CN219521989U - Special type vehicle slide bearing extracting tool - Google Patents
Special type vehicle slide bearing extracting tool Download PDFInfo
- Publication number
- CN219521989U CN219521989U CN202320390904.4U CN202320390904U CN219521989U CN 219521989 U CN219521989 U CN 219521989U CN 202320390904 U CN202320390904 U CN 202320390904U CN 219521989 U CN219521989 U CN 219521989U
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- Prior art keywords
- pull arm
- special
- shaped
- seat
- screw rod
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- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model provides a special vehicle sliding bearing dismounting tool which comprises a nut, a screw, a pull arm seat, a supporting sleeve, a pull arm and a pin shaft, wherein the screw is arranged on the pull arm seat; the rear end rod part of the screw is provided with threads, and the cylindrical surface of the front end is provided with a plurality of special-shaped sliding grooves; the pull arm seat comprises a central body and a plurality of U-shaped grooves at the periphery of the central body, and the pull arm is connected with the pull arm seat through a pin shaft; the front end of the pull arm is provided with a step part for hooking the sliding bearing; the rear end rod part of the screw rod sequentially penetrates through the pull arm seat and the support sleeve and is connected with the nut; the pull arm seat can rotate relative to the screw rod and drive each pull arm to slide in the special-shaped sliding groove of the screw rod, and the pull arm seat can be rotated to drive the pull arm to slide to the pull arm limiting surface and hook the sliding bearing. The dismounting tool has the advantages of simple structure, light weight, small volume, convenient carrying, limit and stability, convenient use, shortened sliding bearing replacement time during maintenance, effective reduction of the working difficulty during maintenance of the action system of the special vehicle, improvement of the working efficiency and improvement of the vehicle maintainability.
Description
Technical Field
The utility model belongs to the technical field of special vehicle action systems, and particularly relates to a sliding bearing dismounting tool for a light special vehicle action system.
Background
The sliding bearing is applied to a light special vehicle action system, and because the special vehicle has a bad working environment, the service life of the sliding bearing is limited, and the sliding bearing at the torsion bar bracket needs to be replaced in middle repair under the general condition. The sliding bearing is assembled in an interference mode, and the sliding bearing is damaged by a milling machine and then detached during maintenance, so that time and labor are wasted. Therefore, it is necessary to design a sliding bearing dismounting tool, which can directly pull out the sliding bearing, and can additionally install an electric wrench, a manual wrench or a stress application rod according to practical situations, so that the dismounting time is greatly shortened, the working efficiency of the sliding bearing dismounting is improved, and the maintainability of a vehicle is improved.
Disclosure of Invention
First, the technical problem to be solved
The utility model provides a special vehicle sliding bearing dismounting tool, which aims to solve the technical problems that a sliding bearing in a torsion bar bracket of a special vehicle action system is free of special tools, the dismounting difficulty of the sliding bearing is reduced, the dismounting time is shortened and the working efficiency is improved.
(II) technical scheme
In order to solve the technical problems, the utility model provides a special vehicle sliding bearing dismounting tool which comprises a nut, a screw, a pull arm seat, a support sleeve, a pull arm and a pin shaft; wherein,,
a threaded hole is formed in the center of the nut;
the rear end rod part of the screw rod is provided with threads, the front end cylindrical surface is provided with a plurality of special-shaped sliding grooves with uniformly distributed circumferences, and the section of each special-shaped sliding groove comprises a pull arm sliding surface connected with the bottom surface of the sliding groove and a pull arm limiting surface positioned at the top of the pull arm sliding surface;
the pull arm seat comprises a central body and a plurality of U-shaped grooves uniformly distributed on the periphery of the central body, a screw mounting through hole is formed in the central position of the pull arm seat, and a pin shaft mounting hole is formed in the groove wall of each U-shaped groove; the rear end of each pull arm is provided with a circular opening, and a pin shaft penetrates through the circular opening of the pull arm and a pin shaft mounting hole of a corresponding U-shaped groove on the pull arm seat to connect the pull arm with the pull arm seat; the front end of each pull arm is provided with a step part for hooking the sliding bearing;
the whole supporting sleeve is of a barrel-shaped structure, and a round hole for penetrating a screw rod is formed in the center of the rear end face; a rotary operation hole of the pull arm seat is processed on the barrel wall of the supporting sleeve;
the rear end rod part of the screw rod sequentially penetrates through the screw rod installation through hole of the pull arm seat and the top end surface round hole of the supporting sleeve and is connected with the central threaded hole of the nut; the pull arm seat can rotate relative to the screw rod and drive each pull arm to slide in the special-shaped chute of the screw rod; when the pull arm is positioned at the bottom of the special-shaped chute, the front end of the pull arm is retracted to the cylindrical surface of the screw rod; when the pull arm seat is rotated to drive the pull arm to slide to the pull arm limiting surface along the pull arm sliding surface of the special-shaped sliding groove, the step part at the front end of the pull arm hooks the sliding bearing, and when the nut is screwed and the sliding bearing is pulled out by the pull arm, the pull arm limiting surface of the special-shaped sliding groove plays a limiting role to the pull arm to prevent the pull arm from falling off.
Further, the rear part of the nut is of a hexagonal cylinder structure, and the front part of the nut is provided with a cylindrical protruding structure.
Further, the rear end rod portion of the screw is provided with a left-handed thread.
Further, three special-shaped sliding grooves with evenly distributed circumferences are processed on the cylindrical surface at the front end of the screw; three U-shaped grooves are uniformly distributed on the outer periphery of the central body of the pull arm seat.
Further, an annular boss for supporting the torsion bar bracket is arranged in the front end face of the supporting sleeve.
Further, three rectangular openings are formed in the barrel wall of the supporting sleeve.
(III) beneficial effects
The utility model provides a special vehicle sliding bearing dismounting tool which comprises a nut, a screw, a pull arm seat, a supporting sleeve, a pull arm and a pin shaft, wherein the screw is arranged on the pull arm seat; the rear end rod part of the screw is provided with threads, and the cylindrical surface of the front end is provided with a plurality of special-shaped sliding grooves; the pull arm seat comprises a central body and a plurality of U-shaped grooves at the periphery of the central body, and the pull arm is connected with the pull arm seat through a pin shaft; the front end of the pull arm is provided with a step part for hooking the sliding bearing; the rear end rod part of the screw rod sequentially penetrates through the pull arm seat and the support sleeve and is connected with the nut; the pull arm seat can rotate relative to the screw rod and drive each pull arm to slide in the special-shaped sliding groove of the screw rod, and the pull arm seat can be rotated to drive the pull arm to slide to the pull arm limiting surface and hook the sliding bearing. The dismounting tool has the advantages of simple structure, light weight, small volume, convenient carrying, limit and stability, convenient use, shortened sliding bearing replacement time during maintenance, effective reduction of the working difficulty during maintenance of the action system of the special vehicle, improvement of the working efficiency and improvement of the vehicle maintainability.
Drawings
FIG. 1 is a schematic view of a slide bearing removal tool according to the present utility model;
fig. 2 is an exploded view of the slide bearing removal tool of the present utility model.
FIG. 3 is a perspective view of the structure of the screw in the present utility model;
FIG. 4 is a side view of a profiled run of the screw of the present utility model;
fig. 5a is a schematic structural view of the pull arm seat mounted on the screw rod, fig. 5b is a sectional view of the pull arm at the bottom surface of the special-shaped chute, and fig. 5c is a sectional view of the pull arm at the pull arm limiting surface of the special-shaped chute;
FIG. 6 is a cross-sectional view of the working principle of the slide bearing removal tool of the present utility model;
fig. 7 is an external view showing the working principle of the sliding bearing dismounting tool of the present utility model.
Detailed Description
To make the objects, contents and advantages of the present utility model more apparent, the following detailed description of the present utility model will be given with reference to the accompanying drawings and examples.
The embodiment provides a special vehicle sliding bearing dismounting tool, the structure of which is shown in figures 1 and 2, and the special vehicle sliding bearing dismounting tool comprises a nut 1, a screw rod 2, a pull arm seat 3, a support sleeve 4, a pull arm 5 and a pin shaft 6.
The rear part of the nut 1 is of a hexagonal cylinder structure, the front part of the nut is provided with a cylindrical protruding structure, and a threaded hole is machined in the center of the nut 1. As shown in fig. 3, the rear end rod portion of the screw 2 is provided with left-handed threads, and three special-shaped sliding grooves with evenly distributed circumferences are machined on the cylindrical surface of the front end. As shown in fig. 4, the cross section of each special-shaped chute comprises a pull arm sliding surface connected with the bottom surface of the chute and a pull arm limiting surface positioned at the top of the pull arm sliding surface.
The pull arm seat 3 comprises a central body and three U-shaped grooves uniformly distributed on the periphery of the central body, a screw mounting through hole is formed in the central position of the pull arm seat 3, and pin shaft mounting holes are formed in the groove wall of each U-shaped groove. The number of the pull arms 5 is three, the rear end of each pull arm 5 is provided with a circular opening, and a pin shaft 6 penetrates through the circular opening of the pull arm 5 and a pin shaft mounting hole of a corresponding U-shaped groove on the pull arm seat 3 to connect the pull arm 5 with the pull arm seat 3. The front end of each of the pull arms 5 is machined with a stepped portion for hooking the slide bearing.
The supporting sleeve 4 is integrally in a barrel-shaped structure, a round hole for penetrating the screw rod 2 is processed in the center of the rear end face, and an annular boss for supporting the torsion bar bracket is arranged in the front end face. Three rectangular openings are processed on the barrel wall of the supporting sleeve 4 and are used for carrying out rotation operation on the pull arm seat 3.
The rear end rod part of the screw rod 2 sequentially penetrates through the screw rod installation through hole of the pull arm seat 3 and the top end surface round hole of the supporting sleeve 4 and is connected with the central threaded hole of the nut 1. The arm-pulling seat 3 can rotate relative to the screw rod 2 and drive each arm-pulling 5 to slide in the special-shaped chute of the screw rod 2. When the pull arm 5 rotates to different positions in the special-shaped sliding groove, the pull arm 5 can be made to protrude or retract into the cylindrical surface of the screw rod 2 so as to extend into the sliding bearing.
As shown in fig. 5a-5c, when the pull arm 5 is positioned at the bottom of the special-shaped chute, the front end of the pull arm 5 is retracted to the cylindrical surface of the screw rod 2, so that the pull arm 5 can be conveniently extended into the sliding bearing; when the pull arm seat 3 is rotated to drive the pull arm 5 to slide to the pull arm limiting surface along the pull arm sliding surface of the special-shaped sliding groove, the step part at the front end of the pull arm 5 can hook the sliding bearing, and when the nut 1 is screwed and the sliding bearing is pulled out by the pull arm 5, the pull arm limiting surface of the special-shaped sliding groove plays a limiting role on the pull arm 5 to prevent the pull arm 5 from falling off.
When the dismounting tool is used, as shown in fig. 6 and 7, the dismounting tool is firstly placed at the torsion bar bracket, the front end face of the supporting sleeve 4 is propped against the torsion bar bracket, the pull arm 5 slides in the special-shaped sliding groove of the screw rod 2 by rotating the pull arm seat 3, when the pull arm 5 slides to the bottom of the special-shaped sliding groove, the dismounting tool is stretched into the sliding bearing, then the pull arm 5 slides reversely to the top of the special-shaped sliding groove and is stuck to the pull arm limiting surface at the top end of the special-shaped sliding groove, and at the moment, the front end step part of the pull arm 5 hooks the end face of the sliding bearing. The nut 1 is screwed, the screw rod 2 is pulled up, and finally the sliding bearing in the torsion bar bracket is detached.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. The special vehicle sliding bearing dismounting tool is characterized by comprising a nut, a screw, a pull arm seat, a supporting sleeve, a pull arm and a pin shaft; wherein,,
a threaded hole is formed in the center of the nut;
the rear end rod part of the screw rod is provided with threads, the front end cylindrical surface is provided with a plurality of special-shaped sliding grooves with uniformly distributed circumferences, and the section of each special-shaped sliding groove comprises a pull arm sliding surface connected with the bottom surface of the sliding groove and a pull arm limiting surface positioned at the top of the pull arm sliding surface;
the pull arm seat comprises a central body and a plurality of U-shaped grooves uniformly distributed on the periphery of the central body, a screw mounting through hole is formed in the central position of the pull arm seat, and a pin shaft mounting hole is formed in the groove wall of each U-shaped groove; the rear end of each pull arm is provided with a circular opening, and a pin shaft penetrates through the circular opening of the pull arm and a pin shaft mounting hole of a corresponding U-shaped groove on the pull arm seat to connect the pull arm with the pull arm seat; the front end of each pull arm is provided with a step part for hooking the sliding bearing;
the whole supporting sleeve is of a barrel-shaped structure, and a round hole for penetrating a screw rod is formed in the center of the rear end face; a rotary operation hole of the pull arm seat is processed on the barrel wall of the supporting sleeve;
the rear end rod part of the screw rod sequentially penetrates through the screw rod installation through hole of the pull arm seat and the top end surface round hole of the supporting sleeve and is connected with the central threaded hole of the nut; the pull arm seat can rotate relative to the screw rod and drive each pull arm to slide in the special-shaped chute of the screw rod; when the pull arm is positioned at the bottom of the special-shaped chute, the front end of the pull arm is retracted to the cylindrical surface of the screw rod; when the pull arm seat is rotated to drive the pull arm to slide to the pull arm limiting surface along the pull arm sliding surface of the special-shaped sliding groove, the step part at the front end of the pull arm hooks the sliding bearing, and when the nut is screwed and the sliding bearing is pulled out by the pull arm, the pull arm limiting surface of the special-shaped sliding groove plays a limiting role to the pull arm to prevent the pull arm from falling off.
2. The removal tool of claim 1, wherein the nut has a hexagonal cylindrical structure at a rear portion thereof and a cylindrical protrusion structure at a front portion thereof.
3. The removal tool of claim 1, wherein a rear end stem portion of the screw is provided with left-hand threads.
4. The disassembling tool according to claim 1, wherein three irregularly-shaped sliding grooves with evenly distributed circumferences are machined on the cylindrical surface at the front end of the screw; the outer equipartition of center body of arm-tie seat has three U-shaped groove.
5. The removal tool of claim 1, wherein an annular boss for abutting against the torsion bar bracket is provided inside the front end face of the support sleeve.
6. The removal tool of claim 1, wherein three rectangular openings are machined into the barrel wall of the support sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390904.4U CN219521989U (en) | 2023-03-06 | 2023-03-06 | Special type vehicle slide bearing extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320390904.4U CN219521989U (en) | 2023-03-06 | 2023-03-06 | Special type vehicle slide bearing extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219521989U true CN219521989U (en) | 2023-08-15 |
Family
ID=87587151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320390904.4U Active CN219521989U (en) | 2023-03-06 | 2023-03-06 | Special type vehicle slide bearing extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219521989U (en) |
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2023
- 2023-03-06 CN CN202320390904.4U patent/CN219521989U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |