Continuous bomb dropping device and continuous bomb body water entry test device and method in decompression environment

Abstract

The invention provides a continuous bomb dropping device and a continuous water entry test device and method for a bomb body in a decompression environment, and belongs to the technical field of cross-medium water entry test devices. In the continuous bomb dropping device, a moving sliding table is fixedly arranged on a support, a bomb body releasing structure comprises a supporting shell, a rotating wheel and a driving piece, the supporting shell is connected with the moving sliding table, the moving sliding table can drive the bomb body releasing structure to move in the vertical direction, the rotating wheel is rotationally arranged on the supporting shell, and the driving piece is fixedly arranged on the supporting shell and connected with the rotating wheel. The driving part can drive the rotating wheel to rotate, the rotating wheel is provided with a plurality of projectile body containing cavities, the multiple projectile body containing cavities are arranged at intervals in the circumferential direction of the rotating wheel, a projectile outlet is formed in the lower portion of the supporting shell, and the projectile outlet is configured in the mode that when the projectile body containing cavities communicate with the projectile outlet, projectile bodies in the projectile body containing cavities are separated from the projectile body containing cavities and penetrate through the projectile outlet. And after one-time pressure reduction is conducted on the pressure reduction tank, continuous controllable release of the multiple projectile bodies entering water is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of cross-medium water entry test devices, and in particular relates to a continuous bomb dropping device and a device and method for a projectile continuous water entry test under a reduced pressure environment. Background Art

[0002] In practical applications, airdrop equipment and medium- and low-speed navigation bodies must go through a cross-medium water entry process when hitting underwater targets. When entering the water, such equipment will be affected by the coupling of multiple complex factors such as transient impact loads, hydrodynamics, cavitation, and cavitation. In order to reveal the influence mechanism of various factors on the motion of the projectile, the law can be explored through water entry tests, which can also provide technical support for solving technical problems in practical applications. Previous studies have shown that the density of the gas environment has a significant effect on the evolution of cavitation when the structure enters the water. The water entry test in the decompression tank is an important means to carry out research on such problems. However, the existing decompression water entry test process is usually to conduct a water entry test once under decompression, and then open the tank to place the water entry projectile in the tank. Since each water entry test requires a decompression operation in the tank, this method greatly reduces the test efficiency when conducting a large number of decompression water entry tests. Therefore, there is an urgent need for a device and method that can perform multiple water entry tests under the condition of a single decompression. Summary of the invention

[0003] In view of this, in order to solve the problem that the existing decompression water entry test process usually performs a water entry test once with decompression, that is, each water entry test requires a decompression operation in the tank, which greatly reduces the test efficiency when a large number of decompression water entry tests are performed, the present invention proposes a continuous bomb dropping device and a device and method for continuous water entry test of a projectile under a decompression environment.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A continuous bombing device, comprising:

[0006] Bracket;

[0007] A moving slide, the moving slide is fixedly arranged on the bracket;

[0008] The projectile release structure includes a supporting shell, a rotating wheel and a driving member, wherein the supporting shell is connected to the moving slide, and the moving slide can drive the projectile release structure to move in a vertical direction, the rotating wheel is rotatably arranged on the supporting shell, and the driving member is fixedly arranged on the supporting shell, the driving member is connected to the rotating wheel, and the driving member can drive the rotating wheel to rotate, the rotating wheel is provided with a plurality of projectile accommodating cavities, and the plurality of projectile accommodating cavities are arranged at intervals along the circumferential direction of the rotating wheel, and a projectile outlet opening is provided at the bottom of the supporting shell, and the projectile outlet opening is configured so that when the projectile accommodating cavity is connected to the projectile outlet opening and the connection portion is large enough for the projectile to pass through, the projectile in the projectile accommodating cavity separates from the projectile accommodating cavity and passes through the projectile outlet opening.

[0009] As a preferred solution of the above-mentioned continuous bomb dropping device, the continuous bomb dropping device also includes a guide rail and a pulley, the guide rail is fixedly arranged on the bracket, the pulley is fixedly arranged on the supporting shell, the pulley is slidably arranged on the guide rail, and the guide rail extends in the vertical direction.

[0010] As a preferred solution of the above-mentioned continuous bombing device, the continuous bombing device also includes a motor controller, the driving component is a stepper motor, the motor controller is connected to the stepper motor, and the motor controller can control the start and stop and speed of the stepper motor.

[0011] As a preferred solution of the above-mentioned continuous bombing device, an upper connecting shaft is provided above the rotating wheel, and the output end of the stepper motor is connected to the upper connecting shaft through a coupling.

[0012] As a preferred solution of the above-mentioned continuous bomb throwing device, the supporting shell includes an upper plate, a lower plate, a front side plate and a rear side plate, the upper plate, the front side plate, the lower plate and the rear side plate are fixedly connected in sequence by angle codes, the rotating wheel is located between the upper plate and the lower plate, and between the front side plate and the rear side plate, the moving slide is connected to the rear side plate, the driving member is connected to the upper plate, and the bullet discharge opening is arranged on the lower plate.

[0013] As a preferred solution of the above-mentioned continuous bombing device, a lower connecting shaft is provided below the rotating wheel, a connecting boss is fixedly provided on the lower plate, a connecting boss is provided with a connecting groove, and the lower connecting shaft is rotatably passed through the connecting groove.

[0014] As a preferred solution of the above-mentioned continuous bomb-dropping device, the bomb-discharging opening is fan-shaped.

[0015] The present invention also provides a device for testing continuous water entry of a projectile under a reduced pressure environment, comprising the above-mentioned continuous bomb dropping device, and also comprising a reduced pressure tank and a vacuum pump. The vacuum pump is connected to the reduced pressure tank, and the vacuum pump can suck the gas in the reduced pressure tank to achieve a reduced pressure environment in the reduced pressure tank. The continuous bomb dropping device is fixedly arranged in the reduced pressure tank.

[0016] As a preferred solution of the above-mentioned projectile continuous water entry test device under reduced pressure environment, the reduced pressure tank is provided with an observation window.

[0017] The present invention further provides a method for testing a projectile continuously entering water under a reduced pressure environment, using the above-mentioned projectile continuous entering water testing device under a reduced pressure environment, comprising:

[0018] S1: installing a plurality of elastic bodies in a plurality of elastic body accommodating cavities of a rotating wheel respectively;

[0019] S2: According to the required drop height of the projectile, adjust the moving slide to move the supporting shell to the required position;

[0020] S3: The driving member drives the rotating wheel to rotate at a set angle, so that the projectile accommodating chamber containing the projectile is connected with the projectile outlet opening and the connecting portion is large enough for the projectile to pass through, and the projectile falls vertically under the action of gravity;

[0021] S4: Determine whether the projectile needs to be released;

[0022] If yes, return to S3;

[0023] If not, the projectile release is completed.

[0024] Compared with the prior art, the continuous bombing device and the device and method for testing the continuous entry of a projectile into water under a reduced pressure environment provided by the present invention have the following beneficial effects:

[0025] 1. The present invention provides a continuous bombing device and a device and method for a continuous water entry test of a projectile under a reduced pressure environment. In the continuous bombing device, a plurality of projectile accommodating chambers are provided on the rotating wheel, each of which can accommodate a projectile. When the projectile accommodating chamber containing the projectile is not connected to the projectile opening, the projectile is blocked by the supporting shell and remains in the projectile accommodating chamber. When the driving member drives the rotating wheel to rotate, the projectile accommodating chamber containing the projectile of the rotating wheel is connected to the projectile opening and the connection is large enough for the projectile to pass through, the projectile falls vertically under the action of gravity, detaches from the projectile accommodating chamber, passes through the projectile opening, and thus completes a projectile release. Without changing the reduced pressure environment, if a projectile entry test is still required, the rotating wheel can be driven to rotate again by the driving member. When the next projectile accommodating chamber is connected to the projectile opening and the connection is large enough for the projectile to pass through, the projectile in the projectile accommodating chamber falls vertically, and the projectile release is completed again. This cycle is repeated until the projectile release is no longer required. The continuous bombing device can realize continuous and controllable release of multiple projectiles into water under the same decompression environment, that is, after the decompression tank is decompressed once, and without opening the decompression tank, solving the problems of low efficiency and inconsistent pressure control caused by multiple decompression operations required for multiple decompression water tests in the prior art. Moreover, the continuous bombing device has a compact structure, convenient projectile loading, safe, simple and reliable operation, a set of equipment can be used repeatedly, and the cost is low. While achieving the expected effect, it can fully improve the test efficiency and is suitable for various field applications.

[0026] 2. The present invention provides a continuous bomb dropping device and a device and method for testing the continuous entry of a projectile into water under a reduced pressure environment. In the continuous bomb dropping device, the moving slide can drive the projectile release structure to move in the vertical direction. The height of the projectile release structure can be adjusted according to the required projectile release height to achieve variable speed entry of the projectile into water.

[0027] 3. The present invention provides a continuous bombing device and a device and method for testing the continuous entry of projectiles into water under a reduced pressure environment. In the continuous bombing device, the size, number and position of the bullet-discharging openings and the size, number and position of the projectile-containing cavities of the rotating wheel can be designed to achieve the entry of different projectiles into water in a single or multiple form, and the effect of multiple projectiles entering water in a series or parallel manner under a reduced pressure environment can be achieved. The height of the release device can also be adjusted to achieve variable speed entry of the projectiles into water. For example, the size of the projectile-containing cavity can be changed so that the projectile-containing cavity can accommodate projectiles of different diameters; or, by changing the number of projectile openings, two or more projectile openings can be designed, and can be connected to two or more projectile-containing cavities at the same time, so that two or more projectiles can enter the water together. It is also possible to design multiple rotating wheels and support shells according to the release requirements of the projectiles, and when conducting the test, the required rotating wheels and support shells can be directly replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0029] Figure 1 It is a structural schematic diagram of a continuous bombing device provided by a specific embodiment of the present invention;

[0030] Figure 2 is an exploded structural diagram of a continuous bombing device provided by a specific embodiment of the present invention;

[0031] Figure 3 is a structural schematic diagram of a rotating wheel of a continuous bombing device provided by a specific embodiment of the present invention along a first viewing angle;

[0032] Figure 4 is a structural schematic diagram of a rotating wheel of a continuous bombing device provided by a specific embodiment of the present invention along a second viewing angle;

[0033] Figure 5 It is a partial structural schematic diagram of a continuous bombing device provided by a specific embodiment of the present invention;

[0034] Figure 6 It is a structural schematic diagram of an upper plate of a continuous bombing device provided by a specific embodiment of the present invention;

[0035] Figure 7 yes Figure 6 Section view along AA;

[0036] Figure 8 yes Figure 7 The enlarged view of point C;

[0037] Fig. 9 It is a structural schematic diagram of the lower plate of the continuous bombing device provided by a specific embodiment of the present invention;

[0038] Fig.10 yes Fig. 9 Sectional view along BB;

[0039] Fig.11 yes Fig.10 The enlarged view of D;

[0040] Fig.12 The structure of the test device for continuous entry of a projectile into water under reduced pressure provided by a specific embodiment of the present invention is shown in FIG. Figure 1 ;

[0041] Fig.13 The structure of the test device for continuous entry of a projectile into water under reduced pressure provided by a specific embodiment of the present invention is shown in FIG. Figure 2 .

[0042] In the figure:

[0043] 1. Bracket;

[0044] 2. Sports slide;

[0045] 3. Projectile release structure; 31. Driving member; 32. Support housing; 33. Rotating wheel; 321. Upper plate; 322. Front side plate; 323. Lower plate; 324. Rear side plate; 331. Projectile accommodating chamber; 332. Upper connecting shaft; 333. Lower connecting shaft;

[0046] 4. Guide rails;

[0047] 5. Pulley;

[0048] 6. Bullet ejection opening;

[0049] 7. Coupling;

[0050] 8. Connection slot;

[0051] 9. Connection hole;

[0052] 100. Pressure reducing tank; 101. Observation window. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely explain the technical solutions in the embodiments of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict, and the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0054] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] In the description of this embodiment, the terms "upper", "lower", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0057] See also Figure 1-13 The present invention provides a continuous bombing device and a device and method for testing a continuous projectile entering water under a reduced pressure environment. The continuous bombing device includes a bracket 1, a moving slide 2 and a projectile release structure 3. The moving slide 2 is fixedly arranged on the bracket 1. The projectile release structure 3 includes a support shell 32, a rotating wheel 33 and a driving member 31. The support shell 32 is connected to the moving slide 2. The moving slide 2 can drive the projectile release structure 3 to move in a vertical direction. The rotating wheel 33 is rotatably arranged on the support shell 32. The driving member 31 The driving member 31 is fixedly arranged on the supporting shell 32, and the driving member 31 is connected with the rotating wheel 33. The driving member 31 can drive the rotating wheel 33 to rotate. The rotating wheel 33 is provided with a plurality of projectile accommodating cavities 331, and the plurality of projectile accommodating cavities 331 are arranged at intervals along the circumferential direction of the rotating wheel 33. A projectile outlet opening 6 is arranged below the supporting shell 32, and the projectile outlet opening 6 is configured such that when the projectile accommodating cavity 331 is connected with the projectile outlet opening 6 and the connection portion is large enough for the projectile to pass through, the projectile in the projectile accommodating cavity 331 is separated from the projectile accommodating cavity 331 and passes through the projectile outlet opening 6.

[0058] In the continuous bombing device, a plurality of projectile accommodating chambers 331 are provided on the rotating wheel 33, and each projectile accommodating chamber 331 can accommodate a projectile. When the projectile accommodating chamber 331 containing the projectile is not connected to the projectile opening, the projectile is blocked by the supporting shell 32 and remains in the projectile accommodating chamber 331. When the driving member 31 drives the rotating wheel 33 to rotate, the projectile accommodating chamber 331 containing the projectile of the rotating wheel 33 is connected to the projectile opening and the connection is large enough for the projectile to pass through, the projectile falls vertically under the action of gravity, detaches from the projectile accommodating chamber 331, and passes through the projectile opening, thus completing a projectile release. Without changing the decompression environment, if a projectile immersion test is still required, the rotating wheel 33 can be driven to rotate by the driving member 31 again, and when the next projectile accommodating chamber 331 is connected to the projectile opening and the connection is large enough for the projectile to pass through, the projectile in the projectile accommodating chamber 331 falls vertically, completing the projectile release again, and the cycle continues until the projectile release is no longer required. Moreover, the moving slide 2 can drive the projectile release structure 3 to move in the vertical direction, and the height of the projectile release structure 3 can be adjusted according to the required projectile release height to realize the projectile entering the water at a variable speed. The continuous bombing device can realize the continuous and controllable release of multiple projectiles into the water under the same decompression environment, that is, after the decompression tank is decompressed once, and without opening the decompression tank, which solves the problems of low efficiency and inconsistent pressure control caused by multiple decompression operations required for multiple decompression water entry tests in the prior art. Moreover, the continuous bombing device has a compact structure, convenient projectile loading, safe, simple and reliable operation, a set of equipment can be used repeatedly, and the cost is low. While achieving the expected effect, the test efficiency can be fully improved, and it is suitable for various field applications.

[0059] In addition, according to the test requirements, by designing the size, number and position of the bullet-discharging opening 6 and the size, number and position of the bullet-holding cavity 331 of the rotating wheel 33, it is possible to achieve the effect of a single or multiple bullets of different diameters entering the water, and it is also possible to achieve the effect of multiple bullets entering the water in series or in parallel under a reduced pressure environment. For example, by changing the size of the bullet-holding cavity 331, the bullet-holding cavity 331 can accommodate bullets of different diameters; or, by changing the number of bullet openings, two or more bullet openings are designed, and can be connected to two or more bullet-holding cavities 331 at the same time, so that two or more bullets enter the water together. It is also possible to design multiple rotating wheels 33 and support shells 32 according to the requirements of bullet release, and when conducting tests, the required rotating wheels 33 and support shells 32 can be directly replaced.

[0060] Preferably, the bullet outlet opening 6 is fan-shaped. The center of the fan-shaped arc is at the center of the lower plate 323. When the bullet-containing cavity 331 of the rotating wheel 33 is connected with the bullet outlet opening 6, and the circumference of the bullet-containing cavity 331 is just tangent to the straight edge of the fan-shaped bullet outlet opening 6, the rotation stops, and the bullet falls vertically from the bullet-containing cavity 331 under the action of gravity, completing the release of the bullet.

[0061] Preferably, the support shell 32 includes an upper plate 321, a lower plate 323, a front side plate 322 and a rear side plate 324, the upper plate 321, the front side plate 322, the lower plate 323 and the rear side plate 324 are fixedly connected in sequence by angle brackets, the rotating wheel 33 is located between the upper plate 321 and the lower plate 323, and between the front side plate 322 and the rear side plate 324, the moving slide 2 is connected to the rear side plate 324, the driving member 31 is connected to the upper plate 321, and the ejection opening 6 is provided in the lower plate 323. It can be understood that the upper plate 321, the front side plate 322, the lower plate 323 and the rear side plate 324 are fixedly connected in sequence by angle brackets, the upper plate 321 and the rear side plate 324 are also fixedly connected by angle brackets, and the upper plate 321, the front side plate 322, the lower plate 323 and the rear side plate 324 form a rectangle. The angle bracket adopts an L-shaped angle bracket. The upper plate 321, the front side plate 322, the lower plate 323 and the rear side plate 324 are provided with through holes so as to be connected by bolts through angle brackets.

[0062] Preferably, the width of the upper plate 321 is slightly larger than the width of the stepper motor, so that the elastic body can be easily installed while supporting the stepper motor. The width of the upper plate 321 will not hinder the elastic body from being loaded into the elastic body accommodating cavity 331 of the rotating wheel 33.

[0063] Preferably, the continuous bomb-dropping device further comprises a guide rail 4 and a pulley 5, wherein the guide rail 4 is fixedly arranged on the bracket 1, the pulley 5 is fixedly arranged on the support shell 32, the pulley 5 is slidably arranged on the guide rail 4, and the guide rail 4 extends in the vertical direction. In this embodiment, the guide rail 4 is located opposite to the moving slide 2, that is, the projectile release structure 3 is located between the guide rail 4 and the moving slide 2, the pulley 5 is connected to the front side plate 322, and the moving slide 2 is connected to the rear side plate 324. It can be understood that the guide rail 4 is provided with a slide groove, and the pulley 5 is provided with a pulley, the pulley is located in the slide groove, and the pulley can move along the slide groove.

[0064] like Figure 6-8 As shown, preferably, the continuous bombing device also includes a motor controller, the driving member 31 is a stepper motor, the motor controller is connected to the stepper motor, and the motor controller can control the start and stop and the speed of the stepper motor. The rotation of the stepper motor is controlled by the motor controller. The center of the upper plate 321 of the supporting shell 32 is provided with a connecting hole 9 slightly larger than the diameter of the output shaft of the stepper motor, which can accommodate the output shaft of the stepper motor to pass through, and the outer periphery is a circular shallow groove with the same size as the shallow boss around the output shaft of the stepper motor, and through holes are opened around the circular shallow groove, which are used to connect with the four corners of the stepper motor by bolts.

[0065] like Figure 1-3 As shown, preferably, an upper connecting shaft 332 is provided above the rotating wheel 33 , and the output end of the stepper motor is connected to the upper connecting shaft 332 via a coupling 7 .

[0066] like Figure 4 and Figure 9-11 As shown, preferably, a lower connecting shaft 333 is provided below the rotating wheel 33, a connecting boss is fixedly provided on the lower plate 323, a connecting boss is provided on the connecting boss, and a connecting groove 8 is provided on the lower connecting shaft 333 so as to be rotatably passed through the connecting groove 8. A chamfer is provided at the lower end of the lower connecting shaft 333, which is convenient for installation and can reduce friction when the rotating wheel 33 rotates. The depth of the connecting groove 8 is consistent with the length of the lower connecting shaft 333 of the rotating wheel 33, and can accommodate the lower connecting shaft 333 of the fixed rotating wheel 33, thereby reducing friction between the rotating wheel 33 and the lower plate 323.

[0067] During actual use, the inner diameter of the projectile accommodating cavity 331 of the rotating wheel 33 is determined according to the geometric dimensions of the projectile, and the number of projectile accommodating cavities 331 of the rotating wheel 33 is determined according to the requirements of bomb dropping, thereby further determining the size of the rotating wheel 33; the size of the supporting shell 32 is determined according to the size of the rotating wheel 33; the model of the moving slide 2 and the size of the bracket 1 are determined according to the size and mass of the rotating wheel 33 and the supporting shell 32; the height of the bracket 1 and the position of the moving slide 2 are adjusted according to the speed requirements of entering the water.

[0068] The present invention also provides a device for testing the continuous entry of a projectile into water under a reduced pressure environment, comprising the above-mentioned continuous bombing device, and also comprising a reduced pressure tank 100 and a vacuum pump, wherein the vacuum pump is connected to the reduced pressure tank 100, and the vacuum pump can suck the gas in the reduced pressure tank 100 to achieve a reduced pressure environment in the reduced pressure tank 100, and the continuous bombing device is fixedly arranged in the reduced pressure tank 100. The vacuum pump sucks the gas in the reduced pressure tank 100 to achieve reduced pressure, and the pressure in the tank is read in real time by a pressure gauge connected thereto. The bracket 1 is connected to the lifting ear in the reduced pressure tank 100 to fix the continuous bombing device in the reduced pressure tank 100. The wires of the stepper motor pass through the through hole on the reduced pressure tank cover and are connected to the power supply and the stepper motor controller.

[0069] Preferably, the decompression tank 100 is provided with an observation window 101. Through the observation window 101, the situation inside the decompression tank 100 can be seen.

[0070] The present invention further provides a method for testing a projectile continuously entering water under a reduced pressure environment, using the above-mentioned projectile continuous entering water testing device under a reduced pressure environment, comprising:

[0071] S1: Install multiple projectiles in multiple projectile accommodating chambers 331 of the rotating wheel 33. S2: According to the required projectile drop height, adjust the moving slide 2 to move the supporting shell 32 to the required position. The required projectile drop height can be determined according to the projectile entry speed requirement.

[0072] In this embodiment, the moving slide 2 is manually adjusted. After the moving slide 2 is adjusted, the continuous bombing device can be installed in the pressure reducing tank 100, and the pressure in the tank is adjusted by the vacuum pump until the environment in the tank reaches the desired environment.

[0073] In other embodiments, the movable slide 2 can be electrically adjusted, and the movable slide 2 can be adjusted before or after the continuous bombing device is installed in the pressure reducing tank 100 .

[0074] S3: The driving member 31 drives the rotating wheel 33 to rotate to a set angle, so that the projectile accommodating chamber 331 containing the projectile is connected with the projectile outlet opening 6 and the connecting portion is large enough for the projectile to pass through. Under the action of gravity, the projectile falls vertically.

[0075] S4: Determine whether the projectile needs to be released; if so, return to S3; if not, complete the projectile release.

[0076] Obviously, the embodiments of the present invention disclosed above are only used to help illustrate the present invention. The embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. According to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can understand and use the present invention well. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A continuous bombing device, characterized in that: include: Bracket (1); A moving slide (2), wherein the moving slide (2) is fixedly arranged on the bracket (1); The projectile release structure (3) comprises a support shell (32), a rotating wheel (33) and a driving member (31), wherein the support shell (32) is connected to the moving slide (2), and the moving slide (2) can drive the projectile release structure (3) to move in a vertical direction, the rotating wheel (33) is rotatably arranged on the support shell (32), the driving member (31) is fixedly arranged on the support shell (32), the driving member (31) is connected to the rotating wheel (33), and the driving member (31) can drive the rotating wheel (33) to move in a vertical direction. 33) rotates, the rotating wheel (33) is provided with a plurality of projectile accommodating cavities (331), the plurality of projectile accommodating cavities (331) are arranged at intervals along the circumferential direction of the rotating wheel (33), a projectile outlet opening (6) is provided below the supporting shell (32), the projectile outlet opening (6) is configured such that when the projectile accommodating cavity (331) is connected with the projectile outlet opening (6) and the connection portion is large enough for the projectile to pass through, the projectile in the projectile accommodating cavity (331) is separated from the projectile accommodating cavity (331) and passes through the projectile outlet opening (6).

2. The continuous bombing device according to claim 1, characterized in that: It also comprises a guide rail (4) and a pulley (5), wherein the guide rail (4) is fixedly arranged on the bracket (1), the pulley (5) is fixedly arranged on the supporting shell (32), the pulley (5) is slidably arranged on the guide rail (4), and the guide rail (4) extends in a vertical direction.

3. The continuous bombing device according to claim 1, characterized in that: It also includes a motor controller, the driving component (31) is a stepping motor, the motor controller is connected to the stepping motor, and the motor controller can control the start and stop and the rotation speed of the stepping motor.

4. The continuous bombing device according to claim 3, characterized in that: An upper connecting shaft (332) is provided above the rotating wheel (33), and the output end of the stepping motor is connected to the upper connecting shaft (332) via a coupling (7).

5. The continuous bombing device according to claim 1, characterized in that: The supporting shell (32) comprises an upper plate (321), a lower plate (323), a front side plate (322) and a rear side plate (324); the upper plate (321), the front side plate (322), the lower plate (323) and the rear side plate (324) are fixedly connected in sequence by angle brackets; the rotating wheel (33) is located between the upper plate (321) and the lower plate (323), and between the front side plate (322) and the rear side plate (324); the moving slide (2) is connected to the rear side plate (324); the driving member (31) is connected to the upper plate (321); and the ejection opening (6) is arranged on the lower plate (323).

6. The continuous bombing device according to claim 5, characterized in that: A lower connecting shaft (333) is provided below the rotating wheel (33), a connecting boss is fixedly provided on the lower plate (323), a connecting boss is provided with a connecting groove (8), and the lower connecting shaft (333) is rotatably inserted into the connecting groove (8).

7. The continuous bombing device according to claim 1, characterized in that: The ejection opening (6) is in a fan-shaped shape.

8. A device for testing the continuous entry of a projectile into water under a reduced pressure environment, characterized in that: The continuous bomb dropping device comprises the continuous bomb dropping device as claimed in any one of claims 1 to 7, and further comprises a pressure reducing tank (100) and a vacuum pump, wherein the vacuum pump is connected to the pressure reducing tank (100), and the vacuum pump can suck the gas in the pressure reducing tank (100) to achieve a pressure reducing environment in the pressure reducing tank (100), and the continuous bomb dropping device is fixedly arranged in the pressure reducing tank (100).

9. The device for testing the continuous entry of a projectile into water under a reduced pressure environment according to claim 8, characterized in that: The decompression tank (100) is provided with an observation window (101).

10. A method for testing continuous water entry of a projectile under reduced pressure, characterized in that: The device for testing the continuous entry of a projectile into water under a reduced pressure environment according to claim 8 or 9 comprises: S1: installing a plurality of elastic bodies in a plurality of elastic body accommodating chambers (331) of a rotating wheel (33) respectively; S2: According to the required falling height of the projectile, the moving slide (2) is adjusted to move the supporting shell (32) to the required position; S3: The driving member (31) drives the rotating wheel (33) to rotate at a set angle, so that the projectile accommodating chamber (331) containing the projectile is connected with the projectile outlet opening (6) and the connecting portion is large enough for the projectile to pass through, and under the action of gravity, the projectile falls vertically; S4: Determine whether the projectile needs to be released; If yes, return to S3; If not, the projectile release is completed.

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