CN217095871U - Pin shaft milling positioning fixture for railway passenger car bogie - Google Patents
Pin shaft milling positioning fixture for railway passenger car bogie Download PDFInfo
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- CN217095871U CN217095871U CN202122034508.1U CN202122034508U CN217095871U CN 217095871 U CN217095871 U CN 217095871U CN 202122034508 U CN202122034508 U CN 202122034508U CN 217095871 U CN217095871 U CN 217095871U
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Abstract
The utility model provides a railway vehicle is round pin axle side of milling processing positioning fixture for bogie, includes the support, installs the positioning seat on the support, at the articulated positioning frame who stridees across the positioning seat in positioning seat outer wall top, communicates with each other and coaxial taper hole and post hole about being equipped with on the positioning seat, lie in the vertical and coaxial axle sleeve with the post hole of positioning seat below installation on the support, through the gland of screw thread installation up-and-down motion outside the axle sleeve. The four sides of the end cover in the pin shaft direction for the railway passenger car bogie can be completely processed through one-time positioning, the operation time is short, the processing efficiency is high, the positioning structure is stable, the processing error is small, and the product percent of pass is high.
Description
Technical Field
The utility model relates to a passenger train is round pin axle processing equipment for bogie especially relates to a passenger train is round pin axle for bogie mills side processing positioning fixture.
Background
The pin shaft for the railway passenger car bogie is a connecting piece arranged at a pivot arm node of an axle box of the railway passenger car, and comprises a square end cover, a conical end cover, a threaded rod and a nut from top to bottom in sequence. The traditional method for machining the pin shaft for the railway passenger car bogie adopts the bench clamp to clamp and position, is limited by a bench clamp clamping structure, can only transversely clamp the pin shaft for the railway passenger car bogie (the directional end cover is in a vertical state), and needs to machine four sides of the square end cover one by one upwards by the pin shaft for the railway passenger car bogie, so that the clamping times are multiple, the operation time is long, and the machining efficiency is low; and the vise positioning structure is unstable, so that the square end cover of the pin shaft for the railway passenger car bogie has large machining error and low product percent of pass.
Disclosure of Invention
The utility model provides a solve above-mentioned technical problem, provide a railway carriage is round pin axle side of milling processing positioning fixture for bogie, it can be to the whole processing of four sides of round pin axle direction end cover for the railway carriage bogie through once fixing a position, and the activity duration is short, and machining efficiency is high, and location structure is firm, and machining error is little, and the product percent of pass is high.
The technical solution of the utility model is that:
the utility model provides a railway vehicle is round pin axle side milling processing positioning fixture for bogie, includes the support, its special character lies in: the positioning seat is arranged on the support, the top of the outer wall of the positioning seat is hinged with the positioning frame spanning the positioning seat, the positioning seat is provided with a taper hole and a column hole which are communicated up and down and coaxial, the support is provided with a vertical shaft sleeve which is arranged below the positioning seat and is coaxial with the column hole, and a gland bush which moves up and down is arranged outside the shaft sleeve through threads.
Furthermore, an upper fixing seat is arranged at the lower part of the positioning seat, and the positioning seat is installed on the support through the upper fixing seat.
Furthermore, a lower fixing seat is arranged at the upper part of the sleeve, and the sleeve is fixed on the bracket through the lower fixing seat.
Furthermore, a pull rod is arranged on the gland and is pulled to drive the gland to rotate.
The utility model has the advantages that:
when in positioning operation, the pin shaft firstly passes through the taper hole and the column hole of the positioning seat from top to bottom in sequence, so that the conical end cover at the upper part of the pin shaft is supported on the conical surface of the taper hole, then horizontally rotating the pin shaft and upwards rotating the positioning frame, positioning a pair of opposite edges of the square end covers at the top of the pin shaft through the inner walls at the two sides of the positioning frame for circumferential positioning, then installing a nut at the lower end of the pin shaft, and the gland is rotated to move downwards, the upper end and the lower end of a pin shaft for a bogie of the railway passenger car are fastened and supported through the positioning seat and the gland, the pin shaft for the bogie of the railway passenger car is prevented from rotating, and finally the positioning frame is rotated downwards to start the processing of the four sides of the square end cover at the top of the pin shaft, the four sides of the pin shaft direction end cover for the railway passenger car bogie can be completely processed through one-time positioning, the operation time is short, the processing efficiency is high, the positioning structure is stable, the processing error is small, and the product percent of pass is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of the positioning socket in FIG. 1;
FIG. 3 is a diagram illustrating the usage status of the present invention;
in the figure: 1-bracket, 2-upper fixed seat, 3-positioning seat, 4-positioning frame, 5-taper hole, 6-column hole, 7-lower fixed seat, 8-shaft sleeve, 9-gland and 10-pull rod.
Detailed Description
As shown in fig. 1 and fig. 2, a milling positioning fixture for pin roll of railway passenger car bogie, including support 1, install fixing base 2 on support 1, be equipped with positioning seat 3 on last fixing base 2, the articulated positioning frame 4 who stridees across positioning seat 3 in 3 outer wall tops of positioning seat, communicating and coaxial taper hole 5 and post hole 6 about being equipped with on positioning seat 3, lie in fixing base 7 under 3 below installation of positioning seat on support 1, be equipped with vertical and with the coaxial axle sleeve 8 of post hole 6 on fixing base 7 down, through the gland 9 of screw thread installation up-and-down motion outside axle sleeve 8, install lever 10 on gland 9.
As shown in fig. 3, during positioning operation, a pin shaft sequentially penetrates through a taper hole 5 and a column hole 6 from top to bottom, so that a tapered end cover on the upper portion of the pin shaft is supported on a conical surface of the taper hole 5, then the pin shaft is horizontally rotated and a positioning frame 4 is upwardly rotated, a pair of opposite sides of a square end cover on the top of the pin shaft are positioned through inner walls on two sides of the positioning frame 4, the rail passenger car bogie is circumferentially positioned by the pin shaft milling, a nut is mounted at the lower end of the pin shaft, a pull rod 10 is pulled to rotate a gland 9 to move downwards, two ends of the supporting pin shaft are fastened through a positioning seat 3 and the gland 9, the rail passenger car bogie is fixed by the pin shaft milling, the pin shaft is prevented from rotating, and finally the positioning frame 4 is downwardly rotated to start four sides processing of the square end cover on the top of the pin shaft.
The above description is only for the purpose of illustrating particular embodiments of the present invention and is not intended to limit the present invention, which may be modified and varied 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. The utility model provides a railway vehicle is round pin axle side milling processing positioning fixture for bogie, includes the support, its characterized in that: the positioning seat is arranged on the support, the top of the outer wall of the positioning seat is hinged with the positioning frame spanning the positioning seat, the positioning seat is provided with a taper hole and a column hole which are communicated up and down and coaxial, the support is provided with a vertical shaft sleeve which is arranged below the positioning seat and is coaxial with the column hole, and a gland bush which moves up and down is arranged outside the shaft sleeve through threads.
2. The railway passenger car is round pin axle side milling processing positioning fixture for bogie of claim 1, characterized in that: an upper fixing seat is arranged at the lower part of the positioning seat, and the positioning seat is installed on the bracket through the upper fixing seat.
3. The milling and positioning fixture for the pin shaft of the railway passenger car bogie according to claim 1, characterized in that: the upper part of the sleeve is provided with a lower fixed seat, and the sleeve is fixed on the bracket through the lower fixed seat.
4. The milling and positioning fixture for the pin shaft of the railway passenger car bogie according to claim 1, characterized in that: the press cover is provided with a pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122034508.1U CN217095871U (en) | 2021-08-27 | 2021-08-27 | Pin shaft milling positioning fixture for railway passenger car bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122034508.1U CN217095871U (en) | 2021-08-27 | 2021-08-27 | Pin shaft milling positioning fixture for railway passenger car bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217095871U true CN217095871U (en) | 2022-08-02 |
Family
ID=82576289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122034508.1U Active CN217095871U (en) | 2021-08-27 | 2021-08-27 | Pin shaft milling positioning fixture for railway passenger car bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217095871U (en) |
-
2021
- 2021-08-27 CN CN202122034508.1U patent/CN217095871U/en active Active
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