CN112937901A - Two-row-cylinder-one-sealing-belt-type steam catapult - Google Patents
Two-row-cylinder-one-sealing-belt-type steam catapult Download PDFInfo
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- CN112937901A CN112937901A CN202110230522.0A CN202110230522A CN112937901A CN 112937901 A CN112937901 A CN 112937901A CN 202110230522 A CN202110230522 A CN 202110230522A CN 112937901 A CN112937901 A CN 112937901A
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- opening cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- 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)
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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 and one strip, which comprises a sliding piston, an open 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 reverse water valve, a brake water tank and an air inlet hole; pushing 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 opening cylinder is not influenced while the sliding piston moves; the reversal water valve is provided with metal plectrum, connecting rod, atmospheric pressure hole and water pressure hole, can realize that atmospheric pressure is automatic to be opened and water pressure self-closing, can introduce water when guaranteeing to exhaust, utilizes water to slow down sliding piston, can reach fine speed reduction effect.
Description
Technical Field
The invention relates to the field of steam devices, in particular to a one-sealing-belt-type steam catapult based on two rows of cylinders.
Background
When an object obtains faster acceleration when people want to use the short stroke, some auxiliary devices are often adopted, such as external forces such as elastic tension, magnetic force, pushing force and the like are used for enabling the object to obtain larger force, and therefore the acceleration of the object is improved.
The carrier-based aircraft exists on the aircraft carrier, the takeoff of the carrier-based aircraft needs a large 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 needs to be assisted by the catapult to finish takeoff acceleration, specifically, the catapult comprises air pressure catapult, hydraulic catapult, electromagnetic catapult and the like, and the production and processing of the catapult are not developed in China at present.
Disclosure of Invention
The invention aims to provide a sealing belt type steam catapult based on two rows of cylinders and one strip, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sealed belt type steam catapult based on two cylinders and one cylinder comprises a sliding piston, an open cylinder, a fixed rod, a flexible steel belt, a sealed 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 reverse water valve, a brake water tank and an air inlet hole.
Further: the front end aperture of the inner cavity of the opening cylinder is consistent with the shaft diameter of the speed reducing mandrel.
Further: the flexible steel belt has better 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 when the sliding piston moves to the foremost end, steam does not work on the sliding piston any more.
Compared with the prior art, the invention has the beneficial effects that: the steam-driven sliding piston moves forwards under the push of steam; the combination of the sealing piston and the sealing upper cover can ensure that the air tightness of the opening cylinder is not influenced while the sliding piston moves; the reversal water valve is provided with metal plectrum, connecting rod, atmospheric pressure hole and water pressure hole, can realize that atmospheric pressure is automatic to be opened and water pressure self-closing, can introduce water when guaranteeing to exhaust, utilizes water to slow down sliding piston, can reach fine speed reduction effect.
Drawings
Fig. 1 is a schematic structural view of a one-sealing-tape type steam catapult based on two rows of cylinders.
Fig. 2 is a schematic view showing a structure of a sliding piston in a sealed belt type steam catapult based on two rows of cylinders.
Fig. 3 is a schematic view of an open cylinder structure in a sealed belt type steam catapult based on two rows of cylinders.
Fig. 4 is a schematic structural diagram of a reversing water valve in a sealed belt type steam catapult based on two rows of cylinders.
In the figure: 1-sliding piston, 2-opening cylinder, 3-fixing rod, 4-flexible steel belt, 5-sealing upper cover, 6-drain hole, 7-pressure relief hole, 8-brake chamber drain hole, 9-exhaust valve, 10-check valve, 11-water storage tank, 12-water pump, 13-reversal water valve, 14-brake water tank, 15-air inlet hole, 101-sealing piston, 102-stabilizing piston, 103-deceleration mandrel, 131-air pressure hole and 132-water pressure hole.
Detailed Description
Referring to fig. 1-4, a sealed belt type steam catapult based on two rows of cylinders comprises a sliding piston 1, an open cylinder 2, a fixing rod 3, a flexible steel belt 4, a sealed upper cover 5, a water storage tank 11, a water pump 12 and a reverse water valve 13; the fixing rod 3 is used for fixing the two rows of the open cylinders 2 by screws, and the bottom surfaces of the two rows of the open cylinders 2 are in the same plane; the sliding piston 1 is arranged in the opening cylinder 2; the flexible steel strip 4 penetrates through a sealing piston 101 on the sliding piston 1 and is flatly installed and fixed on the open cylinder 2; the sealing upper cover 5 is arranged at the upper part of the opening cylinder 2 to ensure the air tightness of the opening cylinder 2; one end of the water storage tank 11 is connected with a brake chamber drain hole 8 on the opening cylinder 2; the water pump (12) is arranged in the water storage tank 11, and the water outlet of the water pump (12) is connected with the check valve 10 on the opening cylinder 2; the reverse water valve 13 is positioned inside the open cylinder 2, the rear end of the sliding piston 1, the brake chamber sealing valve (13) further divides the space formed by the open cylinder 2 and the sliding piston 1 into two areas, and the rear end is connected with the water pump 12 through the check valve 10 to form a brake water tank 14.
The sliding piston 1 comprises a sealing piston 101, a stabilizing piston 102 and a speed reducing mandrel 103, wherein the sealing piston 101 is positioned at one end of the speed reducing mandrel 103, only the free amount of rotation is reserved, the stabilizing piston 102 is fixed at the middle part of the speed reducing mandrel 103, one end of the stabilizing piston is tightly attached to the sealing piston 101 and can not rotate and move, one part which is added by the speed reducing mandrel 103 in the installation process faces forwards, and the sealing piston 101 is finally vertically installed and enters the opening cylinder 2; the sealing piston 101 can be tightly attached to the open cylinder 2, and the air tightness of the open cylinder 2 is ensured.
The opening 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 15; the water drain hole 6 is positioned at the bottom of the opening cylinder 2 and seals the rear end of the piston 101; the pressure relief hole 7 is positioned at the bottom of the opening cylinder 2 and between the stabilizing piston 102 and the reverse water valve 13, so that when the sliding piston 1 moves to the foremost 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 between the pressure relief hole 7 and the reverse water valve 13 when the sliding piston 1 moves to the foremost end; the check valve 10 is positioned at the foremost end of the opening 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 brake chamber sealing valve 13 is positioned; 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 between the reverse water valve 13 and the brake chamber water drainage hole 8.
The flexible steel strip 4 penetrates through the sealing piston 101 during installation, two ends of the flexible steel strip are fixed on the opening cylinder 2, the upper surface of the flexible steel strip 4 is attached to the sealing piston 101, the lower surface of the flexible steel strip is jointly borne by the sealing upper cover 5 and the opening cylinder (2), the flexible steel strip 4 is tightly pressed on the opening cylinder 2 and the sealing upper cover 5 under the action of air pressure, it is guaranteed that the sliding piston 1 can move back and forth, the opening cylinder 2 cannot leak air, and the flexible steel strip 4 is good in flexibility and corrosion resistance.
The sealing upper cover 5 is fixed on the opening cylinder 2.
The reverse water valve 13 is provided with an air pressure hole 131, a water pressure hole 132, a metal plectrum 133 and a connecting rod 134, the reverse water valve 13 is positioned in the opening cylinder 2 and is a valve opened by pressure, when the sliding piston 1 moves forward, the front air is continuously compressed, when the pressure reaches a certain degree, the air pressure drives the metal shifting piece 133 to rotate clockwise, the connecting rod 134 is not acted by the metal shifting piece 133 any more, the connecting rod 134 can rotate clockwise, at the moment, the 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, enters a water-air mixed state, continuously moves forward by the sliding piston 1, continuously compresses the water, since the compression ratio of water is smaller than that of gas, the connecting rod 134 rotates counterclockwise, the metal paddle 133 is reset, the gas pressure hole 131 and the water pressure hole 132 are closed, and finally the sliding piston 1 is caused to stop under the pressure of water.
Example 1
Before the work, the sliding piston 1 is installed in the opening cylinder 2, the installation mode of the flexible steel strip 4 and the sliding piston 1 is correct, the sealing upper cover 5 is installed, compressed gas is slowly introduced after the installation is completed, whether the sliding piston 1 can move forwards stably is observed, and the phenomenon of gas leakage does not exist in all parts, so that the work flow is started after all parts are ready.
High-pressure steam generated by a boiler is introduced into the open cylinder 2, the high-pressure steam pushes the sliding piston 1 to move forward quickly, and then the object on the sliding piston 1 is pulled to move forward, so that great acceleration is provided for the object, after the sealing piston 101 passes through the pressure relief hole 7, the high-pressure steam is discharged outwards through the pressure relief hole 7 without doing work on the sliding piston 1, the sliding piston 1 continues to move forward under the movement inertia, in the whole process, air between the deceleration core rod 103 and the reversal water valve 13 is continuously compressed, when the pressure reaches a certain degree, the air pressure drives the metal shifting piece 133 to rotate clockwise, the connecting rod 134 is not acted by the metal shifting piece 133 any more, the connecting rod 134 can rotate clockwise, at the moment, the 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 reversal water valve 13 through the water pressure hole 132 and enters a water, the sliding piston 1 continuously moves forward, water is continuously compressed, the connecting rod 134 rotates anticlockwise due to the fact that the compression ratio of water is smaller than that of gas, the metal poking piece 133 is reset, the air pressure hole 131 and the water pressure hole 132 are closed, and finally the sliding piston 1 is forced to stop under the pressure of water.
After the forward acting is completed, the sliding piston 1 needs to be reset to the initial position, at the moment, the boiler needs to be closed, high-pressure steam is not generated any more, when the steam pushes the sealing piston 101 forward, 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, when braking, the water entering the opening cylinder 2 from the brake water tank 14 is discharged into the water storage tank 11 through the brake chamber water discharge hole 8, at the moment, the reverse water valve 13 returns to the initial state, the water in the water storage tank 11 is filled into the brake water tank 14 through the check valve 10 by the water pump 12, and the brake water tank 14. Thus, one round of the present invention is completed.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a sealed belt steam catapult based on two cylinders is its characterized in that: 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 reverse water valve (13); the fixing rod (3) fixes the two rows of the open cylinders (2) by screws, and the bottom surfaces of the two rows of the open cylinders (2) are in the same plane; the sliding piston (1) is arranged in the opening cylinder (2); the flexible steel belt (4) penetrates through a sealing piston (101) on the sliding piston (1) and is flatly installed and fixed on the open cylinder (2); the sealing upper cover (5) is arranged at the upper part of the opening cylinder (2) to ensure the air tightness of the opening cylinder (2); one end of the water storage tank (11) is connected with a brake chamber drain hole (8) on the opening cylinder (2); the water pump (12) is placed in the water storage tank (11), and a water outlet of the water pump (12) is connected with the check valve (10) on the opening cylinder (2); the reversing water valve (13) is positioned in the opening cylinder (2), the rear end of the sliding piston (1) is provided, the space formed by the opening cylinder (2) and the sliding piston (1) is further divided into two areas by the brake chamber sealing valve (13), and the rear end is connected with the water pump (12) through the check valve (10) to form a brake water tank (14).
2. The steam catapult of claim 1, wherein the steam catapult is based on two rows of cylinders and a sealing belt, and is characterized in that: the sliding piston (1) comprises a sealing piston (101), a stabilizing piston (102) and a speed reducing mandrel (103), wherein the sealing piston (101) is positioned at one end of the speed reducing mandrel (103) and only keeps free rotation quantity, the stabilizing piston (102) is fixed at the middle part of the speed reducing mandrel (103), one end of the stabilizing piston is tightly attached to the sealing piston (101) and cannot rotate and move, a part which is added by the speed reducing mandrel (103) forwards during installation, and the sealing piston (101) is finally vertically installed into the opening cylinder (2); the sealing piston (101) can be tightly attached to the opening cylinder (2) to ensure the air tightness of the opening cylinder (2).
3. The steam catapult of claim 1, wherein the steam catapult is based on two rows of cylinders and a sealing belt, and is characterized in that: the opening 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 opening cylinder (2) and seals the rear end of the piston (101); the pressure relief hole (7) is positioned at the bottom of the opening cylinder (2) and between the stabilizing piston (102) and the reverse water valve (13), so that when the sliding piston (1) moves to the foremost end, the pressure relief hole (7) is positioned at the rear end of the sealing piston (101); the drain hole (8) of the brake chamber is positioned at the bottom of the open cylinder (2), the pressure relief hole (7) and the reverse water valve (13) are arranged between the open cylinder and the reverse water valve, and the stable piston (102) is positioned on the drain hole (8) of the brake chamber when the sliding piston (1) moves to the foremost end; the check valve (10) is positioned at the foremost end of the opening 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 brake chamber sealing valve (13) is positioned at the front end of the open cylinder; 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 arranged between the reverse water valve (13) and the water discharging hole (8) of the brake chamber.
4. The steam catapult of claim 1, wherein the steam catapult is based on two rows of cylinders and a sealing belt, and is characterized in that: pass sealed piston (101) during installation of flexible steel band (4) to on being fixed in opening cylinder (2) with both ends, the upper surface of flexible steel band (4) pastes closely sealed piston (101), and the lower surface is born by sealed upper cover (5) and opening cylinder (2) jointly, guarantees that sliding piston (1) can the back-and-forth movement and opening cylinder (2) can not leak gas, and flexible steel band (4) material has fine bending nature and anticorrosive.
5. The steam catapult of claim 1, wherein the steam catapult is based on two rows of cylinders and a sealing belt, and is characterized in that: the sealing upper cover (5) is fixed on the opening cylinder (2).
6. The steam catapult of claim 1, wherein the steam catapult is based on two rows of cylinders and a sealing belt, and is characterized in that: the reversing water valve (13) is provided with an air pressure hole (131), a water pressure hole (132), a metal shifting 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, air at the front end is continuously compressed, when the pressure reaches a certain degree, the air pressure drives the metal shifting piece (133) to rotate clockwise, the connecting rod (134) does not bear the acting force of the metal shifting piece (133), 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 forwards and continuously compresses the water, because the compression ratio of the water is smaller than that of the air, the connecting rod (134) is caused to rotate anticlockwise, and the metal shifting piece (133) is reset, the air pressure hole (131) and the water pressure hole (132) are closed, and finally the sliding piston (1) is stopped under the pressure of water.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN112937901A true CN112937901A (en) | 2021-06-11 |
| CN112937901B CN112937901B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2021
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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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| Publication number | Publication date |
|---|---|
| CN112937901B (en) | 2024-05-10 |
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