CN209743441U - Exhaust spring brake device - Google Patents
Exhaust spring brake device Download PDFInfo
- Publication number
- CN209743441U CN209743441U CN201822140894.0U CN201822140894U CN209743441U CN 209743441 U CN209743441 U CN 209743441U CN 201822140894 U CN201822140894 U CN 201822140894U CN 209743441 U CN209743441 U CN 209743441U
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- China
- Prior art keywords
- valve
- brake
- spring brake
- spring
- pneumatic control
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- 238000007789 sealing Methods 0.000 claims description 5
- 230000003137 locomotive effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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- Braking Systems And Boosters (AREA)
Abstract
An exhaust spring brake device belongs to a locomotive air and spring brake device. The double-acting spring brake cylinder mainly solves the problems that the existing double-acting spring brake cylinder is large in size and high in cost, and has no air brake and spring brake effect during air brake. The technical scheme is as follows: the brake system comprises a single-chamber spring brake cylinder (1), a normally closed pneumatic control valve (2), a normally open pneumatic control valve (3), a hand-operated valve (4) and a brake valve (5), wherein two ends of the single-chamber spring brake cylinder (1) are respectively provided with an air inlet, the two air inlets respectively form a loop through air pipes, the loop is connected with the brake valve (5) and the hand-operated valve (4), and the normally closed pneumatic control valve (2) and the normally open pneumatic control valve (3) are connected in parallel on the loop.
Description
Technical Field
The utility model relates to a novel arresting gear of locomotive, especially an exhaust spring arresting gear.
Background
At present, a double-acting brake cylinder is adopted in an exhaust brake device used in the market, the brake cylinder is large in size and high in cost, and the double-acting superposition function of air brake and spring brake is not available when air brake is implemented, so that the brake cylinder is difficult to configure on a small-tonnage locomotive. The novel brake device of the locomotive adopts the single-acting brake cylinder, is not only small, has the cost of only 30 percent of the double-acting brake cylinder, and has the double-acting superposition function of air brake and spring brake when implementing air brake, so that the brake force is larger, and the brake effect is better.
Disclosure of Invention
The utility model aims at providing a small, with low costs, the effectual exhaust spring arresting gear of braking.
The utility model provides a technical scheme that its technical problem adopted is: the brake system comprises a single-chamber spring brake cylinder 1, a normally closed pneumatic control valve 2, a normally open pneumatic control valve 3, a hand-operated valve 4 and a brake valve 5, wherein two ends of the single-chamber spring brake cylinder 1 are respectively provided with an air inlet, the two air inlets form a loop through air pipes respectively, the loop is connected with the brake valve 5 and the hand-operated valve 4, and the normally closed pneumatic control valve 2 and the normally open pneumatic control valve 3 are connected in parallel on the loop.
And a quick exhaust valve 6 is arranged between the single-chamber spring brake cylinder 1 and the normally-open pneumatic control valve 3.
A relay valve 7 is provided between the circuit and the brake valve 5.
The single-chamber spring brake cylinder 1 comprises a cylinder barrel, a piston rod, a piston, a spring, a rod side end cover, a rodless side end cover, a sealing ring and a guide sleeve, wherein the rod side end cover and the rodless side end cover are arranged at two ends of the cylinder barrel, the guide sleeve is arranged on the outer side of the rod side end cover, the piston rod penetrates through the guide sleeve and the rod side end cover, the piston is arranged at one end in the cylinder barrel, the sealing ring is arranged on the piston, the spring is arranged in the cylinder barrel, one end of the spring is connected to the piston, and the.
The utility model discloses a principle makes the air get into single-chamber spring brake jar 1 through operation hand rotary valve 4 through normally opening gas accuse valve 3, and compression spring makes the air be full of the brake jar.
The utility model has the advantages that: the single-acting spring brake cylinder with small volume and low cost is adopted to synthesize the novel spring brake device by additionally arranging the two air control valves, the cost is only 30 percent of that of a double-acting brake cylinder, and when air braking is implemented, the function of the double-acting spring brake cylinder is completely realized, exhaust spring braking can be realized, and when air braking of a locomotive is also realized, the double-acting superposition function of air braking and spring braking is realized, the braking force is larger, and the braking effect is better.
Drawings
Fig. 1 is a schematic diagram (one) of the present invention.
Fig. 2 is a schematic diagram (ii) of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a side view of the present invention.
In the figure: 1-single chamber spring brake cylinder, 11-cylinder, 12-piston rod, 13-piston, 14-spring, 15-rod side end cover, 16-rodless side end cover, 17-sealing ring, 18-guide sleeve, 2-normally closed pneumatic control valve, 3-normally open pneumatic control valve, 4-hand rotating valve, 5-loop and brake valve, 6-quick exhaust valve and 7-relay valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Embodiment 1, the utility model discloses a single chamber spring brake jar 1, normally closed gas accuse valve 2, normally open gas accuse valve 3, hand change valve 4 and brake valve 5, single chamber spring brake jar 1 both ends respectively are provided with an air inlet, and two air inlets form the return circuit through the trachea respectively, and the return circuit is connected with brake valve 5, hand change valve 4, and the parallelly connected normally closed gas accuse valve 2 and normally open gas accuse valve 3 on the return circuit. See fig. 1-4.
In embodiment 2, a quick exhaust valve 6 is arranged between the single-chamber spring brake cylinder 1 and the normally-open pneumatic control valve 3. Referring to fig. 1 to 4, the rest is the same as embodiment 1.
In embodiment 3, a relay valve 7 is provided between the circuit and the brake valve 5. Referring to fig. 1 to 4, the rest of the embodiment is the same as the above embodiment.
In embodiment 4, the single-chamber spring brake cylinder 1 includes a cylinder 11, a piston rod 12, a piston 13, a spring 14, a rod-side end cover 15, a rodless-side end cover 16, a seal ring 17, and a guide sleeve 18, where the rod-side end cover 15 and the rodless-side end cover 16 are disposed at two ends of the cylinder 11, the guide sleeve 18 is disposed outside the rod-side end cover 15, the piston rod 12 passes through the guide sleeve 18 and the rod-side end cover 15, the piston 13 is disposed at one end inside the cylinder 11, the seal ring 17 is disposed on the piston 13, the spring 14 is disposed inside the cylinder 11, one end of the spring 14 is connected to the piston 13, and the other end. Referring to fig. 1 to 4, the rest of the embodiment is the same as the above embodiment.
The working principle is as follows:
cylinder diameter: diameter 160
Stroke: 100
Working pressure: 0.4-0.5MPa
When not ventilating, the spring pressure is 460Kg
The spring pressure is 1000Kg after 100 strokes.
Claims (4)
1. An exhaust spring brake device, characterized by: the brake system comprises a single-chamber spring brake cylinder (1), a normally closed pneumatic control valve (2), a normally open pneumatic control valve (3), a hand-operated valve (4) and a brake valve (5), wherein two ends of the single-chamber spring brake cylinder (1) are respectively provided with an air inlet, the two air inlets respectively form a loop through air pipes, the loop is connected with the brake valve (5) and the hand-operated valve (4), and the normally closed pneumatic control valve (2) and the normally open pneumatic control valve (3) are connected in parallel on the loop.
2. The exhaust spring brake apparatus according to claim 1, wherein: a quick exhaust valve (6) is arranged between the single-chamber spring brake cylinder (1) and the normally open pneumatic control valve (3).
3. The exhaust spring brake apparatus according to claim 1, wherein: a relay valve (7) is arranged between the loop and the brake valve (5).
4. The exhaust spring brake apparatus according to claim 1, wherein: the single-chamber spring brake cylinder (1) comprises a cylinder barrel, a piston rod, a piston, a spring, a rod side end cover, a rodless side end cover, a sealing ring and a guide sleeve, wherein the rod side end cover and the rodless side end cover are arranged at two ends of the cylinder barrel, the guide sleeve is arranged on the outer side of the rod side end cover, the piston rod penetrates through the guide sleeve and the rod side end cover, the piston is arranged at one end in the cylinder barrel, the sealing ring is arranged on the piston, the spring is arranged in the cylinder barrel, one end of the spring is connected to the piston, and the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822140894.0U CN209743441U (en) | 2018-12-20 | 2018-12-20 | Exhaust spring brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822140894.0U CN209743441U (en) | 2018-12-20 | 2018-12-20 | Exhaust spring brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743441U true CN209743441U (en) | 2019-12-06 |
Family
ID=68703805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822140894.0U Active CN209743441U (en) | 2018-12-20 | 2018-12-20 | Exhaust spring brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743441U (en) |
-
2018
- 2018-12-20 CN CN201822140894.0U patent/CN209743441U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 411200 east side of Haitang Road, Yisuhe Town, Xiangtan County, Xiangtan City, Hunan Province (Xiangtan Tianyi demonstration area) Patentee after: Hunan Shaoli Group Electric Co.,Ltd. Address before: 411228 Chief Engineer's Office of Shaoli Electric Company, East Side of Haitang Road, Yiguhe Economic Development Zone, Xiangtan City, Hunan Province Patentee before: XIANGTAN ELECTRIC LOCOMOTIVE FACTORY Co.,Ltd. |