CN213973950U - Brake control device for rail transit - Google Patents
Brake control device for rail transit Download PDFInfo
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- CN213973950U CN213973950U CN202022202008.XU CN202022202008U CN213973950U CN 213973950 U CN213973950 U CN 213973950U CN 202022202008 U CN202022202008 U CN 202022202008U CN 213973950 U CN213973950 U CN 213973950U
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- brake
- valve
- braking
- air source
- control system
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Abstract
The utility model discloses a rail transit's brake control device, including rocking arm, braking pincers assembly, brake block, seal assembly, brake disc, brake fluid hose, oil pocket, brake cylinder, brake facing, bearing, brake friction disc, braking wind regime control system, braking air supply control system, relay valve one, service brake valve, admission valve, governing valve, distributing valve, emergency brake valve, solenoid valve, relay valve two, braking wind regime control valve, protection solenoid valve, voltage limiting valve. The pressure limiting pipeline formed by the pressure limiting valve can control the pipeline air pressure of the pressure limiting pipeline close to the braking air source control system within a reasonable range so as to meet the requirement of stable operation of the braking system, and avoid overhigh or overlow pressure in the pipeline arranged inside the braking air source control system so as to improve the overall working reliability of the braking system.
Description
Technical Field
The utility model relates to a rail transit's brake control device, concretely relates to vehicle technical field.
Background
Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit is more and more types, and is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation. With the development of rail transit, rail transit vehicles suitable for different operation environments and different carrying capacities are available on the market, and the braking functions of different rail transit vehicles are different. However, the braking system of the currently-used braking control device is complex in structure and low in control precision, which is not beneficial to ensuring the stable operation of the braking clamp, and the currently-used brake utilizes the braking hydraulic pressure difference in the piston body to push and change the position of the push rod and the piston ring relative to the piston body so as to compensate the abrasion loss of the braking piece, so that the requirement on the braking hydraulic pressure difference is high, the stability is low, and the implementation effect is poor.
Disclosure of Invention
An object of the utility model is to solve the not enough of prior art, the utility model provides a rail transit's brake control device, a brake system with the brake control device who uses always at present in solving above-mentioned background art, the structure is comparatively complicated, control accuracy ground, be unfavorable for the guarantee to brake clamp even running and the stopper that uses always at present utilizes the internal braking hydraulic pressure difference of piston to promote the position that changes the relative piston body of push rod and piston ring, reach the wearing and tearing volume of compensation braking piece, thereby it is high to the poor requirement of braking hydraulic pressure, and stability is lower, implement the poor scheduling problem of effect.
In order to achieve the above object, the utility model provides a following technical scheme: a brake control device for rail transit comprises a rocker arm, a brake caliper assembly, a brake pad, a sealing assembly, a brake disc, a brake fluid hose, an oil cavity, a brake oil cylinder, a brake lining, a bearing, a brake friction plate, a brake air source control system, a relay valve I, a common brake valve, an air inlet valve, a regulating valve, a distribution valve, an emergency brake valve, an electromagnetic valve, a relay valve II, a brake air source control valve, a protection electromagnetic valve and a pressure limiting valve.
Preferably, a rocker arm is arranged on one side of the brake caliper assembly, a brake cylinder is arranged on the brake caliper assembly of the brake, a sealing component is arranged between the inner wall of an oil cavity arranged in the brake cylinder and the outer wall of a piston in the brake cylinder, a brake lining is arranged at one end of the brake cylinder, and a brake fluid hose is arranged at the other end of the brake cylinder.
Preferably, a brake pad is arranged on the piston in the brake oil cylinder along the axial direction of the piston, the brake pad is composed of a dynamic brake pad and a static brake pad, and the brake pad plays a braking role on a brake disc arranged on the brake caliper assembly.
Preferably, the inner end of the bearing directly abuts against one end of the brake oil cylinder, one side of the bearing is provided with a brake friction plate, and the brake friction plate is made of wear-resistant materials such as cast stone, a high-polymer lining plate, high-chromium cast iron and manganese steel alloy.
Preferably, the braking air source control system and the braking air source control system form a braking control system, one end of a braking relay valve arranged in the braking air source control system is connected with a relay valve II, the other end of the relay valve II is connected with an emergency braking valve through an electromagnetic valve, a common braking valve is arranged between the emergency braking valve and an air inlet valve, and the other end of the electromagnetic valve is respectively connected with the braking oil cylinder through a distribution valve and a regulating valve. When the air inlet valve is opened, the service brake system can obtain a brake air source to play a normal brake function, and when the air inlet valve is closed, the service brake system cannot obtain the brake air source, namely, the service brake system is closed.
Preferably, one end of a braking air source control valve arranged in the braking air source control system is connected with a protection electromagnetic valve, the other end of the protection electromagnetic valve is connected with a common brake valve, the common brake valve is connected with an emergency brake valve, and the other end of the emergency brake valve is connected with one end of a braking oil cylinder through a pressure limiting valve.
The pressure limiting pipeline formed by the pressure limiting valve can control the pipeline air pressure of the pressure limiting pipeline close to the braking air source control system within a reasonable range so as to meet the requirement of stable operation of the braking system, and avoid overhigh or overlow internal pressure of the pipeline arranged in the braking air source control system so as to improve the overall working reliability of the braking system, and in addition, the working pressure of the pressure limiting valve is usually 5bar under the general working condition environment. In the actual operation process of the equipment, the working pressure of the pressure limiting valve can be flexibly adjusted by workers according to the actual working conditions.
Compared with the prior art, the utility model provides a rail transit's brake control device possesses following beneficial effect:
1. the pressure limiting pipeline formed by the pressure limiting valve can control the pipeline air pressure of the pressure limiting pipeline close to the braking wind source control system within a reasonable range so as to meet the stable operation requirement of the braking system, and avoid overhigh or overlow pressure in the pipeline arranged inside the braking wind source control system so as to improve the overall working reliability of the braking system.
2. After the electronic processing unit of the service brake system and related components of the service brake system are in failure, the service brake system can be removed independently through the first air path control mechanism, the emergency brake system is still in a working state, and when the rail train needs to be braked, sufficient brake torque is provided, so that the brake efficiency of a corresponding carriage and the running safety of the rail train are ensured. The braking air source control valve arranged in the braking air source control system can ensure that the main air device can stably and continuously perform air charging operation on the train pipe; when meetting emergency, the vehicle is in the reserve braking mode, breaks off its safety loop through the distributing valve this moment, makes braking wind regime control valve lose the electricity disconnection, makes the air current can't directly let in train pipe department by total wind device department from this and fills the wind, reduces the operation degree of difficulty from this, makes the utility model discloses the structure is comparatively simple to reinforcing control accuracy.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a brake control device for rail transit according to the present invention;
fig. 2 is a partial structural schematic diagram of a brake control device for rail transit provided by the present invention;
fig. 3 is a schematic view of a brake control system of rail transit according to the present invention;
in the figure: 1. a rocker arm; 2. a brake caliper assembly; 3. a brake pad; 4. a seal assembly; 5. a brake disc; 6. a brake fluid hose; 7. an oil chamber; 8. a brake cylinder; 9. a brake lining; 10. a bearing; 11. braking the friction plate; 12. a braking wind source control system; 13. a relay valve I; 14. a service brake valve; 15. an intake valve; 17. adjusting a valve; 18. a dispensing valve; 19. an emergency brake valve; 20. an electromagnetic valve; 21. a second relay valve; 23. a brake air source control valve; 24. protecting the electromagnetic valve; 27. a pressure limiting valve; 28. and a brake air source control system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model relates to a rail transit's brake control device, including rocking arm 1, braking pincers assembly 2, brake block 3, seal assembly 4, brake disc 5, brake fluid hose 6, oil pocket 7, brake cylinder 8, brake lining 9, bearing 10, brake friction disc 11, braking wind regime control system 12, braking air supply control system 28, relay valve 13, service brake valve 14, admission valve 15, governing valve 17, distributing valve 18, emergency brake valve 19, solenoid valve 20, relay valve two 21, braking wind regime control valve 23, protection solenoid valve 24, pressure limiting valve 27.
As shown in fig. 1, the present embodiment provides a brake control device for rail transit, which is characterized in that: the brake caliper assembly comprises a brake caliper assembly 2, and is characterized in that a rocker arm 1 is arranged on one side of the brake caliper assembly 2, a brake cylinder 8 is arranged on the brake caliper assembly 2 of the brake, a sealing component 4 is arranged between the inner wall of an oil cavity 7 arranged in the brake cylinder 8 and the outer wall of a piston in the brake cylinder 8, a brake lining 9 is arranged at one end of the brake cylinder 8, and a brake fluid hose 6 is arranged at the other end of the brake cylinder 8.
As shown in fig. 2, the present embodiment provides a brake control device for rail transit, which is characterized in that: the brake cylinder 8 is characterized in that a piston inside is provided with a brake pad 3 along the axial direction, the brake pad 3 is composed of a dynamic brake pad and a static brake pad, and the brake pad 3 plays a braking role in a brake disc 5 arranged on the brake caliper assembly 2.
As shown in fig. 2, the present embodiment provides a brake control device for rail transit, which is characterized in that: the inner end of the bearing 10 is directly abutted against one end of the brake oil cylinder 8, and one side of the bearing 10 is provided with a brake friction plate 11.
As shown in fig. 3, the present embodiment provides a brake control device for rail transit, which is characterized in that: the brake air source control system 28 and the brake air source control system 12 form a brake control system, one end of a first brake relay valve 13 arranged in the brake air source control system 28 is connected with a second relay valve 21, the other end of the second relay valve 21 is connected with an emergency brake valve 19 through an electromagnetic valve 20, a common brake valve 14 is arranged between the emergency brake valve 19 and an air inlet valve 15, and the other end of the electromagnetic valve 20 is respectively connected with the brake oil cylinder 8 through a regulating valve 17 through a distributing valve 18. When the air inlet valve 15 is opened, the service brake system can obtain a brake air source to play a normal brake function, and when the air inlet valve 15 is closed, the service brake system cannot obtain the brake air source, namely, the service brake system is closed.
As shown in fig. 3, the present embodiment provides a brake control device for rail transit, which is characterized in that: one end of a braking air source control valve 23 arranged in the braking air source control system 12 is connected with a protection electromagnetic valve 24, the other end of the protection electromagnetic valve 24 is connected with a common brake valve 14, the common brake valve 14 is connected with an emergency brake valve 19, and the other end of the emergency brake valve 19 is connected with one end of a brake oil cylinder 8 through a pressure limiting valve 27.
The utility model discloses an use flow: the brake pad 3 arranged on the brake caliper assembly 2, the base plate positioned on the brake caliper assembly 2 and the brake friction sheet which is fixedly connected on the base plate and can be abutted against the brake disc are arranged on the base plate, when the equipment is braked, the bearing 10 slides under the action of the axial direction of the equipment, so that the movable brake pad of the brake pad 3 is pushed to move, the brake disc 5 is matched with the static brake pad of the brake pad for use, the braking effect is achieved, and the braking stability can be enhanced,
after the electronic processing unit of the service brake system and related components of the service brake system are in failure, the service brake system can be removed independently through the first air path control mechanism, the emergency brake system is still in a working state, and when the rail train needs to be braked, sufficient brake torque is provided, so that the brake efficiency of a corresponding carriage and the running safety of the rail train are ensured. The braking air source control valve 23 arranged in the braking air source control system 12 can ensure that the main air device can stably and continuously perform air charging operation on train pipes; when meetting emergency, the vehicle is in the backup braking mode, breaks off its safety loop through the distributing valve this moment, makes 23 electricity loss disconnections of braking wind regime control valve, makes the air current can't directly let in train pipe department by total wind device department and fills the wind from this, reduces the operation degree of difficulty, makes the utility model discloses the structure is comparatively simple to reinforcing control accuracy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A brake control device of rail transit is characterized in that: the brake system comprises a rocker arm (1), a brake caliper assembly (2), a brake pad (3), a sealing assembly (4), a brake disc (5), a brake fluid hose (6), an oil cavity (7), a brake cylinder (8), a brake lining (9), a bearing (10), a brake friction plate (11), a brake air source control system (12), a brake air source control system (28), a relay valve I (13), a common brake valve (14), an air inlet valve (15), a regulating valve (17), a distribution valve (18), an emergency brake valve (19), an electromagnetic valve (20), a relay valve II (21), a brake air source control valve (23), a protection electromagnetic valve (24) and a pressure limiting valve (27); a rocker arm (1) is arranged on one side of the brake caliper assembly (2), a brake cylinder (8) is arranged on the brake caliper assembly (2), a sealing assembly (4) is arranged between the inner wall of an oil cavity (7) arranged in the brake cylinder (8) and the outer wall of a piston in the brake cylinder (8), a brake lining (9) is arranged at one end of the brake cylinder (8), and a brake fluid hose (6) is arranged at the other end of the brake cylinder (8); a brake pad (3) is arranged on a piston in the brake oil cylinder (8) along the axial direction of the piston, the brake pad (3) consists of a dynamic brake pad and a static brake pad, and the brake pad (3) plays a braking role on a brake disc (5) arranged on the brake caliper assembly (2); one end of the bearing (10) is directly abutted against one end of the brake oil cylinder (8), and one side of the bearing (10) is provided with a brake friction plate (11).
2. The brake control device for rail transit according to claim 1, wherein: the brake air source control system comprises a brake air source control system (28) and a brake air source control system (12), one end of a brake relay valve I (13) arranged in the brake air source control system (28) is connected with a relay valve II (21), the other end of the relay valve II (21) is connected with an emergency brake valve (19) through an electromagnetic valve (20), a common brake valve (14) is arranged between the emergency brake valve (19) and an air inlet valve (15), and the other end of the electromagnetic valve (20) is connected with a brake oil cylinder (8) through a distribution valve (18) respectively in a regulating valve (17).
3. The brake control device for rail transit according to claim 1, wherein: one end of a braking air source control valve (23) arranged in the braking air source control system (12) is connected with a protection electromagnetic valve (24), the other end of the protection electromagnetic valve (24) is connected with a common brake valve (14), the common brake valve (14) is connected with an emergency brake valve (19), and the other end of the emergency brake valve (19) is connected with one end of a brake oil cylinder (8) through a pressure limiting valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202008.XU CN213973950U (en) | 2020-09-30 | 2020-09-30 | Brake control device for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022202008.XU CN213973950U (en) | 2020-09-30 | 2020-09-30 | Brake control device for rail transit |
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| Publication Number | Publication Date |
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| CN213973950U true CN213973950U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022202008.XU Active CN213973950U (en) | 2020-09-30 | 2020-09-30 | Brake control device for rail transit |
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| CN (1) | CN213973950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833783A (en) * | 2021-11-29 | 2021-12-24 | 宁波合力制动系统有限公司 | Split type mounting structure of rear axle stopper |
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2020
- 2020-09-30 CN CN202022202008.XU patent/CN213973950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833783A (en) * | 2021-11-29 | 2021-12-24 | 宁波合力制动系统有限公司 | Split type mounting structure of rear axle stopper |
| CN113833783B (en) * | 2021-11-29 | 2022-02-18 | 宁波合力制动系统有限公司 | Split type mounting structure of rear axle stopper |
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