CN105644779A - Pressure accumulator assembly for helicopter rotor wing brake - Google Patents
Pressure accumulator assembly for helicopter rotor wing brake Download PDFInfo
- Publication number
- CN105644779A CN105644779A CN201410667873.8A CN201410667873A CN105644779A CN 105644779 A CN105644779 A CN 105644779A CN 201410667873 A CN201410667873 A CN 201410667873A CN 105644779 A CN105644779 A CN 105644779A
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- brake
- valve
- rotor
- voltage supply
- rotor wing
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Abstract
The invention relates to design of a hydraulic system of a helicopter rotor wing brake, relates to a brake combination valve for the helicopter rotor wing brake, and is an important component of a rotor wing brake. A pressure accumulator assembly for the helicopter rotor wing brake comprises an inflating pressure gauge (1), a brake pressure accumulator (2), a first one-way valve (3), a second one-way valve (4), a brake pressure annunciator (5), a rotor wing brake valve (6), a rotor wing brake safety valve (7), a rotor wing brake pressure feeding interface (8), a machine wheel brake pressure feeding interface (9), an inflating connector (10), an assisting electric pump pressure feeding interface (11), and a hand pump pressure feeding interface (12). A combination valve module for the rotor wing brake can meet the performance requirements for the rotor wing brake, the combination valve module is used as an accessory of the hydraulic system of a helicopter, under the premise that the combination valve module is high in integration level and low in size, the rapidity of the rotor wing brake can be achieved, and the requirements of the rotor wing brake can be met.
Description
Technical field:
The present invention relates to the design of lifting airscrew brake hydraulic system, relate to a kind of brake combination valve for lifting airscrew brake,It is the important component part of rotor brake.
Background technology:
The function of rotor brake accumulator package device is: be 1, helicopter brake system storage liquid pressure energy; 2, controlling rotor stopsCar oil circuit break-make, controls that rotor moving is stopped, quiet stop and pine is stopped; 3, transmit brake hydraulic system pressure signal and rotor brake safety valveThe integrated level and the capability of fast response that in the time of brake position, provide alarm signal, its design difficulty to be device, this device directlyCan affect rotor and complete brake and braking quality, the existing rotor brake valve for helicopter exists integrated level not high, volumeHuge deficiency.
Summary of the invention:
The invention provides a kind of accumulator package for lifting airscrew brake, for helicopter is carried out wheel braking and revolvedWing brake provides the energy.
As shown in Figure 1. The technical scheme that the present invention takes is: a kind of accumulator package for lifting airscrew brake, bagDrawing together inflation gauge 1, brake accumulator 2, the first check valve 3, the second check valve 4, brake pressure signalling means 5, rotor stopsCar valve 6, rotor brake safety valve 7, rotor brake voltage supply interface 8, wheel braking voltage supply interface 9, gas-charging connection 10, auxiliaryElectrodynamic pump voltage supply interface 11, hand pump voltage supply interface 12.
Brake accumulator 2 is piston accumulator, is divided into independently gas, liquid two chambeies by piston, and gas-charging connection 10 holds with brakeDepressor 2 air cavitys connect, and inflation gauge 1 is connected between the two, and brake accumulator 2 sap cavities connect the second check valve 4, stopCar pressure signal device 5, rotor brake valve 6 and wheel braking voltage supply interface 9, rotor brake safety valve 7 and rotor brake valve 6Connect, rotor brake voltage supply interface 8 is connected with rotor brake safety valve 7, the second check valve 4 and the first check valve 3 and auxiliaryElectrodynamic pump voltage supply interface 11 connects, and the first check valve 3 connects hand pump voltage supply interface 12.
Technique effect
Can meet a performance requirement for rotor brake for the combination valve module of rotor brake, attached as helicopter hydraulic systemPart, high in integrated level, under the little prerequisite of volume, can reach rapidity and the requirement of rotor brake.
Brief description of the drawings:
Fig. 1 product function block diagram;
Fig. 2 product structure layout;
Fig. 3 product structure layout;
The definition of Fig. 4 brake pressure signalling means electric connector stitch.
Wherein, 1 inflation gauge, 2 brake accumulators, 3 first check valves, 4, the second check valve, 5 brake pressure signalling means,6 rotor brake valves, 7 rotor brake safety valves, 8 rotor brake voltage supply interfaces, 9 wheel braking voltage supply interfaces, 10 gas-charging connections,11 auxiliary electrodynamic pump voltage supply interfaces, 12 hand pump voltage supply interfaces, 13 rotor brake handles, 14 rotor brake safety valves are handled handHandle, 15 microswitches, 16 housings.
Detailed description of the invention:
Below in conjunction with Figure of description, the present invention is described in further detail.
Brake accumulator 2 adopts board-like connected mode to be bolted on housing 16 with 4 as shown in Figure 2, and its structure is pistonFormula accumulator, is divided into independently gas, liquid two chambeies by piston, the have an appointment industrial nitrogen of 8MPa of air cavity preliminary filling, gas-charging connection10 logical thread connecting modes are fixed on inflation gauge 1, and inflation gauge 1 is threaded connection mode and is fixed on brake pressure accumulationOn device 2 and with brake accumulator 2 air cavitys, be connected, wheel braking voltage supply interface 9 is threaded connection and is fixed on brake accumulatorOn 2, brake pressure signalling means 5 is threaded connection mode and is screwed on housing 16, rotor brake safety valve 7 and rotor brake valve6 adopt one mode to design, and drive cam mechanism by rotor brake safe manoeuvring handle 14, realize product two-bit triplet function,Microswitch 15 is fixed on tactile handle in 7 rotating shafts of rotor brake safety valve and is pressed, with rotor brake safe manoeuvring handle 14 respectivelyIn brake and the position that gets off the brakes, switch on and off the operating circuit of rotor brake indicator lamp on helicopter.
Defeated by the second check valve 3 from auxiliary electrodynamic pump voltage supply interface 11 from helicopter hydraulic system auxiliary pump 21MPa hydraulic power sourceEnter to brake combination valve, pass through the first check valve 3, the second list from the 21MP hydraulic power source of hand pump from hand voltage supply interface 12To the straight brake of valve 4 input combination valve, hydraulic pressure one tunnel of input inputs to brake accumulator 2 through brake combination valve housing 16 assembliesSap cavity storing solution pressure energy, the hydraulic pressure overflowing wheel braking voltage supply interface 9 on sap cavity is exported to the conduct of Helicopter wheel brake systemThe hydraulic power source of its input brake pressure; The second road hydraulic pressure inputs to brake pressure signalling means 5 through brake combination valve housing 16 assemblies,Brake pressure signalling means 5 is electronic product, and the hydraulic pressure signal of input is converted to corresponding voltage (electric connector: D pin)And switching signal (electric connector: E pin) output, voltage signal, for being connected with helicopter synthesis display platform, shows real in real timeBorder force value, switching signal is for controlling the opening, stop (when input pressure is lower than the control of (10 ± 0.5) MPa of hydraulic system auxiliary pumpWhen system point, connect auxiliary pump by product electric connector E pin output 28VDC operating voltage and work, give the source voltage supply of product input hydraulic pressure;When input pressure is during higher than (10 ± 0.5) MPa, product electric connector E pin disconnects auxiliary pump working power, stops voltage supply); TheThree road hydraulic pressure input to rotor brake valve 6 through brake combination valve housing 16 assemblies, and by rotating rotor brake handle 13, rotor is stoppedCar valve 6 by 21MPa hydraulic pressure be decompressed to the rotor brake pressure that is directly proportional to steering force (specified quiet brake pressure is (8 ± 0.7) MPa,The pressure that gets off the brakes is (3 ± 0.4) MPa), through rotor brake safety valve 7 and be subject to its rotor brake safety valve control crank 14 brake,The control that gets off the brakes, output brake pressure carries out rotor brake or gets off the brakes to rotor brake device; Microswitch 11 is fixed on to be revolvedIn the rotating shaft of wing braking safe valve, touch handle and press,, switch on and off and go straight up to respectively in brake and the position that gets off the brakes with its control crankThe operating circuit of rotor brake pressure indicator light on machine.
Claims (2)
1. for an accumulator package for lifting airscrew brake, it is characterized in that, comprise inflation gauge (1), brake pressure accumulationDevice (2), the first check valve (3), the second check valve (4), brake pressure signalling means (5), rotor brake valve (6), rotorBraking safe valve (7), rotor brake voltage supply interface (8), wheel braking voltage supply interface (9), gas-charging connection (10), auxiliary electricalMoving pump voltage supply interface (11), hand pump voltage supply interface (12), wherein, brake accumulator (2) is piston accumulator, is livedPlug is divided into independently gas, liquid two chambeies, and gas-charging connection (10) is connected with brake accumulator (2) air cavity, inflation gauge (1)Be connected between the two, brake accumulator (2) sap cavity connects the second check valve (4), brake pressure signalling means (5), rotor and stopsCar valve (6) and wheel braking voltage supply interface (9), rotor brake safety valve (7) is connected with rotor brake valve (6), rotorBrake voltage supply interface (8) is connected with rotor brake safety valve (7), the second check valve (4) and the first check valve (3) and auxiliaryHelp electrodynamic pump voltage supply interface (11) to connect, the first check valve (3) connects hand pump voltage supply interface (12).
2. a kind of accumulator package for lifting airscrew brake as claimed in claim 1, is characterized in that described fine motionSwitch (15) is fixed on tactile handle in rotor brake safety valve (7) rotating shaft and is pressed, with rotor brake safe manoeuvring handle (14)In brake and the position that gets off the brakes, switch on and off the operating circuit of rotor brake indicator lamp on helicopter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667873.8A CN105644779B (en) | 2014-11-20 | 2014-11-20 | A kind of accumulator package for lifting airscrew brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667873.8A CN105644779B (en) | 2014-11-20 | 2014-11-20 | A kind of accumulator package for lifting airscrew brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105644779A true CN105644779A (en) | 2016-06-08 |
| CN105644779B CN105644779B (en) | 2018-06-26 |
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ID=56479257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410667873.8A Active CN105644779B (en) | 2014-11-20 | 2014-11-20 | A kind of accumulator package for lifting airscrew brake |
Country Status (1)
| Country | Link |
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| CN (1) | CN105644779B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082533A (en) * | 2017-12-03 | 2018-05-29 | 中国直升机设计研究所 | A kind of helicopter integrated ground test platform rotor brake method and device |
| 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 |
| CN108916131A (en) * | 2018-06-28 | 2018-11-30 | 中国直升机设计研究所 | A kind of folding accumulator system |
| CN110588961A (en) * | 2019-08-30 | 2019-12-20 | 贵州新安航空机械有限责任公司 | Rotor brake force transmission pressing structure |
| CN112173088A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Combined pressure accumulator with flow rate control function and hydraulic brake system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193464B1 (en) * | 1998-12-02 | 2001-02-27 | Mcdonnell Douglas Helicopter Company, | Active brake control for rotor/wing aircraft |
| WO2007147650A1 (en) * | 2006-06-22 | 2007-12-27 | Continental Automotive Gmbh | Controlled rotor brake |
| CN201102542Y (en) * | 2007-08-28 | 2008-08-20 | 张柏青 | Brake valve with energy storage means |
| CN203009640U (en) * | 2012-12-28 | 2013-06-19 | 天津曙光敬业科技有限公司 | Air braking device for unpiloted rotor wing helicopter |
| CN103791002A (en) * | 2014-03-03 | 2014-05-14 | 天津曙光敬业科技有限公司 | Brake device of unmanned aerial vehicle rotor wing |
-
2014
- 2014-11-20 CN CN201410667873.8A patent/CN105644779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193464B1 (en) * | 1998-12-02 | 2001-02-27 | Mcdonnell Douglas Helicopter Company, | Active brake control for rotor/wing aircraft |
| WO2007147650A1 (en) * | 2006-06-22 | 2007-12-27 | Continental Automotive Gmbh | Controlled rotor brake |
| CN201102542Y (en) * | 2007-08-28 | 2008-08-20 | 张柏青 | Brake valve with energy storage means |
| CN203009640U (en) * | 2012-12-28 | 2013-06-19 | 天津曙光敬业科技有限公司 | Air braking device for unpiloted rotor wing helicopter |
| CN103791002A (en) * | 2014-03-03 | 2014-05-14 | 天津曙光敬业科技有限公司 | Brake device of unmanned aerial vehicle rotor wing |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082533A (en) * | 2017-12-03 | 2018-05-29 | 中国直升机设计研究所 | A kind of helicopter integrated ground test platform rotor brake method and device |
| CN108082533B (en) * | 2017-12-03 | 2021-02-26 | 中国直升机设计研究所 | Helicopter ground combined test bed rotor wing braking method and device |
| 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 |
| CN108916131A (en) * | 2018-06-28 | 2018-11-30 | 中国直升机设计研究所 | A kind of folding accumulator system |
| CN108916131B (en) * | 2018-06-28 | 2020-06-09 | 中国直升机设计研究所 | Folding accumulator system |
| CN110588961A (en) * | 2019-08-30 | 2019-12-20 | 贵州新安航空机械有限责任公司 | Rotor brake force transmission pressing structure |
| CN112173088A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Combined pressure accumulator with flow rate control function and hydraulic brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105644779B (en) | 2018-06-26 |
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