CN209868221U - Brake shoe rounding tool - Google Patents
Brake shoe rounding tool Download PDFInfo
- Publication number
- CN209868221U CN209868221U CN201920667885.9U CN201920667885U CN209868221U CN 209868221 U CN209868221 U CN 209868221U CN 201920667885 U CN201920667885 U CN 201920667885U CN 209868221 U CN209868221 U CN 209868221U
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- rounding
- rounding tool
- bottom plate
- pin shafts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a brake shoe rounding tool, which comprises a bottom plate, wherein the bottom plate is provided with a lower fixed pin, a flat key seat and two pin shafts; the two pin shafts are fixed through a connecting piece, and a distance adjusting device is arranged between the two pin shafts. The utility model has the advantages that: set up two round pins and can satisfy the requirement of different brake shoe rounding through adjusting the distance between two round pins, solve among the prior art rounding frock and cause the poor problem of brake shoe rounding effect.
Description
Technical Field
The utility model relates to a brake shoe rounding frock.
Background
The brake shoe of the axle often has certain error in the process of manufacturing and assembling, and the brake shoe can not be in good surface contact with a brake drum after being installed. Therefore, in order to solve this problem, the brake shoe needs to be rounded before being installed.
The rounding tool for the brake shoe in the prior art is shown in fig. 1 and 2, and comprises a bottom plate 11, two lower fixing pins 12, a flat key seat 13 and two upper fixing pins 14, wherein the lower fixing pins 12 and the upper fixing pins 14 are fixedly arranged on the bottom plate 11. In rounding the brake shoe, the brake shoe is fixed to a rounding tool by a lower fixing pin 12 and an upper fixing pin 14, as shown in fig. 3.
In practical application, each batch of brake shoes usually has a certain error, the excircle of the brake shoe is larger or smaller, the fixed pin shaft can lead to more friction plates with larger excircle to be ground and smaller friction plates to be ground, and the aim of grinding the excircle can not be achieved.
In order to solve the problems, a common method in the prior art is to provide a long round hole on a bottom plate, and a hole-shaft matching mode is adopted between an upper fixing pin and the bottom plate, as shown in fig. 4, but the mode is inconvenient to adjust, and a bolt can be loosened during use, so that the rounding effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a brake shoe rounding frock to the relatively poor problem of brake shoe rounding effect of rounding work among the solution prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a brake shoe rounding tool comprises a bottom plate, wherein a lower fixing pin and a flat key seat are arranged on the bottom plate; the brake shoe rounding tool further comprises two pin shafts; the two pin shafts are fixed through a connecting piece, and a distance adjusting device is arranged between the two pin shafts.
Furthermore, the distance adjusting device comprises an adjusting gasket, and the adjusting gasket is used for adjusting the distance between the two pin shafts.
Further, the distance adjusting device comprises an intermediate shaft which is arranged between the two pin shafts.
Further, the connecting piece is an elastic connecting piece.
Furthermore, the elastic connecting piece is a rubber band.
The utility model has the advantages that: set up two round pins and can satisfy the requirement of different brake shoe rounding through adjusting the distance between two round pins, solve among the prior art rounding frock to the poor problem of brake shoe rounding effect.
Drawings
FIG. 1 is a side view of a prior art brake shoe rounding tool;
FIG. 2 is a front view of a brake shoe rounding tool in the prior art;
FIG. 3 is a schematic view of a brake shoe rounding tool used in the prior art;
FIG. 4 is a front view of a brake shoe rounding tool with oblong holes in the prior art;
FIG. 5 is a side view of a brake pad rounding tool in an embodiment of the present invention;
fig. 6 is a front view of a brake pad rounding tool in an embodiment of the present invention.
Detailed Description
The embodiment provides a brake shoe rounding frock for solve among the prior art to the poor problem of brake shoe effect of polishing.
The brake shoe rounding tool provided by the embodiment has the structure shown in fig. 5 and 6, and comprises a bottom plate 21, wherein a flat key seat 23 and two lower fixing pins 22 are arranged on the bottom plate 21.
An intermediate shaft 26 and an adjusting shim 25 are arranged between the two movable pins 24, and the two movable pins 24 are bound by the rubber band 7.
The braking brake shoe rounding frock that this embodiment provided, its theory of operation is:
the lower end holes of two brake shoe plates to be ground are respectively sleeved on the two lower fixing pins 22, the two movable pins 24 are respectively inserted in the upper end holes of the two brake shoe plates to be ground, the intermediate shaft 26 is arranged between the two movable pins 24, and the distance between the two movable pins 24 is adjusted by increasing or reducing the number or thickness of the adjusting gaskets 25 so as to meet the requirements of different brake shoe plates on the tool during rounding.
The distance adjusting device that sets up between two round pin axles in this embodiment includes jackshaft and adjusting shim, and as other embodiments, distance adjusting device can only set up jackshaft or gasket.
The connecting piece in this embodiment adopts the rubber band, as other implementation modes, also can adopt other elastic connection spare such as elasticity rope, also can adopt rigid connection spare as other implementation modes, if adopt adapter sleeve and U type connecting rod, the both ends of connecting rod are provided with the screw thread, the adapter sleeve is provided with two through-holes, the both ends of U type connecting rod are inserted and are established back accessible nut in these two through-holes and fix it, and can adjust the position that the adapter sleeve set up on the connecting rod through the nut, thereby satisfy the requirement of different braking brake shoes to the rounding frock.
Claims (5)
1. A brake shoe rounding tool comprises a bottom plate, wherein a lower fixing pin and a flat key seat are arranged on the bottom plate; the brake shoe rounding tool is characterized by further comprising two pin shafts; the two pin shafts are fixed through a connecting piece, and a distance adjusting device is arranged between the two pin shafts.
2. The brake shoe rounding tool of claim 1, wherein the distance adjustment means comprises an adjustment shim for adjusting the spacing between the two pins.
3. A brake shoe rounding tool according to claim 1 or 2, characterized in that said distance adjustment means comprises an intermediate shaft arranged between two pins.
4. The brake shoe rounding tool of claim 1, wherein said connector is an elastomeric connector.
5. The brake shoe rounding tool of claim 4, wherein the elastic connector is a rubber band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667885.9U CN209868221U (en) | 2019-05-10 | 2019-05-10 | Brake shoe rounding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667885.9U CN209868221U (en) | 2019-05-10 | 2019-05-10 | Brake shoe rounding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209868221U true CN209868221U (en) | 2019-12-31 |
Family
ID=68964627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920667885.9U Expired - Fee Related CN209868221U (en) | 2019-05-10 | 2019-05-10 | Brake shoe rounding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209868221U (en) |
-
2019
- 2019-05-10 CN CN201920667885.9U patent/CN209868221U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |