CN106918435B - Integrated impact cylinder device - Google Patents
Integrated impact cylinder device Download PDFInfo
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- CN106918435B CN106918435B CN201710263739.5A CN201710263739A CN106918435B CN 106918435 B CN106918435 B CN 106918435B CN 201710263739 A CN201710263739 A CN 201710263739A CN 106918435 B CN106918435 B CN 106918435B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The invention discloses an integrated impact cylinder device which comprises a cylinder main body, wherein a main cylinder cavity and an energy storage cavity are arranged in the cylinder main body, a main cylinder piston is arranged in the main cylinder cavity, the energy storage cavity is communicated with the main cylinder cavity on the back of the main cylinder piston, and a blocking mechanism capable of blocking the main cylinder piston to move is arranged on the cylinder main body. The invention integrates the functions realized by the main cylinder, the energy storage tank and the auxiliary cylinder in the existing structure on the cylinder main body, and the spatial positions of the main cylinder cavity and the energy storage cavity are reasonably arranged in the cylinder main body, thereby being beneficial to reducing the blockage degree of the device in the wind tunnel, greatly reducing the space occupied by the cylinder device in the wind tunnel, simultaneously reducing the pneumatic interference of the device, and being capable of leading the piston to have higher gas pressure when the piston starts to move through the matching of the blocking mechanism and the energy storage cavity, leading the single output work of the piston to be linear with the gas pressure and being beneficial to the adjustment of the single output work of the piston.
Description
Technical Field
The invention belongs to the fields of pneumatics and wind tunnel experiments, and particularly relates to an integrated impact cylinder device used in a wind tunnel.
Background
In some types of wind tunnel experiments such as launch and launch experiments, an impact cylinder is used as a driving device, the impact cylinder assembly mainly comprises a main cylinder, an auxiliary cylinder for pushing a stop rod of a piston rod of the main cylinder, an energy storage tank and the like, and if the devices are directly placed in wind tunnel airflow, the devices occupy larger space and cause larger pneumatic interference.
Disclosure of Invention
The invention aims to: in view of the above existing problems, an integrated impact cylinder device is provided that can effectively reduce the volume of the structure of the cylinder in the air flow and reduce the aerodynamic interference.
The technical scheme of the invention is realized as follows: an integrated impact cylinder device, includes cylinder body, its characterized in that: the cylinder comprises a cylinder body and is characterized in that a main cylinder cavity and an energy storage cavity are arranged in the cylinder body, a main cylinder piston is arranged in the main cylinder cavity, the energy storage cavity is communicated with the main cylinder cavity on the back of the main cylinder piston, and a blocking mechanism capable of being used for blocking the main cylinder piston to move is arranged on the cylinder body.
According to the integrated impact cylinder device, the axis of the main cylinder cavity is parallel to the axis of the energy storage cavity, and the plane determined by the two axes is parallel to the airflow direction.
According to the integrated impact cylinder device, the windward side and the leeward side of the cylinder body are in a wedge-shaped structure through pneumatic modification.
According to the integrated impact cylinder device, the windward side of the cylinder body is of an arc-shaped structure through pneumatic modification, and the leeward side of the cylinder body is of a wedge-shaped structure through pneumatic modification.
According to the integrated impact cylinder device, the main cylinder piston comprises a main cylinder piston body and a main cylinder piston rod, and the main cylinder piston body and the main cylinder piston rod are connected together to form an integral structure.
The integrated impact cylinder device is characterized in that a cylinder cover, a main cylinder piston end cover and a cover plate are arranged on a cylinder main body, the cylinder cover is positioned on one side, back to a main cylinder piston rod, of the cylinder main body, the main cylinder piston end cover is matched with the main cylinder piston rod and used for guiding the main cylinder piston rod, and the cover plate is connected with a notch part of the cylinder main body and used for keeping the overall appearance of the cylinder main body smooth.
The blocking mechanism of the integrated impact cylinder device comprises a main cylinder piston blocking deflector rod, a main cylinder piston blocking deflector rod hinge shaft seat, a main cylinder piston rod adapter block, an auxiliary cylinder cavity arranged in a cylinder main body and an auxiliary cylinder piston arranged in the auxiliary cylinder cavity, wherein the main cylinder piston blocking deflector rod hinge shaft seat is connected to the cylinder main body, one end of the main cylinder piston blocking deflector rod is hinged to the main cylinder piston blocking deflector rod hinge shaft seat through the main cylinder piston blocking deflector rod hinge shaft, the other end of the main cylinder piston blocking deflector rod corresponds to the auxiliary cylinder piston, the main cylinder piston blocking deflector rod is matched with the main cylinder piston rod adapter block arranged at the tail end of a main cylinder piston rod of the main cylinder piston, and the main cylinder piston rod adapter block can prevent a main cylinder piston rod from moving towards the extending direction.
According to the integrated impact cylinder device, before the gas pressure in the energy storage cavity reaches a specified value, the main cylinder piston rod adapter block is arranged below the tail end of the main cylinder piston rod to prevent the main cylinder piston rod from moving towards the extending direction, when the gas pressure in the energy storage cavity reaches the specified value, the auxiliary cylinder piston pushes the main cylinder piston to block the deflector rod to leave a blocking position, the main cylinder piston rod adapter block synchronously moves along with the main cylinder piston to block the deflector rod to remove the blocking of the main cylinder piston rod, and the main cylinder piston rod is pushed out at a high speed under the action of the pressure in the energy storage cavity.
According to the invention, functions realized by the main cylinder, the energy storage tank and the auxiliary cylinder in the existing structure are integrated on the cylinder main body, and spatial positions of the main cylinder cavity and the energy storage cavity are reasonably distributed in the cylinder main body, so that the blockage degree of the device in the wind tunnel is favorably reduced, the space occupied by the cylinder device in the wind tunnel is greatly reduced, and meanwhile, the pneumatic interference of the device can be reduced.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a top view of fig. 1.
FIG. 5 isbase:Sub>A sectional view taken along line A-A in FIG. 4
Reference numerals are as follows: 1 is the cylinder main part, 1a is the master cylinder cavity, 1b is the energy storage chamber, 1c is the auxiliary cylinder cavity, 1d is the master cylinder air inlet, 2 is the master cylinder piston, 2a is the master cylinder piston body, 2b is the master cylinder piston rod, 3 is the cylinder cap, 4 is the master cylinder piston end cover, 5 is the apron, 6a blocks the driving lever for the master cylinder piston, 6b blocks driving lever hinge seat for the master cylinder piston, 6c is the master cylinder piston rod adapter block, 6d is the auxiliary cylinder piston, 6e blocks the driving lever hinge for the master cylinder piston.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-5, an integrated impact cylinder device includes a cylinder body 1, a main cylinder cavity 1a, an energy storage cavity 1b and an auxiliary cylinder cavity 1c are disposed inside the cylinder body 1, a main cylinder air inlet 1d communicated with the energy storage cavity is disposed on the cylinder body, a main cylinder piston 2 is disposed in the main cylinder cavity 1a, the main cylinder piston 2 includes a main cylinder piston body 2a and a main cylinder piston rod 2b, the main cylinder piston body 2a and the main cylinder piston rod 2b are connected together to form an integral structure, the energy storage cavity 1b is communicated with the main cylinder cavity 1a on the back of the main cylinder piston 2, an axis of the main cylinder cavity 1a is parallel to an axis of the energy storage cavity 1b, and planes defined by the two axes are parallel to an air flow direction, so as to reduce a projected area along the air flow direction and reduce air interference, a windward side and a leeward side of the cylinder body 1 are in a wedge-shaped structure through pneumatic modification, so as to further reduce air interference, and for sub-wind application, a windward side modification of the cylinder body 1 can adopt an arc-shaped acoustic velocity; the cylinder body 1 is provided with a cylinder cover 3, a main cylinder piston end cover 4 and a cover plate 5, the cylinder cover 3 is positioned on one side, facing away from the main cylinder piston rod 2b, of the cylinder body 1, the main cylinder piston end cover 4 is matched with the main cylinder piston rod 2b and used for guiding the main cylinder piston rod 2b, in addition, soft materials such as copper and alloy of the copper can be adopted and used for slowing down piston impact in a short distance, and the cover plate 5 is connected with a notch portion of the cylinder body 1 and used for keeping the overall appearance of the cylinder body 1 smooth and reducing pneumatic interference.
The air cylinder body 1 is provided with a blocking mechanism capable of being used for blocking the movement of the main air cylinder piston 2, the blocking mechanism comprises a main air cylinder piston blocking deflector rod 6a, a main air cylinder piston blocking deflector rod hinge shaft seat 6b, a main air cylinder piston rod adapter block 6c and an auxiliary air cylinder piston 6d arranged in an auxiliary air cylinder cavity 1c, the main air cylinder piston blocking deflector rod hinge shaft seat 6b is connected to the air cylinder body 1, one end of the main air cylinder piston blocking deflector rod 6a is hinged to the main air cylinder piston blocking deflector rod hinge shaft seat 6b through a main air cylinder piston blocking deflector rod hinge shaft 6e, the other end of the main air cylinder piston blocking deflector rod 6a corresponds to the auxiliary air cylinder piston 6d, the main air cylinder piston blocking deflector rod 6a is matched with a main air cylinder piston rod adapter block 6c arranged at the tail end of the main air cylinder piston rod 2b of the main air cylinder piston 2, and the main air cylinder piston rod adapter block 6c can block the main air cylinder piston rod 2b from moving towards the extending direction. Before the gas pressure in the energy storage cavity 1b reaches a specified value, the main cylinder piston rod adapter block 6c is arranged below the tail end of the main cylinder piston rod 2b to prevent the main cylinder piston rod 2b from moving towards the extending direction, when the gas pressure in the energy storage cavity 1b reaches the specified value, the auxiliary cylinder piston 6d pushes the main cylinder piston to block the deflector rod 6a to leave the blocking position, the main cylinder piston rod adapter block 6c moves synchronously with the main cylinder piston to block the deflector rod 6a to release the blocking of the main cylinder piston rod 2b, and the main cylinder piston rod 2b is pushed out at a high speed under the pressure action of the energy storage cavity 1 b.
The working process of the invention is as follows:
1. the cover plate is removed, and the main cylinder piston rod is manually pushed back to the withdrawing position.
2. And manually placing the main cylinder piston blocking deflector rod at a position for preventing the main cylinder piston rod from extending.
3. The energy storage cavity is ventilated through the air inlet of the main cylinder, so that the pressure of the energy storage cavity is increased to a preset pressure.
4. And (3) ventilating the auxiliary cylinder cavity, so that the auxiliary cylinder piston pushes the main cylinder piston to block the deflector rod from leaving the blocking position, and the main cylinder piston rod adapter block is driven to move to release the blocking of the main cylinder piston rod, so that the main cylinder piston is pushed out at a high speed under the pressure action of the energy storage cavity.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An integrated impact cylinder device comprising a cylinder body (1), characterized in that: a main cylinder cavity (1 a) and an energy storage cavity (1 b) are arranged in the cylinder body (1), a main cylinder air inlet (1 d) communicated with the energy storage cavity (1 b) is arranged on the cylinder body (1), a main cylinder piston (2) is arranged in the main cylinder cavity (1 a), the energy storage cavity (1 b) is communicated with the main cylinder cavity (1 a) on the back of the main cylinder piston (2), and a blocking mechanism capable of blocking the main cylinder piston (2) from moving is arranged on the cylinder body (1);
the blocking mechanism comprises a main cylinder piston blocking deflector rod (6 a), a main cylinder piston blocking deflector rod hinge shaft seat (6 b), a main cylinder piston rod adapter block (6 c), an auxiliary cylinder cavity (1 c) arranged inside the cylinder main body (1) and an auxiliary cylinder piston (6 d) arranged in the auxiliary cylinder cavity (1 c), the main cylinder piston blocking deflector rod hinge shaft seat (6 b) is connected to the cylinder main body (1), one end of the main cylinder piston blocking deflector rod (6 a) is hinged to the main cylinder piston blocking deflector rod hinge shaft seat (6 b) through a main cylinder piston blocking deflector rod hinge shaft (6 e), the other end of the main cylinder piston blocking deflector rod is corresponding to the auxiliary cylinder piston (6 d), the main cylinder piston blocking deflector rod (6 a) is matched with a main cylinder piston rod adapter block (6 c) arranged at the tail end of a main cylinder piston rod (2 b) of the main cylinder piston (2), and the main cylinder piston rod adapter block (6 c) can block the main cylinder piston rod (2 b) from moving towards the extending direction.
2. The integrated impact cylinder device according to claim 1, wherein: the axis of the main cylinder cavity (1 a) is parallel to the axis of the energy storage cavity (1 b), and a plane defined by the two axes is parallel to the direction of the airflow.
3. The integrated impingement cylinder apparatus of claim 1, wherein: the windward side and the leeward side of the cylinder main body (1) are in a wedge-shaped structure through pneumatic modification.
4. The integrated impingement cylinder apparatus of claim 1, wherein: the windward side of the cylinder body (1) is of an arc structure through pneumatic shaping, and the leeward side of the cylinder body is of a wedge structure through pneumatic shaping.
5. The integrated impact cylinder device according to claim 1, wherein: the master cylinder piston (2) comprises a master cylinder piston body (2 a) and a master cylinder piston rod (2 b), and the master cylinder piston body (2 a) and the master cylinder piston rod (2 b) are connected together to form an integral structure.
6. The integrated impingement cylinder apparatus of claim 5, wherein: the air cylinder comprises an air cylinder body (1) and is characterized in that the air cylinder body (1) is provided with a cylinder cover (3), a main air cylinder piston end cover (4) and a cover plate (5), the cylinder cover (3) is located on one side, back to a main air cylinder piston rod (2 b), of the air cylinder body (1), the main air cylinder piston end cover (4) is matched with the main air cylinder piston rod (2 b) and used for guiding the main air cylinder piston rod (2 b), and the cover plate (5) is connected with a gap portion of the air cylinder body (1) and used for keeping the overall appearance of the air cylinder body (1) smooth.
7. The integrated impingement cylinder apparatus of claim 1, wherein: before the gas pressure in the energy storage cavity (1 b) reaches a specified value, the main cylinder piston rod adapter block (6 c) is arranged below the tail end of the main cylinder piston rod (2 b) to prevent the main cylinder piston rod (2 b) from moving towards the extending direction, when the gas pressure in the energy storage cavity (1 b) reaches the specified value, the auxiliary cylinder piston (6 d) pushes the main cylinder piston to block the deflector rod (6 a) from leaving the blocking position, the main cylinder piston rod adapter block (6 c) synchronously moves along with the main cylinder piston to block the deflector rod (6 a) to release the blocking of the main cylinder piston rod (2 b), and the main cylinder piston rod (2 b) is pushed out at a high speed under the pressure action of the energy storage cavity (1 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263739.5A CN106918435B (en) | 2017-04-21 | 2017-04-21 | Integrated impact cylinder device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263739.5A CN106918435B (en) | 2017-04-21 | 2017-04-21 | Integrated impact cylinder device |
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| CN106918435A CN106918435A (en) | 2017-07-04 |
| CN106918435B true CN106918435B (en) | 2023-04-07 |
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| CN201710263739.5A Active CN106918435B (en) | 2017-04-21 | 2017-04-21 | Integrated impact cylinder device |
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| CN115290290B (en) * | 2022-10-09 | 2022-12-16 | 中国航空工业集团公司沈阳空气动力研究所 | Wind tunnel test model tenon-and-mortise-like structure and design method thereof |
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| CN102367825A (en) * | 2011-11-04 | 2012-03-07 | 武汉工程大学 | Reversing type impact air cylinder with built-in valve |
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| US5929348A (en) * | 1998-01-21 | 1999-07-27 | Autoliv Asp, Inc. | Micro sled impact test device |
| CN101463873A (en) * | 2007-12-19 | 2009-06-24 | 谢兴云 | Stacked braking pusher of brake |
| JP2012002699A (en) * | 2010-06-17 | 2012-01-05 | Mitsubishi Heavy Ind Ltd | Vehicle collision simulation test device and method thereof, and vehicle collision simulation test device controller |
| CN102212972B (en) * | 2011-04-13 | 2013-11-20 | 北京中诺德瑞工业科技有限公司 | Air pressure ejection instant starting device |
| CN102788676B (en) * | 2012-09-03 | 2015-03-18 | 苏州世力源科技有限公司 | Pneumatic type high acceleration vertical impact table |
| CN202789828U (en) * | 2012-09-11 | 2013-03-13 | 旭阳传动系统工程（成都）有限公司 | Pneumatic support air cylinder |
| CN103389197B (en) * | 2013-07-29 | 2016-08-10 | 苏州世力源科技有限公司 | Horizontal impact testing stand driving means and bidirectional multifunctional horizontal impact testing stand |
| CN103527568B (en) * | 2013-10-18 | 2015-12-16 | 浙江工业大学 | A kind of constant force output air-floating apparatus of following with guide rail |
| CN104847711B (en) * | 2015-05-27 | 2017-02-22 | 德阳恒瑞液控技术有限公司 | Hydraulic servomotor |
| CN105865739B (en) * | 2016-05-11 | 2018-07-27 | 苏州福艾斯振动系统有限公司 | A kind of shock table and its impact test method |
| CN206832430U (en) * | 2017-04-21 | 2018-01-02 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of integrated blow cylinder device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367825A (en) * | 2011-11-04 | 2012-03-07 | 武汉工程大学 | Reversing type impact air cylinder with built-in valve |
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