CN218002846U

CN218002846U - People's air defense door capability test device

Info

Publication number: CN218002846U
Application number: CN202222256565.9U
Authority: CN
Inventors: 徐强益; 徐贵元
Original assignee: Hubei Huchang Protection Equipment Science & Technology Co ltd
Current assignee: Hubei Huchang Protection Equipment Science & Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-09
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to the technical field of civil air defense door production, in particular to a civil air defense door performance testing device which can test the air tightness of civil air defense doors with different sizes and specifications and has high universality; the pressure gauge is arranged on the overpressure chamber; still include the dead seat, three move the support, a plurality of clamp plates, one-way locating rack and two-way locating rack, the dead seat is installed on the hyperbaric chamber, the slider of dead seat and the spout sliding connection who moves the support No. one, move the support and move support sliding connection No. two, no. three move the support and decide support sliding connection, a plurality of move and all install a plurality of clamp plates on the outer wall of support and dead seat, one-way locating rack is installed on the lateral wall of hyperbaric chamber, move support and the spacing sliding connection of one-way locating rack No. three, move support and the spacing sliding connection of two-way locating rack No. two.

Description

Performance testing device for civil air defense door

Technical Field

The utility model relates to a technical field of people's air defense door production especially relates to a people's air defense door capability test device.

Background

People's air defense doors such as protective airtight door, be one of the key facilities and the decisive link of people's air defense engineering performance guard action, people's air defense door need carry out multiple capability test, and one of them item is the maximum allowable air leakage volume (be applicable to airtight door and protective airtight door), tests the gas tightness of people's air defense door promptly, and the method of test is: the door frame of the civil air defense door is installed on the overpressure chamber, the seam between the door frame and the overpressure chamber is sealed, the overpressure chamber is inflated, the micro-pressure meter is enabled to count stably at 50Pa or three-way valve (10) 0Pa, the air leakage amount is detected through the flowmeter, the overpressure chamber is formed by welding steel plates, the workload is high, the process requirements are high, the door frame of the civil air defense door is installed on the overpressure chamber through a pressing plate and a bolt, the bolt is in threaded connection with a threaded hole plate on the overpressure chamber, the threaded hole plate is welded on the overpressure chamber and cannot be flexibly adjusted in position, the overpressure chamber is basically matched with the civil air defense door of one specification, the universality of the overpressure chamber is not high, and waste is serious.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out the gas tightness test to the people's air defense door of equidimension specification not, people's air defense door capability test device that the commonality is high.

The utility model discloses a people's air defense door capability test device, including hyperbaric chamber, breather pipe, gas tube and barometer, the inside of hyperbaric chamber is provided with the pressurization cavity, and the up end of hyperbaric chamber is provided with the breather pipe, and the breather pipe communicates with the pressurization cavity, and the output of gas tube stretches into in the hyperbaric chamber pressurization cavity, and the barometer is installed on the lateral wall of hyperbaric chamber, and the detecting head of barometer stretches into in the pressurization cavity of hyperbaric chamber; the hydraulic support device comprises a hydraulic chamber, and is characterized by further comprising a fixed support, three movable supports, a plurality of pressing plates, a one-way positioning frame and a two-way positioning frame, wherein the fixed support is arranged on the upper end surface of the hydraulic chamber, horizontal sliding grooves are formed in the inner side walls of the movable supports and the fixed support, sealing assemblies are arranged on the three movable supports and the fixed support, sliding blocks matched with the sliding grooves are arranged at one ends of the three movable supports and the fixed support, wear-resistant sealing rings are arranged on the sliding blocks, the sliding blocks of the fixed support are connected with the sliding grooves of the first movable support in a sliding manner, the sliding blocks of the first movable support are connected with the sliding grooves of the second movable support in a sliding manner, the sliding blocks of the second movable support are connected with the sliding grooves of the third movable support in a sliding manner, the three movable supports and the fixed support form a rectangular supporting frame, the plurality of movable supports and the fixed support are provided with the pressing plates, the one-way positioning frame is arranged on the side wall of the hydraulic chamber, the third movable support is connected with the one-way positioning frame in a limiting manner, and the second movable support is connected with the two-way positioning frame in a limiting manner; the input end of the inflation tube is provided with a flowmeter and then is connected with an external high-pressure gas supply system, when the test work is started, the positions of the three movable supports are moved along the chutes of the fixed support and the three movable supports according to the size specification of the door frame of the civil air defense door, after the positions of the three movable supports are adjusted, the second movable support and the third movable support are locked in a limiting way through the one-way positioning frame and the two-way positioning frame, the supporting frame formed by the fixed support and the three movable supports are respectively aligned with the door frame of the civil air defense door, the civil air defense door is hoisted to place the civil air defense door communicated with the door frame on the fixed support and the three movable supports respectively, a plurality of pressing plates are operated to press the door frame of the civil air defense door, the sealing assemblies of the three movable supports and the fixed supports seal and plug up a door frame of the civil air defense door, the three movable supports, gaps between the fixed supports and gaps between the three movable supports and an overpressure chamber, high-pressure air is input into a pressurization cavity of the overpressure chamber through the inflation tube, air pressure in the overpressure chamber is observed through the air pressure gauge, air delivery quantity is adjusted, a pointer of the air pressure gauge is kept stable, air leakage quantity of the civil air defense door is obtained through a flow meter on the inflation tube, after the air tightness test of the civil air defense door is completed, the high-pressure air input is stopped, the overpressure chamber is decompressed, the civil air defense door is lifted away by opening the multi-pressing plate, when the model specification of the tested civil air defense door is changed, the positions of the three movable supports only need to be moved along the sliding grooves of the fixed supports and the three movable supports again, and the universality of the device is improved.

Preferably, the device also comprises a three-way valve and a pressure relief pipe, wherein the three-way valve is arranged on the outer wall of the overpressure chamber, a main channel of the three-way valve extends into a pressurization cavity of the overpressure chamber, the output end of the inflation pipe is connected with one auxiliary channel of the three-way valve, and the pressure relief pipe is arranged on the other auxiliary channel of the three-way valve; when the pressure is transmitted to the overpressure chamber, the adjusting button of the three-way valve is rotated, so that the inflation tube is communicated with the pressurization cavity of the overpressure chamber, the adjusting button of the three-way valve is rotated after the test work is completed, the pressure relief tube is communicated with the pressurization cavity of the overpressure chamber, high-pressure air in the overpressure chamber is discharged through the three-way valve and the pressure relief tube, and the operation convenience of pressurization and pressure relief of the overpressure chamber is improved.

Preferably, the device also comprises a plurality of rubber strips and a plurality of air bags, wherein the rubber strips are respectively arranged at the top ends of the fixed support and the three movable supports, one ends of the rubber strips are respectively in close contact with the inner side walls of the adjacent rubber strips, the air bags are respectively arranged on the lower end surfaces of the three movable supports, and the air bags are respectively provided with inflating nozzles; after the position of three support that moves is adjusted, aerify in to a plurality of gasbags, a plurality of gasbags inflation is with three gap seal between support and the hyperbaric chamber of moving and is filled up, a plurality of rubber strips carry out elastic support to the door frame of people's air defense door, when the clamp plate compresses tightly the door frame of people's air defense door downwards, a plurality of rubber strips are compressed and outwards expand, the up end of a plurality of rubber strips and the door frame in close contact with of people's air defense door, the gap is also sealed to be filled up between a plurality of rubber strips simultaneously, make a plurality of rubber strips with the door frame of people's air defense door and the sealed filling up in of gap between fixed bolster and the three support that moves, improve equipment's leakproofness.

Preferably, the clamping device further comprises a plurality of pressing plate seats, a plurality of bolts and a plurality of compression screws, the plurality of pressing plate seats are installed on the outer walls of the fixed support and the three movable supports, shaft levers are installed on the lower portions of the plurality of pressing plate seats, bolt holes are formed in the upper portions of the plurality of pressing plate seats, the lower ends of the plurality of pressing plates are rotatably connected with the shaft levers of the plurality of pressing plate seats respectively, the plurality of bolts penetrate through the bolt holes of the plurality of pressing plate seats respectively to position the plurality of pressing plates, and the plurality of compression screws are rotatably screwed on the tops of the plurality of pressing plates respectively; during test operation, with a plurality of clamp plates vertical and use a plurality of bolt cartridge location, rotate a plurality of compression screw for a plurality of compression screw compress tightly the door frame of people's air defense door on a plurality of rubber strips, after work, loosen a plurality of compression screw, extract a plurality of bolts, outwards overturn a plurality of clamp plates and set level, can hang away people's air defense door, realize quick installation dismantlement people's air defense door, improve work efficiency.

Preferably, the one-way positioning frame comprises a positioning plate, a connecting plate and a connecting bolt, the positioning plate is arranged on the outer wall of the overpressure chamber and is close to the outer end of the third movable support, a groove positioning groove is formed in the positioning plate, the connecting plate is arranged at the outer end of the third movable support, a through hole is formed in the connecting plate, and the connecting bolt penetrates through the through hole of the connecting plate and the positioning groove of the positioning plate and is locked by a nut; the third movable support and the second movable support are synchronously moved along the sliding groove of the fixed support, so that the distance between the third movable support and the first movable support is adapted to the width of a door frame of the civil air defense door, the connecting plate drives the connecting bolt to move along the positioning groove of the positioning plate in the adjusting process, and the nut on the connecting bolt is locked after the adjustment is completed, so that the position of the third movable support is locked, the outer end of the third movable support is connected with the overpressure chamber, and the structural strength and the reliability of equipment are improved.

Preferably, the two-way positioning frame comprises two guide plates, a second positioning plate and a plurality of guide bolts, the two three-way valves are arranged on the outer wall of the overpressure chamber, the two three-way valves are close to the outer end of the second movable support, the two guide plates are both provided with guide grooves, the two ends of the second positioning plate are respectively provided with the plurality of guide bolts, the plurality of guide bolts are respectively connected with the guide grooves of the two guide plates, the middle part of the second positioning plate is provided with the second positioning groove, the outer end of the second movable support is provided with a connecting plate, and the connecting plate is fixedly connected with the second positioning groove of the second positioning plate through the connecting bolts; when the third movable support is moved along the sliding groove of the fixed support, the third movable support drives the second movable support to synchronously move, the connecting plate and the connecting bolt on the second movable support push the second positioning plate to move along the two guide plates, after the third movable support is adjusted, the nuts on the plurality of guide bolts are screwed, the second positioning plate and the two guide plates are locked, the second movable support and the first movable support are moved along the sliding groove of the third movable support, the distance between the second movable support and the fixed support is adapted to the height of a door frame of a civil air defense door, the connecting bolt on the second movable support is locked, the second movable support and the first movable support are locked, the outer end of the second movable support is connected with the overpressure chamber, and the structural strength and the reliability of equipment are improved.

Compared with the prior art, the beneficial effects of the utility model are that: the input end of the inflation tube is provided with a flowmeter and then is connected with an external high-pressure gas supply system, when the test work is started, the positions of the three movable supports are moved along the chutes of the fixed support and the three movable supports according to the size specification of the door frame of the civil air defense door, after the positions of the three movable supports are adjusted, the second movable support and the third movable support are locked in a limiting way through the one-way positioning frame and the two-way positioning frame, the supporting frame formed by the fixed support and the three movable supports are respectively aligned with the door frame of the civil air defense door, the civil air defense door is hoisted to place the civil air defense door communicated with the door frame on the fixed support and the three movable supports respectively, a plurality of pressing plates are operated to press the door frame of the civil air defense door, the sealing assemblies of the three movable supports and the fixed supports seal and plug up a door frame of the civil air defense door, the three movable supports, gaps between the fixed supports and gaps between the three movable supports and an overpressure chamber, high-pressure air is input into a pressurization cavity of the overpressure chamber through the inflation tube, air pressure in the overpressure chamber is observed through the air pressure gauge, air delivery quantity is adjusted, a pointer of the air pressure gauge is kept stable, air leakage quantity of the civil air defense door is obtained through a flow meter on the inflation tube, after the air tightness test of the civil air defense door is completed, the high-pressure air input is stopped, the overpressure chamber is decompressed, the civil air defense door is lifted away by opening the multi-pressing plate, when the model specification of the tested civil air defense door is changed, the positions of the three movable supports only need to be moved along the sliding grooves of the fixed supports and the three movable supports again, and the universality of the device is improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is an exploded and enlarged schematic view of the stationary support, the movable support, the pressing plate, etc.;

FIG. 5 is a schematic view of a partial enlarged structure at A;

in the drawings, the reference numbers: 1. an overpressure chamber; 2. a breather pipe; 3. an inflation tube; 4. a barometer; 5. fixing a support; 6. a movable support; 7. pressing a plate; 8. a one-way positioning frame; 9. a bidirectional positioning frame; 10. a three-way valve; 11. a pressure relief pipe; 12. a rubber strip; 13. an air bag; 14. a platen base; 15. a bolt; 16. a compression screw; 17. positioning a plate; 18. a connecting plate; 19. a connecting bolt; 20. a guide plate; 21. a second positioning plate; 22. and (4) a guide bolt.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

The one-way positioning frame 8 comprises a positioning plate 17, a connecting plate 18 and a connecting bolt 19, the positioning plate 17 is installed on the outer wall of the overpressure chamber 1, the positioning plate 17 is close to the outer end of the third movable support 6, a groove positioning groove is formed in the positioning plate 17, the connecting plate 18 is installed at the outer end of the third movable support 6, a through hole is formed in the connecting plate 18, and the connecting bolt 19 penetrates through the through hole of the connecting plate 18 and the positioning groove of the positioning plate 17 and is locked through a nut; the two-way positioning frame 9 comprises two guide plates 20, a second positioning plate 21 and a plurality of guide bolts 22, the two three-way valves 10 are installed on the outer wall of the overpressure chamber 1, the two three-way valves 10 are close to the outer ends of the second movable support 6, both the two guide plates 20 are provided with guide grooves, both ends of the second positioning plate 21 are respectively provided with a plurality of guide bolts 22, the plurality of guide bolts 22 are respectively connected with the guide grooves of the two guide plates 20, the middle part of the second positioning plate 21 is provided with a second positioning groove, the outer end of the second movable support 6 is provided with a connecting plate 18, and the connecting plate 18 is fixedly connected with the second positioning groove of the second positioning plate 21 through a connecting bolt 19; before testing, the third movable support 6 and the second movable support 6 are synchronously moved along the sliding groove of the fixed support 5, so that the distance between the third movable support 6 and the first movable support 6 is adaptive to the width of a door frame of a civil air defense door, the connecting plate 18 on the third movable support 6 drives the connecting bolt 19 to move along the positioning groove of the positioning plate 17 in the adjusting process, the nut on the connecting bolt 19 is locked after the adjustment is completed, so that the position of the third movable support 6 is locked, meanwhile, the outer end of the third movable support 6 is connected with the overpressure chamber 1, the connecting plate 18 and the connecting bolt 19 on the second movable support 6 push the second positioning plate 21 to move along the two guide plates 20, the nuts on the plurality of guide bolts 22 are screwed after the adjustment of the third movable support 6 is completed, so that the positions of the second movable support 6 and the first movable support 6 are locked along the sliding groove of the third movable support 6, the distance between the second movable support 6 and the fixed support 5 is adaptive to the height of the door frame of the civil air defense door, the positions of the second movable support 6 and the first movable support 6 are moved along the sliding groove of the third movable support 6, so that the universal movable support 6 and the universal movable support 6 are connected with the universal movable support, and the universal movable support 6, and the universal support, and the universal movable support are connected with the universal support, and the universal support.

As shown in fig. 1 to 5, the device for testing the performance of the civil air defense door of the utility model, when in operation, firstly, the third movable support 6 is moved along the sliding groove of the fixed support 5, so that the space between the third movable support 6 and the first movable support 6 is adapted to the width of the door frame of the civil air defense door, after the adjustment is completed, the nut on the connecting bolt 19 on the third movable support 6 is locked, a plurality of guide bolts 22 are screwed, the position of the second movable support 6 is moved along the sliding groove of the third movable support 6, so that the distance between the second movable support 6 and the fixed support 5 is adapted to the height of the door frame of the civil air defense door, the nut on the connecting bolt 19 on the second movable support 6 is locked, thereby the positions of the second movable support 6, the third movable support 6 and the first movable support 6 are locked, and simultaneously the outer ends of the second movable support 6, the third movable support 6 and the first movable support 6 are connected with the overpressure chamber 1, at the moment, a supporting frame formed by the fixed support 5 and the three movable supports 6 is respectively aligned with a door frame of the civil air defense door, then the plurality of air bags 13 are inflated, the plurality of air bags 13 are expanded to seal and fill gaps between the three movable supports 6 and the overpressure chamber 1, then the civil air defense door is hoisted to place the civil air defense door communicated with the door frame on the fixed support 5 and the three movable supports 6 respectively, the plurality of press plates 7 are operated to press the door frame of the civil air defense door, the plurality of rubber strips 12 are compressed and expanded outwards, the upper end surfaces of the plurality of rubber strips 12 are tightly contacted with the door frame of the civil air defense door, and simultaneously the gaps between the plurality of rubber strips 12 are also sealed and filled, so that the gaps between the door frame of the civil air defense door and the fixed support 5 and the three movable supports 6 are sealed and filled up, high-pressure air is input into a pressurizing chamber of the overpressure chamber 1 through the inflation tube 3, the air pressure in the overpressure chamber 1 is observed through the air pressure meter 4, adjust the air delivery volume for the pointer of barometer 4 remains stable, obtains the air leakage volume of people's air defense door through the flowmeter on the gas tube 3, accomplishes the gas tightness test of people's air defense door at last, rotates the adjusting button of three-way valve 10, makes the pressurization cavity intercommunication of pressure relief pipe 11 and hyperbaric chamber 1, and the highly-compressed air in hyperbaric chamber 1 passes through three-way valve 10 and pressure relief pipe 11 and discharges, opens polypressing plate 7 and hangs away people's air defense door can.

The utility model discloses the main function who realizes does: can carry out the gas tightness test to the civil air defense door of not equidimension specification, the commonality is high.

The installation mode, the connection mode or the setting mode of the civil air defense door performance testing device of the utility model are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a people's air defense door capability test device's hyperbaric chamber 1, breather pipe 2, gas tube 3, barometer 4, rubber strip 12, gasbag 13, bolt 15, compression screw 16, connecting bolt 19, guide bolt 22 are purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A civil air defense door performance testing device comprises an overpressure chamber (1), an air pipe (2), an air charging pipe (3) and a barometer (4), wherein the overpressure chamber (1) is provided with the air pipe (2) which is communicated with the overpressure chamber, the air charging pipe (3) extends into the overpressure chamber (1), the barometer (4) is arranged on the side wall of the overpressure chamber (1) and a detection head of the barometer extends into the overpressure chamber (1); the novel seal ring device is characterized by further comprising a fixed support (5), three movable supports (6), a plurality of pressing plates (7), a one-way positioning frame (8) and a two-way positioning frame (9), the fixed support (5) is installed on an overpressure chamber (1), the inner side walls of the movable supports (6) and the fixed support (5) are provided with sliding grooves, the three movable supports (6) and the fixed support (5) are provided with sealing components, the three movable supports (6) and one end of the fixed support (5) are provided with sliding blocks, wear-resistant sealing rings are arranged on the sliding blocks, the sliding blocks of the fixed support (5) are in sliding connection with the sliding grooves of the movable supports (6), the sliding blocks of the movable supports (6) are in sliding connection with the sliding grooves of the fixed support (5), the sliding blocks of the movable supports (6) are in sliding connection with the sliding grooves of the fixed support (6), the pressing plates (7) are installed on the movable supports (6) and the fixed support (5), the one-way positioning frame (9) is installed on the two-way positioning frame (9) and the side walls of the movable supports (6).

2. A civil air defense door performance testing device according to claim 1, characterized by further comprising a three-way valve (10) and a pressure relief pipe (11), wherein the three-way valve (10) is installed on the outer wall of the overpressure chamber (1), the main channel of the three-way valve (10) extends into the pressurizing chamber of the overpressure chamber (1), the output end of the inflation pipe (3) is connected with one auxiliary channel of the three-way valve (10), and the pressure relief pipe (11) is installed on the other auxiliary channel of the three-way valve (10).

3. The civil air defense door performance testing device as claimed in claim 1, characterized in that the civil air defense door performance testing device further comprises a plurality of rubber strips (12) and a plurality of air bags (13), the plurality of rubber strips (12) are respectively installed at the top ends of the fixed support (5) and the three movable supports (6), one ends of the plurality of rubber strips (12) are respectively in close contact with the inner side wall of the adjacent rubber strips (12), the air bags (13) are respectively installed at the lower end surfaces of the three movable supports (6), and the plurality of air bags (13) are respectively provided with a gas inflating nozzle.

4. The civil air defense door performance testing device of claim 1, characterized by further comprising a plurality of pressure plate seats (14), a plurality of bolts (15) and a plurality of compression screws (16), wherein the outer walls of the fixed support (5) and the three movable supports (6) are respectively provided with the plurality of pressure plate seats (14), shaft levers are respectively arranged at the lower parts of the plurality of pressure plate seats (14), the upper parts of the plurality of pressure plate seats (14) are respectively provided with bolt holes, the lower ends of the plurality of pressure plates (7) are respectively connected with the shaft levers of the plurality of pressure plate seats (14) in a rotating manner, the plurality of bolts (15) respectively penetrate through the bolt holes of the plurality of pressure plate seats (14) to position the plurality of pressure plates (7), and the plurality of compression screws (16) are respectively connected with the tops of the plurality of pressure plates (7) in a rotating manner.

5. The civil air defense door performance testing device as claimed in claim 1, wherein the one-way positioning frame (8) comprises a positioning plate (17), a connecting plate (18) and a connecting bolt (19), the positioning plate (17) is mounted on the outer wall of the overpressure chamber (1), the positioning plate (17) is close to the outer end of the third movable support (6), a groove positioning groove is arranged on the positioning plate (17), the connecting plate (18) is mounted at the outer end of the third movable support (6), the connecting plate (18) is provided with a through hole, and the connecting bolt (19) passes through the through hole of the connecting plate (18) and the positioning groove of the positioning plate (17) and is locked by a nut.

6. The civil air defense door performance testing device of claim 5, characterized in that the bidirectional positioning frame (9) comprises two guide plates (20), a second positioning plate (21) and a plurality of guide bolts (22), the two three-way valves (10) are installed on the outer wall of the overpressure chamber (1), the two three-way valves (10) are close to the outer ends of the second movable support (6), both the two guide plates (20) are provided with guide grooves, a plurality of guide bolts (22) are respectively installed at both ends of the second positioning plate (21), the plurality of guide bolts (22) are respectively connected with the guide grooves of the two guide plates (20), the second positioning groove is arranged in the middle of the second positioning plate (21), the outer end of the second movable support (6) is provided with a connecting plate (18), and the connecting plate (18) is tightly connected with the second positioning groove of the second positioning plate (21) through the connecting bolt (19).