CN202608757U - Emergency brake and parking brake device and air-pressure braked vehicle - Google Patents

Emergency brake and parking brake device and air-pressure braked vehicle Download PDF

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Publication number
CN202608757U
CN202608757U CN 201220181158 CN201220181158U CN202608757U CN 202608757 U CN202608757 U CN 202608757U CN 201220181158 CN201220181158 CN 201220181158 CN 201220181158 U CN201220181158 U CN 201220181158U CN 202608757 U CN202608757 U CN 202608757U
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CN
China
Prior art keywords
brake
valve
air
emergency
check valve
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.)
Expired - Fee Related
Application number
CN 201220181158
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Chinese (zh)
Inventor
黄智钊
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Beiqi Foton Motor Co Ltd
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Beiqi Foton Motor Co Ltd
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Filing date
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Priority to CN 201220181158 priority Critical patent/CN202608757U/en
Application granted granted Critical
Publication of CN202608757U publication Critical patent/CN202608757U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an emergency brake and parking brake device and an air-pressure braked vehicle. The emergency brake and parking brake device is used for the air-pressure braked vehicle and comprises an inflating pump, an air dryer, a loop protection valve, a hand braking air storage cylinder, a hand braking valve, two energy-storage spring braking air chambers, a standby air storage cylinder, a one-way valve, a switch valve and a bi-pass one-way valve. An air outlet end of the one-way valve is connected with an air inlet end of the standby air storage cylinder, and an air inlet end of the one-way valve is connected with an air outlet of the loop protection valve so as to supply air to the standby air storage cylinder in one way. An air inlet end of the switch valve is connected with an air outlet end of the standby air storage cylinder. An air outlet end of the switch valve is connected with one of air inlets of the bi-pass one-way valve, and the other air inlet of the bi-pass one-way valve is connected to an air outlet end of the hand braking valve. An air outlet of the bi-pass one-way valve is connected to the two energy storage spring braking air chambers. By the aid of the emergency brake and parking brake device, emergency brake and release of parking brake can be realized on the condition of no air pressure of a running braking loop of the vehicle.

Description

Emergency brake and holding brake device and pneumatic brake vehicle
Technical field
The utility model relates to Vehicular brake device, relates in particular to a kind of emergency brake and holding brake device and has the pneumatic brake vehicle of this emergency brake and holding brake device.
Background technology
Along with improving constantly of living standards of the people; To the trip instrument---the safety performance of passenger vehicle requires also increasingly high; This just requires especially strictness to the brake system safety performance of passenger vehicle, and conventional ABS/ASR, energy brake, retarder device generally has been equipped in this field of braking.
For example, the pneumatic brake vehicle of prior art has used the technology of energy brake.The pneumatic brake vehicle has two independently brake circuits usually, realizes service brake for one, and another realizes braking during standstill and emergency brake, the hand brake valve in braking during standstill and the emergency brake loop, the parking brake that just it has often been said.
Shown in Figure 1 is emergency brake and the scheme drawing of holding brake device of the pneumatic brake vehicle of prior art.Emergency brake shown in Figure 1 and holding brake device comprise the connecting line between inflation pump 14, air dryer 15, four-loop protection valve 2, hand braking air receiver 4, hand brake valve 5, rapid release valve 6, two energy storage spring brake chamber 7 and each element.
The emergency brake shown in Figure 1 and the principle of work of holding brake device are: when chaufeur unclamps hand brake valve 5; The gas that inflation pump 14 comes out gets into two energy storage spring brake chamber 7 through air dryer 15, four-loop protection valve 2, hand braking air receiver 4, hand brake valve 5 and rapid release valve 6, realizes the trailing wheel emergency brake this moment or removes braking during standstill.
After pulling on hand brake valve 5, the gas in the energy storage spring brake chamber 7 leads to atmosphere through the exhausr port (not marking among the figure) of rapid release valve 6, and this moment, the power through energy stroage spring realized braking during standstill.
But also can there be malfunctioning situation in often above-mentioned emergency brake and holding brake device; Such as pipeline seriously leak gas, inflation pump 14 is not worked, the retarder circuit damages unusual service condition and takes place; Malfunctioning like emergency brake, then driving is especially dangerous when lower long slope or mountain area road conditions; There is the situation of casting anchor in passenger vehicle in addition; Especially bus, this moment, inflation pump 14 was not worked, and often pipeline air pressure can be lower than starting air pressure; Removing under the malfunctioning situation of braking during standstill with hand brake valve 5; Need manually to remove braking during standstill, at this moment need climb to the operation of manually removing braking during standstill at the bottom of the car, have potential safety hazard to carry out trailer.
The utility model content
To the problem that exists in the prior art, the purpose of the utility model is that a kind of emergency brake and holding brake device that is used for the pneumatic brake vehicle is provided, to avoid vehicle in the hand brake valve emergency brake or remove braking during standstill and produce potential safety hazard when malfunctioning.
Another purpose of the utility model is that a kind of pneumatic brake vehicle with the utility model emergency brake and holding brake device is provided.
For realizing above-mentioned purpose, the technical scheme of the utility model is following:
A kind of emergency brake and holding brake device; Be used for the pneumatic brake vehicle; Said emergency brake and holding brake device comprise inflation pump, air dryer, loop protection valve, hand braking air receiver, hand brake valve and two energy storage spring brake chamber, and said emergency brake and holding brake device also comprise: a subsequent use air receiver; One check valve, the outlet side of said check valve is connected in the inlet end of said subsequent use air receiver, and the inlet end of said check valve is connected in an air extractor duct of said loop protection valve to give the unidirectional air feed of said subsequent use air receiver; One switch valve, the inlet end of said switch valve is connected in the outlet side of said subsequent use air receiver; One bilateral check valve; Said bilateral check valve has two admission ports and an air extractor duct; The outlet side of said switch valve is connected in a wherein admission port of said bilateral check valve; Another admission port of said bilateral check valve is connected in the outlet side of said hand brake valve, and the air extractor duct of said bilateral check valve is connected in said two energy storage spring brake chamber.
Emergency brake of the utility model and holding brake device, preferred, be connected with rapid release valve between said two energy storage spring brake chamber, the air extractor duct of said bilateral check valve is connected in said rapid release valve to connect said two energy storage spring brake chamber.
Emergency brake of the utility model and holding brake device, preferred, be connected with relay valve between said two energy storage spring brake chamber, the air extractor duct of said bilateral check valve is connected in said relay valve to connect said two energy storage spring brake chamber.
Emergency brake of the utility model and holding brake device, preferred, said switch valve be can pressure regulation the knob switch valve.
Emergency brake of the utility model and holding brake device, preferred, said loop protection valve is a four-loop protection valve.
Emergency brake of the utility model and holding brake device, preferred, said loop protection valve is the multiloop protective valve.
The beneficial effect of the utility model is; Emergency brake of the utility model and holding brake device; Be equivalent to install additional a safety back-up device of being made up of switch valve, bilateral check valve, check valve and subsequent use air receiver in fact, it is applicable to double loop pneumatic brake vehicle, especially pneumatic brake bus; Make the pneumatic brake vehicle all not have and still can realize emergency brake under the barometric information and remove parking braking function in service brake and braking during standstill loop; Through simple structure, can play emergency brake and the purpose of removing braking during standstill, guaranteed the safety traffic of vehicle.Cast anchor at vehicle, inflate air pump inoperative and pipeline air pressure is lower than under the situation of starting air pressure, also need not to climb to the operation of manually removing braking during standstill at the bottom of the car, eliminated potential safety hazard.The passenger train that it is highly suitable for high bus of security requirement and mountain area road conditions uses.
Description of drawings
Fig. 1 is emergency brake and the scheme drawing of holding brake device of the pneumatic brake vehicle of prior art.
Fig. 2 is the emergency brake of the utility model embodiment pneumatic brake vehicle and the scheme drawing of holding brake device.
The specific embodiment
The exemplary embodiments that embodies the utility model characteristic and advantage will be described in detail in following explanation.Be understood that the utility model can have various variations on various embodiment, the scope of its neither disengaging the utility model, and explanation wherein and accompanying drawing be the usefulness of being used as explanation in itself, but not in order to restriction the utility model.
Emergency brake of the utility model and holding brake device are applicable to the pneumatic brake passenger vehicle, especially double loop pneumatic brake passenger vehicle.All do not have in driving brake circuit and braking during standstill loop and still can realize emergency brake under the barometric information and to remove parking braking function, play the purpose of emergency brake and releasing braking during standstill.The passenger train that it is highly suitable for high bus of security requirement and mountain area road conditions uses.
The pneumatic brake vehicle of the utility model embodiment has the emergency brake and the holding brake device of the utility model.Following mask body is introduced the emergency brake and the holding brake device of the utility model preferred embodiment.
As shown in Figure 2; The emergency brake of the utility model embodiment and holding brake device; Except that inflation pump 14, air dryer 15, four-loop protection valve 2, hand braking air receiver 4, hand brake valve 5 and two energy storage spring brake chamber 7, also comprise the unexistent subsequent use air receiver of existing emergency brake and holding brake device 9, check valve 8, switch valve 1 and bilateral check valve 3.
Wherein, subsequent use air receiver 9 is used to store and carries out emergency brake and remove the required gas of braking during standstill, and subsequent use air receiver 9 has subsequent use air receiver inlet end 91 and subsequent use air receiver outlet side 92, and subsequent use air receiver inlet end 91 connects the outlet side of check valves 8; Subsequent use air receiver outlet side 92 is connected to switch valve 1.
The effect of check valve 8 is to subsequent use air receiver 9 unidirectional air feed; Check valve 8 has check valve inlet end 81 and check valve outlet side 82; Gas can only from check valve inlet end 81 to the check valve outlet side 82 nonreturn floies; Check valve outlet side 82 is connected in the subsequent use air receiver inlet end 91 of subsequent use air receiver 9, and the check valve inlet end 81 of check valve 8 is in order to connect the four-loop protection valve 2 of pneumatic brake vehicle.In addition, in order to be connected two energy storage spring brake chamber 7 jointly, can also use a bilateral check valve 3 with hand brake valve 5.Bilateral check valve 3 has admission port 31,32 and air extractor duct 33.
Particularly, four-loop protection valve 2 has four air extractor ducts 21,22,23,24, and wherein air extractor duct 21,22 is preferential air feed air extractor duct; Be generally used for connecting the brake circuit of propons, back axle etc., air extractor duct 23 is common air feed air extractor duct, is used for the auxiliary gas of using; Air extractor duct 24 is preferential tonifying Qi air extractor duct, is generally used for emergency brake and braking during standstill, therefore; The inlet end of hand braking air receiver 4 just is connected air extractor duct 24, and the inlet end 81 of check valve 8 also is connected the air extractor duct 24 of four-loop protection valve 2 through connecting line, when brake circuit is in proper working order; Can give subsequent use air receiver 9 unidirectional air feed; Because the effect of check valve 8, the gas in the subsequent use air receiver 9 can not bled off again, therefore can use at any time.
Switch valve 1, the emergency brake of using the utility model at needs be during with holding brake device, promptly can operating switch valve 1, by the gas in the subsequent use air receiver 9, realize emergency brake or releasing braking during standstill.The inlet end 11 of switch valve 1 is connected in the outlet side 92 of subsequent use air receiver 9, and the outlet side 12 of switch valve 1 is connected the admission port 31 of bilateral check valve 3, and the outlet side of hand brake valve 5 then is connected to the admission port 32 of bilateral check valve 3.The air extractor duct 33 of bilateral check valve 3 is connected to institute's bonded assembly rapid release valve 6 between two energy storage spring brake chamber 7 of pneumatic brake vehicle.
Required air pressure when carrying out emergency brake and removing braking during standstill, switch valve 1 in order to regulate preferably can pressure regulation knob switch valve 1.
Emergency brake of the utility model and holding brake device; Its principle of work is: the check valve 8 of increase, subsequent use air receiver 9 and switch valve 1 do not influence conventional Parking and emergency brake function under 3 effects of bilateral check valve; When service brake and braking during standstill loop all do not have under the barometric information; The subsequent use air receiver 9 of this moment is because the effect of check valve 8 still has and satisfies the car emergency braking and remove the required air pressure of braking during standstill, and the driver can realize emergency brake and remove the braking during standstill ability through master cock valve 1; This moment, gas was by inflation pump 14; Through air dryer 15, four-loop protection valve 2, check valve 8, subsequent use air receiver 9, switch valve 1, bilateral check valve 3, rapid release valve 6, arrive two energy storage spring brake chamber 7 of trailing wheel, realize the trailing wheel emergency brake or remove braking during standstill.Behind off switch valve 1, the gas in two energy storage spring brake chamber 7 leads to atmosphere through the exhausr port (not marking among the figure) of rapid release valve 6, and this moment, the power through energy stroage spring realized braking during standstill.
Emergency brake of the utility model and holding brake device, loop protection valve wherein can also be the multiloop protective valve except that being the four-loop protection valve 2 in the foregoing description.Rapid release valve 6 wherein also can replace with relay valve.
Emergency brake of the utility model and holding brake device; Realized the safe spare effect; Promoted the traffic safety grade, met GB12676 " brake system of car structure, performance and test method " rules, the passenger train that is suitable for bus and mountain area road conditions especially uses.
Those skilled in the art should recognize change and the retouching of under the situation of scope that does not break away from the appended the utility model that claim disclosed of the utility model and spirit, being done, and all belong within the protection domain of claim of the utility model.

Claims (7)

1. emergency brake and holding brake device; Be used for the pneumatic brake vehicle; Said emergency brake and holding brake device comprise inflation pump (14), air dryer (15), loop protection valve, hand braking air receiver (4), hand brake valve (5) and two energy storage spring brake chamber (7); It is characterized in that said emergency brake and holding brake device also comprise:
One subsequent use air receiver (9);
One check valve (8), the outlet side (82) of said check valve (8) is connected in the inlet end (91) of said subsequent use air receiver (9), and the inlet end (81) of said check valve (8) is connected in an air extractor duct of said loop protection valve to give the unidirectional air feed of said subsequent use air receiver (9);
One switch valve (1), the inlet end (11) of said switch valve (1) is connected in the outlet side (92) of said subsequent use air receiver (9);
One bilateral check valve (3); Said bilateral check valve (3) has two admission ports (31,32) and an air extractor duct (33); The outlet side (12) of said switch valve (1) is connected in a wherein admission port (31) of said bilateral check valve (3); Another admission port (32) of said bilateral check valve (3) is connected in the outlet side of said hand brake valve (5), and the air extractor duct (33) of said bilateral check valve (3) is connected in said two energy storage spring brake chamber (7).
2. emergency brake as claimed in claim 1 and holding brake device; It is characterized in that; Be connected with rapid release valve (6) between said two energy storage spring brake chamber (7), the air extractor duct (33) of said bilateral check valve (3) is connected in said rapid release valve (6) to connect said two energy storage spring brake chamber (7).
3. emergency brake as claimed in claim 1 and holding brake device; It is characterized in that; Be connected with relay valve between said two energy storage spring brake chamber (7), the air extractor duct (33) of said bilateral check valve (3) is connected in said relay valve to connect said two energy storage spring brake chamber (7).
4. emergency brake as claimed in claim 2 and holding brake device is characterized in that, said switch valve (1) be can pressure regulation knob switch valve (1).
5. emergency brake as claimed in claim 2 and holding brake device is characterized in that, said loop protection valve is four-loop protection valve (2).
6. emergency brake as claimed in claim 2 and holding brake device is characterized in that, said loop protection valve is the multiloop protective valve.
7. a pneumatic brake vehicle is characterized in that, said pneumatic brake vehicle is equipped with arbitrary described emergency brake of claim 1-6 and holding brake device.
CN 201220181158 2012-04-25 2012-04-25 Emergency brake and parking brake device and air-pressure braked vehicle Expired - Fee Related CN202608757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220181158 CN202608757U (en) 2012-04-25 2012-04-25 Emergency brake and parking brake device and air-pressure braked vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220181158 CN202608757U (en) 2012-04-25 2012-04-25 Emergency brake and parking brake device and air-pressure braked vehicle

Publications (1)

Publication Number Publication Date
CN202608757U true CN202608757U (en) 2012-12-19

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072561A (en) * 2013-02-07 2013-05-01 郭玉 Parking braking releasing device for automobile
CN103204152A (en) * 2013-05-03 2013-07-17 安徽安凯汽车股份有限公司 Pipeline system for relieving hand brake locking outside vehicle
CN103231698A (en) * 2013-05-11 2013-08-07 郭玉 Auxiliary device for parking braking of truck
CN103522999A (en) * 2013-11-05 2014-01-22 无锡锡通工程机械有限公司 Vehicle pneumatic brake device capable of moving automatically and being dragged to move
CN104709261A (en) * 2014-05-29 2015-06-17 湖北三江航天万山特种车辆有限公司 Full-trailer braking system and braking method thereof
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
CN105927511A (en) * 2016-06-29 2016-09-07 广西玉柴机器股份有限公司 Emergency energy system and method for air compressor
CN106043259A (en) * 2016-06-27 2016-10-26 中国重汽集团济南动力有限公司 Independent air source parking braking system and operating method
CN106427976A (en) * 2016-12-20 2017-02-22 安徽江淮汽车集团股份有限公司 Braking pressure compensation control system and method
CN106864441A (en) * 2015-12-10 2017-06-20 中国国际海运集装箱(集团)股份有限公司 A kind of airport ferry push security system
CN106864435A (en) * 2015-12-10 2017-06-20 中国国际海运集装箱(集团)股份有限公司 A kind of airport ferry push security system
CN107000723A (en) * 2014-12-16 2017-08-01 斯堪尼亚商用车有限公司 Pneumatic braking system for commerial vehicle
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
CN108860113A (en) * 2018-07-05 2018-11-23 王石麟 Emergency automatic automobile spring energy-accumulating braking device
CN109318929A (en) * 2017-12-20 2019-02-12 中车长春轨道客车股份有限公司 A kind of train alternate brake control system and method

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072561A (en) * 2013-02-07 2013-05-01 郭玉 Parking braking releasing device for automobile
CN103204152A (en) * 2013-05-03 2013-07-17 安徽安凯汽车股份有限公司 Pipeline system for relieving hand brake locking outside vehicle
CN103231698A (en) * 2013-05-11 2013-08-07 郭玉 Auxiliary device for parking braking of truck
CN103522999A (en) * 2013-11-05 2014-01-22 无锡锡通工程机械有限公司 Vehicle pneumatic brake device capable of moving automatically and being dragged to move
CN103522999B (en) * 2013-11-05 2015-12-30 无锡锡通工程机械有限公司 Vehicle Pneumatic braking device can be towed voluntarily
CN104709261A (en) * 2014-05-29 2015-06-17 湖北三江航天万山特种车辆有限公司 Full-trailer braking system and braking method thereof
CN104709261B (en) * 2014-05-29 2017-06-30 湖北三江航天万山特种车辆有限公司 Full trailor brakes and its braking method
CN107000723A (en) * 2014-12-16 2017-08-01 斯堪尼亚商用车有限公司 Pneumatic braking system for commerial vehicle
CN107000723B (en) * 2014-12-16 2020-03-20 斯堪尼亚商用车有限公司 Pneumatic brake system for a commercial vehicle
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
CN106864435B (en) * 2015-12-10 2019-10-29 中国国际海运集装箱(集团)股份有限公司 A kind of airport ferry push security system
CN106864441A (en) * 2015-12-10 2017-06-20 中国国际海运集装箱(集团)股份有限公司 A kind of airport ferry push security system
CN106864435A (en) * 2015-12-10 2017-06-20 中国国际海运集装箱(集团)股份有限公司 A kind of airport ferry push security system
CN106043259A (en) * 2016-06-27 2016-10-26 中国重汽集团济南动力有限公司 Independent air source parking braking system and operating method
CN105927511A (en) * 2016-06-29 2016-09-07 广西玉柴机器股份有限公司 Emergency energy system and method for air compressor
CN105927511B (en) * 2016-06-29 2018-06-29 广西玉柴机器股份有限公司 A kind of air compressor Emergency power source system and its Supply Method
CN106427976A (en) * 2016-12-20 2017-02-22 安徽江淮汽车集团股份有限公司 Braking pressure compensation control system and 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
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
CN109318929A (en) * 2017-12-20 2019-02-12 中车长春轨道客车股份有限公司 A kind of train alternate brake control system and method
CN108860113A (en) * 2018-07-05 2018-11-23 王石麟 Emergency automatic automobile spring energy-accumulating braking device

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20180425

CF01 Termination of patent right due to non-payment of annual fee