CN101529114B - Friction pad assembly for disk brake - Google Patents
Friction pad assembly for disk brake Download PDFInfo
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- CN101529114B CN101529114B CN2007800396647A CN200780039664A CN101529114B CN 101529114 B CN101529114 B CN 101529114B CN 2007800396647 A CN2007800396647 A CN 2007800396647A CN 200780039664 A CN200780039664 A CN 200780039664A CN 101529114 B CN101529114 B CN 101529114B
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Abstract
The invention provides a friction pad assembly capable of realizing a reduction in cost and an improvement in productivity by moderating the machining accuracy of parts used and reducing the number of the parts. Each of lining assemblies (13) arranged on a guide plate (11) includes a plate fitting part (22a) the outer peripheral surface of which is rotatably fitted into a guide hole part (11a) formed in the guide plate (11) and a loose-prevention flange part (22b) having an outer diameter larger than that of the guide hole part (11a), on a rear plate part (22) fixed to the rear surface of a friction material (21). A plate spring (24) fitted to the plate fitting part (22a) is so arranged as to be held between the guide plate (11) and the loose-prevention flange part (22b).
Description
Technical field
The present invention relates to friction pad assembly for disk brake, the guide plate rotation of the sustained retarding torque of its a plurality of liner assemblies is supported freely, produce braking force by the sliding friction of described liner assembly when discal rotor is pushed, particularly relate to and be used to realize to use relaxing and the improvement of the reducing of cost that the minimizing of constituent part brings, productive raising of part processing precision.
Background technique
Disc brake device possesses: be fixed in the discal rotor of axletree; With the face of the discal rotor side of the torque receiving plate of this discal rotor arranged opposite on the friction pad assembly of assembling liner parts; In dress actuator that the torque receiving plate is driven to discal rotor advance and retreat and be fixed on brake calipers on the vehicle frame.By making the torque receiving plate sliding friction of liner parts when discal rotor is pushed be produced braking force in the turnover of discal rotor side.
Use in the disc brake device at railway vehicle, because discal rotor and friction pad assembly are large-scale, therefore make by being pressed in liner parts on the discal rotor when forming with the one part, because of beating of on discal rotor, producing such as frictional heat etc., non-contacting zone increases, thereby can't keep stable friction area, and be difficult to obtain stable braking characteristic.
Therefore, in order to solve such problem, motion has friction pad assembly, its structure is: on the torque receiving plate a plurality of second link plates are laid on the general plane, a plurality of first link plates are laid in separate and rotation freely on each second link plate, separate and rotation sets a plurality of liner assembly bodies freely on each first link plate, by moving of carrying out to the discal rotor side of torque receiving plate, make each the liner assembly body on each first link plate contact (for example with reference to patent documentation 1) with discal rotor.
In the friction pad assembly of this formation, since by small each liner assembly body of cutting apart with respectively independently spinning movement follow the beating of surface of discal rotor, contact with the discal rotor surface, therefore, can keep stable friction area, keep stable braking characteristic.
Patent documentation 1:(Japan) the flat 10-507250 communique of special table
Summary of the invention
Invent technical problem to be solved
Yet, in the friction pad assembly of in above-mentioned patent documentation 1, recording and narrating, the position limit of the liner assembly body on the torque receiving plate in the direction parallel with liner assembly body surface, and all utilize by the sphere contacting part with the direction of liner assembly body surface quadrature liner assembly body and first universal shaft coupling that first link plate rotates binding freely carried out.
In addition, the position limit of second link plate on first link plate is also carried out the rotation of first link plate freely all utilizing by the sphere contacting part with the surperficial parallel direction of liner assembly body and with liner assembly body surface orthogonal direction with second universal shaft coupling that second link plate links.
Consequently, the retarding torque that acts on the liner assembly body during braking is all via the sphere contacting part of universal shaft coupling, from the liner assembly body to first link plate, transmit successively to second chain connecting plate from first link plate, and finally be delivered to the torque receiving plate that engages second link plate, firm and not the sphere contacting part of each universal shaft coupling is not added man-hour accurately when each universal shaft coupling, excessive load concentrates on the universal shaft coupling of a part, can cause its breakage.
But, since universal shaft coupling make use many, therefore whole universal shaft couplings must be made firm structure, and must add man-hour accurately to the cooperation side contacts portion of its sphere contacting part and the contact of this sphere contacting part, exist the part processing cost to increase, cause the cost rising and the producibility of friction pad assembly to reduce this class problem.
In addition, when friction pad assembly is carried and disc brake device when maintenance etc., need study the maintenance structure of liner assembly body according to the mode that the liner assembly body can carefully come off, but when part is increased, exist the increase of part to cause cost to rise, the increase of the assembling procedure number of the increase of simultaneous part causes producibility to reduce this class problem.
In addition, when by with the contacting of discal rotor, when the liner assembly body inadvertently rotates, in the retarding torque transmission, produce loss thus, so need the means of the rotation of restriction liner assembly body, but when parts are increased, also exist the parts increase to cause cost to rise under this situation, the increase of the assembling procedure number that the simultaneous part increases causes producibility to reduce this class problem.
In addition, because friction pad assembly for disk brake is the form that a plurality of liner assembly bodies are laid planely side by side, therefore when the research of the tolerance of size of not doing compensation liner assembly body thickness direction, because tolerance of size, on the contact of each liner assembly body, produce deviation, thereby may be difficult to keep stable braking characteristic with respect to discal rotor.
Therefore, the objective of the invention is to eliminate the problems referred to above, its purpose is to provide a kind of friction pad assembly, relaxes and parts reduce by the machining accuracy of using part, can realize the reducing of cost, productive raising, in addition, allow the tolerance of size of liner assembly body thickness direction, can prevent from the contact of each liner assembly body, to produce deviation, therefore with respect to discal rotor, can not be subjected to the influence of the tolerance of size of liner assembly body thickness direction, can keep stable braking characteristic.
The means of technical solution problem
Above-mentioned purpose realizes by following structure.
(1) the invention provides a kind of friction pad assembly for disk brake, the guide plate rotation of the sustained retarding torque of its a plurality of liner assembly bodies is supported freely, and described liner assembly body is pushed to discal rotor, it constitutes, described liner assembly body comprises in the backboard portion that is bonded in the friction material back side: the plate embedding part, and its outer circumferential face rotation is entrenched in the pilot hole portion that is arranged on the described guide plate freely; The anti-avulsion lip part, its external diameter is bigger than described pilot hole portion, the chimeric leaf spring of described plate embedding part that is fastened on is to be clipped in the mode between described guide plate and the described anti-avulsion lip part, insert the described pilot hole portion that is installed in from the back side of described guide plate, the retarding torque that will when discal rotor contacts with friction material, act on from described plate embedding part to described guide plate transmission, and described backboard portion between vacate the gap and be bonded between torque receiving plate on the described guide plate and the described backboard portion a plurality of link plates are set, these a plurality of link plates are striden a plurality of liner assembly body configurations, make the pressing force of self-torque receiving plate to act on these liner assembly bodies, described link plate possesses: single plate butt curved face part, the chain link supporting portion butt of itself and described torque receiving plate and rotatably being supported; A plurality of backboard butt curved face part, the chain link abutting part butt at the center of the backboard portion of itself and each liner assembly body and rotatably support the liner assembly body; The rotation limitation part, its with away from the formed card complex hole trip embedding of the position at the backboard portion center of each liner assembly body, limit the spinning movement of each liner assembly body.
(2) on the basis of described (1), it constitutes, and described guide plate and torque receiving plate are clamped liner and butt, by utilizing rivet to connect these guide plates and torque receiving plate, forms the frame structure of one.
(3) on the basis of described (1) or (2), it constitutes, and at least one of described liner and described torque receiving plate or described guide plate is integrally formed.
(4) in described (1)～(3) on each the basis, it constitutes, when the reaction force the when friction material of described liner assembly body is pushed discal rotor surpasses the scope of the pushing input of regulation, the face and the described torque receiving plate butt of near the torque receiving plate side the described plate butt curved face part of described link plate and the backboard butt curved face part.
The effect of invention
According to friction pad assembly of the present invention, the retarding torque that acts on the liner assembly body during braking is to the guide plate transmission, and then directly transmits to the torque receiving plate that is fixed with guide plate.
In addition, push the pressing force self-torque receiving plate of liner assembly body to discal rotor,, and act on the liner assembly body to the link plate transmission via the contacting part of the plate butt curved face part of the chain link supporting portion of torque receiving plate and link plate via the contacting part of the chain link abutting part of the backboard butt curved face part of link plate and liner assembly body.
Promptly, set respectively from the liner assembly body and accept the parts of retarding torque and make the parts of pressing force the effect of liner assembly body, make pressing force act on liner assembly body on the liner assembly body and link plate contacting part, and the contacting part of link plate and torque receiving plate on, become the not effect of retarding torque of big load.
Thus, each contacting part that transmits pressing force there is no need to bear the engagings securely such as spherical universal coupling of retarding torque, can realize being relaxed by machining accuracy that the cost that brings is reduced, productive raising.
Description of drawings
Fig. 1 is the front elevation of a mode of execution of friction pad assembly for disk brake of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 2 is to view;
Fig. 4 is that the C of Fig. 1 is to view;
Fig. 5 is the D-D sectional drawing of Fig. 1;
Fig. 6 is the exploded perspective view of friction pad assembly shown in Figure 5;
Fig. 7 is the explanatory drawing that makes the state that link plate exposes from friction pad assembly for disk brake shown in Figure 3;
Fig. 8 is that the E of Fig. 7 is to view;
Fig. 9 is the exploded perspective view of other mode of execution of friction pad assembly for disk brake of the present invention;
Figure 10 is the sectional drawing corresponding with Fig. 5 of friction pad assembly shown in Figure 9;
Figure 11 is the exploded perspective view of other other mode of execution of friction pad assembly for disk brake of the present invention.
Symbol description
1A, the 1B friction pad assembly
3,3A torque receiving plate
3a chain link supporting portion
5,5A, 6,6A link plate
8 liners
11 guide plates
11a pilot hole portion
13,13A liner assembly body
21 friction materials
22 backboard portions
22a plate embedding part
22b anti-avulsion lip part
22c chain link abutting part
The 22d card complex hole
28 rivets
31 anchor plates
32 rivets
35 plate butt curved face part
37 backboard butt curved face part
38 rotation limitation part
Embodiment
Below, be elaborated with reference to the mode of execution of accompanying drawing to the best of friction pad assembly for disk brake of the present invention.
Fig. 1～Fig. 8 is the figure of a mode of execution of expression friction pad assembly of the present invention, Fig. 1 is the front elevation of friction pad assembly for disk brake, Fig. 2 is that the A of Fig. 1 is to view, Fig. 3 is that the B of Fig. 2 is to view, Fig. 4 be the C of Fig. 1 to view, Fig. 5 is the D-D sectional drawing of Fig. 1, Fig. 6 is the exploded perspective view of friction pad assembly shown in Figure 5, Fig. 7 is the explanatory drawing that makes the state that the link plate of friction pad assembly for disk brake shown in Figure 3 exposes, and Fig. 8 is that the E of Fig. 7 is to view.
The friction pad assembly for disk brake 1 of this mode of execution is owing to be used to the railway vehicle disc brake device, so as Fig. 1～shown in Figure 3, be made of in abutting connection with two friction pad assembly 1A, 1B disposing the Zhou Fangxiang of the discal rotor on axletree.
Each friction pad assembly 1A, 1B have same structure, by with axletree on the discal rotor arranged opposite and be fixed in the brake calipers on the vehicle frame in the actuator of dress, drive towards the discal rotor advance and retreat.
Each friction pad assembly 1A, 1B such as Fig. 5 and shown in Figure 6, by be laid on torque receiving plate 3 that discal rotor advance and retreat drive, face by the interior actuator that is contained in the not shown brake calipers in the discal rotor side of this torque receiving plate 3 two kinds of link plates 5,6 on the general plane, the discal rotor side of torque receiving plate 3 via liner 8 and torque receiving plate 3 link fixing guide plate 11, rotatably five of chimeric support liner assembly bodies 13 constitute in guide plate 11.
The leaf spring 24 of chimeric fastening ring-type on plate embedding part 22a.The external diameter of leaf spring 24 is set at bigger than the 11a of pilot hole portion.
Each liner assembly body 13 is installed in the 11a of pilot hole portion from the back side insertion of guide plate 11 according to the mode that the chimeric leaf spring 24 that is fastened on plate embedding part 22a is clipped between guide plate 11 and the anti-avulsion lip part 22b, and the retarding torque that will act on when discal rotor contacts with friction material 21 is transmitted to guide plate 11 from plate embedding part 22a.
The 11a of pilot hole portion of guide plate 11 forms 5 with specified distance, and in each 11a of pilot hole portion liner assembly body 13 is installed.
Clamping liner 8 becomes the guide plate 11 of stacked state and torque receiving plate 3 as Fig. 1 and shown in Figure 3, is connected by the rivet 28 that runs through them, forms the frame structure of one thus.
At the back side of torque receiving plate 3, to shown in Figure 6, anchor plate 31 is arranged by rivet 32 fixed equipments as Fig. 3.This anchor plate 31 with in the actuator that is contained in the brake calipers link, can drive friction pad assembly 1A, 1B to the discal rotor advance and retreat.
On the face of link plate 5,6 sides of torque receiving plate 3,, be formed with and be used to rotate the chain link supporting portion 3a that the curve form that supports each link plate 5,6 freely is a concave structure in corresponding each link plate 5,6 mode of the position of center of gravity roughly.
On the other hand, be formed with single plate butt curved face part 35 at the roughly position of centre of gravity of each link plate 5,6, it is with the chain link supporting portion 3a butt that forms on torque receiving plate 3 and rotatably supported.In the situation of present embodiment, the recessed flexure plane that plate butt curved face part 35 forms with chain link supporting portion 3a rotates the male bend curved surface of butt freely.
In addition, in the situation of present embodiment, the plate butt curved face part 35 of the roughly position of centre of gravity of each link plate 5,6 is with torque receiving plate 3 butts and be rotated support freely, therefore, except that this plate butt curved face part 35, be formed with the gap of allowing rotation between the face of torque receiving plate 3 sides of link plate 5,6 and the torque receiving plate 3.
The backboard portion 22 of each liner assembly body 13 is as Fig. 5 and shown in Figure 6, in be formed centrally the chain link abutting part 22c of concave curve surface shape, and be formed with the card complex hole 22d that only rotates usefulness away from the central position.
Corresponding, as shown in Figure 5, on each link plate 5,6, possess: with the chain link abutting part 22c butt of backboard portion 22 and rotatably support a plurality of backboard butt curved face part 37 of this liner assembly body 13, with the card complex hole 22d trip embedding of backboard portion 22 and limit the rotation limitation part 38 of each liner assembly body 13 spinning movement.
In addition, on link plate 6, except that single plate butt curved face part 35 and a plurality of backboard butt curved face part 37, on the plate face, also run through open-work 39 the alleviating that is formed with suitable quantity with realization weight.
In the situation of present embodiment, backboard butt curved face part 37 forms chain link abutting part 22c and rotates the male bend curved surface of butt freely.Rotation limitation part 38 is that the tab that will extend to the end of link plate 5,6 forms to the bending of card complex hole 22d side.
In the friction pad assembly 1 of above-mentioned explanation, the position limit of the liner assembly body 13 on torque receiving plate 3 is with respect to the direction parallel with the discal rotor face of liner assembly body 13, the chimeric execution of the plate embedding part 22a by liner assembly body 13 and the 11a of pilot hole portion of guide plate 11, in addition, relatively and the direction of discal rotor face quadrature, implement by the chain link abutting part 22c of liner assembly body 13 and backboard butt curved face part 37 butts of link plate 5,6.
Therefore, during braking, the retarding torque that acts on the liner assembly body 13 is transmitted to guide plate 11, and directly transmits to the torque receiving plate 3 of fixing this guide plate 11.
In addition, push the pressing force self-torque receiving plate 3 of liner assembly body 13 to discal rotor, via the chain link supporting portion 3a of torque receiving plate 3 and the contacting part of link plate 5,6 plate butt curved face part 35, transmit to link plate 5,6, contacting part via the chain link abutting part 22c of the backboard butt curved face part 37 of link plate 5,6 and liner assembly body 13 acts on the liner assembly body 13.
Promptly, set respectively from liner assembly body 13 and accept the parts (guide plate 11) of retarding torque, the parts (link plate 5,6 and torque receiving plate 3) that pressing force is acted on liner assembly body 13, the contacting part that makes pressing force to the liner assembly body 13 of liner assembly body 13 effect and link plate 5,6, and the contacting part of link plate 5,6 and torque receiving plate 3 on, become the not effect of retarding torque of big load.
Therefore, each contacting part that transmits pressing force there is no need to bear the engagings securely such as spherical universal coupling of retarding torque, can realize that machining accuracy relaxes the reducing of the cost that brings, productive raising.
In addition, in the friction pad assembly 1 of above explanation, the reaction force that makes the pressing force of friction material 21 when discal rotor is pushed is when scope usually big or small, transmit via backboard butt curved face part 37, the plate butt curved face part 35 of each link plate 5,6 from liner assembly body 13, bear by torque receiving plate 3.But, when excessive reaction force is imported by discal rotor, each link plate 5,6 of making by punch process with take and torque receiving plate 3 between the mode in rotatable gap be out of shape, forcefully with torque receiving plate 3 butts.
Therefore, each link plate 5,6 makes neighbouring, each plate butt curved face part 35 of back side butt curved face part 37 contact with torque receiving plate 3, and excessive reaction force is transmitted to torque receiving plate 3, prevents the breakage of link plate 5,6 self simultaneously.
In addition, in the friction pad assembly 1 of above explanation, the external diameter of the anti-avulsion lip part 22b that will form in the backboard portion 22 of liner assembly body 13 is set at bigger than the external diameter of the 11a of pilot hole portion of guide plate 11, by blocking anti-avulsion lip part 22b, liner assembly body 13 can not come off from guide plate 11, even just in case leaf spring 24 breakages, liner assembly body 13 can not come off from guide plate 11 yet, can obtain high Security.
In addition, in order to prevent liner assembly body 13 coming off from guide plate 11, owing to do not append independently parts peculiar, the producibility that the cost that can avoid the part increase to cause rises and the increase of assembling procedure number causes reduces the generation of the irrational phenomenon of this class.
In addition, in the friction pad assembly 1 of above explanation, the transmission efficiency of the retarding torque when contacting with discal rotor in order to improve liner assembly body 13 is by in card complex hole 22d that forms in the backboard portion 22 of liner assembly body 13 and the chimeric rotation restriction of carrying out the liner assembly body 13 in the face parallel with the discal rotor face in prominent rotation limitation part 38 of establishing on the link plate 5,6.Promptly, independently parts peculiar is not appended in rotation restriction for the liner assembly body 13 in the face parallel with the discal rotor face, therefore, need not increase part for the rotation restriction of carrying out liner assembly body 13, thereby the producibility that the cost that can avoid the part increase to bring rises and the increase of assembling procedure number causes reduces the generation of this class un-reasonable phenomenon.
In addition, in the friction pad assembly 1 of above explanation, for a plurality of liner assembly bodies 13 are assisted the plane form that is set as side by side, but therefore the leaf spring 24 that disposes with the anti-avulsion lip part 22b that is clipped in liner assembly body 13 and the mode between the guide plate 11 can prevent to produce deviation on the contact of each liner assembly body 13 with respect to discal rotor owing to absorb liner assembly body 13 thickness direction tolerance of size.
Therefore, can not be subjected to the influence of the tolerance of size of liner assembly body 13 thickness directions, can keep stable braking characteristic.
In addition, in the friction pad assembly 1 of above explanation,, form the frame structure of one, thus, can obtain at an easy rate not because of frame structures that become flexible, firm such as vibrations by guide plate 11, liner 8 and torque receiving plate 3 usefulness rivets 28 are connected.
Below, disc-brake of the present invention other mode of execution with friction pad usefulness assembly body is described.
Fig. 9 is the exploded perspective view of the friction pad assembly for disk brake of other mode of execution, Figure 10 be with the corresponding present embodiment of Fig. 5 shown in front the mode of execution in sectional drawing.In addition, because this mode of execution is the shape difference of torque receiving plate 3, other are structures identical with the mode of execution of front, so for the identical symbol of mark that exists together mutually, omit explanation.
Like this, by with torque receiving plate 3A and insert integralization, part number can reduce, and realizes that cost reduces, and assembling performance also is improved simultaneously, is suitable for batch processization.
In addition, in the above-described embodiment that liner and torque receiving plate is integrally formed, but in addition also can be integrally formed with guide plate, and with torque receiving plate and the outstanding formation of guide plate both sides one.
Figure 11 is the exploded perspective view of other other mode of execution of expression friction pad assembly for disk brake of the present invention.
In this embodiment, link plate and liner assembly body and prior figures 9, mode of execution part structure shown in Figure 10 are different.Because its other structure is identical, so to existing together mutually, partly mark same-sign and omitting explanation.
Link plate 5A, 6A stride a plurality of liner assembly body 13A and are equipped with, and make the pressing force of self-torque receiving plate 3 to act on these liner assembly bodies 13A.
Roughly position of centre of gravity at each link plate 5A, 6A is formed with and chain link supporting portion 3a butt that forms in torque receiving plate 3 and the single plate butt curved face part 35 that is rotatably supported.In the situation of present embodiment, plate butt curved face part 35 form rotation freely with the male bend curved surface of the recessed flexure plane butt of chain link supporting portion 3a.
In addition, on each link plate 5A, 6A, possess: with backboard portion 22 butts and rotatably support this liner assembly body 13A a plurality of backboard butt curved face part 37, with a pair of rotation limitation part 38 of the card complex hole 22d of backboard portion 22 trip embedding and restriction liner assembly body 13A spinning movement.
Backboard butt curved face part 37 forms liner assembly body 13A and rotates the male bend curved surface of butt freely.A pair of rotation limitation part 38 is to extend to the tab of end of link plate 5A, 6A respectively to the structure of liner assembly body 13A side bending.
In addition, on link plate 5A, 6A, except that single plate butt curved face part 35 and a plurality of backboard butt curved face part 37, on the plate face, also run through the open-work 39 that forms suitable quantity, thereby realize its weight saving.
In addition, in the backboard portion 22 of liner assembly body 13A, at the only rotation card complex hole 22d of a pair of rotation limitation part 38 trip embeddings that are formed with link plate 5A, 6A away from the central position respectively.
In the situation of present embodiment, only be formed with a pair of card complex hole 22d in the backboard portion 22.That is, omitted the chain link abutting part 22c (with reference to Fig. 6, Fig. 9) of the concave curve surface shape of representing in each mode of execution of front.Therefore, the backboard butt curved face part 37 of link plate 5A, 6A and the plane butt of backboard portion 22, even constitute like this, link plate 5A, 6A also can rotatably support liner assembly body 13A.
In addition, in the above-described embodiment, the backboard butt curved face part 37 of link plate 5A, 6A make the male bend curved surface and with smooth backboard portion 22 butts, but it is opposite, also can make following structure, that is, link plate be made smooth face, the backboard portion of the chain link abutting part by being formed with the male bend curved surface or the face integral body of link plate side made the backboard portion and the link plate butt of male bend curved surface rotatably supports the liner assembly body.
Understand the present invention in detail with reference to specific mode of execution, but only otherwise break away from spirit and scope of the invention, can increase various changes and correction that this is to the practitioner and opinion is clear and definite.
The application quotes as reference at this according to the Japanese patent application (spy is willing to 2006-290341) of application on October 25th, 2006, the Japanese patent application (spy is willing to 2007-260174) of application on October 3rd, 2007.
Utilizability on the industry
According to friction pad assembly of the present invention, act on retarding torque on the liner assembly body during braking to the guide plate transmission, and then directly to the torque receiving plate transmission that is fixed with guide plate.
In addition, push the pressing force self-torque receiving plate of liner assembly body to discal rotor, contacting part via the plate butt curved face part of the chain link supporting portion of torque receiving plate and link plate, to the link plate transmission, act on the liner assembly body via the contacting part of the chain link abutting part of the backboard butt curved face part of link plate and liner assembly body.
Promptly, set respectively from the liner assembly body and accept the parts of retarding torque and make pressing force act on the parts of liner assembly body, make pressing force act on the liner assembly body of liner assembly body and link plate contacting part, and the contacting part of link plate and torque receiving plate on, become the not effect of retarding torque of big load.
Therefore, each contacting part that transmits pressing force need not be accepted the engagings securely such as spherical universal coupling of retarding torque, can realize relaxing the reducing of the cost that brings, productive raising by machining accuracy.
Claims (4)
1. friction pad assembly for disk brake, the guide plate rotation of the sustained retarding torque of its a plurality of liner assembly bodies is supported freely, and described liner assembly body is pushed to discal rotor,
It is characterized in that, the backboard portion at the back side that is bonded in friction material, described liner assembly body comprises: the plate embedding part, its outer circumferential face rotation is entrenched in the pilot hole portion freely, and this pilot hole portion is arranged on the described guide plate; And the anti-avulsion lip part, its external diameter is bigger than described pilot hole portion,
Wherein,, insert from the back side of described guide plate and to be installed in described pilot hole portion, make this bridle between described guide plate and described anti-avulsion lip part the chimeric leaf spring that is fastened on described plate embedding part,
Wherein, the retarding torque that will when discal rotor contacts with friction material, act on from the described embedding part of pulling to described guide plate transmission,
Wherein, between torque receiving plate and described backboard portion, a plurality of link plates are set, this torque receiving plate is bonded on the described guide plate in the mode that leaves the gap with respect to described backboard portion, these a plurality of link plates are configured to ride a plurality of liner assembly bodies, be used to make the pressing force of self-torque receiving plate to act on these liner assembly bodies, and
Wherein, each described link plate possesses: single plate butt curved face part, and the chain link supporting portion butt of itself and described torque receiving plate is also rotatably supported thereon; A plurality of backboard butt curved face part, it is in the center of the backboard portion of liner assembly body, with each chain link abutting part butt, rotatably to support the liner assembly body; And the rotation limitation part, its trip is embedded among formed each card complex hole in position away from the backboard portion center of each liner assembly body, to limit the spinning movement of each liner assembly body.
2. friction pad assembly for disk brake as claimed in claim 1, it is characterized in that, described guide plate and torque receiving plate butt, between this guide plate and torque receiving plate, accompany liner, and by guide plate and torque receiving plate being utilized rivet connect, and form the frame structure of one.
3. friction pad assembly for disk brake as claimed in claim 2 is characterized in that, described liner and described torque receiving plate or described guide plate any one forms at least.
4. as each described friction pad assembly for disk brake in the claim 1～3, it is characterized in that, surpass the pushing scope of regulation and when importing, the face and the described torque receiving plate of near the torque receiving plate side the described plate butt curved face part of described link plate and the backboard butt curved face part connect at the reaction force of the friction material of the described liner assembly body of pushing discal rotor.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006290341 | 2006-10-25 | ||
| JP290341/2006 | 2006-10-25 | ||
| JP2007260174A JP5076177B2 (en) | 2006-10-25 | 2007-10-03 | Friction pad assembly for disc brake |
| JP260174/2007 | 2007-10-03 | ||
| PCT/JP2007/070574 WO2008050728A1 (en) | 2006-10-25 | 2007-10-22 | Friction pad assembly for disk brake |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110144736.2A Division CN102287462B (en) | 2006-10-25 | 2007-10-22 | Friction pad assembly for disk brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101529114A CN101529114A (en) | 2009-09-09 |
| CN101529114B true CN101529114B (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800396647A Active CN101529114B (en) | 2006-10-25 | 2007-10-22 | Friction pad assembly for disk brake |
Country Status (2)
| Country | Link |
|---|---|
| JP (4) | JP4938898B2 (en) |
| CN (1) | CN101529114B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5512337B2 (en) * | 2010-03-11 | 2014-06-04 | 新日鐵住金株式会社 | Brake lining for railway vehicles |
| JP5985859B2 (en) | 2012-04-05 | 2016-09-06 | 曙ブレーキ工業株式会社 | Friction pad assembly for disc brake |
| JP6041746B2 (en) * | 2013-04-18 | 2016-12-14 | 曙ブレーキ工業株式会社 | Friction pad assembly for disc brake |
| JP6434795B2 (en) * | 2014-12-09 | 2018-12-05 | 曙ブレーキ工業株式会社 | Friction pad assembly for disc brake |
| KR102107642B1 (en) * | 2015-12-25 | 2020-05-28 | 닛폰세이테츠 가부시키가이샤 | Brake linings for railroad cars and disc brakes equipped with them |
| JP2019019959A (en) * | 2017-07-21 | 2019-02-07 | 曙ブレーキ工業株式会社 | Friction pad assembly for disc brake |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538108A (en) * | 1993-04-05 | 1996-07-23 | Frendo S.P.A. | Pad for disc brakes with sintered friction elements |
| EP1679452A1 (en) * | 2005-01-10 | 2006-07-12 | Cofren S.r.L. | Disc brake pad for railway vehicles with special arrangement of resiliently attached friction elements. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4634271Y1 (en) * | 1966-11-21 | 1971-11-26 | ||
| DE3317913A1 (en) * | 1983-05-17 | 1984-11-22 | Knorr-Bremse GmbH, 8000 München | BRAKE PAD CARRIER FOR PARTIAL PAD DISC BRAKES |
| DE3517469A1 (en) * | 1984-05-10 | 1985-11-14 | Dieter Dipl.-Ing. Krause | Brake element for a bicycle rim brake |
| JPS62114226A (en) * | 1985-11-14 | 1987-05-26 | Fujitsu Ltd | Ion beam exposure equipment |
| JPS62114226U (en) * | 1986-01-10 | 1987-07-21 | ||
| JP2588175Y2 (en) * | 1993-05-28 | 1999-01-06 | 株式会社曙ブレーキ中央技術研究所 | Brake mounting structure for railcar brakes |
| DE19823016C1 (en) * | 1998-05-22 | 1999-12-02 | Wabco Perrot Bremsen Gmbh | Disc brake for a land vehicle |
| DE19840065A1 (en) * | 1998-09-03 | 2000-03-23 | Knorr Bremse Systeme | Elastic brake body |
| DE19936394B4 (en) * | 1999-08-03 | 2004-07-29 | Wabco Perrot Bremsen Gmbh | disc brake |
| GB0106357D0 (en) * | 2001-03-13 | 2001-05-02 | Federal Mogul Friction Product | Friction pad |
| JP4206275B2 (en) * | 2003-01-16 | 2009-01-07 | 曙ブレーキ工業株式会社 | Disc brakes for railway vehicles |
| JP4638248B2 (en) * | 2005-01-25 | 2011-02-23 | ナブテスコ株式会社 | Disc pad |
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2007
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- 2011-03-15 JP JP2011056933A patent/JP4938898B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538108A (en) * | 1993-04-05 | 1996-07-23 | Frendo S.P.A. | Pad for disc brakes with sintered friction elements |
| EP1679452A1 (en) * | 2005-01-10 | 2006-07-12 | Cofren S.r.L. | Disc brake pad for railway vehicles with special arrangement of resiliently attached friction elements. |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011141037A (en) | 2011-07-21 |
| CN101529114A (en) | 2009-09-09 |
| JP4938898B2 (en) | 2012-05-23 |
| JP5239094B2 (en) | 2013-07-17 |
| JP2012145228A (en) | 2012-08-02 |
| JP2012145229A (en) | 2012-08-02 |
| JP4980472B2 (en) | 2012-07-18 |
| JP2011117612A (en) | 2011-06-16 |
| JP5239093B2 (en) | 2013-07-17 |
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