CN113847842A - Bullet holder capturing and bullet holder body separating device for high-speed water-entering launching equipment - Google Patents
Bullet holder capturing and bullet holder body separating device for high-speed water-entering launching equipment Download PDFInfo
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- CN113847842A CN113847842A CN202111122934.9A CN202111122934A CN113847842A CN 113847842 A CN113847842 A CN 113847842A CN 202111122934 A CN202111122934 A CN 202111122934A CN 113847842 A CN113847842 A CN 113847842A
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- bullet
- projectile body
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- guider
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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Abstract
A bullet support catches and bullet body separator that is used for high-speed income water firing equipment belongs to boats and ships and ocean engineering technical field. The invention solves the problems that in the existing high-pressure gas launching projectile body high-speed water entering experiment, the launching tube can continue to jet high-pressure gas after the projectile body enters water, the free surface and the cavitation evolution characteristic of the water entering phenomenon are extremely influenced, and in the projectile body high-speed water entering launching process, the projectile body is extremely easy to deflect due to the fact that the collision between the projectile body support and the projectile body support catcher interferes with the movement of the projectile body, the water entering experiment result is influenced, and even the launching failure is caused. One end of the spring container is coaxially and fixedly connected with one end of the launching tube, the other end of the spring container is coaxially and fixedly connected with the guider, the bullet holder preventer is coaxially arranged in the launching tube in a penetrating mode, one end portion of the bullet holder preventer is clamped at one end of the launching tube, the bullet holder preventer is of a cylindrical structure, the bullet guide tube is sequentially and coaxially arranged in the guider and the spring container in a penetrating mode, and one end of the bullet guide tube is fixedly connected with the bullet holder preventer.
Description
Technical Field
The invention relates to a bullet support capturing and bullet support body separating device for high-speed water-entering launching equipment, and belongs to the technical field of ship and ocean engineering.
Background
The 21 st century is known as the ocean century. As an important component of the force of the offshore military, underwater weapons are of great significance for maintaining and competing for the master right of the sea. The underwater weapon can not only cause the local damage of the naval vessel to lead the naval vessel to lose the fighting capability, but also even lead the naval vessel to be broken when the warfare vessel is serious, thereby completely losing the vitality. Under the new international trend, the development of navy underwater weapon equipment in China is of great importance. When an underwater weapon is launched into water from the air, the problem of high-speed medium crossing of a projectile body brings great difficulty to numerical simulation due to various strong nonlinear problems such as a high-speed impact problem, a multiphase problem, a free liquid level splashing problem and the like, and the numerical simulation parameter setting has great influence on a result and has uncertainty.
Under the condition that the launching tube is not provided with any device, the high-pressure gas launches the projectile body to enter water at a high speed for experiment, and the launching tube can continue to jet high-pressure gas after the projectile body enters water, so that the free surface and the cavitation evolution characteristic of the water entering phenomenon are extremely influenced. In addition, in the process of launching the projectile body in water at a high speed, the projectile body is disturbed by the collision between the projectile support and the projectile support catcher, so that the deflection of the projectile body is possibly caused, the result of the water launching experiment is influenced, and even the launching failure is caused.
Disclosure of Invention
The invention aims to solve the problems that in the existing high-pressure gas launching projectile body high-speed water launching experiment, a launching tube can continuously jet high-pressure gas after the projectile body enters water, the free surface and cavitation evolution characteristics of a water launching phenomenon are extremely influenced, and in the projectile body high-speed water launching process, the projectile body is extremely easy to deflect due to the fact that the collision between a projectile support and a projectile support catcher interferes with the movement of the projectile body, the water launching experiment result is influenced, and even the launching failure is caused, and further provides a projectile support capturing and projectile support projectile body separating device for high-speed water launching equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a bullet support is caught and bullet support projectile body separator for high-speed income water firing equipment, it includes projectile body stand pipe, director, spring container and bullet support preventer, wherein the one end of spring container and the coaxial rigid coupling of one end of stand pipe, the other end and the coaxial rigid coupling of director of spring container, the coaxial dress of wearing of bullet support preventer is in the one end of stand pipe and its one end card is established at the stand pipe, and bullet support preventer is the tubular structure, and its internal diameter is greater than the projectile body external diameter and is less than the setting of bullet support external diameter, the projectile body stand pipe is coaxial in proper order to wear the dress in director and spring container, and rigid coupling between the one end of projectile body stand pipe and the bullet support preventer, the spring is located spring container and the suit is outside the projectile body stand pipe.
Further, the projectile body guide pipe is of a cylindrical structure, and the projectile body guide pipe is connected with the projectile support stopper through threads.
Furthermore, an inner conical surface is processed on the inner wall of one end part of the bullet guide tube close to the bullet support stopper.
Furthermore, the guider and the spring container are fixedly connected through a flange and a plurality of bolts.
Furthermore, the spring container is of a cylindrical structure, an internal thread is processed at one end of the spring container and is matched and connected with an external thread at one end of the transmitting tube, the axial section of the guider is of a convex structure, the large outer diameter end of the guider penetrates through the spring container, and the flange plate is fixedly arranged between the large outer diameter end and the small outer diameter end of the guider.
Furthermore, an oil filling hole and an oil containing lubricating groove are formed in the guider, wherein the oil containing lubricating groove is formed along the circumferential direction of the inner wall of the guider, and the oil filling hole is formed along the radial direction of the guider and is communicated with the oil containing lubricating groove.
Further, a plurality of first through holes are formed in the side wall of the spring container, and the inner space and the outer space of the spring container are communicated through the first through holes.
Furthermore, a plurality of first through holes are uniformly distributed along the circumferential direction of the spring container, and each first through hole is formed along the radial direction of the spring container.
Furthermore, a boss is processed at one end part of the bullet support stopper and is clamped at one end of the launching tube through a shoulder surface of the boss.
Furthermore, a plurality of second through holes are formed in the side wall of the bullet support stopper, and the inner space and the outer space of the bullet support stopper are communicated through the second through holes.
Compared with the prior art, the invention has the following effects:
can reach the effect of launching into water to the high speed of elongated body completely through this application, this application can realize the separation of projectile body and bullet support among the launch process to block the influence of the intraductal high-pressure gas of emission to the experiment of launching. This application can install in the launching tube exit end of all kinds of high-speed slender bodies firing equipment, realizes accelerating to the launching tube exit end by the launching tube under the bearing of bullet support to the projectile body. The water inlet of the slender bodies with different sizes is realized by replacing different elastic supports and separating devices.
Compared with the prior art, the sectional area of the launching tube is fully utilized under the same launching pressure, and the stress of the bullet holder is increased, so that a larger launching speed is obtained; the bullet body is accelerated to the outlet end of the launching tube by the launching tube under the load of the bullet holder, and the bullet holder is captured in the launching tube to prevent high-pressure gas from being sprayed from the launching tube to influence the water entering phenomenon; the spring is used as a buffer structure to relieve the collision between the bullet holder and the catching device thereof; the projectile body continues to move in the projectile body guide pipe after being separated from the projectile support, so that the movement stability of the projectile body is kept, and the projectile body can enter water according to an expected track.
Drawings
FIG. 1 is a schematic front view of the present application mounted on a launch tube;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the separated configuration of the sabot and the projectile body;
FIG. 4 is a schematic main sectional view of the projectile after separation of the sabot from the projectile body;
FIG. 5 is a schematic perspective view of the present application;
FIG. 6 is a main cross-sectional view of the projectile guide tube;
FIG. 7 is a perspective view of the guide;
FIG. 8 is a main cross-sectional view of the guide;
FIG. 9 is a perspective view of the spring receiver;
FIG. 10 is a main cross-sectional view of the spring receiver;
FIG. 11 is a perspective view of the bullet holder stop;
fig. 12 is a main sectional view of the sabot stopper.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 12, and the bullet holder catching and bullet holder separating device for high-speed water-entering launching equipment comprises a bullet holder guide tube 1, a guider 2, a spring 3, a spring container 4 and a bullet holder stopper 5, wherein one end of the spring container 4 is coaxially and fixedly connected with one end of the launching tube 8, the other end of the spring container 4 is coaxially and fixedly connected with the guider 2, the bullet-holding preventer 5 is coaxially arranged in the launching tube 8 in a penetrating way, one end part of the bullet-holding preventer is clamped at one end of the launching tube 8, the bullet-holding preventer 5 is of a cylindrical structure, the inner diameter of the elastic body guide tube is larger than the outer diameter of the elastic body 6 and smaller than the outer diameter of the elastic support 7, the elastic body guide tube 1 is coaxially arranged in the guider 2 and the spring container 4 in sequence, and one end of the projectile body guide pipe 1 is fixedly connected with the projectile body support stopper 5, and the spring 3 is positioned in the spring container 4 and sleeved outside the projectile body guide pipe 1.
The device of the present application relies on a launch tube 8.
The internal diameter of bullet support stopper 5 is greater than 6 external diameters of body and is less than the setting of bullet support 7 external diameter, guarantees that body 6 can pass through smoothly and prevents that bullet support 7 passes through.
The inner diameter of the spring 3 is designed to be larger than the outer diameter of the body guide tube 1, and the outer diameter of the spring 3 is not larger than the inner diameter of the spring receiver 4.
When installing the projectile body 6, place the projectile body 6 in the bullet support 7 to hug closely the projectile body 6 bottom in bullet support 7 bottom, place the bullet support 7 of carrying the projectile body 6 that will assemble inside launching tube 8 by launching tube 8 entry end.
In the practical use process, the inner diameters and the outer diameters of the launching tube 8 and the bullet holder 7 are determined according to the geometric dimension of the bullet body 6 and the requirement of the water entering speed, and the size of the bullet holder stopper 5 is further determined;
the size of the required buffer spring 3 is determined according to the mass of the projectile body 6 and the water inlet speed, and the size of the spring container 4, particularly the length thereof is further determined; the rigidity of the spring 3 can be adjusted according to actual requirements to achieve a proper buffering effect, or the spring 3 can be replaced by other types of energy-absorbing buffering materials.
The diameter of the inner bore of the guide 2 is determined according to the outer diameter of the projectile guide tube 1.
The length of the projectile body guide tube 1 is determined according to the length of the projectile body 6 and the length of the spring container 4, the length of the projectile body guide tube 1 is not less than the total length of the projectile body 6, and the projectile body guide tube can extend out of the guider 2 from the outlet section of the launching tube 8.
Can reach the effect of entrying to the high-speed transmission of elongated body completely through this application, this application can realize the separation of projectile body 6 and bullet support 7 in the launch process to block the influence of the high-pressure gas of injection in the launching tube 8 to the experiment of entrying. This application can install in 8 exit ends of launching tube of all kinds of high-speed slender bodies firing equipment, realizes that 6 to the projectile body by 8 exit ends of launching tube 8 with higher speed of launching tube under the bearing of bullet support 7. The water inlet of the slender bodies with different sizes is realized by replacing different elastic supports 7 and separating devices.
Compared with the prior art, the sectional area of the launching tube 8 is fully utilized under the same launching pressure, and the stress of the bullet holder 7 is increased, so that a larger launching speed is obtained; the bullet body 6 is accelerated to the outlet end of the launching tube 8 by the launching tube 8 under the load of the bullet holder 7, and the bullet holder 7 is captured in the launching tube 8 to prevent high-pressure gas from being sprayed from the launching tube 8 to influence the water entering phenomenon; the spring 3 is used as a buffer structure to relieve the collision between the bullet holder 7 and the catching device thereof; the projectile body 6 continues to move in the projectile body guide pipe 1 after being separated from the projectile holder 7, so that the stability of the movement of the projectile body 6 is kept, and the projectile body 6 can enter water according to an expected track.
After the projectile body 6 is launched, the projectile holder 7 can be left in the launching tube 8, high-pressure gas is prevented from being continuously sprayed by the launching tube 8 to influence the phenomenon of the water inlet process, and the method has important significance on scientific research of the water inlet problem, has good universality and operability, is simple and compact in structure, easy to realize and convenient to operate, can fully improve the experimental efficiency while achieving the expected effect, and can save the experimental cost due to the fact that the projectile holder 7 and the capturing structure of the projectile holder 7 can be reused;
through the stability that projectile body 6 moved of projectile body guide tube 1 increase, before 7 collision projectile holders 5 are held in the palm to the bullet, at first projectile body 6 will have partly to insert in projectile body guide tube 1, projectile body 6 still can move a section distance in projectile body guide tube 1 after breaking away from in projectile holder 7, can fully maintain projectile body 6's motion stability. Further, the spring 3 is added as a buffer to reduce the collision strength between the magazine 7 and the magazine stopper 5.
The projectile body guide pipe 1 is of a cylindrical structure, and the projectile body guide pipe 1 is connected with the projectile support stopper 5 through threads. With the design, one end part of the bullet support stopper 5 is processed with an internal thread and is in threaded connection with the bullet guide tube 1 through the internal thread.
An inner conical surface 1-1 is processed on the inner wall of one end part of the projectile body guide tube 1 close to the projectile support stopper 5. By the design, the projectile body 6 can enter the projectile body guide pipe 1 more smoothly in the separation process from the projectile holder 7.
The guider 2 is fixedly connected with the spring container 4 through a flange and a plurality of bolts.
The spring container 4 is of a cylindrical structure, an internal thread is processed at one end of the spring container and is matched and connected with an external thread at one end of the launching tube 8, the axial section of the guider 2 is of a convex structure, the large outer diameter end of the guider penetrates through the spring container 4, and the flange plate is fixedly arranged between the large outer diameter end and the small outer diameter end of the guider 2. So design, the terminal surface through big external diameter end realizes the axial limiting displacement to spring 3, through setting up little external diameter end, when playing the guide effect to elastomer stand pipe 1, the installation of the bolt when the ring flange of being convenient for is connected. Determining the size of the large outer diameter end of the guider 2 according to the inner diameter of the spring container 4, and selecting proper flanges for the spring container 4 and the guider 2 to connect the spring container 4 and the guider 2; by threadably mounting spring receiver 4 on one end of launch tube 8, the configuration of spring receiver 4 is prevented from affecting the launch of projectile 6. The internal thread of the spring receiver 4 is dimensioned according to the outer diameter of the firing tube 8.
The guider 2 is provided with an oil filling hole 2-1 and an oil containing lubricating groove 2-2, wherein the oil containing lubricating groove 2-2 is formed along the circumferential direction of the inner wall of the guider 2, and the oil filling hole 2-1 is formed along the radial direction of the guider 2 and is communicated with the oil containing lubricating groove 2-2. The projectile guide tube 1 can smoothly slide in the guide 2 under the lubricating action of lubricating oil, and the friction between the projectile guide tube and the guide is reduced.
A plurality of first through holes 4-1 are formed in the side wall of the spring container 4, and the inner space and the outer space of the spring container 4 are communicated through the first through holes 4-1. The number of the first through holes as high-pressure gas release outlets can be set according to actual needs, preferably four, and the first through holes can be round, rectangular or any other irregular shape, preferably rectangular holes.
The first through holes are uniformly distributed along the circumferential direction of the spring container 4, and each first through hole 4-1 is formed along the radial direction of the spring container 4.
One end of the bullet-holding stopper 5 is provided with a boss 5-1 and is clamped at one end of the launching tube 8 through the shoulder surface of the boss 5-1. The outer diameter of the boss 5-1 is substantially identical to the outer diameter of the launch tube 8 and the inner diameter of the spring receiver 4. Except the boss 5-1, the outer diameter of the rest part of the bullet support stopper 5 is the same as the inner diameter of the launching tube 8 and can move along the axial direction of the launching tube 8. The inner diameter of the spring receiver 4 is determined by the outer diameter of the boss of the bullet holder stopper 5.
The side wall of the bullet support stopper 5 is provided with a plurality of second through holes 5-2, and the inner space and the outer space of the bullet support stopper 5 are communicated through the second through holes 5-2. The number of the second through holes is set as high-pressure gas release outlets, and the second through holes are preferably four, and the second through holes can be round, rectangular or any other irregular shape, and are preferably rectangular holes.
In the installation process, the external thread of the projectile guide tube 1 is matched and connected with the internal thread of the projectile support stopper 5, the spring container 4 is connected with the guider 2 through a flange by adopting a bolt, the spring 3 is further arranged in the spring container 4, the projectile guide tube 1 penetrates through the inner hole of the guider 2, and the boss end face of the projectile support stopper 5 is in contact with the spring 3; the sabot preventer 5 is placed inside the launch tube 8 and the spring receiver 4 is then rotated so that its internal thread mates with the external thread of the launch tube 8. The action process of the application is as follows: the bullet holder 7 and the bullet 6 carried by the bullet holder move to an outlet along the launching tube 8 under the action of high-pressure gas, before the bullet holder 7 collides with the bullet holder stopper 5, a part of the bullet 6 is firstly inserted into the bullet guide tube 1, then the bullet holder 7 collides with the bullet holder stopper 5, the bullet holder stopper 5 and the bullet guide tube 1 are pushed, and meanwhile, the spring 3 is compressed; at the moment, the projectile body 6 is separated from the projectile support 7 and moves along the projectile body guide pipe 1, and finally the projectile body guide pipe 1 is ejected to finish a launching task; the bullet holder 7 is left inside the launching tube 8 due to the blocking of the bullet holder stopper 5; subsequently, the bullet holder stopper 5 and the bullet guide tube 1 are restored to the original position by the spring 3.
Claims (10)
1. The utility model provides a bullet support is caught and bullet support projectile body separator for high-speed income water firing equipment which characterized in that: it comprises a projectile body guide tube (1), a guider (2), a spring (3), a spring container (4) and a projectile support stopper (5), wherein one end of the spring container (4) is coaxially and fixedly connected with one end of the transmitting tube (8), the other end of the spring container (4) is coaxially and fixedly connected with the guider (2), the bullet support stopper (5) is coaxially arranged in the launching tube (8) in a penetrating way, one end part of the bullet support stopper is clamped at one end of the launching tube (8), the bullet support stopper (5) is of a cylindrical structure, the inner diameter of the elastic body is larger than the outer diameter of the elastic body (6) and smaller than the outer diameter of the elastic support (7), the projectile body guide tube (1) is coaxially arranged in the guider (2) and the spring container (4) in sequence, one end of the projectile body guide tube (1) is fixedly connected with the projectile support stopper (5), the spring (3) is positioned in the spring container (4) and sleeved outside the projectile body guide tube (1).
2. The apparatus of claim 1, wherein the apparatus comprises: the projectile body guide pipe (1) is of a cylindrical structure, and the projectile body guide pipe (1) is connected with the projectile support stopper (5) through threads.
3. The apparatus of claim 1 or 2, wherein the apparatus comprises: an inner conical surface (1-1) is processed on the inner wall of one end part of the projectile body guide tube (1) close to the projectile support stopper (5).
4. The apparatus of claim 1, wherein the apparatus comprises: the guider (2) is fixedly connected with the spring container (4) through a flange plate and a plurality of bolts.
5. The apparatus of claim 4, wherein the apparatus comprises: the spring container (4) is of a cylindrical structure, an internal thread is machined at one end of the spring container and is matched and connected with an external thread at one end of the transmitting tube (8), the axial section of the guider (2) is of a convex structure, the large outer diameter end of the guider penetrates through the spring container (4), and the flange plate is fixedly arranged between the large outer diameter end and the small outer diameter end of the guider (2).
6. The apparatus of claim 1, 2, 4 or 5 for catching and separating bullet-loaded bullets in a high speed water-entering launching device, wherein: the oil guide device is characterized in that the guider (2) is provided with an oil filling hole (2-1) and an oil containing lubricating groove (2-2), wherein the oil containing lubricating groove (2-2) is formed along the circumferential direction of the inner wall of the guider (2), and the oil filling hole (2-1) is formed along the radial direction of the guider (2) and communicated with the oil containing lubricating groove (2-2).
7. The apparatus of claim 1, 2, 4 or 5 for catching and separating bullet-loaded bullets in a high speed water-entering launching device, wherein: a plurality of first through holes (4-1) are formed in the side wall of the spring container (4), and the inner space and the outer space of the spring container (4) are communicated through the first through holes (4-1).
8. The apparatus of claim 7, wherein the apparatus comprises: the first through holes are uniformly distributed along the circumferential direction of the spring container (4), and each first through hole (4-1) is formed along the radial direction of the spring container (4).
9. The apparatus of claim 1, 2, 4, 5 or 8 for catching and separating the bullet-loaded bullet body in a high speed water-entering launching device, wherein: one end of the bullet support stopper (5) is provided with a boss (5-1) and is clamped at one end of the launching tube (8) through the shoulder surface of the boss (5-1).
10. The apparatus of claim 9 for catching and separating bullet-loaded bullets in a high-speed water-entering launching device, wherein: a plurality of second through holes (5-2) are formed in the side wall of the bullet support stopper (5), and the inner space and the outer space of the bullet support stopper (5) are communicated through the second through holes (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122934.9A CN113847842B (en) | 2021-09-24 | 2021-09-24 | Bullet support capturing and bullet support body separating device for high-speed water-entering launching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122934.9A CN113847842B (en) | 2021-09-24 | 2021-09-24 | Bullet support capturing and bullet support body separating device for high-speed water-entering launching equipment |
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| CN113847842A true CN113847842A (en) | 2021-12-28 |
| CN113847842B CN113847842B (en) | 2022-10-04 |
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| CN202111122934.9A Active CN113847842B (en) | 2021-09-24 | 2021-09-24 | Bullet support capturing and bullet support body separating device for high-speed water-entering launching equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857995A (en) * | 2022-04-20 | 2022-08-05 | 西北工业大学 | Launching device pushes away bullet and launching device |
| CN117489746A (en) * | 2023-12-29 | 2024-02-02 | 哈尔滨工程大学 | Buffer device and buffer method for recovering bracket in decompression water-entering compression ratio experiment |
| CN117553632A (en) * | 2023-07-27 | 2024-02-13 | 中国万宝工程有限公司 | Test bullet and test method thereof |
| CN117553632B (en) * | 2023-07-27 | 2024-06-04 | 中国万宝工程有限公司 | Test bullet and test method thereof |
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| CN108362170A (en) * | 2018-02-07 | 2018-08-03 | 西北工业大学 | De- bullet device for air bubble |
| CN109115025A (en) * | 2018-08-20 | 2019-01-01 | 西安交通大学 | A kind of sub-calibre pellet injection and separator |
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| WO2009056082A1 (en) * | 2007-11-02 | 2009-05-07 | Jallcom Holdings Ltd. | Ammunition for shooting from a smooth barrel |
| CN103673756A (en) * | 2013-11-13 | 2014-03-26 | 南京航空航天大学 | Vacuum chamber connecting device used for air cannon |
| CN105547058A (en) * | 2015-12-16 | 2016-05-04 | 哈尔滨工业大学 | Projectile holder separating system based on momentum theorem |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114857995A (en) * | 2022-04-20 | 2022-08-05 | 西北工业大学 | Launching device pushes away bullet and launching device |
| CN114857995B (en) * | 2022-04-20 | 2024-01-16 | 西北工业大学 | Launching device pushing bullet and launching device |
| CN117553632A (en) * | 2023-07-27 | 2024-02-13 | 中国万宝工程有限公司 | Test bullet and test method thereof |
| CN117553632B (en) * | 2023-07-27 | 2024-06-04 | 中国万宝工程有限公司 | Test bullet and test method thereof |
| CN117489746A (en) * | 2023-12-29 | 2024-02-02 | 哈尔滨工程大学 | Buffer device and buffer method for recovering bracket in decompression water-entering compression ratio experiment |
| CN117489746B (en) * | 2023-12-29 | 2024-03-12 | 哈尔滨工程大学 | Buffer device and buffer method for recovering bracket in decompression water-entering compression ratio experiment |
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|---|---|
| CN113847842B (en) | 2022-10-04 |
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