CN209781174U - Pneumatic driving pushing device for moving body - Google Patents

Pneumatic driving pushing device for moving body Download PDF

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Publication number
CN209781174U
CN209781174U CN201920159160.9U CN201920159160U CN209781174U CN 209781174 U CN209781174 U CN 209781174U CN 201920159160 U CN201920159160 U CN 201920159160U CN 209781174 U CN209781174 U CN 209781174U
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CN
China
Prior art keywords
gas
moving
air
pressure gas
moving body
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Expired - Fee Related
Application number
CN201920159160.9U
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Chinese (zh)
Inventor
张宁超
王鹏
王启扬
宋春焕
任娟
兀伟
敬伟
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Xian Technological University
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Xian Technological University
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Priority to CN201920159160.9U priority Critical patent/CN209781174U/en
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Abstract

the utility model discloses a moving body gas drive pushing device, which comprises a gas storage tank, an inflation device, an elastic valve mechanism, a straight-through exhaust valve, a moving body high-speed moving channel and a gas compression mechanism; the inflating equipment starts the inflating pneumatic elastic valve mechanism to open so as to lead the air outlet guide pipe to be communicated with the air inlet pipeline, and the elastic valve mechanism can be driven by the elasticity of the elastic stress of the elastic valve mechanism or the high-pressure gas in the high-pressure gas storage chamber to close so as to lead the air outlet guide pipe to be blocked with the air inlet pipeline; the moving body is arranged in the moving body high-speed moving channel, the straight-through exhaust valve is opened, and high-pressure gas in the high-pressure gas storage chamber is injected into the moving body high-speed moving channel and drives the moving body to move at high speed in the moving body high-speed moving channel. The utility model discloses simple structure, convenient operation has reduced overload test's input cost, and raises the efficiency and the experimental degree of accuracy.

Description

Pneumatic driving pushing device for moving body
Technical Field
the utility model belongs to the technical field of overload experimental facilities, especially, relate to a motion body gas drive pusher.
background
in the overload test process, a gas accelerating device is needed to accelerate a moving body in a test channel, so that the research on the overload test of the moving body is carried out, and the existing gas accelerating device has the following defects:
Firstly, the structure is complex, the investment cost is undoubtedly increased in the overload test process, and the long-term development is not facilitated;
Secondly, the operation steps are complicated, and the efficiency of the overload test is reduced;
Thirdly, due to the structural defects of the existing gas accelerating equipment, the error of the overload test is larger, and the accuracy is reduced.
disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a motion body gas drive pusher, simple structure, convenient operation has reduced overload test's input cost, and raises the efficiency and the experimental degree of accuracy.
The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a moving body air driving pushing device, which comprises an air storage tank, an inflation device and an elastic valve mechanism; the air storage tank is provided with an air inlet pipeline communicated with a high-pressure gas storage chamber inside the air storage tank, an air outlet guide pipe of the inflating equipment is connected with the air inlet pipeline through an elastic valve mechanism, the inflating equipment starts the inflating air-drivable elastic valve mechanism to be opened to enable the air outlet guide pipe to be communicated with the air inlet pipeline, and the elastic valve mechanism can be driven to be closed through the elasticity of the elastic stress of the elastic valve mechanism or the high-pressure gas in the high-pressure gas storage chamber to enable the air outlet guide pipe to be blocked with the air inlet;
the device also comprises a straight-through exhaust valve, a moving body high-speed moving channel and a gas compression mechanism; the air storage tank is provided with an air outlet pipeline communicated with a high-pressure air storage chamber inside the air storage tank, the air outlet end of the air outlet pipeline is connected with the air inlet end of the moving body high-speed moving channel through a straight-through exhaust valve, and a moving body is arranged in the moving body high-speed moving channel; the gas compression mechanism is movably connected with the gas storage tank and can compress the gas stored in the high-pressure gas storage chamber to form high-pressure gas; and opening the straight-through exhaust valve, injecting the high-pressure gas in the high-pressure gas storage chamber into the high-speed moving channel of the moving body and driving the moving body to move at a high speed in the high-speed moving channel of the moving body.
Further, the gas holder is double-deck tank structure, and it includes the outer jar of body and the inner tank body that mutually independent, the inside tank cavity of the inner tank body is high-pressure gas storage room, and the intermediate layer clearance that constitutes between the outer jar of body and the inner tank body is the vacuum clearance.
Furthermore, the elastic valve mechanism comprises a box body, the box body is provided with an air inlet and an air outlet, an air outlet guide pipe of the inflation equipment is in butt joint with the air inlet, and the air inlet pipeline is in butt joint with the air outlet; the elastic valve mechanism further comprises a moving block elastically supported in the box body through a spring, one end of the spring is fixedly connected with the inner wall of the box body, the other end of the spring is fixedly connected with the moving block, and the spring can drive the moving block to move upwards to block the air inlet through the elastic stress of the spring.
Further, when the inflation device is started to be inflated, the gas entering the gas inlet drives the moving block to move downwards to open the gas inlet.
Further, the moving block moves upwards to block the air inlet through elastic driving of elastic stress of the spring and high-pressure gas driving in the high-pressure gas storage chamber under the state that the gas compression mechanism compresses gas stored in the high-pressure gas storage chamber to form high-pressure gas.
Furthermore, the air inlet is circular, the moving block is cylindrical, the part of the moving block close to the air inlet is contracted towards the center to form a cone shape, and a layer of sealing gasket is laid on the outer surface of the part of the moving block, which is conical.
Furthermore, the elastic valve mechanism also comprises a moving guide piece, and the movement of the moving block is accurately guided by the moving guide piece;
The movable guide piece comprises a cylindrical rod and a circular ring sleeved on the cylindrical rod in a sliding fit mode, the circular ring is fixedly connected with the movable block through a connecting rod, and the cylindrical rod is fixedly connected to the inner wall of the box body and is parallel to the central axis of the air inlet.
further, the gas compression mechanism comprises a hydraulic push rod and a moving plate fixedly connected to the pushing end of the hydraulic push rod; a hydraulic push rod passing channel is arranged for communicating the inside of the inner tank body and the outside of the outer tank body, the hydraulic push rod partially extends into the hydraulic push rod passing channel, the movable plate is positioned in the inner tank body, and the peripheral edge of the movable plate is in seal movable fit with the inner wall of the inner tank body;
Under the inflation equipment starts the gas filled state, the movable plate laminating in with the internal wall of inner tank relative of pipeline of giving vent to anger, just hydraulic push rod promotes the movable plate and moves towards pipeline of giving vent to anger and can constitute high-pressure gas with the gas compression of storing in the high-pressure gas storage room.
further, a gas pressure meter for measuring the gas pressure in the high-pressure gas storage chamber is arranged on the gas storage tank; the gas inlet pipeline is communicated with a gas discharge pipeline, and a valve is arranged on the gas discharge pipeline.
Has the advantages that: the utility model discloses a motion body air drive pusher, beneficial effect as follows:
1) The utility model has simple structure and convenient operation, reduces the investment cost of overload test, and improves the efficiency and the test accuracy;
2) The utility model discloses a motion body air drive pusher is rational in infrastructure, easily assembles and the operation, has improved overload test's simple operation nature greatly.
The working method of the moving body air-driven pushing device is reasonable in layout, easy to operate and suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a sectional view of the gas tank in a state where the gas charging device is started to charge the high-pressure gas storage chamber;
FIG. 4 is a sectional view of the gas storage tank in a state where the gas compression mechanism compresses the gas stored in the high-pressure gas storage chamber to form high-pressure gas;
FIG. 5 is a schematic diagram of the resilient valve mechanism;
fig. 6 is a structural schematic diagram of the open and closed state transition of the elastic valve mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, the moving body air driving pushing device comprises an air storage tank 1, an air charging device 2 and an elastic valve mechanism 3; the gas holder 1 has the admission line 11 rather than inside high-pressure gas locker 181 intercommunication, the pipe 21 of giving vent to anger of inflation equipment 2 passes through elastic valve mechanism 3 and is connected with admission line 11, inflation equipment 2 starts to aerify and can open and make pipe 21 of giving vent to anger and pipe 11 switch on with inflation valve mechanism 3, and elastic valve mechanism 3 accessible self elastic stress's elastic drive or the high-pressure gas drive in the high-pressure gas locker 181 close and make pipe 21 of giving vent to anger and pipe 11 block up with the admission line, elastic valve mechanism 3 does not need other automatic control equipment of external in addition just can realize opening or closing, and is ingenious in structure, and the function is practical, and the effect is good, not only reduces the operating procedure, improves the simple operation nature, improves overload test efficiency, and greatly reduced the input cost.
the device also comprises a straight-through exhaust valve 4, a moving body high-speed moving channel 5 and a gas compression mechanism 6; the gas storage tank 1 is provided with a gas outlet pipeline 12 communicated with a high-pressure gas storage chamber 181 in the gas storage tank, the gas outlet end of the gas outlet pipeline 12 is connected with the gas inlet end of the moving body high-speed moving channel 5 through a straight-through type exhaust valve 4, and a moving body 7 is arranged in the moving body high-speed moving channel 5; the gas compression mechanism 6 is movably connected with the gas storage tank 1 and can compress the gas stored in the high-pressure gas storage chamber 181 to form high-pressure gas; and opening the straight-through type exhaust valve 4, injecting the high-pressure gas in the high-pressure gas storage chamber 181 into the moving body high-speed moving channel 5 and driving the moving body 7 to move at a high speed in the moving body high-speed moving channel 5. The gas compression mechanism 6 is provided for the purpose of: after the inflation equipment 2 is filled with gas in the high-pressure gas storage chamber 181, only need operation gas compression mechanism 6 can compress into high-pressure gas with the gas that stores in the high-pressure gas storage chamber 181, need not use special high-pressure inflation equipment to carry out high pressure inflation, greatly reduced the input cost, wherein, gas compression mechanism 6 comprises hydraulic push rod 61 and fixed connection in the movable plate 62 of hydraulic push rod 61 propelling end, simple structure, and easily operation.
Specifically, the gas holder 1 is double-deck tank structure, and it includes the outer jar of body 17 and the inner tank body 18 of mutual independence, the inside tank chamber of the inner tank body 18 is high-pressure gas storage room 181, and the intermediate layer clearance 78 that constitutes between the outer jar of body 17 and the inner tank body 18 is the vacuum clearance, can avoid external factors to cause the influence to the high-pressure gas in the high-pressure gas storage room 181, has improved overload test's degree of accuracy greatly.
The elastic valve mechanism 3 comprises a box body 31, the box body 31 is provided with an air inlet 311 and an air outlet 312, the air outlet conduit 21 of the inflating device 2 is in butt joint with the air inlet 311, and the air inlet pipeline 11 is in butt joint with the air outlet 312; the elastic valve mechanism 3 further comprises a moving block 33 elastically supported in the box body 31 through a spring 32, one end of the spring 32 is fixedly connected with the inner wall of the box body 31, the other end of the spring 32 is fixedly connected with the moving block 33, and the spring 32 can drive the moving block 33 to move upwards to block the air inlet 311 through self elastic stress. When the inflation is completed, because the gas pressure in the high-pressure gas storage chamber 181 is low, the moving block 33 blocks the gas inlet 311 under the elastic pushing action of the spring, so that the gas in the high-pressure gas storage chamber 181 can be prevented from escaping; moreover, can also prevent that impurity such as dust from in the air inlet 311 gets into high-pressure gas storage chamber 181, avoid causing the influence to overload test, improve overload test's the degree of accuracy.
It is worth noting that the utility model discloses a gas drive pusher idle state down, the air inlet 311 is plugged up to the movable block 33 under spring elasticity top pushing action, also can prevent that the dust from getting into high-pressure gas storage room 181, and the protection effect is very good.
When the inflating device 2 is started to inflate, the gas entering the gas inlet 311 drives the moving block 33 to move downwards to open the gas inlet 311, and the gas entering the gas inlet 311 pushes the moving block 33, so that the gas inlet 311 is opened.
The moving block 33 is driven by the elasticity of the elastic stress of the spring 32 and the high-pressure gas in the high-pressure gas storage chamber 181 to move upwards to block the gas inlet 311 in a state that the gas compression mechanism 6 compresses the gas stored in the high-pressure gas storage chamber 181 to form high-pressure gas; after the gas in the high-pressure gas storage chamber 181 is compressed to high-pressure gas, the moving block 33 moves upward by the elastic driving of the elastic stress of the spring 32 and the double driving of the high-pressure gas driving in the high-pressure gas storage chamber 181, thereby blocking the gas inlet 311.
The air inlet 311 is circular, the moving block 33 is cylindrical, the portion of the moving block 33 close to the air inlet 311 is contracted towards the center to form a cone shape, the moving block 33 moves upwards to enable the cone-shaped portion to block the air inlet 311, the matching effect is good, and in addition, in order to achieve a better sealing effect and prevent air leakage, a layer of sealing gasket 331 is laid on the outer surface of the cone-shaped portion of the moving block 33 in a fit mode.
the elastic valve mechanism 3 further comprises a moving guide, the movement of the moving block 33 is accurately guided by the moving guide, and the moving block 33 is not deflected in the moving process by the guiding of the moving guide, so that the conical part of the moving block 33 accurately blocks the air inlet 311.
The movable guide part comprises a cylindrical rod 36 and a circular ring 35 sleeved on the cylindrical rod 36 in a sliding fit manner, the circular ring 35 is fixedly connected with the movable block 33 through a connecting rod 34, and the cylindrical rod 36 is fixedly connected to the inner wall of the box body 31 and keeps parallel to the central axis of the air inlet 311.
The gas compression mechanism 6 comprises a hydraulic push rod 61 and a moving plate 62 fixedly connected to the pushing end of the hydraulic push rod 61; a hydraulic push rod passing channel 16 is arranged for communicating the inside of the inner tank body 18 with the outside of the outer tank body 17, the hydraulic push rod 61 partially extends into the hydraulic push rod passing channel 16, the moving plate 62 is positioned inside the inner tank body 18, and the peripheral edge of the moving plate is in sealing and movable fit with the inner wall of the inner tank body 18; when the inflation device 2 is in an inflation state, the movable plate 62 is attached to the inner wall of the inner tank 18 opposite to the air outlet pipe 12, and the hydraulic push rod 61 pushes the movable plate 62 to move towards the air outlet pipe 12 so as to compress the gas stored in the high-pressure gas storage chamber 181 to form high-pressure gas.
the gas storage tank 1 is provided with a barometer 15 for measuring the gas pressure in the high-pressure gas storage chamber 181, so that the gas pressure in the high-pressure gas storage chamber 181 can be observed conveniently; the intercommunication is provided with gas discharge pipe 13 on the admission line 11, and installs valve 14 on the gas discharge pipe 13, and after the overload test of the motion body 7 was accomplished, open valve 14, can pass through gas discharge pipe 13 with remaining gas in the high-pressure gas storage room 181 and discharge, make the internal gas pressure of high-pressure gas storage room 181 keep balance with the external world to improve gas holder 1's life.
a working method of a moving body air-driven pushing device comprises the following specific steps:
the method comprises the following steps: closing the straight-through type exhaust valve 4 and the valve 14, and moving the moving plate 62 to be attached to the inner wall of the inner tank body 18 opposite to the air outlet pipeline 12 through the hydraulic push rod 61;
Step two: starting the inflating device 2 to inflate the high-pressure gas storage chamber 181, wherein the gas enters the gas inlet 311 through the gas outlet guide pipe 21, pushes the moving block 33 by the gas, so that the moving block 33 moves downwards to open the gas inlet 311, and the gas enters the box body 31 and then enters the high-pressure gas storage chamber 181 through the gas inlet pipeline 11 to be stored;
step three: after the inflation is finished, the inflation device 2 is closed, and the spring 32 drives the moving block 33 to move upwards to block the air inlet 311 through the self elastic stress; then, the moving plate 62 is pushed by the hydraulic push rod 61 to move towards the gas outlet pipeline 12, so that the gas stored in the high-pressure gas storage chamber 181 is compressed to form high-pressure gas;
Step four: opening the straight-through type exhaust valve 4, injecting the high-pressure gas in the high-pressure gas storage chamber 181 into the moving body high-speed moving channel 5, and further pushing the moving body 7 to move at a high speed in the moving body high-speed moving channel 5;
Step five: after the overload test of the moving body is completed, the valve 14 is opened to discharge the residual gas in the high-pressure gas storage chamber 181 through the gas discharge pipe 13, so that the gas pressure in the high-pressure gas storage chamber 181 is kept in balance with the outside.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a motion body air drive pusher which characterized in that: comprises an air storage tank (1), an air charging device (2) and an elastic valve mechanism (3); the air storage tank (1) is provided with an air inlet pipeline (11) communicated with a high-pressure gas storage chamber (181) inside the air storage tank, an air outlet guide pipe (21) of the air inflation equipment (2) is connected with the air inlet pipeline (11) through an elastic valve mechanism (3), the air inflation equipment (2) starts the air inflation pneumatic driving elastic valve mechanism (3) to be opened so that the air outlet guide pipe (21) is communicated with the air inlet pipeline (11), and the elastic valve mechanism (3) can be driven to be closed through elasticity of self elastic stress or high-pressure gas in the high-pressure gas storage chamber (181) so that the air outlet guide pipe (21) is blocked with the air inlet pipeline (11);
the device also comprises a straight-through exhaust valve (4), a moving body high-speed moving channel (5) and a gas compression mechanism (6); the gas storage tank (1) is provided with a gas outlet pipeline (12) communicated with a high-pressure gas storage chamber (181) inside the gas storage tank, the gas outlet end of the gas outlet pipeline (12) is connected with the gas inlet end of the moving body high-speed moving channel (5) through a straight-through exhaust valve (4), and a moving body (7) is arranged in the moving body high-speed moving channel (5); the gas compression mechanism (6) is movably connected with the gas storage tank (1) and can compress the gas stored in the high-pressure gas storage chamber (181) to form high-pressure gas; opening the straight-through type exhaust valve (4), injecting the high-pressure gas in the high-pressure gas storage chamber (181) into the moving body high-speed moving channel (5) and driving the moving body (7) to move at high speed in the moving body high-speed moving channel (5);
The gas holder (1) is a double-layer tank structure, and comprises an outer tank body (17) and an inner tank body (18) which are mutually independent, wherein the inner tank cavity of the inner tank body (18) is a high-pressure gas storage chamber (181), and an interlayer gap (78) formed between the outer tank body (17) and the inner tank body (18) is a vacuum gap.
2. A moving body air-driven pusher according to claim 1, characterized in that: the elastic valve mechanism (3) comprises a box body (31), the box body (31) is provided with an air inlet (311) and an air outlet (312), an air outlet guide pipe (21) of the inflating equipment (2) is in butt joint with the air inlet (311), and the air inlet pipeline (11) is in butt joint with the air outlet (312); the elastic valve mechanism (3) further comprises a moving block (33) which is elastically supported in the box body (31) through a spring (32), one end of the spring (32) is fixedly connected with the inner wall of the box body (31), the other end of the spring (32) is fixedly connected with the moving block (33), and the spring (32) can drive the moving block (33) to move upwards to block the air inlet (311) through self elastic stress.
3. A moving body air-driven pusher according to claim 2, characterized in that: when the inflating device (2) is started to inflate, gas entering the gas inlet (311) drives the moving block (33) to move downwards to open the gas inlet (311).
4. a moving body air-driven pusher according to claim 3, characterized in that: the gas compression mechanism (6) compresses gas stored in the high-pressure gas storage chamber (181) to form high-pressure gas, and the moving block (33) is driven by the elasticity of the elastic stress of the spring (32) and the high-pressure gas in the high-pressure gas storage chamber (181) to move upwards to block the gas inlet (311).
5. The moving body air-driven pushing device as claimed in claim 4, wherein: the air inlet (311) is circular, the moving block (33) is cylindrical, the part, close to the air inlet (311), of the moving block (33) shrinks towards the center to form a cone shape, and a layer of sealing gasket (331) is laid on the outer surface of the part, in the cone shape, of the moving block (33).
6. A moving body air-driven pushing device as claimed in claim 5, wherein: the elastic valve mechanism (3) further comprises a moving guide piece, and the moving block (33) moves to be accurately guided through the moving guide piece;
The movable guide piece comprises a cylindrical rod (36) and a circular ring (35) sleeved on the cylindrical rod (36) in a sliding fit mode, the circular ring (35) is fixedly connected with the movable block (33) through a connecting rod (34), and the cylindrical rod (36) is fixedly connected to the inner wall of the box body (31) and is parallel to the central axis of the air inlet (311).
7. The moving body air-driven pushing device as claimed in claim 6, wherein: the gas compression mechanism (6) comprises a hydraulic push rod (61) and a moving plate (62) fixedly connected to the pushing end of the hydraulic push rod (61); a hydraulic push rod passing channel (16) is arranged for communicating the inside of the inner tank body (18) with the outside of the outer tank body (17), the hydraulic push rod (61) partially extends into the hydraulic push rod passing channel (16), the moving plate (62) is positioned inside the inner tank body (18), and the peripheral edge of the moving plate is in sealing movable fit with the inner wall of the inner tank body (18);
the inflation equipment (2) starts under the gas filled state, movable plate (62) laminating in with the inner tank body (18) inner wall relative with outlet pipe way (12), just hydraulic push rod (61) promote movable plate (62) and move towards outlet pipe way (12) and can form high-pressure gas with the gas compression of storing in high-pressure gas storage room (181).
8. a moving body air-driven pusher according to claim 7, characterized in that: the gas storage tank (1) is provided with a barometer (15) for measuring the gas pressure in the high-pressure gas storage chamber (181); and a gas discharge pipeline (13) is communicated with the gas inlet pipeline (11), and a valve (14) is arranged on the gas discharge pipeline (13).
CN201920159160.9U 2019-01-30 2019-01-30 Pneumatic driving pushing device for moving body Expired - Fee Related CN209781174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920159160.9U CN209781174U (en) 2019-01-30 2019-01-30 Pneumatic driving pushing device for moving body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920159160.9U CN209781174U (en) 2019-01-30 2019-01-30 Pneumatic driving pushing device for moving body

Publications (1)

Publication Number Publication Date
CN209781174U true CN209781174U (en) 2019-12-13

Family

ID=68794203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920159160.9U Expired - Fee Related CN209781174U (en) 2019-01-30 2019-01-30 Pneumatic driving pushing device for moving body

Country Status (1)

Country Link
CN (1) CN209781174U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191213

Termination date: 20210130

CF01 Termination of patent right due to non-payment of annual fee