CN101181896A - Electric hydraulic brake device of aircraft tractor - Google Patents
Electric hydraulic brake device of aircraft tractor Download PDFInfo
- Publication number
- CN101181896A CN101181896A CNA2007101152586A CN200710115258A CN101181896A CN 101181896 A CN101181896 A CN 101181896A CN A2007101152586 A CNA2007101152586 A CN A2007101152586A CN 200710115258 A CN200710115258 A CN 200710115258A CN 101181896 A CN101181896 A CN 101181896A
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- brake
- hydraulic
- electric
- hydraulic brake
- valve actuator
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Abstract
The invention discloses an aircraft traction vehicle electric and hydraulic brake device, belonging to the airport ground equipment field. The invention is provided with a brake and a brake electronic pedal. The invention is characterized in that the hydraulic pump outlet is respectively connected with the accumulator pipelines through dual accumulator liquid filling valves; the accumulators are respectively connected with the brake pipelines through an electric-hydraulic brake valve; the brake electric pedal is electrically connected with the brake valve driver which is electrically connected with the electric-hydraulic brake valve. The aircraft traction vehicle electric and hydraulic brake device adopts the control type that combines the electric control and the hydraulic transmission control and has the advantages of reasonable structure, convenient operation, being suitable for the dual-way brake of the large aircraft traction vehicle driving.
Description
Technical field
The present invention relates to aviation surface facility field, say it is a kind of aircraft towing electricity, hydraulic brake device that is used for the aircraft towing service brake in detail.
Background technology
As everyone knows, aircraft towing is a kind of by traction, pushing tow or the alternate manner second-mission aircraft airport ground facilities to the hardstand assigned address.Because the quality of aircraft is bigger, causes mobile inertia bigger,, require aircraft towing to have good deceleration and stopping performance for guaranteeing the accuracy of aircraft stop position.
The all-hydraulic brake equipment of the general employing of the brake mode of conventional airplane tractor truck, be provided with brake pedal valve, prefill valve, energy storage etc., all connect by hydraulic tubing, Hydraulic Pump by prefill valve to the energy storage topping up, energy storage provides metastable hydraulic oil source for car brakeing, be connected to brake pedal valve in the operator's compartment by pipeline, and then be connected to drg by pipeline, realize braking function by brake activation valve.
Because all-hydraulic brake equipment all connects by hydraulic tubing and realizes, therefore the location arrangements of brake pedal valve is restricted, the hydraulic tubing complexity, it is big to take up room, a large amount of flexible pipes connects and is connected with adaptor union, the fault rate that causes the hydraulic leak reason to produce is higher, and the fault judgement of system and repair and maintenance are also inconvenient, and the glancing impact brake activation valve produces noise in operator's compartment.
Because existing all actions to be connected by hydraulic tubing, realizes existing all-hydraulic brake equipment, therefore the location arrangements of brake pedal valve is restricted, the hydraulic tubing complexity, it is big to take up room, connect by flexible pipe, the adaptor union connection causes the fault rate of hydraulic leak higher, the fault judgement of system and repair and maintenance are also inconvenient, the glancing impact brake activation valve produces the deficiency of noise in operator's compartment, there is significant limitation during use, can not satisfy aircraft towing brake equipment brake activation valve flexible arrangement, hydraulic tubing is simple, and it is little to take up room, connect by flexible pipe, the adaptor union connection causes the fault rate of hydraulic leak low, the requirement easily of the fault judgement of system and repair and maintenance.
Summary of the invention
Exist all to connect and realize in order to overcome existing all-hydraulic brake equipment by hydraulic tubing, therefore the location arrangements of brake pedal valve is restricted, the hydraulic tubing complexity, it is big to take up room, flexible pipe connects, the adaptor union connection causes the fault rate of hydraulic leak higher, the fault judgement of system and repair and maintenance are also inconvenient, the glancing impact brake activation valve produces the deficiency of noise in operator's compartment, the object of the present invention is to provide a kind of aircraft towing that is used for the aircraft towing service brake, hydraulic brake device, with the electric and effective combination of hydraulic pressure advantage separately, brake activation valve is away from operator's compartment, simplified piping layout greatly, increase the alerting ability that Hydraulic Elements are arranged, reduced the noise emission in the operator's compartment.
The technical scheme that technical solution problem of the present invention is adopted is: a kind of aircraft towing electricity, hydraulic brake device, be provided with drg and braking electronic pedal, it is characterized in that: the Hydraulic Pump outlet is connected with the energy storage pipeline respectively through the two-way accumulator charging valve, energy storage is connected with brake piping through the electro-hydraulic brake valve respectively, the braking electronic pedal is connected with the brake activation valve actuator is electric, and brake activation valve actuator and electro-hydraulic brake valve are electrically connected.
The braking electronic pedal is connected with the brake activation valve actuator is electric respectively.Two-way braking electronic pedal is in parallel with the brake activation valve actuator.Storage battery inserts through the brake activation valve actuator.
This practical new beneficial effect is: because with the electric and effective combination of hydraulic pressure advantage separately, brake activation valve is away from operator's compartment, simplified piping layout greatly, increase the alerting ability that Hydraulic Elements are arranged, reduced the noise emission in the operator's compartment, satisfied aircraft towing brake equipment brake activation valve flexible arrangement, hydraulic tubing is simple, it is little to take up room, and is connected to cause the fault rate of hydraulic leak low the requirement easily of the fault judgement of system and repair and maintenance by flexible pipe connection, adaptor union.
The present invention can be used for the aircraft towing service brake, also can be used for construction machinery and equipment service brakes such as loader.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a principle schematic of the present invention.
Among the figure, 1. brake electronic pedal, 2. storage battery, 3. brake activation valve actuator, 4. electro-hydraulic brake valve, 5. drg, 6. by pass valve, 7. Hydraulic Pump, 8. two-way accumulator charging valve, 9. energy storage.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, aircraft towing electricity of the present invention, hydraulic brake device are described further, to help to understand content of the present invention.
As shown in Figure 1; aircraft towing; hydraulic brake device is provided with drg 5 and braking electronic pedal 1; Hydraulic Pump 7 outlets are connected with energy storage 9 pipelines respectively through two-way accumulator charging valve 8; by pass valve 6 protection hydraulic efficiency pressure systems; energy storage 9 is connected with drg 5 pipelines through electro-hydraulic brake valve 4 respectively; braking electronic pedal 1 is electrically connected with brake activation valve actuator 3; brake activation valve actuator 3 is electrically connected with electro-hydraulic brake valve 4; braking electronic pedal 1 is electrically connected with brake activation valve actuator 3 respectively; two-way braking electronic pedal 1 is in parallel with brake activation valve actuator 3, and storage battery 2 inserts through brake activation valve actuator 3.
Hydraulic Pump 7 provides hydraulic oil source for system; 6 pairs of Hydraulic Pumps of by pass valve shield; the flow of Hydraulic Pump directly enters the pressure hydraulic fluid port of two-way accumulator charging valve 8; the oil inlet that two topping up hydraulic fluid ports of two-way accumulator charging valve 8 connect 9, two groups of energy storages 9 of two groups of energy storages respectively also connects with the pressure hydraulic fluid port pipeline of two electro-hydraulic brake valves 4 respectively.The braking hydraulic fluid port pipeline of electro-hydraulic brake valve 4 is connected to the oil inlet of drg 5, its return opening and fuel tank direct connection.The positive pole of storage battery 2 is with brake activation valve actuator 3-I, power input+BAT of 3-II is electrically connected mutually, braking electronic pedal 1 has two-way output, each road output all comprises FPDP, power port and ground wire port three parts, can realize the two-way braking of vehicle front and back vehicle bridge, the FPDP a of braking electronic pedal 1-I links the FPDP VIN A of brake activation valve actuator 3-I, the power port a of braking electronic pedal 1-I is connected to brake activation valve actuator 3-I high level output port+VREF, the grounding ports a of braking electronic pedal 1-I is connected to low level port-VREF of brake activation valve actuator 3-I, the FPDP b of braking electronic pedal 1-I links the FPDP VIN B of brake activation valve actuator 3-II, the power port b of braking electronic pedal 1-I is connected to brake activation valve actuator 3-II high level output port+VREF, the grounding ports b of braking electronic pedal 1-I is connected to low level port-VREF of brake activation valve actuator 3-II, the FPDP a of braking electronic pedal 1-II links the FPDP VIN B of brake activation valve actuator 3-I, the power port a of braking electronic pedal 1-II is connected to brake activation valve actuator 3-I high level output port+VREF, the grounding ports a of braking electronic pedal 1-II is connected to low level port-VREF of brake activation valve actuator 3-I, the FPDP b of braking electronic pedal 1-II links the FPDP VIN A of brake activation valve actuator 3-II, the power port b of braking electronic pedal 1-II is connected to brake activation valve actuator 3-II high level output port+VREF, the grounding ports b of braking electronic pedal 1-II is connected to low level port-VREF of brake activation valve actuator 3-II, brake activation valve actuator 3-I, driving port COUT A and the COUT A+ of 3-II are connected respectively to electro-hydraulic brake valve 4-I, the two ends of 4-II coil, brake activation valve actuator 3-I, the grounding ports of 3-II-BAT ground connection.Connect by electric wiring between braking electronic pedal 1, storage battery 2, brake activation valve actuator 3, the electro-hydraulic brake valve 4; Owing to adopted the two-way output in parallel of two brake activation valve actuators 3 and two electro-hydraulic brake valves 4 and braking electronic pedal 1, realized the mode that is electrically connected of vehicle bridge two-way braking before and after the vehicle; Because each brake activation valve actuator 3 has two data input ends, realized the braking respectively of non-interfering two braking electronic pedals 1, be applicable to the control mode of operator's compartment before and after being provided with independently.
This system is owing to adopt electric wiring to be connected between braking electronic pedal, brake activation valve actuator and electro-hydraulic brake valve, changed hydraulic circuit greatly, cost-cutting, each components and parts can be arranged into more rational position and needn't consider the layout of hydraulic tubing according to the design needs, brake equipment makes system safer, reliable owing to adopt two-way to export the drg of braking respectively on the vehicle bridge of front and back.
Claims (4)
1. an aircraft towing electricity, hydraulic brake device, be provided with drg and braking electronic pedal, it is characterized in that: the Hydraulic Pump outlet is connected with the energy storage pipeline respectively through the two-way accumulator charging valve, energy storage is connected with brake piping through the electro-hydraulic brake valve respectively, the braking electronic pedal is connected with the brake activation valve actuator is electric, and brake activation valve actuator and electro-hydraulic brake valve are electrically connected.
2. aircraft towing electricity according to claim 1, hydraulic brake device is characterized in that said braking electronic pedal is connected with the brake activation valve actuator is electric respectively.
3. aircraft towing electricity according to claim 1, hydraulic brake device is characterized in that said two-way braking electronic pedal is in parallel with the brake activation valve actuator.
4. aircraft towing electricity according to claim 1, hydraulic brake device is characterized in that said brake activation valve actuator inserts storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101152586A CN101181896A (en) | 2007-12-05 | 2007-12-05 | Electric hydraulic brake device of aircraft tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101152586A CN101181896A (en) | 2007-12-05 | 2007-12-05 | Electric hydraulic brake device of aircraft tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101181896A true CN101181896A (en) | 2008-05-21 |
Family
ID=39447358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101152586A Pending CN101181896A (en) | 2007-12-05 | 2007-12-05 | Electric hydraulic brake device of aircraft tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101181896A (en) |
Cited By (4)
| 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 |
| CN102616132A (en) * | 2011-01-27 | 2012-08-01 | 天津市友达机电液成套设备有限公司 | Hydraulic traveling differential mechanism of snow blower |
| CN108284947A (en) * | 2017-12-13 | 2018-07-17 | 中国航空工业集团公司成都飞机设计研究所 | A kind of airplane brake system based on pressure accumulation energy storage |
| CN109703540A (en) * | 2018-12-29 | 2019-05-03 | 山东吉利达智能装备集团有限公司 | The electro-hydraulic and remote controlled braking system of off highway vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923253A (en) * | 1987-09-28 | 1990-05-08 | Krauss Maffei Ag | Braking system for aircraft towing vehicle |
-
2007
- 2007-12-05 CN CNA2007101152586A patent/CN101181896A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923253A (en) * | 1987-09-28 | 1990-05-08 | Krauss Maffei Ag | Braking system for aircraft towing vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 石景林: "MICO全动力液压制动***", 《工程机械》 * |
Cited By (5)
| 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 |
| CN102616132A (en) * | 2011-01-27 | 2012-08-01 | 天津市友达机电液成套设备有限公司 | Hydraulic traveling differential mechanism of snow blower |
| CN102616132B (en) * | 2011-01-27 | 2015-04-29 | 天津程普工程机械有限公司 | Hydraulic traveling differential mechanism of snow blower |
| CN108284947A (en) * | 2017-12-13 | 2018-07-17 | 中国航空工业集团公司成都飞机设计研究所 | A kind of airplane brake system based on pressure accumulation energy storage |
| CN109703540A (en) * | 2018-12-29 | 2019-05-03 | 山东吉利达智能装备集团有限公司 | The electro-hydraulic and remote controlled braking system of off highway vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080521 |