CN114508556A - Aluminum-based brake disc composite brake pad for railway vehicle, formula and manufacturing process of aluminum-based brake disc composite brake pad - Google Patents
Aluminum-based brake disc composite brake pad for railway vehicle, formula and manufacturing process of aluminum-based brake disc composite brake pad Download PDFInfo
- Publication number
- CN114508556A CN114508556A CN202210194171.7A CN202210194171A CN114508556A CN 114508556 A CN114508556 A CN 114508556A CN 202210194171 A CN202210194171 A CN 202210194171A CN 114508556 A CN114508556 A CN 114508556A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- parts
- friction
- aluminum
- brake pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Inorganic materials [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 18
- 239000000395 magnesium oxide Substances 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002557 mineral fiber Substances 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002006 petroleum coke Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000001149 thermolysis Methods 0.000 abstract 1
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D2069/001—Material of friction lining and support element of same or similar composition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of brake pads, in particular to a composite brake pad of an aluminum-based brake disc of a railway vehicle, a formula and a manufacturing process of the composite brake pad, wherein the composite brake pad comprises a bottom plate, a friction structure for friction of the brake disc is connected onto the bottom plate, a heat dissipation structure for heat dissipation is connected onto the friction structure, a collision structure for auxiliary support is connected onto the friction structure, an air guide structure for air flow guiding is connected onto the bottom plate, and a fixing structure for installation is connected onto the bottom plate; friction structure can be more even when the atress to reinforcing braking effect, heat radiation structure and wind-guiding structure play the thermolysis, and the conflict structure can play the supporting role, thereby plays certain additional act to friction structure, and the installation of the bottom plate of being convenient for through fixed knot structure is fixed.
Description
Technical Field
The invention relates to the technical field of brake pads, in particular to a composite brake pad of an aluminum-based brake disc of a railway vehicle, a formula and a manufacturing process thereof.
Background
The brake pad is one of the important components of the brake, the brake can push the brake pad to rub with the brake disc, so as to achieve the braking effect, and in order to enhance the braking effect of the brake pad and enable the brake pad and the brake disc to fully resist and rub, the aluminum-based brake disc composite brake pad for the railway vehicle is needed.
Present brake lining is mostly fixed, and at the friction in-process, the clutch blocks only leans on the fixed column to support, and is great to the damage of fixed column, and the fixed column is easy to be split, and the direct inseparable conflict of clutch blocks and bottom plate is unfavorable for the heat dissipation of clutch blocks bottom usually.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a composite brake pad of an aluminum-based brake disc of a railway vehicle, a formula and a manufacturing process thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the formula of the composite brake pad of the aluminum-based brake disc of the railway vehicle comprises the following raw materials in parts by weight: 6224 resin 6 parts, nitrile rubber 12 parts, MgO magnesium oxide 12 parts, artificial graphite 6 parts, aramid fiber 1 parts, 325 aluminum oxide 2 parts, antimony sulfide 3 parts, D021 steel fiber 32 parts, petroleum coke 3 parts, Lapinius mineral fiber 12 parts, BaS04 barium sulfate 7 parts, and friction powder 4 parts.
The composite brake pad of the aluminum-based brake disc of the rail vehicle comprises a bottom plate, wherein a friction structure used for friction of the brake disc is connected to the bottom plate, a heat dissipation structure used for heat dissipation is connected to the friction structure, a collision structure used for auxiliary support is connected to the friction structure, an air guide structure used for air flow guiding is connected to the bottom plate, and a fixing structure used for installation is connected to the bottom plate; the friction structure comprises fixing columns, a plurality of fixing columns are connected to the bottom plate in a sliding mode, and friction blocks are fixedly connected to the fixing columns;
conflict structure includes the fixed block, the clutch blocks is close to the both ends fixed connection fixed block in bottom plate one side, sliding connection has the touch multitouch on the fixed block, the touch multitouch passes through sliding tray and bottom plate sliding connection, be equipped with a plurality of sliding trays on the bottom plate, the bottom plate is the arc, and is a plurality of the clutch blocks all is vertical arrangement, and a plurality of touch multitouch all slide on vertical direction.
Specifically, the spring has been cup jointed on the fixed column, the both ends of spring are contradicted with the bottom plate clutch blocks respectively, the one end of fixed column is equipped with the draw-in groove, install the snap ring between bottom plate and the draw-in groove, the snap ring is "nearly" font structure, the snap ring has elasticity.
Specifically, heat radiation structure includes the radiating groove, the top of clutch blocks is equipped with the radiating groove, the radiating groove is "well" font structure, and is a plurality of the opening direction of radiating groove is the same, the bottom of clutch blocks is equipped with the ripple groove, the ripple groove is "W" shape structure.
Specifically, the air guide structure comprises an air duct, two pairs of air ducts are arranged in the bottom plate, a plurality of air holes are formed in one end, close to the friction block, of the bottom plate, the air holes are communicated with the air duct, the air duct penetrates through the bottom plate, and the air duct enables the transversely arranged fixing columns to be separated from one another.
Specifically, fixed knot constructs including the fixed orifices, the both ends of bottom plate are equipped with the fixed orifices respectively, the bottom plate is close to the one end in fixed orifices and all is equipped with ground and touches the hole, bottom plate accessible nut lock for the fixed orifices is fixed to rail vehicle's stopper.
Specifically, the manufacturing process of the aluminum-based brake disc composite brake pad of the railway vehicle comprises the following steps:
s1: firstly, 6 parts by weight of raw material 6224 resin, 12 parts by weight of nitrile rubber, 12 parts by weight of MgO magnesium oxide, 6 parts by weight of artificial graphite, 1 part by weight of aramid fiber, 2 parts by weight of 325 aluminum oxide, 3 parts by weight of antimony sulfide, 32 parts by weight of D021 steel fiber, 3 parts by weight of petroleum coke, 12 parts by weight of Lapinius mineral fiber, 7 parts by weight of BaS04 barium sulfate and 4 parts by weight of friction powder are prepared, after the preparation is finished, the prepared raw material is put into a die cavity of a press machine, the die cavity is heated and preheated, a male die is pressed and heated under the action of the press machine, and thus the raw material is pressed into a brake pad component;
s2: the brake pad assembly is trimmed, burrs are removed, the heat dissipation structure and the air guide structure are kept smooth, the abutting structure is installed on the friction structure, the friction structure and the abutting structure are assembled on the bottom plate, and the brake is assembled on the brake through the fixing structure.
The invention has the beneficial effects that:
(1) according to the aluminum-based brake disc composite brake pad for the railway vehicle, the formula and the manufacturing process thereof, the friction structure for friction of the brake is connected to the bottom plate, the friction structure is connected with the heat dissipation structure for heat dissipation, the bottom plate is connected with the air guide structure for air flow guiding, the friction structure can be more uniform when stressed, so that the braking effect is enhanced, and the heat dissipation structure and the air guide structure play a role in heat dissipation, namely: during braking, the brake drives the bottom plate and the friction block to move towards the brake disc, the friction block is abutted against the brake disc, the brake continues to push the bottom plate to move, the friction block pushes the fixed column to move towards the inside of the bottom plate, the spring is compressed, the fixed column drives the clamping groove to move, so that the other end of the clamping ring is abutted against the other end of the clamping groove, a plurality of friction blocks can be abutted against the brake disc, the braking effect is enhanced, when the friction block needs to be replaced, the clamping ring in the structure shaped like the Chinese character ji can be deformed through a tool, the friction block and the fixed column are pulled out, the disassembly is convenient, air flow in the vertical direction can pass through the heat dissipation groove to take away heat generated by friction of the friction block, the corrugated groove in the structure shaped like the Chinese character ji can play a role in increasing the heat dissipation area, so that the friction block has a good heat dissipation effect, when a vehicle moves, transverse air flow can pass through the air duct, and heat on the bottom plate can be taken away under the cooperation of the air holes, thereby playing a role of heat dissipation.
(2) According to the composite brake pad of the aluminum-based brake disc of the railway vehicle, the formula and the manufacturing process thereof, the friction structure is connected with the conflict structure for auxiliary support, and the conflict structure can play a supporting role, so that a certain auxiliary role is played on the friction structure, namely: the clutch blocks will drive the fixed block and move to the bottom plate direction, thereby drive the motion of the clutch blocks, contained angle between clutch blocks and the fixed column will the grow, the clutch blocks will slide along the sliding tray, the clutch blocks slide to the sliding tray and deviate from the one end of fixed column and will conflict with the bottom plate, the fixed column will not continue to slide this moment, the clutch blocks plays the supporting role in vertical direction, clutch blocks and brake disc conflict, the clutch blocks will receive the ascending frictional force of vertical side, clutch blocks and fixed column play supporting role, thereby increase the fastness of clutch blocks, the clutch blocks body can not with bottom plate direct contact, thereby increase the radiating effect.
(3) The invention relates to a composite brake pad of an aluminum-based brake disc of a railway vehicle, a formula and a manufacturing process thereof.A bottom plate is connected with a fixing structure for installation, and the fixing structure is convenient for the installation and fixation of the bottom plate, namely: when the brake pad is installed, the ground contact hole on the bottom plate is aligned with the brake, and the nut penetrates through the fixing hole to be locked and fixed, so that the brake pad is installed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall structural diagram of a preferred embodiment of a composite brake pad of an aluminum-based brake disc for a railway vehicle, a formula and a manufacturing process thereof according to the present invention;
FIG. 2 is an enlarged view of the part A shown in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the friction block and the fixed post of the present invention;
FIG. 4 is a schematic view of a connection structure of a bottom plate and a contact block according to the present invention;
FIG. 5 is a schematic view of the connection structure of the bottom plate and the fixing holes of the present invention;
fig. 6 is a schematic structural diagram of the snap ring of the present invention.
In the figure: 1. a base plate; 2. a friction structure; 201. a friction block; 202. fixing a column; 203. a card slot; 204. a spring; 205. a snap ring; 3. a heat dissipation structure; 301. a heat sink; 302. a corrugated groove; 4. a contact structure; 401. a contact block; 402. a sliding groove; 403. a fixed block; 5. a wind guide structure; 501. an air duct; 502. a wind hole; 6. a fixed structure; 601. a ground contact hole; 602. and (7) fixing holes.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
As shown in fig. 1-6, the formula of the composite brake pad of the aluminum-based brake disc for the railway vehicle comprises the following raw materials in parts by weight: 6224 resin 6 parts, nitrile rubber 12 parts, MgO magnesium oxide 12 parts, artificial graphite 6 parts, aramid fiber 1 parts, 325 aluminum oxide 2 parts, antimony sulfide 3 parts, D021 steel fiber 32 parts, petroleum coke 3 parts, Lapinius mineral fiber 12 parts, BaS04 barium sulfate 7 parts, and friction powder 4 parts.
The composite brake pad of the aluminum-based brake disc of the railway vehicle comprises a bottom plate 1, wherein a friction structure 2 used for friction of the brake disc is connected to the bottom plate 1, a heat dissipation structure 3 used for heat dissipation is connected to the friction structure 2, a collision structure 4 used for auxiliary support is connected to the friction structure 2, an air guide structure 5 used for air flow guiding is connected to the bottom plate 1, and a fixing structure 6 used for installation is connected to the bottom plate 1; the friction structure 2 comprises fixing columns 202, the bottom plate 1 is connected with a plurality of fixing columns 202 in a sliding mode, and friction blocks 201 are fixedly connected to the fixing columns 202;
the collision structure 4 comprises a fixing block 403, the two ends of the friction blocks 201 close to one side of the bottom plate 1 are fixedly connected with the fixing block 403, the fixing block 403 is connected with a collision block 401 in a sliding mode, the collision block 401 is connected with the bottom plate 1 in a sliding mode through a sliding groove 402, the bottom plate 1 is provided with a plurality of sliding grooves 402, the bottom plate 1 is arc-shaped, the friction blocks 201 are vertically arranged, and the collision blocks 401 slide in the vertical direction; friction block 201 will drive fixed block 403 to the motion of 1 direction of bottom plate, thereby drive the motion of conflict piece 401, contained angle between conflict piece 401 and the fixed column 202 will grow, conflict piece 401 will slide along sliding tray 402, conflict piece 401 slides sliding tray 402 and deviates from the one end of fixed column 202 will contradict with bottom plate 1, fixed column 202 will not continue to slide this moment, conflict piece 401 plays the supporting role in vertical direction, friction block 201 and brake disc are contradicted, friction block 201 will receive the ascending frictional force of vertical side, conflict piece 401 and fixed column 202 play the supporting role, thereby increase the fastness of friction block 201, friction block 201 body can not with 1 direct contact of bottom plate, thereby increase the radiating effect.
Specifically, a spring 204 is sleeved on the fixed column 202, two ends of the spring 204 are respectively abutted against the friction block 201 of the bottom plate 1, a clamping groove 203 is formed at one end of the fixed column 202, a snap ring 205 is installed between the bottom plate 1 and the clamping groove 203, the snap ring 205 is in a structure like a Chinese character ji, and the snap ring 205 has elasticity; during the braking stopper drives bottom plate 1 and clutch blocks 201 and to the brake disc motion, clutch blocks 201 will contradict with the brake disc, the stopper continues to promote the motion of bottom plate 1, clutch blocks 201 will promote fixed column 202 to 1 inside movement of bottom plate, spring 204 will compress, fixed column 202 drives draw-in groove 203 motion, thereby make the other end of snap ring 205 and draw-in groove 203 contradict, thereby make a plurality of clutch blocks 201 homoenergetic and the brake disc conflict, thereby strengthen braking effect, when needing to change clutch blocks 201, the accessible instrument makes "nearly" the snap ring 205 deformation of font structure, thereby extract clutch blocks 201 and fixed column 202, thereby convenient to detach.
Specifically, the heat dissipation structure 3 includes heat dissipation grooves 301, the top end of the friction block 201 is provided with the heat dissipation grooves 301, the heat dissipation grooves 301 are of a 'middle' -shaped structure, the opening directions of the heat dissipation grooves 301 are the same, the bottom end of the friction block 201 is provided with a corrugated groove 302, and the corrugated groove 302 is of a 'W' -shaped structure; the air flow in the vertical direction passes through the heat dissipation slot 301 to take away the heat generated by friction of the friction block 201, and the corrugated slot 302 with the W-shaped structure can play a role in increasing the heat dissipation area, so that the friction block 201 has a good heat dissipation effect.
Specifically, the air guiding structure 5 includes an air duct 501, two pairs of air ducts 501 are arranged inside the bottom plate 1, a plurality of air holes 502 are arranged at one end of the bottom plate 1 close to the friction block 201, the air holes 502 are communicated with the air duct 501, the air duct 501 penetrates through the bottom plate 1, and the air ducts 501 separate the fixing columns 202 which are transversely arranged from each other; when the vehicle moves, the transverse air flow will pass through the air duct 501, and the heat on the bottom plate 1 can be taken away under the cooperation of the air holes 502, so that the heat dissipation effect is achieved.
Specifically, the fixing structure 6 includes a fixing hole 602, two ends of the bottom plate 1 are respectively provided with the fixing hole 602, one end of the bottom plate 1 close to the fixing hole 602 is provided with a ground contact hole 601, and the bottom plate 1 can be fastened and fixed on a brake of a rail vehicle through the fixing hole 602 by a nut; when the brake pad is installed, the ground contact hole 601 on the base plate 1 is aligned with the brake, and the nut is fastened and fixed through the fastening hole 602, thereby completing the installation of the brake pad.
A manufacturing process of a composite brake pad of an aluminum-based brake disc of a railway vehicle comprises the following steps:
s1: firstly, 6 parts by weight of raw material 6224 resin, 12 parts by weight of nitrile rubber, 12 parts by weight of MgO magnesium oxide, 6 parts by weight of artificial graphite, 1 part by weight of aramid fiber, 2 parts by weight of 325 aluminum oxide, 3 parts by weight of antimony sulfide, 32 parts by weight of D021 steel fiber, 3 parts by weight of petroleum coke, 12 parts by weight of Lapinius mineral fiber, 7 parts by weight of BaS04 barium sulfate and 4 parts by weight of friction powder are prepared, after the preparation is finished, the prepared raw material is put into a die cavity of a press machine, the die cavity is heated and preheated, a male die is pressed and heated under the action of the press machine, and thus the raw material is pressed into a brake pad component;
s2: trimming the brake pad assembly, removing burrs, keeping the heat dissipation structure 3 and the air guide structure 5 smooth, installing the abutting structure 4 on the friction structure 2, assembling the friction structure 2 and the abutting structure 4 on the bottom plate 1, and assembling the friction structure 2 and the abutting structure 4 on the brake through the fixing structure 6.
When the brake pad is used, firstly, when the brake pad is installed, the ground contact hole 601 on the bottom plate 1 is aligned with the brake, the nut passes through the fixing hole 602 to be locked and fixed, so that the brake pad is installed, when the brake is used, the brake drives the bottom plate 1 and the friction block 201 to move towards the brake disc, the friction block 201 is abutted against the brake disc, the brake continues to drive the bottom plate 1 to move, the friction block 201 is pushed to drive the fixing column 202 to move towards the inside of the bottom plate 1, the spring 204 is compressed, the fixing column 202 drives the clamping groove 203 to move, so that the clamping ring 205 is abutted against the other end of the clamping groove 203, and a plurality of friction blocks 201 can be abutted against the brake disc, so that the braking effect is enhanced, when the friction block 201 needs to be replaced, the clamping ring 205 with the structure shaped like the Chinese character 'ji' can be deformed by a tool, so that the friction block 201 and the fixing column 202 are pulled out, so that the brake pad is convenient to be detached, the friction block 201 drives the fixing block 403 to move towards the bottom plate 1, thereby driving the resisting block 401 to move, the included angle between the resisting block 401 and the fixed column 202 will become larger, the resisting block 401 will slide along the sliding groove 402, the resisting block 401 will slide to the end of the sliding groove 402 departing from the fixed column 202 and will be abutted against the bottom plate 1, at this time, the fixed column 202 will not continue to slide, the resisting block 401 will play a supporting role in the vertical direction, the friction block 201 will be abutted against the brake disc, the friction block 201 will receive the friction force in the vertical direction, the resisting block 401 and the fixed column 202 play a supporting role, thereby increasing the firmness of the friction block 201, the friction block 201 body will not directly contact with the bottom plate 1, thereby increasing the heat dissipation effect, the air flow in the vertical direction will pass through the heat dissipation groove 301, take away the heat generated by the friction block 201, the corrugated groove 302 with the W-shaped structure can play a role of increasing the heat dissipation area, thereby the friction block 201 has a good heat dissipation effect, when the vehicle moves, the transverse air flow will pass through the air duct 501, and the heat on the bottom plate 1 can be taken away under the cooperation of the air holes 502, so that the heat dissipation effect is achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The formula of the composite brake pad of the aluminum-based brake disc of the railway vehicle is characterized by comprising the following raw materials in parts by weight: 6224 resin 6 parts, nitrile rubber 12 parts, MgO magnesium oxide 12 parts, artificial graphite 6 parts, aramid fiber 1 parts, 325 aluminum oxide 2 parts, antimony sulfide 3 parts, D021 steel fiber 32 parts, petroleum coke 3 parts, Lapinius mineral fiber 12 parts, BaS04 barium sulfate 7 parts, and friction powder 4 parts.
2. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 1, which comprises a bottom plate (1), wherein a friction structure (2) for friction of the brake disc is connected to the bottom plate (1), a heat dissipation structure (3) for heat dissipation is connected to the friction structure (2), an interference structure (4) for auxiliary support is connected to the friction structure (2), an air guide structure (5) for air flow guidance is connected to the bottom plate (1), and a fixing structure (6) for installation is connected to the bottom plate (1); the friction structure (2) comprises fixing columns (202), the bottom plate (1) is connected with a plurality of fixing columns (202) in a sliding mode, and friction blocks (201) are fixedly connected onto the fixing columns (202);
conflict structure (4) including fixed block (403), clutch block (201) are close to both ends fixed connection fixed block (403) in bottom plate (1) one side, sliding connection has conflict piece (401) on fixed block (403), conflict piece (401) are through sliding tray (402) and bottom plate (1) sliding connection, be equipped with a plurality of sliding trays (402) on bottom plate (1).
3. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 2, wherein: bottom plate (1) is the arc, and is a plurality of clutch blocks (201) all are vertical arrangement, and a plurality of conflict pieces (401) all slide on vertical direction.
4. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 2, wherein: the spring (204) is sleeved on the fixing column (202), two ends of the spring (204) are respectively abutted against the friction block (201) of the bottom plate (1), a clamping groove (203) is formed in one end of the fixing column (202), and a clamping ring (205) is installed between the bottom plate (1) and the clamping groove (203).
5. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 4, wherein: the snap ring (205) is of a structure shaped like a Chinese character 'ji', and the snap ring (205) has elasticity.
6. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 2, wherein: heat radiation structure (3) are including radiating groove (301), the top of clutch blocks (201) is equipped with radiating groove (301), radiating groove (301) are "well" font structure, and are a plurality of the opening direction of radiating groove (301) is the same, the bottom of clutch blocks (201) is equipped with corrugated groove (302), corrugated groove (302) are "W" shape structure.
7. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 2, wherein: wind-guiding structure (5) are including wind channel (501), bottom plate (1) inside is equipped with two pairs of wind channels (501), bottom plate (1) is close to the one end in rubbing block (201) and is equipped with a plurality of wind holes (502), wind hole (502) and wind channel (501) intercommunication.
8. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 7, wherein: the air duct (501) penetrates through the bottom plate (1), and the transversely arranged fixing columns (202) are separated from each other by the air duct (501).
9. The aluminum-based brake disc composite brake pad for the railway vehicle as claimed in claim 2, wherein: fixed knot constructs (6) including fixed orifices (602), the both ends of bottom plate (1) are equipped with fixed orifices (602) respectively, bottom plate (1) are close to the one end in fixed orifices (602) and all are equipped with ground and touch hole (601), bottom plate (1) accessible fixed orifices (602) are fixed to rail vehicle's stopper with nut locking.
10. The process for manufacturing the composite brake pad of the railway vehicle aluminum-based brake disc according to any one of claims 1 to 9, characterized by comprising the following steps:
s1: firstly, 6 parts by weight of raw material 6224 resin, 12 parts by weight of nitrile rubber, 12 parts by weight of MgO magnesium oxide, 6 parts by weight of artificial graphite, 1 part by weight of aramid fiber, 2 parts by weight of 325 aluminum oxide, 3 parts by weight of antimony sulfide, 32 parts by weight of D021 steel fiber, 3 parts by weight of petroleum coke, 12 parts by weight of Lapinius mineral fiber, 7 parts by weight of BaS04 barium sulfate and 4 parts by weight of friction powder are prepared, after the preparation is finished, the prepared raw material is put into a die cavity of a press machine, the die cavity is heated and preheated, a male die is pressed and heated under the action of the press machine, and thus the raw material is pressed into a brake pad component;
s2: trimming the brake pad assembly, removing burrs, keeping the heat dissipation structure (3) and the air guide structure (5) smooth, installing the abutting structure (4) on the friction structure (2), assembling the friction structure (2) and the abutting structure (4) on the bottom plate (1), and assembling the brake through the fixing structure (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194171.7A CN114508556B (en) | 2022-03-01 | 2022-03-01 | Aluminum-based brake disc reclosing sheet for railway vehicle, formula and manufacturing process of aluminum-based brake disc reclosing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194171.7A CN114508556B (en) | 2022-03-01 | 2022-03-01 | Aluminum-based brake disc reclosing sheet for railway vehicle, formula and manufacturing process of aluminum-based brake disc reclosing sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114508556A true CN114508556A (en) | 2022-05-17 |
| CN114508556B CN114508556B (en) | 2023-11-24 |
Family
ID=81552868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210194171.7A Active CN114508556B (en) | 2022-03-01 | 2022-03-01 | Aluminum-based brake disc reclosing sheet for railway vehicle, formula and manufacturing process of aluminum-based brake disc reclosing sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114508556B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB794926A (en) * | 1955-10-20 | 1958-05-14 | Dowty Equipment Ltd | Improvements in and relating to aircraft braking mechanism |
| US20030075400A1 (en) * | 2000-11-02 | 2003-04-24 | Xaver Wirth | Elastic brake body |
| US20060237270A1 (en) * | 2005-04-26 | 2006-10-26 | Akebono Brake Industry Co., Ltd. | Friction member assembly for disc brake |
| JP2010270826A (en) * | 2009-05-21 | 2010-12-02 | Akebono Brake Ind Co Ltd | Friction material assembly for disc brake |
| CN101975234A (en) * | 2010-10-18 | 2011-02-16 | 常州市铁马科技实业有限公司 | Train brake lining with adjuster |
| CN102748417A (en) * | 2012-04-09 | 2012-10-24 | 北京天宜上佳新材料有限公司 | Floating type train brake lining with replaceable friction blocks |
| CN104500628A (en) * | 2014-12-17 | 2015-04-08 | 北京天宜上佳新材料有限公司 | Brake pad |
| KR101545227B1 (en) * | 2014-08-11 | 2015-08-19 | 주식회사 다윈프릭션 | Flexible Brake pad |
| CN104912970A (en) * | 2015-05-25 | 2015-09-16 | 湖南博科瑞新材料有限责任公司 | Disk brake pad for railway vehicle |
| CN105111675A (en) * | 2015-08-06 | 2015-12-02 | 广西碳酸钙产业化工程院有限公司 | Calcium carbonate whisker reinforced resin-rubber base friction material and preparation method therefor |
| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
| CN107989931A (en) * | 2016-10-27 | 2018-05-04 | 克诺尔轨道车辆系统有限公司 | Brake pad and rail vehicle |
| CN207921193U (en) * | 2018-01-22 | 2018-09-28 | 常州市威普电子科技有限公司 | A kind of EMU brake pad |
| CN108690323A (en) * | 2018-06-07 | 2018-10-23 | 安徽相驰车业有限公司 | A kind of novel brake pad and its processing method |
| CN109372919A (en) * | 2018-12-03 | 2019-02-22 | 宁波凯硕汽车部件有限公司 | A kind of high performance brake piece and its production technology |
| KR20190081400A (en) * | 2017-12-29 | 2019-07-09 | 상신브레이크주식회사 | A brake pad assembly for a vehicle with a rubber damper |
| CN209245121U (en) * | 2018-11-08 | 2019-08-13 | 湖南世鑫新材料有限公司 | A kind of rail transit train floating type carbon pottery brake pad |
| CN209414467U (en) * | 2018-11-19 | 2019-09-20 | 浙江三得科技有限公司 | It is a kind of tiltedly to lead force amplifying brake bottom plate for automobile brake shoe |
| CN212177729U (en) * | 2020-04-16 | 2020-12-18 | 无锡市金珀车业有限公司 | Brake leaf spring structure |
-
2022
- 2022-03-01 CN CN202210194171.7A patent/CN114508556B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB794926A (en) * | 1955-10-20 | 1958-05-14 | Dowty Equipment Ltd | Improvements in and relating to aircraft braking mechanism |
| US20030075400A1 (en) * | 2000-11-02 | 2003-04-24 | Xaver Wirth | Elastic brake body |
| US20060237270A1 (en) * | 2005-04-26 | 2006-10-26 | Akebono Brake Industry Co., Ltd. | Friction member assembly for disc brake |
| CN1854552A (en) * | 2005-04-26 | 2006-11-01 | 曙制动器工业株式会社 | Friction member assembly for disc brake |
| JP2010270826A (en) * | 2009-05-21 | 2010-12-02 | Akebono Brake Ind Co Ltd | Friction material assembly for disc brake |
| CN101975234A (en) * | 2010-10-18 | 2011-02-16 | 常州市铁马科技实业有限公司 | Train brake lining with adjuster |
| CN102748417A (en) * | 2012-04-09 | 2012-10-24 | 北京天宜上佳新材料有限公司 | Floating type train brake lining with replaceable friction blocks |
| KR101545227B1 (en) * | 2014-08-11 | 2015-08-19 | 주식회사 다윈프릭션 | Flexible Brake pad |
| CN104500628A (en) * | 2014-12-17 | 2015-04-08 | 北京天宜上佳新材料有限公司 | Brake pad |
| CN104912970A (en) * | 2015-05-25 | 2015-09-16 | 湖南博科瑞新材料有限责任公司 | Disk brake pad for railway vehicle |
| CN105111675A (en) * | 2015-08-06 | 2015-12-02 | 广西碳酸钙产业化工程院有限公司 | Calcium carbonate whisker reinforced resin-rubber base friction material and preparation method therefor |
| CN105952828A (en) * | 2016-06-30 | 2016-09-21 | 北京北摩高科摩擦材料有限责任公司 | Elastic adjustment type brake pad used for train |
| CN107989931A (en) * | 2016-10-27 | 2018-05-04 | 克诺尔轨道车辆系统有限公司 | Brake pad and rail vehicle |
| KR20190081400A (en) * | 2017-12-29 | 2019-07-09 | 상신브레이크주식회사 | A brake pad assembly for a vehicle with a rubber damper |
| CN207921193U (en) * | 2018-01-22 | 2018-09-28 | 常州市威普电子科技有限公司 | A kind of EMU brake pad |
| CN108690323A (en) * | 2018-06-07 | 2018-10-23 | 安徽相驰车业有限公司 | A kind of novel brake pad and its processing method |
| CN209245121U (en) * | 2018-11-08 | 2019-08-13 | 湖南世鑫新材料有限公司 | A kind of rail transit train floating type carbon pottery brake pad |
| CN209414467U (en) * | 2018-11-19 | 2019-09-20 | 浙江三得科技有限公司 | It is a kind of tiltedly to lead force amplifying brake bottom plate for automobile brake shoe |
| CN109372919A (en) * | 2018-12-03 | 2019-02-22 | 宁波凯硕汽车部件有限公司 | A kind of high performance brake piece and its production technology |
| CN212177729U (en) * | 2020-04-16 | 2020-12-18 | 无锡市金珀车业有限公司 | Brake leaf spring structure |
Non-Patent Citations (2)
| Title |
|---|
| 王磊等: "高速列车铜基粉末冶金闸片的制备及摩擦磨损性能", 《机械工程材料》, pages 55 - 58 * |
| 陈辉等: "和谐型电力机车用制动摩擦副结构设计", 《铁道运营技术》, pages 1 - 3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114508556B (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1584363A (en) | Cable protection and guide device | |
| CN206493614U (en) | A kind of automatic stamping equipment for being used to produce carrier band | |
| WO2014057302A1 (en) | Low friction sliding guide shoe for elevator | |
| CN114508556A (en) | Aluminum-based brake disc composite brake pad for railway vehicle, formula and manufacturing process of aluminum-based brake disc composite brake pad | |
| CN203093985U (en) | Height adjustor for automobile safety belt | |
| CN112178085B (en) | Wheel brake disc for a rail wheel of a rail vehicle and rail wheel | |
| CN108087454B (en) | A kind of brake units based on frictional displacement | |
| CN112628315A (en) | Brake robot integrating axial and radial braking | |
| CN104117611A (en) | Slider installation structure of thread rolling machine | |
| DE102022125460A1 (en) | PROCEDURE FOR MAKING A BRAKE PAD | |
| CN203685939U (en) | Braking plate for vehicles and vehicles with braking plate | |
| CN113830039A (en) | Motor braking speed reduction equipment for electric scooter based on new energy | |
| CN211809597U (en) | Rail car | |
| KR102216888B1 (en) | Manually controlled brake system for railway road | |
| CN114147885A (en) | Internal core-pulling and cooperative ejection demolding structure of grating product mold | |
| CN217319154U (en) | Demoulding mechanism for back-off inclined top of narrow and long space of front panel of electric vehicle | |
| CN220354329U (en) | Diaphragm spring with combined long and short separating fingers | |
| CN2474007Y (en) | Sliding rail for two section draw pull location full opening drawer | |
| CN217558851U (en) | Active return structure of fixed caliper friction block for automobile | |
| CN212131108U (en) | Pressure plate for automobile diaphragm spring clutch | |
| CN113833783B (en) | Split type mounting structure of rear axle stopper | |
| CN220323725U (en) | Selenium drum chip fixing structure | |
| CN215861439U (en) | Brake, brake clearance self-adjusting device and car | |
| CN216488259U (en) | New energy automobile battery conducting strip | |
| CN213568998U (en) | Elevator sliding guide shoe, elevator car and elevator counterweight |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |