CN102853002A - Multi-cavity box-type radiating integrated brake shoe back - Google Patents
Multi-cavity box-type radiating integrated brake shoe back Download PDFInfo
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- CN102853002A CN102853002A CN2012102933521A CN201210293352A CN102853002A CN 102853002 A CN102853002 A CN 102853002A CN 2012102933521 A CN2012102933521 A CN 2012102933521A CN 201210293352 A CN201210293352 A CN 201210293352A CN 102853002 A CN102853002 A CN 102853002A
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- brake shoe
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Abstract
The invention solves the problems that friction materials on a brake shoe of a locomotive are easy to be subjected to cracking, block falling and radiating failing during the braking of the brake shoe. According to the conventional manufacture method of the brake shoe, the friction materials and a thin arc-shaped steel brake shoe back are adhered together and then are pressed to form the brake shoe, but the adhered brake shoe is easy to be subjected to the phenomenon that the friction material is unstable, and has potential safety hazards; and moreover, the friction material and wheels can generate a high temperature during the braking, and heat is not easy to be diffused, so that the physical properties of the wheels are influenced via the high temperature. According to the invention, the conventional mode that one thin steel sheet is taken as the brake shoe back is removed, an integrated box-shaped brake shoe with a plurality of cavities is manufactured by alloy, and the friction materials are filled into the cavities, therefore, the friction materials can be prevented from being subjected to cracking and block falling; moreover, the shapes of the cavities are adjusted during the casting of the brake shoe back so as to realize the efficient heat radiation; and a plurality of friction materials can be mixed to be used in the different cavities.
Description
One, technical field
The invention solves locomotive brake shoe in braking process, on the brake shoe friction material crackle occurs easily, fall piece, the problem such as can't dispel the heat.The present invention has abandoned sheet metal of present employing or has inserted a metal as the mode of brake shoe back at the sheet metal backing plate, but cause the whole box-like brake shoe back with a plurality of cavitys with alloy cast, then friction material is tamped in the cavity, prevented that effectively friction material from breaking and take off piece.
In addition, the box-like brake shoe back of cavity more than this kind can high efficiency and heat radiation, and can mix in different cavitys and use multiple friction material.
Two, background technique
Before the present invention, the production method of brake shoe is that the Boping slab lock of composite friction material and the arc back of the body is bonded together, and then by adding force compresses, and forms brake shoe; But the brake shoe of this bonding compression friction material occurs easily and takes off piece, fracture phenomena in the train braking process; Train had potential safety hazard.The way that usually adopts is after the attendant finds that the brake shoe of crackle is arranged, to change.In addition, because friction material and wheel are created in and produce high temperature in the braking process, heat is difficult for distributing, and causes the high temperature that produces that the physical property of wheel is exerted an influence.
The industry technology is used brake shoe back at present, employing be on a level and smooth curved plate, the powder-stuck that then will rub is compressed on the thinner steel plate of this piece, as shown in Figure 1.Form the sticking and brake shoe together of brake shoe back and friction material, ftracture easily but this structure can not solve friction material, fall the problem of piece.In addition, in the whole braking process, friction material and wheel can produce a large amount of heat, do not contact and the steel brake shoe back has large size with wheel, so can do nothing to help heat radiation.
The inventor has abandoned sheet metal of present employing or has inserted a metal as the mode of brake shoe back at the sheet metal backing plate; But make improvement by the steel plate overall structure of the brake shoe back of the body, adopt the box structure of many cavitys, friction material all is packaged in this many cavitys brake shoe box, allows concept sheet metal no longer just of brake shoe back, surrounded and this concept has been extended to the outer of whole brake shoe.This kind scheme has solved the problem that friction material cracked and took off piece on the brake shoe effectively, and simultaneously, this kind cavity structure has very significantly effect for heat radiation.
Three, summary of the invention:
The problem of falling piece and breaking in order to solve brake shoe, existing technical approach are to add resin to increase degree of adhesion in the mixed friction material, and this mode can strengthen the Adhesion force of friction material and steel plate; But still can not effectively control quality and reduce the quantity that breaking appears in brake shoe, will produce in process of production a large amount of waste products, a lot of work of manually picking to be arranged simultaneously, to guarantee up-to-standard rate.In addition, the user also needs frequent prospecting in the process of using, and whether brake shoe piece or crackle have occurred falling, is used for guaranteeing the safety of train driving.
The box-like lock back of the body that the alloy with a plurality of cavitys that the present invention adopts a brake shoe back of level and smooth steel plate shape to be cast as an integral body is made, coverage area is to whole brake shoe, form five face closures, a mask has the brake shoe box structure of a plurality of cavitys, then friction material is compressed in the box, like this in the process of using, owing to five faces seal, so friction material can't fall piece.And because friction material is to be distributed in a plurality of cavitys, so can effectively prevent crackle.
Box-like encirclement structure in the invention can be multiple alloying metal, has different characteristics, can guarantee the characteristic that in use keeps close with friction material can not produce harmful effect to wheel tread.
Many cavity structures in the invention can comprise various shape, and intensity and the heat dissipation potential of different shapes on engineering mechanics is different, can be that diamond structure also can be grid structure, also can be the plum blossom-shaped structures.
Many cavity structures in the invention can be reserved source part cavity as the heat radiation chamber, need not insert friction material, and these cavitys of reserving out are very beneficial for heat radiation and powder accumulation.
Reserving the way of cavity in the invention, is to have designed corresponding cavity cap, and cavity cap is covered, and then carries out prepared filler, wait condiment to finish after, cavity cap is opened; Can guarantee like this to reserve does not have foreign matter to enter in the cavity.
An other purpose of invention is in order to be conducive to the use of multiple material, can will to fill different friction materials in the different cavitys, convenient the mixing to use multiple material.
Invention also can reach places the miniature electric prober in cavity, carry out the detecting wheel wheel face, surveys brake shoe etc.
Four, description of drawings
Fig. 1 has showed present common brake shoe steel backing profile, just a thin curved plate.
Fig. 2 has showed a kind of many cavitys of rhombus boxlike brake shoe profile, and this boxlike steel backing has comprised whole brake shoe, wherein comprises its fragmentary cross-sectional view.
Fig. 3 shows the multi-cavity brake shoe of having filled friction material segment, has covered cavity cap in some cavitys on the left side, and purpose is in order to reserve these cavitys.
Fig. 4 has showed the grid cavity cap.
Fig. 5 has showed the part cavity that covers cavity cap.
Fig. 6 has showed the grid cavity figure of brake shoe and wheel surface of contact.
Five, embodiment:
1, step 1: Design and manufacture goes out the lock back of the body die stage of cavity shape:
Design the box-like lock back of the body mould with a plurality of cavitys, adopt the mode of casting or forging and pressing to carry on the back according to the box-like lock of multi-cavity that designs and manufactures of mould, as shown in Figure 2.
2, step 2: Design and manufacture goes out the cavity cover stage
To the different cavity of each lock back, design the cavity cap of correspondingly-shaped, the cavity of cavity cap and lock back is corresponding, cavity cap directly can be covered on cavity, and the cavity after guaranteeing to close the lid has sealing.As shown in Figure 3.
3, step 3: reserve the cavity stage:
For the cavity of lock back, reserve as required, if need which cavity that special material is housed, so just these cavitys are reserved, cover corresponding cavity cap.As shown in Figure 4.
4, step 4: compacting brake shoe stage
The needs of as required car brakeing parameter with manufacturer's used friction material powder of suitable wheel commonly used, cooperate resin, and high pressure is in the cavity of brake shoe back; Because the cavity that closes the lid of reserved part can not the engaging friction material powder, so that these cavitys remain is empty.
5, step 5: discharge the cavity stage:
After the brake shoe moulding, take off the cavity cap of reserving cavity, namely can produce have a frictional behaviour and the brake shoe of reserving cavity arranged.The cavity brake shoe is very beneficial for heat radiation.
6, step 6: reserve cavity and fill the stage:
When needs are made extraordinary brake shoe, need to fill different materials to different cavity, can fill different materials this moment in the cavity of reserving, such as silica sand etc.
Claims (11)
1. the box-like encirclement lock back of the body of the many cavitys that adopt the modes such as casting, forging and pressing to produce.
2. for the lock back of the body with the design of various shape cavity.
3. for can the dispel the heat lock back of the body of many cavitys of lattice-shaped.
4. for the mixing brake shoe of in many cavitys, filling the different functionalities material.
5. the brake shoe of the sensing devices such as detection, warning is housed in many cavitys.
6. there is difform many cavitys lattice design in the brake shoe.
7. dispel the heat by lock back of the body integral material and the brake shoe of heat conduction.
8. the formation of box-like many cavitys can adopt a plurality of many re-entrant parts to form, and comprises the many cavitys of rhombus, the many cavitys of trellis, full of flourishes cavity etc.
9. with box-packed many cavitys brake shoe back of non-full encirclement structure.
10. the box-like encirclement lock back of the body of the many cavitys that adopt alloy to make.
11. the brake shoe back that cavity can adopt cavity cap to encapsulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102933521A CN102853002A (en) | 2012-08-17 | 2012-08-17 | Multi-cavity box-type radiating integrated brake shoe back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102933521A CN102853002A (en) | 2012-08-17 | 2012-08-17 | Multi-cavity box-type radiating integrated brake shoe back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102853002A true CN102853002A (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102933521A Pending CN102853002A (en) | 2012-08-17 | 2012-08-17 | Multi-cavity box-type radiating integrated brake shoe back |
Country Status (1)
| Country | Link |
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| CN (1) | CN102853002A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124527A1 (en) * | 1981-06-23 | 1983-01-05 | Textar Gmbh, 5090 Leverkusen | Brake shoe for brakes, in particular partly lined disc brakes |
| CN201739394U (en) * | 2010-07-21 | 2011-02-09 | 大连交通大学 | Sectional type brake shoe for railway vehicles |
| CN102575736A (en) * | 2009-09-17 | 2012-07-11 | 科恩苏普拉斯特责任有限公司 | Brake pad for vehicle disc brake |
| CN202326837U (en) * | 2011-11-08 | 2012-07-11 | 盛土根 | Brake pad |
-
2012
- 2012-08-17 CN CN2012102933521A patent/CN102853002A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3124527A1 (en) * | 1981-06-23 | 1983-01-05 | Textar Gmbh, 5090 Leverkusen | Brake shoe for brakes, in particular partly lined disc brakes |
| CN102575736A (en) * | 2009-09-17 | 2012-07-11 | 科恩苏普拉斯特责任有限公司 | Brake pad for vehicle disc brake |
| CN201739394U (en) * | 2010-07-21 | 2011-02-09 | 大连交通大学 | Sectional type brake shoe for railway vehicles |
| CN202326837U (en) * | 2011-11-08 | 2012-07-11 | 盛土根 | Brake pad |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Niu Li Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |