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CN102705405A - Floatation type brake pad for high speed train - Google Patents

Floatation type brake pad for high speed train Download PDF

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Publication number
CN102705405A
CN102705405A CN2012101373448A CN201210137344A CN102705405A CN 102705405 A CN102705405 A CN 102705405A CN 2012101373448 A CN2012101373448 A CN 2012101373448A CN 201210137344 A CN201210137344 A CN 201210137344A CN 102705405 A CN102705405 A CN 102705405A
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CN
China
Prior art keywords
friction
friction block
backboard
elastic support
brake pad
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.)
Pending
Application number
CN2012101373448A
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Chinese (zh)
Inventor
吴佩芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Tianyishangjia New Material Co Ltd
Original Assignee
Beijing Tianyishangjia New Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Tianyishangjia New Material Co Ltd filed Critical Beijing Tianyishangjia New Material Co Ltd
Priority to CN2012101373448A priority Critical patent/CN102705405A/en
Publication of CN102705405A publication Critical patent/CN102705405A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a floatation type brake pad for a high speed train.. The floatation type brake pad is characterized by comprising a pad rear panel, a dovetail board, friction block bodies, an elastic supporting sheet and a round spring clip; the pad rear panel is in an arc half-sole structure; the elastic supporting sheet is provided with a spherical supporting surface and a center guide hole; the frication block is provided with a spherical supporting surface and a guide connection shaft with a clamping groove; the elastic supporting sheet, the round spring clip and the friction block bodies are in elastic floatation connection with the pad rear panel; the spherical supporting surface of the elastic supporting sheet and the spherical supporting surface at the root of a connection shaft of each friction block body are rotary, so that the balance of a braking force is realized; the three single-arc quadrilateral friction bodies in one group are mutually engaged and locked; and friction bodies of four cylindrical grinding column bodies are mutually engaged and locked in pairs. With the adoption of the floatation type brake pad provided by the invention, a maximum contact friction area can be obtained, so that a braking process is stable, and the functions of damping, vibration attenuation, noise reduction, heat radiation and the like can be achieved. The friction blocks are easy to replace; the operation cost is low; and the floatation type brake pad can be widely used for a braking system of the high speed train.

Description

A kind of bullet train is used floating type brake pad
Technical field
The present invention relates to a kind of disc brake that is applied to bullet train, particularly use floating type brake pad about a kind of bullet train.
Background technique
Along with the raising of train running speed, require disc brake in order to ensure train braking performance truck brake rigging device according to its 26S Proteasome Structure and Function, change heat energy into based on brake pad and brake disc friction consumption train momentum, train braking is stopped.
For bullet train; Because braking energy is relatively large; During braking for the critical component brake pad of disc brake: not only require the friction block of brake lining wear-resisting, high temperature resistant, low noise, and require should have good heat-conductive characteristic and load equalization performance etc. between friction block and its mounted component.
At present, in the bullet train disk braking system, brake lining such as accompanying drawing 1, shown in Figure 2 during existing braking; Because the brake lining brake pad is that rivet welding is connected with steel backing and dovetail, can not relatively rotate between brake pad and steel backing and can not float, the retardation pressure that causes each brake pad to act on the brake disc is unbalanced; The brake disc vibration appears; Can't obtain maximum effectively friction area, heat load is big when causing death braking, and brake lining reduces working life.
Therefore, a series of problems that research and development avoid above-mentioned braking device deficiency to cause provide the brake pad that satisfies the high-speed train braking performance requirement just very necessary.
Summary of the invention
Based on above-mentioned technical background; The objective of the invention is: the maximum effectively contact friction area of realizing brake pad and brake disc through structural design; The friction block all carries with realizing braking force being connected of assembly; Can satisfy and improve the train braking performance thereby provide a kind of, guarantee the floating type train brake lining of the replaceable brake pad of security of operation.
For realizing above-mentioned purpose; The present invention adopts following technological scheme: a kind of bullet train is used floating type brake pad, it is characterized in that: it comprises a shoe brake sheet backboard, coattail board, the friction of some brake linings block, plurality of elastic support plate and some coil component spring clamps;
Said brake lining backboard is arc half footwear sole construction, is provided with the flat hole of coil component spring clamp ream of the flat hole of support ream of a plurality of installation elastic support sheets, a plurality of installation coil component spring clamps and puts down the guide-localization hole of the concentric installation friction block coupling shaft in hole, the rivet welding hole of a plurality of installation dovetails with above-mentioned two reams; Said elastic support sheet is selected the impact briquetting of high-temperature alloy rustproof spring steel material for use; Elastic support sheet top is provided with spherical and realizes matching with the spherical of friction block coupling shaft root and make the brake lining brake pad body can the rotation of relative resilient support plate; Said elastic support sheet bottom is provided with fixed support ratchet adjusting elastic support sheet elasticity and locatees with the brake lining backboard, and said elastic support sheet middle part has the coupling shaft that the centre pilot hole is used to install brake lining friction block; Said brake lining friction block comprises friction block backboard, guiding coupling shaft and friction piece; Said friction block backboard root is provided with spherical and matches with elastic support sheet spherical; Said guiding coupling shaft be provided with spring card slot be used to install coil component spring clamp and spherical be used for friction block backboard root in spherical cooperate, said friction piece is 3 single arc quadrilateral cylinders and 4 cylinder chamfered edge cylinders; Said coil component spring clamp is provided with supporting leg and circular collar.
Said guiding coupling shaft is fitted on the interior spherical of said friction block backboard, and said friction piece and said friction block backboard are sintered into one with the guiding coupling shaft.
The fixed support number of pawls of said elastic support sheet is 4 but variable.
Said elastic support sheet and said coil component spring clamp have elasticity; Can make the said relatively brake lining backboard of said friction block in the Vertical direction flexible adjustment, realize that said elastic support sheet, said coil component spring clamp, said friction block are connected for floating with said brake lining backboard.
The spherical of said elastic support sheet spherical and said friction block coupling shaft root is rotatable, realizes that braking force is balanced.
3 of said single arc quadrilateral friction pieces are one group, utilize the polygonal limit of friction block to be meshing with each other, and realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.
Said 4 cylinder chamfered edge cylinder friction pieces are one group in twos, utilize the straight flange of friction block to be meshing with each other, and realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.
The present invention is owing to take above technological scheme, and it has the following advantages: 1, the present invention rubs block through elastic support sheet and brake pad backboard formation floating structure.2, the installing and locating hole location of elastic support sheet of the present invention through backboard elastic support sheet, friction block coupling shaft contacts with the backboard installation through holes and produces cross shear when having avoided braking; The vibration that brake lining was produced when the elasticity of elastic support sheet can absorb braking work, the noise that is produced when helping to reduce braking.3, the spherical owing to the elastic support sheet matches with the spherical of friction block coupling shaft root; Among braking process; But gradual braking pressure makes the fricting working surface of friction block farthest contact with brake disc, obtains maximum effectively contact friction area.4, the present invention rubs and is separated by the elastic support sheet between block and the backboard; Help dissipating the heat that friction block and brake disc contact friction are produced; Thereby avoided owing to the overheated brake disc that makes occurs turning blue and decrepitation, guaranteed the operating life of brake disc.5, the present invention's block that rubs is replaceable, and brake lining backboard, dovetail, elastic support sheet and coil component spring clamp are reusable, help having reduced cost.
Braking ability of the present invention is good, and application safety is reliable, can be widely used in the disc brake of braking system of bullet train.
Description of drawings
Fig. 1 is existing brake pad structural representation
Fig. 2 is that existing brake pad component connect schematic representation
Fig. 3 is a plan view of the present invention
Fig. 4 is a rear view of the present invention
Fig. 5 is the A-A sectional view of Fig. 3
Fig. 6 is single friction block floating structure sectional drawing
Fig. 7 is a brake lining back board structure schematic representation of the present invention
Fig. 8 is the A-A sectional view of Fig. 7
Fig. 9 is an elastic support chip architecture schematic representation of the present invention
Figure 10 is the A-A sectional view of Fig. 9
Figure 11 is a brake lining brake pad body structure schematic representation of the present invention
Figure 12 is the A-A sectional view of Figure 11
Figure 13 is a spring clamp structural representation of the present invention
Figure 14 is a dovetail structural representation of the present invention
Figure 15 is the A-A sectional view of Figure 14
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is carried out detailed description.
Shown in Fig. 3~6, the present invention includes a brake lining backboard 1, some brake linings friction block 2, plurality of elastic support plate 3, some spring clampes 4 and a dovetail 5.
Shown in Fig. 7~8; Brake lining backboard 1 arc footwear sole construction of the present invention; The employing steel material is made; Brake lining backboard 1 is provided with the flat hole 101 of the location and installation ream that is connected with elastic support sheet 3, and the installation ream that is connected with spring clamp 4 is put down hole 102, and brake lining is rubbed through hole 103 that the guiding coupling shaft of block 2 passes; Brake lining backboard 1 also is provided with the mounting hole 104 with dovetail 5 riveted joints.
Shown in Fig. 9~10; Elastic support sheet 3 of the present invention is selected the impact briquetting of high-temperature alloy rustproof spring steel material for use; Elastic support sheet 3 tops are provided with spherical 303 and are used to realize match with the spherical 212 of the block coupling shaft root that rubs brake lining brake pad body can be rotated by the relative resilient support plate; The bottom is provided with fixed support ratchet 301 adjusting elastic support sheet elasticity and locatees with the brake lining backboard, and the middle part has the guiding coupling shaft 22 that centre pilot hole 302 is used to install brake lining friction block.
Shown in Figure 11~12; Brake lining friction block 2 of the present invention is processed together with friction material, friction block backboard 21, guiding coupling shaft 22 sintering through vacuum pressed by copper based powder metallurgy material together; Friction block backboard 21 in the brake lining friction block 2 is by the steel plate impact briquetting, and friction block backboard root is provided with interior spherical 211 and outer spherical supporting surface 212; Guiding coupling shaft 22 is provided with spring card slot 221 and spherical 222; Friction piece 23 is divided into single arc quadrilateral 231 and two arc both sides shape 232.
Shown in figure 13, coil component spring clamp 4 of the present invention adopts spring steel to make, and is provided with a plurality of supporting legs 401 and circular collar 402.
Shown in figure 14, dovetail 5 of the present invention adopts steel material to be made, and is provided with a plurality of riveted holes 501 and muscle 502.
The present invention assembles as follows:
At first dovetail 5 and brake lining backboard 1 are passed through rivet together.Afterwards the bottom fixed support ratchet 301 on each elastic support sheet 3 is inserted corresponding location and installation hole 101 on the brake lining backboard 1 respectively; The rub guiding coupling shaft 22 of block 2 of brake lining is passed 103 on centre pilot hole 302 and the brake lining backboard 1 on the elastic support sheet 3 successively; Again coil component spring clamp 40 is put into brake lining backboard 1 opposite side mounting hole 102, and be installed in the spring card slot 221 of guiding coupling shaft 22.
Repeated several times is placed brake lining friction block 2 according to the setting type of Fig. 3 brake lining friction block 2, thereby some brake lining friction blocks 2, plurality of elastic support plate 3 and some coil component spring clamps 4 are assembled on the brake lining backboard 1.
After the installation of the present invention, install in the holder along the dovetail wing plate 502 insertion braking clamp brake linings of dovetail 5, the positioning device that passes through clamp backing portion then is with brake lining and braking clamp location.In braking device when work,, retardation pressure acts on the brake lining backboard, flexibly is delivered on the friction block through the plurality of elastic support plate, and some friction blocks brake disc of steadily fitting is implemented braking.Because contacting with friction block root sphere, the sphere of elastic support sheet make brake lining friction block can realize that the three-dimensional trace rotates; 3 of single arc quadrilateral friction pieces that rotate at horizontal plane three-dimensional trace are one group; Utilize the polygonal limit of friction block to be meshing with each other; Realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other; And 4 cylinder chamfered edge cylinder friction pieces are one group in twos, utilize the straight flange of friction block to be meshing with each other, and realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.Simultaneously because any block that rubs of the elasticity of elastic support sheet and coil component spring clamp can also be done freely in Vertical direction adjusts; So that the fricting working surface of friction block farthest contacts with brake disc; Dynamic free adjustment process so promptly occurs in the moment of braking beginning; Also among whole braking process, floating structure can make braking process obtain maximum effectively contact friction area.
Above-mentioned each embodiment only is used to explain the present invention, and wherein the structure of each parts, Placement etc. all can change to some extent, and every equivalents of on the basis of technological scheme of the present invention, carrying out and improvement all should not got rid of outside protection scope of the present invention.

Claims (7)

1. a bullet train is used floating type brake pad, it is characterized in that: it comprises a brake lining backboard, a coattail board, the friction of some brake linings block, plurality of elastic support plate and some coil component spring clamps;
Said brake lining backboard is arc half footwear sole construction, is provided with the flat hole of coil component spring clamp ream of the flat hole of support ream of a plurality of installation elastic support sheets, a plurality of installation coil component spring clamps and puts down the guide-localization hole of the concentric installation friction block coupling shaft in hole, the rivet welding hole of a plurality of installation coattail boards with above-mentioned two reams;
Said elastic support sheet is selected the impact briquetting of high-temperature alloy rustproof spring steel material for use; Elastic support sheet top is provided with spherical and realizes matching with the spherical of friction block coupling shaft root; Brake lining brake pad body can be rotated by the relative resilient support plate; Said elastic support sheet bottom is provided with fixed support ratchet adjusting elastic support sheet elasticity and locatees with the brake lining backboard, and said elastic support sheet middle part has the coupling shaft that the centre pilot hole is used to install brake lining friction block;
Said brake lining friction block comprises friction block backboard, guiding coupling shaft and friction piece; Said friction block backboard root is provided with spherical and matches with elastic support sheet spherical, said guiding coupling shaft be provided with spring card slot be used to install coil component spring clamp and spherical be used for friction block backboard root in spherical cooperate;
Said coil component spring clamp is provided with supporting leg and circular collar.
2. a kind of bullet train as claimed in claim 1 is used floating type brake pad; It is characterized in that: said guiding coupling shaft is fitted on the interior spherical of said friction block backboard, and said friction piece and said friction block backboard are sintered into one with the guiding coupling shaft.
3. a kind of bullet train as claimed in claim 1 is used floating type brake pad, it is characterized in that: said friction piece is 3 single arc quadrilateral cylinders and 4 cylinder chamfered edge cylinders.
4. a kind of bullet train as claimed in claim 1 is used floating type brake pad, it is characterized in that: the fixed support number of pawls of said elastic support sheet is 4 but variable.
5. use floating type brake pad like claim 1 and 2 described a kind of bullet trains; It is characterized in that: said elastic support sheet and said coil component spring clamp have elasticity; Can make the said relatively brake lining backboard of said friction block in the Vertical direction flexible adjustment, realize that said elastic support sheet, said coil component spring clamp, said friction block are connected for floating with said brake lining backboard.
6. use floating type brake pad like claim 1 and 3 described a kind of bullet trains; It is characterized in that: 3 of said single arc quadrilateral friction pieces are one group; Utilize the polygonal limit of friction block to be meshing with each other, realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.
7. use floating type brake pad like claim 1 and 3 described a kind of bullet trains; It is characterized in that: said 4 cylinder chamfered edge cylinder friction pieces are one group in twos; Utilize the straight flange of friction block to be meshing with each other, realize that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.
CN2012101373448A 2012-05-07 2012-05-07 Floatation type brake pad for high speed train Pending CN102705405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101373448A CN102705405A (en) 2012-05-07 2012-05-07 Floatation type brake pad for high speed train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101373448A CN102705405A (en) 2012-05-07 2012-05-07 Floatation type brake pad for high speed train

Publications (1)

Publication Number Publication Date
CN102705405A true CN102705405A (en) 2012-10-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101373448A Pending CN102705405A (en) 2012-05-07 2012-05-07 Floatation type brake pad for high speed train

Country Status (1)

Country Link
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103133579A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Floating type brake pad used in rainy and snowy weather
CN103133571A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Floating type brake pad for train
CN103486162A (en) * 2013-10-10 2014-01-01 北京浦然轨道交通科技有限公司 Dovetail structure braking pad
CN104455105A (en) * 2014-12-17 2015-03-25 北京天宜上佳新材料有限公司 Floating type brake pad
CN104500628A (en) * 2014-12-17 2015-04-08 北京天宜上佳新材料有限公司 Brake pad
EP3059466A1 (en) * 2015-02-18 2016-08-24 Cofren S.r.L. Pad for disc brakes for railway vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070093527A (en) * 2006-03-14 2007-09-19 현대자동차주식회사 Judder-resistant brake system
CN201606435U (en) * 2010-01-14 2010-10-13 贵州新安航空机械有限责任公司 Brake pad with elastic floating structure
CN102174946A (en) * 2011-03-17 2011-09-07 北京浦然铁路制动科技有限责任公司 Brake pad of railway vehicle brake device
CN102359523A (en) * 2011-08-22 2012-02-22 北京天宜上佳新材料有限公司 Floating type train brake pad capable of replacing friction block
CN202597552U (en) * 2012-05-07 2012-12-12 北京天宜上佳新材料有限公司 Floating type brake pad for high-speed train

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070093527A (en) * 2006-03-14 2007-09-19 현대자동차주식회사 Judder-resistant brake system
CN201606435U (en) * 2010-01-14 2010-10-13 贵州新安航空机械有限责任公司 Brake pad with elastic floating structure
CN102174946A (en) * 2011-03-17 2011-09-07 北京浦然铁路制动科技有限责任公司 Brake pad of railway vehicle brake device
CN102359523A (en) * 2011-08-22 2012-02-22 北京天宜上佳新材料有限公司 Floating type train brake pad capable of replacing friction block
CN202597552U (en) * 2012-05-07 2012-12-12 北京天宜上佳新材料有限公司 Floating type brake pad for high-speed train

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2553928R1 (en) * 2013-02-06 2016-10-10 Beijing Tianyishangjia New Material Co., Ltd. FLOATING TYPE BRAKE PAD FOR TRAINS
ES2553837R1 (en) * 2013-02-06 2016-10-14 Beijing Tianyishangjia New Material Co., Ltd. FLOATING TYPE BRAKE PAD FOR USE IN RAIN OR SNOW CLIMATE CONDITIONS
KR101899874B1 (en) * 2013-02-06 2018-11-05 베이징 티아니샹지아 뉴 머티어리얼 코포레이션 리미티드 Floating type brake pad for train
WO2014121704A1 (en) * 2013-02-06 2014-08-14 北京天宜上佳新材料有限公司 Floating type brake pad for train
WO2014121703A1 (en) * 2013-02-06 2014-08-14 北京天宜上佳新材料有限公司 Floating type brake pad used in rainy or snowy weather
EA029606B1 (en) * 2013-02-06 2018-04-30 Бейджинг Тяньишанцзя Нью Матириал Корп., Лтд Floating brake pad for a train
CN103133571A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Floating type brake pad for train
EA029527B1 (en) * 2013-02-06 2018-04-30 Бейджинг Тяньишанцзя Нью Матириал Корп., Лтд Floating-type brake pad for trains used in rainy and snowy weather
CN103133571B (en) * 2013-02-06 2016-04-13 北京天宜上佳新材料有限公司 Train floatation type brake pad
CN103133579A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Floating type brake pad used in rainy and snowy weather
CN103486162A (en) * 2013-10-10 2014-01-01 北京浦然轨道交通科技有限公司 Dovetail structure braking pad
CN104500628A (en) * 2014-12-17 2015-04-08 北京天宜上佳新材料有限公司 Brake pad
CN104500628B (en) * 2014-12-17 2018-03-27 北京天宜上佳新材料股份有限公司 A kind of brake pad
CN104455105A (en) * 2014-12-17 2015-03-25 北京天宜上佳新材料有限公司 Floating type brake pad
EP3059466A1 (en) * 2015-02-18 2016-08-24 Cofren S.r.L. Pad for disc brakes for railway vehicles

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Application publication date: 20121003