Submersible mold hoisting device for underwater explosion experiment

Abstract

The invention discloses a submerged mold hoisting device for an underwater explosion experiment, and belongs to the technical field of ship and ocean engineering. Comprising a buoy located on the water surface, a fixed sliding rail, a submerged formwork hoisting device and an explosive hoisting device. The fixed sliding rail is connected with the buoy through a steel cable and located under the water surface. Two submerged mold hoisting devices and an explosive hoisting device are mounted below the fixed sliding rail in a sliding manner; the explosive hoisting device is positioned between the two submerged mold hoisting devices; a submerged formwork is connected between the two submerged formwork hoisting devices, and the lengths of the submerged formwork hoisting devices and the explosive hoisting devices and the positions of the submerged formwork hoisting devices and the explosive hoisting devices on the fixed sliding rails are determined according to the size of the submerged formwork, the equivalent weight of explosives and the positions of the explosives. According to the invention, the model can be moved horizontally and vertically, the relative position and included angle between the submerged model and the explosive can be effectively controlled, accurate positioning is realized, and the safety performance of the structure is also improved through the double-cylinder and double-rod design of the explosive hoisting device, so that the efficiency of the submerged model experiment is improved, and the development of related industries is promoted.

Description

Technical Field

[0001] The invention belongs to the technical field of ship and ocean engineering, and particularly relates to a manipulation and control device for an underwater explosion test model. Background Art

[0002] With the rapid development of shipbuilding and marine engineering technology, a relatively comprehensive theoretical framework has been established for underwater explosion testing of surface ships, and related test methods and facilities are relatively mature. However, research on the explosion and shock resistance of submersibles started relatively late, resulting in insufficient accumulation of submersible model test data and a relatively lagging development of related test facilities.

[0003] When it comes to complex equipment, the operation and maintenance of existing latent mold test equipment is highly dependent on professionals, which not only increases labor costs, but also significantly increases construction costs and maintenance expenses. When it comes to complex working conditions, most existing test equipment has a single control method and can usually only simulate specific motion conditions, making it difficult to fully cover the diversity of actual working conditions. For example, when simulating the relative position of the latent mold and explosives, the control accuracy and convenience of existing equipment are insufficient, making it difficult to achieve high-precision dynamic adjustment. This limitation leads to deviations between test results and actual working conditions, affecting the accuracy and reliability of the data. In particular, in tests that require precise control of the relative position of the latent mold and explosives, the shortcomings of existing equipment are more obvious, limiting the effectiveness and scope of application of the test.

[0004] In summary, the current latent model test equipment has significant deficiencies in complex equipment operation, complex working condition simulation, and high-yield explosive testing. These problems urgently need to be further improved through technical improvements and device optimization to enhance the safety, accuracy, and reliability of the test. Summary of the Invention

[0005] The purpose of the present invention is to provide a manipulation and control device for an underwater explosion test model, and in particular to an underwater explosion test manipulation and control device which is controllable for latent models of different sizes and explosive positions.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] A submersible model hoisting device for underwater explosion experiments comprises a buoy located on the water surface, a fixed sliding rail, a submersible model hoisting device and an explosive hoisting device; the fixed sliding rail is connected to the buoy via a steel cable and is located below the water surface; two submersible model hoisting devices and an explosive hoisting device are slidably mounted below the fixed sliding rail; the explosive hoisting device is located between the two submersible model hoisting devices; a submersible model is connected between the two submersible model hoisting devices, and the lengths of the submersible model hoisting devices and the explosive hoisting devices, as well as their positions on the fixed sliding rail, are determined according to the size of the submersible model, the explosive equivalent and the position.

[0008] Furthermore, the fixed sliding rail includes a sliding rail fixing arm, a sliding rail, a lifting ear and a limit screw; the sliding rail fixing arm is fixedly connected to both ends of the sliding rail, and a slider is provided on the sliding rail; a groove penetrating the surface is provided in the middle of the upper surface of the sliding rail fixing arm, and the limit screw is inserted into or out of the groove to control the position of the slider and the explosive lifting device by loosening or tightening the limit screw; the lifting ears are symmetrically arranged along the upper ends of the front and rear side surfaces of the sliding rail fixing arm, extending from both ends to the middle, and N are arranged at uniform intervals to form a stable load-bearing point; the lifting ears are integrally formed with the sliding rail fixing arm; the steel cable passes through the lifting ears.

[0009] Furthermore, the slide rail fixing arm is semi-I-shaped, the groove on the upper surface is rectangular, and the groove width is determined by the diameter of the limit screw; the slide rail is T-shaped, and its upper surface is provided with an array of rectangular grooves, and the width and depth of the groove are determined by the diameter and length of the limit screw.

[0010] Furthermore, the two latent mold lifting devices each include an upper latent mold lifting rod, a lower latent mold lifting rod, a sliding end, an upper screw limiter, a lower screw limiter, a latent mold fixed end, a screw and a threaded rod; the sliding end is installed at the upper end of the upper latent mold lifting rod, and the sliding end is slidably connected to the slide rail through a slider; the lower end of the upper latent mold lifting rod is an upper screw limiter end, and is connected to a threaded rod; the upper end of the lower latent mold lifting rod is a lower screw limiter end, corresponding to the upper screw limiter end; the lower latent mold lifting rod is a hollow structure, and the hollow inner surface is a threaded groove that cooperates with the threaded rod; the lower end of the lower latent mold lifting rod is provided with a latent mold fixed end.

[0011] Furthermore, the upper and lower submersible mold hoisting rods are initially fixed by threaded rods; the secondary fixation is that a plurality of circular through holes are provided on the upper and lower screw limiters, and the screws are fixed by passing through the corresponding through holes.

[0012] Furthermore, the sliding end is completely penetrated by a T-shaped groove, the size of the groove matches the size of the rail, and a sliding block is provided between the groove and the sliding rail.

[0013] Furthermore, the explosive hoisting device includes an upper explosive hoisting rod, a lower explosive hoisting rod, an explosive self-rotating end, an upper explosive fixed rotating rod and a lower explosive fixed rotating rod; the upper explosive hoisting rod is a hollow cylinder, which is sleeved on the lower explosive hoisting rod, and the upper and lower explosive hoisting rods are provided with a plurality of matching circular through holes, in which fixing screws are installed; the upper end of the upper explosive hoisting rod is the explosive rod sliding end, and the explosive rod sliding end is slidably connected to the slide rail through a slider; the upper end of the explosive self-rotating end is fixedly connected to the lower explosive hoisting rod, and the lower end is rotationally connected to the upper end of the upper explosive fixed rotating rod through an axis; the lower explosive fixed rotating rod is rotationally connected to the lower end of the upper explosive fixed rotating rod through an axis.

[0014] Furthermore, the sliding end of the explosive rod is completely penetrated by a T-shaped groove, the size of the groove matches the size of the rail, and a sliding block is provided between the groove and the sliding rail.

[0015] Furthermore, explosives and detonating cords are fixed at the front end of the lower explosive fixing rotating rod.

[0016] Furthermore, a sensor and a safety rope are installed on the latent mold.

[0017] The beneficial effects of the present invention are:

[0018] The present invention has a simple structure, reasonable layout, strong operability and can accurately control the relative position of the latent model and the explosive. The model can be moved horizontally and vertically, and the relative position and angle between the latent model and the explosive can be effectively controlled to achieve precise positioning, which greatly saves the financial and material resources consumed in installation and positioning. The double-tube and double-rod design of the explosive lifting device also greatly improves the safety performance of the structure, can greatly improve the efficiency of the latent model experiment, and promote the development of related industries. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall schematic diagram of the experiment;

[0020] Figure 2 is the overall schematic diagram of the device;

[0021] Figure 3 This is the structural diagram of the upper submersible mold hoisting rod;

[0022] Figure 4 It is the lower submersible mold hoisting rod structure;

[0023] Figure 5 It is the structure for lifting the explosives;

[0024] Figure 6 It is the structure for lifting the explosives;

[0025] Figure 7 A rotating rod structure for securing explosives;

[0026] Figure 8 It is a tooth-shaped nail structure;

[0027] Figure 9 This is a schematic diagram of the installation of explosives at the bottom of the latent mold;

[0028] Figure 10 This is a schematic diagram of the installation of explosives on the latent mold top;

[0029] Figure 11 Schematic diagram of the rotation of the explosive rod. DETAILED DESCRIPTION

[0030] The present invention will be further described below with reference to the accompanying drawings.

[0031] The present invention is described in more detail below with reference to the accompanying figures. Based on conventional underwater submersible model explosion experiments, this invention designs a device for precise positioning and control of submersible model explosions. This submersible model hoisting device requires the use of a buoy for testing. The device is bilaterally symmetrical, so only one side is described.

[0032] like Figure 1 As shown, the present invention provides a submersible model hoisting device for underwater explosion experiments, comprising a float 50, a fixed sliding rail, two submersible model hoisting devices 53 and an explosive hoisting device; the submersible model hoisting device 53 is provided with buoyancy by the float 50, and the fixed sliding rail is connected to the float 50 by a steel cable 52; two submersible model hoisting devices 53 and an explosive hoisting device are slidingly installed below the fixed sliding rail; the explosive hoisting device is located between the two submersible model hoisting devices 53; a submersible model 54 is connected between the two submersible model hoisting devices 53, and the lengths of the submersible model hoisting devices 53 and the explosive hoisting devices as well as their positions on the fixed sliding rail are determined according to the size, explosive equivalent and position of the submersible model 54; the submersible model hoisting devices 53 and the explosive hoisting devices are fixed end to end to the submersible model 54.

[0033] like Figure 2 、 3 As shown in Figure 4, the fixed sliding rail includes a sliding rail fixing arm 2, a sliding rail 3, a lifting lug 61 and a limit screw 16; the two latent mold hoisting devices 53 are exactly the same, and each latent mold hoisting device 53 includes an upper latent mold hoisting rod 4, a lower latent mold hoisting rod 5, a sliding end 8, an upper screw limiter 35, a lower screw limiter 36, a latent mold fixed end 31, a screw 7 and a threaded rod 34; the sliding rail fixing arm 2 is semi-I-shaped, and its upper surface is provided with a rectangular groove that completely penetrates the surface and a plurality of lifting lugs 61, and the width of the rectangular groove is determined by the diameter of the limit screw 16. The sliding rail 3 is T-shaped, and its upper surface is provided with an array of rectangular grooves, and the width and depth of the grooves are determined by the diameter and length of the limit screw 16. The latent mold hoisting rod 4 and the explosive hoisting rod 30 can slide along the sliding rail 3, and a circular threaded through hole is provided at the center of the top of the sliding end of each rod, and the radius of the through hole is determined by the radius of the limit screw 16. The movement of the slider is controlled by loosening or tightening the limit screw 16 so that the limit screw 16 is inserted into or removed from the groove on the slide rail 3. The slide rail fixing arm 2 is fixed to both ends of the slide rail 3 by welding.

[0034] The upper end of the upper submersible mold hoisting rod 4 is a sliding end 8, which is completely penetrated by a T-shaped groove. The groove size is determined by the slide rail 3. The lower end of the upper submersible mold hoisting rod 4 is a screw stop end 35 and a threaded rod 34. The screw stop end 35 is provided with a number of circular through-holes, the size of which is determined by the diameter of the screw 7. The threaded rod 34 is self-threaded. The upper end of the lower submersible mold hoisting rod 5 is a screw stop end 36, corresponding to the screw stop end 35. The center of the circular plane of this end is provided with an internal thread groove extending along the lower axis of the lower submersible mold hoisting rod. The depth and diameter of the groove are determined by the size of the threaded rod 34. The lower end of the lower submersible mold hoisting rod 5 is a submersible mold fixed end 31. Its main body is a rectangular block with a rectangular notch on the long side of the lower end and through-holes on the two short sides with matching screws 9. The upper latent mold lifting rod 4 and the lower latent mold lifting rod 5 are initially fixed by a threaded rod 34, and further fixed by using several screws 7 to pass through the corresponding through holes on the screw limit ends 35 and 36, and the upper latent mold lifting rod 4 and the lower latent mold lifting rod 5 are reinforced for the second time by using a screw, a nut 6 on the upper and lower surfaces of the screw limiters 35 and 36.

[0035] like Figure 2 、 5 As shown in Figures 6, 7 and 8, the explosive hoisting device includes an upper explosive hoisting rod 33, a lower explosive hoisting rod 12, an explosive self-rotating end 13, an upper explosive fixed rotating rod 14 and a lower explosive fixed rotating rod 15. The upper end of the upper explosive hoisting rod 33 is the explosive rod sliding end 30, and the manner of the slide rail 3 is similar to the sliding end 8 of the upper end of the upper latent mold hoisting rod 4; the upper explosive hoisting rod 33 below the explosive rod sliding end 30 is a hollow cylinder, and a plurality of circular through holes 32 are opened along the axial direction of the cylinder, and the size of the circular hole is determined by the diameter of the fixing screw 40. The lower explosive hoisting rod 12 is a solid cylinder, and a through hole corresponding to the through hole 32 of the upper explosive hoisting rod 33 is opened on it. The fixing screw 40 is passed through the corresponding through hole to fix the upper explosive hoisting rod 33 and the lower explosive hoisting rod 12. A threaded hole is located at the center of the contact surface between the lower explosive hoisting rod 12 and the explosive rotating end 13. The depth and diameter of the hole are determined by the fixing screw 37. A rectangular groove is defined at the lower end of the upper explosive fixing and rotating rod 14, while the upper end of the lower explosive fixing and rotating rod 15 is a rectangular block. The upper explosive fixing and rotating rod 14 can rotate along a first axis 10, while the lower explosive fixing and rotating rod 15 can rotate along a second axis 17. Both axes 10 and 17 are toothed screws, consisting of a nut 55, a toothed section 56, and a threaded section 57. The structures through which they pass are all toothed circular through-holes.

[0036] like Figure 9 、 10, 11, the specific application steps of the present invention are as follows: assemble on shore according to the specific experimental working conditions, the buoyancy of the float 50 shall not be less than 1.5 times the total mass of the fixed sliding rail, the submersible mold lifting device 53, the explosive lifting device and the submersible mold 54, and the length of the steel rope is calculated based on the weight of the submersible mold 54, the fixed sliding rail, the submersible mold lifting device 53, and the float 50, the experimental water depth, and the buoyancy that the float 50 can provide. The distance between the mold rods is adjusted by tightening the limit screws 16 according to the size of the mold 54. The mold rod extension is further determined based on the test explosive equivalent and position, and the upper mold hoisting rod 4 and the lower mold hoisting rod 5 are fixed twice. The extension of the lower explosive hoisting rod 12 is adjusted according to the explosive position, and the explosive self-rotating end 13 and the upper explosive fixing rotating rod 14 are adjusted to fix the end of the lower explosive fixing rotating rod 15 to the explosive position. The matching nut of the screw 9 is unscrewed, and the screw 9 is passed through the mold fixing hole and fixed to the lower mold hoisting rod 5 with the nut. A sensor is attached to the mold 54 and a safety rope is added. The buoy 50 is fixed to the lifting lug 61 with a steel rope. The explosive and detonating cord are fixed to the front end of the lower explosive fixing rotating rod 15 with a steel rope. Finally, the entire structure is hoisted into the water by a crane or other lifting device. After the water surface stabilizes, the experiment is carried out. At this time, only the buoy 50 is above the water surface 51.

[0037] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A submersible model hoisting device for underwater explosion experiments, characterized by: The invention comprises a buoy (50) located on the water surface, a fixed sliding rail, a latent mold hoisting device (53) and an explosive hoisting device; the fixed sliding rail is connected to the buoy (50) through a steel cable (52) and is located under the water surface; two latent mold hoisting devices (53) and an explosive hoisting device are slidably installed below the fixed sliding rail; the explosive hoisting device is located between the two latent mold hoisting devices (53); a latent mold (54) is connected between the two latent mold hoisting devices (53); the lengths of the latent mold hoisting device (53) and the explosive hoisting device and their positions on the fixed sliding rail are determined according to the size, explosive equivalent and position of the latent mold (54).

2. A latent mold hoisting device for underwater explosion experiment according to claim 1, characterized in that: The fixed sliding rail comprises a sliding rail fixing arm (2), a sliding rail (3), a lifting lug (61) and a limiting screw (16); the sliding rail fixing arm (2) is fixedly connected to both ends of the sliding rail (3), and a slider is provided on the sliding rail (3); a groove penetrating the surface is provided in the middle of the upper surface of the sliding rail fixing arm (2), and the limiting screw (16) is inserted into or out of the groove to control the position of the slider and the explosive lifting device by loosening or tightening the limiting screw (16); the lifting lug (61) is symmetrically arranged along the upper ends of the front and rear side surfaces of the sliding rail fixing arm (2), extending from the two ends to the middle, and N are arranged at uniform intervals to form a stable load-bearing point; the lifting lug (61) and the sliding rail fixing arm (2) are integrally formed; the steel cable (52) passes through the lifting lug (61).

3. The submersible model hoisting device for underwater explosion experiment according to claim 2, characterized in that: The slide rail fixing arm (2) is semi-I-shaped, and the groove on the upper surface is rectangular, and the groove width is determined by the diameter of the limit screw (16); the slide rail (3) is T-shaped, and an array of rectangular grooves is provided on its upper surface, and the width and depth of the groove are determined by the diameter and length of the limit screw (16).

4. A latent mold hoisting device for underwater explosion experiments according to claim 1 or 2, characterized in that: The two latent mold hoisting devices (53) each comprise an upper latent mold hoisting rod (4), a lower latent mold hoisting rod (5), a sliding end (8), an upper screw stopper (35), a lower screw stopper (36), a latent mold fixed end (31), a screw (7) and a threaded rod (34); the sliding end (8) is installed at the upper end of the upper latent mold hoisting rod (4), and the sliding end (8) is slidably connected to the slide rail (3) through a slider; the lower end of the upper latent mold hoisting rod (4) is an upper screw stopper (35) and is connected to the threaded rod (34); the upper end of the lower latent mold hoisting rod (5) is a lower screw stopper (36) corresponding to the upper screw stopper (35); the lower latent mold hoisting rod (5) is a hollow structure, and the hollow inner surface is a threaded groove that cooperates with the threaded rod (34); the lower end of the lower latent mold hoisting rod (5) is provided with a latent mold fixed end (31).

5. The latent mold hoisting device for underwater explosion experiment according to claim 4, characterized in that: The upper and lower submersible mold hoisting rods (4) and the lower submersible mold hoisting rods (5) are initially fixed by means of threaded rods (34); the secondary fixation is performed by correspondingly providing a plurality of circular through holes on the upper and lower screw stoppers (35, 36), and fixing is performed by screw rods (7) passing through the corresponding through holes.

6. The submersible model hoisting device for underwater explosion experiment according to claim 4, characterized in that: The sliding end (8) is completely penetrated by a T-shaped groove, the size of the groove matches the size of the rail (3), and a sliding block is provided between the groove and the slide rail.

7. A latent mold hoisting device for underwater explosion experiments according to claim 1 or 2, characterized in that: The explosive hoisting device comprises an upper explosive hoisting rod (33), a lower explosive hoisting rod (12), an explosive self-rotating end (13), an upper explosive fixed rotating rod (14) and a lower explosive fixed rotating rod (15); the upper explosive hoisting rod (33) is a hollow cylinder, which is sleeved on the lower explosive hoisting rod (12); the upper and lower explosive hoisting rods (33, 12) are provided with a plurality of matching circular through holes, and fixing screws (40) are installed in the through holes; the upper end of the upper explosive hoisting rod (33) is an explosive rod sliding end (30), and the explosive rod sliding end (30) is slidably connected to the slide rail (3) through a slider; the upper end of the explosive self-rotating end (13) is fixedly connected to the lower explosive hoisting rod (12), and the lower end is rotatably connected to the upper end of the upper explosive fixed rotating rod (14) through a shaft; the lower explosive fixed rotating rod (15) is rotatably connected to the lower end of the upper explosive fixed rotating rod (14) through a shaft.

8. The latent mold hoisting device for underwater explosion experiment according to claim 7, characterized in that: The sliding end (30) of the explosive rod is completely penetrated by a T-shaped groove, the size of the groove matches the size of the rail (3), and a sliding block is provided between the groove and the sliding rail.

9. The latent mold hoisting device for underwater explosion experiment according to claim 7, characterized in that: Explosives and detonating cords are fixed at the front end of the lower explosive fixing rotating rod (15).

10. The latent mold hoisting device for underwater explosion experiment according to claim 1, characterized in that: Sensors and safety ropes are installed on the latent mold (54).

Images