CN102390375B - Wheeled vehicle emergency braking device - Google Patents
Wheeled vehicle emergency braking device Download PDFInfo
- Publication number
- CN102390375B CN102390375B CN 201110243265 CN201110243265A CN102390375B CN 102390375 B CN102390375 B CN 102390375B CN 201110243265 CN201110243265 CN 201110243265 CN 201110243265 A CN201110243265 A CN 201110243265A CN 102390375 B CN102390375 B CN 102390375B
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- brake
- trailing wheel
- wheel
- gaholder
- emergency
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Abstract
The invention provides a wheeled vehicle emergency braking device, which is suitable for wheeled vehicle of a full-pneumatic brake system or an air liquid brake system with a centre parking brake. The breaking device utilizes original apparatus of original vehicle brake system, increases a driving auxiliary braking system by increasing a few of spare parts and pipelines, and improves the driving brake security. The emergency brake can be combined with parking brake to solve the problem of insufficient parking brake force and improve the parking security. The emergency braking device can be connected with a front wheel brake pipeline or a rear wheel brake pipeline in parallel, or simultaneously, be connected with the front and rear wheel brake pipelines in parallel. The emergency braking device adds a three-way pipe joint, a manual brake valve and a two-way check valve on the pipeline of original parking spare air storage bottle so that the brake pipeline becomes a dual-pipeline. The device of the invention is featured with simple structure, low use cost, flexible arrangement and good generality, can effectively improve the parking security and driving brake security.
Description
Technical field
The invention belongs to a kind of wheeled car emergency brake device field with full air braking system or the liquid of gas cap system of central parking brake, specifically relate to a kind of wheeled car emergency brake device.
Background technology
Brake system of car is divided into service braking system, emergency brake system, secondary braking sytem and auxiliary braking system etc.Underspeed to the brake system of stopping and be called service braking system for the automobile that makes to travel; With so that the resident brake system as you were of the automobile of stagnation of movement be called emergency brake system; In the situation that service braking system lost efficacy, guarantee that automobile still can be realized slowing down or the brake system of parking is called secondary braking sytem; In conventional wheeled car, the service brake emergency brake system of unifying is that vehicle is prerequisite.
At present, domestic a lot of wheeled cars, the braking pattern mostly is: braking during standstill adopts the central parking brake of mechanical control, and service brake is full gas braking or gas cap liquid brake equipment.The compression air brake formula is by the air pump pressurized air, the air receiver storing compressed air, air receiver is connected with compressed air brake cylinder by the road, and brake activation valve is installed on pipeline, during the vehicle driving braking, start brake activation valve, promote brake facing by pressurized air and pin wheel hub, yet, if during the et out of order of any one position of air pump, pipeline, air receiver or brake activation valve, service brake will be malfunctioning, causes the accident.(4 * 4 vehicle the liquid of gas cap systems of take are example) sees that Fig. 1, service brake are braked front and rear wheel brake to the service brake valve by front and back gaholder air feed, and when front-wheel gaholder 3 does not have gas or pipe breakage, front-wheel can not be braked; Trailing wheel gaholder 4 does not have gas or pipe breakage, and trailing wheel can not be braked; When the service brake valve damages or clamping stagnation, front and rear wheel all there will be does not have brake phenomenon; Meet 14 ° of slopes for the central braking during standstill of general vehicle and stay with interior, if need stay slope can not meet the demands being greater than 14 ° of gradients under some special emergency circumstances.
Due to the problem that gas supply system occurs, some car brakeing safety device and safety measures have also been proposed at present for pneumatic brake system.For example application number is the application for a patent for invention that CN200410046274.0, denomination of invention are " emergent brake for automobile ", disclosed emergency brake device comprises: automatically controlled part, electromagnetic valve, the emergency brake switch be positioned at below brake pedal can be connected by the brake pedal operation when emergency braking; The air pressure supply portion, have air bottle and reducing valve; Brake actuator, there is air cylinder and brake plate, the air cylinder that is articulated in car body communicates with air bottle by electromagnetic valve, brake plate one end is connected with air cylinder, the other end is connected with the active installation division part that brake actuator is resetted, and the piston rod of air cylinder can contact with ground and produce friction brake force under air pressure promotes.
Application number is the patent that CN200920110806.0, denomination of invention are " emergent brake for automobile ", and emergency brake device includes scotch, hoist cable, drum, static line, card wheel and tie component; Application number is the patent that CN200820180634.X, denomination of invention are " emergency brake device before and after vehicle ", solved the problem caused the accident because automobile brake is malfunctioning, brake equipment comprises fixedly fork damper application force hinge, by mechanical electromagnetic gas-liquid pressure thrust unit, fixing steel offset plate device fastener, Elastic Steel glue Compound Punch feature board, limiting stopper, the hinged two power rod members of buffer damping damping goods of furniture for display rather than for use bar and torsion spring tension force.Above-mentioned two patents make the complexity of vehicle part increase.
In addition, carrying out the improved patent of gas circuit for the vehicle original structure, application number is arranged is CN00100120.5, the denomination of invention application for a patent for invention for " full wheel car axle automatic compensation emergency brake device ", and brake equipment mainly is comprised of air pump, two-position three-way valve, front-wheel emergency brake valve, check valve, quick start valve, the two diaphragm brake repair rooms of two valve, three valve spring energy-storage brake repair rooms, manual Parking valve, the emergent throttle compensating valve of foot control etc.; This device must chaufeur reaction and additional operations just can automatically provide the emergency brake that comprises front-wheel and trailing wheel, the serviceable condition that makes vehicle no matter under which kind of fault, can keep car load to brake.
Application number is the application for a patent for invention that CN200810000920.8, denomination of invention are " vehicle brake lost efficacy automatically and manual electric emergency brake safety guard ", its structure comprises the emergent air receiver be connected with the main air reservoir of pneumatic brake system by pipeline, emergent air receiver connects respectively three electromagnetic valve D1, D2, D3, on the pipeline between main air reservoir and emergent air receiver, is provided with check valve; Main air reservoir is provided with low pressure alarm, and low pressure alarm is connected with two electromagnetic valve D1, D3 and rear brake lamp respectively; It,, under the malfunctioning even entirely ineffective state of the original brake system of vehicle, can provide actv. drag effect.
Above-mentioned these devices often all need to increase some professional physical constructions to vehicle, increase the complexity of vehicle part, and operating operation get up also convenient not.In addition, the emergency brake of some vehicle after carrying out the drag operation, although vehicle stop travel, but can't normally be started again, must be after having repaired fault, the brake off device, just can make vehicle again return the use state, this vehicle driver brings great inconvenience.
Summary of the invention
The object of the invention is to provide a kind of wheeled car emergency brake device, and brake equipment utilizes the former device of former car brake system, by increasing a little part and pipeline, has increased the driving auxiliary braking system, has improved the service brake safety; This emergency brake can be carried out Associated brake with braking during standstill, solves the not enough problem of braking during standstill power, improves the Parking safety; Emergency brake device can be connected in parallel on front brake circuit or on the trailing wheel brake piping, or is connected in parallel on the front and back wheel pipeline simultaneously, has improved the service brake safety.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of wheeled car emergency brake device, described device comprises tee connection, hand brake valve and double-way check valve; Former garage car brake system comprises service brake valve, front-wheel assistor, front-wheel gaholder, trailing wheel gaholder, trailing wheel assistor and the standby gaholder that stops; Its improvements are that the standby gaholder of described parking, tee connection, hand brake valve and double-way check valve connect to form emergency line in turn; Described service brake valve, front-wheel gaholder, front-wheel assistor and front-wheel brake connect to form front brake circuit in turn; Described service brake valve, trailing wheel gaholder, trailing wheel assistor and rear wheel brake connect to form the trailing wheel brake piping in turn; Described emergency line is in parallel with described trailing wheel brake piping, or in parallel with described front brake circuit, or in parallel with described trailing wheel brake piping and front brake circuit.
Wherein: the tolerance of described front-wheel gaholder, trailing wheel gaholder and the standby gaholder that stops is supplied with by Air compressor on the car intrinsic motivation.
Wherein: described emergency line is with after described trailing wheel brake piping is in parallel, and the trailing wheel brake piping forms dual circuit, when described emergency line is different with the trailing wheel brake piping, works.
Wherein: described emergency line is with after described front brake circuit is in parallel, and front brake circuit forms dual circuit, when described emergency line is different with front brake circuit, works.
Wherein: described emergency line is with after described front brake circuit and trailing wheel brake piping are in parallel, and front brake circuit and trailing wheel brake piping all form dual circuit, work when described emergency line is different with the service brake pipeline.
Owing to having adopted technique scheme, compared with prior art, beneficial effect of the present invention comprises:
1) simple in structure, use cost is low
It is unidirectional that the increase emergency brake device increases tee connection, hand brake valve and bilateral on the pipeline of the standby gaholder of former parking, makes the trailing wheel brake piping become dual circuit;
2) improve the Parking safety
This emergency brake device can carry out Associated brake with braking during standstill, solves the not enough problem of braking during standstill power, improves the Parking safety;
3) strengthen the service brake Safety Redundancy
Owing to having adopted double-way check valve, work when the service brake pipeline is different from secondary line, do not affect mutually, to the original brake system of vehicle without any interference, perfect to the car brakeing safety, guarantee not affect the use of former car holding brake device, improve car load service brake performance;
4) use flexibly
The emergency brake device of this invention can be connected in parallel on front brake circuit or on the trailing wheel brake piping, or is connected in parallel on the front and back wheel pipeline simultaneously, according to actual needs flexible arrangement;
5) commonality is good
Be applicable to there is the full air braking system of central parking brake or the wheeled car of the liquid of gas cap system, there is field of application more widely.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is that conventional truck service brake pipeline moves towards figure;
Fig. 2 is that emergency brake device is connected in parallel on structural representation on service braking system trailing wheel brake piping;
Fig. 3 is that emergency brake device is connected in parallel on structural representation on the service braking system front brake circuit;
Fig. 4 is that emergency brake device is connected in parallel on structural representation on service braking system front and back wheel pipeline;
Fig. 5 is emergency brake on-state schematic diagram;
Reference numeral:
1. service brake valve; 2. front-wheel assistor; 3. front-wheel gaholder; 4. trailing wheel gaholder; 5. trailing wheel assistor; 6. hand brake valve; 7. standby gaholder stops; 8. tee connection; 9. double-way check valve;
The specific embodiment
Below in conjunction with example, the present invention will be described in detail.
Embodiment 1: emergency brake device is connected in parallel on the trailing wheel brake piping
In former car the liquid of gas cap system, as Fig. 1 conventional truck service brake pipeline moves towards as shown in figure, the tolerance of front-wheel gaholder 3, trailing wheel gaholder 4 and parking bailout bottle 7 is that Air compressor is supplied with from the car intrinsic motivation, service brake is that the gas that receives front-wheel gaholder 3, trailing wheel gaholder 4 by handling service brake valve 1 acts on front-wheel assistor 2, trailing wheel assistor 5, makes high pressure oil enter into the front and rear wheel drg and carries out service brake.Increase emergency brake device and on the pipeline of the standby gaholder 7 of former parking, increase a tee connection 8, hand brake valve 6 (this valve is progressive control) and a double-way check valve 9, by increasing tee connection 8, hand brake valve 6 and double-way check valve 9, make the trailing wheel brake piping become dual circuit, see that Fig. 2 increases the emergency brake device pipeline and moves towards shown in figure on service braking system, when the trailing wheel gaholder does not have gas, pipe breakage or service brake valve damage clamping stagnation, handle hand brake valve 6, can continue to control trailing wheel assistor 5, the rear wheel travelling crane braking device is braked.Owing to having adopted double-way check valve 9, when the service brake pipeline is different from the emergency brake brake piping, work, do not affect mutually, increased the service brake Safety Redundancy, simultaneously, use this device not only not affect the use of former car holding brake device, also improved car load service brake performance.
Emergency brake is connected principle and is seen Fig. 5.Connect the gas of bailout bottle 7 when using hand braking handle wrench to the emergency brake state, emergency brake device is under on-state, air pressure enters double-way check valve 9, gas and then promotion trailing wheel blwr fluid are to the rear wheel brake oil cylinder, carry out the trailing wheel braking, and now double-way check valve 9 is obstructed to service brake valve end;
When pin is stepped on service brake valve 1, trailing wheel gaholder 4 gases enter double-way check valve 9, and gas push trailing wheel blwr fluid, to the rear wheel brake oil cylinder, carries out the trailing wheel braking, and now double-way check valve 9 catcher brake activation valve 6 ends are obstructed.
Embodiment 2: emergency brake device is connected in parallel on front brake circuit
Do not damage clamping stagnation when the front-wheel gaholder has gas, pipe breakage or service brake valve, handle hand brake valve 6, can continue to control front-wheel assistor 2, the front-wheel running brake is braked.
Embodiment 3: emergency brake device is connected in parallel on the front and back wheel pipeline
Do not damage clamping stagnation when front-wheel gaholder and trailing wheel gaholder have gas, pipe breakage or service brake valve, handle hand brake valve 6, can continue to control front-wheel assistor 2 and trailing wheel assistor 5, front-wheel running brake and rear wheel travelling crane braking device are braked.
According to specific exemplary embodiment, invention has been described herein.It will be apparent carrying out to one skilled in the art suitable replacement or revise under not departing from the scope of the present invention.Exemplary embodiment is only illustrative, rather than, to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (5)
1. a wheeled car emergency brake device, described device comprises tee connection (8), hand brake valve (6) and double-way check valve (9); Former garage car brake system comprises service brake valve (1), front-wheel assistor (2), front-wheel gaholder (3), trailing wheel gaholder (4), trailing wheel assistor (5) and the standby gaholder (7) that stops; It is characterized in that the standby gaholder of described parking (7), tee connection (8), hand brake valve (6) and double-way check valve (9) connect to form emergency line in turn; Described service brake valve (1), front-wheel gaholder (3), front-wheel assistor (2) and front-wheel brake connect to form front brake circuit in turn; Described service brake valve (1), trailing wheel gaholder (4), trailing wheel assistor (5) and rear wheel brake connect to form the trailing wheel brake piping in turn; Described emergency line is in parallel with described trailing wheel brake piping, or in parallel with described front brake circuit, or in parallel with described trailing wheel brake piping and front brake circuit.
2. a kind of wheeled car emergency brake device as claimed in claim 1, is characterized in that the tolerance of described front-wheel gaholder (3), trailing wheel gaholder (4) and the standby gaholder (7) that stops is supplied with by Air compressor on the car intrinsic motivation.
3. a kind of wheeled car emergency brake device as claimed in claim 1, after it is characterized in that described emergency line and described trailing wheel brake piping being in parallel, the trailing wheel brake piping forms dual circuit, when described emergency line is different with the trailing wheel brake piping, works.
4. a kind of wheeled car emergency brake device as claimed in claim 1, after it is characterized in that described emergency line and described front brake circuit being in parallel, front brake circuit forms dual circuit, when described emergency line is different with front brake circuit, works.
5. a kind of wheeled car emergency brake device as claimed in claim 1, after it is characterized in that described emergency line and described front brake circuit and trailing wheel brake piping being in parallel, front brake circuit and trailing wheel brake piping all form dual circuit, work when described emergency line is different with the service brake pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110243265 CN102390375B (en) | 2011-08-23 | 2011-08-23 | Wheeled vehicle emergency braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110243265 CN102390375B (en) | 2011-08-23 | 2011-08-23 | Wheeled vehicle emergency braking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390375A CN102390375A (en) | 2012-03-28 |
| CN102390375B true CN102390375B (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110243265 Expired - Fee Related CN102390375B (en) | 2011-08-23 | 2011-08-23 | Wheeled vehicle emergency braking device |
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| Country | Link |
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| CN (1) | CN102390375B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016020095A1 (en) * | 2014-08-08 | 2016-02-11 | Robert Bosch Gmbh | Braking method for a motor vehicle and control device for a braking method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839677B (en) * | 2016-12-19 | 2024-04-23 | 王军 | Automatic braking kinetic energy converter for unmanned vehicle |
| CN108407789B (en) * | 2018-05-16 | 2024-01-09 | 吉林大学 | Automatic emergency air pressure braking device |
| CN115257672A (en) * | 2022-08-29 | 2022-11-01 | 广西柳工机械股份有限公司 | Braking system and engineering machinery |
| CN115416633A (en) * | 2022-09-14 | 2022-12-02 | 湖北三江航天万山特种车辆有限公司 | Vehicle line control gas cap liquid braking system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303790A (en) * | 2000-01-11 | 2001-07-18 | 王石麟 | Full-axle automatic compensation emergency brake device for automobile |
| CN200942765Y (en) * | 2006-05-21 | 2007-09-05 | 东风汽车有限公司 | Automobile emergency braking device and differential relay valve thereof |
| CN201633716U (en) * | 2010-04-02 | 2010-11-17 | 吴兴春 | Spare braking system for motor vehicle |
| CN201736980U (en) * | 2010-06-09 | 2011-02-09 | 北汽福田汽车股份有限公司 | Parking air pressure brake system |
-
2011
- 2011-08-23 CN CN 201110243265 patent/CN102390375B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303790A (en) * | 2000-01-11 | 2001-07-18 | 王石麟 | Full-axle automatic compensation emergency brake device for automobile |
| CN200942765Y (en) * | 2006-05-21 | 2007-09-05 | 东风汽车有限公司 | Automobile emergency braking device and differential relay valve thereof |
| CN201633716U (en) * | 2010-04-02 | 2010-11-17 | 吴兴春 | Spare braking system for motor vehicle |
| CN201736980U (en) * | 2010-06-09 | 2011-02-09 | 北汽福田汽车股份有限公司 | Parking air pressure brake system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016020095A1 (en) * | 2014-08-08 | 2016-02-11 | Robert Bosch Gmbh | Braking method for a motor vehicle and control device for a braking method |
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| Publication number | Publication date |
|---|---|
| CN102390375A (en) | 2012-03-28 |
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Granted publication date: 20131218 Termination date: 20200823 |
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