CN209725040U - A kind of high-speed rail brake block structure - Google Patents
A kind of high-speed rail brake block structure Download PDFInfo
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- CN209725040U CN209725040U CN201920413064.2U CN201920413064U CN209725040U CN 209725040 U CN209725040 U CN 209725040U CN 201920413064 U CN201920413064 U CN 201920413064U CN 209725040 U CN209725040 U CN 209725040U
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- Prior art keywords
- brake block
- liner plate
- speed rail
- plate
- heat dissipation
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Abstract
The utility model discloses a kind of high-speed rail brake block structures, belong to field of brake pad, including brake block ontology, the brake block ontology includes friction plate and liner plate, the friction plate is connected by screw to liner plate, several through holes are provided on the liner plate, heat dissipation metal tooth has been arranged radially on the inner wall of the through hole, stairstepping protrusion is provided on the center of the liner plate of the brake block, the surface of the protrusion is covered with copper foil；Mounting plate is provided on the liner plate；The beneficial effects of the utility model have: using the heat dissipation area for increasing liner plate, improving radiating efficiency, when making braking, the rapid conversion thermal energy of kinetic energy that high-speed rail is advanced shortens braking distance, improves braking efficiency.
Description
Technical field
The utility model belongs to field of brake pad, is related to a kind of high-speed rail brake block structure.
Background technique
High-speed rail EMU uses composite braking, that is, is braked using at least two modes.Domestic high-speed rail is all
The power dispersion type electric EMU of use, therefore in normal braking process, it is combined using regenerative braking with disc braking,
When EMU speed is very low, i.e., when will stop, the effect is relatively poor for regenerative braking, will be changed to disc braking, or connecing
Net-fault failure when power failure, when needing to trigger emergency braking, just will use disc braking.
The working principle of disc braking is mainly to carry out self-friction, utilizes rubbing for brake block and brake disc and tire and rail
It wipes, the kinetic energy that high-speed rail is advanced is converted into the thermal energy after friction, EMU is stopped.The heat dissipation of existing high-speed rail brake block is big
Heat conducting and radiating is directly all carried out using brake block rubbing surface and air, radiating efficiency is low, and braking distance is longer.
Summary of the invention
The purpose of this utility model is that: a kind of high-speed rail brake block structure is provided, it is low to solve brake block radiating efficiency,
The low problem of braking efficiency.
The technical solution adopted in the utility model is as follows:
A kind of high-speed rail brake block structure, including brake block ontology, the brake block ontology include friction plate and liner plate, described
Friction plate is connected by screw to liner plate, several through holes, radial direction on the inner wall of the through hole are provided on the liner plate
It is provided with heat dissipation metal tooth, stairstepping protrusion, the surface covering of the protrusion are provided on the center of the liner plate of the brake block
There is copper foil；Mounting plate is provided on the liner plate.
Existing high-speed rail brake block heat dissipation mostly directly carries out heat conducting and radiating using brake block rubbing surface and air, radiates
Low efficiency, braking distance are longer.A kind of high-speed rail brake block structure of the utility model, mounting plate and braking system are cooperatively connected, institute
It states friction plate to contact with the brake disc of high-speed rail tire, braking time control preparation of friction wafer, which is compressed on brake disc, generates friction, will be high
Kinetic energy when iron is advanced is converted into the thermal energy after friction, and the friction plate transfers thermal energy to liner plate；Liner plate uses iron and steel material quality,
The heat dissipation metal tooth of through hole increases heat dissipation area compared with conventional brake piece, and radiation tooth and air are completed heat exchange, completed
Heat dissipation；It is covered with copper foil in stairstepping protrusion, also further increases heat dissipation area, the air pressure near each protrusion is different, convex
It plays surface and forms small air-flow, facilitate air circulation and take away heat, further increase heat dissipation effect.The utility model is a kind of high
Iron brake block structure, using the heat dissipation area for increasing liner plate, improves radiating efficiency compared with conventional brake piece, when making braking,
The rapid conversion thermal energy of kinetic energy that high-speed rail is advanced shortens braking distance, improves braking efficiency.
Further, the brake block is a part of annulus, and central angle is obtuse angle.Brake block is set as the one of annulus
Part, central angle are obtuse angle, and compared to rectangle brake block, the braking efficiency of arc brake piece is higher.
Further, the side of the brake block ontology is provided with several grooves.Groove can water conservancy diversion rainwater, avoid rainwater
Product causes brake block to skid, cannot complete the braking to high-speed rail between friction plate and brake disc.
Further, noise reduction item is provided on the central axes of the liner plate.Noise reduction item uses polyester acoustical cotton material, can
Absorb the noise generated during brake.
Further, the heat dissipation metal tooth is copper radiation tooth.The thermal coefficient of copper is 377W/m DEG C, is heat transfer
The good metal of property, using copper radiation tooth, excellent heat dissipation performance.
Further, mark line is provided on the friction plate.Mark line be marked on friction plate apart from liner 0.5cm~
When manually overhauling at 0.8cm for friction plate, judge whether friction plate should be replaced.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. a kind of high-speed rail brake block structure of the utility model utilizes the radiating surface for increasing liner plate compared with conventional brake piece
Product, improves radiating efficiency, and the rapid conversion thermal energy of kinetic energy that high-speed rail is advanced when braking shortens braking distance, improves braking effect
Rate.
2. a kind of high-speed rail brake block structure of the utility model, by the way that the copper foil covered in stairstepping protrusion and protrusion is arranged,
Heat dissipation area is further increased, the efficiency that kinetic energy is converted to thermal energy is improved, accelerates braking.
3. a kind of high-speed rail brake block structure of the utility model, it is covered with copper foil in stairstepping protrusion, is also further increased
Heat dissipation area.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings, in which:
Fig. 1 is a kind of overall structure diagram of high-speed rail brake block structure of the utility model.
Marked in the figure: 1- friction plate, 2- liner plate, 201- through hole, 202- heat dissipation metal tooth, 203- are raised, 204- noise reduction
Item, 3- mounting plate, 4- groove.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model, i.e., the described embodiments are only a part of the embodiments of the utility model,
Instead of all the embodiments.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be with each
Different configurations is planted to arrange and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to
The range of the utility model protection.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
It is described in further detail below with reference to feature and performance of the embodiment to the utility model.
Embodiment one
A kind of high-speed rail brake block structure that the utility model preferred embodiment provides, including brake block ontology, the brake
Piece ontology includes friction plate 1 and liner plate 2, and the friction plate 1 is connected by screw to liner plate 2, is provided on the liner plate 2 several
A through hole 201 has been arranged radially heat dissipation metal tooth 202 on the inner wall of the through hole 201, the liner plate 2 of the brake block
Stairstepping protrusion 203 is provided on center, raised 203 surface is covered with copper foil；Mounting plate is provided on the liner plate 2
3。
Friction plate 1 uses ceramic material, and liner plate 2 uses 304 stainless steel materials, and heat dissipation metal tooth 202 uses brass material.
Existing high-speed rail brake block heat dissipation mostly directly carries out heat conducting and radiating using brake block rubbing surface and air, radiates
Low efficiency, braking distance are longer.A kind of high-speed rail brake block structure of the utility model, mounting plate 3 and braking system are cooperatively connected, institute
It states friction plate 1 to contact with the brake disc of high-speed rail tire, braking time control preparation of friction wafer 1, which is compressed on brake disc, generates friction, will
Kinetic energy when high-speed rail is advanced is converted into the thermal energy after friction, and the friction plate 1 transfers thermal energy to liner plate；Liner plate 2 uses steel
Material, the heat dissipation metal tooth of through hole 201 increase heat dissipation area, heat dissipation metal tooth 202 and air compared with conventional brake piece
Heat exchange is completed, heat dissipation is completed；It is covered with copper foil in stairstepping protrusion 203, also further increases heat dissipation area, each protrusion
Air pressure near 203 is different, and raised 203 surfaces form small air-flow, facilitates air circulation and takes away heat, further increases scattered
Thermal effect.A kind of high-speed rail brake block structure of the utility model, compared with conventional brake piece, using increase liner plate heat dissipation area,
Radiating efficiency is improved, when making braking, the rapid conversion thermal energy of kinetic energy that high-speed rail is advanced shortens braking distance, improves braking effect
Rate.
Embodiment two
On the basis of example 1, the brake block ontology is a part of annulus to the present embodiment, and central angle is obtuse angle；
The side of the brake block ontology is provided with several grooves 4.
Brake block is set as to a part of annulus, central angle is obtuse angle, compared to rectangle brake block, arc brake piece
Braking efficiency is higher.Groove 4 can water conservancy diversion rainwater, avoid rainwater product between friction plate and brake disc, cause brake block to skid, no
It can complete the braking to high-speed rail.
The above is only the preferred embodiment of the utility model only, the protection model being not intended to limit the utility model
It encloses, anyone skilled in the art any modification made within spirit of the present utility model and principle is equally replaced
It changes and improves, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of high-speed rail brake block structure, it is characterised in that: including brake block ontology, the brake block ontology includes friction plate
(1) it is connected by screw to liner plate (2), the friction plate (1) with liner plate (2), is provided with several on the liner plate (2) and runs through
Hole (201) has been arranged radially heat dissipation metal tooth (202) on the inner wall of the through hole (201), the liner plate (2) of the brake block
Center on be provided with that stairstepping is raised (203), the surface of the protrusion (203) is covered with copper foil；It is arranged on the liner plate (2)
There are mounting plate (3).
2. a kind of high-speed rail brake block structure according to claim 1, it is characterised in that: the brake block ontology is annulus
A part, central angle are obtuse angle.
3. a kind of high-speed rail brake block structure according to claim 1, it is characterised in that: the side of the brake block ontology is set
It is equipped with several grooves (4).
4. a kind of high-speed rail brake block structure according to claim 1, it is characterised in that: on the central axes of the liner plate (2)
It is provided with noise reduction item (204).
5. a kind of high-speed rail brake block structure according to claim 1, it is characterised in that: the heat dissipation metal tooth (202) is
Copper radiation tooth.
6. a kind of high-speed rail brake block structure according to claim 1, it is characterised in that: be provided on the friction plate (1)
Mark line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413064.2U CN209725040U (en) | 2019-03-29 | 2019-03-29 | A kind of high-speed rail brake block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413064.2U CN209725040U (en) | 2019-03-29 | 2019-03-29 | A kind of high-speed rail brake block structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725040U true CN209725040U (en) | 2019-12-03 |
Family
ID=68689257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920413064.2U Active CN209725040U (en) | 2019-03-29 | 2019-03-29 | A kind of high-speed rail brake block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725040U (en) |
-
2019
- 2019-03-29 CN CN201920413064.2U patent/CN209725040U/en active Active
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