CN212071209U - Positioning fixture for machining spring seat of railway passenger car - Google Patents
Positioning fixture for machining spring seat of railway passenger car Download PDFInfo
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- CN212071209U CN212071209U CN202020704229.4U CN202020704229U CN212071209U CN 212071209 U CN212071209 U CN 212071209U CN 202020704229 U CN202020704229 U CN 202020704229U CN 212071209 U CN212071209 U CN 212071209U
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- support columns
- spring seat
- oil cylinder
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Abstract
The rail passenger car spring seat processing and positioning clamp comprises a base, wherein two groups of support columns which are arranged in the front and back are fixedly arranged on the base, each group of support columns is two, the support columns of each group are arranged in the left and right directions, first oil cylinders which are vertically upward are respectively and fixedly arranged on the outer sides of the four support columns on the base, and a first pressure arm is fixedly arranged at the top end of a piston rod of each first oil cylinder; the upright columns are respectively and fixedly installed between the two support columns on the same side on the base, the lower part of the front end face of each upright column is respectively and fixedly provided with a second oil cylinder which faces forwards horizontally, and the front end of a piston rod of each second oil cylinder is respectively and fixedly provided with a second pressure arm which faces upwards vertically; and centering clamps which are respectively and fixedly installed between the two groups of support columns and behind the rear end support columns on the base and move along the left and right directions are fixedly installed on the base. The positioning operation of the spring seat of the rail train is simple, time and labor are saved, and the processing efficiency is improved; and the rail train spring seat can be firmly clamped, the machining precision of the rail train spring seat is improved, and the product percent of pass is improved.
Description
Technical Field
The utility model relates to a spring holder processing equipment on the railway vehicle bogie especially relates to a railway vehicle spring holder processing positioning fixture.
Background
The railway passenger car bogie has the functions of supporting the railway passenger car body, reducing the vibration of the railway train body and improving the running stability of the railway train. The rail train spring seat is used as a main bearing beam of a rail train bogie and is a main component for transmitting vertical force, longitudinal force and transverse force of a rail train body and fixing the position of a rail train wheel pair. The rail train spring seat needs to be positioned on a numerical control machine tool operating platform in the machining process of the rail train spring seat. Traditional rail train spring seat locate mode is: firstly, determining a datum line for a rail train spring seat through manual scribing and correcting, then supporting the rail train spring seat on a numerical control machine tool operating platform by using a plurality of sizing blocks, finally fastening a bolt on the numerical control machine tool operating platform, and clamping and fixing the rail train spring seat by a pressing plate connected with the bolt. The traditional rail train spring seat positioning operation is complex, time and labor are wasted, and the machining efficiency is low; and the clamping structure for clamping the rail train spring seat by the pressing plate is infirm through the fastening bolt, so that the rail train spring seat is not accurately machined, and the product percent of pass is low.
Disclosure of Invention
The utility model provides a positioning fixture for processing a spring seat of a railway passenger car, which can make the positioning operation of the spring seat of the railway passenger car simple, save time and labor and improve the processing efficiency; and the rail train spring seat can be firmly clamped, the machining precision of the rail train spring seat is improved, and the product percent of pass is improved.
The technical solution of the utility model is that:
railway vehicle spring holder processing positioning fixture, including the base, its special character lies in: two groups of support columns which are arranged in front and back are fixedly arranged on the base, each group of support columns is two, each group of support columns is arranged on the left and right, first oil cylinders which are vertically upward are respectively and fixedly arranged on the outer sides of the four support columns on the base, and a first pressure arm is fixedly arranged at the top end of a piston rod of each first oil cylinder; the upright columns are respectively and fixedly installed between the two support columns on the same side on the base, the lower part of the front end face of each upright column is respectively and fixedly provided with a second oil cylinder which faces forwards horizontally, and the front end of a piston rod of each second oil cylinder is respectively and fixedly provided with a second pressure arm which faces upwards vertically; and the base is positioned between the two groups of support columns and behind the rear end support column, and the centering clamps are respectively and fixedly installed, and clamping jaws of the centering clamps move in the left-right direction.
Further preferably, a third oil cylinder which faces vertically upwards is fixedly installed between the front end support column and the front end centering clamp on the base, and is used for assisting in supporting the front end of the bottom surface of the spring seat of the railway passenger car.
Preferably, a fourth oil cylinder which is vertically upward is fixedly arranged between the front end centering clamp and the rear end support column on the base, and is used for assisting in supporting the middle of the bottom surface of the spring seat of the railway passenger car.
Preferably, a fifth oil cylinder pointing to the front upper part is fixedly arranged on the base behind the rear end centering clamp, and is used for assisting in supporting the arc surface at the rear end of the spring seat of the railway passenger car.
The utility model has the advantages that:
the rail train supporting seats are arranged on the four supporting seats, the first oil cylinders are vertically upwards arranged on the outer sides of the four supporting columns, the first pressure arm is fixedly arranged at the top end of a piston rod of each first oil cylinder, the rail train supporting seats are arranged on the four supporting seats, the first oil cylinders are started, and the first pressure arms tightly press and hold the rail train spring seats on the four supporting seats for horizontal positioning; the second oil cylinder is started, and the second pressure arm props the convex parts at the left side and the right side of the spring seat of the railway passenger car against the front end face of the upright column for front and back positioning; the two centering clamps are started because of the centering clamps which are fixedly arranged between the front and rear groups of support columns and behind the support columns at the rear ends, and clamping jaws of the two centering clamps clamp the spring seats of the railway passenger car to be centered left and right for left and right positioning; the positioning operation of the spring seat of the rail train is simple, time and labor are saved, and the machining efficiency is improved; and the rail train spring seat is firmly clamped, so that the machining precision of the rail train spring seat is improved, and the product percent of pass 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: the hydraulic control system comprises a base 1, a support column 2, a first oil cylinder 3, a first pressure arm 4, a vertical column 5, a second oil cylinder 6, a second pressure arm 7, a centering clamp 8, a third oil cylinder 9, a fourth oil cylinder 10 and a fifth oil cylinder 11.
Detailed Description
As shown in fig. 1, the positioning fixture for machining of the spring seats of the railway vehicles comprises a base 1, wherein two groups of support columns 2 which are arranged in the front and back are fixedly installed on the base 1, two support columns 2 are arranged in each group, the support columns 2 in each group are arranged on the left and right, first oil cylinders 3 which are vertically upward are respectively and fixedly installed on the outer sides of the four support columns 2 on the base 1, and first pressure arms 4 are fixedly installed at the top ends of piston rods of the first oil cylinders 3; the upright columns 5 are respectively and fixedly installed between the two support columns 2 on the same side on the base 1, the lower part of the front end face of each upright column 5 is respectively and fixedly provided with a second oil cylinder 6 which faces forwards horizontally, and the front end of a piston rod of each second oil cylinder 6 is respectively and fixedly provided with a second pressure arm 7 which faces upwards vertically; and the base 1 is positioned between the two groups of support columns 2 and behind the rear end support column 2, and is respectively and fixedly provided with a centering clamp 8, and a clamping jaw of the centering clamp 8 moves along the left-right direction.
A third oil cylinder 9 which faces vertically upwards is fixedly arranged on the base 1 between the front end supporting column 2 and the front end centering clamp 8, a fourth oil cylinder 10 which faces vertically upwards is fixedly arranged on the base 1 between the front end centering clamp 8 and the rear end supporting column 2, and a fifth oil cylinder 11 which points to the front upper part is fixedly arranged on the base 1 behind the rear end centering clamp 8.
As shown in fig. 2, during positioning operation, firstly, the spring seats of the railway passenger car are placed on four support columns 2 to perform horizontal positioning; then a second oil cylinder 6 is started, and the second pressure arm 7 props the convex parts at the left side and the right side of the spring seat of the railway passenger car against the front end surface of the upright post 5 to perform front and back positioning; then starting the two centering clamps 8, and clamping the spring seat of the railway passenger car to be centered left and right by the clamping jaws of the two centering clamps 8 for left and right positioning; and then the first oil cylinder 3 is started, the first pressure arm 4 tightly presses the spring seat of the railway passenger car on the four supporting seats, the third oil cylinder 9 and the fourth oil cylinder 10 are started to be supported on the bottom surface of the spring seat of the railway passenger car, the fifth oil cylinder 11 is started to be supported on the arc surface at the rear end of the railway passenger car, and the processing operation 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 (4)
1. Railway vehicle spring holder processing positioning fixture, including the base, its characterized in that: two groups of support columns which are arranged in front and back are fixedly arranged on the base, each group of support columns is two, each group of support columns is arranged on the left and right, first oil cylinders which are vertically upward are respectively and fixedly arranged on the outer sides of the four support columns on the base, and a first pressure arm is fixedly arranged at the top end of a piston rod of each first oil cylinder; the upright columns are respectively and fixedly installed between the two support columns on the same side on the base, the lower part of the front end face of each upright column is respectively and fixedly provided with a second oil cylinder which faces forwards horizontally, and the front end of a piston rod of each second oil cylinder is respectively and fixedly provided with a second pressure arm which faces upwards vertically; and the base is positioned between the two groups of support columns and behind the rear end support column, and the centering clamps are respectively and fixedly installed, and clamping jaws of the centering clamps move in the left-right direction.
2. The railway passenger car spring seat machining positioning fixture as claimed in claim 1, wherein: and a third oil cylinder which is vertically upward is fixedly arranged between the front end support column and the front end centering clamp on the base.
3. The railway passenger car spring seat machining positioning fixture as claimed in claim 1, wherein: and a fourth oil cylinder which is vertically upward is fixedly arranged between the front end centering clamp and the rear end support column on the base.
4. The railway passenger car spring seat machining positioning fixture as claimed in claim 1, wherein: and a fifth oil cylinder pointing to the front upper part is fixedly arranged on the base behind the rear end centering clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704229.4U CN212071209U (en) | 2020-04-30 | 2020-04-30 | Positioning fixture for machining spring seat of railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020704229.4U CN212071209U (en) | 2020-04-30 | 2020-04-30 | Positioning fixture for machining spring seat of railway passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212071209U true CN212071209U (en) | 2020-12-04 |
Family
ID=73588244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020704229.4U Active CN212071209U (en) | 2020-04-30 | 2020-04-30 | Positioning fixture for machining spring seat of railway passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212071209U (en) |
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2020
- 2020-04-30 CN CN202020704229.4U patent/CN212071209U/en active Active
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