioning pin is arranged on the second connecting positioning pin sleeve.
The second reset mechanism further comprises a second bolt arranged on the second guide rod, the second positioning vertical plate is provided with a second guide groove for the second bolt to pass through, and the second guide groove is vertically arranged.
The first positioning vertical plate and the second positioning vertical plate are arranged on the bottom plate, and the distance between the first positioning vertical plate and the second positioning vertical plate is adjustable.
The positioning pin press-mounting device for the spindle assembly of the automobile electric power steering device can reduce complicated manual operation, reduce the labor intensity of workers, realize high press-mounting speed and improve the production efficiency and the product press-mounting qualification rate; and the press-in depth, the press-in accuracy and the stability of the positioning pin can be effectively controlled.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural diagram of a positioning pin press-fitting device for a spindle assembly of an electric power steering apparatus of an automobile according to the present invention;
FIG. 2 is a cross-sectional view of a positioning pin press-fitting device for a spindle assembly of an electric power steering apparatus of an automobile according to the present invention;
FIG. 3 is an isometric view of a locating pin press-fitting device for a spindle assembly of an electric power steering apparatus of an automobile according to the present invention;
labeled as: 1. positioning a press pin; 2. a first upper guide sleeve; 3. an input shaft; 4. a first connecting positioning pin sleeve; 5. a first guide bar; 6. a shaft sleeve; 7. the device comprises a torsion bar, 8, a first guide positioning block, 9, an output shaft, 10 and a first guide positioning pin; 11. a first bolt; 12. a first spring; 13. a spring support seat; 14. a base plate; 15. an input shaft limiting block; 16. a first connecting positioning pin; 17. a hexagon socket head cap screw; 18. a hexagon socket head cap screw; 19. a hexagonal nut; 20. a second guide positioning block; 21. a second upper guide sleeve; 22. a second connecting positioning pin sleeve; 23. a second guide bar; 24. a second guide positioning pin; 25. a second bolt; 26. a second spring; 27. an output shaft limiting block; 28. a second connecting positioning pin; 29. a first positioning block; 30. a second positioning block; 31. a first positioning vertical plate; 32. and a second positioning vertical plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 3, the utility model provides a press-fitting device for a positioning pin of a spindle assembly of an electric power steering device of an automobile, which comprises an input shaft positioning component for positioning an input shaft, an output shaft positioning component for positioning an output shaft, a first upper guide sleeve 2 arranged on the input shaft positioning component and used for guiding the positioning pin to be assembled, and a second upper guide sleeve 21 arranged on the output shaft positioning component and used for guiding another positioning pin to be assembled, wherein the input shaft positioning component and the output shaft positioning component are arranged oppositely. And respectively inserting two positioning pins to be assembled into pin holes of the input shaft and the torsion bar and pin holes of the output shaft and the torsion bar to realize the connection of the output shaft and the torsion bar, thereby forming a main shaft assembly, wherein the axes of the two positioning pins are parallel.
Specifically, as shown in fig. 1 to 3, the input shaft positioning assembly includes a first positioning vertical plate 31, a first positioning block 29 disposed on the first positioning vertical plate 31, an input shaft limiting block 15 disposed on the first positioning block 29, a first guiding positioning block 8 disposed on the first positioning vertical plate 31 and located above the first positioning block 29, a first guiding positioning pin 10 movably disposed and used for positioning the input shaft and the torsion bar, and a first resetting mechanism disposed on the first positioning vertical plate 31 and providing an elastic supporting force for the first guiding positioning pin 10, wherein the first upper guiding sleeve 2 is disposed on the first guiding positioning block 8. First locating riser 31 is vertical setting, and first locating block 29 passes through hexagon socket head cap screw and installs on the top surface of first locating riser 31, and input shaft stopper 15 installs on first locating block 29, and input shaft stopper 15 has the first locating hole that lets the input shaft embedding, and first locating hole is semi-circular hole, and the axis in first locating hole parallels with the first direction, and the first direction is the horizontal direction. The first guide positioning block 8 is placed on the top surface of the first positioning block 29, the first guide positioning block 8 is separable from the first positioning block 29, the first guide positioning block 8 is positioned on the first positioning block 29 through the first connecting positioning pin 16, the first guide positioning block 8 and the first positioning block 29 are provided with vertical positioning holes for the first connecting positioning pin 16 to be inserted into, the first connecting positioning pin 16 is vertically arranged, the first connecting positioning pins 16 are arranged in two numbers, the two first connecting positioning pins 16 are positioned on the same straight line parallel to the second direction, and the second direction is horizontal and perpendicular to the first direction. The first upper guide sleeve 2 is vertically arranged on the first guide positioning block 8, the first upper guide sleeve 2 is inserted into the first guide positioning block 8, the first upper guide sleeve 2 is of a structure with two open ends and hollow inside, the first upper guide sleeve 2 and the first guide positioning pin 10 are coaxially arranged, the first upper guide sleeve 2 is positioned above the input shaft, and the first upper guide sleeve 2 is used for guiding the positioning pin to be assembled to move downwards so that the positioning pin is inserted into pin holes aligned on the input shaft and the torsion bar. The first guide positioning pin 10 is vertically arranged, the first guide positioning pin 10 penetrates through the first positioning block 29 and the input shaft limiting block 15, a through hole allowing the first guide positioning pin 10 to penetrate through is formed in the center of the first positioning block 29 and the center of the input shaft limiting block 15, the first guide positioning pin 10 is used for positioning the input shaft and the torsion bar, and the first guide positioning pin 10 is inserted into aligned pin holes in the input shaft and the torsion bar, so that the positions of the input shaft and the torsion bar are accurate. The positioning pressure pin 1 is arranged in the first upper guide sleeve 2, the positioning pressure pin 1 is used for receiving downward pressure applied by the outside so as to push the positioning pin to be assembled in the first upper guide sleeve 2 to move downwards, the positioning pressure pin 1 is vertically arranged, and the upper end of the positioning pressure pin 1 extends upwards to the outside of the first upper guide sleeve 2. In the downward movement process of the positioning pin to be assembled, after the lower end of the positioning pin is contacted with the upper end of the first guide positioning pin 10, the positioning pin can push the first guide positioning pin 10 to move downward, and finally the positioning pin is pressed into aligned pin holes on the input shaft and the torsion bar.
As shown in fig. 1 to 3, the first reset mechanism includes a first guide rod 5 movably disposed, a first connecting positioning pin sleeve 4 disposed on the first guide rod 5, and a first spring 12 disposed inside the first positioning vertical plate 31 and applying an upward elastic force to the first guide rod 5, and the first guiding positioning pin 10 is disposed on the first connecting positioning pin sleeve 4. The first guide rod 5 and the first spring 12 are arranged in the inner cavity of the first positioning vertical plate 31, the first guide rod 5 is located below the first positioning block 29, the first connecting positioning pin sleeve 4 is vertically arranged in the first guide rod 5, the first connecting positioning pin sleeve 4 is inserted into the first positioning block 29 and the input shaft limiting block 15, and the first guiding positioning pin 10 is inserted into a central hole of the first connecting positioning pin sleeve 4. The first spring 12 is located below the first guide rod 5, and the first spring 12 is a cylindrical coil spring and is a compression spring. After the press mounting is completed, under the action of the first spring 12, the first guide rod 5 moves upwards and drives the first connecting and positioning pin sleeve 4 and the first guiding and positioning pin 10 to move upwards, so that the resetting is realized.
As shown in fig. 1 to 3, the first resetting mechanism further includes a first bolt 11 disposed on the first guide rod 5, the first positioning vertical plate 31 has a first guide groove for the first bolt 11 to pass through, the first guide groove is vertically disposed, the length of the first guide groove is greater than the diameter of the first bolt 11, the axis of the first bolt 11 is parallel to the first direction, one end of the first bolt 11 is connected with the first guide rod 5, and the other end of the first bolt 11 is located outside the first positioning vertical plate 31. During the process that the first guide rod 5 moves up and down, the first bolt 11 slides in the first guide groove to play a guiding role.
As shown in fig. 1 to 3, the output shaft positioning assembly includes a second positioning vertical plate 32, a second positioning block 30 disposed on the second positioning vertical plate 32, an output shaft limiting block 27 disposed on the second positioning block 30, a second guiding positioning block 20 disposed on the second positioning vertical plate 32 and located above the second positioning block 30, a second guiding positioning pin 24 movably disposed and used for positioning the output shaft and the torsion bar, and a second resetting mechanism disposed on the second positioning vertical plate 32 and providing an elastic supporting force for the second guiding positioning pin 24, wherein the second upper guiding sleeve 21 is disposed on the second guiding positioning block 20. The second positioning vertical plate 32 is vertically arranged, the second positioning block 30 is installed on the top surface of the second positioning vertical plate 32 through a hexagon socket head cap screw, the output shaft limiting block 27 is installed on the second positioning block 30, the output shaft limiting block 27 is provided with a second positioning hole for embedding an output shaft, the second positioning hole is a semicircular hole, the axis of the second positioning hole is parallel to the first direction, and the first positioning hole and the second positioning hole are coaxially arranged, so that the input shaft and the output shaft can be kept coaxial. The second guiding and positioning block 20 is placed on the top surface of the second positioning block 30, the second guiding and positioning block 20 is separable from the second positioning block 30, the second guiding and positioning block 20 is positioned on the second positioning block 30 through the second connecting and positioning pin 28, the second guiding and positioning block 20 and the second positioning block 30 are provided with vertical positioning holes into which the second connecting and positioning pin 28 is inserted, the second connecting and positioning pin 28 is vertically arranged, the number of the second connecting and positioning pins 28 is two, and the two second connecting and positioning pins 28 are located on the same straight line parallel to the second direction. The second upper guide sleeve 21 is vertically arranged on the second guide positioning block 20, the second upper guide sleeve 21 is inserted into the second guide positioning block 20, the second upper guide sleeve 21 is of a structure with two open ends and hollow inside, the second upper guide sleeve 21 and the second guide positioning pin 24 are coaxially arranged, the second upper guide sleeve 21 is positioned above the output shaft, and the second upper guide sleeve 21 is used for guiding the positioning pin to be assembled to move downwards so that the positioning pin is inserted into aligned pin holes in the output shaft and the torsion bar. The second guide positioning pin 24 is vertically arranged, the second guide positioning pin 24 penetrates through the second positioning block 30 and the output shaft limiting block 27, a through hole allowing the second guide positioning pin 24 to penetrate through is formed in the centers of the second positioning block 30 and the output shaft limiting block 27, the second guide positioning pin 24 is used for positioning the output shaft and the torsion bar, and the second guide positioning pin 24 is inserted into aligned pin holes in the output shaft and the torsion bar, so that the positions of the output shaft and the torsion bar are accurate. The second upper guide sleeve 21 is provided with a positioning pressure pin 1, the positioning pressure pin 1 is used for receiving downward pressure applied from the outside so as to push a positioning pin to be assembled in the second upper guide sleeve 21 to move downwards, the positioning pressure pin 1 is vertically arranged, and the upper end of the positioning pressure pin 1 extends upwards to the outside of the second upper guide sleeve 21. In the downward movement process of the positioning pin to be assembled, after the lower end of the positioning pin is contacted with the upper end of the second guide positioning pin 24, the positioning pin can push the second guide positioning pin 24 to move downward, and finally the positioning pin is pressed into aligned pin holes on the output shaft and the torsion bar.
As shown in fig. 1 to 3, the second reset mechanism includes a second guide rod 23 movably disposed, a second connecting positioning pin sleeve 22 disposed on the second guide rod 23, and a second spring 26 disposed inside the second positioning vertical plate 32 and applying an upward elastic force to the second guide rod 23, and the second guiding positioning pin 24 is disposed on the second connecting positioning pin sleeve 22. The second guide rod 23 and the second spring 26 are arranged in the inner cavity of the second positioning vertical plate 32, the second guide rod 23 is located below the second positioning block 30, the second connecting positioning pin sleeve 22 is vertically arranged in the second guide rod 23, the second connecting positioning pin sleeve 22 is inserted into the second positioning block 30 and the output shaft limiting block 27, and the second guiding positioning pin 24 is inserted into the central hole of the second connecting positioning pin sleeve 22. The second spring 26 is located below the second guide rod 23, and the second spring 26 is a cylindrical coil spring and is a compression spring. After the press fitting is completed, under the action of the second spring 26, the second guide rod 23 moves upward, and drives the second connecting positioning pin sleeve 22 and the second guiding positioning pin 24 to move upward, so that the resetting is realized.
As shown in fig. 1 to 3, the second resetting mechanism further includes a second bolt 25 disposed on the second guide rod 23, the second positioning vertical plate 32 has a second guide slot for the second bolt 25 to pass through, the second guide slot is vertically disposed, the length of the second guide slot is greater than the diameter of the second bolt 25, the axis of the second bolt 25 is parallel to the first direction, one end of the second bolt 25 is connected to the second guide rod 23, and the other end of the second bolt 25 is located outside the second positioning vertical plate 32. During the process that the second guide rod 23 moves up and down, the second bolt 25 slides in the second guide groove to play a guiding role.
As shown in fig. 1 to 3, the first positioning vertical plate 31 and the second positioning vertical plate 32 are located on the same straight line parallel to the first direction, the first positioning vertical plate 31 and the second positioning vertical plate 32 are disposed on the bottom plate 14, and a distance between the first positioning vertical plate 31 and the second positioning vertical plate 32 is adjustable, so as to be suitable for assembling spindle assemblies with different lengths. The first positioning vertical plate 31 and the second positioning vertical plate 32 are installed on the bottom plate 14 through the hexagon socket head cap screw 18, a sliding groove for the hexagon socket head cap screw 18 to pass through is formed in the bottom plate 14, and the length direction of the sliding groove is parallel to the first direction. After the positions of the first positioning vertical plate 31 and the second positioning vertical plate 32 are adjusted, the distance between the first positioning vertical plate 31 and the second positioning vertical plate 32 meets the requirement, and then the hexagon socket head cap screw 18 and the hexagon nut 19 are screwed, so that the first positioning vertical plate 31 and the second positioning vertical plate 32 are fixed on the bottom plate 14.
The utility model is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the utility model are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the utility model; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (8)
1. Automobile electric power assisted steering device main shaft assembly locating pin pressure equipment device, its characterized in that: the positioning device comprises an input shaft positioning component for positioning an input shaft, an output shaft positioning component for positioning an output shaft, a first upper guide sleeve which is arranged on the input shaft positioning component and used for guiding a positioning pin to be assembled and a second upper guide sleeve which is arranged on the output shaft positioning component and used for guiding another positioning pin to be assembled, wherein the input shaft positioning component and the output shaft positioning component are arranged oppositely.
2. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 1, characterized in that: the input shaft positioning assembly comprises a first positioning vertical plate, a first positioning block arranged on the first positioning vertical plate, an input shaft limiting block arranged on the first positioning block, a first guide positioning block arranged on the first positioning vertical plate and positioned above the first positioning block, a first guide positioning pin movably arranged and used for positioning the input shaft and the torsion bar, and a first reset mechanism arranged on the first positioning vertical plate and used for providing elastic supporting force for the first guide positioning pin, wherein the first upper guide sleeve is arranged on the first guide positioning block.
3. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 2, characterized in that: the first reset mechanism comprises a first guide rod, a first connecting and positioning pin sleeve and a first spring, the first guide rod is movably arranged, the first connecting and positioning pin sleeve is arranged on the first guide rod, the first spring is arranged inside the first positioning vertical plate and applies upward elastic acting force to the first guide rod, and the first guiding and positioning pin is arranged on the first connecting and positioning pin sleeve.
4. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 3, characterized in that: the first reset mechanism further comprises a first bolt arranged on the first guide rod, the first positioning vertical plate is provided with a first guide groove for the first bolt to pass through, and the first guide groove is vertically arranged.
5. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering apparatus for an automobile according to any one of claims 2 to 4, characterized in that: the output shaft positioning assembly comprises a second positioning vertical plate, a second positioning block arranged on the second positioning vertical plate, an output shaft limiting block arranged on the second positioning block, a second guiding positioning block arranged on the second positioning vertical plate and positioned above the second positioning block, a second guiding positioning pin movably arranged and used for positioning the output shaft and the torsion bar, and a second reset mechanism arranged on the second positioning vertical plate and used for providing elastic supporting force for the second guiding positioning pin, wherein the second upper guiding sleeve is arranged on the second guiding positioning block.
6. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 5, characterized in that: the second reset mechanism comprises a second guide rod which can be movably arranged, a second connecting positioning pin sleeve which is arranged on the second guide rod and a second spring which is arranged inside the second positioning vertical plate and applies upward elastic acting force to the second guide rod, and the second guiding positioning pin is arranged on the second connecting positioning pin sleeve.
7. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 6, characterized in that: the second reset mechanism further comprises a second bolt arranged on the second guide rod, the second positioning vertical plate is provided with a second guide groove for the second bolt to pass through, and the second guide groove is vertically arranged.
8. The press fitting device for the positioning pin of the main shaft assembly of the electric power steering device of the automobile according to claim 5, characterized in that: the first positioning vertical plate and the second positioning vertical plate are arranged on the bottom plate, and the distance between the first positioning vertical plate and the second positioning vertical plate is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067518.1U CN216299174U (en) | 2021-12-08 | 2021-12-08 | Main shaft assembly positioning pin press-fitting device of automobile electric power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067518.1U CN216299174U (en) | 2021-12-08 | 2021-12-08 | Main shaft assembly positioning pin press-fitting device of automobile electric power steering device |
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| Publication Number | Publication Date |
|---|---|
| CN216299174U true CN216299174U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123067518.1U Active CN216299174U (en) | 2021-12-08 | 2021-12-08 | Main shaft assembly positioning pin press-fitting device of automobile electric power steering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN216299174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056182A (en) * | 2022-07-04 | 2022-09-16 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
-
2021
- 2021-12-08 CN CN202123067518.1U patent/CN216299174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056182A (en) * | 2022-07-04 | 2022-09-16 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
| CN115056182B (en) * | 2022-07-04 | 2024-01-26 | 安徽德孚转向系统股份有限公司 | Rack shell assembly press-fitting tool for electric power steering system of light commercial vehicle |
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