CN110853478A - Variable-angle high-speed transmitting device - Google Patents

Abstract

The invention discloses a variable-angle high-speed launching device, belonging to the research field of high-speed underwater vehicle underwater test; comprises a front bracket, a gun barrel bracket, a bracket system, a lifting system, a gas tank, a gas pipe and a rear cover of a launching gun; the front bracket and the bracket system are horizontally fixed and are used for supporting the whole launching device; the front end of the gun barrel support is hinged with the top end of the front support, and the rear end of the gun barrel support is supported by the support system, so that the rear end of the gun barrel support is inclined upwards relative to the front end of the gun barrel support; the inclination angle of the gun barrel support is adjusted by adjusting the height of the lifting frame; the gun barrel is fixed on the gun barrel bracket; the gas tank is fixed outside the other side of the support frame of the bracket system; one end of the air pipe is connected with the air tank through an electromagnetic valve, and the other end of the air pipe is connected with the gun barrel; the launching gun rear cover is arranged at the tail end of the gun barrel. The device can replace the transmitting tubes with different calibers, and has good universality, simple and safe operation.

Description

A variable-angle high-speed launcher

technical field

The invention belongs to the field of high-speed water entry test research of an underwater vehicle, in particular to a variable-angle high-speed launching device.

Background technique

The war in the new era has evolved into an all-round and three-dimensional war. Among them, the ocean, which accounts for 71% of the total area of the earth, is one of the main battlefields of war in the new era. At present, many military powers in the world are actively improving their maritime military strength and expanding their maritime armament advantages. Under the new international situation, the development of my country's naval weapons and equipment is particularly important. The experimental research on various types of underwater vehicles has also become an important link in the development of underwater weapons and equipment. Therefore, the variable-angle high-speed launch device for the high-speed water entry test of the underwater vehicle model is particularly important.

Under the background of the existing technology, in the "Experimental Research on the Penetration and Influencing Factors of the Supercavitation Model to Solid Media" in "Journal of Northwestern Polytechnical University", Vol. 36, No. 2, March 2015, Ф25mm The caliber air cannon is shown in Figure 6. Its high-pressure chamber is 200mm in diameter, 2m long, with a maximum firing pressure of 1Mpa, a firing tube of 4m long, and a firing speed range of 30 to 300m/s. Its launching device can only achieve horizontal angle launch, which generates excessive impact force during the launch process. The existing device lacks a stable high-speed launch device with an adjustable angle. The invention can meet the requirements of the water entry angle and entry speed of the underwater vehicle within a certain range, and fill the gap of the current experimental research launch device.

SUMMARY OF THE INVENTION

Technical problem to be solved:

In order to avoid the deficiencies of the prior art, the present invention proposes a variable-angle high-speed launching device, which can launch the aircraft model into the water at a certain angle and speed, and is used for the research on the impact load and the ballistic characteristics of the aircraft entering the water; The device has a simple and compact structure and good applicability.

The technical scheme of the present invention is: a variable-angle high-speed launching device, which is characterized in that it includes a front bracket, a gun barrel, a gun barrel bracket, a bracket system, a lifting system, a gas tank, a gas pipe and a rear cover of the launching gun; the front bracket and the bracket system is horizontally fixed to support the entire launching device; the front end of the gun barrel bracket is hinged with the top end of the front bracket, and its rear end is supported by the bracket system, so that the rear end of the gun barrel bracket is relative to the its front end slopes upward;

The support system includes a base plate and a support frame, and the support frame is vertically fixed on the base plate; the lift system includes a wire rope, a pulley, a lift frame and a winch, and the winch is fixed on one side of the support frame. , the pulley is fixed on the top of the support frame, the wire rope of the hoist suspends the lift frame in the support frame through the pulley, and the height of the lift frame is controlled by pulling the wire rope; The rear part of the gun barrel bracket is installed on the lifting frame, and the inclination angle of the gun barrel bracket is adjusted by adjusting the height of the lifting frame;

The gun barrel is fixed on the gun barrel bracket; the gas tank is fixed on the other side of the support frame of the bracket system; one end of the gas pipe is connected with the gas tank through a solenoid valve, and the other end is connected with the The gun barrel is connected; the rear cover of the launch gun is installed at the end of the gun barrel.

A further technical solution of the present invention is: the lift frame includes an upper support rod, a lower support rod, an intermediate support rod and a gun barrel support rod; the upper support rod and the lower support rod are parallel to each other through the two intermediate support rods Fixed, the rear part of the gun barrel bracket passes between the upper support rod and the lower support rod and is mounted on the lower support rod; two of the gun barrel support rods are vertically fixed to the lower support rod on the rod, for limiting the tangential displacement of the gun barrel support along the gun barrel;

Both ends of the upper support rod and the lower support rod are provided with roller structures, which are installed in cooperation with the chute opened on the two inner sides of the support frame in the vertical direction, which can limit the vertical movement of the lifting frame.

A further technical solution of the present invention is that: reinforcing ribs are provided on both sides of the support frame of the support system.

A further technical solution of the present invention is that: the gun barrel is fixed on the gun barrel bracket through U-shaped bolts.

A further technical solution of the present invention is: a through hole is opened at the center of the top of the support frame of the support system, and the wire rope passes through the through hole after passing through the pulley, so as to ensure that the lifting frame is located in the middle of the support system Location.

A further technical solution of the present invention is that: the upper support rod, the lower support rod and the middle support rod are all fixedly connected by U-shaped bolts, and the U-shaped bolts are tightened with nuts to prevent loosening.

beneficial effect

The beneficial effects of the present invention are: the variable-angle high-speed launching device proposed by the present invention can preset the launching angle through the lifting system when the front bracket and the launching bracket are fixed, so that the model can be inclined into the water at a maximum angle of 45 degrees; Adjust the inflation pressure of the gas tank to set the launch speed, load the model from the back end of the launch tube, and remotely control the launch by the solenoid valve, so that the test model is launched at the required angle and speed. When the model moves forward under the push of high-pressure gas in the launching gun barrel, the gun barrel will experience the recoil force F1 along the barrel axis at point C (point C is the front end of the gun barrel bracket and the center of the connection of the gun barrel); at point B (The contact between the lower support on the gun support system and the gun barrel) is subjected to the upward pulling force F2 of the wire rope; therefore, for point A (the connection between the front end of the gun barrel support and the front support), it is subjected to a moment M1 and M1=F1×L _CA ( L _CA is the distance between point A and point C) and the reverse moment M2 and M2=F2×L _AB (L _AB is the distance between point A and point B), M1=-M2, so as to realize the recoil force and moment The reasonable distribution of the front bracket and the bracket system makes the force distribution of the front bracket and bracket system reasonable, which ensures the stability of the launcher during the working process. The device of the invention can replace the launch tubes of different calibers, and has good versatility, simple and safe operation.

Description of drawings

Fig. 1 is the schematic diagram of the force analysis of the device of the present invention,

FIG. 2 is a schematic structural diagram of the present invention, showing the position of each component

Figure 3 is a schematic diagram of the lifting system and the support system

4 is a front view and a top view of a partial schematic diagram of the lifting system

Figure 5 is a sectional view of the U-bolt connection in the lifting system

Figure 6 shows the Ф25mm caliber air gun in the reference

Description of reference numerals: 1-front bracket, 2-barrel bracket, 3-barrel, 4-bracket system, 5-wire rope, 6-pulley, 7-lifting system, 8-air tank, 9-air pipe, 10- Cannon rear cover, 11- hoist, 12- upper support rod, 13- middle support rod, 14- gun barrel support rod, 15- lower support rod, 16- U-bolt.

Detailed ways

The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

As shown in Figure 2, a variable-angle high-speed launching device for this launch includes a front bracket 1, a gun barrel bracket 2, a gun barrel 3, a bracket system 4, a wire rope 5, a pulley 6, a lifting system 7, a gas tank 8, a gas pipe 9, The rear cover of the launch gun 10 and the hoist 11. The front bracket 1 and the bracket system 4 are welded by steel and are fixed on the ground horizontally to support the entire launcher; the bracket system 4 includes a base plate and a support frame, and the support frame is vertically fixed on the base plate; refer to FIG. 3 , the lifting system 7 includes a wire rope 5, a pulley 6, a lifting frame and a winch 11, the winch 11 is fixed on the left step surface of the support frame, the pulley 6 is fixed on the top of the support frame, and the steel wire rope 5 of the winch 11 passes through The pulley 6 suspends the lifting frame in the support frame, and controls the height of the lifting frame by pulling the wire rope 5; Passing through the through hole ensures that the lifting frame is located in the middle position of the support system.

4 and 5, the lift frame includes an upper support rod 12, a lower support rod 15, an intermediate support rod 13 and a gun barrel support rod 14; the upper support rod 12 and the lower support rod 15 pass through the two intermediate support rods 13 Fixed parallel to each other, the rear part of the gun barrel bracket 2 passes between the upper support rod 12 and the lower support rod 15 and is mounted on the lower support rod 15, and the upper support rod, the lower support rod and the middle support rod are all The U-bolts are fixed and connected, and the U-bolts are tightened with nuts to prevent loosening; both ends of the upper support rod 12 and the lower support rod 15 are provided with roller structures, which are vertically open with the inner sides of the support frame. The chute is installed together, which can restrict the lifting frame from moving up and down in the vertical direction;

The two gun barrel support rods 14 are vertically fixed on the lower support rod 15 to limit the tangential displacement of the gun barrel support 2 along the gun barrel 3; adjust the gun barrel support by adjusting the height of the lifting frame angle of inclination.

The gun barrel 3 is fixed to the gun barrel bracket 2 by the U-shaped bolt 16. The front end of the gun barrel bracket 2 is hingedly connected to the front bracket 1 by means of a screw rod, and its rear end is installed in the lifting system 4. At this time, the remote control equipment of the winch 11 is used. The screw on the front bracket can be used as a supporting point to adjust the gun barrel up and down to realize the variable angle function of the launching device.

The gas tank 8 is placed in the frame on the right side of the support system, and the gas tank has an external interface to connect with the air compressor to supplement high-pressure gas and connect a pressure gauge to display the pressure in the gas tank; one end of the gas pipe 9 is connected to the gas tank 8 through a solenoid valve, The other end is connected to the barrel 3. By filling the gas tank 8 with high-pressure gas, the launching device can push the test model out of the tube at a certain speed.

Installation and use process of the present invention:

First, install the launcher in a suitable test area, then use the remote control device of the hoist to adjust the launcher to a horizontal state for the operator to install, open the back cover of the launcher of the device, load it into the test model, and then screw on the back cover of the launcher , and then use the hoist's remote control device to adjust the launcher to the desired launch angle. Then use the external gas source to fill the gas tank with high-pressure gas of the specified pressure. The solenoid valve is opened by the launch control system, and the high-pressure gas in the gas tank enters the rear of the model, pushing the model to accelerate to the specified speed in the gun barrel and leave the tube to complete the launch task.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those of ordinary skill in the art will not depart from the principles and spirit of the present invention Variations, modifications, substitutions, and alterations to the above-described embodiments are possible within the scope of the present invention without departing from the scope of the present invention.

Claims (6)

1. A variable-angle high-speed transmitting device is characterized in that: comprises a front bracket, a gun barrel bracket, a bracket system, a lifting system, a gas tank, a gas pipe and a rear cover of a launching gun; the front bracket and the bracket system are horizontally fixed and are used for supporting the whole launching device; the front end of the gun barrel support is hinged with the top end of the front support, and the rear end of the gun barrel support is supported by the support system, so that the rear end of the gun barrel support is inclined upwards relative to the front end of the gun barrel support;

the support system comprises a bottom plate and a support frame, and the support frame is vertically fixed on the bottom plate; the lifting system comprises a steel wire rope, a pulley, a lifting frame and a winch, the winch is fixed outside one side of the supporting frame, the pulley is fixed at the top of the supporting frame, the steel wire rope of the winch enables the lifting frame to be hung in the supporting frame through the pulley, and the height of the lifting frame is controlled by dragging the steel wire rope; the rear part of the gun barrel support is arranged on the lifting frame, and the inclination angle of the gun barrel support is adjusted by adjusting the height of the lifting frame;

the gun barrel is fixed on the gun barrel bracket; the gas tank is fixed outside the other side of the support frame of the bracket system; one end of the air pipe is connected with the air tank through an electromagnetic valve, and the other end of the air pipe is connected with the gun barrel; the launching gun rear cover is arranged at the tail end of the gun barrel.

2. The variable angle high speed transmitting device of claim 1, wherein: the lifting frame comprises an upper supporting rod, a lower supporting rod, a middle supporting rod and a gun barrel frame supporting rod; the upper supporting rod and the lower supporting rod are fixed in parallel through the two middle supporting rods, and the rear part of the gun barrel support penetrates through the space between the upper supporting rod and the lower supporting rod and is lapped on the lower supporting rod; the two gun tube rack support rods are vertically fixed on the lower support rod and used for limiting the tangential displacement of the gun tube bracket along the gun tube;

the both ends of going up bracing piece and bottom suspension vaulting pole all are provided with the gyro wheel structure, with the spout cooperation installation of opening along vertical direction of two medial surfaces of braced frame can restrict the crane reciprocates along vertical direction.

3. The variable angle high speed transmitting device of claim 1, wherein: and reinforcing ribs are arranged on two sides of the supporting frame of the bracket system.

4. The variable angle high speed transmitting device of claim 1, wherein: the gun barrel is fixed on the gun barrel support through a U-shaped bolt.

5. The variable angle high speed transmitting device of claim 1, wherein: a through hole is formed in the center of the top of a supporting frame of the support system, and the steel wire rope passes through the through hole after passing through the pulley, so that the lifting frame is located in the middle of the support system.

6. The variable angle high speed transmitting device of claim 1, wherein: go up between bracing piece, the bottom suspension vaulting pole and the middle support bar all through U type bolt fixed connection, U type bolt uses the nut to screw in order to prevent not hard up.

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