CN202545660U - Floating train brake with replaceable friction blocks - Google Patents

Floating train brake with replaceable friction blocks Download PDF

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Publication number
CN202545660U
CN202545660U CN2012201434911U CN201220143491U CN202545660U CN 202545660 U CN202545660 U CN 202545660U CN 2012201434911 U CN2012201434911 U CN 2012201434911U CN 201220143491 U CN201220143491 U CN 201220143491U CN 202545660 U CN202545660 U CN 202545660U
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China
Prior art keywords
brake lining
brake
elastic support
friction
backboard
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Application number
CN2012201434911U
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Chinese (zh)
Inventor
吴佩芳
其他发明人请求不公开姓名
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Beijing Tian Ren Dao and new material Co., Ltd.
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BEIJING TIANYISHANGJIA NEW MATERIALS Co Ltd
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Priority to CN2012201434911U priority Critical patent/CN202545660U/en
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Abstract

The utility model relates to a floating train brake with replaceable friction blocks, which is characterized by comprising a brake back panel, a plurality of brake friction blocks, a plurality of elastic support pieces and a plurality of circular spring clips, wherein the brake back panel is provided with mounting holes; each elastic support piece is provided with a spherical supporting surface and a central guide hole; the lower part of each friction block is provided with a spherical supporting surface and a locating connecting shaft with a clamping groove; the connecting shaft can penetrate through the central guide holes of the elastic support pieces and the locating hole of the back panel, and is locked with the back panel through the circular spring clips, thereby implementing the floating connection; each friction block is a polygonal block with a central blind hole; and every three friction blocks form an interlock group to prevent the friction blocks from rotation in the working process of the brake. By using the utility model, the maximum contact friction area between the brake and the brake disk can be obtained in the train braking process, so that the braking process is smooth and has the functions of damping, shock absorption, noise reduction, heat dissipation and the like; the friction blocks can be easily replaced, thereby lowering the train operating cost; and thus, the utility model can be widely used in braking systems of high speed trains.

Description

The floating type train brake lining of replaceable brake pad
Technical field
The utility model relates to a kind of disc brake that is applied to bullet train, particularly about a kind of floating type train brake lining of replaceable brake pad.
Background technique
Along with the raising of train running speed, generally adopt the disc brake of reel and two kinds of forms of wheel disc in order to ensure train braking performance truck brake rigging device, directly absorb kinetic energy through brake pad with the brake disc friction, make the train braking parking.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 train disk braking system, brake lining exists retardation pressure unbalanced during braking, causes the brake disc vibration, can't obtain maximum effectively friction area, and heat load is big when causing death braking, and brake lining reduces working life.
Therefore, through design optimization, 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 purpose of the utility model 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 utility model adopts following technological scheme: a kind of floating type train brake lining of replaceable brake pad is characterized in that: it comprises a brake lining backboard, the friction of some brake linings block, plurality of elastic support plate and some coil component spring clamps; Said brake lining backboard is the arcuate structure of upper and lower symmetry; The one of which side is provided with the left wing plate that is used to locate the braking clamp; Opposite side is provided with the right wing plate that is used to locate the braking clamp; The upper and lower through hole that connects the braking clamp that is respectively arranged with of said brake lining backboard, said brake lining backboard are provided with some installing and locating holes that said brake lining friction block is installed elastic support sheet, coil component spring clamp that are used for fixing; 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 provided with blind hole for the polygonal center; Said coil component spring clamp is provided with supporting leg and circular collar.
Said friction piece is one to have single arc quadrilateral cylinder that the center emits the hole, and 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 quantity of said elastic support sheet is for being symmetrical set nine, and 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.
Per 3 one group of said friction piece utilizes the polygonal limit of friction block to be meshing with each other, and realizes that said friction block substantially horizontal in said brake lining backboard mounting plane locks each other.
The utility model is owing to take above technological scheme; It has the following advantages: 1, the utility model friction block constitutes floating structure through elastic support sheet and brake pad backboard; And, make between each parts and interconnect compact by the locking of coil component spring clamp.2, the installing and locating hole location of the utility model elastic support sheet 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; But the retardation pressure of proportionality action on backboard not only; Simultaneously single arc quadrilateral friction block can freely be adjusted in the horizontal direction till per 3 friction block engaging locks are tight; The friction block can also have certain free adjustment amount in Vertical direction; So that the fricting working surface of friction block farthest contacts with brake disc, so dynamic free adjustment process 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, can also omit or shorten the period of adjustment of new brake lining.4, separate by the elastic support sheet between the utility model friction 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 utility model friction block is replaceable, and brake lining backboard, elastic support sheet and coil component spring clamp are reusable, help having reduced cost.
The utility model braking ability 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 the utility model structural representation
Fig. 2 is the rear view of Fig. 1
Fig. 3 is the A-A sectional view of Fig. 2
Fig. 4 is the partial enlarged drawing of Fig. 3
Fig. 5 is the utility model brake lining back board structure schematic representation
Fig. 6 is the A-A sectional view of Fig. 5
Fig. 7 is the utility model elastic support chip architecture schematic representation
Fig. 8 is the A-A sectional view of Fig. 7
Fig. 9 is the utility model brake lining brake pad body structure schematic representation
Figure 10 is the A-A sectional view of Fig. 9
Figure 11 is the utility model spring clamp structural representation
Position distribution schematic representation when Figure 12 is brake lining brake pad body running
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
Shown in Fig. 1~4, the present invention includes a brake lining backboard 1, the friction of some brake linings block 2, plurality of elastic support plate 3 and some spring clampes 4.
Shown in Fig. 1~6; The brake lining backboard 1 of the utility model is the arcuate structure of upper and lower symmetry; The employing steel material is made, and brake lining backboard 1 one sides are provided with left wing plate 101, and opposite side is provided with right wing plate 102; The middle part of brake lining backboard 1 is provided with a horizontal elongated groove 103, in groove 103, is arranged at intervals with two lightening holes 104.Upper and lower auxiliary hole 105 and the through hole 106 of being respectively arranged with at brake lining backboard 1; Also be provided with the location and installation hole 107 that is connected with elastic support sheet 3 on the brake lining backboard 1, the mounting hole 108 that is connected with spring clamp 4, and the through hole 109 that the guiding coupling shaft of brake lining friction block 2 is passed.
Shown in Fig. 7~8; The elastic support sheet 3 of the utility model 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 Fig. 9~10; The brake lining friction block 2 of the utility model 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 single arc quadrilateral 231, and the center is provided with blind hole 232 can realize the friction piece heat radiation on the one hand, can store the buffing of friction piece 23 on the other hand.。
Shown in figure 11, the coil component spring clamp 4 of the utility model adopts spring steel to make, and is provided with a plurality of supporting legs 401 and circular collar 402.
The utility model assembles as follows:
Bottom fixed support ratchet 301 on each elastic support sheet 3 is inserted corresponding location and installation hole 107 on the brake lining backboard 1 respectively; The rub guiding coupling shaft 22 of block 2 of brake lining is passed the first positioning step hole, 17 through holes 109 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 108, and be installed in the spring card slot 221 of guiding coupling shaft 22.
Repeated several times; Setting type according to 2-a, 2-b, 2-c (expression top 3 of blocks of brake lining friction are a group (bottom and top symmetry)) brake lining friction block 2 among Fig. 1, Figure 12 is placed 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 utility model installation, will brake clamp along the left wing plate 101 of brake lining backboard 1 with right wing plate 102 interior side directions and be inserted in from top to down on the brake lining backboard 1, be connected with the respective aperture of braking clamp through the through hole 106 of pin then brake lining backboard 1.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 single arc quadrilateral brake lining friction block can realize that the three-dimensional trace rotates; Can freely adjust till 3 one group engagement locking like Figure 12 at the friction block that horizontal plane three-dimensional trace rotates; 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, can also omit or shorten the period of adjustment of new brake lining.
Above-mentioned each embodiment only is used to explain the present invention; Wherein the structure of each parts, Placement etc. all can change to some extent; Every equivalents of on the basis of technological scheme of the present invention, carrying out and improvement all should not got rid of outside the protection domain of the utility model.

Claims (5)

1. the floating type train brake lining of a replaceable brake pad is characterized in that: it comprises a brake lining backboard, the friction of some brake linings block, plurality of elastic support plate and some coil component spring clamps;
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 is used to realize match with the spherical of the block coupling shaft root that rubs 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 friction piece is provided with blind hole for the polygonal center;
Said brake lining backboard is the arcuate structure of upper and lower symmetry; The one of which side is provided with the left wing plate that is used to locate the braking clamp; Opposite side is provided with the right wing plate that is used to locate the braking clamp; The upper and lower through hole that connects the braking clamp that is respectively arranged with of said brake lining backboard, said brake lining backboard are provided with some installing and locating holes that said brake lining friction block is installed elastic support sheet, coil component spring clamp that are used for fixing;
Said coil component spring clamp is provided with supporting leg and circular collar.
2. the floating type train brake lining of a kind of replaceable brake pad as claimed in claim 1; It is characterized in that: said friction piece is one to have single arc quadrilateral cylinder that the center emits the hole; 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. the floating type train brake lining of a kind of replaceable brake pad as claimed in claim 1 is characterized in that: the quantity of said elastic support sheet is for being symmetrical set nine, and the fixed support number of pawls of said elastic support sheet is 4 but variable.
4. according to claim 1 or claim 2 a kind of floating type train brake lining of replaceable brake pad; 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.
5. according to claim 1 or claim 2 a kind of floating type train brake lining of replaceable brake pad; It is characterized in that: per 3 one group of said friction piece; 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.
CN2012201434911U 2012-04-09 2012-04-09 Floating train brake with replaceable friction blocks Active CN202545660U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201434911U CN202545660U (en) 2012-04-09 2012-04-09 Floating train brake with replaceable friction blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201434911U CN202545660U (en) 2012-04-09 2012-04-09 Floating train brake with replaceable friction blocks

Publications (1)

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CN2012201434911U Active CN202545660U (en) 2012-04-09 2012-04-09 Floating train brake with replaceable friction blocks

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748417A (en) * 2012-04-09 2012-10-24 北京天宜上佳新材料有限公司 Floating type train brake lining with replaceable friction blocks
CN103133570A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Combination floating type brake pad
CN103939504A (en) * 2014-03-14 2014-07-23 天津机辆轨道交通装备有限责任公司 High-speed train brake pad capable of automatically regulating attached friction
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748417A (en) * 2012-04-09 2012-10-24 北京天宜上佳新材料有限公司 Floating type train brake lining with replaceable friction blocks
CN103133570A (en) * 2013-02-06 2013-06-05 北京天宜上佳新材料有限公司 Combination floating type brake pad
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
CN103133570B (en) * 2013-02-06 2016-01-13 北京天宜上佳新材料有限公司 Composite floating type brake pad
EA029606B1 (en) * 2013-02-06 2018-04-30 Бейджинг Тяньишанцзя Нью Матириал Корп., Лтд Floating brake pad for a train
CN103939504A (en) * 2014-03-14 2014-07-23 天津机辆轨道交通装备有限责任公司 High-speed train brake pad capable of automatically regulating attached friction

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Floating type train brake pad capable of replacing friction block

Effective date of registration: 20130326

Granted publication date: 20121121

Pledgee: Bank of Communications Ltd Beijing Zhongguancun Park sub branch

Pledgor: Beijing Tianyishangjia New Materials Co., Ltd.

Registration number: 2013990000172

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20141201

Granted publication date: 20121121

Pledgee: Bank of Communications Ltd Beijing Zhongguancun Park sub branch

Pledgor: Beijing Tianyishangjia New Materials Co., Ltd.

Registration number: 2013990000172

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
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.

C56 Change in the name or address of the patentee
TR01 Transfer of patent right

Effective date of registration: 20171124

Address after: 102400 Beijing city Fangshan District Doudian town Yingbin No. 1 South Street Hospital

Patentee after: Beijing Tian Ren Dao and new material Co., Ltd.

Address before: 100094 Beijing city Haidian District Town West Xin Li Tun Cun Nan Railway North 500 meters

Patentee before: Beijing Tianyi good new materials Limited by Share Ltd

TR01 Transfer of patent right