CN110842830A - Auxiliary tool for mounting passenger car steering shaft - Google Patents
Auxiliary tool for mounting passenger car steering shaft Download PDFInfo
- Publication number
- CN110842830A CN110842830A CN201911130021.4A CN201911130021A CN110842830A CN 110842830 A CN110842830 A CN 110842830A CN 201911130021 A CN201911130021 A CN 201911130021A CN 110842830 A CN110842830 A CN 110842830A
- Authority
- CN
- China
- Prior art keywords
- clamping arm
- steering shaft
- hinged
- arm assembly
- turntable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention provides an auxiliary tool for mounting a steering shaft of a passenger car, which comprises a base, a positioning seat, a swing rod cylinder, a turntable, a left clamping arm assembly and a right clamping arm assembly, wherein the positioning seat is mounted on the base and can support the steering shaft; the turntable is hinged to the side wall of the positioning seat along the longitudinal direction, the swing rod of the swing rod air cylinder, the left clamping arm assembly and the right clamping arm assembly are hinged to the turntable respectively, the hinged points of the left clamping arm assembly and the right clamping arm assembly on the turntable are located on two sides of the hinged point of the swing rod air cylinder on the turntable respectively, the upper ends of the left clamping arm assembly and the right clamping arm assembly are hinged to the top of the positioning seat respectively, and the swing rod air cylinder can drive the turntable to rotate so that the upper ends of the left clamping arm assembly and the right clamping. The auxiliary tool solves the problems of high part cost, unsynchronized steering shaft clamping and poor clamping stability of the auxiliary tool for the steering shaft.
Description
Technical Field
The invention belongs to the technical field of assembly of a passenger car steering gear, and particularly relates to an auxiliary tool for mounting a passenger car steering shaft.
Background
The steering shaft is a key part in a steering system of a passenger car, and transmits steering torque acted on a steering wheel by a driver to a steering gear, the upper end of the steering shaft is fixedly connected with the steering wheel, and the lower end of the steering shaft is connected with the steering gear through a universal joint. When a steering system is installed, an auxiliary tool is needed to fix a steering shaft to prevent the steering shaft from sliding and rotating, the existing auxiliary tool for installing part of the steering shaft adopts two driving devices to respectively drive two clamping plates to clamp the steering shaft, the part cost of the tool is increased, the action time of the two clamping plates of the tool cannot be completely consistent, the steering shaft cannot be clamped synchronously, the steering shaft can shake or rotate, and the clamping stability of the tool to the steering shaft is reduced.
Disclosure of Invention
The invention aims to provide an auxiliary tool for mounting a steering shaft of a passenger car, and aims to solve the problems that the auxiliary tool for the steering shaft is high in part cost, asynchronous in clamping of the steering shaft and poor in clamping stability when a passenger car steering system is assembled.
The invention provides the following technical scheme:
an auxiliary tool for mounting a steering shaft of a passenger car comprises a base, a positioning seat, a swing rod cylinder, a rotary table, a left clamping arm assembly and a right clamping arm assembly, wherein the positioning seat is mounted on the base and can support the steering shaft; the turntable is longitudinally hinged to the side wall of the positioning seat, the swing rod of the swing rod cylinder, the left clamping arm assembly and the right clamping arm assembly are respectively hinged to the turntable, the hinged point of the left clamping arm assembly and the hinged point of the right clamping arm assembly on the turntable are respectively located on two sides of the hinged point of the swing rod cylinder on the turntable, the upper ends of the left clamping arm assembly and the right clamping arm assembly are respectively hinged to the top of the positioning seat, and the swing rod cylinder can drive the turntable to rotate so that the upper ends of the left clamping arm assembly and the right clamping arm assembly simultaneously compress the steering shaft.
Preferably, the turntable is uniformly provided with a first hinge hole, a second hinge hole and a third hinge hole on the same circumference, and the swing rod of the swing rod cylinder is hinged on the first hinge hole; a left hinged support and a right hinged support are respectively fixed on the left side and the right side of the positioning seat, the left clamping arm assembly comprises a left connecting rod and a left clamping arm which are hinged with each other, the lower end of the left connecting rod is hinged to the second hinge hole, the upper end of the left clamping arm is hinged to the left hinged support, and a left clamping plate for clamping a steering shaft is mounted on the upper end face of the left clamping arm; the right clamping arm assembly comprises a right connecting rod and a right clamping arm which are hinged with each other, the lower end of the right connecting rod is hinged to the third hinged hole, the upper end of the right clamping arm is hinged to the right hinged seat, a right clamping plate used for clamping a steering shaft is installed on the upper end face of the right clamping arm, and the left clamping plate and the right clamping plate can simultaneously clamp or loosen the steering shaft.
Preferably, the left side arm lock with the lower extreme of right arm lock all is equipped with the spacing groove, the left side connecting rod perhaps the upper end of right connecting rod is located respectively the spacing inslot, works as the left side splint with right splint press from both sides tightly during the steering spindle, the left side connecting rod perhaps the upper end butt of right connecting rod the lateral wall of spacing groove.
Preferably, the limiting groove comprises a space avoiding portion and a limiting portion, the space avoiding portion is located on the upper side of the limiting portion and is recessed inwards relative to the limiting portion, and the space avoiding portion provides a rotating space for the left connecting rod or the right connecting rod.
Preferably, the left clamping plate and the right clamping plate are both arc plates matched with the curvature of the circumferential wall of the steering shaft.
Preferably, the surface of the left clamping plate and the surface of the right clamping plate are fixed with buffer rubber layers, and a plurality of rubber bulges are arranged on the buffer rubber layers.
Preferably, the top surface of the positioning seat is provided with a positioning groove matched with the curvature of the circumferential wall of the steering shaft.
The invention has the beneficial effects that: according to the invention, the turntable is arranged on the positioning seat, the swing rod of the swing rod cylinder, the left clamping arm component and the right clamping arm component are respectively hinged on the turntable, the other ends of the left clamping arm component and the right clamping arm component are hinged on the positioning seat, the swing rod cylinder can drive the turntable to rotate for an angle, so that the included angle of the left clamping arm component and the included angle of the right clamping arm component can be automatically adjusted, the steering shaft is pressed downwards, the steering shaft is clamped, and a universal joint or a steering wheel can be conveniently arranged at the end part of the steering; the tool only uses one swing rod cylinder as a driving device, so that the left clamping arm assembly and the right clamping arm assembly can be driven to simultaneously move to clamp the steering shaft, the clamping movement is synchronous, stable and efficient, and the configuration cost of the driving device is saved. The tool can also be suitable for clamping and positioning other cylindrical workpieces.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the steering shaft of the present invention after release;
FIG. 2 is a schematic view of the construction of the present invention when clamping a steering shaft;
labeled as: 1. a base; 2. positioning seats; 3. a swing rod cylinder; 4. a turntable; 5. a left clamp arm assembly; 6. a right clamp arm assembly; 7. positioning a groove; 8. a steering shaft; 9. a left free bearing; 10. a right free bearing; 11. a first hinge hole; 12. a second hinge hole; 13. a third hinge hole; 14. a swing lever; 15. a left connecting rod; 16. a left clamp arm; 17. a left splint; 18. a right connecting rod; 19. a right clamp arm; 20. a right splint; 21. a limiting groove; 22. an evacuation section; 23. a limiting part; 24. a cushion rubber layer.
Detailed Description
The embodiment provides an auxiliary fixtures of passenger train steering shaft installation for when the tip installation universal joint of steering shaft or steering wheel, press from both sides tight location with the steering shaft, with improvement installation accuracy and installation effectiveness.
As shown in fig. 1 and 2, the auxiliary tool comprises a base 1, a positioning seat 2, a swing rod cylinder 3, a turntable 4, a left clamping arm assembly 5 and a right clamping arm assembly 6.
The positioning seat 2 is installed on the base 1 through a bolt, an arc-shaped positioning groove 7 matched with the curvature of the circumferential wall of the steering shaft 8 is formed in the top of the positioning seat 2, and the positioning groove 7 can support and pre-position the steering shaft 8. The left and right sides of the positioning seat 2 are respectively fixed with a left hinged support 9 and a right hinged support 10.
The rotary table 4 is vertically hinged on the side wall of the positioning seat 2, and the hinged point of the rotary table 4 is located in the center of the rotary table 4. First hinge holes 11, second hinge holes 12 and third hinge holes 13 are uniformly distributed on the same circumference of the rotary table 4, a swing rod 14 of the swing rod cylinder 3 is hinged on the first hinge holes 11, the swing rod cylinder is a known technology, the swing rod of the swing rod cylinder is arranged on a piston rod through a joint bearing and can swing within a smaller angle range, and the swing rod cylinder 3 can drive the rotary table 4 to rotate. The left clamping arm component 5 comprises a left connecting rod 15 and a left clamping arm 16 which are hinged with each other, the lower end of the left connecting rod 15 is hinged on the second hinge hole 12, the upper end of the left clamping arm 16 is hinged on the left hinge seat 9, and a left clamping plate 17 used for clamping the steering shaft 8 is installed on the upper end face of the left clamping arm 16. The right clamping arm assembly 6 comprises a right connecting rod 18 and a right clamping arm 19 which are hinged with each other, the lower end of the right connecting rod 18 is hinged to the third hinged hole 13, the upper end of the right clamping arm 19 is hinged to the right hinged seat 10, a right clamping plate 20 used for clamping the steering shaft 8 is installed on the upper end face of the right clamping arm 19, and the left clamping plate 17 and the right clamping plate 20 are both arc-shaped plates matched with the curvature of the circumferential wall of the steering shaft 8. As shown in fig. 1, in the initial state, the swing rod of the swing rod cylinder 3 is retracted, the hinge points of the left link 15 and the right link 18 on the turntable 4 are located on the opposite side and the obliquely upper side of the swing rod 14, respectively, and the left clamp plate 17 and the right clamp plate 20 are both in an open state. As shown in fig. 2, after the swing rod cylinder 3 extends out of the swing rod, the turntable 4 is driven to rotate clockwise by a set angle, so that the left connecting rod 15 and the right connecting rod 18 rotate clockwise at the same time, the hinge point of the left connecting rod 15 and the right connecting rod 18 on the turntable 4 moves to the position above the hinge point of the swing rod 14 on the turntable 4, and in the process of moving, the lower ends of the left clamping arm 16 and the right clamping arm 19 are automatically lifted, so that the left clamping plate 17 and the right clamping plate 20 on the upper end faces of the left clamping arm 16 and the right clamping arm 19 are pressed downwards at the same time, and the steering shaft 8 is clamped at. When the steering shaft 8 needs to be loosened, the swing rod cylinder 3 retracts the swing rod, and the left clamping arm assembly 5 and the right clamping arm assembly 6 move in opposite directions.
In order to make the clamping stroke of the left clamping arm assembly 5 and the right clamping arm assembly 6 more accurate and avoid the situation that the left clamping arm assembly 5 and the right clamping arm assembly 6 are damaged by overlarge stress or damage to the steering shaft due to overlarge thrust output by the swing rod cylinder 3, the lower ends of the left clamping arm 16 and the right clamping arm 19 are both provided with a limiting groove 21, the hinged parts of the upper ends of the left connecting rod 15 or the right connecting rod 18 are respectively positioned in the limiting grooves 21 and can move in the limiting grooves 21, and when the steering shaft 8 is clamped by the left clamping plate 17 and the right clamping plate 20, the upper ends of the left connecting rod 15 or the right connecting rod 18 just abut against the side wall of the limiting groove 21 to limit further rotation of the left clamping.
The limiting groove 21 comprises a space avoiding part 22 and a limiting part 23, the space avoiding part 22 is located on the oblique upper side of the limiting part 23, the space avoiding part 22 is recessed inwards relative to the limiting part 23, and the space avoiding part 22 provides a rotating space for the left connecting rod 15 or the right connecting rod 18 and does not interfere with the rotation of the left connecting rod 15 and the right connecting rod 18.
The surface of the left clamping plate 17 and the right clamping plate 20 is fixed with a buffer rubber layer 24, the buffer rubber layer 24 is provided with a plurality of rubber protrusions, and the rubber protrusions can increase the surface roughness of the buffer rubber layer 24, so that the friction force between the surface of the steering shaft 8 and the left clamping plate 17 or the right clamping plate 20 is increased, the steering shaft 8 is further effectively pressed, and the flexible rubber protrusions cannot crush the steering shaft 8.
The working process of the tool is as follows: in an initial state, the left clamping arm assembly 5 and the right clamping arm assembly 6 are opened, the steering shaft 8 is placed in the positioning groove 7, the swing rod cylinder 3 is started, the turntable 4 is pushed to rotate clockwise by an angle, the left clamping arm assembly 5 and the right clamping arm assembly 6 move correspondingly, the left clamping plate 17 and the right clamping plate 20 press the steering shaft 8 simultaneously, the steering shaft 8 is fixed, and steering parts such as a universal joint or a steering wheel are mounted at the end part of the steering shaft 8. After the installation is finished, the swing rod cylinder 3 resets to enable the left clamping arm assembly 5 and the right clamping arm assembly 6 to be restored to an open state, and the installed steering gear assembly is taken down.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An auxiliary tool for mounting a steering shaft of a passenger car is characterized by comprising a base, a positioning seat, a swing rod cylinder, a turntable, a left clamping arm assembly and a right clamping arm assembly, wherein the positioning seat is mounted on the base and can support the steering shaft; the turntable is vertically hinged to the side wall of the positioning seat, the swing rod of the swing rod cylinder, the left clamping arm assembly and the right clamping arm assembly are respectively hinged to the turntable, the hinged point of the left clamping arm assembly and the hinged point of the right clamping arm assembly on the turntable are respectively located on two sides of the hinged point of the swing rod cylinder on the turntable, the upper ends of the left clamping arm assembly and the right clamping arm assembly are respectively hinged to the top of the positioning seat, and the swing rod cylinder can drive the turntable to rotate so that the upper ends of the left clamping arm assembly and the right clamping arm assembly simultaneously press the steering shaft.
2. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 1, wherein first hinge holes, second hinge holes and third hinge holes are uniformly distributed on the same circumference of the turntable, and the swing rod of the swing rod cylinder is hinged to the first hinge holes; a left hinged support and a right hinged support are respectively fixed on the left side and the right side of the positioning seat, the left clamping arm assembly comprises a left connecting rod and a left clamping arm which are hinged with each other, the lower end of the left connecting rod is hinged to the second hinge hole, the upper end of the left clamping arm is hinged to the left hinged support, and a left clamping plate for clamping a steering shaft is mounted on the upper end face of the left clamping arm; the right clamping arm assembly comprises a right connecting rod and a right clamping arm which are hinged with each other, the lower end of the right connecting rod is hinged to the third hinged hole, the upper end of the right clamping arm is hinged to the right hinged seat, a right clamping plate used for clamping a steering shaft is installed on the upper end face of the right clamping arm, and the left clamping plate and the right clamping plate can simultaneously clamp or simultaneously loosen the steering shaft.
3. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 2, wherein the lower ends of the left clamping arm and the right clamping arm are respectively provided with a limiting groove, the upper ends of the left connecting rod or the right connecting rod are respectively located in the limiting grooves, and when the steering shaft is clamped by the left clamping plate and the right clamping plate, the upper ends of the left connecting rod or the right connecting rod are abutted to the side wall of the limiting groove.
4. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 3, wherein the limiting groove comprises a space avoiding portion and a limiting portion, the space avoiding portion is located on the upper side of the limiting portion and is recessed inwards relative to the limiting portion, and the space avoiding portion provides a rotating space for the left connecting rod or the right connecting rod.
5. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 4, wherein the left clamping plate and the right clamping plate are both arc plates matched with the curvature of the circumferential wall of the steering shaft.
6. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 5, wherein a cushion rubber layer is fixed on the surfaces of the left clamping plate and the right clamping plate, and a plurality of rubber protrusions are arranged on the cushion rubber layer.
7. The auxiliary tool for mounting the steering shaft of the passenger car according to claim 1, wherein a positioning groove matched with the curvature of the circumferential wall of the steering shaft is formed in the top surface of the positioning seat, and the steering shaft can be horizontally positioned in the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130021.4A CN110842830A (en) | 2019-11-18 | 2019-11-18 | Auxiliary tool for mounting passenger car steering shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130021.4A CN110842830A (en) | 2019-11-18 | 2019-11-18 | Auxiliary tool for mounting passenger car steering shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110842830A true CN110842830A (en) | 2020-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911130021.4A Pending CN110842830A (en) | 2019-11-18 | 2019-11-18 | Auxiliary tool for mounting passenger car steering shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110842830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283485A (en) * | 2020-03-02 | 2020-06-16 | 张彦辉 | Composition of coaxiality calibration processing equipment for aluminum alloy bars |
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| CN105458981A (en) * | 2015-10-10 | 2016-04-06 | 湖北江山液压科技有限公司 | Self-centering clamping device for oil cylinder assembly |
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| CN208643902U (en) * | 2018-08-08 | 2019-03-26 | 河南维俏精密塑胶科技有限公司 | Limiting device based on processing of robots |
| CN208697238U (en) * | 2018-08-16 | 2019-04-05 | 苏州瑞美科材料科技有限公司 | A kind of clamp system |
| CN109848889A (en) * | 2018-12-23 | 2019-06-07 | 李兆林 | A kind of workpiece pressuring clamping device based on damping shock absorption |
| CN110228032A (en) * | 2019-06-27 | 2019-09-13 | 南京科技职业学院 | A kind of fixture of assembling motor vehicle brake disc assembly |
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2019
- 2019-11-18 CN CN201911130021.4A patent/CN110842830A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1020070A (en) * | 1964-04-04 | 1966-02-16 | Marcus Von Bushe | Means for chucking workpieces, such as rods or tubes, more particularly in the feed carriages of stripping or scraping machines |
| CN104440299A (en) * | 2014-11-21 | 2015-03-25 | 常州市圣奥电器有限公司 | Hinge clamping mechanism |
| CN204843910U (en) * | 2015-06-28 | 2015-12-09 | 芜湖创智机械技术有限公司 | Fine motion power automobile plate holder |
| CN105458981A (en) * | 2015-10-10 | 2016-04-06 | 湖北江山液压科技有限公司 | Self-centering clamping device for oil cylinder assembly |
| CN105215887A (en) * | 2015-10-30 | 2016-01-06 | 重庆市璧山县振昌汽车配件有限公司 | The linkage clamp device of brake rim |
| CN206998363U (en) * | 2017-06-05 | 2018-02-13 | 江苏博安工具有限公司 | Clamping device for machine tooling |
| CN208643902U (en) * | 2018-08-08 | 2019-03-26 | 河南维俏精密塑胶科技有限公司 | Limiting device based on processing of robots |
| CN208697238U (en) * | 2018-08-16 | 2019-04-05 | 苏州瑞美科材料科技有限公司 | A kind of clamp system |
| CN109848889A (en) * | 2018-12-23 | 2019-06-07 | 李兆林 | A kind of workpiece pressuring clamping device based on damping shock absorption |
| CN110228032A (en) * | 2019-06-27 | 2019-09-13 | 南京科技职业学院 | A kind of fixture of assembling motor vehicle brake disc assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283485A (en) * | 2020-03-02 | 2020-06-16 | 张彦辉 | Composition of coaxiality calibration processing equipment for aluminum alloy bars |
| CN111283485B (en) * | 2020-03-02 | 2022-06-07 | 广州协安机电设备有限公司 | Composition of coaxiality calibration processing equipment for aluminum alloy bars |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200228 |
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| RJ01 | Rejection of invention patent application after publication |