CN113338774B - Explosion-proof people's air defense door of steel construction - Google Patents
Explosion-proof people's air defense door of steel construction Download PDFInfo
- Publication number
- CN113338774B CN113338774B CN202110722621.0A CN202110722621A CN113338774B CN 113338774 B CN113338774 B CN 113338774B CN 202110722621 A CN202110722621 A CN 202110722621A CN 113338774 B CN113338774 B CN 113338774B
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- Prior art keywords
- door
- air defense
- plate
- mounting plate
- threshold
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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
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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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
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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
- E06B3/70—Door leaves
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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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- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention belongs to the technical field of civil air defense doors, in particular to a steel structure explosion-proof civil air defense door, which comprises a base, a first mounting plate, a second mounting plate and a linkage mechanism; a door frame is formed between the first mounting plate and the second mounting plate; the linkage mechanism comprises a bearing seat, a rotating shaft, a door plate, a mounting groove, a worm wheel, a connecting gear, a rack and a threshold; the first mounting plate is rotationally connected with a rotating shaft through a bearing seat; the outer edge of the rotating shaft is fixedly connected with a door plate; according to the invention, the linkage mechanism is arranged, so that the doorsill is synchronously lifted when the civil air defense door is closed, and the doorsill does not influence the passing of personnel and vehicles when the civil air defense door is in an open state, so that the use is more convenient, the doorsill is prevented from being deformed and damaged in the trampling process, the service life of the doorsill is prolonged, the maintenance cost is reduced, and the civil air defense door has a better protection effect.
Description
Technical Field
The invention belongs to the technical field of civil air defense doors, and particularly relates to an explosion-proof civil air defense door with a steel structure.
Background
The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises a common single-leaf and double-leaf protection airtight door and airtight door, a movable threshold single-leaf and double-leaf protection airtight door, airtight door and other various civil air defense devices. The civil air defense door can also be divided into an explosion-proof door, a fireproof door and the like according to different using requirements, and the existing explosion-proof civil air defense door is usually made of a steel structure so as to increase the explosion-proof performance.
A chinese patent with application number CN202011613843.0 discloses a civil air defense door, comprising a door frame and a door leaf, wherein the door leaf is hinged to the door frame, and a closed structure is arranged between the door frame and the door leaf; the periphery of the door leaf is provided with a groove of the door leaf, the upper side of the door frame is provided with a containing groove, a water absorption base plate which is horizontally arranged and one side of the water absorption base plate can be inserted into the groove is slidably connected in the containing groove, the upper side of the door leaf is fixedly provided with a water tank, the positions of the two ends of the water tank corresponding to the water absorption base plate are vertically fixedly connected with water guide pipes, one side of each water guide pipe, which is close to the water absorption base plate, is provided with water outlet holes, the upper sides of the water guide pipes corresponding to the water outlet holes are respectively and rotatably provided with a rotating shaft, a valve plate is fixedly connected on the rotating shaft, two ends of the water absorption base plate are horizontally provided with sliding grooves, and the end parts of each rotating shaft are fixedly connected with connecting rods which are slidably connected in the sliding grooves; a first temperature sensing glass bubble is arranged in the door frame; in this technical scheme, the threshold influences personnel and the traffic of vehicle under normally open state, gives people and brings inconvenience, and the threshold warp even damages easily under long-term trampling and rolling moreover, influences the leakproofness when closing the people's air defense door, leads to the people's air defense door unable normal shut even, leads to unable play fine guard action to personnel under special circumstances.
Disclosure of Invention
In order to make up for the defects of the prior art, the steel structure explosion-proof civil air defense door provided by the invention solves the problem that the threshold of the civil air defense door influences the passing of people and vehicles in a normally open state, and brings inconvenience to people.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a steel structure explosion-proof civil air defense door, which comprises a base, a first mounting plate, a second mounting plate and a linkage mechanism, wherein the base is provided with a first connecting plate; a door frame is formed between the first mounting plate and the second mounting plate; the linkage mechanism comprises a bearing seat, a rotating shaft, a door plate, a mounting groove, a worm wheel, a connecting gear, a rack and a threshold; one side of the first mounting plate, which is close to the second mounting plate, is fixedly connected with a group of bearing seats, and the first mounting plate is rotationally connected with a rotating shaft through the bearing seats; the outer edge of the rotating shaft is fixedly connected with a door plate; the base is provided with a mounting groove at the position corresponding to the door plate; the bottom end of the rotating shaft penetrates into the mounting groove; the bottom end of the rotating shaft is fixedly connected with a worm; one side of the worm, which is close to the second mounting plate, is meshed with a worm wheel; one side of the worm wheel, which is far away from the worm, is meshed with a connecting gear; the worm wheel and the connecting gear are both rotationally connected to the inner wall of the mounting groove; one side of the connecting gear, which is close to the second mounting plate, is meshed with a rack; the bottom end of the rack is in sliding connection with the inner bottom wall of the mounting groove; the top end of the rack is contacted with a threshold; the doorsill is connected with the inner wall of the mounting groove in a sliding manner;
in the prior art; the civil air defense door is normally in a normally open state and can be closed under special conditions such as fire, explosion and war, the threshold in the normally open state affects the passing of people and vehicles, inconvenience is brought to people, the threshold is easy to deform or even damage under long-term treading and rolling, the tightness of the closed civil air defense door is affected, even the civil air defense door cannot be normally closed, and a good protection effect cannot be achieved on the personnel under the special conditions;
according to the invention, the linkage mechanism is arranged, when the civil air defense door is in an open state, the door plate is close to the position of the first mounting plate, the threshold is positioned in the base, when the civil air defense door needs to be closed, the door plate is closed to drive the rotating shaft to rotate in the bearing seat towards the position of the second mounting plate, the rotating shaft is rotated to drive the worm to synchronously rotate, so that the worm drives the worm wheel meshed with the worm wheel to rotate, the connecting gear is matched with the tooth form of the worm wheel, the worm wheel drives the connecting gear meshed with the worm wheel to rotate, the connecting gear drives the rack to slide upwards, so that the rack ejects the threshold out of the mounting groove, when the door plate rotates to be attached to the second mounting plate, the threshold is attached to the door plate, so that the civil air defense door can be better protected, when the civil air defense door is closed, the threshold does not influence the passing of people and vehicles, the use is more convenient, the threshold is prevented from being deformed and damaged in the stepping process, the service life of the threshold is prolonged, the maintenance cost is reduced, and the civil air defense door has better protection effect.
Preferably, the top of the threshold contacts the cover plate; a group of limiting blocks are fixedly connected between the inner walls of the mounting grooves; the cover plate is positioned at the top of the limiting block; a group of limit grooves are formed in the threshold; the limiting groove is matched with the limiting block; the bottom of the cover plate is fixedly connected with a first spring; the first spring penetrates through the threshold and is fixedly connected to the inner bottom wall of the mounting groove; during operation, when people's air defense door is in the open condition, the apron covers the mounting groove at spacing groove opening part, the stopper supports the apron, the apron plays the guard action to the threshold, prevent simultaneously that the threshold from trampling and squeezing, cause the threshold to reciprocate, lead to people's air defense door to close thereupon, when closing people's air defense door, the apron keeps at the top of threshold under the pulling force effect of spring No. one, prevent that the apron skew from causing the leakproofness of people's air defense door to reduce, simultaneously when the threshold reciprocates, the spacing groove on the threshold slides along the stopper, prevent that the threshold from taking place the skew at the removal in-process for people's air defense door can normally close and seal, improve the stability of structure.
Preferably, a first hydraulic rod is fixedly connected to one side, close to the door plate, of the second mounting plate; the piston rod of the first hydraulic rod faces towards the door plate; during operation, when closing the civil air defense door, stretch out the piston rod of hydraulic rod No. one through the controller and support the door plant, supplementary door plant locking prevents that the explosion from leading to the civil air defense door to rock, causes the door plant to be opened, when opening the civil air defense door, earlier the piston rod of hydraulic rod No. one through controller control withdraws, and operating personnel promotes the door plant to piston rod department when, the piston rod of rethread controller control hydraulic rod No. one extends, opens the door plant to physical power when saving opening the civil air defense door improves the efficiency of opening the civil air defense door.
Preferably, the first mounting plate is fixedly connected with a second hydraulic rod; the piston rod of the second hydraulic rod faces to the door plate; when the anti-theft door is closed in operation, the second hydraulic rod is controlled by the controller to push the door plate to rotate, so that the door plate is closed; thereby improving the efficiency of closing the civil air defense door, saving the physical strength of operators and improving the safety of the civil air defense door.
Preferably, a first air bag is embedded in one side, close to the first mounting plate, of the second mounting plate; the inner bottom wall of the mounting groove is fixedly connected with a second air bag; the second air bag is contacted with the bottom of the threshold; the first air bag is communicated with the second air bag; during operation, on the mounting panel of door plant contact No. two, the door plant extrudees No. one gasbag, cushion the door plant, prevent the great people's air defense door of quality, because the impact that causes of inertia, lead to people's air defense door and No. two mounting panels to warp and damage, improve the life of people's air defense door, improve the protection effect, when the gasbag extrusion No. one, make the gas in the gasbag get into No. two gasbags, make No. two gasbags bulge, support the threshold, make the laminating effect of threshold and door plant better, improve the security of people's air defense door, a gasbag can be with external air supply intercommunication when gas is insufficient, guarantee that inside gas is sufficient.
Preferably, a vibration reduction mechanism is arranged in the door plate, and comprises a vibration reduction cavity, a steel wire rope, a counterweight ball and a second spring; a damping cavity is formed in the door plate; the steel wire rope is fixedly connected to the inner top wall of the vibration reduction cavity; the bottom end of the steel wire rope is fixedly connected with a counterweight ball; a group of second springs are fixedly connected to the inner wall of the vibration reduction cavity at the position corresponding to the counterweight ball; during operation, when switch door plant and explosion take place, when the emergence vibration of door plant, the counter weight ball of damping intracavity is owing to inertia along with wire rope toward the opposite direction swing of door plant vibration to the energy of absorption vibration reduces the range that the door plant rocked, and No. two springs are compressed by the counter weight ball when contacting the counter weight ball, and spacing is carried out the counter weight ball, prevents the counter weight ball striking to the door plant, prevents that the people from defending the door damage, improves the life of people's air defense door, improves the protection effect of people's air defense door, reduces the maintenance cost of people's air defense door.
The beneficial effects of the invention are as follows:
1. according to the steel structure explosion-proof civil air defense door, the linkage mechanism is arranged, so that the doorsill is synchronously lifted when the civil air defense door is closed, and when the civil air defense door is in an open state, the doorsill does not influence the passing of people and vehicles, so that the steel structure explosion-proof civil air defense door is more convenient to use, the doorsill is prevented from being deformed and damaged in the trampling process, the service life of the doorsill is prolonged, the maintenance cost is reduced, and the civil air defense door has a better protection effect.
2. According to the steel structure explosion-proof civil air defense door, the cover plate is arranged, when the civil air defense door is in the open state, the cover plate covers the mounting groove at the opening of the limiting groove, the limiting block supports the cover plate, the cover plate plays a role in protecting the threshold, and meanwhile the threshold is prevented from being stepped and extruded, so that the threshold moves downwards, and the civil air defense door is closed accordingly.
3. According to the steel structure explosion-proof civil air defense door, the vibration reduction mechanism is arranged to absorb the shaking energy of the door plate, so that the shaking amplitude of the door plate is reduced, the civil air defense door is prevented from being damaged, the service life of the civil air defense door is prolonged, the protection effect of the civil air defense door is improved, and the maintenance cost of the civil air defense door is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the damping mechanism of the present invention;
FIG. 4 is an enlarged view at B in FIG. 2;
in the figure: 1. a base; 2. a first mounting plate; 21. a second hydraulic rod; 3. a second mounting plate; 31. a first air bag; 32. a second air bag; 4. a linkage mechanism; 41. a bearing seat; 42. a rotating shaft; 43. a door panel; 44. a mounting groove; 45. a worm; 46. a worm wheel; 47. a connecting gear; 48. a rack; 49. a threshold; 5. a cover plate; 51. a limiting block; 52. a limit groove; 53. a first spring; 6. a hydraulic lever number one; 7. a vibration damping mechanism; 71. a vibration damping cavity; 72. a wire rope; 73. a weight ball; 74. and a second spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 4, the steel structure explosion-proof civil air defense door comprises a base 1, a first mounting plate 2, a second mounting plate 3 and a linkage mechanism 4; a door frame is formed between the first mounting plate 2 and the second mounting plate 3; the linkage mechanism 4 comprises a bearing seat 41, a rotating shaft 42, a door plate 43, a mounting groove 44, a worm 45, a worm wheel 46, a connecting gear 47, a rack 48 and a threshold 49; one side of the first mounting plate 2, which is close to the second mounting plate 3, is fixedly connected with a group of bearing seats 41, and the first mounting plate 2 is rotationally connected with a rotating shaft 42 through the bearing seats 41; the outer edge of the rotating shaft 42 is fixedly connected with a door plate 43; a mounting groove 44 is formed in the position, corresponding to the door plate 43, of the base 1; the bottom end of the rotating shaft 42 penetrates into the mounting groove 44; the bottom end of the rotating shaft 42 is fixedly connected with a worm 45; one side of the worm 45, which is close to the second mounting plate 3, is meshed with a worm wheel 46; the side of the worm wheel 46 away from the worm 45 is meshed with a connecting gear 47; the worm wheel 46 and the connecting gear 47 are both rotatably connected to the inner wall of the mounting groove 44; a rack 48 is meshed with one side of the connecting gear 47, which is close to the second mounting plate 3; the bottom end of the rack 48 is slidably connected with the inner bottom wall of the mounting groove 44; the top end of the rack 48 contacts a threshold 49; the threshold 49 is slidably connected with the inner wall of the mounting groove 44;
in the prior art; the civil air defense door is normally in a normally open state, and can be closed under special conditions such as fire, explosion and war, the threshold 49 influences the passing of people and vehicles in the normally open state, inconvenience is brought to people, the threshold 49 is easy to deform or even damage under long-term treading and rolling, the tightness of the closed civil air defense door is influenced, and even the civil air defense door cannot be normally closed, so that the civil air defense door cannot play a good role in protecting people under special conditions;
according to the invention, when the civil air defense door is in an open state by arranging the linkage mechanism 4, the door plate 43 is close to the position of the first mounting plate 2, the threshold 49 is positioned in the base 1, when the civil air defense door needs to be closed, the door plate 43 is closed to drive the rotating shaft 42 to rotate in the bearing seat 41 towards the position of the second mounting plate 3, the rotating shaft 42 rotates to drive the worm 45 to synchronously rotate, so that the worm 45 drives the worm wheel 46 meshed with the worm 45 to rotate, the connecting gear 47 is matched with the tooth form of the worm wheel 46, the worm wheel 46 drives the connecting gear 47 meshed with the worm wheel to rotate, so that the connecting gear 47 drives the rack 48 to slide upwards, the rack 48 is enabled to eject the threshold 49 out of the mounting groove 44, and when the door plate 43 rotates to be attached to the second mounting plate 3, the threshold 49 is attached to the door plate 43, so that the civil air defense door is sealed, and therefore, when the civil air defense door is closed, the threshold 49 does not influence the passing of personnel and vehicles, the use of the vehicle is more convenient, the threshold 49 is prevented from being deformed and damaged in the process, the service life of the threshold 49 is prolonged, and maintenance cost is reduced, and the civil air defense door has better protection effect.
As an embodiment of the invention, the top of the threshold 49 contacts the cover 5; a group of limiting blocks 51 are fixedly connected between the inner walls of the mounting grooves 44; the cover plate 5 is positioned at the top of the limiting block 51; the threshold 49 is provided with a group of limiting grooves 52; the limiting groove 52 is matched with the limiting block 51; the bottom of the cover plate 5 is fixedly connected with a first spring 53; the first spring 53 penetrates through the threshold 49 and is fixedly connected to the inner bottom wall of the mounting groove 44; during operation, when the civil air defense door is in an open state, the cover plate 5 covers the mounting groove 44 at the opening of the limit groove 52, the limit block 51 supports the cover plate 5, the cover plate 5 plays a role in protecting the threshold 49, meanwhile, the threshold 49 is prevented from being trampled and extruded, the threshold 49 moves downwards, the civil air defense door is closed accordingly, when the civil air defense door is closed, the cover plate 5 is kept at the top of the threshold 49 under the action of the tension force of the first spring 53, the cover plate 5 is prevented from shifting, the tightness of the civil air defense door is prevented from being reduced, and meanwhile, when the threshold 49 moves up and down, the limit groove 52 on the threshold 49 slides along the limit block 51, the threshold 49 is prevented from shifting in the moving process, the civil air defense door can be normally closed and sealed, and the stability of the structure is improved.
As an embodiment of the present invention, a first hydraulic rod 6 is fixedly connected to one side of the second mounting plate 3 close to the door panel 43; the piston rod of the first hydraulic rod 6 faces the door plate 43; during operation, when closing the civil air defense door, stretch out the piston rod of hydraulic rod 6 through the controller and support door plant 43, supplementary door plant 43 locks, prevent that the explosion from leading to the civil air defense door to rock, cause door plant 43 to be opened, when opening the civil air defense door, the piston rod of hydraulic rod 6 is controlled first through the controller and is retracted, when operating personnel promotes door plant 43 to piston rod department, the piston rod of hydraulic rod 6 is controlled to the rethread controller and extends, open door plant 43, thereby physical power when saving opening the civil air defense door, the efficiency of opening the civil air defense door is improved.
As an embodiment of the present invention, the first mounting plate 2 is fixedly connected with a second hydraulic rod 21; the piston rod of the second hydraulic rod 21 faces the door plate 43; when the civil air defense door is closed in operation, the second hydraulic rod 21 is controlled by the controller to push the door plate 43 to rotate, so that the door plate 43 is closed; thereby improving the efficiency of closing the civil air defense door, saving the physical strength of operators and improving the safety of the civil air defense door.
As an implementation mode of the invention, a first air bag 31 is embedded in one side of the second mounting plate 3 close to the first mounting plate 2; the inner bottom wall of the mounting groove 44 is fixedly connected with the second airbag 32; the second airbag 32 contacts the bottom of the threshold 49; the first air bag 31 is communicated with the second air bag 32; during operation, on door plant 43 contact mounting panel No. two 3, door plant 43 extrudes No. one gasbag 31, cushion door plant 43, prevent the great people's air defense door of quality, because the impact that causes of inertia, lead to people's air defense door and No. two mounting panel 3 to warp and damage, improve the life of people's air defense door, improve the protection effect, when extrudeing No. one gasbag 31, make the gas in No. one gasbag 31 get into No. two gasbag 32, make No. two gasbag 32 bulge, support threshold 49, make threshold 49 and door plant 43's laminating effect better, improve the security of people's air defense door, no. one gasbag 31 can communicate with external air supply when gas is insufficient, guarantee that inside gas is sufficient.
As an embodiment of the present invention, the door panel 43 is internally provided with a vibration damping mechanism 7, and the vibration damping mechanism 7 includes a vibration damping cavity 71, a wire rope 72, a weight ball 73 and a number two spring 74; a damping cavity 71 is formed in the door plate 43; a steel wire rope 72 is fixedly connected to the inner top wall of the vibration reduction cavity 71; the bottom end of the steel wire rope 72 is fixedly connected with a counterweight ball 73; a group of second springs 74 are fixedly connected to the inner wall of the vibration reduction cavity 71 at the position corresponding to the counterweight ball 73; during operation, when the door plate 43 is opened and closed and explosion occurs, when the door plate 43 vibrates, the counterweight ball 73 in the vibration reduction cavity 71 swings along with the steel wire rope 72 in the opposite vibration direction of the door plate 43 due to inertia, so that energy of vibration of the door plate 43 is absorbed, the vibration amplitude of the door plate 43 is reduced, the counterweight ball 73 is compressed by the counterweight ball 73 when the second spring 74 contacts the counterweight ball 73, the counterweight ball 73 is limited, the counterweight ball 73 is prevented from impacting the door plate 43, damage to a civil air defense door is prevented, the service life of the civil air defense door is prolonged, the protection effect of the civil air defense door is improved, and the maintenance cost of the civil air defense door is reduced.
The specific working procedure is as follows:
when the civil air defense door is in an open state, the door plate 43 is close to the position of the first mounting plate 2, the door threshold 49 is positioned in the base 1, when the civil air defense door needs to be closed, the door plate 43 is closed to drive the rotating shaft 42 to rotate in the bearing seat 41 towards the position of the second mounting plate 3, the rotating shaft 42 rotates to drive the worm 45 to synchronously rotate, the worm 45 drives the worm wheel 46 meshed with the worm 45 to rotate, the connecting gear 47 is matched with the tooth form of the worm wheel 46, the worm wheel 46 drives the connecting gear 47 meshed with the worm wheel to rotate, the connecting gear 47 drives the rack 48 to slide upwards, the rack 48 is enabled to push the door threshold 49 out of the mounting groove 44, when the door plate 43 rotates to be attached to the second mounting plate 3, the door threshold 49 is attached to the door plate 43, so that the civil air defense door is sealed, when the civil air defense door is closed, the civil air defense door can play a better protection role, and when the civil air defense door is in an open state, the door threshold 49 cannot influence passing of people and vehicles, the use is more convenient, the threshold 49 is prevented from being deformed and damaged in the trampling process, the service life of the threshold 49 is prolonged, the maintenance cost is reduced, the civil air defense door has better protection effect, when the civil air defense door is in an open state, the cover plate 5 covers the mounting groove 44 at the opening of the limit groove 52, the limit block 51 supports the cover plate 5, the cover plate 5 plays a role in protecting the threshold 49, simultaneously, the threshold 49 is prevented from being trampled and extruded, the threshold 49 is prevented from moving downwards, the civil air defense door is closed, when the civil air defense door is closed, the cover plate 5 is kept at the top of the threshold 49 under the action of the pull of the spring 53, the leak tightness of the civil air defense door is prevented from being reduced due to the offset of the cover plate 5, simultaneously, when the threshold 49 moves up and down, the limit groove 52 on the threshold 49 slides along the limit block 51, the threshold 49 is prevented from being offset in the moving process, the anti-explosion door can be normally closed and sealed, the stability of the structure is improved, when the anti-explosion door is closed, the controller controls the piston rod of the first hydraulic rod 6 to extend to prop against the door plate 43, the door plate 43 is locked, the anti-explosion door is prevented from shaking due to explosion, the door plate 43 is opened, when the anti-explosion door is opened, the controller controls the piston rod of the first hydraulic rod 6 to retract, when an operator pushes the door plate 43 to the piston rod, the controller controls the piston rod of the first hydraulic rod 6 to extend, the door plate 43 is opened, so that the physical force for opening the anti-explosion door is saved, the efficiency for opening the anti-explosion door is improved, and when the anti-explosion door is closed, the controller controls the second hydraulic rod 21 to push the door plate 43 to rotate, so that the door plate 43 is closed; thereby improve the efficiency of closing the people's air defense door, save operating personnel's physical power, improve the security of people's air defense door, on door plant 43 contact mounting panel No. two 3, door plant 43 extrudes air bag 31 No. one, cushion door plant 43, prevent the great people's air defense door of quality, because the impact that causes of inertia, lead to people's air defense door and No. two mounting panel 3 to warp and damage, improve the life of people's air defense door, improve the protection effect, when extrudeing air bag 31 No. one, make the gas in air bag 31 get into No. two gasbag 32, make No. two gasbag 32 bulge, support threshold 49, make threshold 49 and door plant 43's laminating effect better, improve the security of people's air defense door, air bag 31 can communicate with external air supply when gas is not enough, guarantee that inside gas is sufficient, when door plant 43's emergence vibrates, vibration along with wire rope 72 vibration opposite direction swing, thereby absorb the counter weight 73's of vibration, reduce the range of 43, no. two spring 74 is in contact with wire rope 72, compression ball 73, prevent the counter weight cost of the counter weight of ball 73 from being damaged to the people's air defense door, prevent the counter weight effect of people's air defense door from being damaged, door 73, prevent the counter weight cost of counter weight 73 from being broken when door 43 from moving.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an explosion-proof people's air defense door of steel construction which characterized in that: comprises a base (1), a first mounting plate (2), a second mounting plate (3) and a linkage mechanism (4); a door frame is formed between the first mounting plate (2) and the second mounting plate (3); the linkage mechanism (4) comprises a bearing seat (41), a rotating shaft (42), a door plate (43), a mounting groove (44), a worm (45), a worm wheel (46), a connecting gear (47), a rack (48) and a threshold (49); one side of the first mounting plate (2) close to the second mounting plate (3) is fixedly connected with a group of bearing seats (41), and the first mounting plate (2) is rotationally connected with a rotating shaft (42) through the bearing seats (41); the outer edge of the rotating shaft (42) is fixedly connected with a door plate (43); a mounting groove (44) is formed in the position, corresponding to the door plate (43), of the base (1); the bottom end of the rotating shaft (42) penetrates into the mounting groove (44); the bottom end of the rotating shaft (42) is fixedly connected with a worm (45); one side of the worm (45) close to the second mounting plate (3) is meshed with a worm wheel (46); the side of the worm wheel (46) far away from the worm (45) is meshed with a connecting gear (47); the worm wheel (46) and the connecting gear (47) are both rotatably connected to the inner wall of the mounting groove (44); one side of the connecting gear (47) close to the second mounting plate (3) is meshed with a rack (48); the bottom end of the rack (48) is in sliding connection with the inner bottom wall of the mounting groove (44); the top end of the rack (48) contacts a threshold (49); the threshold (49) is in sliding connection with the inner wall of the mounting groove (44);
the top of the threshold (49) contacts the cover plate (5); a group of limiting blocks (51) are fixedly connected between the inner walls of the mounting grooves (44); the cover plate (5) is positioned at the top of the limiting block (51); a group of limit grooves (52) are formed in the threshold (49); the limiting groove (52) is matched with the limiting block (51); the bottom of the cover plate (5) is fixedly connected with a first spring (53); the first spring (53) penetrates through the threshold (49) and is fixedly connected to the inner bottom wall of the mounting groove (44);
a first air bag (31) is embedded in one side, close to the first mounting plate (2), of the second mounting plate (3); the inner bottom wall of the mounting groove (44) is fixedly connected with a second airbag (32); the second air bag (32) is contacted with the bottom of the threshold (49); the first air bag (31) is communicated with the second air bag (32).
2. The steel structure explosion-proof air defense door of claim 1 wherein: a first hydraulic rod (6) is fixedly connected to one side, close to the door plate (43), of the second mounting plate (3); the piston rod of the first hydraulic rod (6) faces to the door plate (43).
3. The steel structure explosion-proof air defense door of claim 2 wherein: the first mounting plate (2) is fixedly connected with a hydraulic rod (21); the piston rod of the hydraulic rod (21) faces the door plate (43).
4. The steel structure explosion-proof air defense door of claim 1 wherein: a damping mechanism (7) is arranged in the door plate (43), and the damping mechanism (7) comprises a damping cavity (71), a steel wire rope (72), a counterweight ball (73) and a damper (74); a damping cavity (71) is formed in the door plate (43); the steel wire rope (72) is fixedly connected to the inner top wall of the vibration reduction cavity (71); the bottom end of the steel wire rope (72) is fixedly connected with a counterweight ball (73); a group of second springs (74) are fixedly connected to the inner wall of the vibration reduction cavity (71) at positions corresponding to the counterweight balls (73).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110722621.0A CN113338774B (en) | 2021-06-29 | 2021-06-29 | Explosion-proof people's air defense door of steel construction |
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| CN202110722621.0A CN113338774B (en) | 2021-06-29 | 2021-06-29 | Explosion-proof people's air defense door of steel construction |
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| CN113338774B true CN113338774B (en) | 2023-04-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205743415U (en) * | 2016-06-29 | 2016-11-30 | 赵晓双 | Except making an uproar anti-vibration gas-bag door |
| CN207212119U (en) * | 2017-08-16 | 2018-04-10 | 深圳市宝盾门业科技有限公司 | A kind of fire resistant doorsets |
| CN208456435U (en) * | 2018-06-01 | 2019-02-01 | 北京久杰净化工程技术有限公司 | A kind of compression type sealed door |
| CN210622642U (en) * | 2019-06-11 | 2020-05-26 | 江苏利恒幕墙科技有限公司 | Intelligence sound insulation falls push-and-pull door of making an uproar |
| CN210564052U (en) * | 2019-06-21 | 2020-05-19 | 成都市人防建筑设计研究院 | From threshold conversion's of taking threshold people's air defense door alive |
| CN210858486U (en) * | 2019-08-24 | 2020-06-26 | 河南省金鑫防护设备有限公司 | Suspended pendulum type explosion wave-proof valve |
| CN212478977U (en) * | 2020-04-03 | 2021-02-05 | 湖北加泰房地产开发集团有限公司 | Airtight door of disinfection cabin |
| CN213016032U (en) * | 2020-06-15 | 2021-04-20 | 国泰人防防护设备股份有限公司 | Steel construction people's air defense door |
| CN111733997B (en) * | 2020-07-01 | 2021-12-07 | 安徽筑恒建设有限公司 | Dynamic balance type building shock absorption damper |
| CN212837326U (en) * | 2020-07-13 | 2021-03-30 | 南京威泽自动化门控有限公司 | Anti-theft safety door |
| CN213144316U (en) * | 2020-07-23 | 2021-05-07 | 浙江聚韬工贸有限公司 | Prevent indoor door of silence of tong |
| CN112177417B (en) * | 2020-10-26 | 2021-10-08 | 长江师范学院 | Construction method of building damping wall |
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Effective date of registration: 20230412 Address after: 101599 Zhuang tou Yu Cun, mujiayu Town, Miyun District, Beijing Applicant after: Beijing zhuangguo civil air defense equipment factory Address before: 225400 Room 301, building 4, Yinfeng Jiayuan community, Jichuan street, Taixing City, Taizhou City, Jiangsu Province Applicant before: Sun Jiazheng |
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