CN219234648U - Horizontal processing positioning fixture of railway passenger train axle box - Google Patents
Horizontal processing positioning fixture of railway passenger train axle box Download PDFInfo
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- CN219234648U CN219234648U CN202320244526.9U CN202320244526U CN219234648U CN 219234648 U CN219234648 U CN 219234648U CN 202320244526 U CN202320244526 U CN 202320244526U CN 219234648 U CN219234648 U CN 219234648U
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- axle box
- cushion block
- positioning fixture
- hydraulic pressing
- horizontal processing
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses a horizontal processing positioning fixture for an axle box of a railway carriage, which comprises the following components: the bottom plate is fixed on the top of the bottom plate by the positioning block; the positioning block is in a V shape, and the lugs on the bottom surface of the axle box body are clamped in the V-shaped grooves of the positioning block; the hydraulic compression cylinder is fixed at the top of the bottom plate; the hydraulic pressing cylinder is pressed on the tops of the extension blocks at two sides of the spring seat; the side top compression plates are arranged on the same side of the two spring seats respectively and are abutted against the side surfaces of the extension blocks of the spring seats; the side-ejection hydraulic pressing cylinders are arranged on the same side of the two spring seats respectively and are abutted against the side surfaces of the extension blocks of the spring seats; the side top hydraulic pressing cylinder and the side top pressing plate are oppositely arranged on two sides of the spring seat. The positioning fixture has the advantages of simple structure, convenient operation and good positioning accuracy.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a horizontal machining positioning clamp for an axle box of a railway passenger car.
Background
The axle box is an important component of a bogie of a light rail train, and is arranged on the axle journal of an axle and used for installing a bearing to link a wheel set with a side frame or a framework together so as to convert the rolling of the wheel set along a steel rail into the translation of a train body along a line. The axle box body needs to be positioned in the processing process, and then the axle box body is processed.
However, the existing clamping and positioning of the axle box body has the problems of complex operation, inaccurate positioning and inaccurate processing precision of the axle box body.
Therefore, the horizontal processing and positioning clamp for the axle box body of the railway passenger car, which is convenient to operate and good in positioning accuracy, is researched and is a problem which needs to be solved by a person skilled in the art.
Disclosure of Invention
In view of the above, the utility model provides the horizontal processing positioning fixture for the axle box of the railway passenger car, which is convenient to operate and has good positioning accuracy.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a horizontal processing positioning fixture of railway passenger train axle box includes:
the bottom plate is provided with a bottom plate,
the positioning block is fixed at the top of the bottom plate; the positioning block is in a V shape, and the lugs on the bottom surface of the axle box body are clamped in the V-shaped grooves of the positioning block;
the hydraulic pressing cylinder is fixed at the top of the bottom plate; the hydraulic pressing cylinder is pressed on the tops of the extension blocks at two sides of the spring seat;
the side top pressing plates are arranged on the same sides of the two spring seats respectively and are abutted against the side surfaces of the extension blocks of the spring seats;
the side-propping hydraulic pressing cylinders are arranged on the same sides of the two spring seats respectively and are abutted against the side surfaces of the extension blocks of the spring seats; the side-roof hydraulic pressing cylinder and the side-roof pressing plate are oppositely arranged on two sides of the spring seat.
The technical scheme has the beneficial effects that the positioning block, the hydraulic pressing cylinder, the side-top pressing plate and the side-top hydraulic pressing cylinder can clamp and position the axle box in the X, Y, Z axial direction, the positioning fixture is simple in structure, the axle box can be rapidly and accurately clamped, and the machining accuracy of the axle box is higher.
Preferably, the hydraulic pressing cylinders are four, and are respectively arranged at the tops of the extending blocks of the two spring seats.
Preferably, two auxiliary support columns are arranged at the top of the bottom plate, and the two auxiliary support columns are respectively abutted to the bottoms of the two spring seats. The auxiliary support column can play a supporting role on the bottom of the shaft box body.
Preferably, two first limit posts are arranged at the top of the bottom plate, the two first limit posts are arranged below the spring seat and are positioned at two sides of the main box body. The first limit column limits the installation position of the axle box body, so that the axle box body can be more accurately and rapidly installed in the positioning clamp, and the working efficiency can be improved.
Preferably, the bottoms of the hydraulic pressing cylinder, the side-top hydraulic pressing cylinder and the auxiliary supporting column are fixed with a first cushion block; the bottom of the side top compacting plate is provided with a second cushion block, and the first cushion block and the second cushion block are fixedly connected with the bottom plate. The first cushion block and the second cushion block can improve the heights of the hydraulic pressing cylinder, the side-top hydraulic pressing cylinder and the auxiliary supporting column, so that the shaft box body can be positioned and clamped more accurately.
Preferably, a step is arranged on one side, close to the axle box body, of the second cushion block, and the side top pressing plate is vertically arranged above the step and fixedly connected with the side wall of the top end of the second cushion block. The step sets up the offside top pressure strip that can be more convenient and fixes, and the top of step is arranged in to the extension piece of spring holder simultaneously, can more accurate fix a position the shaft box.
Preferably, a pressing plate is arranged on one side, contacted with the axle box body, of the side-top hydraulic pressing cylinder, and the pressing plate is vertically arranged at the top of the first cushion block. The arrangement of the pressing plate can enable the side-top hydraulic pressing cylinder to clamp the axle box better.
Preferably, the positioning fixture further comprises three horizontal positioning columns, wherein the three horizontal positioning columns are respectively arranged at the tops of the two first cushion blocks and the step top of one second cushion block, and the auxiliary supporting columns are fixed at the step top of the other second cushion block. The horizontal positioning column can horizontally position the bottom of the axle box body, and the auxiliary support column supports the bottom of the axle box body, so that the processing accuracy of the axle box body is guaranteed to be higher.
Preferably, the top of the first cushion block provided with the side-top hydraulic pressing cylinder is fixedly connected with a second limit column. The second limit post can limit the mounting position of the spring seat, so that the second limit post can be more accurately mounted on the tops of the first cushion block and the second cushion block.
Compared with the prior art, the horizontal processing and positioning clamp for the axle box of the railway carriage has the beneficial effects that:
(1) According to the utility model, the positioning block, the hydraulic pressing cylinder, the side top pressing plate and the side top hydraulic pressing cylinder can clamp and position the axle box in the X, Y, Z axial direction, and the horizontal positioning column is used for horizontally positioning the axle box, so that the axle box is more accurately installed;
(2) The positioning fixture has the advantages that the structure is simple, the accurate clamping of the axle box body can be realized quickly, the machining efficiency is improved, the structure of the positioning fixture is firm, the machining precision is high, and the qualification rate of products can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an assembly structure of a positioning fixture and an axle box body provided by the utility model;
FIG. 2 is a front view of the positioning fixture and axle box assembly provided by the utility model;
fig. 3 is a schematic structural diagram of a positioning fixture provided by the utility model.
Wherein, in the drawing,
1-a bottom plate; 2-positioning blocks; 3-a hydraulic compacting cylinder; 4-side top compacting plates; 5-side-top hydraulic pressure compressing cylinder; 6-auxiliary support columns; 7-a first limit column; 8-a first cushion block;
9-a second cushion block;
91-steps;
10-pressing plates; 11-horizontal positioning columns; 12-a second limit column;
13-axle box;
131-spring seats; 132-main box; 133-extension block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a horizontal processing positioning fixture for an axle box body of a railway carriage, which comprises the following components:
the base plate 1 is provided with a plurality of grooves,
the positioning block 2 is fixed on the top of the bottom plate 1; the positioning block 2 is in a V shape, and the support lugs on the bottom surface of the axle box 13 are clamped in the V-shaped grooves of the positioning block 2;
the hydraulic pressing cylinder 3 is fixed on the top of the bottom plate 1; the hydraulic pressing cylinder 3 presses the tops of the extension blocks 133 on both sides of the spring seat 131;
the side top pressing plates 4 are arranged on the same side of the two spring seats 131, and the side top pressing plates 4 are abutted against the side surfaces of the extension blocks 133 of the spring seats 131;
the side top hydraulic pressing cylinders 5 are arranged on the same sides of the two spring seats 131, and the side top hydraulic pressing cylinders 5 are abutted against the side surfaces of the extension blocks 133 of the spring seats 131; the side-top hydraulic pressure cylinder 5 and the side-top pressure plate 4 are arranged on two sides of the spring seat 131.
In order to further optimize the above technical solution, the hydraulic pressure cylinder 3 is provided with four extension blocks 133 respectively arranged on top of the two spring seats 131. Four hydraulic pressure hold-down cylinders 3 can compress tightly two spring holder 131 both sides extension piece 133, and then to the location of axle box more accurate.
In order to further optimize the above technical solution, two auxiliary support columns 6 are provided on the top of the bottom plate 1, and the two auxiliary support columns 6 are respectively abutted to the bottoms of the two spring seats 131. The auxiliary support column 6 is tightly propped against the bottom of the spring seat 131 in a hydraulic driving mode.
In order to further optimize the above technical solution, two first limiting posts 7 are disposed at the top of the bottom plate 1, and the two first limiting posts 7 are disposed below the spring seat 131 and on two sides of the main case 132.
In order to further optimize the technical scheme, the bottoms of the hydraulic pressing cylinder 3, the side-top hydraulic pressing cylinder 5 and the auxiliary supporting column 6 are fixed with a first cushion block 8; the bottom of the side top compacting plate 4 is provided with a second cushion block 9, and the first cushion block 8 and the second cushion block 9 are fixedly connected with the bottom plate 1.
In order to further optimize the technical scheme, a step 91 is arranged on one side, close to the axle box body 13, of the second cushion block 9, and the side top pressing plate 4 is vertically arranged above the step 91 and fixedly connected with the side wall of the top end of the second cushion block 9. The step 91 not only can support the bottom of the shaft housing 13, but also facilitates the installation of the opposite side top pressing plate 4.
In order to further optimize the technical scheme, a pressing plate 10 is arranged on one side, contacted with the axle box 13, of the side-top hydraulic pressing cylinder 5, and the pressing plate 10 is vertically arranged on the top of the first cushion block 8. The pressing plate 10 abuts against the side face of the extension block 133, so that the shaft box 13 can be positioned more accurately.
In order to further optimize the technical scheme, the positioning fixture further comprises horizontal positioning columns 11, three horizontal positioning columns 11 are arranged, and auxiliary support columns 6 are fixed at the tops of the two first cushion blocks 8 and the top of the step 91 of one second cushion block 9 and the top of the step 91 of the other second cushion block 9 respectively. Three horizontal positioning columns 11 are distributed at the tops of the two first cushion blocks 8 and one step 91, an auxiliary supporting column 6 is arranged at the top of the other step, and the axle box 13 can be horizontally positioned under the combined action of the three horizontal positioning columns 11 and the auxiliary supporting column 6.
In order to further optimize the technical scheme, the top of the first cushion block 8 provided with the side-top hydraulic pressing cylinder 5 is fixedly connected with a second limit column 12.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Horizontal processing positioning fixture of railway passenger train axle box, its characterized in that includes:
a bottom plate (1),
the positioning block (2) is fixed at the top of the bottom plate (1); the positioning block (2) is in a V shape, and lugs on the bottom surface of the axle box body (13) are clamped in V-shaped grooves of the positioning block (2);
the hydraulic pressing cylinder (3), the hydraulic pressing cylinder (3) is fixed on the top of the bottom plate (1); the hydraulic pressing cylinder (3) presses the tops of the extension blocks (133) on two sides of the spring seat (131);
the side top pressing plates (4) are arranged on the same sides of the two spring seats (131), and the side top pressing plates (4) are abutted against the side surfaces of the extension blocks (133) of the spring seats (131);
the side-propping hydraulic pressing cylinders (5) are arranged on the same sides of the two spring seats (131), and the side-propping hydraulic pressing cylinders (5) are abutted against the side surfaces of the extension blocks (133) of the spring seats (131); the side top hydraulic pressing cylinder (5) and the side top pressing plate (4) are oppositely arranged on two sides of the spring seat (131).
2. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 1, wherein four hydraulic pressing cylinders (3) are arranged at the tops of extension blocks (133) of two spring seats (131) respectively.
3. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 1, wherein two auxiliary support columns (6) are arranged at the top of the bottom plate (1), and the two auxiliary support columns (6) are respectively abutted to the bottoms of the two spring seats (131).
4. A horizontal processing positioning fixture for axle boxes of railway carriages according to any one of claims 1 to 3, characterized in that the top of the bottom plate (1) is provided with two first limiting posts (7), and the two first limiting posts (7) are arranged below the spring seat (131) and are positioned on two sides of the main box (132).
5. A horizontal processing positioning fixture for axle boxes of railway carriages according to claim 3, characterized in that the bottoms of the hydraulic pressing cylinder (3), the side-top hydraulic pressing cylinder (5) and the auxiliary supporting column (6) are fixed with a first cushion block (8); the bottom of the side top compacting plate (4) is provided with a second cushion block (9), and the first cushion block (8) and the second cushion block (9) are fixedly connected with the bottom plate (1).
6. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 5, wherein a step (91) is arranged on one side, close to the axle box (13), of the second cushion block (9), and the side top pressing plate (4) is vertically arranged above the step (91) and is fixedly connected with the side wall of the top end of the second cushion block (9).
7. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 5, wherein a pressing plate (10) is arranged on one side, contacted with the axle box (13), of the side-top hydraulic pressing cylinder (5), and the pressing plate (10) is vertically arranged on the top of the first cushion block (8).
8. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 5, wherein the positioning fixture further comprises horizontal positioning columns (11), the horizontal positioning columns (11) are three and are respectively arranged at the tops of the two first cushion blocks (8) and the top of the step (91) of one second cushion block (9), and the auxiliary supporting columns (6) are fixed at the top of the step (91) of the other second cushion block (9).
9. The horizontal processing positioning fixture for the axle box of the railway carriage according to claim 8, wherein the top of the first cushion block (8) provided with the side-top hydraulic pressing cylinder (5) is fixedly connected with a second limit column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244526.9U CN219234648U (en) | 2023-02-17 | 2023-02-17 | Horizontal processing positioning fixture of railway passenger train axle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244526.9U CN219234648U (en) | 2023-02-17 | 2023-02-17 | Horizontal processing positioning fixture of railway passenger train axle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219234648U true CN219234648U (en) | 2023-06-23 |
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ID=86810662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320244526.9U Active CN219234648U (en) | 2023-02-17 | 2023-02-17 | Horizontal processing positioning fixture of railway passenger train axle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219234648U (en) |
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2023
- 2023-02-17 CN CN202320244526.9U patent/CN219234648U/en active Active
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