CN111663828A - Civil air defense basement structure - Google Patents
Civil air defense basement structure Download PDFInfo
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- CN111663828A CN111663828A CN202010538924.2A CN202010538924A CN111663828A CN 111663828 A CN111663828 A CN 111663828A CN 202010538924 A CN202010538924 A CN 202010538924A CN 111663828 A CN111663828 A CN 111663828A
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- Prior art keywords
- door opening
- door
- basement
- explosion
- air defense
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/06—Structures arranged in or forming part of buildings
- E04H9/08—Structures arranged underneath buildings, e.g. air-raid shelters
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
- E05C1/06—Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/50—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement
- E06B3/5009—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement where the sliding and rotating movements are necessarily performed simultaneously
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/02—Doors, windows, or like closures for special purposes; Border constructions therefor for out-buildings or cellars; Other simple closures not designed to be close-fitting
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a civil air defense basement structure, which comprises an underground passage, a basement arranged adjacent to the underground passage, an explosion-proof wall arranged between the underground passage and the basement, and a first door opening arranged on the explosion-proof wall and used for communicating the underground passage and the basement; a sealing system for sealing the first door opening is arranged in the first door opening and the underground chamber, and a camouflage system is arranged on one side of the underground passage of the first door opening; the closed system comprises an explosion-proof door capable of being opened or closed from the first door opening, and the camouflage system comprises a billboard arranged at one side of the underground passage of the first door opening. According to the invention, the advertising board is arranged on one side of the underground passage of the first door opening, so that the concealment of the first door opening is improved, the time for enemies to find the entrance of the basement is prolonged, and more time can be won for people to escape.
Description
Technical Field
The invention relates to the technical field of basements, in particular to a civil air defense basement structure.
Background
Civil air defense engineering is called civil air defense engineering for short, and also called civil air defense work, and refers to underground protective buildings which are independently built for guaranteeing shelter of personnel and materials in wartime, command of civil air defense and medical aid, and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly, effectively masking personnel and materials and preserving the war potential; the method is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time.
At present, the patent document with the publication number of CN107227794A discloses a civil air defense basement, and the main technical scheme is that the civil air defense basement comprises a top plate, a bottom plate, a wall body and an explosion-proof wall, wherein a civil air defense door opening is formed in one wall body, the explosion-proof wall is formed at the civil air defense door opening by arranging structures such as a temporary additional column and a steel plate, and the technical scheme solves the problems that the existing civil air defense basement has low protective performance, and the upper building has great influence on the civil air defense basement.
However, the civil air defense basement has the following defects: as the civil air defense door opening is usually exposed on the wall body, enemies can easily find the position of the civil air defense door opening, so that the blast wall at the civil air defense door opening is broken and disassembled, and the escape time of people in the underground chamber is shortened.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a civil air defense basement structure, which increases the concealment of a first door opening and improves the time for enemies to find a basement entrance by arranging a billboard at one side of the first door opening, which is positioned at an underground passage, so that more time can be won for people to escape.
The above object of the present invention is achieved by the following technical solutions:
a civil air defense basement structure comprises an underground passage, a basement arranged adjacent to the underground passage, an explosion-proof wall arranged between the underground passage and the basement, and a first door opening arranged on the explosion-proof wall and communicated with the underground passage and the basement; a sealing system for sealing the first door opening is arranged in the first door opening and the underground chamber, and a camouflage system is arranged on one side of the underground passage of the first door opening;
the sealing system comprises an explosion door which can be opened or closed from the first door opening, the camouflage system comprises a billboard which is arranged at the first door opening and positioned at one side of the underground passage, the billboard comprises an outer frame, the outer frame is fixed on the explosion-proof wall, and the first door opening is arranged in the outer frame; one side of the outer frame faces the wall surface and is communicated with the first door opening, one side of the outer frame, which is far away from the wall surface, is provided with a flange, the outer side of the flange is fixed on the edge of the outer frame, and the inner side of the flange forms a communication port; the billboard also comprises an advertisement curtain which is arranged inside the outer frame and can be lifted, and the advertisement curtain is connected with a driving device which can drive the advertisement curtain to lift.
Through adopting above-mentioned technical scheme, when taking place the war, the crowd of fleing can pass first door opening and get into in the basement from the underpass, after dropping the advertisement curtain, the advertisement curtain can shelter from first door opening, after raising the advertisement curtain, the crowd of fleing can open explosion vent and get into in the basement through first door opening, then drop the advertisement curtain again, thereby the bill-board has played the effect of sheltering from to the first door opening on the explosion vent, the disguise of first door opening has been increased, thereby increased the time that the enemy found first door opening, can strive for more escape time for the crowd of people in the basement.
The invention is further provided with: the camouflage system further comprises an advertisement screen arranged on the side of the explosion-proof door, which faces away from the basement.
Through adopting above-mentioned technical scheme, the advertisement screen can broadcast the advertisement, when explosion-proof door closed in first door opening department, if the personnel of fleing forget to drop the advertisement curtain, then the advertisement screen also can shelter from the explosion-proof door, increases enemy's identification time to explosion-proof door and first door opening.
The invention is further provided with: the size of the opening of the communication opening is smaller than that of the first door hole.
Through adopting above-mentioned technical scheme, after explosion-proof door closed, the flange can shelter from the edge of first door opening, and then hides the edge of explosion-proof door, has increased the time that enemy discerned explosion-proof door position.
The invention is further provided with: the driving device comprises a supporting shaft which is rotatably supported in the outer frame and also comprises a motor which is arranged in the outer frame, an output shaft of the motor is coaxially fixed with the supporting shaft, and the upper edge of the advertising curtain is fixed on the supporting shaft; the driving device further comprises a starting switch arranged inside the outer frame, the starting switch is also arranged inside the basement, and the starting switch is electrically connected with the motor through a control circuit so as to control the operation of the motor.
By adopting the technical scheme, the motor can drive the supporting shaft to rotate after being started, so that the advertisement curtain is wound on the supporting shaft to be lifted, or is released from the supporting shaft to be lowered, and the function of driving the advertisement curtain to be lifted is realized; people can realize the control of the lifting of the advertising curtain on the two sides of the first door opening through the two starting switches respectively.
The invention is further provided with: the driving device further comprises a balance weight rod fixedly arranged at the lower edge of the advertisement curtain.
Through adopting above-mentioned technical scheme, when the advertisement curtain goes up and down, the counter weight pole is favorable to making the advertisement curtain keep the state of tightening all the time to be favorable to avoiding the advertisement curtain card in the frame.
The invention is further provided with: the closed system also comprises a partition wall arranged in the basement, a second door opening is formed in the partition wall, and the size of the second door opening is the same as that of the first door opening; the closed system further comprises a slide way arranged below the first door opening and the second door opening, the slide way comprises two parts which are arranged in a crossed mode, and the two parts are respectively arranged in parallel with the explosion-proof wall and the partition wall;
the closed system also comprises a sliding block in sliding fit in the sliding way, a hinged shaft fixedly arranged on the sliding block, and a hinged seat fixedly arranged on the explosion door, wherein the hinged seat is hinged on the hinged shaft; the closed system further comprises a power shaft which is rotatably supported in the underground chamber, a power gear which is coaxially fixed on the power shaft, linkage teeth which are fixedly arranged on the hinged seat, and a power rack which is fixedly arranged on the sliding block, wherein the power rack is meshed with the power gear and the linkage teeth respectively.
Through adopting above-mentioned technical scheme, people's manual rotation power axle can drive power gear and rotate, thereby can drive the power rack and remove, and then drive the slider and slide in the slide, because the power rack simultaneously with linkage tooth intermeshing, consequently the power rack can also drive explosion vent simultaneously and rotate, make explosion vent slide between first door opening and second door opening, the realization carries out confined function respectively to first door opening and second door opening, be favorable to making people according to the nimble space of fleing of separating of wartime's condition.
The invention is further provided with: the hinged seat is rotatably supported with a roller which is in sliding fit in the slideway.
Through adopting above-mentioned technical scheme, the gyro wheel plays the supporting role for explosion vent on the one hand, and on the other hand can play the effect of supplementary direction for the removal of explosion vent between first door opening and second door opening.
The invention is further provided with: the underground chamber is internally provided with a door lock system, the door lock system comprises a sliding chute fixed on the wall surface provided with the first door opening, a door stop rack in sliding fit in the sliding chute, and an insertion frame fixedly arranged on the side surface of the explosion door facing the underground chamber, and the insertion frame corresponds to the sliding direction of the door stop rack; the door lock system further comprises a gear box fixedly arranged on the wall surface provided with the first door hole, the shutter rack penetrates through the gear box, the door lock system further comprises a driving shaft rotatably supported in the gear box, and the door lock system further comprises an opening and closing gear coaxially fixed on the driving shaft, and the opening and closing gear is meshed with the shutter rack.
Through adopting above-mentioned technical scheme, people's manual rotation driving shaft can drive and open and close gear revolve and then drive the shutter rack and slide along spout length direction, when shutter rack inserts and establishes in the grafting frame, can restrict opening of explosion vent to lock the explosion vent.
The invention is further provided with: a control device is arranged in the gear box, the control device comprises a ratchet wheel coaxially fixed on the driving shaft, a pawl rotatably supported in the gear box and springs respectively fixed between the pawl and the inner wall of the gear box, one end of each spring abuts against the pawl, and the other end of each spring abuts against the gear box; the control device further comprises a connecting rope connected to the pawl, and the connecting rope penetrates out of the gear box.
Through adopting above-mentioned technical scheme, when the pawl supported on the ratchet, the driving shaft only can take place single direction rotation to rotate the driving shaft and only can insert the plug-in frame with the shutter rack, and when needing to take out the shutter rack from the plug-in frame, must stimulate the connection rope and make pawl and ratchet separation just can the antiport driving shaft, realize the purpose of opening the door, security when having improved the lock system and locking explosion vent.
The invention is further provided with: the edge of the communicating opening is hinged with a glass door capable of sealing the communicating opening.
Through adopting above-mentioned technical scheme, the glass door can seal but does not influence the vision to watch to the inside space of bill-board to can keep apart influence factors such as the outside air current of bill-board, guarantee the stability of advertisement curtain position.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the advertising board has a shielding effect on the first door opening on the explosion-proof wall, and the concealment of the first door opening is improved, so that the time for enemies to find the first door opening is prolonged, and more escape time can be won for people in the underground chamber;
2. the power rack can simultaneously drive the explosion door to rotate when moving, so that the explosion door slides between the first door opening and the second door opening, the function of respectively sealing the first door opening and the second door opening is realized, and people can flexibly separate escape spaces according to wartime conditions;
3. the driving shaft is rotated manually, the opening and closing gear can be driven to rotate, then the shutter rack is driven to slide along the length direction of the sliding groove, when the shutter rack is inserted into the inserting frame, the opening of the explosion door can be limited, and therefore the explosion door is locked.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall structure view from another perspective of the present invention;
FIG. 3 is a cross-sectional view of the billboard to show the internal structure of the billboard;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of portion B of FIG. 2;
FIG. 6 is an enlarged partial schematic view of portion C of FIG. 2;
fig. 7 is a partially enlarged schematic view of a portion D in fig. 2.
In the figure, 1, an underground passage; 2. a basement; 3. an explosion-proof wall; 4. a first door opening; 5. a closed system; 51. an explosion vent; 52. a partition wall; 53. a second door opening; 54. a slideway; 55. a slider; 551. hinging a shaft; 56. a hinged seat; 561. a linkage tooth; 562. a roller; 57. a power shaft; 571. a power hand wheel; 58. a power gear; 59. a power rack; 6. a camouflage system; 61. a billboard; 611. an outer frame; 612. a flange; 613. a communication port; 614. a glass door; 615. an advertising curtain; 62. a drive device; 621. a support shaft; 622. an electric motor; 623. starting a switch; 624. a weight lever; 63. an advertisement screen; 7. a door lock system; 71. a chute; 72. a shutter rack; 73. a plug-in frame; 74. a gear case; 75. a drive shaft; 751. opening and closing a hand wheel; 76. opening and closing the gear; 8. a control device; 81. a ratchet wheel; 82. a pawl; 83. a spring; 84. connecting ropes; 841. a pull rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a civil air defense basement structure disclosed by the invention comprises an underground passage 1, a basement 2 arranged adjacent to the underground passage 1, an explosion-proof wall 3 arranged between the underground passage 1 and the basement 2 and used for separating space, and a first door opening 4 arranged on the explosion-proof wall 3; wherein, underpass 1 can be the public access in places such as subway, underground commercial street, and blast wall 3 is used for separating the space of underpass 1 and basement 2, and first door opening 4 communicates underpass 1 and basement 2, installs in first door opening 4 and the basement 2 and is used for sealing closed system 5 of first door opening 4, and camouflage system 6 is installed to one side that first door opening 4 is located underpass 1 to increase enemy's time of finding first door opening 4 position.
Referring to fig. 2 and 3, the closed system 5 includes an explosion-proof door 51 matched with the first door opening 4, and the explosion-proof door 51 can be opened or closed from the first door opening 4, so that people can enter the basement 2 from the underground passage 1; the camouflage system 6 comprises a billboard 61 arranged at one side of the underground passage 1 at the first door opening 4, the billboard 61 comprises an outer frame 611 with a cavity structure, the outer frame 611 is fixed on the blast wall 3, and the first door opening 4 is arranged at the inner side of the outer frame 611; one side of the outer frame 611 faces the wall surface and is communicated with the first door opening 4, and with reference to fig. 1, one side of the outer frame 611 facing away from the wall surface is provided with a flange 612 with a frame-shaped structure, the outer side of the flange 612 is fixed at the edge of the outer frame 611, the inner side of the flange 612 forms a communication port 613 communicated with the inside of the outer frame 611, the edge of the communication port 613 is hinged with a glass door 614, and the glass door 614 can seal the communication port 613; the advertising board 61 further comprises an advertising curtain 615 which is arranged inside the outer frame 611 and can be lifted, the advertising curtain 615 is connected with a driving device 62 which can drive the advertising curtain 615 to lift, after the advertising curtain 615 is lifted, the advertising curtain 615 can shield the first door opening 4, after the advertising curtain 615 is lifted, people who escape can open the explosion-proof door 51 to enter the basement 2 through the first door opening 4, then the advertising curtain 615 is lifted, therefore, the advertising board 61 plays a shielding role on the first door opening 4 on the explosion-proof wall 3, the time for enemy to find the first door opening 4 is increased, and more escape time can be obtained for people in the basement 2.
Referring to fig. 2 and 3, the camouflage system 6 further comprises an advertisement screen 63 installed on a side of the explosion vent 51 opposite to the basement 2, wherein the advertisement screen 63 is capable of playing advertisements, and when the explosion vent 51 is closed at the first door opening 4, if the evacuee forgets to lower the advertisement screen 615, the advertisement screen 63 can also shield the explosion vent 51, so as to increase the identification time of the enemy on the explosion vent 51 and the first door opening 4; in addition, with reference to fig. 1, the opening size of the communication port 613 formed inside the flange 612 is smaller than the size of the first door opening 4, so that after the explosion door 51 is closed, the flange 612 can shield the edge of the first door opening 4, and hide the edge of the explosion door 51, thereby increasing the time for an enemy to recognize the position of the explosion door 51.
Referring to fig. 3 and 4, the driving device 62 of the advertisement curtain 615 includes a supporting shaft 621 rotatably supported inside the outer frame 611, the supporting shaft 621 is installed above the first door opening 4, the driving device 62 further includes a motor 622 installed inside the outer frame 611, an output shaft of the motor 622 is coaxially fixed with the supporting shaft 621, an upper edge of the advertisement curtain 615 is fixed on the supporting shaft 621, and the motor 622 can drive the supporting shaft 621 to rotate after being started, so that the advertisement curtain 615 is wound on the supporting shaft 621 to raise the advertisement curtain 615, or is released from the supporting shaft 621 to lower the advertisement curtain 615, thereby realizing a function of driving the advertisement curtain 615 to raise and lower; the driving device 62 further includes a starting switch 623 installed inside the outer frame 611 and capable of controlling the operation of the motor 622, the wall inside the basement 2 is also provided with the starting switch 623 capable of controlling the operation of the motor 622, the starting switch 623 is electrically connected with the motor 622 through a control circuit, both the two starting switches 623 are capable of controlling the operation of the motor 622, and the control circuit is the prior art, so that people can control the lifting of the advertising curtain 615 at both sides of the first door opening 4; in addition, the driving device 62 further includes a weight lever 624 fixedly disposed at a lower edge of the advertisement curtain 615, and when the advertisement curtain 615 is lifted, the weight lever 624 is beneficial to always keep the advertisement curtain 615 in a tight state, so as to be beneficial to preventing the advertisement curtain 615 from being stuck in the outer frame 611.
Referring to fig. 2 and 5, the closed system 5 further includes a partition wall 52 disposed in the basement 2, the partition wall 52 is perpendicular to the blast wall 3, a second door opening 53 is formed in the partition wall 52, the second door opening 53 and the first door opening 4 have the same size, and are symmetrically disposed about a connecting line of the partition wall 52 and the blast wall 3; the closed system 5 further comprises a slide way 54 arranged below the first door opening 4 and the second door opening 53, the slide way 54 is of a right-angle structure, two parts of the right-angle structure are respectively arranged in parallel with the explosion-proof wall 3 and the partition wall 52, the closed system 5 further comprises a slide block 55 in sliding fit with the slide way 54, a vertical hinge shaft 551 fixedly arranged on the slide block 55, and a hinge seat 56 fixedly arranged on the explosion-proof door 51, and the hinge seat 56 is hinged on the hinge shaft 551; with reference to fig. 6, the closed system 5 further includes a power shaft 57 rotatably supported in the basement 2, a power gear 58 coaxially fixed on the power shaft 57, a linkage tooth 561 fixedly disposed on the hinge seat 56, and a power rack 59 fixedly disposed on the slider 55, wherein the power rack 59 is engaged with the power gear 58 and the linkage tooth 561 respectively, and the power rack 59 is disposed in parallel with the partition wall 52; a power hand wheel 571 convenient for rotating the power shaft 57 is coaxially and fixedly arranged on the power shaft 57, the power hand wheel 571 is rotated to rotate the power shaft 57, the power gear 58 can be driven to rotate, so that the power rack 59 can be driven to move, and the sliding block 55 is driven to slide in the sliding way 54, because the power rack 59 is meshed with the linkage teeth 561 at the same time, the power rack 59 can also drive the explosion-proof door 51 to rotate at the same time, so that the explosion-proof door 51 slides between the first door opening 4 and the second door opening 53, and the function of respectively sealing the first door opening 4 and the second door opening 53 is realized; in addition, with reference to fig. 7, in order to balance the stress on the explosion vent 51, a roller 562 is further rotatably supported on the hinge seat 56, the roller 562 is slidably fitted in the slide 54, and the roller 562 plays a supporting role for the explosion vent 51 on one hand, and can play an auxiliary guiding role for the movement of the explosion vent 51 between the first door opening 4 and the second door opening 53 on the other hand.
Referring to fig. 2 and 7, a door lock system 7 for locking the explosion door 51 is installed in the basement 2, the door lock system 7 includes a horizontally disposed sliding groove 71, the sliding groove 71 is fixed on a wall surface provided with the first door opening 4, the door lock system 7 further includes a door stop rack 72 slidably fitted in the sliding groove 71, and the door stop rack 72 is in a long strip-shaped structure; the door lock system 7 further comprises a plug-in frame 73 fixedly arranged on the side surface of the explosion-proof door 51 facing the basement 2, and the plug-in frame 73 corresponds to the shutter rack 72 in the horizontal direction; the door lock system 7 further comprises a gear box 74 fixedly arranged on the wall surface provided with the first door opening 4, a hole for the door blocking rack 72 to pass through is arranged on the gear box 74, the door blocking rack 72 passes through the gear box 74, the door lock system 7 further comprises a driving shaft 75 rotatably supported in the gear box 74, the driving shaft 75 is vertically arranged, the driving shaft 75 penetrates out of the gear box 74, and the driving shaft 75 is coaxially fixed with an opening and closing hand wheel 751 on the part outside the gear box 74, the door lock system 7 further comprises an opening and closing gear 76 coaxially fixed on the driving shaft 75, the opening and closing gear 76 is engaged with the shutter rack 72, the driving shaft 75 is driven to rotate by rotating the opening and closing hand wheel 751, the opening and closing gear 76 can be driven to rotate, the shutter rack 72 is driven to slide along the length direction of the sliding groove 71, when the shutter rack 72 is inserted into the insertion frame 73, the opening of the explosion door 51 is restricted, and the explosion door 51 is locked.
Referring to fig. 2 and 7, a control device 8 for controlling the rotation of the driving shaft 75 is installed in the gear box 74, the control device 8 comprises a ratchet wheel 81 coaxially fixed on the driving shaft 75, a pawl 82 rotatably supported in the gear box 74, and springs 83 respectively fixed between the pawl 82 and the inner wall of the gear box 74, one end of each spring 83 abuts against the pawl 82, the other end abuts against the gear box 74, and each spring 83 has a tendency to push the pawl 82 against the ratchet wheel 81, so that the driving shaft 75 is limited to rotate only in one direction; the control device 8 further comprises a connecting rope 84 connected to the pawl 82, a through hole for the connecting rope 84 to penetrate out is formed in the gear box 74, the connecting rope 84 penetrates out of the gear box 74, a pull rod 841 which is convenient for pulling the connecting rope 84 is fixed at the end portion, located outside the gear box 74, of the connecting rope 84, the pawl 82 can be pulled by pulling the pull rod 841, the connecting rope 82 is separated from the ratchet 81, and therefore the driving shaft 75 can rotate freely.
The working principle of the invention is that when a war occurs, people can enter the basement 2 from the underground passage 1 through the first door opening 4, the advertisement curtain 615 can shield the first door opening 4 after the advertisement curtain 615 is lowered, the people can open the explosion-proof door 51 to enter the basement 2 through the first door opening 4 after the advertisement curtain 615 is raised, and then the advertisement curtain 615 is lowered, so that the advertising board 61 can shield the first door opening 4 on the explosion-proof wall 3, the time for the enemy to find the first door opening 4 is increased, and more escape time can be won for people in the basement 2.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A civil air defense basement structure comprises an underground passage (1), a basement (2) arranged adjacent to the underground passage (1), an explosion-proof wall (3) arranged between the underground passage (1) and the basement (2), and a first door opening (4) arranged on the explosion-proof wall (3) and used for communicating the underground passage (1) with the basement (2); the method is characterized in that: a sealing system (5) for sealing the first door opening (4) is arranged in the first door opening (4) and the basement (2), and a camouflage system (6) is arranged on one side, located on the underground passage (1), of the first door opening (4);
the closed system (5) comprises an explosion-proof door (51) capable of being opened or closed from the first door opening (4), the camouflage system (6) comprises a billboard (61) arranged at one side of the underground passage (1) and arranged at the first door opening (4), the billboard (61) comprises an outer frame (611), the outer frame (611) is fixed on the explosion-proof wall (3), and the first door opening (4) is arranged inside the outer frame (611); one side of the outer frame (611) faces the wall surface and is communicated with the first door opening (4), one side of the outer frame (611) departing from the wall surface is provided with a flange (612), the outer side of the flange (612) is fixed on the edge of the outer frame (611), and the inner side of the flange (612) forms a communication port (613); the advertising board (61) further comprises an advertising curtain (615) which is arranged in the outer frame (611) and can be lifted, and the advertising curtain (615) is connected with a driving device (62) which can drive the advertising curtain (615) to lift.
2. A civil air defense basement structure according to claim 1, wherein: the camouflage system (6) further comprises an advertisement screen (63) arranged on the side of the explosion-proof door (51) facing away from the basement (2).
3. A civil air defense basement structure according to claim 2, wherein: the size of the opening of the communication port (613) is smaller than the size of the first door opening (4).
4. A civil air defense basement structure according to any of claims 1-3, wherein: the driving device (62) comprises a supporting shaft (621) rotatably supported in the outer frame (611), and further comprises a motor (622) arranged in the outer frame (611), an output shaft of the motor (622) is coaxially fixed with the supporting shaft (621), and the upper edge of the advertising curtain (615) is fixed on the supporting shaft (621); the driving device (62) further comprises a starting switch (623) arranged in the outer frame (611), the starting switch (623) is also arranged in the basement (2), and the starting switch (623) is electrically connected with the motor (622) through a control circuit so as to control the operation of the motor (622).
5. The civil air defense basement structure of claim 4, wherein: the driving device (62) further comprises a balance weight rod (624) fixedly arranged at the lower edge of the advertising curtain (615).
6. A civil air defense basement structure according to any of claims 1-3, wherein: the closed system (5) further comprises a partition wall (52) arranged in the basement (2), a second door opening (53) is formed in the partition wall (52), and the second door opening (53) is the same as the first door opening (4) in size; the closed system (5) further comprises a slide way (54) arranged below the first door opening (4) and the second door opening (53), the slide way (54) comprises two parts which are arranged in a crossed mode, and the two parts are respectively arranged in parallel with the explosion-proof wall (3) and the partition wall (52);
the sealing system (5) further comprises a sliding block (55) which is in sliding fit with the sliding rail (54), a hinge shaft (551) which is fixedly arranged on the sliding block (55), and a hinge seat (56) which is fixedly arranged on the explosion door (51), wherein the hinge seat (56) is hinged on the hinge shaft (551); the closed system (5) further comprises a power shaft (57) rotatably supported in the basement (2), a power gear (58) coaxially fixed on the power shaft (57), linkage teeth (561) fixedly arranged on the hinged seat (56), and a power rack (59) fixedly arranged on the sliding block (55), wherein the power rack (59) is meshed with the power gear (58) and the linkage teeth (561) respectively.
7. The civil air defense basement structure of claim 6, wherein: the hinged seat (56) is rotatably supported with a roller (562), and the roller (562) is in sliding fit in the slideway (54).
8. A civil air defense basement structure according to any of claims 1-3, wherein: a door lock system (7) is installed in the basement (2), the door lock system (7) comprises a sliding groove (71) fixed on the wall surface provided with the first door opening (4), a door blocking rack (72) in sliding fit with the sliding groove (71), and an inserting frame (73) fixedly arranged on the side surface of the explosion-proof door (51) facing the basement (2), wherein the inserting frame (73) corresponds to the sliding direction of the door blocking rack (72); the door lock system (7) further comprises a gear box (74) fixedly arranged on the wall surface provided with the first door opening (4), the door stop rack (72) penetrates through the gear box (74), the door lock system (7) further comprises a driving shaft (75) rotatably supported in the gear box (74), and further comprises an opening and closing gear (76) coaxially fixed on the driving shaft (75), and the opening and closing gear (76) is meshed with the door stop rack (72).
9. The civil air defense basement structure of claim 8, wherein: a control device (8) is arranged in the gear box (74), the control device (8) comprises a ratchet wheel (81) coaxially fixed on the driving shaft (75), a pawl (82) rotatably supported in the gear box (74), and springs (83) respectively fixed between the pawl (82) and the inner wall of the gear box (74), one end of each spring (83) is abutted against the pawl (82), and the other end of each spring (83) is abutted against the gear box (74); the control device (8) further comprises a connecting rope (84) connected to the pawl (82), and the connecting rope (84) penetrates through the gear box (74).
10. A civil air defense basement structure according to any of claims 1-3, wherein: the edge of the communication port (613) is hinged with a glass door (614) capable of sealing the communication port (613).
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| CN202010538924.2A CN111663828B (en) | 2020-06-13 | 2020-06-13 | Civil air defense basement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324015A (en) * | 2020-10-26 | 2021-02-05 | 广东汉盈建设有限公司 | Environment-friendly building partition wall and construction method thereof |
| CN114837294A (en) * | 2022-05-23 | 2022-08-02 | 成都市人防建筑设计研究院有限公司 | Prefabricated partition mechanism of civil air defense underground space |
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Cited By (3)
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|---|---|---|---|---|
| CN112324015A (en) * | 2020-10-26 | 2021-02-05 | 广东汉盈建设有限公司 | Environment-friendly building partition wall and construction method thereof |
| CN114837294A (en) * | 2022-05-23 | 2022-08-02 | 成都市人防建筑设计研究院有限公司 | Prefabricated partition mechanism of civil air defense underground space |
| CN114837294B (en) * | 2022-05-23 | 2024-05-07 | 成都市人防建筑设计研究院有限公司 | Prefabricated separating mechanism of civil air defense underground space |
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| CN111663828B (en) | 2021-10-29 |
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