CN113465876A - Multi-mode experimental launching device that entries - Google Patents
Multi-mode experimental launching device that entries Download PDFInfo
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- CN113465876A CN113465876A CN202110886044.9A CN202110886044A CN113465876A CN 113465876 A CN113465876 A CN 113465876A CN 202110886044 A CN202110886044 A CN 202110886044A CN 113465876 A CN113465876 A CN 113465876A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a multi-mode launching experiment launching device, and belongs to the technical field of fluid machinery engineering. The invention comprises a power device system, a sliding system, an attack angle adjusting and measuring system, a water inlet speed measuring system, a pitch angle adjusting system and a pitch angle measuring system. The subject was a structure. The power device system provides kinetic energy for the angle of attack adjusting and measuring system to slide forwards on the slide rail. The attack angle adjusting and measuring system is used for adjusting the water-entering rotation speed of the structure body and visually adjusting the water-entering attack angle. The pitch angle measuring system reads the underwater pitch angle in real time through the dial. The invention can simulate a multi-mode water inlet experiment and has the following functions: (1) the rotating speed of the structural body can be adjusted to rotate into water; (2) the underwater pitch angle and the underwater attack angle can be conveniently and quickly adjusted, and the angle change of the underwater pitch angle and the underwater attack angle can be read in real time; (3) the transmitting time speed of the structure body can be adjusted and accurately measured; (4) the device can be suitable for launching experiments of various structural bodies in water.
Description
Technical Field
The invention belongs to the technical field of fluid mechanical engineering, and particularly relates to a multi-mode launching device for a water inlet experiment.
Background
The problem of water entry is a classical problem of hydrodynamics and involves a solid-liquid-gas three-phase interaction. The problem of water ingress is of great concern for many engineering applications and natural phenomena, such as: airdrop missiles, forced landing on water, ship slamming, water drift, ricochet, and the like. Particularly, in military applications, the cross-medium sea warfare weapon capable of repeatedly crossing the water-air interface gradually receives wide attention due to higher anti-reconnaissance characteristics and penetration prevention capability. The water launching navigation body and the water surface have interaction, the mechanical environment of the navigation body is changed rapidly due to the obvious action of the water surface effect and the sudden change of the density of a fluid medium, and the navigation body rotates to generate considerable disturbance with the action of waves and ocean currents, so that the stability of the water launching attitude of the navigation body is influenced, and severe impact and vibration are generated. Therefore, through experimental research, hydrodynamic phenomena and mechanisms of the hydrodynamic phenomena in the process that the navigation body launches into water and passes through the water surface in different modes are fully known, the mechanisms of relevant hydrodynamic characteristics and structural response problems are revealed, and the hydrodynamic phenomenon and mechanism has important significance for improving the water launching posture and the ballistic stability of the navigation body and improving the accuracy of hitting targets.
At present, most researches on the water entering process of a structure body are focused on vertical water entering or non-rotation high-speed water entering, and the rotation water entering effect of a navigation body in the practical application process and the influence of the water entering angle and the speed attack angle on the water entering process of the structure body cannot be fully considered.
Disclosure of Invention
Aiming at the following defects existing in the water-entering experiment in the prior art: (1) the structure cannot be rotated into water; (2) the pitch angle of the structure body entering water and the attack angle (3) of the structure body entering water cannot be conveniently adjusted, and the speed of the structure body at the launching moment cannot be accurately measured. The invention aims to provide a multi-mode launching experiment launching device, which can realize the simulation of a multi-mode launching experiment and has the following functions: (1) the rotating speed of the structural body can be adjusted to rotate into water; (2) the underwater pitch angle and the underwater attack angle can be conveniently and quickly adjusted, and the angle change of the underwater pitch angle and the underwater attack angle can be read in real time through the dial disc; (3) the transmitting time speed of the structure body can be adjusted and accurately measured; (4) the device can be suitable for launching experiments of various structural bodies in water.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a multi-mode launching experiment launching device which comprises a power device system, a sliding system, an attack angle adjusting and measuring system, a launching speed measuring system, a pitch angle adjusting system and a pitch angle measuring system. The subject was a structure.
The power device system is used for providing kinetic energy sliding forwards on the sliding rail for the attack angle adjusting and measuring system. The power device system comprises an air compressor, a one-way valve, a high-pressure gas cylinder release device and a high-pressure gas cylinder release device starter. The air compressor is connected with the high-pressure gas cylinder through a one-way valve and a ventilation pipeline, the high-pressure gas cylinder is connected with the high-pressure gas cylinder release device through a ventilation hose, and the high-pressure gas cylinder release device is connected with a cylinder of the sliding system. The air compressor injects gas into the high-pressure gas cylinder through the one-way valve, so that the gas pressure in the high-pressure gas cylinder reaches the expected gas pressure, after the high-pressure gas cylinder releasing device starter is switched on, the high-pressure gas is rapidly discharged from the gas cylinder, and impacts a cylindrical target column on the attack angle adjusting and measuring system, so that the impact attack angle adjusting and measuring system instantly obtains kinetic energy sliding forwards on the slide rail.
The sliding system comprises a sliding rail, a connecting plate and a cylinder, wherein internal threads are respectively processed at two ends of the cylinder, and a slit with one end not completely communicated is processed above the cylinder. A bracket supporting plate of the pitching angle measuring system is fixedly connected with the sliding rail mounting platform; in order to realize free rotation of the sliding rail bracket, the sliding rail bracket is connected with a bracket supporting plate of the pitch angle measuring system through a pin and a bearing; the connecting plate is respectively fixedly connected with the slide rail, the cylinder and the slide rail bracket; the cylinder is in clearance fit with a rib plate of the attack angle adjusting system through the slit, the end of the cylinder which is not penetrated through the slit is in threaded connection with the high-pressure gas cylinder release device, and the end of the cylinder which is completely penetrated through the slit is in threaded connection with the cylinder sealing cover.
The attack angle adjusting and measuring system is used for adjusting the water entering rotation speed of the structure body and can visually adjust the water entering attack angle. The attack angle adjusting and measuring system comprises a sliding chute, a sliding plate, an attack angle indicating gasket, a supporting plate with a scale, an attack angle adjusting rod, a motor fixing clamping seat, a fixing electromagnet, a motor, a connecting plate, an elastic clamping device, a moving electromagnet, a motor connecting rod, a motor supporting plate, a spring, an electromagnet moving trigger switch, a rib plate and a target column. The sliding plate is fixedly connected with the target column through a rib plate, and the cylindrical target column is impacted by high-pressure gas to obtain kinetic energy sliding forwards on a sliding rail of the sliding system so as to drive the attack angle adjusting system to slide forwards and quickly on the sliding rail of the sliding system; the sliding groove is fixedly connected with the sliding plate, and the concave sliding groove is matched with the convex smooth sliding rail of the sliding rail, so that the sliding plate slides on the sliding rail in a low-friction manner; the support plate with the scale and the motor support plate are symmetrically fixed on the upper plane of the sliding plate; the motor is connected with the motor fixing clamping seat in an interference fit manner; in order to realize free pitching rotation of the front section of the motor, one end of a motor connecting rod is fixed on a motor fixing clamping seat, and the other end of the motor connecting rod is connected with a motor supporting plate through a bearing; one end of the attack angle indicating gasket is connected with the motor supporting plate, and the gasket connecting hole and the motor connecting rod are kept on the same axis; the non-threaded end of the angle of attack adjusting rod is fixed on the motor clamping seat, the end with the external thread of the angle of attack adjusting rod penetrates through the supporting plate with the scale and the angle of attack indicating gasket and slides in the slideway of the angle of attack adjusting rod, and the fastening nut is in threaded connection with the angle of attack adjusting rod to realize the position fixation of the angle of attack adjusting rod and the angle of attack indicating gasket; the electromagnet connecting plate is fixedly connected with a motor rotating shaft; the fixed electromagnet is fixedly connected with the electromagnet connecting plate; the fixed electromagnet is connected with the movable electromagnet through a spring; the movable electromagnet is fixedly connected with the elastic clamping device.
The water inlet speed measuring system comprises an electromagnet moving trigger switch, an electromagnet fixing trigger switch, a speed sensor and a sliding plate blocking support of an attack angle adjusting system. The sliding plate blocking support is fixedly connected with the sliding rail bracket; the speed sensor is fixedly connected with the sliding plate blocking support; the electromagnet moving trigger switch is fixedly connected with the sliding plate; the electromagnet fixing trigger switch is fixedly connected with the sliding plate blocking support.
The pitch angle adjusting system comprises a bracket connecting rod, a telescopic rod and a telescopic rod supporting plate, and the bracket is lifted through the telescopic rod. The telescopic rod supporting plate is fixedly connected with the sliding rail mounting platform; in order to realize the free rotation of the connecting block of the telescopic rod, the square connecting block at one end of the telescopic rod is connected with the supporting plate of the telescopic rod through a pin and a bearing, and the square connecting block at the other end of the telescopic rod is connected with the connecting rod of the bracket through a bearing; the two ends of the bracket connecting rod are fixedly connected with the bracket.
The pitch angle measuring system is used for reading the underwater pitch angle in real time through the dial. The pitch angle measuring system comprises a bracket supporting plate, a pitch angle pointer and a pitch angle scale dial. The pitch angle scale dial is fixedly connected with the slide rail mounting platform; the pitch angle pointer is fixedly connected with the sliding rail bracket, and the rotation point of the pitch angle pointer is coaxial with the rotation point of the bracket supporting plate.
The invention discloses a working method of a multi-mode launching experiment launching device, which comprises the following steps: placing the selected structural body for the water inlet experiment between the elastic clamping devices, and clamping the structural body by the elastic clamping devices under the thrust action of the springs; and adjusting the water attack angle of the structure body within the range of 0-60 degrees by adjusting the attack angle adjusting rod, and reading the selected attack angle value by indicating the scale of the tape scale supporting plate pointed by the gasket through the attack angle. The underwater pitch angle of the structure body is adjusted within the range of 0-60 degrees by adjusting the telescopic rod, and the selected pitch angle value is read through the scale of the pitch angle scale dial pointed by the pitch angle pointer. The member is brought to a predetermined rotational speed by adjusting the rotational speed of the motor. After the high-pressure gas cylinder is completely charged through the air compressor, the attack angle adjusting system is moved to the left end of the sliding rail to be contacted with the high-pressure gas cylinder releasing device. And (3) switching on a starter of the high-pressure gas cylinder releasing device, so that high-pressure gas is released instantaneously from the high-pressure gas cylinder, and the impact target column drives the attack angle adjusting system to integrally and rapidly slide along the slide rail. Before the sliding plate and the sliding plate block the support to impact, after the electromagnet moving trigger switch is contacted with the electromagnet fixing trigger switch, the electromagnet starts to work, the high-electromagnetic fixing electromagnet and the moving electromagnet are mutually adsorbed, so that the structural body suitable for the water inlet experiment is separated from the elastic clamping device, the structural body moves forwards at a certain speed at a set attack angle and a set pitch angle according to inertia and at a rotating speed which is the same as that of the motor, and the water inlet speed of the structural body is recorded through the speed sensor when the structural body blocks the support through the sliding plate.
Through adjusting motor rotation speed, income water pitch angle and income water attack angle, transmission moment speed, can realize the experimental transmission of multiple mode income of multiple structure, the multiple mode income water mode is including the oblique injection water, the structure is rotatory to be gone into the water, near the surface of water slip income water.
Has the advantages that:
1. according to the multi-mode launching device for the water inlet experiment, disclosed by the invention, through adjusting the rotating speed of the motor, the water inlet pitch angle, the water inlet attack angle and the launching time speed, the launching of the multi-mode water inlet experiment of various structures such as oblique launching of the structures, rotation of the structures into the water, and sliding of the structures close to the water surface into the water can be realized.
2. The multi-mode launching device for the water inlet experiment, disclosed by the invention, has the advantages that a system for adjusting the rotation speed of a motor, the water inlet pitch angle, the water inlet attack angle and the launching time speed is reasonably arranged, high integration is realized, and the experiment precision and efficiency are improved by combining a visual scale and a visual sensor.
3. According to the multi-mode launching experiment launching device, the structure can enter water at different speeds by adjusting the pressure in the high-pressure gas cylinder.
4. According to the multi-mode launching experiment launching device, the structure body can enter water at different pitching angles by adjusting the height of the telescopic rod.
5. According to the multi-mode launching device for the water inlet experiment, the structure body can enter water at different attack angles by adjusting the lifting height of the attack angle adjusting rod.
6. According to the multi-mode launching experiment launching device, the structure body can enter water at different rotating speeds by adjusting the rotating speed of the motor.
7. According to the multi-mode launching experiment launching device, the initial underwater pitch angle and the initial underwater attack angle of the structure body can be accurately read through the visual scale, the operation is simple, and the experiment reading precision and the experiment efficiency can be improved.
8. The multi-mode launching device for the water inlet experiment can flexibly replace the experiment structure body and realize the research of the water inlet experiment of various structure bodies.
Drawings
FIG. 1 is a schematic perspective view of an assembled multi-mode cross-medium water inlet experiment emitter according to the present invention;
FIG. 2 is an assembly view of the sliding system of the present invention;
FIG. 3 is an assembled view of the angle of attack adjustment system of the present invention;
FIG. 4 is an assembly view of the pitch angle adjustment system of the present invention;
FIG. 5 is an assembly view of the pitch angle measurement system of the present invention;
wherein, 1-air compressor, 2-check valve, 3-high pressure gas cylinder releaser, 4-high pressure gas cylinder releaser starter, 5.1-slide rail, 5.2-connecting plate, 5.3-cylinder, 6.1-chute, 6.2-slide plate, 6.3-attack angle indicating gasket, 6.4-tape ruler supporting plate, 6.5-attack angle adjusting rod, 6.6-motor fixing clamping seat, 6.7-fixing electromagnet, 6.8-motor, 6.9-connecting plate, 6.10-elastic clamping device, 6.11-moving electromagnet, 6.12-motor connecting rod, 6.13-motor supporting plate, 6.14-spring, 6.15-electromagnet moving trigger switch, 6.16-rib plate, 6.17-target column, 7-electromagnet fixing trigger switch, 8-speed sensor, 9-slide plate blocking bracket, 10-high pressure gas cylinder, 11-slide rail mounting platform, 12.1-bracket connecting rod, 12.2-bracket, 12.3-support plate, 13-slide rail bracket, 14.1-pitch angle pointer, 14.2-pitch angle scale dial, 14.3-bracket support plate, 15-cylinder sealing cover.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the multi-mode launching experiment launching device disclosed in this embodiment includes a power device system, a sliding system 5, an attack angle adjusting and measuring system 6, a launching speed measuring system, a pitch angle adjusting system 12, and a pitch angle measuring system 14, and as shown in fig. 1, an experimental object is a structural body;
the power plant system is used for providing kinetic energy for the angle of attack adjustment measuring system 6 to slide forwards on the slide rails 5.1. The power device system comprises an air compressor 1, a one-way valve 2, a high-pressure gas cylinder 10, a high-pressure gas cylinder release device 3 and a high-pressure gas cylinder release device starter 4. The air compressor 1 is connected with the high-pressure gas cylinder 10 through the one-way valve 2 and a ventilation pipeline, the high-pressure gas cylinder 10 is connected with the high-pressure gas cylinder release device 3 through a ventilation hose, and the high-pressure gas cylinder release device 3 is connected with a cylinder 5.3 of the sliding system 3. Selecting a proper air pressure range according to the target water entering speed of the structure body, injecting air into the high-pressure gas cylinder 10 through the one-way valve 2 by the air compressor 1 to enable the high-pressure gas cylinder 10 to reach the expected air pressure, rapidly discharging the high-pressure gas from the gas cylinder after the high-pressure gas cylinder releasing device starter 4 is switched on, and impacting a cylindrical target column 6.17 on the attack angle adjusting and measuring system 6 to enable the attack angle adjusting and measuring system 6 to instantly obtain the kinetic energy of forward sliding on a sliding rail, as shown in fig. 1;
the sliding system 5 comprises a sliding rail 5.1, a connecting plate 5.2 and a cylinder 5.3, wherein internal threads are respectively processed at two ends of the cylinder 5.3, and a slit with one end not completely communicated is processed above the cylinder. A bracket supporting plate 14.3 of the pitch angle measuring system 14 is fixedly connected with the slide rail mounting platform 11 through welding; in order to realize free rotation of the slide rail bracket 13, the slide rail bracket 13 is connected with a bracket supporting plate 14.3 of a pitch angle measuring system 14 through a pin and a bearing; the connecting plate 5.2 is fixedly connected with the slide rail 5.1, the cylinder 5.3 and the slide rail bracket 13 through welding respectively; the cylinder 5.3 is in clearance fit with a rib plate 6.16 of the attack angle adjusting system 6 through a slit, the non-through end of the slit of the cylinder 5.3 is in threaded connection with the high-pressure gas cylinder release device 3, and the completely through end of the slit of the cylinder 5.3 is in threaded connection with the cylinder sealing cover 15, as shown in fig. 2;
the attack angle adjusting and measuring system 6 is used for adjusting the water entering rotation speed of the structure body and can visually adjust the water entering attack angle. The attack angle adjusting and measuring system comprises a sliding chute 6.1, a sliding plate 6.2, an attack angle indicating gasket 6.3, a ruler supporting plate 6.4, an attack angle adjusting rod 6.5, a motor fixing clamping seat 6.6, a fixing electromagnet 6.7, a motor 6.8, a connecting plate 6.9, an elastic clamping device 6.10, a movable electromagnet 6.11, a motor connecting rod 6.12, a motor supporting plate 6.13, a spring 6.14, an electromagnet moving trigger switch 6.15, a rib plate 6.16 and a target column 6.17. The sliding plate 6.2 is fixedly connected with the target column 6.17 through a rib plate 6.16 by welding, and the cylindrical target column 6.17 is impacted by high-pressure gas to obtain initial kinetic energy which slides forwards on a sliding rail 5.1 of the sliding system 5 to slide forwards quickly; the sliding chute 6.1 is fixedly connected with the sliding plate 6.2 by welding, and the concave sliding chute 6.1 is matched with the convex smooth sliding rail 5.1 of the sliding rail, so that the sliding plate 6.2 slides on the sliding rail 5.1 in a low friction manner; the support plate 6.4 with the scale and the motor support plate 6.13 are fixed on the upper plane of the sliding plate 6.2 through bottom screws; the motor 6.8 is in interference fit with the motor fixing clamping seat 6.6 and is fixedly connected with the motor fixing clamping seat; in order to realize free pitching rotation of the front section of the motor 6.8, one end of a motor connecting rod 6.12 is fixed on the motor fixing clamping seat 6.6 through welding, and the other end of the motor connecting rod is connected with a motor supporting plate 6.13 through a bearing; one end of the attack angle indicating gasket 6.3 is connected with the motor support plate 6.13, and the gasket connecting hole and the motor connecting rod 6.12 are kept on the same axis; an angle of attack adjusting rod 6.5 is fixed on a motor cassette 6.6 without a thread end, the angle of attack adjusting rod 6.5 with an external thread end passes through a support plate 6.4 with a scale and an angle of attack indicating gasket 6.3, and slides in a slide way of the angle of attack adjusting rod, a fastening nut is connected with the angle of attack adjusting rod 6.5 through a thread, so that the angle of attack adjusting rod 6.5 and the angle of attack indicating gasket 6.3 are fixed after reaching target positions; the electromagnet connecting plate 6.9 is fixedly connected with a rotating shaft of a motor 6.8 through threads; the fixed electromagnet 6.7 is fixedly connected with the electromagnet connecting plate 6.9 through welding; the fixed electromagnet 6.7 is connected with the movable electromagnet 6.11 through a spring 6.14; the movable electromagnet 6.11 is fixedly connected with the elastic clamping device 6.10 in a gluing way, as shown in figure 3;
the water inlet speed measuring system comprises an electromagnet moving trigger switch 6.15, an electromagnet fixing trigger switch 7, a speed sensor 8 and a sliding plate blocking support 9 of an attack angle adjusting system 6. The sliding plate blocking support 9 is fixedly connected with the sliding rail bracket 13 through welding; the speed sensor 8 is fixedly connected with the sliding plate blocking support 9; the electromagnet moving trigger switch 6.15 is fixedly connected with the sliding plate; the electromagnet fixed trigger switch 7 is fixedly connected with the sliding plate blocking bracket 9, as shown in figure 1;
the pitch angle adjusting system 12 comprises a bracket connecting rod 12.1, an expansion rod 12.2 and an expansion rod supporting plate 12.3, and a bracket 13 is lifted through the expansion rod 12.2. The telescopic rod supporting plate 12.3 is fixedly connected with the slide rail mounting platform 11; in order to realize the free rotation of the connecting block of the telescopic rod 12.2, the square connecting block at one end of the telescopic rod 12.2 is connected with the telescopic rod supporting plate 12.3 through a pin and a bearing, and the square connecting block at the other end of the telescopic rod 12.2 is connected with the bracket connecting rod 12.1 through a bearing; the two ends of the bracket connecting rod 12.1 are fixedly connected with the bracket 13, as shown in fig. 4;
the pitch angle measuring system can read the underwater pitch angle in real time through the dial. The pitch angle measurement system 14 comprises a carriage support plate 14.3, a pitch angle pointer 14.1 and a pitch angle scale dial 14.2. The pitch angle scale dial 14.2 is fixedly connected with the slide rail mounting platform 11; the pitch angle pointer 14.1 is fixedly connected with the sliding rail bracket 13, and the rotation point of the pitch angle pointer 14.1 is coaxial with the rotation point of the bracket supporting plate 14.3, as shown in fig. 5.
The working method of the multi-mode launching experiment launching device disclosed by the embodiment comprises the following steps: placing the selected structural body for the water inlet experiment between the elastic clamping devices 6.10, and clamping the structural body by the elastic clamping devices 6.10 under the thrust action of the springs 6.14; the water attack angle of the structure body is adjusted within the range of 0-60 degrees by adjusting the attack angle adjusting rod 6.5, and the selected attack angle value is read by the scale of the tape scale supporting plate 6.4 pointed by the attack angle indicating gasket 6.3. The structure body underwater pitch angle is adjusted within the range of 0-60 degrees by adjusting the telescopic rod 12, and the selected pitch angle value is read through the scale of the pitch angle scale dial 14.2 pointed by the pitch angle pointer 14.1. The rotating speed of the motor 6.8 is adjusted to enable the component to reach a certain rotating speed. According to the target water inlet speed of the structure, selecting the air pressure range of high-pressure gas, and moving 6 the angle of attack adjusting system to the left end of the slide rail 5.1 to be contacted with the high-pressure gas cylinder release device 3 after the air compressor 1 finishes charging the high-pressure gas cylinder 10. The high-pressure gas cylinder releasing device starter 4 is connected, so that high-pressure gas is instantaneously released from the high-pressure gas cylinder 10 to impact the target column 6.17, and the attack angle adjusting system 6 is driven to integrally and rapidly slide forwards along the slide rail 5.1. Before the sliding plate 6.2 collides with the sliding plate blocking support 9, the electromagnet moving trigger switch 6.15 is firstly contacted with the electromagnet fixing trigger switch 7, the high-electromagnetic fixing electromagnet 6.7 and the moving electromagnet 6.11 are mutually adsorbed, so that the structural body is separated from the elastic clamping device 6.10, the structural body moves forwards at a certain speed at a set attack angle, a set pitch angle and a set rotating speed according to inertia, and when passing through the speed sensor 8, the transmitting speed of the structural body is recorded through the speed sensor 8.
Finally, it should be noted that the above is only for illustrating the technical solutions of the present invention, and those skilled in the art can modify the technical solutions of the present invention or substitute them with equivalent ones. All changes, equivalents, modifications and the like which come within the spirit and principle of the invention are desired to be protected.
Claims (3)
1. The utility model provides a multi-mode experimental transmitting device that entries which characterized in that: comprises a power device system, a sliding system (5), an attack angle adjusting and measuring system (6), a water inlet speed measuring system, a pitch angle adjusting system (12) and a pitch angle measuring system (14); the experimental object is a structural body;
the power device system is used for providing kinetic energy for the angle of attack adjusting and measuring system (6) to slide forwards on the sliding rail (5.1); the power device system comprises an air compressor (1), a one-way valve (2), a high-pressure gas cylinder (10), a high-pressure gas cylinder release device (3) and a high-pressure gas cylinder release device starter (4); the air compressor (1) is connected with the high-pressure gas cylinder (10) through the one-way valve (2) and a ventilation pipeline, the high-pressure gas cylinder (10) is connected with the high-pressure gas cylinder release device (3) through a ventilation hose, and the high-pressure gas cylinder release device (3) is connected with a cylinder (5.3) of the sliding system (3); the air compressor (1) injects gas into the high-pressure gas cylinder (10) through the one-way valve (2), so that the gas pressure in the high-pressure gas cylinder (10) reaches the expected gas pressure, after the high-pressure gas cylinder release device starter (4) is switched on, the high-pressure gas is rapidly discharged from the gas cylinder, and a cylindrical target column (6.17) on the impact attack angle adjusting and measuring system (6) enables the impact attack angle adjusting and measuring system (6) to instantly obtain the kinetic energy of forward sliding on the slide rail;
the sliding system (5) comprises a sliding rail (5.1), a connecting plate (5.2) and a cylinder (5.3), wherein internal threads are respectively processed at two ends of the cylinder (5.3), and a slit with one end not completely communicated is processed above the cylinder; a bracket supporting plate (14.3) of the pitch angle measuring system (14) is fixedly connected with the sliding rail mounting platform (11); in order to realize free rotation of the sliding rail bracket (13), the sliding rail bracket (13) is connected with a bracket supporting plate (14.3) of a pitch angle measuring system (14) through a pin and a bearing; the connecting plate (5.2) is respectively fixedly connected with the slide rail (5.1), the cylinder (5.3) and the slide rail bracket (13); the cylinder (5.3) is in clearance fit with a rib plate (6.16) of the attack angle adjusting system (6) through a slit, the non-through end of the slit of the cylinder (5.3) is in threaded connection with the high-pressure gas cylinder release device (3), and the full-through end of the slit of the cylinder (5.3) is in threaded connection with the cylinder sealing cover (15);
the attack angle adjusting and measuring system (6) is used for adjusting the water entering rotation speed of the structure body and can visually adjust the water entering attack angle; the attack angle adjusting and measuring system comprises a sliding chute (6.1), a sliding plate (6.2), an attack angle indicating gasket (6.3), a ruler-carrying supporting plate (6.4), an attack angle adjusting rod (6.5), a motor fixing clamping seat (6.6), a fixed electromagnet (6.7), a motor (6.8), a connecting plate (6.9), an elastic clamping device (6.10), a movable electromagnet (6.11), a motor connecting rod (6.12), a motor supporting plate (6.13), a spring (6.14), an electromagnet movable trigger switch (6.15), a rib plate (6.16) and a target column (6.17); the sliding plate (6.2) is fixedly connected with the target column (6.17) through a rib plate (6.16), the cylindrical target column (6.17) is impacted by high-pressure gas to obtain kinetic energy sliding forwards on a sliding rail (5.1) of the sliding system (5), and the attack angle adjusting system (6) is driven to slide forwards and rapidly on the sliding rail (5.1) of the sliding system (5); the sliding chute (6.1) is fixedly connected with the sliding plate (6.2), and the concave sliding chute (6.1) is matched with the convex smooth sliding rail (5.1) of the sliding rail, so that the sliding plate (6.2) slides on the sliding rail (5.1) in a low friction manner; the support plate (6.4) with the scale and the motor support plate (6.13) are symmetrically fixed on the upper plane of the sliding plate (6.2); the motor (6.8) is connected with the motor fixing clamping seat (6.6) in an interference fit manner; in order to realize free pitching rotation of the front section of the motor (6.8), one end of a motor connecting rod (6.12) is fixed on the motor fixing clamping seat (6.6), and the other end of the motor connecting rod is connected with a motor supporting plate (6.13) through a bearing; one end of the attack angle indicating gasket (6.3) is connected with the motor support plate (6.13), and the gasket connecting hole and the motor connecting rod (6.12) are kept on the same axis; the non-threaded end of the attack angle adjusting rod (6.5) is fixed on the motor clamping seat (6.6), the external threaded end of the attack angle adjusting rod (6.5) penetrates through the tape scale supporting plate (6.4) and the attack angle indicating gasket (6.3) and slides in the slide way of the attack angle adjusting rod, and the fastening nut is in threaded connection with the attack angle adjusting rod (6.5) to realize the position fixation of the attack angle adjusting rod (6.5) and the attack angle indicating gasket (6.3); the electromagnet connecting plate (6.9) is fixedly connected with a rotating shaft of the motor (6.8); the fixed electromagnet (6.7) is fixedly connected with the electromagnet connecting plate (6.9); the fixed electromagnet (6.7) is connected with the movable electromagnet (6.11) through a spring (6.14); the movable electromagnet (6.11) is fixedly connected with the elastic clamping device (6.10);
the water inlet speed measuring system comprises an electromagnet moving trigger switch (6.15), an electromagnet fixing trigger switch (7), a speed sensor (8) and a sliding plate blocking support (9) of an attack angle adjusting system (6); the sliding plate blocking support (9) is fixedly connected with the sliding rail bracket (13); the speed sensor (8) is fixedly connected with the sliding plate blocking support (9); the electromagnet moving trigger switch (6.15) is fixedly connected with the sliding plate; the electromagnet fixing trigger switch (7) is fixedly connected with the sliding plate blocking bracket (9);
the pitch angle adjusting system (12) comprises a bracket connecting rod (12.1), an expansion rod (12.2) and an expansion rod supporting plate (12.3), and the bracket (13) is lifted through the expansion rod (12.2); the telescopic rod supporting plate (12.3) is fixedly connected with the slide rail mounting platform (11); in order to realize the free rotation of the connecting block of the telescopic rod (12.2), the square connecting block at one end of the telescopic rod (12.2) is connected with the supporting plate (12.3) of the telescopic rod through a pin and a bearing, and the square connecting block at the other end of the telescopic rod (12.2) is connected with the bracket connecting rod (12.1) through a bearing; two ends of the bracket connecting rod (12.1) are fixedly connected with the bracket (13);
the pitch angle measuring system is used for reading the underwater pitch angle in real time through the dial disc; the pitch angle measuring system (14) comprises a bracket support plate (14.3), a pitch angle pointer (14.1) and a pitch angle scale dial (14.2); a pitch angle scale dial (14.2) is fixedly connected with the slide rail mounting platform (11); the pitch angle pointer (14.1) is fixedly connected with the sliding rail bracket (13), and the rotating point of the pitch angle pointer (14.1) is coaxial with the rotating point of the bracket supporting plate (14.3).
2. A multi-mode launch device for water ingress experiments according to claim 1 and wherein: the working method comprises the following steps: placing the selected structure body for the water inlet experiment between the elastic clamping devices (6.10), and clamping the structure body by the elastic clamping devices (6.10) under the thrust action of the springs (6.14); adjusting the water attack angle of the structure body in the range of 0-60 degrees by adjusting an attack angle adjusting rod (6.15), and reading the selected attack angle value by indicating the scale of a tape scale supporting plate (6.4) pointed by a gasket (6.3) through the attack angle; adjusting the underwater pitch angle of the structure body within the range of 0-60 degrees by adjusting the telescopic rod (12.2), and reading the selected pitch angle value through the scale of a pitch angle scale dial (14.2) pointed by a pitch angle pointer (14.1); the rotating speed of the motor (6.8) is adjusted to enable the component to reach the preset rotating speed; after the air compressor (1) is used for charging air into the high-pressure gas cylinder (10), the attack angle adjusting system (6) is moved to the left end of the sliding rail (5.1) to be contacted with the high-pressure gas cylinder release device (3); a starter (4) of a high-pressure gas cylinder release device is connected to instantly release high-pressure gas from a high-pressure gas cylinder (10), and an impact target column (6.17) drives the attack angle adjusting system (6) to integrally and rapidly slide along a slide rail (5.1); before a sliding plate (6.2) collides with a sliding plate blocking support (9), an electromagnet moving trigger switch (6.15) is contacted with an electromagnet fixing trigger switch (7), the electromagnet starts to work, the high-electromagnetic fixing electromagnet (6.7) and a moving electromagnet (6.11) are mutually adsorbed, so that a structural body suitable for a water inlet experiment is separated from an elastic clamping device (6.10), the structural body moves forwards at a certain speed at a set attack angle and a set pitch angle according to inertia and at the same rotating speed as a motor (6.8), and the water inlet speed of the structural body is recorded through a speed sensor (8) when the structural body blocks the support through the sliding plate.
3. A multi-mode launch device for water ingress experiments according to claim 1 or 2 and wherein: through adjusting motor rotation speed, income water pitch angle and income water attack angle, transmission moment speed, can realize the experimental transmission of multiple mode income of multiple structure, the multiple mode income water mode is including the oblique injection water, the structure is rotatory to be gone into the water, near the surface of water slip income water.
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