CN109855471B - Anti-recoil device of multistage air cannon - Google Patents
Anti-recoil device of multistage air cannon Download PDFInfo
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- CN109855471B CN109855471B CN201910266769.0A CN201910266769A CN109855471B CN 109855471 B CN109855471 B CN 109855471B CN 201910266769 A CN201910266769 A CN 201910266769A CN 109855471 B CN109855471 B CN 109855471B
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Abstract
The invention relates to a multi-stage air cannon recoil preventing device, belonging to the technical field of machining; the method comprises the following steps: the cylinder body I (1), the cylinder body II (3), a buffer rod (5), a gas injection valve (6) and a balance valve (7); cylinder body I and barrel fixed connection, II fixed connection of cylinder body are on cylinder body I, II swing joint of buffer beam one end and cylinder body, and one end is connected with the barrel, and be full of the gas of different pressures in cylinder body I, the II cavities of cylinder body through the gas injection valve, each cavity passes through the balanced valve intercommunication, and in the different stages of air gun emission in-process, through the pressure of each cavity of balanced valve adjustment, the realization is to the buffering of recoil and preceding impulsive force. Compared with the prior art, the invention can accurately return to zero the displacement generated by different working conditions in a short time in the launching process of the gas gun and smoothly absorb the peak stress generated by different stress directions, thereby reducing the rigidity and strength requirements and the bearing strength of the foundation; the structure is simple, and the combined working effect of a plurality of stopping machines and re-advancing machines of the original gas gun is replaced.
Description
Technical Field
The invention relates to a multi-stage air cannon recoil preventing device, and belongs to the technical field of air cannon recoil preventing devices.
Background
The recoil force and the forward impulsive force generated by a second-stage or more than second-stage air cannon (a multi-stage air cannon for short) in the launching process cause damage to the cannon body and a foundation. The existing anti-recoil structure adopts a mode of combined work of a plurality of standing-back machines and re-advancing machines to reduce recoil impact force, the structure is complex, anti-recoil resistance is adjusted through liquid holes with different sizes, parts are precise and various and are easy to damage, so that the buffer function is failed, a gun body and a foundation are damaged, and the forward thrust force appearing in different stages of the launching process can only be absorbed by the gun body, so that the rigidity strength of the gun body is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multi-stage air cannon recoil device in order to solve the problem that the impact strength of various reaction forces on a cannon body is high in the process of launching a shot of the existing multi-stage air cannon.
The purpose of the invention is realized by the following technical scheme.
A multi-stage air cannon recoil device comprising: the cylinder body I, the cylinder body II, the buffer rod, the air injection valve and the balance valve;
cylinder body I and barrel fixed connection, II fixed connection of cylinder body are on cylinder body I, II swing joint of buffer beam one end and cylinder body, and one end is connected with the barrel, and be full of the gas of different pressures in cylinder body I, the II cavities of cylinder body through the gas injection valve, each cavity passes through the balanced valve intercommunication, and in the different stages of air gun emission in-process, through the pressure of each cavity of balanced valve adjustment, the realization is to the buffering of recoil and preceding impulsive force.
Advantageous effects
Compared with the prior art, the device provided by the invention can accurately return to zero the displacement generated by different working conditions in a short time in the launching process of the gas gun and smoothly absorb the peak stress generated by different stress directions, thereby reducing the requirement on the rigidity strength and the bearing strength of the foundation; the structure is simple, and the combined working effect of a plurality of stopping machines and re-advancing machines of the original gas gun is replaced.
Drawings
FIG. 1 is a schematic structural diagram of a multi-stage air cannon recoil prevention device in accordance with embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a multi-stage air cannon recoil prevention device in accordance with embodiment 2 of the present invention;
reference numerals: 1-cylinder body I, 2-cover plate, 3-cylinder body II, 4-fixing seat, 5-buffer rod, 6-air injection valve, 7-balance valve, 8-air injection valve I and 9-balance valve I.
Detailed Description
For the purpose of illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, a multi-stage air cannon recoil prevention device includes: the cylinder body I1, the cylinder body II 3, the buffer rod 5, the air injection valve 6 and the balance valve 7;
the cylinder body I1 is fixedly connected with the gun body and serves as a fixing foundation of the whole device, and the air gun does not move relative to the gun body in the launching process; the cylinder body II 3 is fixedly arranged on the cylinder body I1, and divides the cylinder body I1 into 2 closed chambers; one end of the buffer rod 5 is movably connected with the cylinder body II 3 to divide the cylinder body II 3 into 2 closed chambers; the other end of the buffer rod 5 is connected with the gun body, the chambers of the cylinder body I1 and the cylinder body II 3 are filled with gas with different pressures through the gas injection valve 6, the chambers are communicated through the balance valve, and the pressure of each chamber is adjusted through the balance valve 7 at different stages in the launching process of the gas gun, so that the recoil and the front impact are buffered.
Example 2
As shown in fig. 2, the multi-stage gas gun recoil preventing device comprises a cylinder body I1, a cover plate 2, a cylinder body II 3, a fixed seat 4, a buffer rod 5, an air injection valve 6, a balance valve 7, an air injection valve I8 and a balance valve I9;
(1) the cylinder body I1 is connected with a gun body (specifically a gun barrel of an air gun), and does not move relative to the gun body in the launching process of the air gun;
(2) the cover plate 2 is used as a connecting cover plate after the cylinder body I1 and the cylinder body II 3 are assembled, so that a closed gas cavity is formed between the cylinder body I1 and the cylinder body II 3; here, the cover plate 2 and the cylinder body i 1 may be in a split structure, connected in a sealing connection manner, or in an integrated structure connected in a welding manner, or in other structures that will occur to those skilled in the art;
(3) the cylinder body II 3 is used for connecting the cylinder body I1 and the buffer rod 5 to realize multi-stage adjustment;
(4) the fixed seat 4 is used as a connecting seat after the cylinder body II 3 and the buffer rod 5 are assembled, so that a closed gas cavity is formed between the cylinder body II 3 and the buffer rod 5; here, the fixed seat 4 and the cylinder body ii 3 may be in a split structure, connected in a sealing connection manner, or in an integrated structure connected in a welding manner, or in other structures that will occur to those skilled in the art;
(5) the buffer rod 5 is connected with the gun barrel and transmits the acting force of the projectile on the gun barrel along with the movement of the gun barrel in the launching process of the gas gun;
(6) the gas injection valve 6 is arranged on the fixed seat 4 and used for measuring and regulating the pressure of gas in a cavity formed by the buffer rod 5 and the cylinder body II 3;
(7) the balance valve 7 is arranged on the cylinder body II 3, plays a role in overload protection, adjusts the initial position of the cylinder body II 3 relative to the cylinder body I1, and adjusts the gas proportion of the cavity during backseat and forward stroke;
(8) the gas injection valve 8 is arranged on the cylinder body I1 and used for measuring and regulating the pressure of gas in a cavity formed by the cylinder body II 3 and the cylinder body I1;
(9) the balance valve 9 is arranged on the cylinder body II 3, plays a role in overload protection, adjusts the initial position of the buffer rod 5 relative to the cylinder body II 3, and adjusts the gas proportion of the chamber during backseat and forward stroke;
the connection relationship among the components is as follows:
cylinder body II 3 is connected through apron 2 and I1 maintenance of cylinder body, wherein apron 2 is fixed in on I1 of cylinder body, I1 maintenance of cylinder body is connected on the big gun body, buffer rod 5 is through fixing base 4 and II 3 swing joint of cylinder body, make buffer rod 5 can only make fore-and-aft concertina movement along the axial, fixing base 4 is fixed in on II 3 of cylinder body, notes pneumatic valve 6 installs on fixing base 4, balanced valve 7 is installed on II 3 of cylinder body, notes pneumatic valve 8 installs on I1 of cylinder body, balanced valve 9 installs on II 3 of cylinder body.
The working process of the device is as follows:
firstly, injecting air pressures with different pressures into the cavity I and the cavity II through the air injection valve (injecting different pressures according to different requirements of air cannons and internal trajectories), and adjusting the initial pressures of the cavity III and the cavity IV through the balance valve. When the gas gun generates recoil force, the gun tube drives the buffer rod to move backwards, the buffer rod compresses gas in a cavity III, the cylinder body II moves backwards, the gas in the cavity I is compressed, and recoil energy is slowly absorbed; when the air cannon generates a front impact force, the cannon barrel drives the buffer rod to move forwards, the cylinder body II moves forwards, air in the cavity II is compressed, and the front impact energy is slowly absorbed; the same principle of multi-stage recoil and forward stroke meets the requirement, and the multi-stage anti-recoil function is realized; after the shot is shot, the gun body is accurately returned to the initial position through the combined action of the pressure of the I, II cavity and the balance valve. The gas injection valve monitors the pressure and the working state in the anti-recoil integrator at any time, and supplements and releases the internal pressure.
In order to illustrate the contents and embodiments of the present invention, specific examples are given herein. The details introduced in the examples are not intended to limit the scope of the claims but to assist in understanding the present invention. Those skilled in the art will understand that: various modifications, changes or substitutions to the preferred embodiment steps are possible without departing from the spirit and scope of the invention and its appended claims. Therefore, the present invention should not be limited to the disclosure of the preferred embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides an anti-recoil device of multistage air cannon which characterized in that: the method comprises the following steps: the cylinder body I (1), the cylinder body II (3), a buffer rod (5), a gas injection valve (6) and a balance valve (7);
the gun barrel comprises a cylinder body I (1), a gun barrel body I (1), a cylinder body II (3), a buffer rod, a gun barrel, an air injection valve (6), a gun barrel and a gun barrel, a gun barrel, a barrel; all the chambers are communicated through the balance valve (7), and the pressure of each chamber is adjusted through the balance valve (7) at different stages in the launching process of the gas gun, so that the recoil and the forward impulsive force are buffered, and the gun body can accurately return to zero.
2. The utility model provides an anti-recoil device of multistage air cannon which characterized in that: the gas injection device comprises a cylinder body I (1), a cover plate (2), a cylinder body II (3), a fixed seat (4), a buffer rod (5), a gas injection valve (6), a balance valve (7), a gas injection valve I (8) and a balance valve I (9);
(1) the cylinder body I (1) is connected with the gun body, and does not move relative to the gun body in the launching process of the air gun;
(2) the cover plate (2) is used as a connecting cover plate after the cylinder body I (1) and the cylinder body II (3) are assembled, so that a closed gas cavity is formed between the cylinder body I (1) and the cylinder body II (3);
(3) the cylinder body II (3) is used for connecting the cylinder body I (1) and the buffer rod (5) to realize multi-stage adjustment;
(4) the fixed seat (4) is used as a connecting seat after the cylinder body II (3) and the buffer rod (5) are assembled, so that a closed gas cavity is formed between the cylinder body II (3) and the buffer rod (5);
(5) the buffer rod (5) is connected with the gun barrel and transmits the acting force of the projectile on the gun barrel along with the movement of the gun barrel in the launching process of the air cannon;
(6) the gas injection valve (6) is arranged on the fixed seat (4) and is used for measuring and regulating the pressure of gas in a cavity formed by the buffer rod (5) and the cylinder body II (3);
(7) the balance valve (7) is arranged on the cylinder body II (3) and plays a role in overload protection, the initial position of the cylinder body II (3) relative to the cylinder body I (1) is adjusted, and the gas proportion of the cavity is adjusted when a backseat and a forward stroke are carried out;
(8) the gas injection valve I (8) is arranged on the cylinder body I (1) and is used for measuring and regulating the pressure of gas in a cavity formed by the cylinder body II (3) and the cylinder body I (1);
(9) the balance valve I (9) is arranged on the cylinder body II (3) and plays a role in overload protection, the initial position of the buffer rod (5) relative to the cylinder body II (3) is adjusted, and the proportion of gas in the cavity is adjusted during backseat and forward stroke, so that the gun body can accurately return to zero;
the connection relationship among the components is as follows:
cylinder body II (3) are through apron (2) and I (1) swing joint of cylinder body, wherein apron (2) are fixed in on I (1) of cylinder body, I (1) maintenance of cylinder body is connected on big gun body, buffer rod (5) are through fixing base (4) and II (3) swing joint of cylinder body, make buffer rod (5) can only make fore-and-aft concertina movement along the axial, fixing base (4) are fixed in on II (3) of cylinder body, gas injection valve (6) are installed on fixing base (4), install on II (3) of cylinder body in balanced valve (7), install on I (1) of cylinder body in gas injection valve I (8), install on II (3) of cylinder body in balanced valve I (9).
3. The anti-recoil device of a multi-stage air cannon of claim 2 further comprising: the cylinder body I (1) and the cover plate (2) are of split structures and are connected in a sealing mode.
4. The anti-recoil device of a multi-stage air cannon of claim 2 further comprising: the cylinder body I (1) and the cover plate (2) are of an integrated structure connected in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266769.0A CN109855471B (en) | 2019-04-03 | 2019-04-03 | Anti-recoil device of multistage air cannon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266769.0A CN109855471B (en) | 2019-04-03 | 2019-04-03 | Anti-recoil device of multistage air cannon |
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| Publication Number | Publication Date |
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| CN109855471A CN109855471A (en) | 2019-06-07 |
| CN109855471B true CN109855471B (en) | 2021-08-06 |
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| CN201910266769.0A Active CN109855471B (en) | 2019-04-03 | 2019-04-03 | Anti-recoil device of multistage air cannon |
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| CN112169233B (en) * | 2020-09-29 | 2021-12-31 | 上海瑞泰消防设备制造有限公司 | Fixed fire water monitor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1152579B (en) * | 1960-08-22 | 1963-08-08 | Stabilus Ind Und Handelsgesell | Pneumatic spring |
| US3171643A (en) * | 1963-10-23 | 1965-03-02 | Stabilus Ind Handels Gmbh | Multi-stage pneumatic spring |
| DE2816761A1 (en) * | 1978-04-18 | 1979-10-31 | Fritz R Stolberg | Telescopic tube pneumatic spring arrangement - has one or more stages, and can be partially filled with liq. |
| JPS5652639A (en) * | 1979-09-29 | 1981-05-11 | Mutoh Ind Ltd | Gas spring |
| JPS61116131A (en) * | 1984-11-09 | 1986-06-03 | Nhk Spring Co Ltd | Multistage type gas spring device |
| CN201027880Y (en) * | 2007-05-14 | 2008-02-27 | 周良庆 | Compressed gas spring |
-
2019
- 2019-04-03 CN CN201910266769.0A patent/CN109855471B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1152579B (en) * | 1960-08-22 | 1963-08-08 | Stabilus Ind Und Handelsgesell | Pneumatic spring |
| US3171643A (en) * | 1963-10-23 | 1965-03-02 | Stabilus Ind Handels Gmbh | Multi-stage pneumatic spring |
| DE2816761A1 (en) * | 1978-04-18 | 1979-10-31 | Fritz R Stolberg | Telescopic tube pneumatic spring arrangement - has one or more stages, and can be partially filled with liq. |
| JPS5652639A (en) * | 1979-09-29 | 1981-05-11 | Mutoh Ind Ltd | Gas spring |
| JPS61116131A (en) * | 1984-11-09 | 1986-06-03 | Nhk Spring Co Ltd | Multistage type gas spring device |
| CN201027880Y (en) * | 2007-05-14 | 2008-02-27 | 周良庆 | Compressed gas spring |
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| CN109855471A (en) | 2019-06-07 |
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