CN110924824A - Steel-structure civil air defense door and machining process - Google Patents
Steel-structure civil air defense door and machining process Download PDFInfo
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- CN110924824A CN110924824A CN201911284977.XA CN201911284977A CN110924824A CN 110924824 A CN110924824 A CN 110924824A CN 201911284977 A CN201911284977 A CN 201911284977A CN 110924824 A CN110924824 A CN 110924824A
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- door
- door body
- air defense
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- lower bottom
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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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
- E06B3/04—Wing frames not characterised by the manner of movement
- E06B3/06—Single frames
- E06B3/08—Constructions depending on the use of specified materials
- E06B3/12—Constructions depending on the use of specified materials of metal
-
- 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
- E06B3/34—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 only one kind of movement
- E06B3/36—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 only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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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
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
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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
- E06B2003/7059—Specific frame characteristics
- E06B2003/7074—Metal frames
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention relates to a steel structure civil air defense door, which comprises an outer door frame pre-embedded in a wall body and a door body assembly rotatably connected to the inner side of the outer door frame, wherein the door body assembly comprises a door body frame serving as a supporting structure and a door body module detachably arranged in the door body frame, the door body frame comprises an upper top beam, a lower bottom beam, a fixed vertical beam and a movable vertical beam, the upper top beam and the lower bottom beam are parallel to each other, the fixed vertical beam is fixed at the same end of the upper top beam and the lower bottom beam, the movable vertical beam is detachably connected at the other end of the upper top beam and the lower bottom beam, at least one middle cross beam is arranged between the upper top beam and the lower bottom beam in parallel, the door body module slides to the middle cross, the concrete block is poured on the steel reinforcement cage, and the clamping beams are clamped on the upper top beam, the lower bottom beam or the middle cross beam. The civil air defense door has stronger connection strength, and meanwhile, the door body is detachable and convenient to mount and transport.
Description
Technical Field
The invention relates to the technical field of civil air defense equipment, in particular to a steel structure civil air defense door and a processing technology thereof.
Background
The civil air defense door is a door of an entrance and an exit of a civil protection project, is a door for government mobilization and organization of people, takes measures of air defense, disaster resistance and relief, implements rescue actions, and prevents and lightens activities of disaster hazards, belongs to civil air defense protective equipment, is generally arranged on underground floors of buildings or residential buildings, and is mostly made of steel structures due to the fact that the civil air defense door needs strong structural stability.
At present, these civil air defense doors on the market, in order to satisfy protection and sealed functional requirement, most civil air defense door leaf is that the concrete of pouring forms after weaving the reinforcing bar net in the standard channel-section steel that the welding has the built-in plate or the steel sheet frame of bending in the frame, and the forming process of accomplishing channel-section steel and reinforced concrete is complicated in this kind of door leaf, the process is loaded down with trivial details, and not only work load is big, occupies the resource, and the structure is heavy moreover, is difficult for the split, influences the safety and the benefit of transportation and installation link.
Application publication No. CN 109629974A's chinese patent discloses a steel construction people's air defense door, including the door frame and the door body of setting in the door frame, the door frame is pre-buried in the wall body, the door body includes first door body, the second door body and the third door body, first door body with the door frame is articulated through the pivot, the second door body is established between first door body and second door body, be provided with the open-close structure on the third door body, first door body is kept away from door frame side and second door body and is kept away from first door body side and all be provided with the slider, the tip that first door body or second door body were kept away from to the tip of slider is provided with the anticreep board, the second door body is close to first door body and third door body and all corresponds near second door body side the slider and the anticreep board has seted up the spout, the spout is close to be provided with the baffle respectively along the length direction of spout on the both sides inner wall of notch department, the width in clearance is not more than the width of anticreep board, the interface that supplies the anticreep board to insert to the spout in is seted up on the top of spout.
The above prior art solutions have the following drawbacks: through dividing into several parts with the door body, though can make things convenient for the installation of the door body, dismantle and the transportation, but connect through limiting plate and recess grafting between the adjacent door body and fix with spout and slider, joint strength between the door body is low, and shock resistance, anti striking ability are weak, and barrier propterty is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steel structure civil air defense door and a processing technology thereof, so that the civil air defense door has stronger connection strength, and meanwhile, the door body is detachable and convenient to mount and transport.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a steel construction people's air defense door, includes pre-buried outer door frame in the wall body and rotates the door body subassembly of connection in outer door frame inboard, door body subassembly includes as bearing structure's door body frame and the door body module of demountable installation in door body frame, door body frame is including the last back timber that is parallel to each other and lower floorbar, fixed at last back timber and lower floorbar with the fixed roof beam that stands of one end and can dismantle the activity of being connected at last back timber and the lower floorbar other end and stand the roof beam, parallel arrangement has at least one middle cross beam between last back timber and the lower floorbar, door body module stands roof beam one end in the activity and slides to the middle cross beam and go up between roof beam and the lower.
Through adopting above-mentioned technical scheme, fall into door body frame with door body group spare and the door body module of demountable installation in door body frame, one side of door body frame sets to can open-ended structure, slide door body module along middle crossbeam to fixed upright beam direction, make door body module card between last back timber and middle crossbeam and between middle crossbeam and the lower bottom beam, the upper and lower both sides of door body module are all restricted the joint, make door body module and door body frame's joint strength stronger, door body group spare's structure is more firm, door body group spare can split more little modules out simultaneously, door body group spare's monomer weight has been reduced, be convenient for transportation and installation.
The present invention in a preferred example may be further configured to: the door body module comprises two clamping beams arranged in parallel, a reinforcement cage fixed between the two clamping beams and a concrete block poured on the reinforcement cage, wherein the clamping beams are clamped on the upper top beam, the lower bottom beam or the middle cross beam.
By adopting the technical scheme, the door body module consists of the clamping beam, the reinforcement cage and the concrete block, and the clamping beam can clamp the door body module on the upper top beam, the lower bottom beam and the middle cross beam to prevent the door body module from falling off from the door body frame, so that the door body module is more firmly connected with the door body frame; the clamping beams are connected through the reinforcement cage, concrete blocks are poured, the structural strength of the whole door body module is higher, and the door body module can bear larger impact.
The present invention in a preferred example may be further configured to: the draw-in groove has been seted up in the card roof beam outside, the downside of upper beam, the last side of going to the bottom rail or the upper and lower both sides face of middle cross beam all are provided with bellied card strip, card strip joint is to the draw-in groove.
By adopting the technical scheme, the clamping beam is connected with the upper top beam, the lower bottom beam and the middle cross beam through the clamping grooves and the clamping strips, so that the connection strength can be ensured, and the door body module can be ensured to normally slide along the upper top beam, the lower bottom beam and the middle cross beam.
The present invention in a preferred example may be further configured to: the clamp beam is made of H-shaped steel, and the reinforcement cage is welded and fixed on the plate body on the inner side of the clamp beam.
Through adopting above-mentioned technical scheme, the card roof beam adopts H shaped steel, can directly form the draw-in groove, and the steel reinforcement cage can block in the opposite side groove of card roof beam, makes the intensity that steel reinforcement cage and draw-in groove are connected higher, and door body module is more durable.
The present invention in a preferred example may be further configured to: the two ends of the concrete blocks are respectively provided with an embedded groove and an embedded strip, and the adjacent concrete blocks are spliced together through the embedded grooves and the embedded strips.
Through adopting above-mentioned technical scheme, peg graft through caulking groove and fillet between the adjacent concrete piece, make can joint each other between a plurality of door body modules, form a whole, strengthened joint strength and leakproofness between the door body module, the shock resistance of whole door body is stronger.
The present invention in a preferred example may be further configured to: the clamping strips comprise steel bar keels welded and fixed with the upper top beam, the lower bottom beam or the middle cross beam and concrete strips poured on the outer sides of the steel bar keels.
Through adopting above-mentioned technical scheme, the card strip adopts reinforced concrete structure, and structural strength itself is high, and it is more firm to be connected with last roof beam, lower bottom beam or middle cross beam, more firm with door module card.
The present invention in a preferred example may be further configured to: and an outer door plate is arranged on one side face of the door body frame and is fixedly connected with the outer side faces of the upper top beam, the lower bottom beam, the fixed vertical beam and the middle cross beam.
Through adopting above-mentioned technical scheme, the outer door plant in the outside can be followed the outside and protected a body module, and a body module can paste outer door plant and remove simultaneously, plays the guide effect to a body module, goes up back timber, lower floorbar, fixed upright roof beam and middle cross beam and uses outer door plant to weld as the basis simultaneously, has avoided door body frame to take place to warp effectively.
The present invention in a preferred example may be further configured to: and the inner side surface of the outer door plate is provided with a sound insulation layer, and the sound insulation layer is arranged at a position opposite to the door body module.
Through adopting above-mentioned technical scheme, the setting of puigging can strengthen the syllable-dividing effect of people's air defense door.
The present invention in a preferred example may be further configured to: the movable vertical beam is attached to the end faces of the upper top beam, the lower bottom beam and the middle cross beam, and the connecting screw penetrates through the movable vertical beam and is fixed with the movable vertical beam through nuts.
By adopting the technical scheme, the movable vertical beam is connected to the end faces of the upper top beam, the lower bottom beam and the middle cross beam through the screw rods and the nuts, so that the connection is firm, and the connection and the disassembly are convenient.
A processing technology of a steel structure civil air defense door comprises the following steps:
firstly, selecting a frame section bar of an outer door frame, and welding the frame section bar into the outer door frame;
selecting a steel plate, cutting and welding the steel plate into an outer door plate according to the size of an inner ring of the outer door frame;
selecting section bars of an upper top beam and a lower bottom beam, selecting section bars of a fixed vertical beam, selecting section bars of a movable vertical beam, selecting section bars of a middle cross beam, and respectively cutting or welding according to the designed length;
welding steel bar keels on the lower side surface of the upper top beam, the upper side surface of the lower bottom beam and the upper side surface and the lower side surface of the middle cross beam, then installing a mold, and pouring concrete strips;
placing the upper top beam, the lower bottom beam and the fixed vertical beam along the side edge of the outer door plate, welding and fixing the upper top beam, the lower bottom beam and the fixed vertical beam, and placing the middle cross beam in the middle of the outer door plate and welding and fixing the middle cross beam, the upper top beam and the lower bottom beam in parallel;
step six, pasting a sound insulation layer on the inner side surface of the outer door plate;
selecting a section bar of the clamp beam, cutting according to the design size, binding a reinforcement cage, welding and fixing the reinforcement cage and the clamp beam, then installing a support formwork outside the reinforcement cage, and pouring a concrete block to form a door body module;
and step eight, transporting the combination of the outer door frame, the door body module and the door body frame and the outer door plate to an installation site, and splicing and installing.
In summary, the invention includes at least one of the following beneficial technical effects:
1. according to the invention, the civil air defense door is subdivided into the structures such as the outer door frame, the door body module, the outer door plate and the like, then the separated transportation is carried out, and the assembly is carried out on the installation site of the civil air defense door, so that the labor intensity and the installation difficulty of the civil air defense door in the transportation process and the installation process are reduced.
2. According to the invention, the door body frame and the door body modules are connected in an assembled mode, the door body modules are inserted among the upper top beam, the lower bottom beam and the middle cross beam of the door body frame one by one, the door body modules are clamped on the door body frame, the upper side, the lower side, the left side and the right side of the door body modules are clamped, the integral connection strength is improved, and the impact resistance and the protection capability of the civil air defense door are higher.
3. According to the invention, the door body module and the clamping strip are both of reinforced concrete structures, so that the structural strength of the door body module and the clamping strip is higher, and the connection between the door body module and the door body frame is firmer.
4. The civil air defense door processed by the method has the advantages of simple structure, light single structure, convenience in installation and low installation difficulty, and reduces the safety hazard to people and equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the civil air defense door of the invention.
Fig. 2 is a schematic structural view of the door body assembly of the present invention.
Fig. 3 is a schematic structural view of the upper roof beam in the present invention.
Fig. 4 is a schematic structural view of the intermediate beam of the present invention.
Fig. 5 is a schematic structural view of the door module of the present invention.
Fig. 6 is a schematic view of another side of the door module of the present invention.
In the figure, 1, an outer door frame, 2, a door body frame, 21, upper top beams, 22, lower bottom beams, 23, fixed vertical beams, 24, movable vertical beams, 25 and middle cross beams; 26. clamping the strip; 261. a steel bar keel; 262. a concrete strip; 27. connecting a screw rod; 3. the door body module 31, the clamping beam 32, the reinforcement cage 33 and the concrete block; 34. a card slot; 35. caulking grooves; 36. a fillet; 4. outer door panel, 5, soundproof layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the steel structure civil air defense door disclosed by the invention, an outer door frame 1 and a door body assembly are provided, the door body assembly further comprises a door body frame 2 and a door body module 3, wherein the outer door frame 1 is pre-embedded in a wall body of a building, the door body assembly is rotatably connected to a vertical beam of the outer door frame 1, the door body frame 2 is rotatably connected with the outer door frame 1 as a supporting structure, a hinge seat is arranged on a vertical beam at one side of the door body frame 2, so that the door body frame 2 is hinged to the outer door frame 1 through the hinge seat, the door body module 3 is used as a protection main body and is detachably connected in the door body frame 2, the whole door body assembly can be detached and separated, the weight and the volume of a.
The door body frame 2 comprises an upper top beam 21, a lower bottom beam 22, a fixed vertical beam 23, a movable vertical beam 24 and a middle cross beam 25, wherein the upper top beam 21 and the lower bottom beam 22 are parallel to each other, the upper top beam is located at the uppermost end and the lowermost end of the door body frame 2, the fixed vertical beam 23 and the movable vertical beam 24 are parallel to each other, the fixed vertical beam and the movable vertical beam 24 are located at two ends of the door body frame 2, the same end of the upper top beam 21 and the lower bottom beam 22 is fixedly welded with two ends of the fixed vertical beam 23, the other end of the upper top beam 21 and the other end of the lower bottom beam 22 are detachably connected. A middle cross beam 25 is arranged between the upper top beam 21 and the lower bottom beam 22 in parallel, the length of the middle cross beam 25 is the same as that of the upper top beam 21 and the lower bottom beam 22, one end of the middle cross beam 25 is welded and fixed in the middle of the fixed vertical beam 23, and the other end of the middle cross beam 25 is detachably connected with the middle position of the movable vertical beam 24. The door body module 3 slides to the middle cross beam 25 and between the upper top beam 21 and the lower bottom beam 22 along the middle cross beam 25 at one end of the movable vertical beam 24, is clamped between the middle cross beam 25 and the upper top beam 21 and between the middle cross beam 25 and the lower bottom beam 22, and is limited and fixed by the movable vertical beam 24.
The end faces of the upper top beam 21, the lower bottom beam 22 and the middle cross beam 25 are fixed with connecting screw rods 27 along the axial direction, the connecting screw rods 27 are welded and fixed with the plate bodies of the upper top beam 21, the lower bottom beam 22 and the middle cross beam 25, the movable vertical beams 24 are attached to the end faces of the upper top beam 21, the lower bottom beam 22 and the middle cross beam 25, the connecting screw rods 27 penetrate through the movable vertical beams 24, and the movable vertical beams 24 are fixed on the upper top beam 21, the lower bottom beam 22 and the middle cross beam 25 through nuts.
The lateral surface of door body frame 2 is provided with outer door plant 4, outer door plant 4 is assembled after cutting by a plurality of steel sheets, the welding forms, outer door plant 4 and upper header 21, lower base beam 22, the fixed lateral surface fixed connection who stands roof beam 23 and middle cross beam 25 specifically are upper header 21, lower base beam 22 and the fixed roof beam 23 of standing and put along outer door plant 4's side, and the welding is fixed with outer door plant 4, it is parallel with upper header 21 and lower base beam 22 with middle cross beam 25, put in outer door plant 4's centre and welded fastening. The medial surface of outer door plant 4 is provided with puigging 5, and the puigging adopts the deadening felt in this embodiment, and 5 bonding outer door plants 4 of puigging are in the position relative with door module 3, make the people's air defense door have good syllable-dividing effect.
Referring to fig. 3, in this embodiment, the section structures of the upper top beam 21 and the lower bottom beam 22 are the same, and all the upper top beam 21 and the lower bottom beam 22 are U-shaped channel steel, the opening of the upper top beam 21 is downward, the opening of the lower bottom beam 22 is upward, taking the upper top beam 21 as an example, a clamping strip 26 is provided in an open slot of the upper top beam 21, the clamping strip 26 includes two-part structures of a steel keel 261 and a concrete strip 262, the steel keel 261 is arranged along the axial direction of the upper top beam 21 and is welded on the inner wall of the open slot of the upper top beam 21, and the concrete strip 262 is poured.
Referring to fig. 4, in this embodiment, the middle cross beam 25 is made of H-shaped steel, the upper and lower sides are both provided with an open slot, and the open slots on the upper and lower sides are all provided with a clamping strip 26, the clamping strip 26 is quadrangular in the open slot and protrudes outwards from the open slot, so that the door module 3 can be clamped conveniently.
Referring to fig. 5 and 6, the door module 3 includes two parallel fastening beams 31, two opposite opening grooves formed by binding steel bars, two upper and lower sides of the two fastening beams 31 extending into the opening grooves of the two fastening beams 31 and welded to the side wall plates of the opening grooves, two rectangular concrete blocks 33 cast between the two fastening beams 31 on the basis of the steel bar cage 32, two ends of the concrete blocks 33 are respectively provided with an embedded groove 35 and an embedded strip 36 arranged along the axial direction of the end surface, the embedded strip 36 is matched with the cross-sectional shape of the embedded groove 35, and after the door module 3 is inserted into the door frame 2, the adjacent concrete blocks 33 are inserted together through the embedded groove 35 and the embedded strip 36. The outside of the clamping beam 31 is provided with a clamping groove 34, and the door body module 3 is clamped on the clamping strip 26 of the door body frame 2 through the clamping groove 34.
In this embodiment, the fixed vertical beams 23 and the movable vertical beams 24 are made of right-angle steel, and the outer side planes are connected with the upper top beams 21, the lower bottom beams 22 and the middle cross beams 25.
The invention discloses a processing technology of a steel structure civil air defense door, which comprises the following steps:
firstly, selecting a frame section bar of an outer door frame 1, and welding the frame section bar into the outer door frame 1;
secondly, selecting a steel plate, and cutting and welding the steel plate into an outer door plate 4 according to the size of the inner ring of the outer door frame 1;
thirdly, selecting the sectional materials of the upper top beam 21 and the lower bottom beam 22, selecting the sectional material of the fixed vertical beam 23, selecting the sectional material of the movable vertical beam 24, selecting the sectional material of the middle cross beam 25, and respectively cutting or welding according to the designed length;
step four, welding steel bar keels 261 on the lower side surface of the upper top beam 21, the upper side surface of the lower bottom beam 22 and the upper side surface and the lower side surface of the middle cross beam 25, then installing a mold, and pouring concrete strips 262;
placing the upper top beams 21, the lower bottom beams 22 and the fixed vertical beams 23 along the side edges of the outer door panel 4, welding and fixing the upper top beams 21, the lower bottom beams 22 and the fixed vertical beams 23, welding the upper top beams 21 and the lower bottom beams 22 with the end parts of the fixed vertical beams 23, and placing the middle cross beams 25 in the middle of the outer door panel 4 and welding and fixing the middle cross beams with the outer door panel 4;
step six, pasting a sound insulation layer 5 on the inner side surface of the outer door panel 4;
seventhly, selecting a section bar of the clamp beam 31, cutting according to the design size, binding a reinforcement cage 32, welding and fixing the reinforcement cage 32 and the clamp beam 31, then installing a support formwork outside the reinforcement cage 32, and pouring a concrete block 33 to form the door body module 3;
and step eight, transporting the combination of the outer door frame 1, the door body module 3, the door body frame and the outer door plate 4 to an installation site, and splicing and installing.
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. The utility model provides a steel construction people's air defense door, includes pre-buried outer door frame (1) in the wall body and rotates to connect at outer door frame (1) inboard door body group spare, its characterized in that: door body subassembly is including door body frame (2) as bearing structure and door body module (3) of demountable installation in door body frame (2), door body frame (2) are including upper header (21) and lower floorbar (22) that are parallel to each other, fixed standing beam (23) and can dismantle the activity of being connected at the upper header (21) and lower floorbar (22) the same end at upper header (21) and lower floorbar (22) and found roof beam (24), parallel arrangement has at least one intermediate transverse beam (25) between upper header (21) and lower floorbar (22), door body module (3) are found roof beam (24) one end in the activity and are slided intermediate transverse beam (25) and upper header (21) and lower between floorbar (22) and upper header (25) along intermediate transverse beam (25).
2. The steel structure civil air defense door of claim 1, characterized in that: the door body module (3) comprises two parallel clamping beams (31), a reinforcement cage (32) fixed between the two clamping beams (31) and a concrete block (33) poured on the reinforcement cage (32), wherein the clamping beams (31) are clamped on the upper top beam (21), the lower bottom beam (22) or the middle cross beam (25).
3. The steel structure civil air defense door of claim 2, wherein: draw-in groove (34) have been seted up in card roof beam (31) outside, the downside of upper beam (21), the last side of lower floorbar (22) or the upper and lower both sides face of intermediate transverse beam (25) all are provided with bellied card strip (26), card strip (26) joint is to in draw-in groove (34).
4. The steel structure civil air defense door of claim 2, wherein: the clamp beam (31) is made of H-shaped steel, and the reinforcement cage (32) is welded and fixed on a plate body on the inner side of the clamp beam (31).
5. The steel structure civil air defense door of claim 2, wherein: the two ends of each concrete block (33) are respectively provided with a caulking groove (35) and a fillet (36), and the adjacent concrete blocks (33) are spliced together through the caulking grooves (35) and the fillets (36).
6. The steel structure civil air defense door of claim 3, wherein: the clamping strips (26) comprise steel bar keels (261) fixed with the upper top beams (21), the lower bottom beams (22) or the middle cross beams (25) in a welding mode and concrete strips (262) poured on the outer sides of the steel bar keels (261).
7. The steel structure civil air defense door of claim 1, characterized in that: an outer door panel (4) is arranged on one side face of the door body frame (2), and the outer door panel (4) is fixedly connected with the outer side faces of the upper top beam (21), the lower bottom beam (22), the fixed vertical beam (23) and the middle cross beam (25).
8. The steel structure civil air defense door of claim 7, wherein: the inner side surface of the outer door plate (4) is provided with a sound insulation layer (5), and the sound insulation layer (5) is arranged at a position opposite to the door body module (3).
9. The steel structure civil air defense door of claim 7, wherein: the utility model discloses a fixed beam's structure, including last back timber (21), bottom sill (22) and middle crossbeam (25), be fixed with connecting screw (27) along the axis direction on the terminal surface of last back timber (21), bottom sill (22) and middle crossbeam (25), the activity is found roof beam (24) and is laminated on the terminal surface of last back timber (21), bottom sill (22) and middle crossbeam (25), connecting screw (27) pierce through activity and are found roof beam (24) to it is fixed with activity through the nut.
10. The machining process of the steel structure civil air defense door is characterized by comprising the following steps of:
firstly, selecting a frame section bar of an outer door frame (1), and welding the frame section bar into the outer door frame (1);
secondly, selecting a steel plate, and cutting and welding the steel plate into an outer door plate (4) according to the size of an inner ring of the outer door frame (1);
thirdly, selecting sectional materials of an upper top beam (21) and a lower bottom beam (22), selecting a sectional material of a fixed vertical beam (23), selecting a sectional material of a movable vertical beam (24), selecting a sectional material of a middle cross beam (25), and respectively cutting or welding according to the designed length;
welding steel bar keels (261) on the lower side surface of the upper top beam (21), the upper side surface of the lower bottom beam (22) and the upper side surface and the lower side surface of the middle cross beam (25), then installing a mold, and pouring concrete strips (262);
placing the upper top beam (21), the lower bottom beam (22) and the fixed vertical beam (23) along the side edge of the outer door panel (4), welding and fixing, placing the middle cross beam (25) in parallel with the upper top beam (21) and the lower bottom beam (22) in the middle of the outer door panel (4), and welding and fixing;
step six, pasting a sound insulation layer (5) on the inner side surface of the outer door panel (4);
selecting a section bar of the clamp beam (31), cutting according to a design size, binding a reinforcement cage (32), welding and fixing the reinforcement cage (32) and the clamp beam (31), then installing a support formwork on the outer side of the reinforcement cage (32), and pouring a concrete block (33) to form the door body module (3);
and step eight, transporting the combination of the outer door frame (1), the door body module (3) and the door body frame and the outer door plate (4) to an installation site, and splicing and installing.
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| CN201911284977.XA CN110924824B (en) | 2019-12-13 | 2019-12-13 | Steel-structure civil air defense door and machining process |
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| GB1417328A (en) * | 1972-12-18 | 1975-12-10 | Harris Preble Co | Flushface panel for use as an elevator door |
| CN2677548Y (en) * | 2003-12-05 | 2005-02-09 | 东莞承达木材制品有限公司 | Assembling of I-shaped plywood panel structure |
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| US20180202153A1 (en) * | 2014-05-09 | 2018-07-19 | Coastal Industries, Inc. | Customizable closure system |
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| Publication number | Publication date |
|---|---|
| CN110924824B (en) | 2021-02-05 |
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