CN202024874U - Release device for wind tunnel test model - Google Patents
Release device for wind tunnel test model Download PDFInfo
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- CN202024874U CN202024874U CN2011201080861U CN201120108086U CN202024874U CN 202024874 U CN202024874 U CN 202024874U CN 2011201080861 U CN2011201080861 U CN 2011201080861U CN 201120108086 U CN201120108086 U CN 201120108086U CN 202024874 U CN202024874 U CN 202024874U
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- wind tunnel
- servobcylinder
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a release device for a wind tunnel test model, which consists of a high-speed servo cylinder and a hydraulic station, wherein the high-speed servo cylinder comprises a servo cylinder, a valve block sleeved on the servo cylinder and an energy accumulator; the hydraulic station comprises a motor and an oil tank; a control valve block with an overflow valve is arranged between the motor and the oil tank; and a gear pump and an oil absorbing and filtering device connected with the gear pump are arranged in the oil tank. The release device has the advantages that the release device for the wind tunnel test model adopts the high-speed servo cylinder; a displacement sensor is used for acquiring data and accurately controlling a proportional valve by PLC (Programmable Logic Controller) program to simulate the release process; and an overflow valve is arranged on the servo cylinder valve block for safely protecting the hydraulic system in the work process. The overflow valve is directly arranged on a cylinder body so as to obtain a small bulk-cavity effect and high natural frequency.
Description
Technical field
The utility model relates to a kind of aerodynamics model equipment, relates in particular to a kind of model in wind tunnel delivery device.
Background technology
Aerodynamics is to enliven, have most one of subject of development potentiality in the present World Science field the most.Each developed country of the world has all given great attention to aerodynamic development, and a huge sum of money that spares no expense is built the aerodynamic experiment facility and the work that conducts a research.
Wind tunnel experiment is an indispensable ingredient in the aircraft development work, it is fixed on the model or the material object of aircraft in the ground artificial environment according to the relativity principle of motion, artificially makes the air flow stream mistake, with this state of flight of simulating aerial various complexity, obtain test figure.This is development typing and productions " green channel " such as present generation aircraft, guided missile, rocket.It not only plays an important role in the research and development of aerospace engineering, along with the development of industrial aerodynamics, also obtains application more and more widely in departments such as communications and transportation, building construction, Wind Power Utilization and environmental protection.
The foundation of doing experiment with wind-tunnel is the relativity principle of motion.During experiment, often model or material object are fixed in the wind-tunnel, make gas stream cross model.This method, flox condition is controlled easily, can obtain experimental data repeatedly, economically.
Summary of the invention
The utility model is to provide a kind of model in wind tunnel delivery device in order to solve above-mentioned problems of the prior art.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is:
Model in wind tunnel delivery device of the present utility model is made up of high speed servoBcylinder and Hydraulic Station.The high speed servoBcylinder comprises servoBcylinder, is socketed in valve piece and accumulator on the servoBcylinder; The valve piece is provided with pressure measuring tie-in, proportional reversing valve and surplus valve; Accumulator is provided with gas filling valve, pressure transducer and displacement transducer; Hydraulic Station comprises motor and fuel tank, is provided with the operation valve piece of carry potential overflow valve between motor and the fuel tank, is provided with gear-type pump and the oil suction oil filter that is connected with gear-type pump in the fuel tank; The high speed servoBcylinder is connected with Hydraulic Station with T by the free flow coupling P on the valve piece.
Described servoBcylinder comprises interconnective cylinder head and cylinder barrel, and the piston interior with being arranged on accumulator of the piston rod in the cylinder barrel is connected; The valve piece is arranged on the cylinder head part, and accumulator is arranged on the cylinder bottom part.
Described accumulator comprises cylinder body and is arranged on the interior piston of cylinder body that the rear end of cylinder body is by gland packing; Be provided with oppositely do not slot plating cover and piston in combination sealing between piston and the inboard wall of cylinder block, piston rear end is provided with locating ring; Also be provided with free flow coupling, retaining valve on the cylinder body and be arranged on the outer hard envelope plug screw of retaining valve; Displacement transducer is surrounded by sensor wrap.
One sidewall of described fuel tank is provided with liquid level gauge, and the fuel tank top has been arranged side by side two-way hydraulic lock, solenoid directional control valve and one-way throttle valve.
Advantage and the good effect that the utlity model has are:
Model in wind tunnel delivery device of the present utility model adopts the high speed servoBcylinder; the displacement transducer image data; accurately control by PLC program Comparative Examples valve; the simulation launch process; has following advantage: first; on the servo cylinder valve piece surplus valve is housed, in the course of the work hydraulic system is carried out safeguard protection.The second, use low-friction coefficient, the nonmetallic materials of high-wearing feature are made the supporting guide ring, make metal and intermetallic friction pair the friction pair of metal and nonmetallic wear-resistant material into, so wearing quality is good, the life-span is long.The 3rd, surplus valve directly is contained on the cylinder body, and the cavity volume effect is little, the natural frequency height.The 4th, starting pressure is little, no low speed jerking motion and unsmooth phenomenon, and motion is flexibly.The 5th, adopt modular construction, compact conformation, good rigidly are convenient to maintenance, and working stability is reliable.The 6th, the high speed servoBcylinder is selected 42CrMo in order to guarantee the reliability requirement of wind tunnel test on material, guaranteed the reliability of servoBcylinder by material and process of thermal treatment.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the high speed servoBcylinder of the utility model model in wind tunnel delivery device;
Fig. 2 is the three-dimensional structure diagram of the Hydraulic Station of the utility model model in wind tunnel delivery device;
Fig. 3 be the utility model model in wind tunnel delivery device the high speed servoBcylinder partly cut open figure;
Fig. 4 is the vertical view of the high speed servoBcylinder of the utility model model in wind tunnel delivery device;
Fig. 5 is the hydraulic schematic diagram of the utility model model in wind tunnel delivery device high speed servoBcylinder;
Fig. 6 is the schematic diagram of the utility model model in wind tunnel delivery device Hydraulic Station.
Critical piece symbol description in the accompanying drawing:
1: earrings 2: pressure measuring tie-in
3: valve piece 4: proportional reversing valve
5: servoBcylinder 6: accumulator
7: gas filling valve 8: pressure transducer
9: displacement transducer 10: surplus valve
11: mounting flange 12: the operation valve piece
13: surplus valve 14: gear-type pump
15: oil suction oil filter 16: fuel tank
17: liquid level gauge 18: the two-way hydraulic lock
19: solenoid directional control valve 20: one-way throttle valve
21: motor 22: piston rod
23: dust ring 24: this special envelope
25: cylinder head 26: forward flange
27: cylinder barrel 28: rear flange
29: free flow coupling 30: seal plug screw firmly
31: retaining valve 32: cylinder body
33: the plating cover 34 of oppositely not slotting: piston in combination sealing
35: gland 38: sensor wrap
40: locating ring 41: piston
42: buffing pad 43: the inserted valve cover plate.
Embodiment
Followingly the utility model is described in detail with reference to drawings and Examples.Parts same as the prior art have used identical symbol in the utility model.
Model in wind tunnel delivery device of the present utility model is made up of high speed servoBcylinder and Hydraulic Station.
Fig. 1 is the three-dimensional structure diagram of the high speed servoBcylinder of the utility model model in wind tunnel delivery device; Fig. 3 be the utility model model in wind tunnel delivery device the high speed servoBcylinder partly cut open figure; Fig. 4 is the vertical view of the high speed servoBcylinder of the utility model model in wind tunnel delivery device.As Fig. 1, Fig. 3 and shown in Figure 4, the high speed servoBcylinder comprises servoBcylinder 5, is socketed in valve piece 3 and accumulator 6 on the servoBcylinder.ServoBcylinder 5 comprises interconnective cylinder head 25 and cylinder barrel 27, and the piston 41 interior with being arranged on accumulator of the piston rod 22 in the cylinder barrel is connected.Valve piece 3 is arranged on the cylinder head part, and accumulator 6 is arranged on the cylinder bottom part.
Piston rod 22 front ends are connected with earrings 1, and the front end of piston rod and cylinder head 25 junctions is provided with dust ring 23, and are provided with this special envelope 24 at the dust ring rear side.Cylinder head 25 rears are provided with the fixedly forward flange 26 of cylinder head.Valve piece 3 is provided with pressure measuring tie-in 2 and proportional reversing valve 4.Valve piece 3 one sides are provided with inserted valve cover plate 43, and a side relative with inserted valve cover plate 43 is provided with surplus valve 10, free flow coupling P and T.The high speed servoBcylinder is connected with Hydraulic Station with T by the free flow coupling P on the valve piece 3.
Accumulator 6 comprises cylinder body 32 and is arranged on the interior piston 41 of cylinder body that the rear end of cylinder body 32 is by gland 35 sealings.Cylinder body 32 rear ends are provided with gas filling valve 7, pressure transducer 8 and displacement transducer 9, and displacement transducer 9 is protected by being enclosed in displacement transducer 9 outer sensor wrap 38.Be provided with oppositely do not slot plating cover 33 and piston in combination sealing 34 between piston 41 and cylinder body 32 inwalls, piston 41 rear ends are provided with locating ring 40.Also be provided with free flow coupling 29, retaining valve 31 on the cylinder body 32 and be arranged on the outer hard envelope plug screw 30 of retaining valve, a side relative with retaining valve 31 is provided with buffing pad 42.
Fig. 2 is the three-dimensional structure diagram of the Hydraulic Station of the utility model model in wind tunnel delivery device; Hydraulic Station comprises motor 21 and fuel tank 16, is provided with the operation valve piece 12 of carry potential overflow valve 13 between motor 21 and the fuel tank 16, is provided with gear-type pump 14 and the oil suction oil filter 15 that is connected with gear-type pump 14 in the fuel tank.One sidewall of fuel tank 16 is provided with liquid level gauge 17, and fuel tank 16 tops have been arranged side by side two-way hydraulic lock 18, solenoid directional control valve 19 and one-way throttle valve 20.
Fig. 5 is the hydraulic schematic diagram of the utility model model in wind tunnel delivery device high speed servoBcylinder; Fig. 6 is the schematic diagram of the utility model model in wind tunnel delivery device Hydraulic Station.The principle of work of model in wind tunnel delivery device of the present utility model is as follows: charge into nitrogen by 7 pairs of accumulators 6 of gas filling valve earlier, P, the T mouth of valve piece 3 are connected with Hydraulic Station, 4 commutations of control ratio reversal valve, oil-feed in the chamber of cylinder barrel inner piston rod one side, pressure oil in the relative piston opposite side chamber is pressed into accumulator, and carry out accumulation of energy by 29 pairs of accumulators of free flow coupling, experimental provision is mentioned; 4 commutations of control ratio reversal valve, servoBcylinder 5 stretches out fast, and experimental provision is dropped into the wind tunnel test field.
Claims (4)
1. model in wind tunnel delivery device, it is characterized in that: this model in wind tunnel delivery device is made up of high speed servoBcylinder and Hydraulic Station; The high speed servoBcylinder comprises servoBcylinder (5), is socketed in valve piece (3) and accumulator (6) on the servoBcylinder; Valve piece (3) is provided with pressure measuring tie-in (2), proportional reversing valve (4) and surplus valve (10); Accumulator (6) is provided with gas filling valve (7), pressure transducer (8) and displacement transducer (9); Hydraulic Station comprises motor (21) and fuel tank (16), is provided with the operation valve piece (12) of carry potential overflow valve (13) between motor and the fuel tank, is provided with gear-type pump (14) and the oil suction oil filter (15) that is connected with gear-type pump in the fuel tank; The high speed servoBcylinder is connected with Hydraulic Station with T by the free flow coupling P on the valve piece (3).
2. model in wind tunnel delivery device according to claim 1, it is characterized in that: servoBcylinder (5) comprises interconnective cylinder head (25) and cylinder barrel (27), and the piston (41) interior with being arranged on accumulator (6) of the piston rod (22) in the cylinder barrel (27) is connected; Valve piece (3) is arranged on the cylinder head part, and accumulator (6) is arranged on the cylinder bottom part.
3. model in wind tunnel delivery device according to claim 1 is characterized in that: accumulator (6) comprises cylinder body (32) and is arranged on the interior piston (41) of cylinder body that the rear end of cylinder body is sealed by gland (35); Be provided with oppositely do not slot plating cover (33) and piston in combination sealing (34) between piston and the inboard wall of cylinder block, piston rear end is provided with locating ring (40); Also be provided with free flow coupling (29), retaining valve (31) on the cylinder body (32) and be arranged on the outer hard envelope plug screw (30) of retaining valve; Displacement transducer (9) is surrounded by sensor wrap (38).
4. model in wind tunnel delivery device according to claim 1, it is characterized in that: a sidewall of fuel tank (16) is provided with liquid level gauge (17), and the fuel tank top has been arranged side by side two-way hydraulic lock (18), solenoid directional control valve (19) and one-way throttle valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201080861U CN202024874U (en) | 2011-04-14 | 2011-04-14 | Release device for wind tunnel test model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201080861U CN202024874U (en) | 2011-04-14 | 2011-04-14 | Release device for wind tunnel test model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024874U true CN202024874U (en) | 2011-11-02 |
Family
ID=44849818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201080861U Expired - Lifetime CN202024874U (en) | 2011-04-14 | 2011-04-14 | Release device for wind tunnel test model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024874U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307059A (en) * | 2013-06-03 | 2013-09-18 | 天津优瑞纳斯液压机械有限公司 | Hydraulic actuator |
| CN105021368A (en) * | 2015-07-17 | 2015-11-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | Wind tunnel small model rapid delivery device |
| CN105571817A (en) * | 2015-12-15 | 2016-05-11 | 北京航天益森风洞工程技术有限公司 | Hypersonic wind tunnel three-degree-of-freedom model inputting device |
| CN105971947A (en) * | 2016-07-18 | 2016-09-28 | 天津优瑞纳斯液压机械有限公司 | Hydraulic station structure for wind tunnel simulation experiments |
| CN110398341A (en) * | 2019-06-28 | 2019-11-01 | 中国航天空气动力技术研究院 | Centrifugal gravity compensation device and method are launched in a kind of separation |
-
2011
- 2011-04-14 CN CN2011201080861U patent/CN202024874U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307059A (en) * | 2013-06-03 | 2013-09-18 | 天津优瑞纳斯液压机械有限公司 | Hydraulic actuator |
| CN103307059B (en) * | 2013-06-03 | 2016-07-13 | 天津优瑞纳斯液压机械有限公司 | Hydraulic actuator |
| CN105021368A (en) * | 2015-07-17 | 2015-11-04 | 中国空气动力研究与发展中心超高速空气动力研究所 | Wind tunnel small model rapid delivery device |
| CN105021368B (en) * | 2015-07-17 | 2017-09-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of quick delivery device of wind-tunnel mini Mod |
| CN105571817A (en) * | 2015-12-15 | 2016-05-11 | 北京航天益森风洞工程技术有限公司 | Hypersonic wind tunnel three-degree-of-freedom model inputting device |
| CN105571817B (en) * | 2015-12-15 | 2018-07-27 | 北京航天益森风洞工程技术有限公司 | Hypersonic wind tunnel Three Degree Of Freedom model delivery device |
| CN105971947A (en) * | 2016-07-18 | 2016-09-28 | 天津优瑞纳斯液压机械有限公司 | Hydraulic station structure for wind tunnel simulation experiments |
| CN105971947B (en) * | 2016-07-18 | 2018-03-16 | 天津优瑞纳斯液压机械有限公司 | A kind of wind tunnel simulation experiment hydraulic station structure |
| CN110398341A (en) * | 2019-06-28 | 2019-11-01 | 中国航天空气动力技术研究院 | Centrifugal gravity compensation device and method are launched in a kind of separation |
| CN110398341B (en) * | 2019-06-28 | 2021-04-13 | 中国航天空气动力技术研究院 | Separation feeding centrifugal gravity compensation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |