CN104912970B - Disc type brake brake lining used for rail vehicle - Google Patents
Disc type brake brake lining used for rail vehicle Download PDFInfo
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- CN104912970B CN104912970B CN201510269214.3A CN201510269214A CN104912970B CN 104912970 B CN104912970 B CN 104912970B CN 201510269214 A CN201510269214 A CN 201510269214A CN 104912970 B CN104912970 B CN 104912970B
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Abstract
A kind of disc type brake brake lining used for rail vehicle, including substrate and two groups of friction components being symmetrically arranged on substrate, substrate is mounted on a brake lining clamping plate, each group friction component includes three universal pallets, there are three friction means for installation on each universal pallet, each universal pallet and the universal cooperation of substrate, each friction means and the universal cooperation of universal pallet, friction means are connected with connection axis pin, connection axis pin is connect with substrate elastic floating, corresponded on brake lining clamping plate each group friction component be all provided with there are one the clamping force boss that offsets with substrate；The centre of sphere of three the second concave spherical surfaces connects orthographic projection of the centre of sphere of the triangle core to be formed and the first convex spherical on brake lining clamping plate and overlaps on same universal pallet, and the centre of sphere of three the first convex sphericals connects the orthographic projection of the triangle core to be formed and clamping force boss on brake lining clamping plate and overlaps in same group of friction component.The present invention has many advantages, such as that perfect heat-dissipating, even wearing, fever is balanced, braking ability is good, service life is long.
Description
Technical field
The present invention relates to Vehicular brake device technical fields, and in particular to a kind of disc type brake brake lining used for rail vehicle.
Background technology
When high-speed train braking, damper brake pincers push brake pad to be fitted on the rubbing surface of brake disc and rub, with
This come consume bullet train generation huge kinetic energy.In braking process, the huge kinetic energy of bullet train is converted into thermal energy, from
And brake pad and brake disc is caused to generate high temperature.Critical component of the disc type brake brake lining as high-speed train braking, is not only wanted
Ask the wear-resisting brake pad of brake lining, high temperature resistant, low noise, and brake pad self structure to have good heat-conductive characteristic and
Heat dissipation performance；Rubbing surface fitting simultaneously wants balanced and fitting area is made to maximize, it is ensured that friction material abrasion is consistent, fever is equal
It is even, the problems such as avoiding the occurrence of fire check, localized hyperthermia, ensure the service life and braking effect of brake pad.
Invention content
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art, provides a kind of perfect heat-dissipating, mill
Damage is uniformly, fever is balanced, braking ability is good, brake pad used for rail vehicle with long service life.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of disc type brake brake lining used for rail vehicle, including substrate and two groups of friction components being symmetrically arranged on substrate,
The substrate is mounted on a brake lining clamping plate, and each group friction component includes three universal pallets, is installed on each universal pallet
There are three friction means, each universal pallet is equipped with the first convex spherical, and substrate is equipped with realizes universal tune with the cooperation of the first convex spherical
The first whole concave spherical surface, each friction means are equipped with the second convex spherical, and universal pallet is equipped with realizes ten thousand with the cooperation of the second convex spherical
To the second concave spherical surface of adjustment, the friction means are connected with connection axis pin, and the connection axis pin runs through the second concave spherical surface bottom
First through hole connect with substrate elastic floating, corresponded on the brake lining clamping plate each group friction component be all provided with there are one and substrate
The clamping force boss to offset；The centre of sphere of three the second concave spherical surfaces connects the triangle core to be formed and first on same universal pallet
Orthographic projection of the centre of sphere of convex spherical on brake lining clamping plate overlaps, and the centre of sphere of three the first convex sphericals connects in same group of friction component
The orthographic projection of the triangle core to be formed and clamping force boss on brake lining clamping plate is connect to overlap.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the bottom of second concave spherical surface and the second convex spherical
Between be equipped with cavity.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the friction means include backboard and sintering adhesive bonding in
Brake pad on backboard, the backboard are equipped with jog and the second through-hole through the jog, and second convex spherical is set
In on the convex surface of jog, the connection axis pin is arranged in the second through-hole and first through hole, and the one end for connecting axis pin is equipped with position
Limit head in the concave portion of jog, the other end for connecting axis pin are connect with substrate elastic floating；The backboard and
The end face for limiting head concordantly forms a connection plane, and the brake pad sintering adhesive bonding is in the connection plane, the limit
Head is equipped with positioning convex platform, and the brake pad is equipped with the location hole being sheathed on the positioning convex platform.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the end face of the backboard is equipped with elongated hole, described to rub
Cleaning block is equipped with the extension extended in elongated hole.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the substrate is equipped with installation through-hole, the connection axis pin
It is connect through the installation through-hole and by elastic spacing component with substrate elastic floating；The elastic spacing component includes leg section
Two elastic card socket parts being connect with leg section, the leg section offset with substrate, and two flexible clamping portions are arranged in respectively
In two card slots for connecting axis pin both sides, the leg section and two elastic card socket parts on the axis direction for connect axis pin there are
Spacing.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that opposite with friction means on the substrate to set on one side
There are two L-type block reinforcements, the both sides that two L-type block reinforcements are divided into substrate to form a T-slot, the T-slot of the substrate is placed on brake lining
It is connected and fixed on clamping plate and by positioning pin and brake lining clamping plate.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the substrate is in semi-circular, on semi-circular substrate with rub
It wipes the opposite one side of component and is equipped with straight slot and multiple heat dissipation ventilation holes, the straight slot is arranged along the line of symmetry of substrate, the straight slot
Bottom be equipped with through substrate the second through hole.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the bottom of first concave spherical surface is equipped with through substrate
Anti-shearing through-hole, first convex spherical, which is equipped with, is inserted in anti-shearing boss in the anti-shearing through-hole；The substrate
Equipped with shearing resistance positioning through hole, the universal pallet is equipped with the shearing resistance positioning convex platform being inserted in the shearing resistance positioning through hole.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that the universal pallet it is opposite with the second convex spherical one
Face is equipped with heat sink hole, and multiple radiating ribs are equipped in the heat sink hole.
Above-mentioned disc type brake brake lining used for rail vehicle, it is preferred that in any group of friction component, along substrate edge arrangement
Friction means are heptagon, and it is hexagon or heptagon to be located at the friction means in the middle part of substrate.
Compared with the prior art, the advantages of the present invention are as follows：In the disc type brake brake lining used for rail vehicle of the present invention, brake lining
Clamping plate is offseted by clamping force boss and substrate and transmits clamping force, makes the contact surface of brake lining clamping plate and clamping force boss significantly
Reduce, reduces the transmission of heat between brake lining clamping plate and clamping force boss, and the heat dissipation between substrate and brake lining clamping plate
Space increases, and is conducive to the radiating and cooling of brake pad.Meanwhile the centre of sphere of three the second concave spherical surfaces connects shape on same universal pallet
At orthographic projection of the centre of sphere on brake lining clamping plate of triangle core and the first convex spherical overlap, three in same group of friction component
The centre of sphere of a first convex spherical connects the orthographic projection of the triangle core to be formed and clamping force boss on brake lining clamping plate and overlaps,
What this kind of structure can ensure the clamping force uniform balance that clamping force boss is applied on substrate is transferred to each friction means, makes institute
There are friction means to be capable of being fitted on the rubbing surface of brake disc of uniform and stable, makes brake pad the maximum friction area the case where
Lower uniform scratch braking not only ensure that good braking ability, but also the even wearing of friction means, fever equilibrium, can
The malicious influences for avoiding thermal stress, fire check improve the service life of brake pad.The brake pad makes in various severe
With the stability of equal energy retention property under environment.
Description of the drawings
Fig. 1 is the main structure diagram of present invention disc type brake brake lining used for rail vehicle.
Fig. 2 is the backsight structural representation of present invention disc type brake brake lining used for rail vehicle.
Fig. 3 is that friction component is installed to the broken section structural schematic diagram on substrate in the present invention.
Fig. 4 is the main structure diagram of brake lining clamping plate in the present invention.
Fig. 5 is the schematic cross-sectional view that substrate fills clip board engagement with brake lining in the present invention.
Fig. 6 is distribution schematic diagram of the friction means on substrate in the present invention.
Fig. 7 is brake pad shearing force stressing conditions schematic diagram in the present invention.
Fig. 8 is the main structure diagram of universal pallet in the present invention.
Fig. 9 is the broken section structural schematic diagram of universal pallet in the present invention.
Figure 10 is the backsight structural representation of hexagon friction means in the present invention.
Figure 11 is A-A schematic cross-sectional views in Figure 10.
Figure 12 is the backsight structural representation of heptagon friction means in the present invention.
Figure 13 is the dimensional structure diagram of elastic limiting component in the present invention.
Marginal data：
1, substrate；11, the first concave spherical surface；12, L-type block reinforcement；13, straight slot；14, heat dissipation ventilation hole；15, the second through hole；
16, counterbore；17, anti-shearing through-hole；18, shearing resistance positioning through hole；19, installation through-hole；2, brake lining clamping plate；21, clamping force boss；
3, universal pallet；31, the first convex spherical；32, the second concave spherical surface；321, recessed hole；33, first through hole；34, cavity；35, shearing resistance
Cut boss；36, shearing resistance positioning convex platform；37, radiating ribs；38, heat sink hole；4, friction means；41, the second convex spherical；42, it connects
Axis pin；421, head is limited；422, positioning convex platform；43, backboard；431, jog；432, the second through-hole；433, elongated hole；44,
Brake pad；441, location hole；442, extension；5, elastic spacing component；51, leg section；52, elastic card socket part.
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 5, disc type brake brake lining used for rail vehicle of the invention, including substrate 1 and it is installed on substrate 1
On two groups of friction components, substrate 1 be mounted on a brake lining clamping plate 2 on, two groups of friction components are arranged symmetrically on substrate 1, respectively
Group friction component includes three universal pallets 3, and there are three friction means 4, each universal pallet 3 to set for installation on each universal pallet 3
There is the first convex spherical 31, substrate 1 is equipped with the first concave spherical surface 11 that universal adjustment is realized with the cooperation of the first convex spherical 31, each to rub
Component 4 is equipped with the second convex spherical 41, and universal pallet 3 is equipped with the second recessed ball that universal adjustment is realized with the cooperation of the second convex spherical 41
Face 32, friction means 4 are connected with connection axis pin 42, and connection axis pin 42 runs through the first through hole 33 and base of 32 bottom of the second concave spherical surface
1 elastic floating of plate connects, and friction means 4 can be relative to universal pallet under the cooperation of the second convex spherical 41 and the second concave spherical surface 32
Universal adjust automatically on 3, universal pallet 3 can be dynamic relative to substrate 1 under the cooperation of the first convex spherical 31 and the first concave spherical surface 11
Universal adjust automatically, to realize the dual adjustment of brake lining.It is corresponded on brake lining clamping plate 2 there are one each group friction component is all provided with
The clamping force boss 21 to offset with substrate 1；The centre of sphere of three the second concave spherical surfaces 32 connects the triangle to be formed on same universal pallet 3
Orthographic projection of the centre of sphere of shape center of gravity and the first convex spherical 31 on brake lining clamping plate 2 overlaps, three the in same group of friction component
The centre of sphere of one concave spherical surface 11 connects the orthographic projection weight of the triangle core to be formed and clamping force boss 21 on brake lining clamping plate 2
It closes.Namely the triangle core and ten thousand connected into mounted on the movement centre of sphere by three friction means 4 on a universal pallet 3
It is overlapped on clamping force direction to the movement centre of sphere of pallet 3, the triangle core that the movement centre ofs sphere of three universal pallets 3 connects into
With clamping force applying zone（The region that clamping force boss 21 and substrate 1 contact）It is overlapped on clamping force direction, ensures braking
In the process, the clamping force acted on each friction means 4 is consistent.
In the disc type brake brake lining used for rail vehicle, brake lining clamping plate 2 is offseted transmission by clamping force boss 21 and substrate 1
Clamping force makes brake lining clamping plate 2 and the contact surface of clamping force boss 21 greatly reduce, and reduces brake lining clamping plate 2 and clamping force is convex
The transmission of heat between platform 21, and the heat-dissipating space between substrate 1 and brake lining clamping plate 2 increases, and is conducive to dissipating for brake pad
Heat drop temperature.Meanwhile the centre of sphere of three the second concave spherical surfaces 32 connects the triangle core to be formed and first convex on same universal pallet 3
Orthographic projection of the centre of sphere of spherical surface 31 on brake lining clamping plate 2 overlaps, the ball of three the first convex sphericals 31 in same group of friction component
The heart connects the orthographic projection of the triangle core to be formed and clamping force boss 21 on brake lining clamping plate 2 and overlaps, this kind of structure can
Ensure that clamping force boss 21 is applied to the clamping force on substrate 1（Arrow in Fig. 5 indicates clamping force）Uniform balance is transferred to
Each friction means 4 enable being fitted on the rubbing surface of brake disc for 4 uniform and stable of all friction means, brake pad are made to exist
Uniform scratch is braked in the case of maximum friction area, not only ensure that good braking ability, but also the abrasion of friction means 4
Uniformly, fever is balanced, can avoid the malicious influences of thermal stress, fire check, improve the service life of brake pad.The braking
The stability of brake lining equal energy retention property under various severe use environments.
In the present embodiment, as shown in Figure 10 and Figure 11, friction means 4 include backboard 43 and sintering adhesive bonding on backboard 43
Brake pad 44, backboard 43 are equipped with jog 431 and the second through-hole 432 through jog 431, and the second convex spherical 41 is set to bumps
On the convex surface in portion 431, connection axis pin 42 is arranged in the second through-hole 432 and first through hole 33, and one end of connection axis pin 42 is equipped with
The other end on the limit head 421 in the concave portion of jog 431, connection axis pin 42 is connect with 1 elastic floating of substrate；
Backboard 43 is concordant with the limit end face on head 421 to form a connection plane, and 44 sintering adhesive bonding of brake pad is limited in connection plane
Head 421 is equipped with positioning convex platform 422, and brake pad 44 is equipped with the location hole 441 being sheathed on positioning convex platform 422.Positioning convex platform
422 height is less than minimized friction residual altitude as defined in brake pad 44, ensures the service life for not influencing brake pad 44.Pass through
Positioning convex platform 422 is set on limit head 421, the location hole 441 of brake pad 44 is sheathed on the positioning convex platform 422, can
The anti-shear ability of brake pad 44 is greatly improved, brake pad 44 is effectively avoided to be cut away, ensures the reliability of braking；And
On backboard 43 during sintering adhesive bonding brake pad 44, will directly it be placed on positioning convex platform 422 i.e. after the completion of friction material die mould
Accurate positionin can be formed, not will produce mobile dislocation in sintering process, operation difficulty can be substantially reduced, improve sintering efficiency,
And it is easy to ensure sintering quality and sintering qualification rate.
Further, it is set on the end face of backboard 43 there are three elongated hole 433, three elongated holes 433 are in irregular point, respectively
Elongated hole 433 is the through-hole through backboard 43, and brake pad 44 is equipped with the extension 442 extended in elongated hole 433, passes through extension
The cooperation in portion 442 and elongated hole 433 can further improve the anti-shear ability of brake pad 44.Certainly, elongated hole on backboard 43
433 quantity can also be other quantity, and the size of each elongated hole 433 can not also be consistent.
Will rub sinter brake pad 44 into when, by friction material die mould and formed it is consistent with 422 shape of positioning convex platform
Friction material after die mould is placed on positioning convex platform 422 by location hole 441, and it is accurate fixed to make to be formed between backboard 43 and friction material
The problem of position, mobile dislocation will not occur for when sintering, after backboard 43 and friction material sinters are integral, friction material can extend to
Extension 442 is formed in elongated hole 433 on backboard 43.
In the present embodiment, substrate 1 is equipped with installation through-hole 19, and connection axis pin 42 is limited through the installation through-hole 19 and by elasticity
Position component 5 is connect with 1 elastic floating of substrate；Elastic spacing component 5 includes leg section 51 and two bullets being connect with leg section 51
Property clamping portion 52, leg section 51 offsets with substrate 1, and two elastic card socket parts 52 are arranged in two of 42 both sides of connection axis pin respectively
In card slot, there are spacing on the axis direction for connecting axis pin 42 with two elastic card socket parts 52 for leg section 51.To make connection
Axis pin 42 can elastic floating in an axial direction.Each elastic spacing component 5 is corresponded on substrate 1 is respectively equipped with a counterbore 16, each elasticity
Limiting component 5 is installed in corresponding counterbore 16, without departing from the surface of substrate 1, will not interfere the assembly of brake pad.Elasticity limit
The structure of position component 5 is as shown in figure 13, and wire can be used and be bent into, not only easy to make and easy to disassemble.
In the present embodiment, substrate 1 is in semi-circular, and the one side opposite with friction means 4 is equipped with straight slot 13 on semi-circular substrate 1
With multiple heat dissipation ventilation holes 14, straight slot 13 arranges that the bottom of straight slot 13 is equipped with the second of through substrate 1 along the line of symmetry of substrate 1
Through hole 15.Heat dissipation ventilation hole 14 can reinforce the flowing of air, to take away the heat generated in brake pad braking process, show
Write the heat dissipation performance for improving brake pad.Straight slot 13 arranges that the bottom of straight slot 13, which is equipped with, runs through substrate 1 along the line of symmetry of substrate 1
Through-hole, which is conducive to the heat dissipation at 1 symmetrical shaft position of substrate, can reduce the temperature at the position, while can also drop
Rigidity at 1 symmetrical shaft position of low substrate is conducive to substrate 1 and generates flexible deformation when by force effect is clamped, promotes damper brake
Piece effectively fits in brake disc.
The one side opposite with friction means 4 is equipped with two L-type block reinforcements 12 on substrate 1, and two L-type block reinforcements 12 are divided into substrate
1 both sides and arc-shaped arrangement form a T-slot between two L-type block reinforcements 12, and brake lining clamping plate 2 is also in half ring-like, is plugged
In T-slot, then positioned by positioning pin.When substrate 1 is installed on brake lining clamping plate 2, substrate 1 is along T-slot
Direction sliding sleeve is on brake lining clamping plate 2, and brake lining clamping plate 2 is coordinated with T-slot using small―gap suture, then in substrate 1 and brake lining clamping
It is inserted into positioning pin in the dowel hole opened in advance on plate 2, is fixed brake pad by the position-limiting action of T-slot and positioning pin, it should
Kind mounting means is easy to operate, convenient disassembly is quick, can greatly shorten maintenance time, the work for reducing maintenance personal is strong
Degree improves maintenance efficiency.Half ring-like substrate 1 is axially symmetric structure, can meet the installation of left and light brake clamping plate 2 on chip simultaneously,
Make brake pad that there is very high versatility.
As shown in fig. 6, when braking, brake clamp drives brake lining clamping plate 2 together with brake pad to the system of bullet train
Moving plate（Take turns brake disc and/or axis brake disc）It clamps.In clamping process, the clamping force boss 21 on brake lining clamping plate 2 pushes up always
The corresponding region of tight semi-circular substrate 1 is symmetrically applied to semi-circular substrate 1 to which clamping force F1 is divided into two parts up and down
On, apply the region that clamping force region just contacts for clamping force boss 21 with substrate 1.The clamping being applied on semi-circular substrate 1
Power F1 is passed on universal pallet 3 with needing uniform balance（Clamping force F2 on universal pallet 3）, then it is uniform by universal pallet 3
(the clamping force F3 on friction means 4) is evenly passed on each friction means 4, is pasted with finally making 4 uniform and stable of friction means
It closes on the rubbing surface of brake disc, carries out friction catch.
In braking process, high-speed rotating brake disc shears brake pad, generates powerful shearing force, at this point,
The lateral surface of brake lining clamping plate 2 and the L-type block reinforcement 12 in 1 outside of semi-circular substrate fit closely, the lateral surface pair of brake lining clamping plate 2
The L-type block reinforcement 12 in 1 outside of semi-circular substrate applies a reaction force and is used for resisting shearing force, as shown in fig. 7, Z1 indicates wheel
Rotation direction, Z2 indicate that brake pad movement tendency, F4 indicate the shearing force suffered by substrate 1.L-type block reinforcement 12 uses arc-shaped knot
Structure, it is stronger to bear load capacity, and stress is evenly reasonable, can effectively resist shearing force, and braking process high speed is avoided to revolve
Failure by shear of the brake disc turned to brake pad structure.
In the present embodiment, cavity 34 is equipped between the bottom of the second concave spherical surface 32 and the second convex spherical 41.Particular by
One recessed hole 321 is set in the bottom of the second concave spherical surface 32, the second convex spherical 41 is formed after being bonded with the second concave spherical surface 32 should
Cavity 34, the cavity 34 can reduce the heat that friction means 4 are transmitted to universal pallet 3, at the same increase friction means 4 with it is universal
Air circulation between pallet 3 is conducive to the heat dissipation drop of friction means 4 and universal pallet 3 so as to take away a large amount of heat
Temperature.
In the present embodiment, the bottom of the first concave spherical surface 11 is equipped with the anti-shearing through-hole 17 of through substrate 1, the first convex spherical 31
It is equipped with the anti-shearing boss 35 being inserted in anti-shearing through-hole 17, the cooperation of anti-shearing through-hole 17 and anti-shearing boss 35 can
To the shearing force of universal pallet 3 when bearing to brake, the anti-shear performance of universal pallet 3 is substantially increased；Substrate 1 is fixed equipped with shearing resistance
Position through-hole 18, universal pallet 3 are equipped with the shearing resistance positioning convex platform 36 being inserted in shearing resistance positioning through hole 18, shearing resistance positioning through hole 18
Positioning action is not only acted as with the cooperation of shearing resistance positioning convex platform 36, also can further improve the anti-shear performance of universal pallet 3.
In the present embodiment, as shown in Figure 8 and Figure 9, it is recessed that the one side opposite with the second convex spherical 41 of universal pallet 3 is equipped with heat dissipation
Hole 38, the interior radiating ribs 37 for being equipped with multiple protrusions of heat sink hole 38, multiple radiating ribs 37 are evenly distributed on 38 surrounding of heat sink hole,
The heat that friction means 4 transmit can be effectively dispersed into air by radiating ribs 37 and heat sink hole 38, be more favorable for radiating
Cooling.
In the present embodiment, in any group of friction component, the friction means 4 along 1 edge of substrate arrangement are heptagon（Referring to figure
1 and Figure 12）, the friction means 4 for being located at 1 middle part of substrate are hexagon（Referring to Fig. 1 and Figure 10）, using heptagon and hexagon two
The friction means 4 of kind shape, the friction area of bigger is ensured conducive to assembly.In other embodiments, all friction means 4 can be complete
Portion is conducive to manufacturing for friction means 4 in this way using hexagon or all using heptagon, saves production cost.
In order to ensure that the smoothness of brake pad self-adjusting campaign, the surface of universal pallet 3 are coated with antiseptic and rustproof plating successively
Layer（Internal layer）And lubrication coating（Outer layer）, antiseptic and rustproof coating can prevent 3 corrosion of universal pallet, avoid influencing damper brake
The performance of piece, and lubrication coating can improve the adjustment campaign smoothness of friction means 4 and universal pallet 3, while noise is reduced,
The lubrication coating preferred dry powder lubricant.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.To those of ordinary skill in the art, obtained improvement and change in the case where not departing from the technology of the present invention concept thereof
It changes and also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of disc type brake brake lining used for rail vehicle, including substrate（1）It is symmetrically arranged on substrate with two groups（1）On friction group
Part, the substrate（1）Mounted on a brake lining clamping plate（2）On, each group friction component includes three universal pallets（3）, Mei Gewan
To pallet（3）There are three friction means for upper installation（4）, each universal pallet（3）Equipped with the first convex spherical（31）, substrate（1）On set
Have and the first convex spherical（31）The first concave spherical surface of universal adjustment is realized in cooperation（11）, each friction means（4）Equipped with the second convex ball
Face（41）, universal pallet（3）It is equipped with and the second convex spherical（41）The second concave spherical surface of universal adjustment is realized in cooperation（32）, described
Friction means（4）It is connected with connection axis pin（42）, the connection axis pin（42）Through the second concave spherical surface（32）The first of bottom is logical
Hole（33）With substrate（1）Elastic floating connects, it is characterised in that：The brake lining clamping plate（2）Upper corresponding each group friction component is equal
If there are one and substrate（1）The clamping force boss to offset（21）, brake lining clamping plate（2）Pass through clamping force boss（21）With substrate
（1）It offsets and transmits clamping force；Same universal pallet（3）Upper three the second concave spherical surfaces（32）The centre of sphere connect the triangle weight to be formed
The heart and the first convex spherical（31）The centre of sphere in brake lining clamping plate（2）On orthographic projection overlap, three the in same group of friction component
One convex spherical（31）The centre of sphere connect the triangle core to be formed and clamping force boss（21）In brake lining clamping plate（2）On positive throwing
Shadow overlaps.
2. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：Second concave spherical surface（32）
Bottom and the second convex spherical（41）Between be equipped with cavity（34）.
3. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：The friction means（4）Packet
Include backboard（43）With sintering adhesive bonding in backboard（43）On brake pad（44）, the backboard（43）Equipped with jog（431）With pass through
Wear the jog（431）The second through-hole（432）, second convex spherical（41）Set on jog（431）Convex surface on, institute
State connection axis pin（42）It is arranged in the second through-hole（432）And first through hole（33）In, connect axis pin（42）One end be equipped be located at
Jog（431）Concave portion in limit head（421）, connect axis pin（42）The other end and substrate（1）Elastic floating
Connection；The backboard（43）With limit head（421）End face concordantly formed one connection plane, the brake pad（44）Sintering is viscous
It is connected in the connection plane, the limit head（421）It is equipped with positioning convex platform（422）, the brake pad（44）Equipped with set
Set on the positioning convex platform（422）On location hole（441）.
4. disc type brake brake lining used for rail vehicle according to claim 3, it is characterised in that：The backboard（43）End face
It is equipped with elongated hole（433）, the brake pad（44）Equipped with extending to elongated hole（433）Interior extension（442）.
5. disc type brake brake lining used for rail vehicle according to claim 3, it is characterised in that：The substrate（1）Equipped with peace
Fill through-hole（19）, the connection axis pin（42）Through the installation through-hole（19）And pass through elastic spacing component（5）With substrate（1）Bullet
Property floating connection；The elastic spacing component（5）Including leg section（51）With with leg section（51）Two flexible clampings of connection
Portion（52）, the leg section（51）With substrate（1）It offsets, two elastic card socket parts（52）It is arranged in connection axis pin respectively（42）Two
In two card slots of side, the leg section（51）With two elastic card socket parts（52）In connection axis pin（42）Axis direction on stay
There is spacing.
6. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：The substrate（1）It goes up and rubs
Wipe component（4）Opposite one side is equipped with two L-type block reinforcements（12）, two L-type block reinforcements（12）It is divided into substrate（1）Both sides formed
One T-slot, the substrate（1）T-slot be placed on brake lining clamping plate（2）Above and pass through positioning pin and brake lining clamping plate（2）Connection
It is fixed.
7. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：The substrate（1）In semi-ring
Shape, semi-circular substrate（1）Upper and friction means（4）Opposite one side is equipped with straight slot（13）With multiple heat dissipation ventilation holes（14）, institute
State straight slot（13）Along substrate（1）Line of symmetry arrangement, the straight slot（13）Bottom be equipped with through substrate（1）The second through hole
（15）.
8. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：First concave spherical surface（11）
Bottom be equipped with through substrate（1）Anti-shearing through-hole（17）, first convex spherical（31）It is equipped with and is inserted in the shearing resistance
Cut through hole（17）In anti-shearing boss（35）；The substrate（1）Equipped with shearing resistance positioning through hole（18）, the universal pallet（3）
It is equipped with and is inserted in the shearing resistance positioning through hole（18）In shearing resistance positioning convex platform（36）.
9. disc type brake brake lining used for rail vehicle according to claim 8, it is characterised in that：The universal pallet（3）With
Second convex spherical（41）Opposite one side is equipped with heat sink hole（38）, the heat sink hole（38）It is interior to be equipped with multiple radiating ribs
（37）.
10. disc type brake brake lining used for rail vehicle according to claim 1, it is characterised in that：In any group of friction component,
Along substrate（1）The friction means of edge arrangement（4）For heptagon, it is located at substrate（1）The friction means at middle part（4）For hexagon or
Heptagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269214.3A CN104912970B (en) | 2015-05-25 | 2015-05-25 | Disc type brake brake lining used for rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269214.3A CN104912970B (en) | 2015-05-25 | 2015-05-25 | Disc type brake brake lining used for rail vehicle |
Publications (2)
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| CN104912970A CN104912970A (en) | 2015-09-16 |
| CN104912970B true CN104912970B (en) | 2018-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021111549A1 (en) | 2021-05-04 | 2022-11-10 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | brake pad |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340280B (en) * | 2018-11-26 | 2024-01-30 | 北京天宜上佳高新材料股份有限公司 | Brake pad for preventing eccentric wear |
| CN110273954A (en) * | 2019-07-17 | 2019-09-24 | 中铁隆昌铁路器材有限公司 | A kind of motor train unit train powder metallurgy brake pad |
| CN113236697B (en) * | 2021-04-29 | 2022-06-17 | 中京吉泰(北京)科技有限责任公司 | High-speed railway vehicle brake pad without occupying friction surface |
| CN114508556B (en) * | 2022-03-01 | 2023-11-24 | 山东倍瑞恳新材料有限公司 | Aluminum-based brake disc reclosing sheet for railway vehicle, formula and manufacturing process of aluminum-based brake disc reclosing sheet |
| AT525457B1 (en) * | 2022-04-04 | 2023-04-15 | Miba Frictec Gmbh | brake pad |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1261780B (en) * | 1993-04-05 | 1996-06-03 | DISC BRAKE PAD WITH SINTERED FRICTION ELEMENTS. | |
| DE4436457A1 (en) * | 1994-10-12 | 1996-04-18 | Knorr Bremse Systeme | Brake pad for partial pad disc brakes, in particular for rail vehicles |
| TW593905B (en) * | 2002-05-16 | 2004-06-21 | Knorr Bremse Systeme | Brake lining for the disk brake of a vehicle |
| JP4006450B2 (en) * | 2005-04-26 | 2007-11-14 | 曙ブレーキ工業株式会社 | Friction material assembly for disc brake |
| CN201836269U (en) * | 2010-10-18 | 2011-05-18 | 常州市铁马科技实业有限公司 | Train brake lining with adjuster |
| CN202023865U (en) * | 2011-03-17 | 2011-11-02 | 北京浦然铁路制动科技有限责任公司 | Brake pad of railway vehicle braking device |
| CN102829106B (en) * | 2012-09-13 | 2015-03-18 | 黄启镇 | Brake pad with spherical pin |
| CN204784328U (en) * | 2015-05-25 | 2015-11-18 | 湖南博科瑞新材料有限责任公司 | Disc brake brake lining for rail vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021111549A1 (en) | 2021-05-04 | 2022-11-10 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | brake pad |
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| CN104912970A (en) | 2015-09-16 |
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