CN201228676Y - Hydraulic system for electric locomotive brake - Google Patents
Hydraulic system for electric locomotive brake Download PDFInfo
- Publication number
- CN201228676Y CN201228676Y CNU2008200139917U CN200820013991U CN201228676Y CN 201228676 Y CN201228676 Y CN 201228676Y CN U2008200139917 U CNU2008200139917 U CN U2008200139917U CN 200820013991 U CN200820013991 U CN 200820013991U CN 201228676 Y CN201228676 Y CN 201228676Y
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- braking
- hydraulic system
- accumulator
- pipeline
- valve
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- Expired - Fee Related
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to a hydraulic system of an explosion-proof electric locomotive, in particular to a hydraulic system for locomotive braking, which resolves problems in the prior art, such as low automation, tedious operation, hardness for realizing large braking force and the like. The hydraulic system is provided with a pump-motor group, an energy accumulator, a sanding cylinder, an emergency brake cylinder, a service braking cylinder and a parking brake cylinder, wherein the pump-motor group is communicated with the energy accumulator through a pipeline, and an oil outlet of the energy accumulator is respectively connected to the sanding cylinder, the emergency brake cylinder, the service braking cylinder and the parking brake cylinder through pipelines. Applying the hydraulic system to realizing the brake function of the explosion-proof electric locomotive, the utility model can realize service braking, parking braking, emergency braking, certain-distance braking and hydraulic sanding for the electric locomotive, and the hydraulic braking is easy for realizing large braking force, thereby having the advantages of safety, reliability and high automation.
Description
Technical field
The utility model relates to the hydraulic system of electric explosion-tested locomotive, is specially a kind of hydraulic system that is mainly used in the electric locomotive braking.
Background technique
At present, because machinery and pneumatic mode are adopted in the braking of home and abroad colliery Underground Locomotive Carrier mostly, automaticity is low, complex operation, and be difficult to realize big braking force.And adopt the hydraulic braking mode, and can satisfy the big required braking force of large-tonnage electric locomotive, braking is steady, and automaticity is higher, can satisfy hommization operation requirement preferably.
The model utility content
The purpose of this utility model is to provide a kind of hydraulic system that is used for the electric locomotive braking, it is low to solve the automaticity that exists in the prior art, complex operation, and be difficult to realize problems such as big braking force, it with hydraulic system be used for explosion-proof electric vehicle service brake, parking braking, emergency braking, set a distance braking, control sands, braking force is big, the automaticity height.
The technical solution of the utility model is:
A kind of hydraulic system that is used for the electric locomotive braking, this hydraulic system is provided with pump motor group, accumulator, the oil cylinder that sands, emergency braking oil cylinder, service brake oil cylinder, Parking Brake, the pump motor group is communicated with accumulator by pipeline, and the oil outlet of accumulator is connected to the oil cylinder that sands, emergency braking oil cylinder, service brake oil cylinder, Parking Brake by pipeline respectively.
The described hydraulic system that is used for the electric locomotive braking is provided with pressure transducer on the fuel-displaced pipeline of accumulator.
The described hydraulic system that is used for electric locomotive braking is provided with accumulator charging valve, relief valve on pump motor group and pipeline that accumulator is connected.
The described hydraulic system that is used for electric locomotive braking is provided with solenoid directional control valve on accumulator and pipeline that the oil cylinder that sands is connected.
The described hydraulic system that is used for the electric locomotive braking, on accumulator and pipeline that the emergency braking oil cylinder is connected, handle brake valve, pressure transducer are set, on accumulator and pipeline that the service brake oil cylinder is connected, pedal brake valve, electro-hydraulic proportional reducing valve, shuttle valve are set, on accumulator and pipeline that Parking Brake is connected, handle brake valve, pressure transducer are set.
The described hydraulic system that is used for the electric locomotive braking, the pedal brake valve and the handle brake valve of this hydraulic system are installed on operator cabin.
The described hydraulic system that is used for the electric locomotive braking is provided with hand valve on the pipeline between accumulator and the fuel tank.
The described hydraulic system that is used for electric locomotive braking, the oil outlet of Parking Brake is provided with hand pump by the pipeline fuel tank that is linked back on the pipeline between Parking Brake and the fuel tank.
The beneficial effects of the utility model are:
1, the utility model hydraulic system is used for the electric locomotive braking, and hydraulic system is easy to realize big braking force, the braking uniform and stable, and safe and reliable, convenient operation and control combines with electrical control, is easy to realize automatic working cycle and automatic overload protection.
2, in the utility model, pedal brake valve, each operator cabin of handle brake valve are installed one and two respectively, are used to realize the independent control of service brake, parking braking and emergency braking of the electric locomotive of bidirectional driving.Because this electric locomotive is a bidirectional driving, the front and back operator cabin can realize independently that all service brake, parking braking, emergency braking, the set a distance of electric locomotive are braked, control sands.
3, in the utility model, because electric locomotive can be driven front and back, can use pedal brake valve, handle brake valve, handle brake valve, electro-hydraulic proportional reducing valve, solenoid directional control valve carry out car braking, parking braking, emergency braking, set a distance braking and stucco control respectively at the front and back operator cabin.With pressure transducer detection system pressure, the start and stop of control Oil pump electrical machinery, i.e. motor discontinuous operation, energy saving reduces system's heating value.
Description of drawings
Fig. 1 is the utility model hydraulic schematic diagram.
Among the figure, 1 pump motor group; 2 relief valves; 3 hand valves; 4 hand pumps; 5 accumulator charging valve; 6 accumulators; 7 pressure transducer I; 8 oil cylinders that sand; 9 solenoid directional control valves; 10 handle brake valve I; 11 pedal brake valves; 12 handle brake valve II; 13 pressure transducer II; 14 emergency braking oil cylinders; 15 electro-hydraulic proportional reducing valves; 16 shuttle valves; 17 service brake oil cylinders; 18 Parking Brakes; 19 pressure transducer III; 20 fuel tanks.
Embodiment
As shown in Figure 1, the utility model is used for the hydraulic system of electric locomotive braking, mainly comprises pump motor group 1, relief valve 2, hand valve 3, hand pump 4, accumulator charging valve 5, accumulator 6, pressure transducer I7, the oil cylinder 8 that sands, solenoid directional control valve 9, handle brake valve I10, pedal brake valve 11, handle brake valve II12, pressure transducer II13, emergency braking oil cylinder 14, electro-hydraulic proportional reducing valve 15, shuttle valve 16, service brake oil cylinder 17, Parking Brake 18, pressure transducer III19.Concrete structure is as follows:
Pump motor group 1 is communicated with accumulator 6 by pipeline, on pump motor group 1 and pipeline that accumulator 6 is connected, accumulator charging valve 5, relief valve 2 are set, the oil outlet of accumulator 6 is connected to the oil cylinder 8 that sands, emergency braking oil cylinder 14, service brake oil cylinder 17, Parking Brake 18 by pipeline respectively, on the fuel-displaced pipeline of accumulator 6 pressure transducer I7 is set.On accumulator 6 and pipeline that the oil cylinder 8 that sands is connected, solenoid directional control valve 9 is set; On accumulator 6 and pipeline that emergency braking oil cylinder 14 is connected, handle brake valve I10, pressure transducer II13 are set; On accumulator 6 and pipeline that service brake oil cylinder 17 is connected pedal brake valve 11, electro-hydraulic proportional reducing valve 15, shuttle valve 16 are set, on the pipeline between accumulator 6 and the fuel tank 20 hand valve 3 are set, hand valve 3 can be with the fluid off-load of accumulator; On accumulator 6 and pipeline that Parking Brake 18 is connected, handle brake valve II12, pressure transducer III19 are set, the oil outlet of Parking Brake 18 is by the pipeline fuel tank 20 that is linked back, on the pipeline between Parking Brake 18 and the fuel tank 20, hand pump 4 is set, when car load breaks down, under the situation of hydraulic system fails, buy oil to Parking Brake 18 with hand pump 4, back down the spring of Parking Brake 18, can trailer.
Adopt the utility model a pedal brake valve 11 and two handle brake valves (handle brake valve I10, handle brake valve II12) to be installed respectively, be used to realize the independent control of service brake, parking braking and emergency braking of the electric locomotive of bidirectional driving at each operator cabin.
Pressure transducer I7 detects the outlet pressure of accumulator 6, when pressure is lower than the threshold pression setting value of setting, starts Oil pump electrical machinery 1, give accumulator 6 topping ups, when pressure is higher than the upper limit pressure of setting, stop Oil pump electrical machinery 1 running, even its discontinuous operation, energy saving, the heating of less system.System's fluid is all provided by accumulator 6.Treadle valve brake valve 11 control service brake oil cylinders 17, handle brake valve II12 controls Parking Brake 18, handle brake valve I10 control emergency braking oil cylinder 14; When electro-hydraulic proportional reducing valve 15 is imported continuous current signal, can control 17 actions of service brake oil cylinder, realize the set a distance braking; When needs increased the friction factor of electric locomotive wheel and track, it is electric that solenoid directional control valve 9 is got, and control stucco oil cylinder 8 is flexible, realizes that sandbox sands automatically.
The result shows that the utility model is used to realize the electric explosion-tested locomotive braking function with hydraulic system, can realize that service brake, parking braking, emergency braking, set a distance braking and the hydraulic pressure of electric locomotive sands.Hydraulic braking is easy to realize high braking force, and is safe and reliable, the automaticity height.Service brake adopts hydraulic jack to promote to be equipped with the mechanical mechanism realization braking of brake shoe, parking braking is adopted to have the break that spring braking hydraulic pressure declutches and brakes, the mode that emergency braking adopts oil cylinder promotion brake pad to push track realizes braking, braking force is bigger, can realize easily that the urgency of electric locomotive stops, the set a distance brake can realize that the operator passes through to realize braking to the mode of set a distance.When needs increase the friction factor of electric locomotive and track, can sand to the wheel front end, control sandbox by stretching of hydraulic cylinder piston rod and whether sand.
Claims (8)
1, a kind of hydraulic system that is used for the electric locomotive braking, it is characterized in that: this hydraulic system is provided with pump motor group, accumulator, the oil cylinder that sands, emergency braking oil cylinder, service brake oil cylinder, Parking Brake, the pump motor group is communicated with accumulator by pipeline, and the oil outlet of accumulator is connected to the oil cylinder that sands, emergency braking oil cylinder, service brake oil cylinder, Parking Brake by pipeline respectively.
2, according to the described hydraulic system that is used for the electric locomotive braking of claim 1, it is characterized in that: on the fuel-displaced pipeline of accumulator pressure transducer is set.
3, according to the described hydraulic system that is used for electric locomotive braking of claim 1, it is characterized in that: on pump motor group and pipeline that accumulator is connected, accumulator charging valve, relief valve are set.
4, according to the described hydraulic system that is used for electric locomotive braking of claim 1, it is characterized in that: on accumulator and pipeline that the oil cylinder that sands is connected, solenoid directional control valve is set.
5, according to the described hydraulic system that is used for the electric locomotive braking of claim 1, it is characterized in that: on accumulator and pipeline that the emergency braking oil cylinder is connected, handle brake valve, pressure transducer are set, on accumulator and pipeline that the service brake oil cylinder is connected, pedal brake valve, electro-hydraulic proportional reducing valve, shuttle valve are set, on accumulator and pipeline that Parking Brake is connected, handle brake valve, pressure transducer are set.
6, according to the described hydraulic system that is used for the electric locomotive braking of claim 5, it is characterized in that: the pedal brake valve and the handle brake valve of this hydraulic system are installed on operator cabin.
7, according to the described hydraulic system that is used for the electric locomotive braking of claim 5, it is characterized in that: on the pipeline between accumulator and the fuel tank, hand valve is set.
8, according to the described hydraulic system that is used for electric locomotive braking of claim 5, it is characterized in that: the oil outlet of Parking Brake is provided with hand pump by the pipeline fuel tank that is linked back on the pipeline between Parking Brake and the fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200139917U CN201228676Y (en) | 2008-07-11 | 2008-07-11 | Hydraulic system for electric locomotive brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200139917U CN201228676Y (en) | 2008-07-11 | 2008-07-11 | Hydraulic system for electric locomotive brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228676Y true CN201228676Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200139917U Expired - Fee Related CN201228676Y (en) | 2008-07-11 | 2008-07-11 | Hydraulic system for electric locomotive brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228676Y (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870362A (en) * | 2010-06-13 | 2010-10-27 | 江西洪都航空工业集团有限责任公司 | Automatic oiling type emergency hydraulic system of airplane |
| 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 |
| CN102425580A (en) * | 2011-08-16 | 2012-04-25 | 中联重科股份有限公司 | Braking valve bank, hydraulic system having same and concrete spreader |
| 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 |
| CN102616707A (en) * | 2011-01-30 | 2012-08-01 | 长沙中联消防机械有限公司 | Work bucket leveling control device |
| WO2013023366A1 (en) * | 2011-08-16 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Brake valve assembly, hydraulic system having the same and concrete distributor |
| CN102966608A (en) * | 2012-11-16 | 2013-03-13 | 无锡汇虹机械制造有限公司 | Energy saving method of intermittent motion hydraulic machinery |
| CN103359594A (en) * | 2013-07-30 | 2013-10-23 | 西安煤矿机械有限公司 | Cage locking swing deck |
| CN103498826A (en) * | 2013-10-14 | 2014-01-08 | 安徽中捷矿山运输设备有限责任公司 | Pneumatic control system of monorail crane |
| CN105539413A (en) * | 2015-12-14 | 2016-05-04 | 中国煤炭科工集团太原研究院有限公司 | Closed loop brake system of crawler equipment for coal mine |
| CN106627545A (en) * | 2016-12-13 | 2017-05-10 | 中国煤炭科工集团太原研究院有限公司 | Energy-saving hydraulic brake system of anti-explosion electric rubber-tyred vehicle |
| CN106696934A (en) * | 2015-08-12 | 2017-05-24 | 中冶宝钢技术服务有限公司 | Hydraulic brake system of slag pot carrier |
| CN107351828A (en) * | 2017-05-16 | 2017-11-17 | 中国煤炭科工集团太原研究院有限公司 | A kind of mine vehicle hydraulic system with vehicle brake fade autoamtic protection device for forming |
| CN107600174A (en) * | 2017-10-18 | 2018-01-19 | 深圳市招科智控港口科技有限公司 | Unmanned tractor fluid-link steering and brakes |
| CN107642512A (en) * | 2017-10-19 | 2018-01-30 | 燕山大学 | A kind of electro-hydraulic intermittent swing mechanism of driving |
| CN108859779A (en) * | 2018-05-11 | 2018-11-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of alternating-current variable frequency power drives the electro-hydraulic coupling braking system of haulage vehicle and control method |
| CN109263622A (en) * | 2018-09-30 | 2019-01-25 | 广西柳工机械股份有限公司 | The full power hydraulic brake system and engineering machinery of combination valve and more braking approach |
| CN109312569A (en) * | 2016-04-11 | 2019-02-05 | 德国施维英有限公司 | Electro-hydraulic control circuit for large-scale executor |
| CN110997433A (en) * | 2017-08-01 | 2020-04-10 | 克诺尔轨道车辆系统有限公司 | Hydraulic brake system with electronic control unit and method for operating the same |
| CN111288029A (en) * | 2020-01-22 | 2020-06-16 | 武汉船用机械有限责任公司 | Brake hydraulic control system |
| CN113619552A (en) * | 2021-09-10 | 2021-11-09 | 一汽解放汽车有限公司 | Braking system and commercial car |
| CN113734123A (en) * | 2021-09-22 | 2021-12-03 | 一汽解放汽车有限公司 | Automatic driving hydraulic braking system |
| CN114013416A (en) * | 2021-12-06 | 2022-02-08 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car |
| CN115230771A (en) * | 2022-08-16 | 2022-10-25 | 西南交通大学 | Motor shaft temperature monitoring and control system of rail transit train |
-
2008
- 2008-07-11 CN CNU2008200139917U patent/CN201228676Y/en not_active Expired - Fee Related
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870362B (en) * | 2010-06-13 | 2013-04-10 | 江西洪都航空工业集团有限责任公司 | Automatic oiling type emergency hydraulic system of airplane |
| CN101870362A (en) * | 2010-06-13 | 2010-10-27 | 江西洪都航空工业集团有限责任公司 | Automatic oiling type emergency hydraulic system of airplane |
| 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 |
| CN102616707B (en) * | 2011-01-30 | 2014-10-29 | 长沙中联消防机械有限公司 | Work bucket leveling control device |
| CN102616707A (en) * | 2011-01-30 | 2012-08-01 | 长沙中联消防机械有限公司 | Work bucket leveling control device |
| WO2013023366A1 (en) * | 2011-08-16 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Brake valve assembly, hydraulic system having the same and concrete distributor |
| CN102425580B (en) * | 2011-08-16 | 2015-04-29 | 中联重科股份有限公司 | Braking valve bank, hydraulic system having same and concrete spreader |
| CN102425580A (en) * | 2011-08-16 | 2012-04-25 | 中联重科股份有限公司 | Braking valve bank, hydraulic system having same and concrete spreader |
| 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 |
| CN102966608A (en) * | 2012-11-16 | 2013-03-13 | 无锡汇虹机械制造有限公司 | Energy saving method of intermittent motion hydraulic machinery |
| CN103359594A (en) * | 2013-07-30 | 2013-10-23 | 西安煤矿机械有限公司 | Cage locking swing deck |
| CN103359594B (en) * | 2013-07-30 | 2016-01-20 | 西安煤矿机械有限公司 | A kind of lock tank cage chair |
| CN103498826B (en) * | 2013-10-14 | 2015-09-16 | 安徽中捷矿山运输设备有限责任公司 | Pneumatic control system of monorail crane |
| CN103498826A (en) * | 2013-10-14 | 2014-01-08 | 安徽中捷矿山运输设备有限责任公司 | Pneumatic control system of monorail crane |
| CN106696934A (en) * | 2015-08-12 | 2017-05-24 | 中冶宝钢技术服务有限公司 | Hydraulic brake system of slag pot carrier |
| CN105539413B (en) * | 2015-12-14 | 2019-05-14 | 中国煤炭科工集团太原研究院有限公司 | A kind of coal mine crawler equipment closed loop brake system |
| CN105539413A (en) * | 2015-12-14 | 2016-05-04 | 中国煤炭科工集团太原研究院有限公司 | Closed loop brake system of crawler equipment for coal mine |
| CN109312569A (en) * | 2016-04-11 | 2019-02-05 | 德国施维英有限公司 | Electro-hydraulic control circuit for large-scale executor |
| CN106627545A (en) * | 2016-12-13 | 2017-05-10 | 中国煤炭科工集团太原研究院有限公司 | Energy-saving hydraulic brake system of anti-explosion electric rubber-tyred vehicle |
| CN107351828A (en) * | 2017-05-16 | 2017-11-17 | 中国煤炭科工集团太原研究院有限公司 | A kind of mine vehicle hydraulic system with vehicle brake fade autoamtic protection device for forming |
| CN107351828B (en) * | 2017-05-16 | 2023-08-11 | 中国煤炭科工集团太原研究院有限公司 | Mining vehicle hydraulic system with automatic protection device for vehicle braking failure |
| CN110997433B (en) * | 2017-08-01 | 2022-09-23 | 克诺尔轨道车辆系统有限公司 | Hydraulic brake system with electronic control unit and method for operating the same |
| CN110997433A (en) * | 2017-08-01 | 2020-04-10 | 克诺尔轨道车辆系统有限公司 | Hydraulic brake system with electronic control unit and method for operating the same |
| CN107600174A (en) * | 2017-10-18 | 2018-01-19 | 深圳市招科智控港口科技有限公司 | Unmanned tractor fluid-link steering and brakes |
| CN107642512A (en) * | 2017-10-19 | 2018-01-30 | 燕山大学 | A kind of electro-hydraulic intermittent swing mechanism of driving |
| CN108859779A (en) * | 2018-05-11 | 2018-11-23 | 中国煤炭科工集团太原研究院有限公司 | A kind of alternating-current variable frequency power drives the electro-hydraulic coupling braking system of haulage vehicle and control method |
| CN109263622A (en) * | 2018-09-30 | 2019-01-25 | 广西柳工机械股份有限公司 | The full power hydraulic brake system and engineering machinery of combination valve and more braking approach |
| CN109263622B (en) * | 2018-09-30 | 2021-05-14 | 广西柳工机械股份有限公司 | Full hydraulic braking system with multiple braking paths and engineering machinery |
| CN111288029A (en) * | 2020-01-22 | 2020-06-16 | 武汉船用机械有限责任公司 | Brake hydraulic control system |
| CN111288029B (en) * | 2020-01-22 | 2022-10-04 | 武汉船用机械有限责任公司 | Brake hydraulic control system |
| CN113619552A (en) * | 2021-09-10 | 2021-11-09 | 一汽解放汽车有限公司 | Braking system and commercial car |
| CN113734123A (en) * | 2021-09-22 | 2021-12-03 | 一汽解放汽车有限公司 | Automatic driving hydraulic braking system |
| CN114013416A (en) * | 2021-12-06 | 2022-02-08 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car |
| CN114013416B (en) * | 2021-12-06 | 2022-07-01 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic combined brake control system for negative motor of bidirectional driving electric shovel car |
| CN115230771A (en) * | 2022-08-16 | 2022-10-25 | 西南交通大学 | Motor shaft temperature monitoring and control system of rail transit train |
| CN115230771B (en) * | 2022-08-16 | 2024-03-15 | 西南交通大学 | Motor shaft temperature monitoring and control system of rail transit train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20140711 |
|
| EXPY | Termination of patent right or utility model |