CN203272544U - Floating damper braking pad with double-layered backboard - Google Patents
Floating damper braking pad with double-layered backboard Download PDFInfo
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- CN203272544U CN203272544U CN201220423289.4U CN201220423289U CN203272544U CN 203272544 U CN203272544 U CN 203272544U CN 201220423289 U CN201220423289 U CN 201220423289U CN 203272544 U CN203272544 U CN 203272544U
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- backboard
- friction block
- brake pad
- friction
- brake
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Abstract
The utility model relates to a floating damper braking pad with a double-layered backboard. The floating damper braking pad is characterized by comprising a brake pad thick backboard, a brake pad thin backboard, a forked tail, a plurality of brake pad friction block bodies and a plurality of elastic cushions, wherein the brake pad thick backboard is a structure with a shape of an arc half shoe sole and provided with multiple installing holes; the elastic cushion is provided with an annular supporting surface and a central guiding hole; each brake pad friction block body is provided with the annular supporting surface and a fastening connecting piece; the elastic cushion possesses elasticity, thereby enabling the friction block body to carry out elastic adjustment to the brake pad thin backboard in a vertical direction and enabling the elastic cushion, the friction block body, the brake pad thick and thin backboards to be connected in a floating way; the annular supporting surface of the elastic cushion and an annular supporting surface of a connecting shaft root part of the friction block body are rotary, thereby achieving a balance of braking force; the friction block is cylindrical; and three evenly distributed raised keys on a round backboard and three evenly distributed keyways on the brake pad thin backboard enable a mutual positioning between the keys and keyways in a plane and a peripheral direction. By the floating damper braking pad with double-layered backboard, relative existing structure of brake pad and braking disk acquires maximum contact friction area during train braking process, so that braking process becomes stable capable of damping, vibration damping, noise reducing and heat radiating; friction block bodies and elastic cushions are changeable, thereby reducing train operating cost; and the floating damper braking pad with double-layered backboard can be widely applied to braking system of high-speed trains.
Description
Technical field
The utility model relates to a kind of disc brake, particularly about a kind of double-deck backboard brake pad.
Background technique
Bullet train is because speed class is higher, and braking energy is relatively large.Heat load during braking between brake pad and brake disc is larger: 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 the parts of friction block and its installation.
At present, in bullet train disc brake braking system, existing brake lining structure such as accompanying drawing 1, shown in Figure 2, because brake lining brake pad and steel backing and dovetail are rivet welding or riveting, between brake pad and steel backing, both without relatively rotating also acomia floating, the retardation pressure that causes each brake pad to act on brake disc is unbalanced, can't obtain maximum effectively friction area, during braking, heat load is bigger than normal, and brake lining reduces working life.
For fear of the series of problems that above-mentioned braking device deficiency causes, research and development provide the Novel brake brake lining that satisfies the high-speed train braking performance requirement just very necessary.
The model utility content
Based on above-mentioned technical background, the purpose of this utility model is: by appropriate design brake pad structure, increase the contact friction area of friction piece and brake disc, the friction block all carries with realizing braking force being connected of assembly, satisfy and improve the train braking performance, guaranteeing train operating safety.
For achieving the above object, the utility model by the following technical solutions: a kind of floating type double-deck backboard brake pad, it comprises a double-deck brake lining backboard, dovetail, some brake linings friction block, some cushions;
The thick backboard of described brake lining is arc half footwear sole construction, be provided with a plurality of installation cushions the flat hole of support ream, with the rivet welding hole of the guide-localization hole of the concentric installation friction block guiding fastening connection piece in above-mentioned two ream flat holes, a plurality of installation coattail boards and with thin backboard assembly welding positioning hole;
Described cushion is selected the impact briquetting of high-temperature alloy rustproof spring steel material, the cushion top is provided with spherical and realizes matching with the spherical of friction block guiding fastening connection piece root and make the brake lining brake pad body can the rotation of relative resilient pad, described cushion bottom be provided with fixed support ratchet adjustable elastic pad elasticity and with brake lining backboard location, described cushion middle part has the guiding fastening connection piece that the centre pilot hole is used for installing brake lining friction block;
Described brake lining friction block comprises friction block circle backboard, guiding fastening connection piece and friction piece, described friction block circle backboard root is provided with spherical and matches with the cushion spherical, described guiding fastening connection piece is provided with spherical and is used for coordinating with spherical in friction block circle backboard root
Described thin backboard is also arc half footwear sole construction, be provided with a plurality of suit friction pieces flanging bore, with keyway, a plurality of and thick backboard assembly welding positioning hole of friction piece circle backboard circumferencial direction location.
Described guiding fastening connection piece is fitted on the interior spherical of described friction block circle backboard, and described friction piece and described friction block circle backboard and guiding fastening connection piece are sintered into one.
The fixed support number of pawls of described cushion is 4 but variable.
Described cushion has elasticity, can make the double-deck backboard of the relatively described brake lining of described friction block flexible adjustment in the vertical direction, realizes that the double-deck backboard of described cushion, described friction block and described brake lining is floating connection.
The spherical of described cushion spherical and described friction block fastening connection piece root is rotatable, realizes that braking force is balanced.
Described cylindrical friction piece utilizes 3 keyways uniform on uniform on the circular backboard circumference of friction block 3 protruding keys and thin backboard circumference to coordinate, realizes that described friction block locates in described brake lining bilayer backboard mounting plane inner circumference direction.
The utility model is owing to taking above technological scheme, and it has the following advantages: 1, the utility model friction block consists of floating structure by cushion and the double-deck backboard of brake pad (thick, thin backboard).2, the utility model cushion is by the location of the cushion mounting-positioning holes on thick backboard, and when having avoided braking, friction block fastening connection piece contacts with backboard installation through hole and produces cross shear; The vibration that when elasticity of cushion can absorb braking work, brake lining produces, the noise that produces when helping to reduce braking.3, the spherical due to cushion matches with the spherical of friction block fastening connection piece 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, separated by cushion between the utility model friction block and thick backboard, be conducive to dissipate the heat that friction block and brake disc contact friction produce, thereby avoided because 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 that cylindrical structural is simple, and is easily manufactured.6, the utility model friction block is replaceable, and the thick backboard of brake lining, dovetail, cushion are reusable, are conducive to reduce cost.
The utility model can be realized good braking ability, safe and 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 existing brake pad component connection diagram
Fig. 3 is plan view of the present utility model
Fig. 4 is rear view of the present utility model
Fig. 5 is the A-A sectional view of Fig. 3
Fig. 6 is the C-C sectional view of Fig. 4
Fig. 7 is the thick back board structure schematic diagram of the utility model brake lining
Fig. 8 is the A-A sectional view of Fig. 7
Fig. 9 is the utility model cushion structural representation
Figure 10 is the A-A sectional view of Fig. 9
Figure 11 is the utility model brake lining brake pad body structure schematic diagram
Figure 12 is the A-A sectional view of Figure 11
Figure 13 is the thin back board structure schematic diagram of the utility model brake lining
Figure 14 is the A-A sectional view of Figure 13
Figure 15 is the utility model dovetail structural representation
Figure 16 is the A-A sectional view of Figure 14
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Fig. 3～6, the utility model comprises a thick backboard 1 of brake lining, thin backboard 2 of brake lining, some cushions 3, some brake linings friction block 4, dovetail 5, some rivets 6, some electrical pads 7.
As shown in Fig. 7～8, the thick backboard 1 arc footwear sole construction of brake lining of the present utility model, the employing steel material is made, and the thick backboard 1 of brake lining is provided with the location and installation ream that is connected with cushion 3 flat hole 101, the mounting hole 102 that is connected with dovetail 5, make the through hole 103 that the guiding fastening connection piece of brake lining friction block 2 passes and realize installing the positioning hole 104 of location with thin backboard 2.
As shown in Fig. 9～10, cushion 3 of the present utility model is selected the impact briquetting of high-temperature alloy rustproof spring steel material, cushion 3 tops are provided with spherical 303 can rotate by the relative resilient pad brake lining brake pad body for realizing matching with the spherical 412 of friction block fastening connection piece root, the bottom be provided with fixed support ratchet 301 adjustable elastic pad elasticity and with the thick backboard of brake lining location, the middle part has the guiding fastening connection pieces 42 that centre pilot hole 302 is used for installing brake lining friction block.
As shown in Figure 11～12, brake lining friction block 4 of the present utility model is sintered together and makes together with friction material 43, friction block circle backboard 41, guiding fastening connection piece 42 through vacuum pressed by copper based powder metallurgy material, friction block circle backboard 41 in brake lining friction block 4 is by the steel plate punched moulding, 6 cylindrical holes 414 that friction block circle backboard root is provided with interior spherical 411, outer spherical supporting surface 412, realize 3 uniform protruding keys 413 of circumferencial direction location with the thin backboard of brake lining and increase friction piece and circle backboard join strength; Guiding fastening connection piece 42 is provided with spherical 421; Friction piece 43 is divided into cylindrical structural.
As shown in Figure 13～14, the thin backboard 2 of brake lining of the present utility model adopts the sheet metal punching press to be made, and is provided with a plurality of cylindrical flange 21, realizes 3 uniform keyways 22 of circumferential registration and the positioning hole 23 of locating with the positioning hole 104 of thick backboard 1 with friction piece circle backboard 41.
As shown in Figure 15～16, dovetail 5 of the present utility model adopts steel material to be made, and is provided with a plurality of riveted holes 501 and muscle 502.
The utility model assembling is as follows:
At first dovetail 5 and the thick backboard 1 of brake lining are riveted together by rivet 6.Afterwards the bottom fixed support ratchet 301 on each cushion 3 is inserted respectively corresponding location and installation hole 101 on the thick backboard 1 of brake lining; The rub guiding fastening connection piece 42 of block 4 of brake lining is passed 103 on centre pilot hole 302 on cushion 3 and the thick backboard 1 of brake lining successively; Thereby repeated several times is assembled in some brake lining friction blocks 4, some cushions 3 on the thick backboard 1 of brake lining; With thin backboard 2 all brake lining friction pieces of suit,, be welded together by electrical pads 7 with thick backboard afterwards by mounting-positioning holes 104 location with thick backboard again.
After the utility model installation, insert the brake clamp brake linings along the dovetail wing plate 502 of dovetail 5 and install in holder, then by the positioning device of clamp backing section, brake lining and brake clamp are located.In braking device when work,, retardation pressure acts on the thick backboard of brake lining, flexibly is delivered on the friction block by some cushions, and some friction blocks brake disc of steadily fitting is implemented braking.Because making brake lining friction block, the sphere of cushion and friction block root sphere-contact can realize that the three-dimensional trace rotates, utilize 3 uniform protruding keys and 3 uniform keyways on thin backboard circumference on the round backboard of friction block intermeshing, realize that described friction block locates mutually in described brake lining backboard mounting plane inner circumference direction.Simultaneously because any friction block of the elasticity of cushion can also be done free adjustment in the vertical direction, so that the fricting working surface of friction block farthest contacts with brake disc, dynamic free adjustment process so namely occurs in the moment of braking beginning, also among whole braking process, floating structure can make braking process obtain maximum effectively contact friction area.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, Placement etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement all should not got rid of outside protection domain of the present utility model.
Claims (6)
1. a bullet train is with floating type double-deck backboard brake pad, and it is characterized in that: it comprises a thick backboard of brake lining, a thin backboard of brake lining, a coattail board, some brake linings friction block and some cushions;
The thick backboard of described brake lining is arc half footwear sole construction, be provided with a plurality of installation cushions the flat hole of support ream, with the rivet welding hole of the guide-localization hole of the concentric installation friction block fastening connection piece in above-mentioned two ream flat holes, a plurality of installation coattail boards and with thin backboard assembly welding positioning hole;
Described cushion is selected the impact briquetting of high-temperature alloy rustproof spring steel material, the cushion top is provided with spherical and realizes matching with the spherical of friction block fastening connection piece root and make the brake lining brake pad body can the rotation of relative resilient pad, described cushion bottom be provided with fixed support ratchet adjustable elastic pad elasticity and with brake lining backboard location, described cushion middle part has the fastening connection piece that the centre pilot hole is used for installing brake lining friction block;
Described brake lining friction block comprises friction block circle backboard, guiding fastening connection piece and friction piece, described friction block circle backboard root is provided with spherical and matches with the cushion spherical, described guiding fastening connection piece is provided with spherical and is used for coordinating with spherical in friction block circle backboard root
Described thin backboard is also arc half footwear sole construction, be provided with a plurality of suit friction pieces flanging bore, with keyway, a plurality of and thick backboard assembly welding positioning hole of friction piece circle backboard circumferencial direction location.
2. a kind of floating type double-deck backboard brake pad as claimed in claim 1, it is characterized in that: described guiding fastening connection piece is fitted on the interior spherical of described friction block backboard, and described friction piece and described friction block backboard and guiding fastening connection piece are sintered into one.
3. a kind of floating type double-deck backboard brake pad as claimed in claim 1, it is characterized in that: described friction piece is cylindrical, it is 3 uniform protruding keys that friction piece circle backboard is provided with.
4. a kind of floating type double-deck backboard brake pad as claimed in claim 1, it is characterized in that: the fixed support number of pawls of described cushion is 4.
5. a kind of floating type double-deck backboard brake pad as claimed in claim 1 or 2, it is characterized in that: described cushion has elasticity, can make that the relatively described brake lining of described friction block is thick, thin backboard flexible adjustment in the vertical direction, realize described cushion, described friction block and described brake lining is thick, thin backboard is floating connection.
6. a kind of floating type double-deck backboard brake pad as described in claim 1 or 3, it is characterized in that: the protruding key on the round backboard of described cylindrical friction piece utilization friction block coordinates with the keyway on thin backboard, realizes that described friction block and described brake lining backboard locate mutually in mounting plane inner circumference direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220423289.4U CN203272544U (en) | 2012-08-24 | 2012-08-24 | Floating damper braking pad with double-layered backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220423289.4U CN203272544U (en) | 2012-08-24 | 2012-08-24 | Floating damper braking pad with double-layered backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272544U true CN203272544U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220423289.4U Expired - Lifetime CN203272544U (en) | 2012-08-24 | 2012-08-24 | Floating damper braking pad with double-layered backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629273A (en) * | 2012-08-24 | 2014-03-12 | 北京天宜上佳新材料有限公司 | Floating type double-layer back plate brake pad |
| CN103883654A (en) * | 2014-03-19 | 2014-06-25 | 博深工具股份有限公司 | Double-backboard two-level floating brake pad |
| CN109058337A (en) * | 2018-08-01 | 2018-12-21 | 博深工具股份有限公司 | A kind of floating structure train brake plate of abnormal shape disc spring connection |
-
2012
- 2012-08-24 CN CN201220423289.4U patent/CN203272544U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629273A (en) * | 2012-08-24 | 2014-03-12 | 北京天宜上佳新材料有限公司 | Floating type double-layer back plate brake pad |
| CN103883654A (en) * | 2014-03-19 | 2014-06-25 | 博深工具股份有限公司 | Double-backboard two-level floating brake pad |
| CN103883654B (en) * | 2014-03-19 | 2016-01-13 | 博深工具股份有限公司 | Two backboard two-stage floatation type brake pad |
| CN109058337A (en) * | 2018-08-01 | 2018-12-21 | 博深工具股份有限公司 | A kind of floating structure train brake plate of abnormal shape disc spring connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 TIANYISHANGJIA NEW MATERIAL Corp.,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. |
|
| CP03 | Change of name, title or address |
Address after: 102206 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee after: BEIJING TIANYISHANGJIA NEW MATERIAL Corp.,Ltd. Address before: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north. Patentee before: BEIJING TIANYISHANGJIA NEW MATERIAL Corp.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |