CN204095795U - Pneumatic braking device and there is the vehicle of this Pneumatic braking device - Google Patents
Pneumatic braking device and there is the vehicle of this Pneumatic braking device Download PDFInfo
- Publication number
- CN204095795U CN204095795U CN201420421021.6U CN201420421021U CN204095795U CN 204095795 U CN204095795 U CN 204095795U CN 201420421021 U CN201420421021 U CN 201420421021U CN 204095795 U CN204095795 U CN 204095795U
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- brake
- valve
- air
- vehicle
- way check
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- 238000004146 energy storage Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model provides a kind of vehicle and Pneumatic braking device thereof.Wherein, vehicle Pneumatic braking device comprises: the inflation pump connected successively, rear braking air receiver, foot brake valves, relay valve and energy storage spring brake chamber and parking brake air receiver, hand brake valve, rapid release valve and double-way check valve.The inlet end of hand brake valve is connected with inflation pump by parking brake gas outlet, and the outlet side of hand brake valve is connected with the first inlet end of double-way check valve; Second inlet end of double-way check valve is connected with the outlet side of foot brake valves; The outlet side of double-way check valve is associated with energy storage spring brake chamber is connected by rapid release valve; When trampling service brake when vehicle is in parking brake parking, Pneumatic braking device of the present utility model can automatically terminate the braking during standstill of parking brake, avoid occurring the overload of energy stroage spring air chamber under energy stroage spring, foot brake double action, improve the reliability of component life and brake system use, increase the safety in passenger vehicle driving conditions.
Description
Technical Field
The utility model relates to the technical field of vehicles, particularly, relate to a pneumatic brake device and have this pneumatic brake device's vehicle.
Background
Currently, air-brake vehicles are typically braked by a rear axle brake device. Structure of the rear axle brake device referring to fig. 1, the rear axle brake device includes: the brake system comprises an inflating pump 1 ', an air dryer 2', a four-circuit protection valve 3 ', a rear brake air cylinder 4', a foot brake valve 5 ', a relay valve 6', an energy storage spring brake air chamber 7 ', a hand brake air cylinder 8', a hand brake valve 9 'and a quick release valve 10'. Wherein, the inflating pump 1 ', the air dryer 2 ', the four-circuit protection valve 3 ', the rear brake air cylinder 4 ', the foot brake valve 5 ', the relay valve 6 ' and the energy storage spring brake air chamber 7 ' are connected in sequence to form a foot brake circuit; the inflating pump 1 ', the air dryer 2 ', the four-loop protection valve 3 ', the hand brake air cylinder 8 ', the hand brake valve 9 ', the quick release valve 10 ' and the energy storage spring brake air chamber 7 ' are sequentially connected to form a hand brake loop. The brake control principle is as follows: when a driver controls the foot brake valve 5 ', the air sequentially passes through the inflating pump 1', the air dryer 2 ', the four-circuit protection valve 3', the rear brake air cylinder 4 ', the foot brake valve 5' and the relay valve 6 'and finally enters the energy storage spring brake air chamber 7', so that the foot brake is realized; when the hand brake valve 9 'is pulled up, the air sequentially passes through the inflating pump 1', the air dryer 2 ', the four-circuit protection valve 3', the hand brake air storage cylinder 8 ', the hand brake valve 9' and the quick release valve 10 'and finally enters the energy storage spring brake air chamber 7' to realize hand brake.
In the running process of the vehicle, if a driver pulls up the hand brake to park, the foot brake function is still implemented, the energy storage spring brake air chamber 7 is overloaded under the dual functions of the energy storage spring and the foot brake, the damage of the component is aggravated and the component is scrapped in advance after the vehicle runs for a long time, and the driving safety can be seriously threatened if the damaged component is not replaced in time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an air brake device aims at solving the vehicle under the condition of manual brake braking parking, implements the problem that the service brake braking easily damaged energy storage spring brake chamber. The utility model also provides a vehicle of having this air brake device.
In one aspect, the present invention provides a pneumatic brake device, comprising: the brake system comprises an inflating pump, a rear brake air cylinder, a foot brake valve, a relay valve, an energy storage spring brake air chamber, a hand brake air cylinder, a hand brake valve, a quick release valve and a two-way check valve which are sequentially connected. The air inlet end of the hand brake valve is communicated with the inflating pump through a hand brake air outlet cylinder, and the air outlet end of the hand brake valve is communicated with the first air inlet end of the two-way check valve; the second air inlet end of the two-way check valve is communicated with the air outlet end of the foot brake valve; and the air outlet end of the two-way one-way valve is communicated with the energy storage spring brake air chamber through a quick release valve.
Further, the air brake device further comprises a valve, wherein the rear brake air cylinder and the hand brake air cylinder are communicated with the inflating pump through the valve.
Further, in the pneumatic brake device, the valve is a four-circuit protection valve.
Further, the pneumatic brake device further includes: and the air dryer is connected between the inflating pump and the valve.
The utility model discloses a set up the bi-pass check valve, make manual brake braking circuit and service brake braking circuit associated, the vehicle is under the condition of manual brake braking parking, if the driver tramples the service brake, the utility model discloses a pneumatic brake device can relieve the parking braking of manual brake automatically, avoids appearing the problem of the overload of energy storage spring air chamber under energy storage spring, service brake dual function, has improved the reliability that part life and braking system used, has increased the security of passenger train driving in-process.
On the other hand, the utility model also provides a vehicle, this vehicle is provided with any kind of above-mentioned vehicle air brake device.
Further, the vehicle is a passenger car.
Since the air brake device has the above-described effects, a vehicle having the vehicle air brake device also has the same technical effects.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a prior art pneumatic vehicle brake system;
fig. 2 is a schematic structural diagram of a vehicle air brake device provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a vehicle air brake device according to an embodiment of the present invention. As shown in the figure, the vehicle air brake device comprises an inflating pump 1, a rear brake air cylinder 4, a foot brake valve 5, a relay valve 6, an energy storage spring brake air chamber 7, a hand brake air cylinder 8, a hand brake valve 9, a quick release valve 10 and a two-way check valve 11.
Wherein, the inflating pump 1, the rear brake air cylinder 4, the foot brake valve 5, the relay valve 6 and the energy storage spring brake air chamber 7 are connected in sequence through pipelines to form a foot brake braking loop.
The air inlet end of the hand brake valve 9 is communicated with the inflation pump 1 through a hand brake air outlet cylinder 8, and the air outlet end of the hand brake valve 9 is communicated with the first air inlet end (the left end shown in figure 2) of a two-way check valve 11; a second air inlet end (the right end shown in figure 2) of the two-way check valve 11 is communicated with an air outlet end of the foot brake valve 5; the air outlet end of the two-way check valve 11 is communicated with the energy storage spring brake air chamber 7 through a quick release valve 10. The inflating pump 1, the hand brake air outlet cylinder 8, the hand brake valve 9, the two-way check valve 11, the quick release valve 10 and the energy storage spring brake air chamber 7 form a hand brake braking loop, the braking hand brake in the embodiment adopts an air-break brake structure, and the air-break brake can be released when the hand brake air chamber is inflated.
When a vehicle pulls up a hand brake to park, air enters an energy storage spring brake air chamber 7 after sequentially passing through an inflating pump 1, a hand brake air outlet cylinder 8, a hand brake valve 9, a two-way check valve 11 and a quick release valve 10; at this time, when the driver controls the foot brake valve 5, the air passes through the inflating pump 1, the rear brake air reservoir 4, the foot brake valve 5 and the relay valve 6 in sequence and enters the energy storage spring brake air chamber 7, and at this time, the foot brake is realized. It can be seen that, when the foot brake valve 5 is controlled by the driver to open the foot brake loop, the air flowing out of the foot brake valve 5 enters the two-way check valve 11 through the second air inlet end of the two-way check valve 11, the air flowing into the two-way check valve 11 from the foot brake valve 5 pushes the valve core of the two-way check valve 11 to move towards the first air inlet end, so as to block the air flowing into the two-way check valve 11 from the air outlet end of the hand brake valve 9, at this time, part of the compressed air reaches the energy storage spring air chamber 7 through the two-way check valve 11 and the quick release valve 10, the energy storage spring is compressed, the hand brake parking brake is released, the vehicle only has the independent function of the service brake at this time, the overload is avoided, and the brake effect is also maintained.
It can be seen that, the embodiment of the utility model provides a through setting up the bi-pass check valve, make manual brake braking circuit and service brake braking circuit associated, make the vehicle under the condition of manual brake braking parking, if the driver tramples the service brake braking, this air brake device can automatic release the parking braking of manual brake, avoid appearing the overload of energy storage spring air chamber under energy storage spring, service brake dual function, improved the reliability that part life and braking system used, increase the security of passenger train driving in-process.
During specific implementation, the rear brake air cylinder 4 and the hand brake air cylinder 8 can be communicated with the inflating pump 1 through the valve 3, for example, a four-loop protection valve.
The above embodiment may further provide an air dryer 2 between the inflation pump 1 and the four-circuit protection valve to dry the air output from the inflation pump 1.
To sum up, the embodiment of the utility model provides a through setting up the bi-pass check valve, make manual brake braking circuit and service brake braking circuit associated, make the vehicle under the condition of manual brake parking, when trampling the service brake, can remove the parking braking of manual brake automatically, avoid appearing the overload of energy storage spring air chamber under energy storage spring, service brake dual function, improved the reliability that part life and braking system used, increase the security of passenger train driving process, increase the security of passenger train driving in-process.
Vehicle embodiment
The embodiment of the utility model provides a vehicle is still provided with any kind of above-mentioned air brake device on this vehicle. Wherein, the concrete implementation process of air brake device can refer to above-mentioned description, the embodiment of the utility model discloses no longer redundantly here. Wherein the vehicle may be a passenger car.
Since the air brake device has the above-described effects, a vehicle having the air brake device also has the same technical effects.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A pneumatic brake device comprising: the brake system comprises an inflating pump (1), a rear brake air cylinder (4), a foot brake valve (5), a relay valve (6), an energy storage spring brake air chamber (7), a hand brake air cylinder (8), a hand brake valve (9) and a quick release valve (10) which are connected in sequence; it is characterized by also comprising: a two-way check valve (11); wherein,
the air inlet end of the hand brake valve (9) is communicated with the inflating pump (1) through a hand brake air outlet cylinder (8), and the air outlet end of the hand brake valve (9) is communicated with the first air inlet end of the two-way check valve (11);
a second air inlet end of the two-way check valve (11) is communicated with an air outlet end of the foot brake valve (5); and the air outlet end of the two-way one-way valve (11) is communicated with the energy storage spring brake air chamber (7) through a quick release valve (10).
2. The air brake device according to claim 1, further comprising a valve (3), wherein the rear brake air cylinder (4) and the hand brake air cylinder (8) are in communication with the inflation pump (1) through the valve (3).
3. Pneumatic brake arrangement according to claim 2, characterized in that the valve (3) is a four-circuit protection valve.
4. The air brake apparatus according to claim 2, further comprising: and the air dryer (2) is connected between the inflating pump (1) and the valve (3).
5. A vehicle characterized by being provided with the air brake device according to any one of claims 1 to 4.
6. The vehicle of claim 5, characterized in that the vehicle is a passenger car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421021.6U CN204095795U (en) | 2014-07-28 | 2014-07-28 | Pneumatic braking device and there is the vehicle of this Pneumatic braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421021.6U CN204095795U (en) | 2014-07-28 | 2014-07-28 | Pneumatic braking device and there is the vehicle of this Pneumatic braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095795U true CN204095795U (en) | 2015-01-14 |
Family
ID=52264244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420421021.6U Expired - Lifetime CN204095795U (en) | 2014-07-28 | 2014-07-28 | Pneumatic braking device and there is the vehicle of this Pneumatic braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204095795U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128835A (en) * | 2015-07-29 | 2015-12-09 | 安徽安凯汽车股份有限公司 | Passenger car hand brake emergency releasing system and releasing method for same |
| CN105398434A (en) * | 2015-11-27 | 2016-03-16 | 中国重汽集团柳州运力专用汽车有限公司 | Aluminum alloy braking system for semi-trailer |
| CN107264501A (en) * | 2017-07-03 | 2017-10-20 | 中车青岛四方车辆研究所有限公司 | Track traffic parking brake device and parking brake method |
| CN108216171A (en) * | 2016-12-21 | 2018-06-29 | 安百拓（南京）建筑矿山设备有限公司 | The brake system of underground diesel locomotive |
| CN112172755A (en) * | 2020-10-14 | 2021-01-05 | 西南交通大学 | Water-cooling brake system of heavy-duty vehicle |
-
2014
- 2014-07-28 CN CN201420421021.6U patent/CN204095795U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128835A (en) * | 2015-07-29 | 2015-12-09 | 安徽安凯汽车股份有限公司 | Passenger car hand brake emergency releasing system and releasing method for same |
| CN105128835B (en) * | 2015-07-29 | 2017-08-29 | 安徽安凯汽车股份有限公司 | A kind of emergent deactivation system of car parking brake and its release method |
| CN105398434A (en) * | 2015-11-27 | 2016-03-16 | 中国重汽集团柳州运力专用汽车有限公司 | Aluminum alloy braking system for semi-trailer |
| CN108216171A (en) * | 2016-12-21 | 2018-06-29 | 安百拓（南京）建筑矿山设备有限公司 | The brake system of underground diesel locomotive |
| CN108216171B (en) * | 2016-12-21 | 2024-05-10 | 安百拓（南京）建筑矿山设备有限公司 | Brake system of underground diesel locomotive |
| CN107264501A (en) * | 2017-07-03 | 2017-10-20 | 中车青岛四方车辆研究所有限公司 | Track traffic parking brake device and parking brake method |
| CN107264501B (en) * | 2017-07-03 | 2019-09-13 | 中车青岛四方车辆研究所有限公司 | Rail traffic parking brake device and parking brake method |
| CN112172755A (en) * | 2020-10-14 | 2021-01-05 | 西南交通大学 | Water-cooling brake system of heavy-duty vehicle |
| CN112172755B (en) * | 2020-10-14 | 2021-10-26 | 西南交通大学 | Water-cooling brake system of heavy-duty vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |
|
| CX01 | Expiry of patent term |