CN216278198U

CN216278198U - Pressurizing conveying device for liquid rocket engine storage tank

Info

Publication number: CN216278198U
Application number: CN202122488862.1U
Authority: CN
Inventors: 楚龙飞; 胡振宇; 吴晓飞
Original assignee: Beijing Lulk Spaceflight Technology Co ltd
Current assignee: Beijing Lulk Spaceflight Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-12
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a pressurizing conveying device for a liquid rocket engine storage tank, which comprises a pressurizing device body, one side of the supercharging device body is communicated with a liquid inlet pipe, an electromagnetic valve is arranged on the liquid inlet pipe, the top of the supercharging device body is fixedly connected with a shell, the inner wall of the top of the shell is provided with a motor, the utility model has simple structure, the electromagnetic valve is opened, the starting motor can drive the pressing plate to descend, the compressed fuel is conveyed into the engine through the Y-shaped pipe, when no liquid exists in the supercharging device body, clear water is injected into the supercharging device body through the air inlet, the cleaning brush plate can be driven by the pressure plate to move up and down to clean the inner wall of the supercharging device body, the flow rate of the fuel can be adjusted and the pressure can be increased by moving the sealing plate, so that the speed of the fuel reaching the engine is increased.

Description

Pressurizing conveying device for liquid rocket engine storage tank

Technical Field

The utility model relates to the technical field of liquid rockets, in particular to a pressurizing conveying device for a liquid rocket engine storage tank.

Background

The liquid rocket is a rocket with a liquid rocket engine as a power device, generally comprises a power device, a rocket body structure, a control system and other parts, and comprises a single-stage rocket and a multi-stage rocket, wherein the liquid rocket is mainly used as a propelling part of an aerospace vehicle and a guided missile nuclear weapon, the power device system of the liquid rocket is mainly composed of a propellant conveying and pressurizing system and the liquid rocket engine, and the propellant conveying and pressurizing system is an important system for ensuring the reliable work of the liquid rocket engine.

The engine is used as an important power source of the liquid rocket, fuel of the engine is placed in the storage tank, the fuel in the storage tank reaches the engine and needs to be conveyed by the additional conveying device, the pressurizing conveying device in the prior art does not have a self-cleaning function, a large amount of dirt in the storage tank is mixed into the fuel, the influence is caused on the engine using the fuel, and the liquid conveying speed is not fast enough, so the pressurizing conveying device for the storage tank of the liquid rocket engine is provided for solving the provided problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that a pressurizing conveying device in the prior art does not have a self-cleaning function and is not high enough in transfusion speed, and provides the pressurizing conveying device for the liquid rocket engine tank.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a pressurizing and conveying device for a liquid rocket engine storage tank comprises a pressurizing device body, wherein one side of the pressurizing device body is communicated with a liquid inlet pipe, an electromagnetic valve is installed on the liquid inlet pipe, the top of the pressurizing device body is fixedly connected with a shell, the inner wall of the top of the shell is provided with a motor, an output shaft of the motor is fixedly sleeved with a reciprocating lead screw, the reciprocating lead screw extends into the pressurizing device body and is rotatably connected with the inner wall of the bottom of the pressurizing device body, the outer wall of the reciprocating lead screw is sleeved with a pressing plate in a threaded manner, the side wall of the pressing plate is slidably connected with the inner wall of the pressurizing device body, two groups of limiting assemblies for preventing air from flowing out are arranged on the pressing plate, the bottom of the pressurizing device body is communicated with a Y-shaped pipe, and an adjusting assembly for adjusting the flowing speed of liquid is arranged on the Y-shaped pipe, and a drain pipe is communicated with one side of the supercharging device body, which is far away from the liquid inlet pipe, and a valve is arranged on the drain pipe.

Preferably, the limiting assembly comprises a through hole formed in the top of the pressing plate, a circular groove communicated with the through hole is formed in the bottom of the pressing plate, two limiting rods are symmetrically arranged on the inner wall of the top of the circular groove, the two limiting rods are connected with the same connecting plate in a penetrating and sliding mode, and the top of the connecting plate is fixedly connected with a sealing plug corresponding to the through hole.

Preferably, the adjusting part includes the U type mounting panel of fixed connection in Y type pipe one side, one side run through sliding connection of Y type pipe has the closing plate, the sealed conflict of liquid outlet of closing plate and Y type pipe, one side that the closing plate is close to U type mounting panel is rotated and is connected with the valve rod, valve rod and U type mounting panel run through threaded connection, the fixed cover of one end that the valve rod is located the U type mounting panel outside is equipped with the handle.

Preferably, the side wall of the pressing plate is provided with a cleaning brush plate, and one side of the cleaning brush plate is provided with bristles.

Preferably, two air inlet holes are symmetrically formed in the top of the supercharging device body.

Preferably, the outer wall of the reciprocating screw rod is fixedly sleeved with a limiting plate.

Preferably, the outer wall of the limiting rod is sleeved with a spring, the top end of the spring is fixedly connected with the inner wall of the top of the circular groove, and the bottom end of the spring is fixedly connected with the top of the connecting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, firstly, the electromagnetic valve is opened, the electromagnetic valve is connected with the storage tank through the liquid inlet pipe, liquid is injected into the supercharging device body, then the motor is started, the output shaft of the motor rotates to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the pressing plate to reciprocate up and down, the pressing plate can compress fuel in the supercharging device body when descending, the supercharging device body conveys air into the supercharging device body through the air inlet hole, the air enters the bottom of the pressing plate through the through hole, when the pressing plate is contacted with the fuel, the connecting plate is jacked up by the pressure of the fuel, the connecting plate compresses the spring, the sealing plug is driven to ascend, the through hole is sealed, the air in the supercharging device body is prevented from flowing out, and the internal pressure is increased.

2. According to the utility model, the Y-shaped pipe is connected with the engine to convey fuel into the engine, and the valve rod is rotated to push the sealing plate to move to partially seal the liquid outlet of the Y-shaped pipe, so that the flowing speed is accelerated, the pressure is increased, and the fuel can reach the inside of the engine more quickly.

3. According to the utility model, the electromagnetic valve and the sealing plate are closed, clear water is injected into the supercharging device body through the two air inlets, the clear water presses the sealing plug to remove the sealing of the sealing plug on the through hole, the sealing plug enters the supercharging device body, the spring is stretched, then the starting motor drives the pressing plate to reciprocate up and down, the pressing plate rotates to drive the cleaning brush plate to reciprocate up and down, the cleaning brush plate can move up and down to clean the inner wall of the supercharging device body, stains on the inner wall of the supercharging device body are removed, the valve is opened, and sewage in the supercharging device body can be discharged through the drain pipe.

The utility model has simple structure, the electromagnetic valve is opened, the starting motor can drive the pressure plate to descend to compress fuel and convey the fuel into the engine through the Y-shaped pipe, and when no liquid exists in the supercharging device body, clear water is injected into the supercharging device body through the air inlet, the cleaning brush plate can be driven by the pressure plate to move up and down to clean the inner wall of the supercharging device body, the flow speed of the fuel can be adjusted and the pressure can be increased by moving the sealing plate, and the speed of the fuel reaching the engine is accelerated.

Drawings

FIG. 1 is a three-dimensional schematic view of a pressurized delivery apparatus for a liquid rocket engine tank in accordance with the present invention;

FIG. 2 is a front cross-sectional view of a pressurized delivery device for a liquid rocket engine tank in accordance with the present invention;

FIG. 3 is an enlarged view of portion A of a pressurized delivery apparatus for a liquid rocket engine tank in accordance with the present invention;

FIG. 4 is an enlarged view of portion B of a pressurized delivery apparatus for a liquid rocket engine tank in accordance with the present invention.

In the figure: 1. a supercharging device body; 2. a housing; 3. a motor; 4. an air inlet; 5. a reciprocating screw rod; 6. a limiting plate; 7. cleaning the brush plate; 8. pressing a plate; 9. a liquid inlet pipe; 10. an electromagnetic valve; 11. a blow-off pipe; 12. a valve; 13. a Y-shaped pipe; 14. a through hole; 15. a sealing plug; 16. a spring; 17. a limiting rod; 18. a U-shaped mounting plate; 19. a valve stem; 20. a sealing plate; 21. a circular groove; 22. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, a pressurized conveying device for a liquid rocket engine tank comprises a pressurizing device body 1, a liquid inlet pipe 9 is communicated with one side of the pressurizing device body 1, an electromagnetic valve 10 is installed on the liquid inlet pipe 9, a housing 2 is fixedly connected with the top of the pressurizing device body 1, a motor 3 is arranged on the inner wall of the top of the housing 2, a reciprocating lead screw 5 is fixedly sleeved on an output shaft of the motor 3, the reciprocating lead screw 5 extends into the pressurizing device body 1 and is rotatably connected with the inner wall of the bottom of the pressurizing device body 1, a pressing plate 8 is sleeved on the outer wall of the reciprocating lead screw 5 in a threaded manner, the side wall of the pressing plate 8 is slidably connected with the inner wall of the pressurizing device body 1, two groups of limiting components for preventing air from flowing out are arranged on the pressing plate 8, a Y-shaped pipe 13 is communicated with the bottom of the pressurizing device body 1, and an adjusting component for adjusting the flowing speed of liquid is arranged on the Y-shaped pipe 13, one side of the supercharging device body 1, which is far away from the liquid inlet pipe 9, is communicated with a sewage discharge pipe 11, and a valve 12 is arranged on the sewage discharge pipe 11.

Example two

The embodiment is improved on the basis of the first embodiment: referring to fig. 1-4, a pressurized conveying device for a liquid rocket engine tank comprises a pressurizing device body 1, two air inlet holes 4 are symmetrically arranged at the top of the pressurizing device body 1, a liquid inlet pipe 9 is communicated with one side of the pressurizing device body 1, an electromagnetic valve 10 is installed on the liquid inlet pipe 9, a shell 2 is fixedly connected to the top of the pressurizing device body 1, a motor 3 is arranged on the inner wall of the top of the shell 2, a reciprocating screw rod 5 is fixedly sleeved on an output shaft of the motor 3, a limiting plate 6 is fixedly sleeved on the outer wall of the reciprocating screw rod 5, the reciprocating screw rod 5 extends into the pressurizing device body 1 and is rotatably connected with the inner wall of the bottom of the pressurizing device body 1, a pressing plate 8 is sleeved on the outer wall of the reciprocating screw rod 5 in a threaded manner, a cleaning brush plate 7 is arranged on the side wall of the pressing plate 8, brush bristles are arranged on one side of the cleaning brush plate 7, and the side wall of the pressing plate 8 is slidably connected with the inner wall of the pressurizing device body 1, two groups of limiting assemblies for preventing air from flowing out are arranged on the pressing plate 8, each limiting assembly comprises a through hole 14 formed in the top of the pressing plate 8, a circular groove 21 communicated with the through hole 14 is formed in the bottom of the pressing plate 8, two limiting rods 17 are symmetrically arranged on the inner wall of the top of the circular groove 21, the two limiting rods 17 are connected with a same connecting plate 22 in a penetrating and sliding mode, a sealing plug 15 corresponding to the through hole 14 is fixedly connected to the top of the connecting plate 22, a spring 16 is sleeved on the outer wall of each limiting rod 17, the top end of the spring 16 is fixedly connected with the inner wall of the top of the circular groove 21, the bottom end of the spring 16 is fixedly connected with the top of the connecting plate 22, the electromagnetic valve 10 is firstly opened, the electromagnetic valve is connected with a storage tank through a liquid inlet pipe 9, liquid is injected into the pressurizing device body 1, then the motor 3 is started, an output shaft of the motor 3 rotates to drive the reciprocating screw rod 5 to rotate, and the pressing plate 8 is driven to reciprocate up and down by the reciprocating screw rod 5, the fuel in the supercharging device body 1 can be compressed when the pressure plate 8 descends, the supercharging device body 1 conveys air into the supercharging device body 1 through the air inlet hole 4, the air enters the bottom of the pressure plate 8 through the through hole 14, when the pressure plate 8 is contacted with the fuel, the pressure of the fuel can jack up the connecting plate 22, the connecting plate 22 compresses the spring 16 to drive the sealing plug 15 to ascend, the through hole 14 is sealed, the air in the supercharging device body 1 is prevented from flowing out, the internal pressure is increased, the bottom of the supercharging device body 1 is communicated with the Y-shaped pipe 13, the Y-shaped pipe 13 is provided with an adjusting component for adjusting the flowing speed of the liquid, the adjusting component comprises a U-shaped mounting plate 18 fixedly connected to one side of the Y-shaped pipe 13, one side of the Y-shaped pipe 13 is connected with a sealing plate 20 in a penetrating and sliding mode, the sealing plate 20 is in sealed contact with the liquid outlet of the Y-shaped pipe 13, one side of the sealing plate 20 close to the U-shaped mounting plate 18 is rotatably connected with a valve rod 19, the valve rod 19 is in threaded connection with the U-shaped mounting plate 18 in a penetrating manner, a handle is fixedly sleeved at one end of the valve rod 19, which is positioned at the outer side of the U-shaped mounting plate 18, the Y-shaped pipe 13 is connected with an engine to convey fuel into the engine, the sealing plate 20 is pushed to move by rotating the valve rod 19 to partially seal a liquid outlet of the Y-shaped pipe 13, the flowing speed is increased, the pressure is increased, and the fuel can reach the engine more quickly, a sewage discharge pipe 11 is communicated with one side of the supercharging device body 1, which is far away from the liquid inlet pipe 9, a valve 12 is installed on the sewage discharge pipe 11, the electromagnetic valve 10 and the sealing plate 20 are closed, clean water is injected into the supercharging device body 1 through the two air inlet sealing plugs 4, the clean water is pressed down 15 to relieve the sealing of the through hole 14, the supercharging device body 1 is filled with the clean water, the spring 16 is stretched, then the motor 3 is started to drive the pressing plate 8 to reciprocate up and down, the pressing plate 8 drives the cleaning brush plate 7 to reciprocate up and down, the cleaning brush plate 7 moves up and down to clean the inner wall of the supercharging device body 1, so that stains on the inner wall of the supercharging device body 1 are removed, the valve 12 is opened, and sewage in the supercharging device body 1 can be discharged through the sewage discharge pipe 11.

The working principle is as follows: firstly, an electromagnetic valve 10 is opened, the electromagnetic valve is connected with a storage tank through a liquid inlet pipe 9, liquid is injected into a supercharging device body 1, then a motor 3 is started, an output shaft of the motor 3 rotates to drive a reciprocating screw rod 5 to rotate, the reciprocating screw rod 5 rotates to drive a pressing plate 8 to reciprocate up and down, the pressing plate 8 compresses fuel in the supercharging device body 1 when descending, the supercharging device body 1 conveys air in the supercharging device body 1 through an air inlet 4 and enters the bottom of the pressing plate 8 through a through hole 14, when the pressing plate 8 is contacted with the fuel, the pressure of the fuel can jack up a connecting plate 22, the connecting plate 22 compresses a spring 16 to drive a sealing plug 15 to ascend, the through hole 14 is sealed, air in the supercharging device body 1 is prevented from flowing out, the internal pressure is increased, a Y-shaped pipe 13 is connected with an engine to convey the fuel into the engine, a liquid outlet of the Y-shaped pipe 13 is partially sealed by pushing the sealing plate 20 to move through a rotating valve rod 19, accelerate the speed that flows and increase pressure, make in fuel can be faster reaches the engine, close solenoid valve 10 and closing plate 20, pour into the clear water with supercharging device body 1 through two inlet ports 4, the clear water pushes down sealing plug 15 and removes sealing plug 15 and get into supercharging device body 1 to the sealing of through-hole 14, and extension spring 16, starter motor 3 drives clamp plate 8 up-and-down reciprocating motion after that, clamp plate 8 rotates and drives cleaning brush board 7 reciprocating motion from top to bottom, cleaning brush board 7 reciprocates and can clean the inner wall of supercharging device body 1, detach the spot on the inner wall of supercharging device body 1, open valve 12, can discharge out the sewage in the supercharging device body 1 through blow off pipe 11.

However, as is well known to those skilled in the art, the working principle and wiring method of the motor 3, the solenoid valve 10 and the supercharging device body 1 are common and are conventional means or common knowledge, and thus will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A pressurizing conveying device for a liquid rocket engine storage tank comprises a pressurizing device body (1) and is characterized in that one side of the pressurizing device body (1) is communicated with a liquid inlet pipe (9), an electromagnetic valve (10) is installed on the liquid inlet pipe (9), the top of the pressurizing device body (1) is fixedly connected with a shell (2), the inner wall of the top of the shell (2) is provided with a motor (3), an output shaft of the motor (3) is fixedly sleeved with a reciprocating lead screw (5), the reciprocating lead screw (5) extends into the pressurizing device body (1) and is rotatably connected with the inner wall of the bottom of the pressurizing device body (1), the outer wall of the reciprocating lead screw (5) is sleeved with a pressing plate (8) in a threaded manner, the side wall of the pressing plate (8) is slidably connected with the inner wall of the pressurizing device body (1), and two groups of limiting assemblies for preventing air from flowing out are arranged on the pressing plate (8), the bottom of supercharging device body (1) communicates there is Y type pipe (13), be provided with the adjusting part that is used for adjusting liquid flow velocity on Y type pipe (13), one side that feed liquor pipe (9) was kept away from in supercharging device body (1) is linked together has blow off pipe (11), install valve (12) on blow off pipe (11).

2. The pressurizing and conveying device for the liquid rocket engine tank according to claim 1, wherein the limiting component comprises a through hole (14) formed in the top of the pressing plate (8), a circular groove (21) communicated with the through hole (14) is formed in the bottom of the pressing plate (8), two limiting rods (17) are symmetrically arranged on the inner wall of the top of the circular groove (21), the two limiting rods (17) are connected with the same connecting plate (22) in a penetrating and sliding mode, and the top of the connecting plate (22) is fixedly connected with a sealing plug (15) corresponding to the through hole (14).

3. The pressurized conveying device for the liquid rocket engine storage tank is characterized in that the adjusting assembly comprises a U-shaped mounting plate (18) fixedly connected to one side of a Y-shaped pipe (13), a sealing plate (20) is slidably connected to one side of the Y-shaped pipe (13) in a penetrating manner, the sealing plate (20) is in sealing interference with a liquid outlet of the Y-shaped pipe (13), a valve rod (19) is rotatably connected to one side, close to the U-shaped mounting plate (18), of the sealing plate (20), the valve rod (19) is in threaded connection with the U-shaped mounting plate (18) in a penetrating manner, and a handle is fixedly sleeved at one end, located outside the U-shaped mounting plate (18), of the valve rod (19).

4. The pressurized transportation device for a liquid rocket engine tank according to claim 1, wherein the side wall of said pressure plate (8) is provided with a cleaning brush plate (7), and one side of said cleaning brush plate (7) is provided with bristles.

5. The pressurized conveying device for the liquid rocket engine tank according to claim 1, characterized in that the top of the pressurizing device body (1) is symmetrically provided with two air inlet holes (4).

6. The pressurized conveying device for the liquid rocket engine tank according to claim 1, wherein the outer wall of the reciprocating screw rod (5) is fixedly sleeved with a limiting plate (6).

7. The pressurized conveying device for the liquid rocket engine tank according to claim 2, wherein the outer wall of the limiting rod (17) is sleeved with a spring (16), the top end of the spring (16) is fixedly connected with the inner wall of the top of the circular groove (21), and the bottom end of the spring (16) is fixedly connected with the top of the connecting plate (22).