CN214519751U - Motor car swivel arm hoop processing positioning fixture - Google Patents
Motor car swivel arm hoop processing positioning fixture Download PDFInfo
- Publication number
- CN214519751U CN214519751U CN202120434978.4U CN202120434978U CN214519751U CN 214519751 U CN214519751 U CN 214519751U CN 202120434978 U CN202120434978 U CN 202120434978U CN 214519751 U CN214519751 U CN 214519751U
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- motor car
- arm hoop
- positioning seat
- horizontal positioning
- rotating arm
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Abstract
A positioning clamp for machining a rotating arm hoop of a motor car comprises a bottom plate, wherein a horizontal positioning seat is installed on the bottom plate, two positioning pins are installed on the top surface of the horizontal positioning seat and located at the diagonal of the horizontal positioning seat, vertical hydraulic cylinders are installed on the front side and the rear side of the horizontal positioning seat on the bottom plate respectively, a compression rod is hinged to a piston rod of each hydraulic cylinder, a connecting rod is connected between the compression rod and a cylinder body of each hydraulic cylinder, the compression rod points to the horizontal positioning seat, a pressing block is installed at the action end of the compression rod, and the bottom of the pressing block is arc-shaped. The motor car rotating arm hoop clamping device can complete all required machining operations by clamping the motor car rotating arm hoop once, can improve the machining efficiency of the motor car rotating arm hoop, increases the positioning surface of the motor car rotating arm hoop, is stable in positioning structure of the motor car rotating arm hoop, reduces machining errors, and improves machining precision.
Description
Technical Field
The utility model relates to a rocking arm hoop on the motor car bogie especially relates to a motor car rocking arm hoop processing positioning fixture.
Background
The motor car swing arm hoop is a component on a motor car bogie, and plays an important role in smooth running of a motor car. In the process of processing the rotating arm hoop of the motor car, positioning equipment is needed to position and fix the rotating arm hoop of the motor car. At present, the processing enterprise generally uses the bench vice as the rocking arm hoop positioning device of motor car, uses the bench vice clamping to have following problem: 1. aiming at different processing parts of the rotating arm hoop of the bullet train, the clamping part needs to be adjusted for multiple times, and the processing efficiency of the rotating arm hoop of the bullet train is low; 2. the bench clamp can only clamp two ends of the rotating arm hoop of the bullet train, the vibration is large in the machining process of the rotating arm hoop of the bullet train, the machining error is large, and the machining precision is low.
Disclosure of Invention
The utility model provides a solve above-mentioned technical problem, provide a motor car rocking arm hoop processing positioning fixture, it once the centre gripping can accomplish whole required processing operations to the motor car rocking arm hoop, can improve motor car rocking arm hoop machining efficiency to increase motor car rocking arm hoop locating surface, motor car rocking arm hoop location stable in structure reduces machining error, improves the machining precision.
The technical solution of the utility model is that:
the utility model provides a motor car rocking arm hoop processing positioning fixture, includes the bottom plate, its special character lies in: the hydraulic cylinder positioning device comprises a base plate, a horizontal positioning seat, two positioning pins, a compression rod, a connecting rod and a pressing block, wherein the base plate is provided with the horizontal positioning seat, the top surface of the horizontal positioning seat is provided with the two positioning pins, the two positioning pins are positioned at the diagonal of the horizontal positioning seat, the base plate is provided with the vertical hydraulic cylinders respectively positioned at the front side and the rear side of the horizontal positioning seat, the piston rod of the hydraulic cylinder is hinged with the compression rod, the connecting rod is connected between the compression rod and the cylinder body of the hydraulic cylinder, the compression rod points to the horizontal positioning seat, the pressing block is arranged at the action end of the compression rod, and the bottom of the pressing block is arc-shaped.
Preferably, vertical auxiliary support rods are respectively installed on the left side and the right side of the horizontal positioning seat on the bottom plate, so that the positioning stability of the rotating arm hoop of the bullet train is improved.
Further preferably, a support pin that moves up and down is screw-mounted on the top end of the auxiliary support rod to adjust the support height.
The utility model has the advantages that:
the motor car rotating arm hoop is horizontally positioned through the horizontal positioning seat, the motor car rotating arm hoop is circumferentially positioned through two positioning pins arranged in the diagonal direction on the horizontal positioning seat, the hydraulic cylinder drives a pressing block at the action end of the pressing rod to press and fix the motor car rotating arm hoop, all required machining operations can be completed by clamping the motor car rotating arm hoop once, the machining efficiency of the motor car rotating arm hoop is improved, the positioning surface of the motor car rotating arm hoop is increased, the positioning structure of the motor car rotating arm hoop is stable, machining errors are reduced, and the machining precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a view showing the usage state of the present invention;
in the figure: 1-bottom plate, 2-horizontal positioning seat, 3-positioning pin, 4-hydraulic cylinder, 5-compression bar, 6-connecting rod, 7-pressing block, 8-auxiliary supporting rod and 9-supporting pin.
Detailed Description
As shown in fig. 1, a positioning fixture for processing a motor train swing arm hoop comprises a base plate 1, a horizontal positioning seat 2 is installed on the base plate 1, two positioning lines are installed on the top surface of the horizontal positioning seat 2, two positioning pins 3 are located at the diagonal of the horizontal positioning seat 2, vertical hydraulic cylinders 4 are respectively installed on the base plate 1 and located on the front side and the rear side of the horizontal positioning seat 2, a compression rod 5 is hinged to a piston rod of each hydraulic cylinder 4, a connecting rod 6 is connected between the compression rod 5 and a cylinder body of each hydraulic cylinder 4, the compression rod 5 points to the horizontal positioning seat 2, a pressing block 7 is installed at the action end of the compression rod 5, the bottom surface of the pressing block 7 is arc-shaped, vertical auxiliary support rods 8 are respectively installed on the base plate 1 and located on the left side and the right side of the horizontal positioning seat 2, and support pins 9 which move up and down are installed at the top ends of the auxiliary support rods 8 through threads.
As shown in fig. 2, during the positioning operation, firstly, the bottom surface of the rotating arm hoop of the motor car is seated on the top surface of the horizontal positioning seat 2, the left side and the right side of the rotating arm hoop of the motor car are supported on the top ends of the supporting pins 9, the rotating arm hoop of the motor car is horizontally positioned, meanwhile, the positioning pin 3 on the top surface of the horizontal positioning seat 2 is inserted into the positioning hole on the bottom of the rotating arm hoop of the motor car, the rotating arm hoop of the motor car is circumferentially positioned, finally, the hydraulic cylinder 4 is started to drive the action end of the pressure rod 5 to move downwards, the pressure block 7 on the action end of the pressure rod 5 is pressed on the arc-shaped surface on the top of the rotating arm hoop of the motor car, the rotating arm hoop of the motor car is fixed, and the machining operation of the rotating arm hoop of the motor car is started.
The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (3)
1. The utility model provides a bullet train rocking arm hoop processing positioning fixture, includes the bottom plate, its characterized in that: the hydraulic cylinder positioning device comprises a base plate, a horizontal positioning seat, two positioning pins, a compression rod, a connecting rod and a pressing block, wherein the base plate is provided with the horizontal positioning seat, the top surface of the horizontal positioning seat is provided with the two positioning pins, the two positioning pins are positioned at the diagonal of the horizontal positioning seat, the base plate is provided with the vertical hydraulic cylinders respectively positioned at the front side and the rear side of the horizontal positioning seat, the piston rod of the hydraulic cylinder is hinged with the compression rod, the connecting rod is connected between the compression rod and the cylinder body of the hydraulic cylinder, the compression rod points to the horizontal positioning seat, the pressing block is arranged at the action end of the compression rod, and the bottom of the pressing block is arc-shaped.
2. The motor car swivel arm hoop processing positioning fixture of claim 1, characterized in that: vertical auxiliary supporting rods are respectively arranged on the left side and the right side of the horizontal positioning seat on the bottom plate.
3. The motor car swivel arm hoop processing positioning fixture of claim 2, characterized in that: the top end of the auxiliary support rod is provided with a support pin which can move up and down through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120434978.4U CN214519751U (en) | 2021-03-01 | 2021-03-01 | Motor car swivel arm hoop processing positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120434978.4U CN214519751U (en) | 2021-03-01 | 2021-03-01 | Motor car swivel arm hoop processing positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214519751U true CN214519751U (en) | 2021-10-29 |
Family
ID=78259164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120434978.4U Active CN214519751U (en) | 2021-03-01 | 2021-03-01 | Motor car swivel arm hoop processing positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214519751U (en) |
-
2021
- 2021-03-01 CN CN202120434978.4U patent/CN214519751U/en active Active
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