CN219582210U - Axle box positioning fixture of railway passenger car - Google Patents
Axle box positioning fixture of railway passenger car Download PDFInfo
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- CN219582210U CN219582210U CN202320244379.5U CN202320244379U CN219582210U CN 219582210 U CN219582210 U CN 219582210U CN 202320244379 U CN202320244379 U CN 202320244379U CN 219582210 U CN219582210 U CN 219582210U
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- box body
- axle box
- hydraulic
- plate
- bottom plate
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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 positioning clamp for an axle box body of a railway passenger car, which comprises the following components: the bottom plate, the three-jaw chuck is arranged at the bottom of the axle box body and is clamped at the inner side of the axle box body bearing hole; the hydraulic rotary pressing plates are arranged at the tops of the two spring seats of the axle box body respectively and are pressed with the axle box body; the side pressing plate is arranged at the end face of the bearing hole of the axle box body and is tightly pressed with the top of the end face of the bearing hole; the rotary limiting block is abutted to the side wall of the main box body of the axle box body, which is connected with the spring seat; the side-top oil hydraulic cylinder and the rotary limiting block are arranged at the joint of the same spring seat in the axle box body and the main box body; the side-ejection oil hydraulic cylinder and the rotary limiting block are oppositely arranged at two sides of the joint of the spring seat and the main box body and are respectively abutted against the joint of the spring seat and the main box body. The positioning fixture is convenient to operate and good in positioning accuracy.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a rail bus axle box positioning clamp.
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 axle box positioning clamp of the railway passenger car, which is convenient to operate and good in positioning accuracy, is researched and is a problem to be solved by a person skilled in the art.
Disclosure of Invention
In view of the above, the utility model provides the axle box positioning clamp 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 rail car axle box positioning fixture, comprising:
the bottom plate is provided with a bottom plate,
the three-jaw chuck is fixed at the top of the bottom plate, is arranged at the bottom of the axle box body and is clamped at the inner side of the axle box body bearing hole;
the hydraulic rotary pressing plate is fixed on the top of the bottom plate; the hydraulic rotary pressing plates are arranged at the tops of the two spring seats of the axle box body respectively and are pressed with the axle box body;
a side pressure plate fixed to the top of the bottom plate; the side pressure plate is arranged at the end face of the bearing hole of the axle box body, and is tightly pressed with the top of the end face of the bearing hole;
the rotating limiting block is fixed at the top of the bottom plate; the rotary limiting block is abutted against the side wall of the main box body of the axle box body, which is connected with the spring seat;
the side-ejection oil hydraulic cylinder is fixed at the top of the bottom plate; the side-top oil hydraulic cylinder and the rotation limiting block are arranged at the joint of the same spring seat and the main box body in the axle box body; the side-ejection oil hydraulic cylinder and the rotary limiting block are oppositely arranged on two sides of the joint of the spring seat and the main box body, and are both abutted to the joint of the spring seat and the main box body.
The technical scheme has the beneficial effects that the three-jaw chuck is used for limiting the degrees of freedom of the axle box body in the X and Y axis directions, meanwhile, the hydraulic rotary pressing plate and the side pressing plate can limit the degrees of freedom of the axle box body in the Z axis direction, the rotary limiting block and the side-top oil hydraulic cylinder limit the degrees of freedom of the axle box body, and the accurate positioning of the axle box body is realized; meanwhile, the clamp is simple in operation of positioning the axle box body, time and labor are saved, and machining efficiency can be improved.
Preferably, two auxiliary support columns are arranged at the top of the bottom plate, and the two auxiliary support columns are respectively arranged at the bottoms of the two spring seats and are abutted to the bottom surfaces of the spring seats. The auxiliary support column can play a role in supporting the bottom of the axle box body, so that the axle box body is more stable in structure when being positioned.
Preferably, the side pressure plate includes: a hydraulic side pressing plate and a hydraulic pressing cylinder; the hydraulic side pressing plates and the hydraulic pressing cylinders are respectively arranged on two sides of the top end face of the bearing hole, and the hydraulic pressing cylinders press the top end face of the bearing hole; the hydraulic side pressing plate is arranged at the rib plate of the outer side wall of the main box body, and is pressed on the top of the rib plate. The hydraulic side pressing plate, the hydraulic pressing cylinder and the two hydraulic rotating pressing plates are respectively pressed at four different directions of the axle box body, so that the axle box body can be positioned more accurately in the processing process, the processing precision of the axle box body is improved, and the qualification rate of products is improved.
Preferably, a limit column is arranged at the top of the bottom plate, and the limit column is arranged at one side of the main box body, which is far away from the side-top oil hydraulic cylinder. The spacing post can restrict the space of placing of axle box on the bottom plate, makes the axle box can more quick, accurate place on corresponding position.
Preferably, the bottoms of the hydraulic rotary pressing plate, the auxiliary supporting column, the hydraulic side pressing plate and the hydraulic pressing cylinder are fixedly connected with cushion blocks, and the bottoms of the cushion blocks are fixedly connected with the bottom plate. The height of the hydraulic rotary pressing plate, the auxiliary supporting column, the hydraulic side pressing plate and the hydraulic pressing cylinder can be adjusted through the arrangement of the cushion block, so that the axle box body can be positioned and clamped more accurately.
Compared with the prior art, the utility model discloses the positioning clamp for the axle box of the railway passenger car, which has the beneficial effects that:
(1) According to the utility model, the three-jaw chuck, the hydraulic rotary pressing plate, the hydraulic side pressing plate and the hydraulic pressing cylinder are used for positioning the degree of freedom in the axial direction of the axle box X, Y, Z, and the rotary limiting block and the side-top oil hydraulic cylinder are used for limiting the degree of freedom in the axial direction of the axle box, so that the accurate positioning of the axle box can be realized;
(2) The spacing post limits the space of placing of axle box, makes the axle box can be more quick, accurate place on corresponding position, and this positioning fixture's location easy operation, labour saving and time saving can improve machining efficiency, and fixes a position accurately, and the axle box clamping is firm, can improve the machining precision of axle box, improves the qualification rate of product.
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 structural diagram of a positioning fixture and an axle box body in a rotating manner;
fig. 2 is a front view of a positioning fixture and an axle box body in a rotating manner;
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-three jaw chuck; 3-a hydraulic rotating platen;
4-side pressing plates;
41-hydraulic side pressure plates; 42-a hydraulic pressure compressing cylinder;
5-rotating a limiting block; 6-side-top oil hydraulic cylinder; 7-auxiliary support columns; 8-a limit column; 9-cushion blocks;
10-axle box body;
101-a spring seat; 102-main box.
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 positioning clamp for an axle box body of a railway passenger car, which comprises the following components:
the base plate 1 is provided with a plurality of grooves,
the three-jaw chuck 2, the three-jaw chuck 2 is fixed on the top of the bottom plate 1, the three-jaw chuck 2 is arranged at the bottom of the axle box 10 and is clamped on the inner side of a bearing hole of the axle box 10;
a hydraulic rotary pressing plate 3, wherein the hydraulic rotary pressing plate 3 is fixed on the top of the bottom plate 1; the two hydraulic rotary pressing plates 3 are respectively arranged at the tops of the two spring seats 101 of the axle box body 10 and are pressed with the axle box body 10;
a side pressure plate 4, the side pressure plate 4 being fixed to the top of the bottom plate 1; the side pressure plate 4 is arranged at the end face of the bearing hole of the axle box body 10, and the side pressure plate 4 is tightly pressed with the top of the end face of the bearing hole;
the rotary limiting block 5 is fixed on the top of the bottom plate 1; the rotation limiting block 5 is abutted against the side wall of the main box body 102 of the axle box body 10, which is connected with the spring seat 101;
a side-top hydraulic cylinder 6, the side-top hydraulic cylinder 6 being fixed to the top of the bottom plate 1; the side-top oil hydraulic cylinder 6 and the rotary limiting block 5 are arranged at the joint of the same spring seat 101 and the main box body 102 in the axle box body 10; the side-top oil hydraulic cylinder 6 and the rotation limiting block 5 are oppositely arranged at two sides of the joint of the spring seat 101 and the main box 102, and are abutted against the joint of the spring seat 101 and the main box 102. The rotating limiting block 5 and the side-ejection oil hydraulic cylinder 6 are used for propping up one side of the axle box 10, so that the limiting of the rotating direction of the axle box 10 is realized.
In order to further optimize the above technical solution, two auxiliary support columns 7 are provided on the top of the bottom plate 1, and the two auxiliary support columns 7 are respectively disposed at the bottoms of the two spring seats 101 and are abutted against the bottom surfaces of the spring seats 101. The auxiliary support column 7 adopts hydraulic drive, can carry out corresponding support to the axle box 10 according to actual conditions.
In order to further optimize the above technical solution, the side pressure plate 4 comprises: a hydraulic side pressure plate 41 and a hydraulic pressure cylinder 42; the hydraulic side pressing plates 41 and the hydraulic pressing cylinders 42 are respectively arranged on two sides of the top end face of the bearing hole, and the hydraulic pressing cylinders 42 press the top end face of the bearing hole; the hydraulic side pressing plate 41 is arranged at the rib plate of the outer side wall of the main box body 102, and the hydraulic side pressing plate 41 is tightly pressed on the top of the rib plate. The gusset is equipped with two in the outside direction of height of main tank 102, and hydraulic pressure side pressure board 41 compresses tightly in the gusset top of below, and hydraulic pressure side pressure board 41 and hydraulic pressure jar 42 compress tightly the location to the not co-altitude position of main tank 102 respectively, and then guarantee that axle box 10 is fixed a position more firmly.
In order to further optimize the technical scheme, the top of the bottom plate 1 is provided with a limit post 8, and the limit post 8 is arranged on one side of the main box 102 away from the side-top oil hydraulic cylinder 6.
In order to further optimize the technical scheme, the bottoms of the hydraulic rotary pressing plate 3, the auxiliary supporting columns 7, the hydraulic side pressing plate 41 and the hydraulic pressing cylinder 42 are fixedly connected with cushion blocks 9, and the bottoms of the cushion blocks 9 are fixedly connected with the bottom plate 1. The heights of the cushion blocks 9 at different positions are different, and the cushion blocks 9 with different heights can be used according to actual needs.
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 (5)
1. The utility model provides a railway passenger train axle box positioning fixture which characterized in that includes:
a bottom plate (1),
the three-jaw chuck (2), the three-jaw chuck (2) is fixed at the top of the bottom plate (1), and the three-jaw chuck (2) is arranged at the bottom of the axle box body (10) and is clamped at the inner side of a bearing hole of the axle box body (10);
a hydraulic rotary pressing plate (3), wherein the hydraulic rotary pressing plate (3) is fixed at the top of the bottom plate (1); the two hydraulic rotary pressing plates (3) are arranged at the tops of the two spring seats (101) of the axle box body (10) respectively and are pressed with the axle box body (10);
a side pressing plate (4), wherein the side pressing plate (4) is fixed on the top of the bottom plate (1); the side pressure plate (4) is arranged at the end face of the bearing hole of the axle box body (10), and the side pressure plate (4) is tightly pressed with the top of the end face of the bearing hole;
the rotating limiting block (5) is fixed on the top of the bottom plate (1); the rotary limiting block (5) is abutted against the side wall of the main box body (102) of the axle box body (10) connected with the spring seat (101);
a side-top hydraulic cylinder (6), wherein the side-top hydraulic cylinder (6) is fixed on the top of the bottom plate (1); the side-top oil hydraulic cylinder (6) and the rotation limiting block (5) are arranged at the joint of the same spring seat (101) and the main box body (102) in the axle box body (10); the side-ejection oil hydraulic cylinder (6) and the rotary limiting block (5) are oppositely arranged on two sides of the joint of the spring seat (101) and the main box body (102), and are abutted to the joint of the spring seat (101) and the main box body (102).
2. The positioning fixture for the axle box of the railway carriage according to claim 1, wherein two auxiliary supporting columns (7) are arranged at the top of the bottom plate (1), and the two auxiliary supporting columns (7) are respectively arranged at the bottoms of the two spring seats (101) and are abutted against the bottom surfaces of the spring seats (101).
3. A rail car axle box positioning clamp according to claim 1 or 2, characterized in that the side pressure plate (4) comprises: a hydraulic side pressure plate (41) and a hydraulic pressure cylinder (42); the hydraulic side pressing plates (41) and the hydraulic pressing cylinders (42) are respectively arranged on two sides of the top end face of the bearing hole, and the hydraulic pressing cylinders (42) press the top end face of the bearing hole; the hydraulic side pressing plate (41) is arranged at a rib plate of the outer side wall of the main box body (102), and the hydraulic side pressing plate (41) is tightly pressed at the top of the rib plate.
4. A rail passenger car axle box positioning fixture according to claim 3, characterized in that the top of the bottom plate (1) is provided with a limit post (8), the limit post (8) is arranged at one side of the main box (102) far away from the side top oil hydraulic cylinder (6).
5. A rail passenger car axle box positioning fixture according to claim 3, wherein the bottoms of the hydraulic rotating pressing plate (3), the auxiliary supporting column (7), the hydraulic side pressing plate (41) and the hydraulic pressing cylinder (42) are fixedly connected with cushion blocks (9), and the bottoms of the cushion blocks (9) are fixedly connected with the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244379.5U CN219582210U (en) | 2023-02-17 | 2023-02-17 | Axle box positioning fixture of railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320244379.5U CN219582210U (en) | 2023-02-17 | 2023-02-17 | Axle box positioning fixture of railway passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219582210U true CN219582210U (en) | 2023-08-25 |
Family
ID=87693852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320244379.5U Active CN219582210U (en) | 2023-02-17 | 2023-02-17 | Axle box positioning fixture of railway passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219582210U (en) |
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2023
- 2023-02-17 CN CN202320244379.5U patent/CN219582210U/en active Active
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