CN216278195U

CN216278195U - Combined circulating liquid rocket engine

Info

Publication number: CN216278195U
Application number: CN202122766403.5U
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: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-12
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a combined circulating liquid rocket engine, which comprises a rocket engine body and a supporting frame, wherein two groups of limiting rings are arranged on the rocket engine body along the vertical direction, two groups of arc-shaped clamping plates are clamped at one side, close to each other, of the limiting rings, one side, close to each other, of the arc-shaped clamping plates is bolted, supporting plates are arranged at the bottoms of the front surface and the back surface of the supporting frame, universal wheels are arranged at the bottoms of the supporting plates and the supporting frame, an air cylinder is arranged at the bottom of an inner cavity of the supporting frame, a piston rod of the air cylinder is provided with a driving block, the driving block is in sliding connection with the front surface and the back surface of the inner cavity of the supporting frame, one side, close to each other, of the driving block is rotatably connected with a rotating shaft through a bearing, in the utility model, a combined type movable outer frame can be additionally arranged outside the rocket engine body, and is convenient for a user to rapidly displace the rocket engine body under the condition of limited space, the working efficiency of the user is improved.

Description

Combined circulating liquid rocket engine

Technical Field

The utility model relates to the technical field of rocket engines, in particular to a combined cycle liquid rocket engine.

Background

Rocket engines are jet engines with propellants of the aircraft and without using outside air. The combined circulating liquid rocket engine can work in a space except a dense atmosphere, energy is converted into kinetic energy of working media in the rocket engine to form high-speed jet flow to be discharged to generate thrust, and the combined circulating liquid rocket engine also belongs to one of the rocket engines.

The traditional combined circulating liquid rocket engine does not comprise a combined type movable outer frame, when the combined circulating liquid rocket engine needs to be displaced, large-scale equipment such as a forklift is usually needed, if the space where the combined circulating liquid rocket engine is located is limited, the large-scale equipment such as the forklift cannot be moved conveniently in the combined circulating liquid rocket engine, the combined circulating liquid rocket engine cannot be moved to a needed position in time, and the working efficiency of a user can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a combined cycle liquid rocket engine.

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

the combined circulating liquid rocket engine comprises a rocket engine body and a supporting frame, wherein two groups of limiting rings are arranged on the rocket engine body along the vertical direction, two groups of arc-shaped clamping plates are clamped on one sides of the limiting rings, which are close to each other, one sides of the arc-shaped clamping plates are bolted, supporting plates are arranged at the front and the back of the supporting frame, universal wheels are arranged at the bottoms of the supporting plates and the supporting frame, an air cylinder is arranged at the bottom of an inner cavity of the supporting frame, a piston rod of the air cylinder is provided with a driving block, the driving block is connected with the front and the back of the inner cavity of the supporting frame in a sliding mode, one side, which is close to each other, of the driving block is rotatably connected with a rotating shaft through a bearing, one end, which is close to each other, of the rotating shaft is fixedly connected onto the arc-shaped clamping plates, and a limiting square rod is inserted into one side, which is close to each other, of the supporting plates.

As a further scheme of the utility model, the driving block is fixedly connected with a connecting block, one side of the connecting block is in threaded connection with a lead screw through a lengthened nut, the rotating shaft is provided with a limiting plate, and one ends of the lead screws, which are close to each other, are inserted on the limiting plate.

As a further scheme of the utility model, a socket is arranged at the top of the front surface of the supporting frame, an inserting plate is inserted into the socket, a fixing frame is arranged on the inserting plate, a clamping plate is attached to the front surface of the supporting frame, and the top of the clamping plate is fixedly connected to the bottom of the fixing frame.

As a further scheme of the utility model, the two sides of the top of the limiting square rod are inserted with limiting bolts, and the inner sides of the limiting bolts are attached to the supporting plate.

As a further scheme of the utility model, the front side and the back side of the inner cavity of the supporting frame are both vertically provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding mode, and the sides, close to each other, of the sliding blocks are fixedly connected to the driving block.

As a further scheme of the utility model, positioning columns are arranged at the bottoms of the front surface and the back surface of the supporting frame, and one ends of the positioning columns, which are far away from the supporting frame, are fixedly connected to the supporting plate.

As a further scheme of the utility model, the limiting bolt is of an L-shaped structure.

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

1. in the utility model, the upper and lower groups of limiting rings can conveniently clamp and limit the arc-shaped clamping plates and can conveniently and quickly realize the thread butt joint of the two groups of arc-shaped clamping plates, thereby pre-positioning the rotating shaft, the driving block and the two groups of supporting frames, the adjacent two groups of supporting plates can be conveniently inserted and limited by arranging the limiting square rods, and simultaneously, the limiting square rods can be quickly positioned by utilizing the limiting bolts, so that the limiting square rods are prevented from being separated from the supporting plates, the stability between the two groups of supporting frames is further improved, thereby the external mobile outer frame can be quickly assembled, the driving block can be conveniently driven to move by utilizing the air cylinder through arranging the air cylinder and the driving block, thereby the rotating shaft is used for driving the arc-shaped clamping plates, the limiting rings and the rocket engine body to be quickly separated from the ground, and a user can conveniently displace the rocket engine body according to needs, the maneuverability of the rocket engine body is improved, large-scale equipment is avoided, and the cost is saved;

2. according to the utility model, by arranging the connecting block, the screw rod, the lengthened nut and the limiting plate, the screw rod can continuously rotate and move in the lengthened nut, so that the limiting plate can be conveniently inserted and limited, the rotating shaft can be inserted and limited, the rocket engine body is prevented from rotating when moving up and down, and the stability of the rocket engine body during moving is improved.

The combined type movable outer frame can be additionally arranged outside the rocket engine body, so that a user can conveniently and quickly displace the rocket engine body under the condition of limited space, the working efficiency of the user is improved, the cost is improved by avoiding using large machinery, meanwhile, the insertion of the screw rod to the limiting plate is used for limiting the rotatable rotating shaft, the rocket engine body is more stable in movement, meanwhile, the angle of the rocket engine body can be conveniently changed by the design of the rotatable rotating shaft, the user can conveniently and quickly butt joint the rocket engine body and the rocket, and meanwhile, the maintenance of the rocket engine body can be conveniently carried out.

Drawings

FIG. 1 is a schematic view of a combined cycle liquid rocket engine according to the present invention;

FIG. 2 is a partial front view of the structure of a combination cycle liquid rocket engine according to the present invention;

FIG. 3 is a partial exploded view of the structure of a combined cycle liquid rocket engine according to the present invention;

FIG. 4 is a perspective view of the socket, the plug board and the fixing frame according to the present invention;

fig. 5 is an enlarged view of a structure at a in fig. 1.

In the figure: 1. a rocket engine body; 2. a support frame; 3. a support plate; 4. a limiting ring; 5. an arc-shaped clamping plate; 6. a rotating shaft; 7. a cylinder; 8. a drive block; 9. connecting blocks; 10. a limiting plate; 11. a screw shaft; 12. a sliding groove; 13. a slider; 14. a socket; 15. inserting plates; 16. a fixed mount; 17. clamping a plate; 18. a limiting square rod; 19. a limiting bolt; 20. and a positioning column.

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. 1-5, the combined circulating liquid rocket engine comprises a rocket engine body 1 and a supporting frame 2, two groups of limiting rings 4 are arranged on the rocket engine body 1 along the vertical direction, two groups of arc-shaped clamping plates 5 are clamped on one side, close to each other, of the limiting rings 4, the upper and lower groups of limiting rings 4 can conveniently clamp and limit the arc-shaped clamping plates 5, and are convenient for quick threaded butt joint of the two groups of arc-shaped clamping plates 5, so that the two groups of supporting frames 2 are positioned in advance, the side, close to each other, of the arc-shaped clamping plates 5 are bolted, supporting plates 3 are arranged at the bottoms of the front surface and the back surface of the supporting frame 2, universal wheels are arranged at the bottoms of the supporting plates 3 and the supporting frame 2, a user can conveniently and quickly displace the rocket engine body 1, meanwhile, the universal wheels have a self-locking function, the stability of an external mobile outer frame can be improved, and an air cylinder 7 is arranged at the bottom of an inner cavity of the supporting frame 2, the piston rod of cylinder 7 is provided with the front and the back sliding connection that drive

block

8 and 2 inner chambers of braced frame, the one side that drive block 8 is close to each other is rotated through the bearing and is connected with rotation axis 6, the one end fixed connection that rotation axis 6 is close to each other is on arc cardboard 5, utilize cylinder 7 to drive block 8 and remove, this moment at rotation axis 6, can drive rocket engine body 1 and remove under the assistance of spacing collar 4, make rocket engine body 1 break away from ground fast, convenient to use person carries out the displacement to rocket engine body 1 as required, one side that backup pad 3 is close to each other is inserted and is equipped with spacing square bar 18, spacing square bar 18 is convenient for peg graft spacingly to adjacent two sets of backup pads 3, can make the peripheral hardware remove the quick assembly of outrigger.

Example two

Referring to fig. 1 to 5, the present invention provides a new technical solution: a combined circulating liquid rocket engine comprises a rocket engine body 1 and a supporting frame 2, wherein the rocket engine body 1 is the prior art, the structure and the principle are not repeated, two groups of limiting rings 4 are arranged on the rocket engine body 1 along the vertical direction, two groups of arc-shaped clamping plates 5 are clamped and connected on one sides of the limiting rings 4 close to each other, the upper and lower groups of limiting rings 4 can conveniently clamp and limit the arc-shaped clamping plates 5, the two groups of arc-shaped clamping plates 5 are in quick threaded butt joint conveniently, so that the two groups of supporting frames 2 are positioned in advance, one sides of the arc-shaped clamping plates 5 close to each other are bolted, a socket 14 is arranged at the top of the front surface of the supporting frame 2, an inserting plate 15 is inserted in the socket 14, a fixing frame 16 is arranged on the inserting plate 15, a clamping plate 17 is attached to the front surface of the supporting frame 2, the top of the clamping plate 17 is fixedly connected to the bottom of the fixing frame 16, and the socket 14 is inserted with the inserting plate 15, the fixing frame 16 can be conveniently and rapidly installed, the fixing frame 16 can limit the distance between the two groups of supporting frames 2, the stability between the supporting frames 2 is improved, meanwhile, the fixing frame 16 can be used as a handle, a user can conveniently displace the rocket engine body 1, the insertion effect of the socket 14 and the insertion plate 15 is further improved by the design of the clamping plate 17 to prevent separation, the supporting plates 3 are respectively arranged at the bottoms of the front surface and the back surface of the supporting frame 2, the positioning columns 20 are respectively arranged at the bottoms of the front surface and the back surface of the supporting frame 2, one end of each positioning column 20 far away from the supporting frame 2 is fixedly connected to the corresponding supporting plate 3, the stability of the supporting frame 2 and the corresponding supporting plate 3 is improved by the positioning columns 20, universal wheels are respectively arranged at the bottoms of the supporting plate 3 and the supporting frame 2, the universal wheels facilitate the user to rapidly displace the rocket engine body 1, and have a self-locking function, the stability of the peripheral mobile outrigger can be improved, the bottom of the inner cavity of the support frame 2 is provided with an air cylinder 7, a piston rod of the air cylinder 7 is provided with a driving block 8, the driving block 8 is in sliding connection with the front and the back of the inner cavity of the support frame 2, the front and the back of the inner cavity of the support frame 2 are vertically provided with sliding grooves 12, sliding blocks 13 are arranged in the sliding grooves 12 in a sliding manner, one sides of the sliding blocks 13 close to each other are fixedly connected to the driving block 8, the sliding grooves 12 are in sliding fit with the sliding blocks 13, the driving block 8 can be limited in a sliding manner, the driving block 8 is prevented from being separated from the support frame 2, one sides of the driving blocks 8 close to each other are rotatably connected with a rotating shaft 6 through bearings, the connecting block 9 is fixedly connected to the driving block 8, one side of the connecting block 9 is connected with a screw rod 11 through a lengthened nut thread, a limiting plate 10 is arranged on the rotating shaft 6, one end of the screw rod 11 close to each other is inserted into the limiting plate 10, the screw rod 11 is connected with the lengthened nut by screw threads, so that the limit plate 10 can be conveniently inserted and limited, the rotating shaft 6 is limited, when the rocket engine body 1 is prevented from moving, one end, close to each other, of the rotating shaft 6 is fixedly connected to the arc-shaped clamping plate 5, the cylinder 7 is utilized to drive the driving block 8 to move, at the moment, the rocket engine body 1 can be driven to move under the assistance of the rotating shaft 6, the arc-shaped clamping plate 5 and the limit ring 4, so that the rocket engine body 1 can be quickly separated from the ground, a user can conveniently displace the rocket engine body 1 as required, the limit square rod 18 is inserted into one side, close to each other, of the support plate 3, the limit square rod 18 is convenient for inserting and limiting two adjacent support plates 3, so that an external mobile outrigger can be quickly assembled, the limit bolts 19 are inserted into two sides of the top of the limit square rod 18, and the inner sides of the limit bolts 19 are attached to the support plates 3, spacing bolt 19 can be fixed a position spacing square bar 18 fast, avoids spacing square bar 18 to break away from backup pad 3, and spacing bolt 19 is L type structure, and spacing bolt 19 of L type structure can be to the better joint of spacing square bar 18.

The working principle is as follows: when the rocket engine body 1 is used, when a user needs to displace the rocket engine body 1, the user places the two groups of supporting frames 2 on two sides of the rocket engine body 1, respectively clamps the arc-shaped clamping plates 5 on one sides of the limiting rings 4 close to each other, then fixes the arc-shaped clamping plates by using bolts, so as to pre-position the two groups of supporting frames 2, then the user sequentially inserts the two groups of limiting square rods 18 into the supporting plates 3, inserts and positions the limiting square rods 18 by using the limiting bolts 19, so as to prevent the limiting square rods 18 from being separated from the supporting plates 3, finally the user inserts the inserting plates 15 into the sockets 14, the clamping plates 17 are attached to the front sides of the sockets 14, so as to rapidly assemble the fixing frames 16, the fixing frames 16 further improve the stability between the supporting frames 2, so that the peripheral mobile outriggers can be rapidly assembled, and then the user opens the air cylinders 7, meanwhile, the air cylinder 7 drives the driving block 8 to move upwards, so that the rotating shaft 6 is utilized to drive the arc-shaped clamping plate 5, the limiting ring 4 and the rocket engine body 1 to move upwards, the rocket engine body 1 is enabled to be separated from the ground quickly, then a user pushes the fixing frame 16, the rocket engine body 1 can be displaced as required under the assistance of the universal wheels, large-scale equipment is avoided, the cost is saved, meanwhile, the screw rod 11 is plugged into the limiting plate 10 and can be locked on the rotating shaft 6, if the angle of the rocket engine body 1 needs to be changed, so that the rocket engine body 1 and a rocket can be conveniently butted or maintained, the screw rod 11 is rotated reversely, the locking on the rotating shaft 6 is released, and meanwhile, the rotatable rotating shaft 6 can assist the rocket engine body 1 to rotate without hindrance.

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 combined circulating liquid rocket engine comprises a rocket engine body (1) and a supporting frame (2), and is characterized in that two groups of limiting rings (4) are arranged on the rocket engine body (1) along the up-down direction, two groups of arc-shaped clamping plates (5) are clamped on one sides of the limiting rings (4) close to each other, one sides of the arc-shaped clamping plates (5) close to each other are bolted, supporting plates (3) are arranged at the bottoms of the front and the back of the supporting frame (2), universal wheels are arranged at the bottoms of the supporting plates (3) and the supporting frame (2), an air cylinder (7) is arranged at the bottom of an inner cavity of the supporting frame (2), a piston rod of the air cylinder (7) is provided with a driving block (8), the driving block (8) is connected with the front and the back of the inner cavity of the supporting frame (2) in a sliding manner, one side of the driving block (8) close to each other is rotatably connected with a rotating shaft (6) through a bearing, one end of the rotating shaft (6) close to each other is fixedly connected to the arc-shaped clamping plate (5), and one side of the supporting plate (3) close to each other is inserted with a limiting square rod (18).

2. The combined cycle liquid rocket engine according to claim 1, wherein the driving block (8) is fixedly connected with a connecting block (9), one side of the connecting block (9) is connected with a lead screw (11) through a lengthened nut, the rotating shaft (6) is provided with a limiting plate (10), and the ends of the lead screws (11) close to each other are inserted into the limiting plate (10).

3. The combined cycle liquid rocket engine according to claim 1, wherein the top of the front surface of the supporting frame (2) is provided with a socket (14), an inserting plate (15) is inserted into the socket (14), the inserting plate (15) is provided with a fixing frame (16), the front surface of the supporting frame (2) is attached with a clamping plate (17), and the top of the clamping plate (17) is fixedly connected to the bottom of the fixing frame (16).

4. The combined cycle liquid rocket engine according to claim 1, wherein limiting bolts (19) are inserted into both sides of the top of the limiting square bar (18), and the inner sides of the limiting bolts (19) are attached to the supporting plate (3).

5. The combined cycle liquid rocket engine according to claim 1, wherein the front and back of the inner cavity of the supporting frame (2) are vertically provided with sliding grooves (12), sliding blocks (13) are arranged in the sliding grooves (12) in a sliding manner, and one sides of the sliding blocks (13) close to each other are fixedly connected to the driving block (8).

6. A combined cycle liquid rocket engine according to claim 1, wherein the bottom of the front and back of the supporting frame (2) is provided with positioning columns (20), and one end of the positioning column (20) far away from the supporting frame (2) is fixedly connected to the supporting plate (3).

7. A combined cycle liquid rocket engine according to claim 4, wherein said limit bolt (19) is of L-shaped configuration.