CN2305334Y - Semi metal brake shoe of electric locomotive - Google Patents
Semi metal brake shoe of electric locomotive Download PDFInfo
- Publication number
- CN2305334Y CN2305334Y CN 97215241 CN97215241U CN2305334Y CN 2305334 Y CN2305334 Y CN 2305334Y CN 97215241 CN97215241 CN 97215241 CN 97215241 U CN97215241 U CN 97215241U CN 2305334 Y CN2305334 Y CN 2305334Y
- Authority
- CN
- China
- Prior art keywords
- friction material
- utility
- model
- brake shoe
- skeleton
- 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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- Braking Arrangements (AREA)
Abstract
The utility model discloses a brake shoe which comprises a framework (1) and a friction material block (4), wherein the framework (1) is welded with a latch buckle (2). The utility model is characterized in that both ends of the framework (1) are punched into latch positioning grooves (3), the friction material block (4) is made of semimetal friction material, and the friction material block (4) and framework (1) are hot pressed. When used for braking, the utility model has no environmental pollution because of no phosphorus or asbestos. Compared with composite brake shoes, the utility model has favorable heat-conductive performance and anti-heat fade performance because of added metal. Compared with cast iron brake shoes and composite brake shoes, the utility model has longer service life.
Description
The utility model relates to the accessory in a kind of electric locomotive running gear, refers in particular to brake shoe.
Braking technology is one of important technology of railway locomotive, vehicle, and it is the safe and reliable important leverage of locomotive, vehicle operating.The Block brake mode has been used till today since railway is arranged always, and the friction material of brake shoe, and very big effort has all been done in countries in the world, from wooden brake shoe to various cast iron brake shoes to composite brake shoe.They are used for the rolling stock that speed per hour is lower than 120Km/h.But phosphorous cast iron brake shoe Heavy Weight, use that noise is big, dust many and phosphorous poisonous; Composite brake shoe is because of containing the asbestos composition, and heat dispersion is poor, cause intoxication accident easily.All there is short defective in service life in they.Its structure of cast iron brake shoe is welding bolt buckle and a latch detent on the whole friction shoe.The structure of composite brake shoe is that skeleton and synthetic friction material piece (its Main Ingredients and Appearance is resin, asbestos, graphite, iron powder, barium sulfate, and iron content is very low) hot pressing form, and bolt buckle and latch detent are set on the skeleton.
The purpose of this utility model is to provide a kind of brake shoe, its glancing impact good heat conductivity, no flue dust, noiselessness, does not have public hazards, and long service life is in being suitable for, the low speed locomotive.
In order to achieve the above object, the solution that the utility model is taked is: a kind of brake shoe, and it comprises skeleton and friction material block, is welded with bolt buckle on the skeleton, the punching out of skeleton two ends is cut out and is made into the latch detent, and friction material block adopts semimetal friction material and skeleton hot pressing to form.
Owing to contain iron powder more than 50% in the semimetal friction material, be aided with adhesive agent, resin, reinforcer etc., do not contain asbestos and phosphorus, so glancing impact does not produce pollution to environment.Because it is increased metal ingredient, better than composite brake shoe glancing impact good heat conductivity, heat resistanceheat resistant decline property.It has good comprehensive in-use performance, good heat resistance, and (strength under shock is 8～10KJ/m to the mechanical strength height
2, compression strength is 60～70MPa), long service life is little to taking turns right wearing and tearing, and is low to oil and water sensitivity, stable friction performance under moist situation.Owing to cut out in the punching out of skeleton two ends and to be made into the latch detent, thereby skeleton and friction material block bond quality are better, during it is applicable to fully, the low speed locomotive.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a birds-eye view of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
The utility model comprises skeleton (1) and friction material block (4), is welded with bolt buckle (2) on the skeleton (1), and the punching out of skeleton (1) two ends is cut out and is made into latch detent (3), and friction material block (4) adopts semimetal friction material and skeleton (1) hot pressing to form.In order further to improve the bond quality of skeleton (1) and friction material block (4), on skeleton (1), be washed into four circular holes.
Claims (2)
1, a kind of semimetal electric locomotive brake shoe, it comprises skeleton (1) and friction material block (4), be welded with bolt buckle (2) on the skeleton (1), it is characterized in that skeleton (1) two ends punching out sanction is made into latch detent (3), friction material block (4) adopts semimetal friction material and skeleton (1) hot pressing to form.
2, a kind of semimetal electric locomotive brake shoe according to claim 1 is characterized in that on the skeleton (1) also towards four circular holes are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215241 CN2305334Y (en) | 1997-04-23 | 1997-04-23 | Semi metal brake shoe of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215241 CN2305334Y (en) | 1997-04-23 | 1997-04-23 | Semi metal brake shoe of electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2305334Y true CN2305334Y (en) | 1999-01-27 |
Family
ID=33932465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97215241 Expired - Fee Related CN2305334Y (en) | 1997-04-23 | 1997-04-23 | Semi metal brake shoe of electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2305334Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144488A (en) * | 2019-06-27 | 2019-08-20 | 浙江乐粉轨道交通科技有限公司 | A kind of powdered metallurgical material and its friction piece and frictional disk of application |
-
1997
- 1997-04-23 CN CN 97215241 patent/CN2305334Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144488A (en) * | 2019-06-27 | 2019-08-20 | 浙江乐粉轨道交通科技有限公司 | A kind of powdered metallurgical material and its friction piece and frictional disk of application |
| CN110144488B (en) * | 2019-06-27 | 2024-06-04 | 浙江乐粉轨道交通科技有限公司 | Powder metallurgy material, friction body and friction disc applied by same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |