CN112762114A - Brake block for brake device - Google Patents
Brake block for brake device Download PDFInfo
- Publication number
- CN112762114A CN112762114A CN202110093875.0A CN202110093875A CN112762114A CN 112762114 A CN112762114 A CN 112762114A CN 202110093875 A CN202110093875 A CN 202110093875A CN 112762114 A CN112762114 A CN 112762114A
- Authority
- CN
- China
- Prior art keywords
- brake
- brake block
- base body
- covering layer
- block base
- 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.)
- Pending
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Classifications
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- 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
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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- 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
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
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- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0021—Steel
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- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0056—Elastomers
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- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
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- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0007—Casting
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- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
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- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
- F16D2250/0076—Welding, brazing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake block for a brake device, which comprises a brake block base body and a covering layer, wherein the covering layer is used as a friction body and is arranged on a braking force acting surface of the brake block base body; at least two transverse V-shaped grooves and at least two longitudinal V-shaped grooves are processed and manufactured on the braking force acting surface of the brake block base body, and the transverse V-shaped grooves and the longitudinal V-shaped grooves are arranged in a cross mode, so that conical protrusions are formed on the braking force acting surface of the brake block base body; the covering layer is directly cast on the conical protrusion of the brake block base body in a casting mode, so that the brake block base body and the covering layer are cast into an integrated structure. The invention can increase the reliability of the braking performance of the brake on the basis of effectively improving the abrasion performance and the service life of the brake block, has more compact structure, simple and convenient processing and manufacture and more convenient and rapid replacement or disassembly.
Description
Technical Field
The invention relates to the technical field of braking, in particular to a brake block for a braking device.
Background
In the prior art, one known technology is a brake block manufactured by processing non-asbestos materials, the other known technology is a brake block manufactured by processing powder metallurgy materials, the two brake blocks have abrasion phenomena after being used for a certain period of time, the braking performance and the service life of the brake block are influenced, meanwhile, the friction coefficient of the brake block cannot be changed, and if the braking torque of the brake is increased, only the acting force acting on the corresponding brake block can be increased or the number of the brakes can be increased, so that the structural size of a braking system is larger, and the weight of the braking system is increased.
In addition, a known technology is that a brake block with a base body made of common steel is embedded with a plurality of hard alloy tool bits, copper solder is overlaid on the surface of the brake block base body, and only a small part of the tool bits are exposed finally.
Publication (bulletin) No.: CN211117259U, publication (public notice) day: 2020-07-28 relates to the technical field of braking and provides a caliper brake. A caliper brake comprising: the brake block is hinged to a jaw part of the caliper brake, and a friction piece is fixed on the brake block; and the locking piece is switched between the positions for locking or releasing the brake block, and the brake block is fixed at the jaw part at the locking position. According to the caliper brake, the brake block is hinged to the jaw part of the caliper brake, so that the installation angle of the brake block can be adjusted, when the caliper brake is closed, the surface of the friction piece is fully contacted with the braked piece, and the braking purpose is further achieved. And because the friction piece is fully contacted with the surface of the braked piece all the time in the braking process, the abrasion of the friction piece can be reduced, the braking effect is ensured, and the service life of the caliper brake is prolonged.
Publication (bulletin) No.: CN106366366A, publication (public notice) day: the composite brake shoe for braking the high-speed railway at the speed of 300km/h per 2017-02-01 comprises a friction body and a steel back, wherein the friction body comprises butadiene rubber, high-temperature-resistant boron modified resin, aramid fiber, graphite, a liquid quenching agent, high-temperature-resistant filler, carbon-carbon fiber, sulfur, zinc oxide, a vulcanization accelerator, an anti-aging agent, carbon black, stearic acid and iron oxide brown; the composite brake shoe provided by the invention has the advantages of light specific gravity, low hardness and no thermal damage to wheels, and can be used on a high-speed train with the speed per hour of 300 km/h.
Publication (bulletin) No.: CN107218325A, publication (public notice) day: 2017-09-29 discloses a brake pad for a high-speed train, which comprises a base plate and a plurality of friction plates arranged on the base plate, wherein the friction plates are provided with connecting pin shafts, the connecting pin shafts penetrate through mounting through holes in the base plate and are elastically and floatingly connected with the base plate through elastic components, and elastic supporting components capable of elastically deforming in the axial direction of the connecting pin shafts are clamped between the friction plates and the base plate. The brake pad for the high-speed train has the advantages of good braking performance, low manufacturing and assembling difficulty, low cost and the like.
Publication (bulletin) No.: CN206145035U, publication (public notice) day: 2017-05-03 discloses a friction plate of a powder metallurgy brake pad with an embedded structure, which belongs to the technical field of vehicle braking devices and comprises a steel back with a plate-shaped structure, a pin shaft connected with the back of the steel back, and a friction body connected with the front of the steel back, wherein the friction body is partially embedded into the steel back, the steel back and the pin shaft are integrally formed, a channel which is used for enabling the friction body to be embedded into and penetrates through the end face of the steel back is arranged on the front end face of the steel back, and the steel back and the pin shaft are integrally formed, so that the structure of the steel back is changed, the complex process for producing the steel back is avoided, the manufacturing difficulty is reduced, meanwhile, the channel for embedding the friction body is arranged on the steel back, the friction body is better sintered with the steel back, the sintering efficiency of the friction body is improved, and the production cost and the quality loss.
In summary, the technical solutions of the above-disclosed technologies, the technical problems to be solved, and the advantageous effects thereof are all different from the present invention, or the technical fields or the application occasions are different, and no technical inspiration exists in the above-disclosed technical documents for more technical features, technical problems to be solved, and advantageous effects thereof.
Disclosure of Invention
The invention aims to provide a brake block for a brake device, aiming at the defects in the prior art, the brake block can improve the reliability of the braking performance of a brake on the basis of effectively improving the abrasion performance and the service life of the brake block, has a more compact structure, is simple and convenient to process and manufacture, and is more convenient and quicker to replace or disassemble.
In order to achieve the purpose, the invention adopts the following technical scheme:
a brake block for a brake device comprises a brake block base body and a covering layer, wherein the covering layer is used as a friction body and is arranged on a braking force acting surface of the brake block base body;
at least two transverse V-shaped grooves and at least two longitudinal V-shaped grooves are processed and manufactured on the braking force acting surface of the brake block base body, and the transverse V-shaped grooves and the longitudinal V-shaped grooves are arranged in a cross mode, so that conical protrusions are formed on the braking force acting surface of the brake block base body; the covering layer is directly cast on the conical protrusion of the brake block base body in a casting mode, so that the brake block base body and the covering layer are cast into an integrated structure.
Further, the covering layer is made of wear-resistant, flame-retardant and antistatic rubber materials.
Further, the overall thickness of the covering layer is larger than the height of the conical protrusion of the brake block base body.
Further, the V-shaped groove is machined by a numerical control machine.
Further, the brake block base material is steel, specifically low-carbon steel or low-carbon alloy steel, and the heat treatment process is a carburizing process.
Further, the brake block base material is steel, in particular to tool steel, and the heat treatment process is a quenching process.
Further, the hardness of the surface of the conical projection on the braking force acting surface of the brake block base body is greater than that of the surface of the acted object contacting surface.
Furthermore, the brake block base body is fixedly connected with the braking end of the brake clamp body in a welding mode or a threaded connection mode.
Furthermore, the shape of the brake block is required to be manufactured according to the installation mode of the brake body and the contact surface condition of the acted object.
Furthermore, the shape of the braking force acting surface of the brake block is required to be made according to the contact surface condition of the acted object.
Furthermore, the density and the hardness of the covering layer of the brake block are determined according to the requirements of the contact surface condition of the acted object.
Compared with the prior art, the invention has the following beneficial effects:
1. the conical bulge is processed and manufactured on the braking force acting surface of the brake block base body, and has certain heat treatment requirements and hardness requirements, and in the braking process of the braking device, the extrusion strength of the base body can be improved, so that the surface of an acted object is locally deformed, the gripping force between the brake block and the acted object is increased, the friction coefficient of the brake block is increased, and the braking performance of the brake is improved.
2. The brake block and the brake clamp body adopt different connection modes, and the replacement or the disassembly and the assembly are more convenient and faster.
4. The brake shoe base body can be manufactured into various shapes, and can meet the requirements of different conditions of the installation mode of the brake shoe base body and the contact surface of an object to be acted.
5. The brake block braking force acting surface can be processed into various shapes, and can meet the requirements of different conditions of the contact surface of an acted object.
6. The covering layer is wear-resistant, flame-retardant and antistatic rubber and has a certain anticorrosion protection effect; the density and hardness of the brake block can be determined according to the contact surface condition of an acted object, the wear resistance of the brake block can be improved and the service life of the brake block can be prolonged in the working process of the brake device, and the generation of sparks and dust can be prevented during braking.
7. The covering layer is encapsulated and cast on the cone of the substrate in an encapsulating and casting mode, and is effectively combined with the encapsulating layer, so that the possibility of friction and falling of the encapsulating layer is greatly reduced.
8. The brake block is applicable to various braking devices.
Drawings
Fig. 1 is a schematic view of a brake pad for a brake apparatus according to the present invention.
In the figure: 1. a brake caliper body; 2. a brake shoe base; 3. an affected substance; 4. and (4) a covering layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a brake block for a brake device comprises a brake block base body 2 and a covering layer 4, wherein the covering layer is used as a friction body and arranged on a braking force acting surface of the brake block base body;
at least two transverse V-shaped grooves and at least two longitudinal V-shaped grooves are processed and manufactured on the braking force acting surface of the brake block base body, and the transverse V-shaped grooves and the longitudinal V-shaped grooves are arranged in a cross mode, so that conical protrusions are formed on the braking force acting surface of the brake block base body; the covering layer is directly cast on the conical protrusion of the brake block base body in a casting mode, so that the brake block base body and the covering layer are cast into an integrated structure.
Further, the covering layer is made of wear-resistant, flame-retardant and antistatic rubber materials.
Further, the overall thickness of the covering layer is larger than the height of the conical protrusion of the brake block base body.
Further, the V-shaped groove is machined by a numerical control machine.
Further, the brake block base material is steel, specifically low-carbon steel or low-carbon alloy steel, and the heat treatment process is a carburizing process.
Further, the brake block base material is steel, in particular to tool steel, and the heat treatment process is a quenching process.
Further, the hardness of the surface of the conical projection on the braking force acting surface of the brake block base body is greater than that of the surface of the acted object contacting surface.
Furthermore, the brake block base body is fixedly connected with the braking end of the brake caliper body 1 in a welding mode or a threaded connection mode.
Furthermore, the shape of the brake block is required to be manufactured according to the installation mode of the brake body and the contact surface condition of the acted object.
Furthermore, the shape of the braking force acting surface of the brake block is required to be made according to the contact surface condition of the acted object.
Furthermore, the density and the hardness of the covering layer of the brake block are determined according to the requirements of the contact surface condition of the acted object.
The brake pad comprises a pad base body 2 and a cover layer 4. The acting force of the braking device acts on the acted object 3 through the brake caliper 1, the brake block base body 2 and the covering layer 4. The brake block base body 2 is connected with the brake clamp body 1 through threads or welding; the covering layer 4 on the brake shoe base body 2 acts on the contact surface of the acted object 3.
A plurality of crossed V-shaped grooves are processed and manufactured on the braking force acting surface of the brake block base body to form a conical bulge; the covering layer is made of wear-resistant, flame-retardant and antistatic rubber and is cast on the cone of the base body, and the surface of the covering layer is higher than the top end of the conical protrusion by a certain height.
The conical bulge on the brake block base body braking force acting surface is a cone which is processed by a numerical control machine and has certain pitch, height and angle.
The brake block base material is steel, and the heat treatment process comprises the following steps: low carbon steel (or low carbon alloy steel), carburizing process or tool steel and quenching process. The hardness of the surface of the conical bulge on the braking force acting surface of the brake block base body is greater than that of the contact surface material of the acted object.
According to the requirement of the connection mode of the brake block base body and the brake clamp body, the brake block can adopt the modes of thread connection or welding and the like.
According to the requirement of the thread connection mode of the brake block base body and the brake clamp body, connection threaded holes can be processed and manufactured on other action surfaces where the brake block base body is not braked according to the requirement of the installation mode.
According to the installation mode of the brake shoe base body and the brake clamp body and the condition of the contact surface of an acted object, the brake shoe base body can be processed into various shapes such as a strip shape, a square shape, a round shape and the like.
According to the requirement of the action mode of the braking force, the braking force action surface of the brake block base body can be processed and manufactured into the shapes of a plane, an arc surface, a special-shaped surface and the like according to the condition of the contact surface of an acted object.
The density and hardness of the covering layer of the brake block base body are determined according to the contact surface condition of the acted object.
The invention comprises a substrate and a cover layer. Processing and manufacturing conical protrusions with certain pitch, height, angle and hardness on the braking force action surface of the brake block matrix; according to the installation mode of the brake block and the brake body and the condition of the contact surface of the acted object, the brake block can adopt different connection modes, and the brake block and the surface of the base body can be processed into various shapes; the covering layer is made of wear-resistant, flame-retardant and antistatic rubber and is cast on the conical protrusions of the base body, and the surface of the covering layer is higher than the top ends of the conical protrusions by a certain height. The brake block with the structure can increase the reliability of the braking performance of the brake on the basis of effectively improving the abrasion performance and the service life of the brake block, has more compact structure, simple and convenient processing and manufacture, and is more convenient and quicker to replace or disassemble.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A brake block for a brake device comprises a brake block base body and a covering layer, wherein the covering layer is used as a friction body and is arranged on a braking force acting surface of the brake block base body;
the brake block is characterized in that at least two transverse V-shaped grooves and at least two longitudinal V-shaped grooves are processed and manufactured on the braking force acting surface of the brake block base body, and the transverse V-shaped grooves and the longitudinal V-shaped grooves are mutually crossed and arranged, so that conical protrusions are formed on the braking force acting surface of the brake block base body; the covering layer is directly cast on the conical protrusion of the brake block base body in a casting mode, so that the brake block base body and the covering layer are cast into an integrated structure.
2. The brake pad of claim 1, wherein the covering layer is a wear-resistant, flame-retardant, antistatic rubber material.
3. A brake pad for a brake rigging according to claim 1 or 2, wherein the overall thickness of said cover layer is greater than the height of the conical projection of the pad base.
4. A brake block for a brake rigging according to claim 1 or 2, wherein said V-shaped groove is machined by a numerically controlled machine.
5. The brake pad of claim 1 or 2, wherein the brake pad base material is steel, in particular low carbon steel or low carbon alloy steel, and the heat treatment process is a carburizing process.
6. The brake pad for a brake apparatus according to claim 1 or 2, wherein the base material of the brake pad is a steel material, in particular a tool steel, and the heat treatment process is a quenching process.
7. A brake pad for a brake rigging according to claim 1 or 2, wherein said brake pad base body brake application surface has a conical projection surface hardness greater than a material hardness of a material of a contact surface of an object to be applied.
8. The brake pad of claim 1 or 2, wherein the pad body is fixedly coupled to the braking end of the brake caliper body by welding or screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093875.0A CN112762114A (en) | 2021-01-22 | 2021-01-22 | Brake block for brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093875.0A CN112762114A (en) | 2021-01-22 | 2021-01-22 | Brake block for brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762114A true CN112762114A (en) | 2021-05-07 |
Family
ID=75706981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110093875.0A Pending CN112762114A (en) | 2021-01-22 | 2021-01-22 | Brake block for brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762114A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026518A (en) * | 2022-06-28 | 2022-09-09 | 天津铁科铁路信号有限公司 | Method for machining brake caliper of vehicle speed reducer |
-
2021
- 2021-01-22 CN CN202110093875.0A patent/CN112762114A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026518A (en) * | 2022-06-28 | 2022-09-09 | 天津铁科铁路信号有限公司 | Method for machining brake caliper of vehicle speed reducer |
| CN115026518B (en) * | 2022-06-28 | 2024-03-22 | 天津铁科铁路信号有限公司 | Machining method for brake caliper of vehicle speed reducer |
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