CN102401051A - Powder metallurgical brake shoe for railway locomotive - Google Patents
Powder metallurgical brake shoe for railway locomotive Download PDFInfo
- Publication number
- CN102401051A CN102401051A CN2010102782753A CN201010278275A CN102401051A CN 102401051 A CN102401051 A CN 102401051A CN 2010102782753 A CN2010102782753 A CN 2010102782753A CN 201010278275 A CN201010278275 A CN 201010278275A CN 102401051 A CN102401051 A CN 102401051A
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- percent
- friction material
- material block
- powder metallurgical
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a powder metallurgical brake shoe for a railway locomotive. The brake shoe comprises a brake shoe back and a frictional material block, wherein the brake shoe back comprises a brake shoe nose and a positioning groove; the frictional material block is manufactured by a powder metallurgical process; and the frictional material block and the brake shoe back are directly sintered together at the pressure sintering stage of the powder metallurgical process. The brake shoe is characterized in that: the frictional material block consists of the following components in percentage by weight: 12 to 14 percent of graphite, 3 to 5 percent of copper, 1 to 3 percent of manganese, 1 to 3 percent of chromium, 1 to 3 percent of nickel, 1 to 2 percent of aluminum, 2 to 5 percent of molybdenum disulfide, 2 to 5 percent of mullite, 2 to 4 percent of molybdenum trioxide and the balance of iron. The brake shoe has the advantages of simple structure, short manufacturing process flow and low manufacturing cost. The powder metallurgical brake shoe has a stable friction coefficient, little abrasion and long service life.
Description
Technical field
The present invention relates to a kind of railway locomotive powder metallurgy brake block, belong to the powder metallurgy friction material field.
Background technique
Friction material is one of indispensable material in break, clutch and the friction gearing of various machinery, is to utilize friction to make the kinetic energy of moving object be converted into heat energy, thereby object is slowed down or a kind of multi-element composite material of stop motion.Since the vehicle invention, just begun Study on Friction Materials.Over nearly 20 years, flourish along with transport undertaking, the friction material development is particularly swift and violent, many new-type friction material occurred, and has been widely used on all kinds of engineering machinery and the transport facility.The trend of 21 century development in science and technology is high speed, environmental protection and energy-conservation, for adapting to the needs of this new situations development, must propose higher requirement to the combination property of friction material.
Friction material can be divided into two big types of non-metal base and metal base, and traditional non-metal base friction material mainly is an asbestos friction material, because of it causes environmental pollution and high-temperature stability bad, is replaced by carbon/carbon compound material in the last few years gradually.The metal base friction material is divided into elemental metals and powder metallurgy friction material, and the former mainly is meant steel, cast iron, bronze etc., and powder metallurgy friction material then mainly is meant iron-based, copper base and iron copper base friction material.The elemental metals friction material is replaced by other material owing to be prone to shortcomings such as friction factor is low under bonding and the high temperature and high speed; Powder metallurgy friction material has special flexibility and popularity aspect material mixture ratio; And under high speed, high-load condition, show good friction and wear behavior, so its application area is extensive than other material.
Along with fast development of national economy, the railway passenger and freight transport volume increases sharply, and the speed up of railway transport has become inevitable development trend.Railway transport developed countries such as day early 1990s, method, moral have just opened the above bullet train of speed per hour 300km; And China has just opened the quasi high speed train of speed per hour 160km during " eight or five "; The enforcement period of the ninth five-year plan has been developed the bullet train that speed per hour reaches 200km, has begun to carry out speed per hour at present and has reached the research of 350km bullet train and establish work.Along with the continuous speed-raising of passenger train and going into operation of high speed passenger dedicated railway, the speed-raising of lorry also launches gradually.The train speed up is had higher requirement to brake friction material; Developed country to the development of train braking friction material experienced cast iron, synthetic brake lining/watt, iron-based and copper base sintering brake lining/watt stage, wherein technology is the most ripe, most widely used be the powder metallurgy brake pad/watt.
The powder metallurgy braking material is claimed the sintering metal braking material again, is to be matrix with metal and alloy thereof, adds friction constituent element and lubricant component, the composite material of processing with powder metallurgy process.The powder metallurgy braking material has enough intensity, suitable and stable friction factor, and stable working is reliable, and is wear-resisting and pollute advantages such as few, is to use one of material more widely in the modern braking material family.
Adopt means of a powder metallurgy technique to produce brake shoe and brake lining, not only on performance quality, have outstanding advantage, in the variation of the design of component, product, also have flexibility.Adopt means of a powder metallurgy technique can change the component of material arbitrarily, can avoid the casting defects such as dendritic segregation and grain growth of loose, shrinkage cavity, material structure in the conventional fabrication processes, help to improve each item mechanical property of part.Prepare the train braking brake shoe and brake lining has been obtained very big success with means of a powder metallurgy technique, having formed powder metallurgy iron-based, copper base, iron/copper base is the powder metallurgy friction material system of main body.Relation between the composition of material, technology etc. and the performance has been carried out a lot of researchs, and these researchs make the production technology of powder metallurgy friction material and product performance improve constantly.
The locomotive powder metallurgy brake block not only has good braking ability, and the braking antithesis is not produced heel and toe wear and damage, and the adhesion between wheel, rail is not produced injurious effects, and is free from environmental pollution.In Chinese patent ZL97215240.7, ZL200610051247.1, ZL200820107750.9 in the disclosed powder metallurgy brake block, all be earlier with powder frictional material pressure sintering on steel backing, again with its riveted joint or be welded on big watt of back.The linkage structure intensity of riveted joint is low, poor stability, and when particularly on the vehicle of adjustment operation, frequently using, riveted structure is deviate from easily, and security incident takes place.Though and adopt welded structure can overcome the deficiency of riveted structure, but still have the complicated and high shortcoming of cost of manufacturing process.
Summary of the invention
The present invention provides a kind of railway locomotive powder metallurgy brake block, is used to overcome above deficiency.
Railway locomotive powder metallurgy brake block of the present invention, said brake shoe comprise watt back of the body and a friction material block, and said watt of knapsack drawn together watt nose and locating slot; Said friction material block is processed through powder metallurgical technique, and said friction material block is characterized in that the weight percent of said friction material block consists of: graphite 12-14% at pressure sintering stage of powder metallurgical technique and said watt of back of the body direct sintering together; Copper 3-5%, manganese 1-3%, chromium 1-3%; Nickel 1-3%, aluminium 1-2%, molybdenum disulfide 2-5%; Mullite 2-5%, molybdenum trioxide 2-4%, all the other are iron.
Brake shoe of the present invention has simple in structure, and manufacturing process flow is short, advantage of low manufacturing cost, and powder metallurgy brake block stable friction factor of the present invention, and it is little to wear and tear, long service life.
Description of drawings
Fig. 1 is a powder metallurgy brake block structure of the present invention.
Embodiment
The present invention is described with reference to the accompanying drawings.
Fig. 1 is a powder metallurgy brake block structural representation of the present invention.Powder metallurgy brake block of the present invention comprises watt a back of the body 1 and friction material block 5.
The of the present invention watt of back of the body 1 comprises watt nose 2, locating slot 3 and steel backing 4.Watt nose 2, locating slot 3 and steel backing 4 independent impact briquettings respectively are welded together to form a watt back of the body 1 then.
Brake shoe of the present invention has simple in structure, and manufacturing process flow is short, advantage of low manufacturing cost, and powder metallurgy brake block stable friction factor of the present invention, and it is little to wear and tear, long service life.
Use low carbon steel plate with watt nose 2, locating slot 3 and steel backing 4 independent impact briquettings respectively, be welded together to form a watt back of the body 1 then.
Use low carbon steel plate with watt nose 2, locating slot 3 and steel backing 4 independent impact briquettings respectively, be welded together to form a watt back of the body 1 then.
Use low carbon steel plate with watt nose 2, locating slot 3 and steel backing 4 independent impact briquettings respectively, be welded together to form a watt back of the body 1 then.
Claims (1)
1. railway locomotive powder metallurgy brake block, said brake shoe comprise watt back of the body and a friction material block, and said watt of knapsack drawn together watt nose and locating slot; Said friction material block is processed through powder metallurgical technique, and said friction material block is characterized in that the weight percent of said friction material block consists of: graphite 12-14% at pressure sintering stage of powder metallurgical technique and said watt of back of the body direct sintering together; Copper 3-5%, manganese 1-3%, chromium 1-3%; Nickel 1-3%, aluminium 1-2%, molybdenum disulfide 2-5%; Mullite 2-5%, molybdenum trioxide 2-4%, all the other are iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010278275.3A CN102401051B (en) | 2010-09-10 | 2010-09-10 | Powder metallurgical brake shoe for railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010278275.3A CN102401051B (en) | 2010-09-10 | 2010-09-10 | Powder metallurgical brake shoe for railway locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102401051A true CN102401051A (en) | 2012-04-04 |
| CN102401051B CN102401051B (en) | 2014-12-03 |
Family
ID=45883567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010278275.3A Active CN102401051B (en) | 2010-09-10 | 2010-09-10 | Powder metallurgical brake shoe for railway locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102401051B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486172A (en) * | 2013-10-15 | 2014-01-01 | 句容市睿远科技有限公司 | Friction piece material for high-speed rail train brake shoes and preparation method thereof |
| CN105987103A (en) * | 2015-02-10 | 2016-10-05 | 苏州东南电碳科技有限公司 | Powder metallurgy brake shoe for electric locomotive |
| CN108506391A (en) * | 2018-05-04 | 2018-09-07 | 刘育锋 | Powder metallurgy brake shoe for locomotive engine |
| CN112539234A (en) * | 2019-09-20 | 2021-03-23 | 科弗伦有限公司 | Disc/brake friction torque for railway vehicles |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032195A (en) * | 1987-09-19 | 1989-04-05 | 北京摩擦材料厂 | A kind of friction plate and manufacture method thereof |
| JPH05179232A (en) * | 1991-12-26 | 1993-07-20 | Toshiba Tungaloy Co Ltd | Sintered metallic friction material for brake |
| CN1896171A (en) * | 2006-04-05 | 2007-01-17 | 中国科学院金属研究所 | Bi-continuous-phase composite friction material of foaming silicon carbide/metal, its member and preparation |
| CN101284311A (en) * | 2008-04-16 | 2008-10-15 | 杭州余杭钱潮摩擦材料有限公司 | Sintered copper alloy brake-holder block and preparation method |
| CN101314708A (en) * | 2007-05-29 | 2008-12-03 | 北京北摩高科摩擦材料有限责任公司 | Iron-based powder metallurgy friction material |
| CN101382173A (en) * | 2008-08-28 | 2009-03-11 | 向兴碧 | High speed disc type brake pad pottery friction body and method for producing same |
| CN101571173A (en) * | 2009-06-16 | 2009-11-04 | 博深工具股份有限公司 | Brake block for high-speed train and preparation method thereof |
| CN101644304A (en) * | 2009-09-04 | 2010-02-10 | 大连交通大学 | Metal base firing brake block with double-layer structure and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5179232B2 (en) * | 2008-03-21 | 2013-04-10 | 株式会社マキタ | Tabletop cutting machine |
-
2010
- 2010-09-10 CN CN201010278275.3A patent/CN102401051B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032195A (en) * | 1987-09-19 | 1989-04-05 | 北京摩擦材料厂 | A kind of friction plate and manufacture method thereof |
| JPH05179232A (en) * | 1991-12-26 | 1993-07-20 | Toshiba Tungaloy Co Ltd | Sintered metallic friction material for brake |
| CN1896171A (en) * | 2006-04-05 | 2007-01-17 | 中国科学院金属研究所 | Bi-continuous-phase composite friction material of foaming silicon carbide/metal, its member and preparation |
| CN101314708A (en) * | 2007-05-29 | 2008-12-03 | 北京北摩高科摩擦材料有限责任公司 | Iron-based powder metallurgy friction material |
| CN101284311A (en) * | 2008-04-16 | 2008-10-15 | 杭州余杭钱潮摩擦材料有限公司 | Sintered copper alloy brake-holder block and preparation method |
| CN101382173A (en) * | 2008-08-28 | 2009-03-11 | 向兴碧 | High speed disc type brake pad pottery friction body and method for producing same |
| CN101571173A (en) * | 2009-06-16 | 2009-11-04 | 博深工具股份有限公司 | Brake block for high-speed train and preparation method thereof |
| CN101644304A (en) * | 2009-09-04 | 2010-02-10 | 大连交通大学 | Metal base firing brake block with double-layer structure and manufacturing method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486172A (en) * | 2013-10-15 | 2014-01-01 | 句容市睿远科技有限公司 | Friction piece material for high-speed rail train brake shoes and preparation method thereof |
| CN103486172B (en) * | 2013-10-15 | 2015-10-28 | 句容市睿远科技有限公司 | A kind of high ferro train brake shoe friction piece material and preparation method thereof |
| CN105987103A (en) * | 2015-02-10 | 2016-10-05 | 苏州东南电碳科技有限公司 | Powder metallurgy brake shoe for electric locomotive |
| CN105987103B (en) * | 2015-02-10 | 2019-04-26 | 苏州东南佳新材料股份有限公司 | A kind of use for electric locomotive powder metallurgy brake block |
| CN108506391A (en) * | 2018-05-04 | 2018-09-07 | 刘育锋 | Powder metallurgy brake shoe for locomotive engine |
| CN112539234A (en) * | 2019-09-20 | 2021-03-23 | 科弗伦有限公司 | Disc/brake friction torque for railway vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102401051B (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102191014B (en) | Friction material used for braking of high-speed train | |
| CN102560183A (en) | Friction material of brake sheet for rail transit vehicle brake system, and preparation method and application of friction material | |
| CN101666364B (en) | Copper-base powder metallurgy clutch friction body | |
| US20210207670A1 (en) | Brake disc and manufacturing method thereof | |
| CN103602849B (en) | A kind of copper base alloy material for sliding bearing and preparation method thereof | |
| CN102011043A (en) | Preparation method of powder metallurgy material for train brake pad | |
| CN102401051B (en) | Powder metallurgical brake shoe for railway locomotive | |
| CN102002622A (en) | Method for preparing brake Fe-Cu-Al-SiC composite friction material | |
| CN105618766A (en) | Powder metallurgy brake lining friction block for high-speed train and preparation method thereof | |
| CN101724379A (en) | Brake graphite-Cu-Fe-Al-based high-temperature self-lubricating composite friction material and preparation method thereof | |
| CN103115097A (en) | Friction block of brake block of high speed train and preparation method thereof | |
| CN100569974C (en) | A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material | |
| CN109139755B (en) | Preparation method of iron-copper-based composite friction material | |
| CN106979267A (en) | A kind of high-speed train powder metallurgy brake pad brake pad and preparation method | |
| CN107012358A (en) | A kind of brake pad powder metallurgy friction material and preparation technology | |
| CN100567761C (en) | Freight car compartment powder metallurgy brake block | |
| CN106238722B (en) | A kind of brake pad with great friction coefficient and preparation method thereof | |
| CN105798311A (en) | Preparation method of high-heat-conduction iron-based powder metallurgy high-speed train brake pad | |
| CN103540868A (en) | Powder metallurgy clutch friction piece and preparation method thereof | |
| CN109513914B (en) | Powder metallurgy friction material, powder metallurgy brake pad and preparation method thereof | |
| CN108916277B (en) | Preparation method of copper-based brake pad friction material | |
| CN112059170B (en) | High-performance powder metallurgy brake pad and preparation method thereof | |
| CN201779183U (en) | Powder metallurgy brake lining with transition layer | |
| CN207213000U (en) | A kind of high-speed train powder metallurgy brake pad brake pad | |
| CN201166075Y (en) | Powder metallurgical brake shoe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING TIANYI SHANGJIA NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: WU PEIFANG Effective date: 20121010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102206 HAIDIAN, BEIJING TO: 100094 HAIDIAN, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20121010 Address after: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters Applicant after: Beijing Tianyishangjia New Materials Co., Ltd. Address before: 102206 Beijing city Haidian District town Yongtai Village No. 198 Applicant before: Wu Peifang |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters Patentee after: Beijing Tianyi good new materials Limited by Share Ltd Address before: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters Patentee before: Beijing Tianyishangjia New Materials Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee after: Beijing Tianyi good high-tech materials Limited by Share Ltd Address before: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee before: Beijing Tianyi good new materials Limited by Share Ltd |