CN221389834U - Positioning fixture for processing joint hoop of railway passenger car - Google Patents
Positioning fixture for processing joint hoop of railway passenger car Download PDFInfo
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- CN221389834U CN221389834U CN202323161935.1U CN202323161935U CN221389834U CN 221389834 U CN221389834 U CN 221389834U CN 202323161935 U CN202323161935 U CN 202323161935U CN 221389834 U CN221389834 U CN 221389834U
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- brackets
- bottom plate
- jacking columns
- auxiliary bottom
- clamping
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- 238000012545 processing Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a positioning fixture for processing a joint hoop of a railway passenger car, which comprises an L-shaped base and a clamping mechanism, wherein the L-shaped base comprises a base and a supporting plate which are vertically distributed and connected into a whole; the clamping mechanism comprises two jacking columns, an auxiliary bottom plate, two brackets and a central positioning block, wherein the two jacking columns are vertical and distributed at intervals, the bottoms of the two jacking columns are respectively in threaded connection with the base, and the tops of the two jacking columns are respectively inserted into counter bores at two sides of the auxiliary bottom plate; the two brackets are respectively and vertically fixed on two sides of the top of the auxiliary bottom plate; the center positioning block is fixed on the supporting plate and is positioned between the two brackets. The utility model adopts the force application from bottom to top, has simple operation, saves time and labor, improves the processing efficiency, is firm in clamping, improves the processing precision and improves the product qualification rate.
Description
Technical Field
The utility model relates to the technical field of clamps for railway carriage components, in particular to a positioning clamp for machining a node hoop of a railway carriage.
Background
The railway carriage bogie has the functions of supporting the railway carriage body, reducing the vibration of the railway train body and improving the running stability of the railway train. The joint hoop of the railway carriage is used as an important component of a bogie of the railway carriage, and has the main functions of connecting wheels with side frames or frameworks, converting the rolling of the wheels along steel rails into the translation of a carriage body, bearing the weight of the carriage body and transmitting acting force.
The positioning and mounting of the node hoop of the railway carriage on the operation platform of the numerical control machine tool are needed in the processing process of the node hoop of the railway carriage, and the existing positioning mode of the node hoop of the railway carriage is as follows: firstly, determining a datum line and correcting the joint hoop of the railway carriage by manual scribing, then supporting the joint hoop of the railway carriage on a numerical control machine tool operation table by using a plurality of sizing blocks, finally fastening bolts on the numerical control machine tool operation table, clamping and fixing the joint hoop of the railway carriage by a pressing plate, on one hand, time and labor are wasted in positioning operation, machining efficiency is low, on the other hand, clamping and fixing the joint hoop of the railway carriage by fastening bolts and the pressing plate, clamping is unstable, machining of the joint hoop of the railway carriage is inaccurate, and product qualification rate is low.
Therefore, providing a high-efficiency and stable positioning fixture for processing the joint hoops of the railway passenger car is a problem to be solved by the person skilled in the art.
Disclosure of utility model
In view of the above, the utility model provides the positioning fixture for processing the joint hoop of the railway carriage, which can reduce the workload of operators and can safely and stably process products.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A rail car node hoop adds clamping apparatus, includes:
The L-shaped base comprises a base and a supporting plate which are vertically distributed and connected into a whole;
The clamping mechanism comprises two jacking columns, an auxiliary bottom plate, two brackets and a central positioning block, wherein the two jacking columns are vertically and alternately distributed, the bottoms of the two jacking columns are respectively in threaded connection with the base, and the tops of the two jacking columns are respectively inserted into counter bores at two sides of the auxiliary bottom plate; the two brackets are respectively and vertically fixed on two sides of the top of the auxiliary bottom plate; the center positioning block is fixed on the supporting plate and positioned between the two brackets.
By adopting the technical scheme, the utility model has the beneficial effects that:
The device has the advantages that the device is stressed from bottom to top, the operation is simple, the time and the labor are saved, the processing efficiency is improved, the clamping is firm, the processing accuracy is improved, and the product qualification rate is improved.
Further, the clamping mechanisms are multiple in number, and the clamping mechanisms are distributed at intervals along the length direction of the L-shaped base.
The beneficial effects of adopting the further technical scheme are that a plurality of products are processed at one time, so that the production efficiency is greatly improved.
Further, two corresponding wrench clamping planes are cut on the side face of each top column.
The technical scheme has the beneficial effects that the spanner is convenient to pull the jacking column to rotate.
Further, the shape of the center positioning block is matched with the shape of the joint hoop of the railway carriage.
The clamping device has the beneficial effects that clamping firmness is 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 structural view of a positioning fixture for processing a joint hoop of a railway carriage, which is provided by the utility model;
Fig. 2 is a schematic structural view of a working state of a positioning fixture for processing a joint hoop of a railway carriage.
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.
As shown in fig. 1 and 2, the embodiment of the utility model discloses a processing and positioning clamp for a joint hoop of a railway carriage, which comprises an L-shaped base 1 and a clamping mechanism 2, wherein the L-shaped base 1 comprises a base 11 and a supporting plate 12 which are vertically distributed and connected into a whole; the clamping mechanism 2 comprises two jacking columns 21, an auxiliary bottom plate 22, two brackets 23 and a central positioning block 24, wherein the two jacking columns 21 are vertically and alternately distributed, the bottoms of the two jacking columns 21 are respectively in threaded connection with the base 11, the tops of the two jacking columns 21 are respectively inserted into counter bores at two sides of the auxiliary bottom plate 22, in the embodiment, the diameter of the jacking column 21 is 19.95mm, the diameter of the counter bore is 20.00mm, so that clearance fit is formed between the jacking column 21 and the counter bore, and the jacking column 21 can rotate in the counter bore; two brackets 23 are vertically fixed on both sides of the top of the auxiliary bottom plate 22, respectively; the central positioning block 24 is fixed on the supporting plate 12 and is positioned between the two brackets 23, and the shape of the central positioning block 24 is matched with the shape of the joint hoop 3 of the railway carriage. The utility model adopts the force application from bottom to top, has simple operation, saves time and labor, improves the processing efficiency, is firm in clamping, improves the processing precision and improves the product qualification rate.
In order to further optimize the technical scheme of the utility model, the number of the clamping mechanisms 2 is multiple, and the clamping mechanisms 2 are distributed at intervals along the length direction of the L-shaped base, so that a plurality of products are processed at one time, and the production efficiency is greatly improved. In the present embodiment, the number of the holding mechanisms 2 is two.
In order to further optimize the technical scheme of the utility model, two corresponding wrench clamping planes are cut on the side surface of each jacking column 21 so as to facilitate the rotation operation of the wrench pulling jacking column.
The working process of the utility model comprises the following steps:
The joint hoop 3 of the railway carriage is placed on the two supports 23, the jacking column 21 is turned by a spanner, the jacking column 21 can ascend for a certain distance due to the threaded connection of the jacking column 21 and the base 11, the auxiliary bottom plate 22 and the supports 23 are further jacked, the joint hoop 3 of the railway carriage is driven to ascend until the joint hoop 3 of the railway carriage contacts with the central positioning block 24 matched with the shape of the joint hoop, and clamping is completed.
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 (4)
1. The utility model provides a track passenger train node hoop adds clamping apparatus which characterized in that includes:
The L-shaped base comprises a base and a supporting plate which are vertically distributed and connected into a whole;
The clamping mechanism comprises two jacking columns, an auxiliary bottom plate, two brackets and a central positioning block, wherein the two jacking columns are vertically and alternately distributed, the bottoms of the two jacking columns are respectively in threaded connection with the base, and the tops of the two jacking columns are respectively inserted into counter bores at two sides of the auxiliary bottom plate; the two brackets are respectively and vertically fixed on two sides of the top of the auxiliary bottom plate; the center positioning block is fixed on the supporting plate and positioned between the two brackets.
2. The positioning fixture for processing the joint hoops of the railway carriage according to claim 1, characterized in that the number of the clamping mechanisms is plural, and the plural clamping mechanisms are distributed at intervals along the length direction of the L-shaped base.
3. A rail car node collar tooling fixture as in claim 1 or 2 wherein each of said top post sides is cut with two corresponding wrench gripping flats.
4. The track bus node hoop tooling positioning fixture of claim 1 wherein the center locating block profile is adapted to the track bus node hoop profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323161935.1U CN221389834U (en) | 2023-11-23 | 2023-11-23 | Positioning fixture for processing joint hoop of railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323161935.1U CN221389834U (en) | 2023-11-23 | 2023-11-23 | Positioning fixture for processing joint hoop of railway passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221389834U true CN221389834U (en) | 2024-07-23 |
Family
ID=91944170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323161935.1U Active CN221389834U (en) | 2023-11-23 | 2023-11-23 | Positioning fixture for processing joint hoop of railway passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221389834U (en) |
-
2023
- 2023-11-23 CN CN202323161935.1U patent/CN221389834U/en active Active
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|---|---|---|---|
| GR01 | Patent grant |