CN101177139A - Bidirectional steering vehicle braking transmission system - Google Patents
Bidirectional steering vehicle braking transmission system Download PDFInfo
- Publication number
- CN101177139A CN101177139A CNA2007101911331A CN200710191133A CN101177139A CN 101177139 A CN101177139 A CN 101177139A CN A2007101911331 A CNA2007101911331 A CN A2007101911331A CN 200710191133 A CN200710191133 A CN 200710191133A CN 101177139 A CN101177139 A CN 101177139A
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a bidirectional land vehicle break hydraulic system, which comprises a first foot brake valve arranged in a cab, a first hand brake valve arranged in the cab, a second foot brake valve arranged in the other cab, a second hand brake valve arranged in the other cab, an operation brake change valve, an emergency and parking brake change valve, a hydraulic pump, an accumulator charge valve, an accumulator, a front drive axle brake, a back drive axle brake, an emergency and parking break, a first shuttle valve and a second shuttle valve. The invention has the advantages of controlling operation break and emergency and parking break in two cabs respectively, being interlocked between foot brake valves in two cabs and between the hand brake valves in two cabs due to the action of the operation brake change valve and the emergency and parking brake change valve.
Description
Technical field
The present invention relates to bidirectional steering vehicle liquid hydraulic braking system.
Background technology
The disclosed loader of utility model patent specification sheets that the disclosed rubber-tired cart of utility model patent specification sheets, the China Patent No. that China Patent No. is 02285016.3, name is called " down-hole trackless assistant conveyance rubber-tired cart " is 200620083271.9, name is called " the wheeled underground loader of 4 wheel driven " all is the down-hole car.Above-mentioned two kinds of down-holes all are one-way traffics with car, and in less crossheading of drift section or the belt lane during operation, vehicle can't be reversed end for end, so be not suitable in the less occasion effect of drift section under coal mine.For solving the transportation of crossheading or belt lane personnel and material, developing the railless free-wheeled vehicle of bidirectional driving at present, vehicle frame before and after this railless free-wheeled vehicle has, hinged between the vehicle frame of front and back, all be provided with operator's compartment on the forward and backward vehicle frame, two operator'ies compartment can both be driven by forward.Owing to be bidirectional driving, brake system need satisfy the requirement that interlocking can both be handled and can be reached to two operator'ies compartment, and this and one-way traffic vehicle braked system are distinguishing.
Summary of the invention
The objective of the invention is to propose a kind of bidirectional steering vehicle braking transmission system that can accept respectively that two operator'ies compartment are handled and again can interlocking.
For achieving the above object, the present invention takes following technical scheme:
The present invention includes the foot brake valve and the trumpeter's brake activation valve that are arranged on an operator's compartment, be arranged on No. two foot brake valves and two trumpeter's brake activation valves of another operator's compartment, in addition, also comprise service braking change-over valve and urgent and stopping brake change-over valve, Hydraulic Pump, accumulator charging valve, energy storage, front driving axle drg, rear driving axle drg, promptly reach parking brake and a shuttle valve and No. two shuttle valves; Described Hydraulic Pump is given the energy storage topping up by prefill valve, check valve, energy storage not only had been connected with the P mouth of service braking change-over valve, but also be connected with the P mouth of urgent and stopping brake change-over valve, the B mouth of service braking change-over valve, A mouth are that the SP1 mouth is connected with the oil inlet of a foot brake valve, No. two foot brake valves respectively, the BR1 mouth that foot brake valve working hole is BR1 mouth, No. two foot brake valves is connected with A mouth, the C mouth of a shuttle valve respectively, the B mouth of a shuttle valve not only with being connected of the oil inlet of front driving axle drg, but also be connected with the oil inlet of rear driving axle drg; The B mouth of urgent and stopping brake change-over valve, A mouth are that the S mouth of S mouth, two trumpeter's brake activation valves is connected with the oil inlet of trumpeter's brake activation valve respectively, the B mouth of the B mouth of one trumpeter's brake activation valve, two trumpeter's brake activation valves is connected with A mouth, the C mouth of No. two shuttle valves respectively, and the B mouth of No. two shuttle valves is connected with urgent and parking brake; The equal connected system fuel tank of the T mouth of the T mouth of the T mouth of the T mouth of the N of above-mentioned prefill valve, T mouth, a foot brake valve and M2 mouth, No. two foot brake valves and M2 mouth, trumpeter's brake activation valve and two trumpeter's brake activation valves.
Described service braking change-over valve all is two position and four-way reversing valves with urgent and stopping brake change-over valve.
Described forward and backward drive axle drg is wet multi-disc brake.
Described Hydraulic Pump is a gear type pump, is provided with oil filter between Hydraulic Pump and the prefill valve.
The present invention has following good effect:
1, the present invention respectively disposes foot brake valve and hand brake valve in two operator'ies compartment, and is controlled by service braking change-over valve and the urgent stopping brake change-over valve that reaches, so can be respectively at two operator's compartment inner control service brakings and urgent and stopping brake.Because interlocking between the hand brake valve in the interlocking between the foot brake valve in the effect of service braking change-over valve and urgent and stopping brake change-over valve, two operator'ies compartment, two operator'ies compartment.
2, the present invention adopts accumulator charging valve, can set upper limit value and lower limit value to the topping up of prefill valve, when prefill valve is given the energy storage topping up to prefill valve pressure capping value, the Hydraulic Pump pressure oil returns hydraulic reservoir by the non-loaded off-load of prefill valve N mouth, Hydraulic Pump stops to the energy storage topping up, otherwise, when energy storage pressure drops to prefill valve supercharging pressure preset lower limit, Hydraulic Pump is given the energy storage topping up by prefill valve automatically, so the present invention has good safety.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is a side-looking constructional drawing of the present invention;
Fig. 2 is a hydraulic schematic diagram of the present invention.
The specific embodiment
Embodiment
Embodiment shown in the drawings comprises foot brake valve 8 and the trumpeter's brake activation valve 13 that is arranged on an operator's compartment, be arranged on No. two foot brake valves 12 and two trumpeter's brake activation valves 16 of another operator's compartment, in addition, also comprise service braking change-over valve 7 and urgent and stopping brake change-over valve 17, Hydraulic Pump 2, oil suction oil filter 18, press oily oil filter 3, prefill valve 4, energy storage 6, front driving axle drg 10, rear driving axle drg 11, promptly reach parking brake 15 and a shuttle valve 9 and No. two shuttle valves 14.Described oil suction oil filter 18 is arranged on presses between fuel tank 1 and the Hydraulic Pump, presses oily oil filter 3 to be arranged between Hydraulic Pump 2 and the prefill valve 4.Described service braking change-over valve 7 all is two position and four-way reversing valves with urgent and stopping brake change-over valve 17.Described forward and backward drive axle drg 10,11 is wet multi-disc brake.Described Hydraulic Pump 2 is a gear type pump.
Described Hydraulic Pump 2 is by prefill valve 4, check valve 5 is given energy storage 6 topping ups, energy storage 6 both was connected with the P mouth of service braking change-over valve 7, P mouth with urgent and stopping brake change-over valve 17 is connected again, the B mouth of service braking change-over valve 7, the A mouth respectively with a foot brake valve 8, the oil inlet of No. two foot brake valves 12 is that the SP1 mouth connects, No. one foot brake valve 8 working holes are the BR1 mouth, the BR1 mouth of No. two foot brake valves 12 respectively with the A mouth of a shuttle valve 9, the C mouth connects, the B mouth of a shuttle valve 9 both with being connected of the oil inlet of front driving axle drg 10, oil inlet with rear driving axle drg 11 is connected again; The B mouth of urgent and stopping brake change-over valve 17, A mouth are that the S mouth of S mouth, two trumpeter's brake activation valves 16 is connected with the oil inlet of trumpeter's brake activation valve 13 respectively, the B mouth of the B mouth of one trumpeter's brake activation valve 13, two trumpeter's brake activation valves 16 is connected with A mouth, the C mouth of No. two shuttle valves 14 respectively, and the B mouth of No. two shuttle valves 14 is connected with urgent and parking brake 15; The equal connected system fuel tank 1 of the T mouth of the T mouth of the T mouth of the T mouth of the N of above-mentioned prefill valve 4, T mouth, a foot brake valve 8 and M2 mouth, No. two foot brake valves 12 and M2 mouth, trumpeter's brake activation valve 13 and two trumpeter's brake activation valves 16.
The present invention is applied on the bidirectional driving railless free-wheeled vehicle of static pressure driving system, and driving system has controllable capacity pump and the variable-dis-placement motor that has the DA valve.The SP2 mouth of a foot brake valve 8 all is connected with the brake safe shutoff valve of controllable capacity pump with the SP2 mouth of No. two foot brake valves 12.
The present invention is when using, Hydraulic Pump 2 is given energy storage 6 topping ups by prefill valve 4, check valve 5, when being charged on prefill valve 4 setting values, energy storage 6 pressure prescribe a time limit, Hydraulic Pump 2 pressure oils return hydraulic reservoir 1 by the non-loaded off-load of prefill valve N mouth, Hydraulic Pump 2 stops to energy storage 6 topping ups, when the service braking pin is stepped on 8～9 times, energy storage 6 pressure decays are during to prefill valve 4 setting value lower limits, and Hydraulic Pump 2 is given energy storage 6 topping ups by prefill valve 4, check valves 5 automatically.When stepping on the foot brake valve, energy storage pressure oil enters forward and backward drive axle drg 10,11 brake wheels by the foot brake valve.Loosen stretcher, the oily oil sump tank 1 in the forward and backward drive axle drg, braking mode is removed.
Urgent and parking brake 15 is that a kind of hydraulic pressure discharges, brake application by spring safety failure type drg, promptly reaches on the auxiliary gear box that parking brake 15 is installed in driving device.After railless free-wheeled vehicle starts, pull urgent and stopping brake change-over valve 17 this moment, then the pressure oil of energy storage 6 enters urgent and parking brake 15, and stopping brake is removed, and locomotive can move.After the parking, manual valve handle is turned back braking position, pressure oil is by off-load, and drg is under the effect of spring force, and locomotive is braked.Meet emergency situation during the car operation, when service braking is malfunctioning, manual valve handle can be pulled to braking position enforcement emergency braking.
Claims (4)
1. bidirectional steering vehicle braking transmission system, it is characterized in that: comprise the foot brake valve (8) and the trumpeter's brake activation valve (13) that are arranged on an operator's compartment, be arranged on No. two foot brake valves (12) and two trumpeter's brake activation valves (16) of another operator's compartment, in addition, also comprise service braking change-over valve (7) and urgent and stopping brake change-over valve (17), Hydraulic Pump (2), accumulator charging valve (4), energy storage (6), front driving axle drg (10), rear driving axle drg (11), urgent parking brake (15) and a shuttle valve (9) and No. two shuttle valves (14) of reaching; Described Hydraulic Pump (2) is by prefill valve (4), check valve (5) is given energy storage (6) topping up, energy storage (6) both was connected with the P mouth of service braking change-over valve (7), P mouth with urgent and stopping brake change-over valve (17) is connected again, the B mouth of service braking change-over valve (7), the A mouth respectively with a foot brake valve (8), the oil inlet of No. two foot brake valves (12) is that the SP1 mouth connects, a foot brake valve (8) working hole is the BR1 mouth, the BR1 mouth of No. two foot brake valves (12) respectively with the A mouth of a shuttle valve (9), the C mouth connects, the B mouth of a shuttle valve (9) both with being connected of the oil inlet of front driving axle drg (10), oil inlet with rear driving axle drg (11) is connected again; The B mouth of urgent and stopping brake change-over valve (17), A mouth are that the S mouth of S mouth, two trumpeter's brake activation valves (16) is connected with the oil inlet of trumpeter's brake activation valve (13) respectively, the B mouth of the B mouth of one trumpeter's brake activation valve (13), two trumpeter's brake activation valves (16) is connected with A mouth, the C mouth of No. two shuttle valves (14) respectively, and the B mouth of No. two shuttle valves (14) is connected with urgent and parking brake (15); The T mouth of the T mouth of the T mouth of the N of above-mentioned prefill valve (4), T mouth, a foot brake valve (8) and M2 mouth, No. two foot brake valves (12) and M2 mouth, trumpeter's brake activation valve (13) and the equal connected system fuel tank of T mouth (1) of two trumpeter's brake activation valves (16).
2. bidirectional steering vehicle braking transmission system according to claim 1 is characterized in that: described service braking change-over valve (7) and urgent and stopping brake change-over valve (17) all are two position and four-way reversing valves.
3. bidirectional steering vehicle braking transmission system according to claim 1 is characterized in that: described forward and backward drive axle drg (10,11) is wet multi-disc brake.
4. bidirectional steering vehicle braking transmission system according to claim 1 is characterized in that: described Hydraulic Pump (2) is a gear type pump, is provided with oil filter (3) between Hydraulic Pump (2) and the prefill valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101911331A CN101177139B (en) | 2007-12-10 | 2007-12-10 | Bidirectional steering vehicle braking transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101911331A CN101177139B (en) | 2007-12-10 | 2007-12-10 | Bidirectional steering vehicle braking transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101177139A true CN101177139A (en) | 2008-05-14 |
| CN101177139B CN101177139B (en) | 2011-05-18 |
Family
ID=39403610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101911331A Expired - Fee Related CN101177139B (en) | 2007-12-10 | 2007-12-10 | Bidirectional steering vehicle braking transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101177139B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963164A (en) * | 2010-08-30 | 2011-02-02 | 芜湖盛力制动有限责任公司 | Accumulator replenishing valve of full-hydraulic braking system of engineering machinery |
| CN102022516A (en) * | 2010-12-15 | 2011-04-20 | 徐州重型机械有限公司 | Wheeled crane and chassis hydraulic control system thereof |
| CN102050098A (en) * | 2010-12-20 | 2011-05-11 | 中国一拖集团有限公司 | Hydraulic dynamic brake operating system for tractor |
| CN102501843A (en) * | 2011-11-07 | 2012-06-20 | 中国煤炭科工集团太原研究院 | Brake device of fully-hydraulic-driven two-way driving trackless rubber-tyred vehicle |
| CN102514562A (en) * | 2011-12-03 | 2012-06-27 | 中国煤炭科工集团太原研究院 | Double-tube fully-hydraulic braking device with closed wet-type multi-disc brakes for coal mine explosion-proof vehicle |
| CN102556026A (en) * | 2012-02-03 | 2012-07-11 | 苏州大方特种车股份有限公司 | Braking system for low-platform trailer |
| CN103879429A (en) * | 2014-03-28 | 2014-06-25 | 常州科研试制中心有限公司 | Automobile parking braking and gear combination control system |
| CN103895630A (en) * | 2014-03-28 | 2014-07-02 | 常州科研试制中心有限公司 | Cage truck for underground coal mine |
| CN105235670A (en) * | 2015-10-23 | 2016-01-13 | 衡阳合力工业车辆有限公司 | Vacuum assisted hydraulic brake system |
| CN106194859A (en) * | 2016-09-30 | 2016-12-07 | 上海振华重工(集团)股份有限公司 | The electro-hydraulic brake hydraulic system of straddle carrier and control method thereof |
| CN106671962A (en) * | 2017-02-14 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Flameout brake system for underground trackless rubber-tired vehicle |
| CN108622055A (en) * | 2018-06-30 | 2018-10-09 | 袁菊花 | The brake control of vehicle |
| CN108909695A (en) * | 2018-07-01 | 2018-11-30 | 刘剑 | The stop device of vehicle |
| CN110239503A (en) * | 2019-06-28 | 2019-09-17 | 三一海洋重工有限公司 | Brake control alarm method and brake control system |
| CN110843752A (en) * | 2019-11-12 | 2020-02-28 | 广西柳工机械股份有限公司 | Braking system and loader |
| CN112572515A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572516A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572514A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN113459737A (en) * | 2021-08-09 | 2021-10-01 | 山东威猛工程机械有限公司 | Bidirectional running braking system of highway and railway dual-purpose engineering machinery |
| CN114932891A (en) * | 2022-04-28 | 2022-08-23 | 中国煤炭科工集团太原研究院有限公司 | Bidirectional driving explosion-proof vehicle parking brake quick response device |
-
2007
- 2007-12-10 CN CN2007101911331A patent/CN101177139B/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963164A (en) * | 2010-08-30 | 2011-02-02 | 芜湖盛力制动有限责任公司 | Accumulator replenishing valve of full-hydraulic braking system of engineering machinery |
| CN102022516A (en) * | 2010-12-15 | 2011-04-20 | 徐州重型机械有限公司 | Wheeled crane and chassis hydraulic control system thereof |
| CN102050098A (en) * | 2010-12-20 | 2011-05-11 | 中国一拖集团有限公司 | Hydraulic dynamic brake operating system for tractor |
| CN102050098B (en) * | 2010-12-20 | 2012-11-21 | 中国一拖集团有限公司 | Hydraulic dynamic brake operating system for tractor |
| CN102501843A (en) * | 2011-11-07 | 2012-06-20 | 中国煤炭科工集团太原研究院 | Brake device of fully-hydraulic-driven two-way driving trackless rubber-tyred vehicle |
| CN102514562B (en) * | 2011-12-03 | 2014-12-10 | 中国煤炭科工集团太原研究院 | Double-tube fully-hydraulic braking device with closed wet-type multi-disc brakes for coal mine explosion-proof vehicle |
| CN102514562A (en) * | 2011-12-03 | 2012-06-27 | 中国煤炭科工集团太原研究院 | Double-tube fully-hydraulic braking device with closed wet-type multi-disc brakes for coal mine explosion-proof vehicle |
| CN102556026A (en) * | 2012-02-03 | 2012-07-11 | 苏州大方特种车股份有限公司 | Braking system for low-platform trailer |
| CN102556026B (en) * | 2012-02-03 | 2015-04-08 | 苏州大方特种车股份有限公司 | Braking system for low-platform trailer |
| CN103879429B (en) * | 2014-03-28 | 2016-04-13 | 常州科研试制中心有限公司 | Vehicle parking braking and gear combined control system |
| CN103879429A (en) * | 2014-03-28 | 2014-06-25 | 常州科研试制中心有限公司 | Automobile parking braking and gear combination control system |
| CN103895630A (en) * | 2014-03-28 | 2014-07-02 | 常州科研试制中心有限公司 | Cage truck for underground coal mine |
| CN105235670B (en) * | 2015-10-23 | 2018-12-18 | 衡阳合力工业车辆有限公司 | A kind of vacuum assisted hydraulic brake system |
| CN105235670A (en) * | 2015-10-23 | 2016-01-13 | 衡阳合力工业车辆有限公司 | Vacuum assisted hydraulic brake system |
| CN106194859A (en) * | 2016-09-30 | 2016-12-07 | 上海振华重工(集团)股份有限公司 | The electro-hydraulic brake hydraulic system of straddle carrier and control method thereof |
| CN106671962A (en) * | 2017-02-14 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Flameout brake system for underground trackless rubber-tired vehicle |
| CN108622055A (en) * | 2018-06-30 | 2018-10-09 | 袁菊花 | The brake control of vehicle |
| CN108909695A (en) * | 2018-07-01 | 2018-11-30 | 刘剑 | The stop device of vehicle |
| CN110239503A (en) * | 2019-06-28 | 2019-09-17 | 三一海洋重工有限公司 | Brake control alarm method and brake control system |
| CN112572515A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572516A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572514A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN110843752A (en) * | 2019-11-12 | 2020-02-28 | 广西柳工机械股份有限公司 | Braking system and loader |
| CN113459737A (en) * | 2021-08-09 | 2021-10-01 | 山东威猛工程机械有限公司 | Bidirectional running braking system of highway and railway dual-purpose engineering machinery |
| CN114932891A (en) * | 2022-04-28 | 2022-08-23 | 中国煤炭科工集团太原研究院有限公司 | Bidirectional driving explosion-proof vehicle parking brake quick response device |
Also Published As
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| CN101177139B (en) | 2011-05-18 |
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Granted publication date: 20110518 Termination date: 20171210 |