CN112937901B - One sealing belt type steam catapult based on two rows of cylinders - Google Patents
One sealing belt type steam catapult based on two rows of cylinders Download PDFInfo
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- CN112937901B CN112937901B CN202110230522.0A CN202110230522A CN112937901B CN 112937901 B CN112937901 B CN 112937901B CN 202110230522 A CN202110230522 A CN 202110230522A CN 112937901 B CN112937901 B CN 112937901B
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- 238000007789 sealing Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Ground or aircraft-carrier-deck installations for launching aircraft
- B64F1/06—Ground or aircraft-carrier-deck installations for launching aircraft using catapults
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Actuator (AREA)
Abstract
The invention relates to the field of steam devices, and particularly discloses a sealing belt type steam catapult based on two rows of cylinders, which comprises a sliding piston, an opening cylinder, a fixed rod, a flexible steel belt, a sealing upper cover, a drain hole, a pressure relief hole, a brake chamber drain hole, an exhaust valve, a check valve, a water storage tank, a water pump, a reversing water valve, a brake water tank and an air inlet hole, wherein the sliding piston is arranged on the sealing upper cover; pushing the sliding piston to move forward by steam; the combination of the sealing piston and the sealing upper cover can ensure that the air tightness of the open cylinder is not affected while the sliding piston moves; the reversing water valve is provided with the metal shifting piece, the connecting rod, the air pressure hole and the water pressure hole, so that the air pressure can be automatically opened and the water pressure can be automatically closed, water can be introduced while the exhaust is ensured, the sliding piston is decelerated by utilizing the water, and a good deceleration effect can be achieved.
Description
Technical Field
The invention relates to the field of steam devices, in particular to a sealing belt type steam catapult based on two rows of cylinders.
Background
When one wants to obtain a faster acceleration on a short stroke, some auxiliary devices, such as elastic pulling force, magnetic force, pushing force and other external forces, are often used to make the object obtain a larger force, so as to increase the acceleration of the object.
The carrier-based aircraft exists on the aircraft carrier, the take-off of the carrier-based aircraft needs great acceleration, but the deck length of the aircraft carrier cannot enable the carrier-based aircraft to finish proper running acceleration, so that the carrier-based aircraft is required to be assisted by the catapult to finish take-off acceleration, and the carrier-based aircraft is particularly subjected to pneumatic catapulting, hydraulic catapulting, electromagnetic catapulting and the like, and the production and the processing of the carrier-based aircraft in China are undeveloped at present.
Disclosure of Invention
The invention aims to provide a sealing belt type steam catapult based on two rows of cylinders so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A sealing belt type steam catapult based on two rows of cylinders comprises a sliding piston, an opening cylinder, a fixed rod, a flexible steel belt, a sealing upper cover, a drain hole, a pressure relief hole, a brake chamber drain hole, an exhaust valve, a check valve, a water storage tank, a water pump, a reversing water valve, a brake water tank and an air inlet hole.
Further: the aperture of the front end of the inner cavity of the open cylinder is consistent with the shaft diameter of the speed reduction mandrel.
Further: the flexible steel belt has good flexibility and air tightness.
Further: and a sealing rubber ring is arranged between the sliding piston and the opening cylinder, so that good air tightness is ensured.
Further: the arrangement of the pressure relief hole can ensure that the steam does not work on the sliding piston when the sliding piston moves to the forefront end.
Compared with the prior art, the invention has the beneficial effects that: the invention pushes the sliding piston to move forwards through steam; the combination of the sealing piston and the sealing upper cover can ensure that the air tightness of the open cylinder is not affected while the sliding piston moves; the reversing water valve is provided with the metal shifting piece, the connecting rod, the air pressure hole and the water pressure hole, so that the air pressure can be automatically opened and the water pressure can be automatically closed, water can be introduced while the exhaust is ensured, the sliding piston is decelerated by utilizing the water, and a good deceleration effect can be achieved.
Drawings
Fig. 1 is a schematic structural view of a sealing belt type steam catapult based on two rows of cylinders.
Fig. 2 is a schematic structural view of a sliding piston in a sealed belt steam catapult based on two rows of cylinders.
Fig. 3 is a schematic structural view of an open cylinder in a sealed belt steam catapult based on two rows of cylinders.
Fig. 4 is a schematic diagram of a reversing water valve in a sealed belt steam catapult based on two rows of cylinders.
In the figure: the hydraulic brake system comprises a 1-sliding piston, a 2-opening cylinder, a 3-fixing rod, a 4-flexible steel belt, a 5-sealing upper cover, a 6-drainage hole, a 7-pressure relief hole, an 8-brake chamber drainage hole, a 9-exhaust valve, a 10-check valve, an 11-water storage tank, a 12-water pump, a 13-reversing water valve, a 14-brake water tank, a 15-air inlet hole, a 101-sealing piston, a 102-stabilizing piston, a 103-speed reduction mandrel, a 131-air pressure hole and a 132-water pressure hole.
Detailed Description
Referring to fig. 1-4, a sealing belt type steam catapult based on two rows of cylinders comprises a sliding piston 1, an opening cylinder 2, a fixed rod 3, a flexible steel belt 4, a sealing upper cover 5, a water storage tank 11, a water pump 12 and a reversing water valve 13; the fixing rod 3 is used for fixing the two rows of open cylinders 2 by screw rods, and the bottom surfaces of the two rows of open cylinders 2 are positioned in the same plane; the sliding piston 1 is arranged inside the open cylinder 2; the flexible steel belt 4 passes through the sealing piston 101 on the sliding piston 1 and is flatly arranged and fixed on the open cylinder 2; the sealing upper cover 5 is arranged on the upper part of the open cylinder 2, so that the air tightness of the open cylinder 2 is ensured; one end of the water storage tank 11 is connected with a brake chamber drain hole 8 on the open cylinder 2; the water pump (12) is arranged in the water storage tank 11, and a water outlet of the water pump 12 is connected with the check valve 10 on the open cylinder 2; the reversing water valve 13 is positioned in the open cylinder 2, the rear end of the sliding piston 1 is provided with a reversing water valve (13), the space formed by the open cylinder 2 and the sliding piston 1 is further divided into two areas by the reversing water valve (13), and the rear end of the reversing water valve is connected with the water pump 12 through the check valve 10 to form the brake water tank 14; the open cylinder 2 is provided with a drain hole 6, a pressure relief hole 7, a brake chamber drain hole 8, an exhaust valve 9, a check valve 10, a brake water tank 14 and an air inlet hole 15; the drain hole 6 is positioned at the bottom of the open cylinder 2 and seals the rear end of the piston 101; the pressure relief hole 7 is positioned at the bottom of the open cylinder 2, and is positioned between the stabilizing piston 102 and the reversing water valve 13, so that when the sliding piston 1 moves to the forefront end, the pressure relief hole 7 is positioned at the rear end of the sealing piston 101; the brake chamber drain hole 8 is positioned at the bottom of the open cylinder 2, and the stable piston 102 is positioned on the brake chamber drain hole 8 when the sliding piston 1 moves to the forefront end is ensured between the pressure release hole 7 and the reversing water valve 13; the check valve 10 is positioned at the forefront end of the open cylinder 2, one end of the check valve is connected with the brake water tank 14, and the other end of the check valve is connected with the water pump 12; the brake water tank 14 is positioned in the open cylinder 2, and the front end of the water valve 13 is reversed; the exhaust valve 9 is positioned at the top of the open cylinder 2 and on the brake water tank 14; the air inlet hole 15 is positioned at the top of the opening cylinder 2, and is positioned between the reversing water valve 13 and the brake chamber drain hole 8; the reversing water valve 13 is provided with an air pressure hole 131, a water pressure hole 132, a metal pulling piece 133 and a connecting rod 134, the reversing water valve 13 is positioned in the opening cylinder 2 and is a valve opened by pressure, when the sliding piston 1 moves forwards, front-end air is continuously compressed, when the pressure reaches a certain degree, the air pressure drives the metal pulling piece 133 to rotate clockwise, the connecting rod 134 is not acted by the acting force of the metal pulling piece 133 any more, the connecting rod 134 can rotate clockwise, at the moment, air enters the brake water tank 14 through the air pressure hole 131, meanwhile, water in the brake water tank 14 enters the rear end of the reversing water valve 13 through the water pressure hole 132 and enters a water-air mixing state, the sliding piston 1 continuously forwards compresses the water, and the connecting rod 134 rotates anticlockwise due to the fact that the compression ratio of the water is smaller than that of the air, the metal pulling piece 133 resets, the air pressure hole 131 and the water pressure hole 132 are closed, and finally the sliding piston 1 is driven to stop under the pressure of the water.
The sliding piston 1 comprises a sealing piston 101, a stabilizing piston 102 and a speed reduction mandrel 103, wherein the sealing piston 101 is positioned at one end of the speed reduction mandrel 103, only the rotation free quantity is reserved, the stabilizing piston 102 is fixed at the middle part of the speed reduction mandrel 103, one end of the stabilizing piston is tightly attached to the sealing piston 101 and cannot rotate or move, when the sliding piston is installed, a part of the sliding piston which is increased by the speed reduction mandrel 103 is forwards, and finally the sealing piston 101 is vertically installed into the opening cylinder 2; the sealing piston 101 can be tightly attached to the open cylinder 2, so that the air tightness of the open cylinder 2 is ensured.
The flexible steel belt 4 passes through the sealing piston 101 when being installed and is fixed on the opening cylinder 2 at two ends, the upper surface of the flexible steel belt 4 is tightly adhered to the sealing piston 101, the lower surface of the flexible steel belt is jointly borne by the sealing upper cover 5 and the opening cylinder (2), the flexible steel belt 4 is tightly pressed on the opening cylinder 2 and the sealing upper cover 5 under the action of air pressure, the sliding piston 1 is ensured to move back and forth, the opening cylinder 2 cannot leak air, and the flexible steel belt 4 is made of good bending property and corrosion resistance.
The sealing upper cover 5 is fixed on the open cylinder 2.
Example 1
Before starting to work, the sliding piston 1 is installed in the opening cylinder 2, the flexible steel belt 4 and the sliding piston 1 are guaranteed to be installed in a correct mode, the sealing upper cover 5 is installed at last, compressed gas is slowly introduced after the installation is finished, whether the sliding piston 1 can stably move forward or not is observed, all parts do not have the air leakage phenomenon, and the working process is started after all parts are ready.
The high-pressure steam generated by the boiler is introduced into the open cylinder 2, the high-pressure steam pushes the sliding piston 1 to move forward rapidly, then the object on the sliding piston 1 is pulled to move forward, great acceleration is provided for the object, after the sealing piston 101 passes through the pressure relief hole 7, the high-pressure steam leaks outwards through the pressure relief hole 7, the sliding piston 1 does not apply work to the sliding piston 1, the sliding piston 1 continues to move forward under the moment of inertia, air between the speed reduction mandrel 103 and the reversing water valve 13 is continuously compressed, when the pressure reaches a certain degree, the air pressure causes the metal pulling plate 133 to rotate clockwise, the connecting rod 134 is not acted by the metal pulling plate 133 any more, the connecting rod 134 can rotate clockwise, at the moment, air enters the brake water tank 14 through the air pressure hole 131, meanwhile, water in the brake water tank 14 enters the rear end of the reversing water valve 13 through the water pressure hole 132, the sliding piston 1 continuously moves forwards, the water is continuously compressed, the connecting rod 134 rotates anticlockwise due to the fact that the compression ratio of the water is smaller than the air, the metal pulling plate 133 is reset, the air pressure hole 131 and the water pulling plate 133 is closed, and finally the sliding piston 1 stops under the pressure.
After the forward work is done, the sliding piston 1 needs to be reset to the initial position, the boiler needs to be closed at the moment, high-pressure steam is not generated any more, when the sealing piston 101 is pushed forward by the steam, water liquefied by the steam is discharged through the water discharge hole 6, the air inlet hole 15 is opened, air enters, the compression state is relieved, water entering the open cylinder 2 from the inside of the brake water tank 14 during braking is discharged into the water storage tank 11 through the brake chamber water discharge hole 8, at the moment, the reversing water valve 13 returns to the initial state, and the water pump 12 fills the water in the water storage tank 11 into the brake water tank 14 through the check valve 10, so that the water is filled in the brake water tank 14. Thus, one of the works of the present invention is completed.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. A sealing belt type steam catapult based on two rows of cylinders, which is characterized in that: the device comprises a sliding piston (1), an opening cylinder (2), a fixed rod (3), a flexible steel belt (4), a sealing upper cover (5), a water storage tank (11), a water pump (12) and a reversing water valve (13); the fixing rod (3) is used for fixing the two rows of open cylinders (2) by screw rods, and the bottom surfaces of the two rows of open cylinders (2) are positioned in the same plane; the sliding piston (1) is arranged in the open cylinder (2); the flexible steel belt (4) passes through a sealing piston (101) on the sliding piston (1) and is flatly arranged and fixed on the open cylinder (2); the sealing upper cover (5) is arranged on the upper part of the open cylinder (2) to ensure the air tightness of the open cylinder (2); one end of the water storage tank (11) is connected with a brake chamber drain hole (8) on the open cylinder (2); the water pump (12) is arranged in the water storage tank (11), and a water outlet of the water pump (12) is connected with the check valve (10) on the open cylinder (2); the reversing water valve (13) is positioned in the open cylinder (2), the rear end of the sliding piston (1) is provided with a reversing water valve (13), the space formed by the open cylinder (2) and the sliding piston (1) is further divided into two areas by the reversing water valve (13), and the rear end of the reversing water valve is connected with the water pump (12) through the check valve (10) to form a brake water tank (14); the open cylinder (2) is provided with a drain hole (6), a pressure relief hole (7), a brake chamber drain hole (8), an exhaust valve (9), a check valve (10), a brake water tank (14) and an air inlet hole (15); the drain hole (6) is positioned at the bottom of the open cylinder (2), and the rear end of the piston (101) is sealed; the pressure relief hole (7) is positioned at the bottom of the open cylinder (2), and is positioned between the stabilizing piston (102) and the reversing water valve (13), so that when the sliding piston (1) moves to the forefront end, the pressure relief hole (7) is positioned at the rear end of the sealing piston (101); the brake chamber drain hole (8) is positioned at the bottom of the open cylinder (2), and the pressure relief hole (7) and the reversing water valve (13) are arranged to ensure that the stabilizing piston (102) is positioned on the brake chamber drain hole (8) when the sliding piston (1) moves to the forefront end; the check valve (10) is positioned at the forefront end of the open cylinder (2), one end of the check valve is connected with the brake water tank (14), and the other end of the check valve is connected with the water pump (12); the brake water tank (14) is positioned in the open cylinder (2), and the front end of the water valve (13) is reversed; the exhaust valve (9) is positioned at the top of the open cylinder (2) and on the brake water tank (14); the air inlet hole (15) is positioned at the top of the open cylinder (2), and is positioned between the reversing water valve (13) and the brake chamber drain hole (8); the reversing water valve (13) is provided with an air pressure hole (131), a water pressure hole (132), a metal pulling sheet (133) and a connecting rod (134), the reversing water valve (13) is positioned in an opening cylinder (2) and is a valve opened by pressure, when the sliding piston (1) moves forwards, front-end air is continuously compressed, when the pressure reaches a certain degree, the air pressure causes the metal pulling sheet (133) to rotate clockwise, the connecting rod (134) is not subjected to the acting force of the metal pulling sheet (133), the connecting rod (134) can rotate clockwise, at the moment, air enters a brake water tank (14) through the air pressure hole (131), meanwhile, water in the brake water tank (14) enters the rear end of the reversing water valve (13) through the water pressure hole (132), the sliding piston (1) continuously forwards compresses the water, the connecting rod (134) rotates anticlockwise due to the fact that the compression ratio of the water is smaller than that the air, the metal pulling sheet (133) is reset, the air pressure hole (131) and the water pressure hole (132) are closed, and finally the sliding piston (1) is caused to stop under the pressure.
2. A sealing band type steam catapult based on two rows of cylinders as claimed in claim 1, wherein: the sliding piston (1) comprises a sealing piston (101), a stabilizing piston (102) and a speed reduction mandrel (103), wherein the sealing piston (101) is positioned at one end of the speed reduction mandrel (103), only the rotation free quantity is reserved, the stabilizing piston (102) is fixed at the middle part of the speed reduction mandrel (103), one end is tightly attached to the sealing piston (101) and can not rotate or move, a part which is increased by the speed reduction mandrel (103) during installation is forwards, and finally, the sealing piston (101) is vertically installed into the opening cylinder (2); the sealing piston (101) can be tightly attached to the open cylinder (2), so that the air tightness of the open cylinder (2) is ensured.
3. A sealing band type steam catapult based on two rows of cylinders as claimed in claim 1, wherein: the flexible steel belt (4) passes through the sealing piston (101) during installation, two ends of the flexible steel belt are fixed on the opening cylinder (2), the upper surface of the flexible steel belt (4) is tightly adhered to the sealing piston (101), the lower surface of the flexible steel belt is jointly borne by the sealing upper cover (5) and the opening cylinder (2), the sliding piston (1) can be guaranteed to move forwards and backwards, the opening cylinder (2) cannot leak air, and the flexible steel belt (4) is made of good flexibility and corrosion resistance.
4. A sealing band type steam catapult based on two rows of cylinders as claimed in claim 1, wherein: the sealing upper cover (5) is fixed on the open cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230522.0A CN112937901B (en) | 2021-03-02 | 2021-03-02 | One sealing belt type steam catapult based on two rows of cylinders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110230522.0A CN112937901B (en) | 2021-03-02 | 2021-03-02 | One sealing belt type steam catapult based on two rows of cylinders |
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| Publication Number | Publication Date |
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| CN112937901A CN112937901A (en) | 2021-06-11 |
| CN112937901B true CN112937901B (en) | 2024-05-10 |
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| CN202110230522.0A Active CN112937901B (en) | 2021-03-02 | 2021-03-02 | One sealing belt type steam catapult based on two rows of cylinders |
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Families Citing this family (1)
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| CN115406305A (en) * | 2022-08-18 | 2022-11-29 | 南京理工大学 | Double-cylinder rodless open cylinder integrated system |
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| CN112937901A (en) | 2021-06-11 |
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