CN101900176B - Novel mosaic composition brake shoe and manufacturing method thereof - Google Patents
Novel mosaic composition brake shoe and manufacturing method thereof Download PDFInfo
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- CN101900176B CN101900176B CN2010102250164A CN201010225016A CN101900176B CN 101900176 B CN101900176 B CN 101900176B CN 2010102250164 A CN2010102250164 A CN 2010102250164A CN 201010225016 A CN201010225016 A CN 201010225016A CN 101900176 B CN101900176 B CN 101900176B
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- 239000000203 mixture Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 88
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 83
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000002783 friction material Substances 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 229920002521 macromolecule Polymers 0.000 claims description 31
- 230000000295 complement effect Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 241000357293 Leptobrama muelleri Species 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
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- 239000010433 feldspar Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
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- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
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Abstract
The embodiment of the invention provides a novel mosaic composition brake shoe and a manufacturing method thereof. In the method, the novel composition brake shoe is formed by combining a high molecular composite friction material and cast iron inserts; and the method particularly comprises the following steps of: welding the cast iron inserts with hardness and friction coefficient matched with those of the high molecular composite friction material at the two ends of a steel back; pressing the high molecular composite friction material and the cast iron inserts into a whole by cold press molding to form a friction surface of the novel composition brake shoe; and curing the novel composition brake shoe formed by the cold press molding, and polishing the inner cambered surface of a friction body to obtain the novel composition brake shoe with the iron cast inserts. Thus the heat conductivity of the composition brake shoe can be obviously improved and the heat fade of the composition brake shoe can be reduced so as to ensure that the composition brake shoe has stable friction performance during the braking.
Description
Technical field
The present invention relates to train and use the brake shoe field, relate in particular to a kind of novel mosaic composition brake shoe and preparation method thereof.
Background technique
At present; Railway is the important foundation facility of country, the main artery and the popular traffic tool of national economy; Repeatedly speed raising along with railway; Railway freight-car develops to the direction of high speed, heavy duty, and under the situation that guarantees emergency stopping distance, increase, the raising of speed and the increase of trailing weight that axle is heavy are all had higher requirement to braking device and brake material.Wherein, Brake shoe provides frictional force during as train braking, carries out the main parts size of transformation of energy, and requirement should have higher mechanical strength, good heat resistance and thermal conductivity, stable frictional behaviour, lower wearing and tearing and reduce abrasion and the fire damage to wheel.
Employed brake shoe material is broadly divided into three types of cast iron brake shoe, composite brake shoe and powder metallurgy brake blocks in the existing technology.Shortcomings such as but the cast iron brake shoe friction factor is low, Applicable scope is little, and braking force is big, and noise is big, and watt body is heavy, the big life-span of abrasion is short, incompatibility railway high speed, heavily loaded growth requirement.For overcome cast iron brake shoe intrinsic performance deficiency; A lot of countries have all begun the research work of composite brake shoe after the forties in last century; Compare with cast iron brake shoe, composite brake shoe has that adjustable, the required braking force of friction factor is little, no-spark, quality little (be merely cast iron brake shoe 1/3), little life-span of abrasion advantages such as long (are generally cast iron brake shoe 5～8 times).But the body material poor heat resistance of composite brake shoe in the existing technology; The heat fade phenomenon is arranged; Even more serious is that heat-conducting property is poor; Will cause the Organizational Structure of wheel material to change like this, can make when serious phenomenons such as wheel tread generation hot crack, heat crack, hot soarfing leave has influenced the use of brake shoe.
Summary of the invention
The embodiment of the invention provides a kind of novel mosaic composition brake shoe and preparation method thereof, can significantly improve the heat-conducting property of composite brake shoe, reduces the heat fade of composite brake shoe, has stable frictional behaviour when guaranteeing the composite brake shoe braking; In braking process, can effectively conduct the frictional heat that wheel tread and brake shoe friction piece produce in braking process simultaneously, reduce fire damage, prevent that wheel heat crackle, heat crack, hot soarfing are from producing wheel.
The embodiment of the invention provides a kind of making method of novel mosaic composition brake shoe, and macromolecule composite friction material and cast iron are inserted to combine, and forms said novel composite brake shoe, specifically comprises:
The cast iron that hardness, frictional behaviour and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing; Said cast iron is inserted to divide according to weight and is comprised 1.5%～3.0% carbon; The side that wherein said cast iron is inserted has dovetail groove, and is wedge shape with said cast iron insert design; The width that said cast iron is inserted is less than the width of said steel backing, and wherein an end aligns with steel backing, and the other end leaves the space of about 10mm, and said cast iron is inserted on said steel backing evenly distribute, and guarantees that said cast iron is inserted all to contact with whole metal tread;
Through cold moudling said macromolecule composite friction material and said cast iron being inserted is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe;
Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
Said macromolecule composite friction material forms through the banburying granulation according to the each component of following weight ratio, and the each component of said weight ratio is:
5～7% resol, 8～12% nitrile butadiene rubbers, 15～25% Steel Fibres, 6～12% magnesia, 5～8% petroleum cokes, 20～35% mineral fibre, 2～5% graphite, 0.1～0.4% hexamethylenetetramine, 0.1～0.5% sulphur, 0.05～0.1% tetramethylthiuram disulfide, 0.5～2% carbon black and 1～1.5% potassic feldspar.
The process of said banburying granulation specifically comprises:
In the each component input kneading type banbury with said weight ratio, through banburying heating 3～5 minutes, and cleaning, banburying were regulated 3～5 minutes; Wherein, in said banburying processing procedure, temperature is controlled at 80～120 ℃, pressure control at 5～7Mpa;
Get rid of mixture, and after breaking process, obtaining said macromolecule composite friction material.
Said cast iron is inserted and is divided by weight, and main component comprises:
1.5～3.0% carbon C; 1.2～2.7% silicon Si; 6.0～7.0% manganese Mn; ≤0.08 beryllium P; ≤0.02% sulphur S; ≤0.09% magnesium Mg.
The process of said cold moudling specifically comprises:
Said solidification technical process specifically comprises:
The novel composite brake shoe of cold moudling is incubated 1 hour in 100 ℃ of baking ovens; Be warming up to 170 ℃ of insulations 4 hours then, be warming up to 180 ℃ of insulations 15 hours again, and after insulation finishes, open said baking oven; Keep blower normally to move, through below the air cooling to 80 ℃.
The present invention also provides a kind of novel mosaic composition brake shoe, comprises that macromolecule composite friction material and cast iron inserts, wherein:
The cast iron that hardness, friction factor and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing, and said cast iron is inserted to divide according to weight and comprised 1.5%～3.0% carbon; The side that wherein said cast iron is inserted has dovetail groove, and said cast iron insert design wedgewise; The width that said cast iron is inserted is less than the width of said steel backing, and wherein an end aligns with steel backing, and the other end leaves the space of about 10mm, and said cast iron is inserted on said steel backing evenly distribute, and guarantees that said cast iron is inserted all to contact with whole metal tread;
Said macromolecule composite friction material is inserted through cold moudling and said cast iron and is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe;
Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
Can find out by the above-mentioned technological scheme that provides; This method is inserted macromolecule composite friction material and cast iron and is combined; Form said novel composite brake shoe, specifically comprise: the cast iron that hardness, friction factor and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing; Through cold moudling said macromolecule composite friction material and said cast iron being inserted is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe; Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.Through the enforcement of technique scheme, just can significantly improve the heat-conducting property of composite brake shoe, reduce the heat fade of composite brake shoe, have stable frictional behaviour when guaranteeing the composite brake shoe braking; In braking process, can effectively conduct the frictional heat that wheel tread and brake shoe friction piece produce in braking process simultaneously, reduce fire damage, prevent the generation that wheel heat crackle, heat crack, hot soarfing leave wheel.
Description of drawings
Fig. 1 provides the schematic flow sheet of novel mosaic composition brake shoe making method for the embodiment of the invention;
Fig. 2 is cast iron that the embodiment of the invention the provides structural representation of side of inserting;
Fig. 3 inserts at the distribution schematic diagram of steel backing for cast iron that the embodiment of the invention provides;
Fig. 4 is the structural representation of novel mosaic composition brake shoe that the embodiment of the invention provides.
Embodiment
The embodiment of the invention provides a kind of novel mosaic composition brake shoe and preparation method thereof; To cast iron brake shoe and composite brake shoe pluses and minuses separately; Macromolecule composite friction material and cast iron inserted effectively combine; Integrate cast iron brake shoe and composite brake shoe advantage separately, improved the combination property of high friction composite brake shoe.This novel composite brake shoe can significantly improve the heat-conducting property of brake shoe, reduces the heat fade of composite brake shoe, has guaranteed frictional behaviour stable when composite brake shoe is braked; In braking process, can effectively conduct the frictional heat that wheel tread and brake shoe friction piece produce in braking process simultaneously, reduce fire damage, prevent the generation that wheel heat crackle, heat crack, hot soarfing leave wheel.This novel composite brake shoe in braking process, the foreign matter that effectively is mingled with between sweeper wheel tread and brake shoe, removing possibly produce the metal filings of damascene, effectively suppresses the damascene phenomenon of composite brake shoe.
For better describing the embodiment of the invention, combine the accompanying drawing specific embodiments of the invention to describe at present, be illustrated in figure 1 as the making method schematic flow sheet of novel mosaic composition brake shoe that the embodiment of the invention provides, said method comprises:
Step 11: the cast iron that hardness, friction factor and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing.
In this step, the cast iron that at first hardness, frictional behaviour and macromolecule composite friction material is complementary is inserted and is welded on the two ends of steel backing, and described here being complementary refers to frictional behaviour and heat-conducting property is complementary.Wherein, this macromolecule composite friction material can form according to the each component of the following weight ratio technology mode through the banburying granulation, and the each component of said weight ratio includes:
5～7% resol, 8～12% nitrile butadiene rubber, 15～25% Steel Fibre, 6～12% magnesia, 5～8% petroleum coke, 20～35% mineral fibre, 2～5% graphite, 0.1～0.4% hexamethylenetetramine, 0.1～0.5% sulphur, 0.05～0.1% tetramethylthiuram disulfide TMTD, 0.5～2% carbon black and 1～1.5% potassic feldspar.
The manufacturing process of above-mentioned banburying granulation specifically comprises:
In the each component input kneading type banbury with said weight ratio, through banburying heating 3～5 minutes, and cleaning, banburying were regulated 3～5 minutes; Wherein, in said banburying processing procedure, temperature is controlled at 80～120 ℃, pressure control at 5～7Mpa; Get rid of mixture, and after breaking process, obtaining said macromolecule composite friction material.
In addition, above-mentioned cast iron is inserted and is divided according to weight, and its main component comprises:
1.5～3.0% carbon C; 1.2～2.7% silicon Si; 6.0～7.0% manganese Mn; ≤0.08 beryllium P; ≤0.02% sulphur S; ≤0.09% magnesium Mg.
In concrete implementation procedure; The described cast iron side of inserting has dovetail groove; Can increase macromolecule composite friction material and the cast iron cohesiveencess between inserting; The cast iron that being illustrated in figure 2 as the embodiment of the invention the provides structural representation of side of inserting: with the cast iron insert design is wedge shape, helps the compacting material; In order to guarantee the flowability of material in the pressing process, can design cast iron and insert width less than the steel backing width, an end aligns with steel backing, and another side leaves about 10mm space.
In addition; Can also further optimize the layout that cast iron inserts at steel backing makes it be distribution straggly; The cast iron that being illustrated in figure 3 as the embodiment of the invention provides is inserted at the distribution schematic diagram of steel backing; Fig. 3 medium cast iron is inserted and is fixed under the brake shoe steel backing, just can guarantee through such distribution that cast iron is inserted and all contact with whole metal tread.
Step 12: through cold moudling macromolecule composite friction material and said cast iron being inserted is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe.
In this step, the manufacturing process of cold moudling is specially: will be welded with the steel backing (as shown in Figure 3) that said cast iron inserts and the brake shoe mould of said macromolecule composite friction material and on hydraulic press, pressurize, and pressurize more than 120 seconds with moulding, discharging again.
Step 13: the novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
In this step; Solidification technical process is specially: the brake shoe of cold moudling is incubated 1 hour in 100 ℃ of baking ovens; Be warming up to 170 ℃ of insulations 4 hours then, be warming up to 180 ℃ of insulations 15 hours again, and after insulation finishes, open said baking oven; Keep blower normally to move, after below the air cooling to 80 ℃, come out of the stove again.
Through the novel composite brake shoe that technique scheme is made, can significantly improve the heat-conducting property of composite brake shoe, reduce the heat fade of composite brake shoe, have stable frictional behaviour when guaranteeing the composite brake shoe braking; In braking process, can effectively conduct the frictional heat that wheel tread and brake shoe friction piece produce in braking process simultaneously, reduce fire damage, prevent that wheel heat crackle, heat crack, hot soarfing are from producing wheel.
Simultaneously, the embodiment of the invention also provides a kind of novel composite brake shoe, is illustrated in figure 4 as the structural representation of novel composite brake shoe that present embodiment provides; Said novel composite brake shoe comprises: steel backing 1; Cast iron inserts 2, and macromolecule composite friction material 3, wherein:
The cast iron that hardness, frictional behaviour and said macromolecule composite friction material 3 are complementary insert 2 be welded on steel backing 1 two ends;
Said macromolecule composite friction material 3 is inserted through cold moudling and said cast iron and 2 is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe;
Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
In addition, insert 2 side of said cast iron has dovetail groove, and said cast iron is inserted and 2 is designed to wedge shape, concrete structure as shown in Figure 2;
Said cast iron is inserted 2 width less than the width of said steel backing, and wherein an end aligns with steel backing, and the other end leaves the space of about 10mm, and said cast iron is inserted 1 on said steel backing, evenly distribute, and guarantees that said cast iron is inserted 1 all to contact with whole metal tread.
In sum, the embodiment of the invention can significantly improve the heat-conducting property of composite brake shoe, reduces the heat fade of composite brake shoe, has stable frictional behaviour when guaranteeing the composite brake shoe braking; In braking process, can effectively conduct the frictional heat that wheel tread and brake shoe friction piece produce in braking process simultaneously, reduce fire damage, prevent that wheel heat crackle, heat crack, hot soarfing are from producing wheel.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. the making method of a novel mosaic composition brake shoe is characterized in that, macromolecule composite friction material and cast iron are inserted to combine, and forms said novel composite brake shoe, specifically comprises:
The cast iron that hardness, frictional behaviour and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing; Said cast iron is inserted to divide according to weight and is comprised 1.5% ~ 3.0% carbon; The side that wherein said cast iron is inserted has dovetail groove, and is wedge shape with said cast iron insert design; The width that said cast iron is inserted is less than the width of said steel backing, and wherein an end aligns with steel backing, and the other end leaves the space of about 10mm, and said cast iron is inserted on said steel backing evenly distribute, and guarantees that said cast iron is inserted all to contact with whole metal tread;
Through cold moudling said macromolecule composite friction material and said cast iron being inserted is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe;
Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
2. the method for claim 1 is characterized in that, said macromolecule composite friction material forms through the banburying granulation, and the process of said banburying granulation specifically comprises:
In the each component input kneading type banbury with said macromolecule composite friction material, through banburying heating 3 ~ 5 minutes, and cleaning, banburying were regulated 3 ~ 5 minutes; Wherein, in above-mentioned banburying processing procedure, temperature is controlled at 80 ~ 120 ℃, pressure control at 5 ~ 7Mpa;
Get rid of mixture, and after breaking process, obtaining said macromolecule composite friction material.
3. the method for claim 1 is characterized in that, said solidification technical process specifically comprises:
The novel composite brake shoe of cold moudling is incubated 1 hour in 100 ℃ of baking ovens; Be warming up to 170 ℃ of insulations 4 hours then, be warming up to 180 ℃ of insulations 15 hours again, and after insulation finishes, open said baking oven; Keep blower normally to move, through below the air cooling to 80 ℃.
4. a novel mosaic composition brake shoe is characterized in that, comprises that macromolecule composite friction material and cast iron inserts, wherein:
The cast iron that hardness, friction factor and said macromolecule composite friction material are complementary is inserted and is welded on the two ends of steel backing, and said cast iron is inserted to divide according to weight and comprised 1.5% ~ 3.0% carbon; The side that wherein said cast iron is inserted has dovetail groove, and said cast iron insert design wedgewise; The width that said cast iron is inserted is less than the width of said steel backing, and wherein an end aligns with steel backing, and the other end leaves the space of about 10mm, and said cast iron is inserted on said steel backing evenly distribute, and guarantees that said cast iron is inserted all to contact with whole metal tread;
Said macromolecule composite friction material is inserted through cold moudling and said cast iron and is pressed into integral body, constitutes the rubbing surface of novel composite brake shoe;
Novel composite brake shoe to cold moudling is cured, and to the friction piece intrados polish handle after, obtain to have the said novel composite brake shoe that cast iron is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102250164A CN101900176B (en) | 2010-07-02 | 2010-07-02 | Novel mosaic composition brake shoe and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102250164A CN101900176B (en) | 2010-07-02 | 2010-07-02 | Novel mosaic composition brake shoe and manufacturing method thereof |
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| CN101900176A CN101900176A (en) | 2010-12-01 |
| CN101900176B true CN101900176B (en) | 2012-09-26 |
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| CN2010102250164A Expired - Fee Related CN101900176B (en) | 2010-07-02 | 2010-07-02 | Novel mosaic composition brake shoe and manufacturing method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267077A (en) * | 2013-05-28 | 2013-08-28 | 北京瑞斯福科技有限公司 | Inlay type composition brake shoe |
| CN103953668A (en) * | 2014-05-23 | 2014-07-30 | 北京瑞斯福高新科技股份有限公司 | High friction composite brake shoe with cast iron insert |
| CN104086841B (en) * | 2014-06-17 | 2016-08-24 | 惠州市沃特新材料有限公司 | Automobile brake sheet, the material preparing automobile brake sheet and material preparation method |
| CN106763329A (en) * | 2016-11-30 | 2017-05-31 | 北京天宜上佳新材料股份有限公司 | The processing method of automobile brake sheet and automobile brake sheet |
| CN113924427A (en) * | 2019-06-11 | 2022-01-11 | Rfpc控股公司 | Friction device with reduced volume |
| CN111677790A (en) * | 2020-06-18 | 2020-09-18 | 沈阳远程摩擦密封材料有限公司 | Power-concentrated motor car combined brake pad for 160KMh |
| HUP2200172A1 (en) * | 2022-05-23 | 2023-11-28 | Rona Tamas Kft | Composite plastic brake shoe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284461A (en) * | 1999-08-06 | 2001-02-21 | 西屋气刹车公司 | Brake-shoe with insert element combined with bottom plate |
| CN1286189A (en) * | 1999-08-27 | 2001-03-07 | 西屋气刹车公司 | Brake shoe capable of improving tread |
| DE102007044744A1 (en) * | 2007-09-18 | 2009-04-09 | Becorit Gmbh | Brake pad for rail vehicles |
-
2010
- 2010-07-02 CN CN2010102250164A patent/CN101900176B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284461A (en) * | 1999-08-06 | 2001-02-21 | 西屋气刹车公司 | Brake-shoe with insert element combined with bottom plate |
| CN1286189A (en) * | 1999-08-27 | 2001-03-07 | 西屋气刹车公司 | Brake shoe capable of improving tread |
| DE102007044744A1 (en) * | 2007-09-18 | 2009-04-09 | Becorit Gmbh | Brake pad for rail vehicles |
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| Publication number | Publication date |
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| CN101900176A (en) | 2010-12-01 |
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