CN111594011B

CN111594011B - Basement civil air defense door with anti-collapse protection mechanism and use method thereof

Info

Publication number: CN111594011B
Application number: CN202010295908.5A
Authority: CN
Inventors: 王加齐
Original assignee: Guangxi Juan Civil Defense Engineering Protection Equipment Co ltd
Current assignee: Guangxi Juan Civil Defense Engineering Protection Equipment Co.,Ltd.
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-11-16
Anticipated expiration: 2040-04-15
Also published as: CN111594011A

Abstract

The invention discloses a basement civil air defense door with an anti-collapse protection mechanism, which comprises a door body, an anti-collapse steel plate and an anti-collapse protection mechanism, wherein the door body, the anti-collapse steel plate and the anti-collapse protection mechanism are vertically arranged, transverse end rods are horizontally arranged at the upper end and the lower end of the door body, longitudinal support rods are vertically arranged at the two ends of each transverse end rod, hydraulic cylinders I are obliquely arranged above the two sides of each longitudinal support rod, and the anti-collapse steel plate is connected above the hydraulic cylinders I in an extending mode through hydraulic cylinders I. The invention has the beneficial effects that: the fender steel sheet of preventing through the door body top both sides separates the mud stone that keeps off the slump, two prevent keeping off the steel sheet and upwards turning up simultaneously, for people provide the guard space of bigger tracts of land, very big improvement the security when this people's air defense door uses, and two pneumatic cylinders of the body top both sides one drives in step and prevents keeping off the steel sheet and upwards turn, support it in the both sides of preventing keeping off the steel sheet respectively through two hydraulic pressure posts, it is faster guaranteeing to prevent keeping off the steel sheet and upwards turning up reaction efficiency, when more asking for, intensity when the fender steel sheet of preventing keeping off props up has greatly been improved again.

Description

Basement civil air defense door with anti-collapse protection mechanism and use method thereof

Technical Field

The invention relates to a civil air defense door, in particular to a basement civil air defense door with an anti-collapse protection mechanism and a using method thereof, and belongs to the technical field of application of civil air defense doors.

Background

The civil air defense door is indispensable in the basement, and the civil air defense door is usually made of high-strength materials, and has high reliability, excellent protection performance and sealing performance, and good blocking, blasting and killing effects.

The existing civil air defense door for the basement still has great defects when in use, when the existing civil air defense door encounters accidents such as underground collapse and collapse, the protection space capable of being provided for people is very limited, the safety of the civil air defense door during use is very poor, the strength of a protection part on the civil air defense door is poor, the protection part can prevent the damage of the protection part caused by collapse easily in a protection area, the use safety of the civil air defense door is seriously reduced, the safety space of the civil air defense door capable of providing protection for a human body is small, the civil air defense door does not have the collapse prevention protection function, the stability of supporting protection is greatly reduced, when the civil air defense door encounters emergency accidents such as underground collapse and earthquake, the human body is easily damaged by crashing, and great potential safety hazards exist.

Disclosure of Invention

The invention aims to solve the problems that the existing civil air defense door has very limited protection space when meeting accidents such as underground collapse, collapse and the like, and the safety of the civil air defense door is very poor when in use; the strength of the protective part on the civil air defense door is poor, and the protective part is easy to collapse and lose in the process of blocking the protective area by the protective part, so that the use safety of the civil air defense door is seriously reduced; the civil air defense door has small safety space for protecting the human body, does not have the collapse prevention protection function, and greatly reduces the stability of supporting protection; when the civil air defense door encounters emergency accidents such as underground collapse, earthquake and the like, the civil air defense door is very easy to collapse and easily injures human bodies, and the problem of great potential safety hazard exists, so that the basement civil air defense door with the collapse prevention protection mechanism and the using method thereof are provided.

The purpose of the invention can be realized by the following technical scheme: a basement civil air defense door with an anti-collapse protection mechanism comprises a door body, an anti-collapse steel plate and an anti-collapse protection mechanism, wherein the door body, the anti-collapse steel plate and the anti-collapse protection mechanism are vertically arranged, transverse end rods are horizontally arranged at the upper end and the lower end of the door body, longitudinal support rods are vertically arranged at the two ends of each transverse end rod, a first hydraulic cylinder is obliquely arranged above the two sides of each longitudinal support rod, the upper part of each hydraulic cylinder is connected with the anti-collapse steel plate through a first hydraulic column in an extending mode, and the back face of the door body is provided with the anti-collapse protection mechanism;

the anti-collapse protection mechanism comprises two sliding support rods, two push-pull plates, two jacket-carrying frames and an inner hanging plate, wherein the sliding support rods are horizontally arranged at the upper end and the lower end of the anti-collapse protection mechanism respectively, a hydraulic cylinder II is horizontally arranged on the side wall, away from a door body, of each sliding support rod, the two jacket-carrying frames are arranged between the two sliding support rods in parallel, the two ends of each jacket-carrying frame extend to be connected with a stretching support plate, a grabbing rail is welded on the side wall of the stretching support plate, a clamping frame is fixedly sleeved on the grabbing rail, a push-pull plate in a rectangular structure is vertically welded on the side wall, away from the stretching support plate, of each clamping frame, and a plurality of support columns in a cylindrical structure are vertically arranged on the side wall, away from the clamping frame, of each push-pull plate at equal intervals;

one ends of the two hydraulic cylinders are connected with a push-pull plate in an extending mode through two hydraulic columns, and the two hydraulic columns are respectively vertically connected to the upper end and the lower end of the push-pull plate;

an inner hanging plate in a rectangular structure is vertically arranged in the middle of the side wall of one side, away from the door body, of each of the two sleeving carrying frames, a first bearing is sleeved in the middle of the inner hanging plate, a rotary connecting plate in a rectangular structure is sleeved on the first bearing, third bearings are arranged at two ends of the rotary connecting plate, pull arms are sleeved on the third bearings, second bearings matched with the pull arms are arranged in the middle of the two push-pull plates, and one ends, away from the rotary connecting plate, of the two pull arms are respectively sleeved on the second bearings;

the sleeve carrying frame is of a hollow cuboid structure, a hollow sliding bin is arranged in the sleeve carrying frame, one ends of the extension carrying plates and the grabbing rails are connected to the inside of the sliding bin, the end part of one end of the extension carrying plates, which is connected to the inside of the sliding bin, is provided with a movable plate in a cuboid structure, and two ends of the movable plate are sleeved with rollers;

the side walls of one side of the two longitudinal supporting rods, which are close to the collapse prevention protection mechanism, are both vertically provided with hollow sliding chutes, and both sides of the interior of each sliding chute are both provided with inner sliding buckets;

the side walls of one side of the two ends of the sliding support rod, which are close to the longitudinal support rod, are both vertically provided with screw shafts with cylindrical structures, and one end of each screw shaft, which is far away from the sliding support rod, is vertically provided with a sliding insertion plate with a cuboid structure,

the invention has further technical improvements that: the upper end of the first hydraulic column is provided with a first overturning column of a cylindrical structure, the circle center of the side wall of the two ends of the first overturning column is perpendicularly provided with a first rotating shaft, the two ends of the bottom of the first anti-blocking steel plate are respectively provided with a first hollow sleeve groove matched with the first overturning column, the first overturning column is overturned in the first sleeve groove, the first hydraulic column is convenient to push the first anti-blocking steel plate to move, and the inner wall of the two ends of the first sleeve groove is provided with a first rotating hole matched with the first rotating shaft.

The invention has further technical improvements that: prevent keeping off steel sheet top both ends and all being connected with the upset post two of cylindrical structure through the splice, and the two both ends lateral wall centre of a circle department of upset post all is provided with columniform pivot two perpendicularly, and is provided with the hollow cover groove two with upset post two-phase adaptation above the longitudinal support pole lateral wall, and two both ends inner walls of cover groove all are provided with hollow and pivot two-phase adaptation change hole two, and upset activity is in cover groove two to upset post two, is convenient for prevent keeping off the steel sheet and overturn the regulation and use from top to bottom.

The invention has further technical improvements that: the rotary connecting plate is rotatably connected with one bearing, two ends of the pull arm are respectively rotatably connected with the bearing III and the bearing II, the hydraulic cylinder II pushes the push-pull plate to move through the hydraulic column II, the push-pull plate drives the bearing II to move, the bearing II drives the pull arm to move, the pull arm pulls the bearing III to rotate, the bearing III drives the rotary connecting plate to rotate around the bearing I, the rotary connecting plate drives the other pull arm to move through the other bearing III, and the other pull arm pushes the other bearing II and the push-pull plate to move.

The invention has further technical improvements that: prevent keeping off inside the inlaying of steel sheet and establishing and install pressure sensor, and pressure sensor and the inside PLC controller communication connection who sets up of the door body, take place to collapse or when the mud stone circumstances of dropping in the basement, the mud stone falls on preventing keeping off the steel sheet, prevent keeping off the inside pressure sensor pressurized of inlaying of steel sheet and establishing, then with pressure signal transmission to the inside PLC controller who sets up of the door body, the work of pneumatic cylinder is then controlled to the PLC controller, the pneumatic cylinder drives hydraulic pressure post one and stretches out, hydraulic pressure post one promotes prevents that the fender steel sheet upwards stirs, keep off the steel sheet through preventing of door body top both sides and separate the mud stone that the fender collapsed.

The invention has further technical improvements that: the two sides of the movable plate are respectively connected to the inner walls of the two sides of the sliding bin in a rolling mode through idler wheels, through grooves matched with the stretching support plate and the grabbing rail are formed in the two ends of the sleeve loading frame, in the process that the stretching support plate is pushed by the second hydraulic column to stretch out of the sleeve loading frame, the idler wheels on the two sides of the movable plate are respectively attached to the side walls of the two sides of the sliding bin to roll, and the stretching support plate is guaranteed to stretch out of the sleeve loading frame more rapidly and smoothly.

The invention has further technical improvements that: the utility model discloses a safety door, including slide support bar, the spout of two vertical support bars, slide support bar both ends are all connected to respectively through the spiral shell axle in the spout of two vertical support bars, slide support bar's width is greater than the diameter of spiral shell axle, slide support bar slips to in the sliding hopper, guarantee that the protection mechanism that collapses can not drop from the door body, and slide support bar both sides are connected to in the sliding hopper, and the epaxial spiro union of spiral shell has the nut, spiral shell axle and slide support bar slide at spout and internal hopper respectively, this overall regulation prevents the high position of the protection mechanism that collapses, after the regulation finishes, it will prevent that the protection mechanism that collapses and vertical support bar are connected fixedly to revolve the nut clockwise soon, guarantee the basement of the better adaptation different grade type of this people's air defense door ability, and guarantee to stretch on the wall of basement can more accurate butt when moving.

The invention has further technical improvements that: the equal vertical triangle steel that is the triangle-shaped structure that is provided with of slide bar both ends top through the joint strength of triangle steel increase and the door body, improves the holistic life of this people's air defense door, with and the lateral wall of triangle steel one end laminating vertical supporting rod.

A use method of a basement civil air defense door with an anti-collapse protection mechanism specifically comprises the following steps:

the method comprises the following steps: the screw shaft and the sliding inserting plate respectively slide in the sliding groove and the inner sliding hopper by lifting the sliding support rod up and down, the height position of the anti-collapse protection mechanism is integrally adjusted, and after the adjustment is finished, the anti-collapse protection mechanism is fixedly connected with the longitudinal support rod by clockwise screwing the screw cap;

step two: when the basement collapses or the mudstone falls, the mudstone falls on the anti-blocking steel plate, the pressure sensor embedded in the anti-blocking steel plate is pressed, a pressure signal is sent to the PLC arranged in the door body, the PLC controls the first hydraulic cylinder to work, the first hydraulic cylinder drives the first hydraulic cylinder to move, the first hydraulic cylinder pushes the anti-blocking steel plate to turn upwards, the collapsed mudstone is blocked by the anti-blocking steel plates on two sides above the door body, and the two anti-blocking steel plates turn upwards at the same time;

step three: in the process of the upward turning of the anti-collapse steel plate, the two hydraulic cylinders II on the anti-collapse protection mechanism push the push-pull plate to move through the hydraulic columns II, the push-pull plate drives the grabbing rail and the stretching support plate to stretch out of the sleeve support frame through the clamping frame to be adjusted, and the end parts of the two stretching support plates at the two ends of the anti-collapse protection mechanism are abutted to the walls or rocks on the two sides of the basement.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is installed and used in a basement, when the basement collapses or the mud stones fall off, the mud stones fall on the blocking-proof steel plates, the pressure sensors embedded in the blocking-proof steel plates are pressed, pressure signals are sent to the PLC controller arranged in the door body, the PLC controller controls the hydraulic cylinders to work, the hydraulic cylinders drive the hydraulic cylinders to move, the hydraulic cylinders drive the blocking-proof steel plates to turn upwards, the blocking-proof steel plates on the two sides above the door body block the collapsed mud stones, the two blocking-proof steel plates simultaneously turn upwards, a larger-area protection space is provided for people, the safety of the people's air defense door in use is greatly improved, the two hydraulic cylinders drive the blocking-proof steel plates to turn upwards synchronously, the two blocking-proof steel plates are supported on the two sides of the blocking-proof steel plates respectively through the two hydraulic cylinders, and the upward turning reaction efficiency of the blocking-proof steel plates is ensured to be faster, The strength of the anti-blocking steel plate during supporting is greatly improved while the cable is more facilitated.

2. The back of the door body is provided with a collapse prevention protection mechanism, when emergency accidents such as underground collapse and the like do not occur, the support plate stretching and the holding rail retract into the clamping frame, the door body can be conveniently used for opening and closing in a basement, when emergency conditions such as collapse or collapse occur, the steel blocking prevention plate is turned upwards, in the process, two hydraulic cylinders II on the collapse prevention protection mechanism push the push-pull plate to move through hydraulic columns II, the push-pull plate drives the holding rail and the support plate to stretch out and adjust from the jacket-carrying frame through the clamping frame, the end parts of the two support plates at the two ends of the collapse prevention protection mechanism are abutted to the walls or rocks at the two sides of the basement, the stability of the support and protection of the civil air defense door is greatly improved, collapsed mudstones are prevented from being extruded to the inner side of the door body to hurt people, the safety and the reliability of the civil air defense door during use are greatly improved, and the civil air defense door is abutted to the ground through the support columns when the civil air defense door is inclined, the end of the support plate is matched to be propped against the wall, so that the people's air defense door is prevented from collapsing, the plurality of support columns are used for preventing a human body from being blocked, and the splashed massive falling rocks are prevented from injuring the human body refuge at the inner side of the door body.

3. In the process that the support plate stretches out from the jacket loading frame under the promotion of the second hydraulic column, the rollers on the two sides of the movable plate are respectively attached to the side walls on the two sides of the sliding bin to roll, the support plate is guaranteed to stretch out from the jacket loading frame more rapidly and smoothly, after the civil air defense door is installed in a basement, the sliding support rod is lifted up and down, the screw shaft and the sliding insert plate slide in the sliding chute and the inner sliding hopper respectively, the height position of the collapse prevention protection mechanism is prevented through integral adjustment, after the adjustment is finished, the collapse prevention protection mechanism is fixedly connected with the longitudinal support rod through clockwise screwing nuts, the basement of different types better in adaptation of the civil air defense door is guaranteed, and the support plate can be accurately abutted to the wall surface of the basement when stretching.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic overall perspective structure of the present invention.

FIG. 2 is a schematic view of a hydraulic cylinder according to the present invention.

Fig. 3 is a top view of the shield steel plate of the present invention.

FIG. 4 is a schematic view of the backside structure of the present invention.

FIG. 5 is an enlarged view of the area A in FIG. 4 according to the present invention.

FIG. 6 is an enlarged view of the area B in FIG. 4 according to the present invention.

FIG. 7 is an enlarged view of the detail of the area C in FIG. 4 according to the present invention.

FIG. 8 is a cross-sectional view of the nesting frame of the present invention.

FIG. 9 is a top view of the slide bar of the present invention.

In the figure: 1. a door body; 2. a transverse end bar; 3. a longitudinal strut; 4. a first hydraulic cylinder; 5. a block prevention steel plate; 6. a collapse prevention protection mechanism; 7. a first hydraulic column; 8. turning over the first column; 9. a first rotating shaft; 10. welding blocks; 11. turning over the second column; 12. a second rotating shaft; 13. a slide bar; 14. a second hydraulic cylinder; 15. a second hydraulic column; 16. a push-pull plate; 17. sleeving and carrying the frame; 18. extending the support plate; 19. an inner hanging plate; 20. screwing the plate; 201. a first bearing; 21. pulling the arm; 22. a support pillar; 23. a second bearing; 24. a chute; 25. an inner sliding hopper; 26. triangular steel; 27. a clamping frame; 28. grabbing a rail; 29. a third bearing; 30. a sliding chamber 31 and a movable plate; 32. a roller; 33. a through groove; 34. a screw shaft; 35. a slide inserting plate; 36. and (4) a nut.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a basement civil air defense door with an anti-collapse protection mechanism comprises a door body 1, an anti-collapse steel plate 5 and an anti-collapse protection mechanism 6 which are vertically arranged, wherein the upper end and the lower end of the door body 1 are both horizontally provided with a transverse rod 2, the two ends of each transverse rod 2 are both vertically provided with a longitudinal support rod 3, a hydraulic cylinder I4 is obliquely arranged above the two sides of each longitudinal support rod 3, the upper part of each hydraulic cylinder I4 is connected with the anti-collapse steel plate 5 in an extending manner through a hydraulic cylinder I7, and the back of the door body 1 is provided with the anti-collapse protection mechanism 6;

the collapse prevention protection mechanism 6 comprises two sliding support rods 13, two push-pull plates 16, two sleeve-carrying frames 17 and an inner hanging plate 19, wherein the two sliding support rods 13 are respectively positioned at the upper end and the lower end of the collapse prevention protection mechanism 6, a hydraulic cylinder 14 is horizontally arranged on the side wall, away from the door body 1, of each sliding support rod 13, the two sleeve-carrying frames 17 are arranged between the two sliding support rods 13 in parallel, the two ends of each sleeve-carrying frame 17 are connected with a stretching support plate 18 in an extending mode, a grabbing rail 28 is welded on the side wall of the stretching support plate 18, a clamping frame 27 is fixedly sleeved on the grabbing rail 28, the push-pull plate 16 in a rectangular structure is vertically welded on the side wall, away from the stretching support plate 18, of each push-pull plate 16, and a plurality of support columns 22 in a cylindrical structure are vertically arranged on the side wall, away from the clamping frame 27, at equal intervals;

one end of each of the two hydraulic cylinders II 14 is connected with one push-pull plate 16 in an extending mode through a hydraulic column II 15, and the two hydraulic columns II 15 are respectively vertically connected to the upper end and the lower end of one push-pull plate 16;

an inner hanging plate 19 in a rectangular structure is vertically arranged in the middle of the side wall of one side of each of the two sleeving and carrying frames 17, which is far away from the door body 1, a first bearing 201 is sleeved in the middle of the inner hanging plate 19, a rotating and connecting plate 20 in a rectangular structure is sleeved on the first bearing 201, three bearings 29 are arranged at two ends of the rotating and connecting plate 20, pull arms 21 are sleeved on the three bearings 29, second bearings 23 matched with the pull arms 21 are arranged in the middle of each of the two push-pull plates 16, and one ends of the two pull arms 21, which are far away from the rotating and connecting plate 20, are respectively sleeved on the second bearings 23;

the cover carrying frame 17 is of a hollow cuboid structure, a hollow sliding bin 30 is arranged inside the cover carrying frame 17, one ends of the extension carrying plate 18 and the grabbing rail 28 are connected to the inside of the sliding bin 30, a movable plate 31 in a cuboid structure is arranged at the end part of the extension carrying plate 18 connected to one end inside the sliding bin 30, and rollers 32 are sleeved at two ends of the movable plate 31;

the side walls of one side of the two longitudinal supporting rods 3 close to the collapse prevention protection mechanism 6 are both vertically provided with hollow sliding chutes 24, and both sides of the inside of each sliding chute 24 are both provided with inner sliding buckets 25;

the side walls of the two ends of the sliding support rod 13 close to the longitudinal support rod 3 are vertically provided with screw shafts 34 with cylindrical structures, one end of each screw shaft 34 far away from the sliding support rod 13 is vertically provided with a sliding insert plate 35 with a rectangular structure,

the upper end of the first 7 hydraulic columns is provided with a first 8 turning columns of a cylindrical structure, the circle centers of the side walls of the two ends of the first 8 turning columns are perpendicularly provided with a first 9 rotating shaft, the two ends of the bottom of the first 5 anti-blocking steel plates are respectively provided with a first hollow sleeve groove matched with the first 8 turning columns, the first 8 turning columns are turned in the first sleeve groove in a movable mode, the first 7 hydraulic columns are convenient to push the first anti-blocking steel plates 5 to move, and the inner walls of the two ends of the first sleeve groove are respectively provided with a first turning hole matched with the first 9 rotating shaft.

Prevent keeping off 5 top both ends of steel sheet and all being connected with two 11 of the upset posts of cylindrical structure through weld block 10, and the equal columniform pivot two 12 that is provided with perpendicularly of 11 both ends lateral wall centre of a circle departments of the upset post, and indulge 3 lateral walls tops of branch and be provided with the hollow cover groove two of two 11 looks adaptations of upset post, the two both ends inner wall of cover groove all is provided with hollow and the two 12 looks adaptations of pivot hole two, upset post two 11 upset activity in cover groove two, be convenient for prevent keeping off 5 upset regulation uses from top to bottom of steel sheet.

The rotary connecting plate 20 is rotatably connected with the first bearing 201, two ends of the pull arm 21 are rotatably connected with the third bearing 29 and the second bearing 23 respectively, the second hydraulic cylinder 14 pushes the second push-pull plate 16 to move through the second hydraulic column 15, the second push-pull plate 16 drives the second bearing 23 to move, the second bearing 23 drives the pull arm 21 to move, the pull arm pulls the third bearing 29 to rotate, the third bearing 29 drives the rotary connecting plate 20 to rotate around the first bearing 201, the rotary connecting plate 20 drives the other pull arm 21 to move through the other third bearing 29, and the other pull arm 21 pushes the other second bearing 23 and the second push-pull plate 16 to move.

Prevent keeping off 5 inside inlays of steel sheet and establish and install pressure sensor, and the PLC controller communication connection of pressure sensor and the inside setting of the door body 1, take place to collapse or when the mud stone condition of dropping in the basement, the mud stone drops on preventing keeping off steel sheet 5, the model that prevents keeping off 5 inside inlays of steel sheet and establishing is GPD 80G's pressure sensor pressurized, then in the model that sets up pressure signal transmission to the door body 1 inside is the PLC controller of CPM1A, the PLC controller then controls the work of pneumatic cylinder 4, pneumatic cylinder 4 then drives hydraulic pressure post 7 and stretches, hydraulic pressure post 7 promotes to prevent keeping off steel sheet 5 and upwards stirs, keep off the steel sheet 5 through preventing of the door body 1 top both sides and separate the mud stone that collapses and keep off.

Both sides of the movable plate 31 are respectively connected to the inner walls of both sides of the sliding bin 30 through rollers 32 in a rolling manner, through grooves 33 matched with the extension support plate 18 and the grabbing rails 28 are respectively arranged at both ends of the jacket support frame 17, and in the process that the second hydraulic column 15 pushes the extension support plate 18 to extend out of the jacket support frame 17, the rollers 32 on both sides of the movable plate 31 are respectively attached to the side walls of both sides of the sliding bin 30 in a rolling manner, so that the extension support plate 18 can extend out of the jacket support frame 17 more rapidly and smoothly.

The two ends of the sliding support rod 13 are respectively connected to the sliding grooves 24 of the two longitudinal support rods 3 through the screw shafts 34, the width of each sliding insertion plate 35 is larger than the diameter of the screw shaft 34, each sliding insertion plate 35 is connected to the corresponding inner sliding hopper 25 in a sliding mode, the collapse prevention protection mechanism 6 cannot fall off from the door body 1, the two sides of each sliding insertion plate 35 are connected to the corresponding inner sliding hopper 25, the screw shafts 34 are connected with the nuts 34 in a threaded mode, the screw shafts 34 and the sliding insertion plates 35 respectively slide in the sliding grooves 24 and the inner sliding hoppers 25, the height position of the collapse prevention protection mechanism 6 is integrally adjusted, after the adjustment is completed, the collapse prevention protection mechanism 6 and the longitudinal support rods 3 are fixedly connected through clockwise screwing the nuts 34, the people's air defense door can be better adapted to basements of different types, and the stretching support plate 18 can be accurately abutted to the wall surface of the basements.

Equal vertical triangular steel 26 that is the triangle-shaped structure that is provided with in slide support pole 13 both ends top, through the joint strength of triangular steel 26 increase and the door body 1, improve the holistic life of this people's air defense door, with and the lateral wall of vertical branch pole 3 is laminated to triangular steel 26 one end.

the method comprises the following steps: by lifting the sliding support rod 13 up and down, the screw shaft 34 and the sliding insertion plate 35 slide in the sliding groove 24 and the inner sliding hopper 25 respectively, the height position of the anti-collapse protection mechanism 6 is integrally adjusted, and after the adjustment is finished, the anti-collapse protection mechanism 6 is fixedly connected with the longitudinal support rod 3 by screwing the screw cap 34 clockwise;

step two: when the basement collapses or the mudstone falls, the mudstone falls on the anti-blocking steel plate 5, the pressure sensor embedded in the anti-blocking steel plate 5 is pressed, a pressure signal is sent to the PLC arranged in the door body 1, the PLC controls the first hydraulic cylinder 4 to work, the first hydraulic cylinder 4 drives the first hydraulic cylinder 7 to move, the first hydraulic cylinder 7 pushes the anti-blocking steel plate 5 to turn upwards, the anti-blocking steel plates 5 on two sides above the door body 1 block the collapsed mudstone, and the two anti-blocking steel plates 5 simultaneously turn upwards;

step three: in the process that the anti-collapse protection mechanism 5 is turned upwards, the two hydraulic cylinders 14 on the anti-collapse protection mechanism 6 push the push-pull plate 16 to move through the hydraulic cylinders 15, the push-pull plate 16 drives the grabbing rails 28 and the stretching support plates 18 to stretch out and adjust from the sleeve support frame 17 through the clamping frame 27, and the end parts of the two stretching support plates 18 at the two ends of the anti-collapse protection mechanism 6 are propped against the walls or rocks at the two sides of the basement.

The invention is installed and used in a basement, when the basement collapses or the mud stones fall, the mud stones fall on the blocking steel plates 5, the pressure sensors embedded in the blocking steel plates 5 are pressed, pressure signals are sent to the PLC controller arranged in the door body 1, the PLC controller controls the hydraulic cylinders I4 to work, the hydraulic cylinders I4 drive the hydraulic cylinders I7 to stretch, the hydraulic cylinders I7 push the blocking steel plates 5 to turn upwards, the blocking steel plates 5 on two sides above the door body 1 block the collapsed mud stones, the two blocking steel plates 5 simultaneously turn upwards, a larger-area protection space is provided for people, the safety of the people's air defense door in use is greatly improved, the two hydraulic cylinders I4 on two sides above the door body 1 synchronously drive the blocking steel plates 5 to turn upwards, the two hydraulic cylinders I7 respectively support the blocking steel plates 5 on two sides, the reaction efficiency of the upward turning of the anti-blocking steel plate 5 is higher and more convenient, and the strength of the anti-blocking steel plate 5 during the supporting process is greatly improved;

the back of the door body is provided with an anti-collapse protection mechanism 6, when no emergency accident such as underground collapse occurs, the extension support plate 18 and the grab rail 28 retract into the clamping frame 27, the door body 1 can be conveniently used for opening and closing in a basement, when the emergency situation such as collapse or collapse occurs, the anti-collapse steel plate 5 turns upwards, in the process, the two hydraulic cylinders 14 on the anti-collapse protection mechanism 6 push the push-pull plate 16 to move through the hydraulic columns 15, the push-pull plate 16 drives the grab rail 28 and the extension support plate 18 to extend out of the jacket support frame 17 through the clamping frame 27 for adjustment, the end parts of the two extension support plates 18 at the two ends of the anti-collapse protection mechanism 6 are abutted to the walls or rocks at the two sides of the basement, the stability of the support protection of the civil defense door is greatly improved, the collapsed mudstones are prevented from being extruded to the inner side of the door body 1 to cause injury, the safety and the reliability of the civil defense door when in use are greatly improved, and when the civil defense door inclines, the civil defense is abutted to the ground through the support column 22, the end part of the extension support plate 18 is matched to be abutted to a wall to prevent the civil air defense door from collapsing, and the plurality of support columns 22 are used for preventing a human body from being blocked, so that the human body refuged at the inner side of the door body is prevented from being injured by splashed large falling rocks;

in the process that the second hydraulic column 15 pushes the extension support plate 18 to extend out of the jacket support frame 17, the rollers 32 on two sides of the movable plate 31 are respectively attached to the side walls on two sides of the sliding bin 30 to roll, so that the extension support plate 18 can extend out of the jacket support frame 17 more rapidly and smoothly, after the civil air defense door is installed in a basement, the sliding support rod 13 is lifted up and down, the screw shaft 34 and the sliding support plate 35 slide in the sliding groove 24 and the inner sliding hopper 25 respectively, the height position of the collapse prevention protection mechanism 6 is integrally adjusted, after the adjustment is completed, the collapse prevention protection mechanism 6 and the longitudinal support rod 3 are fixedly connected by clockwise screwing the screw nut 34, the civil air defense door can be better matched with basements of different types, and the extension support plate 18 can be accurately abutted to the wall surface of the basement.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a basement people's air defense door with prevent protection mechanism that collapses, includes the door body (1) of vertical setting, prevents keeping off steel sheet (5) and prevent protection mechanism (6) that collapse, its characterized in that: the anti-collapse door is characterized in that transverse end rods (2) are horizontally arranged at the upper end and the lower end of the door body (1), longitudinal support rods (3) are vertically arranged at the two ends of the two transverse end rods (2), hydraulic cylinders (4) are obliquely arranged above the two sides of the two longitudinal support rods (3), a blocking-preventing steel plate (5) is movably connected above the hydraulic cylinders (4) through hydraulic cylinders (7), and a collapse-preventing protection mechanism (6) is arranged on the back of the door body (1);

wherein, the anti-collapse protection mechanism (6) comprises two sliding support rods (13) which are horizontally arranged, two push-pull plates (16), two sleeve-carrying frames (17) and an inner hanging plate (19), the two sliding support rods (13) are respectively positioned at the upper end and the lower end of the anti-collapse protection mechanism (6), a hydraulic cylinder II (14) is horizontally arranged on the side wall of one side of the two sliding support rods (13) far away from the door body (1), two sleeve-carrying frames (17) are arranged between the two sliding support rods (13) in parallel, two ends of each sleeve-carrying frame (17) are respectively connected with a stretching support plate (18) in a stretching mode, a grabbing rail (28) is welded on the side wall of each stretching support plate (18), a clamping frame (27) is fixedly sleeved on the grabbing rail (28), a push-pull plate (16) with a cuboid structure is vertically welded on the side wall of one side of the clamping frame (27) far away from the stretching support plate (18), and a plurality of supporting columns (22) with cylindrical structures are vertically arranged on the side wall of the push-pull plate (16) far away from the clamping frame (27) at equal intervals;

one ends of the two hydraulic cylinders II (14) are respectively connected with one push-pull plate (16) in an extending mode through hydraulic columns II (15), and the two hydraulic columns II (15) are respectively vertically connected to the upper end and the lower end of the push-pull plate (16);

an inner hanging plate (19) in a rectangular structure is vertically arranged in the middle of the side wall of one side, away from the door body (1), of each of the two sleeving carrying frames (17), a first bearing (201) is sleeved in the middle of each inner hanging plate (19), a rotating and connecting plate (20) in a rectangular structure is sleeved on each first bearing (201), three bearings (29) are arranged at two ends of each rotating and connecting plate (20), pull arms (21) are sleeved on the two third bearings (29), two bearings (23) matched with the pull arms (21) are arranged in the middle of each push-pull plate (16), and one ends, away from the rotating and connecting plate (20), of the two pull arms (21) are respectively sleeved on the two bearings (23);

the sleeve carrying frame (17) is of a hollow rectangular structure, a hollow sliding bin (30) is arranged in the sleeve carrying frame (17), one ends of the stretching carrying plate (18) and the grabbing rail (28) are connected to the inside of the sliding bin (30), a movable plate (31) of a rectangular structure is arranged at the end part of one end of the stretching carrying plate (18) connected to the inside of the sliding bin (30), and rollers (32) are sleeved at two ends of the movable plate (31);

the side walls of one side of the two longitudinal supporting rods (3) close to the anti-collapse protection mechanism (6) are both vertically provided with hollow sliding chutes (24), and both sides of the inside of each sliding chute (24) are both provided with inner sliding buckets (25);

the side wall of one side of the two ends of the sliding support rod (13) close to the longitudinal support rod (3) is vertically provided with a screw shaft (34) with a cylindrical structure, one end of the screw shaft (34) far away from the sliding support rod (13) is vertically provided with a sliding insertion plate (35) with a rectangular structure,

the basement civil air defense door with the collapse prevention protection mechanism is characterized in that a first overturning column (8) with a cylindrical structure is arranged at the upper end of the first hydraulic column (7), a first rotating shaft (9) is vertically arranged at the circle centers of the side walls at the two ends of the first overturning column (8), a first hollow sleeve groove matched with the first overturning column (8) is arranged at the two ends of the bottom of the first anti-blocking steel plate (5), and a first rotating hole matched with the first rotating shaft (9) is arranged on the inner wall at the two ends of the first sleeve groove.

2. The basement civil air defense door with the collapse prevention protection mechanism as claimed in claim 1, wherein the two ends above the anti-blocking steel plate (5) are connected with a second overturning column (11) with a cylindrical structure through a welding block (10), the circle centers of the side walls at the two ends of the second overturning column (11) are vertically provided with a second cylindrical rotating shaft (12), a second hollow sleeve groove matched with the second overturning column (11) is arranged above the side wall of the longitudinal support rod (3), and the inner walls at the two ends of the second sleeve groove are provided with second hollow rotating holes matched with the second rotating shaft (12).

3. The basement civil air defense door with the collapse prevention protection mechanism as claimed in claim 1, wherein the rotary connection plate (20) is rotatably connected with a first bearing (201), and two ends of the pull arm (21) are respectively rotatably connected with a third bearing (29) and a second bearing (23).

4. The basement civil air defense door with the collapse prevention protection mechanism as claimed in claim 1, wherein a pressure sensor is embedded inside the anti-blocking steel plate (5), and the pressure sensor is in communication connection with a PLC (programmable logic controller) arranged inside the door body (1).

5. The basement civil air defense door with the collapse prevention protection mechanism as claimed in claim 1, wherein both sides of the movable plate (31) are respectively connected to the inner walls of both sides of the sliding cabin (30) in a rolling manner through rollers (32), and both ends of the jacket loading frame (17) are provided with through grooves (33) matched with the extension loading plate (18) and the grabbing rail (28).

6. The basement civil air defense door with the anti-collapse protection mechanism is characterized in that two ends of each sliding support rod (13) are respectively connected into the sliding grooves (24) of the two longitudinal support rods (3) through screw shafts (34), the width of each sliding plate (35) is larger than the diameter of each screw shaft (34), two sides of each sliding plate (35) are connected into the inner sliding buckets (25), and the screw shafts (34) are screwed with nuts (36).

7. The basement civil air defense door with the collapse prevention protection mechanism as claimed in claim 1, wherein the triangular steel (26) with a triangular structure is vertically arranged above both ends of the sliding support rod (13), and one end of the triangular steel (26) is attached to the side wall of the longitudinal support rod (3).

8. The use method of the basement civil air defense door with the anti-collapse protection mechanism as claimed in claim 1 is characterized by comprising the following steps:

the method comprises the following steps: the height position of the anti-collapse protection mechanism (6) is integrally adjusted by lifting the sliding support rod (13) up and down, sliding the screw shaft (34) and the sliding inserting plate (35) in the sliding groove (24) and the inner sliding hopper (25) respectively, and after the adjustment is finished, the anti-collapse protection mechanism (6) is fixedly connected with the longitudinal support rod (3) by screwing the screw cap (36) clockwise;

step two: when the basement collapses or the mudstone falls, the mudstone falls on the anti-blocking steel plate (5), the pressure sensor embedded inside the anti-blocking steel plate (5) is pressed, a pressure signal is sent to the PLC arranged inside the door body (1), the PLC controls the first hydraulic cylinder (4) to work, the first hydraulic cylinder (4) drives the first hydraulic column (7) to stretch, the first hydraulic column (7) pushes the anti-blocking steel plate (5) to turn upwards, the collapsed mudstone is blocked by the anti-blocking steel plates (5) on two sides above the door body (1), and the two anti-blocking steel plates (5) turn upwards simultaneously;

step three: in the process that the anti-collapse protection mechanism (5) is turned upwards, two hydraulic cylinders II (14) on the anti-collapse protection mechanism (6) push the push-pull plate (16) to move through the hydraulic columns II (15), the push-pull plate (16) drives the grabbing rail (28) and the stretching support plate (18) to stretch out from the sleeving support frame (17) through the clamping frame (27) for adjustment, and the end parts of the two stretching support plates (18) at the two ends of the anti-collapse protection mechanism (6) are abutted to the walls or rocks at the two sides of the basement.