CN210918762U - Reinforced concrete protective airtight door leaf - Google Patents
Reinforced concrete protective airtight door leaf Download PDFInfo
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- CN210918762U CN210918762U CN201921388796.7U CN201921388796U CN210918762U CN 210918762 U CN210918762 U CN 210918762U CN 201921388796 U CN201921388796 U CN 201921388796U CN 210918762 U CN210918762 U CN 210918762U
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- door frame
- reinforcing
- lateral wall
- reinforced concrete
- door leaf
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Abstract
The utility model relates to a civil air defense engineering protective apparatus technical field, more specifically say, it relates to a reinforced concrete protective airtight door leaf. Including the door frame, the lateral wall of door frame is provided with long lateral wall and short lateral wall limit in pairs, and its characterized in that, the internal surface fixation of the lateral wall of door frame is provided with the supporting part, the supporting part includes a plurality of brace rods, and the brace rod is connected with the internal surface fixation of the terminal lateral wall of door frame board, and brace rod and the door plant parallel arrangement of door frame, forms the reinforcing bar net on the brace rod that the steel bar successive layer set up long lateral wall and the brace rod of short lateral wall.
Description
Technical Field
The utility model relates to a civil air defense engineering protective apparatus technical field, more specifically say, it relates to a reinforced concrete protective airtight door leaf.
Background
The protective airtight door is a door of an entrance and an exit of people's protective engineering, is more clearly classified and comprises various civil air-defense equipment such as common single-leaf and double-leaf protective airtight doors, movable threshold single-leaf and double-leaf protective airtight doors and the like. Protective airtight door sets up the door frame earlier usually, and the steel reinforcement cage has been placed to the door frame is inside, then fills the inner chamber of door frame with the concrete.
Such as a composite protective door disclosed in chinese patent publication No. CN 205135327U. The method comprises the following steps: the door body structure comprises a steel door plate and a steel fiber concrete door plate combined on the surface of the steel door plate; the steel fiber concrete door plate comprises a steel reinforcement cage and steel fiber concrete poured on the steel reinforcement cage; the steel reinforcement cage includes that the multichannel that the interval set up erects muscle and interval hoop locates the multichannel erect the multichannel horizontal stirrup on the muscle, horizontal stirrup with steel door plant welding.
Above-mentioned guard gate need carry out the steel reinforcement cage earlier and tie up in the outside at the actual course of working, then with the steel reinforcement cage welding to the steel door plant on, pour again, at this in-process, because the steel reinforcement cage has certain volume, it is comparatively inconvenient to place into steel door plant welded operation again with whole steel reinforcement cage transport.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a reinforced concrete protective airtight door leaf, it has set up the welding stand that is used for the spacer bar, is to carry out the combination welding between the reinforcing bar in the door frame to reach convenient purpose.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a reinforced concrete protective airtight door leaf, includes the door frame, and the lateral wall of door frame is provided with long lateral wall and short lateral wall limit in pairs, its characterized in that, and the internal fixed surface of the lateral wall of door frame is provided with the supporting part, the supporting part includes a plurality of brace rods, and the internal fixed surface of the lateral wall of brace rod and door frame board is connected, and the brace rod forms the reinforcing bar net with the door plant parallel arrangement of door frame on the brace rod of setting up long lateral wall and the brace rod of short lateral wall, reinforcing bar and brace rod fixed connection with the brace rod successive layer.
Through above-mentioned technical scheme, take the reinforcing bar on the brace rod one by one, the successive layer is placed between the reinforcing bar, and alternately between the layer, welds in the place of reinforcing bar and brace rod contact, need not to tie up the steel reinforcement cage in the outside, and the more whole steel reinforcement cage of single reinforcing bar conveniently takes and carries.
The utility model discloses further set up to: the supporting part is provided with a plurality of positioning ribs, the positioning ribs are welded with the supporting ribs, and the positioning ribs are arranged at intervals in the direction perpendicular to the setting direction of the supporting ribs.
Through above-mentioned technical scheme, the location muscle is used for fixing a position the welding position of reinforcing bar. And (4) placing the reinforcing steel bars on the supporting bars one by one, moving the supporting bars to a position where the supporting bars and the positioning bars are crossed, and then welding the reinforcing steel bars.
The utility model discloses further set up to: the reinforcing bar net sets up to two, and the fixed strengthening rib that is provided with between the reinforcing bar net.
Through above-mentioned technical scheme, the reinforcing bar net sets up to two, strengthens the structure of door leaf, and the setting of strengthening rib connects the reinforcing bar net and forms a steel reinforcement cage, and the strengthening rib plays the supporting role simultaneously, makes the door leaf when pouring the concrete can not cause the condition that steel reinforcement cage atress produced the deformation through the steel reinforcement cage.
The utility model discloses further set up to: the reinforcing rib comprises a welding rib and a connecting rib, the welding rib is vertically formed at two ends of the connecting rib, the reinforcing rib is arranged between the reinforcing mesh layers, the welding rib is respectively arranged at the steel bar crossing positions of the two layers of reinforcing mesh layers, and the reinforcing rib is welded with the reinforcing mesh layers.
Through the technical scheme, when the steel bar net is installed, the welding bars can be hooked on the steel bar net firstly, then the reinforcing bars are rotated, the welding bars are hooked on the other steel bar net, the connecting piece is clamped between the steel bar nets and then welded, and the installation is convenient.
The utility model discloses further set up to: the door frame is characterized in that an installation part is arranged on one long side wall of the door frame and comprises installation lugs and an installation seat, the installation lugs are fixedly connected with the door frame, and the installation seat is hinged to the installation lugs.
Through above-mentioned technical scheme, the installation department is used for the installation in the door leaf later stage, just will install before pouring and arrange the door leaf in, need not the later stage and installs the subassembly again.
The utility model discloses further set up to: the mounting hole has been seted up to the long lateral wall of door frame and the backup pad of arranging the mounting hole both sides in, and the installation ear deviates from the one end of being connected with the mount pad and inserts the mounting hole, and with the backup pad welding, the backup pad provides welded position for the installation ear.
Through above-mentioned technical scheme, the backup pad provides welded position for the installation ear, makes the installation ear and door frame be connected stably.
The utility model discloses further set up to: the mounting base is provided with the bottom plate and fixes the hinge lug on the bottom plate, has seted up a plurality of screw holes on the bottom plate, and the number of hinge lug sets up to two, and the installation ear is arranged in between the hinge lug, wear to be equipped with a rotation axis on hinge lug and the installation ear.
Through above-mentioned technical scheme, seted up a plurality of screw holes on the bottom plate for with mount pad and the wall body threaded connection who will install the door leaf, installation ear, hinge lug and axis of rotation form hinge structure.
The utility model discloses further set up to: rotation axis one end is provided with the baffle, and one end is provided with the locking hole, and the locking is downthehole to be worn to be equipped with the retaining member.
Through above-mentioned technical scheme, install the axis of rotation on mount pad and installation ear, insert the retaining member, can accomplish the installation, realize the mount pad and be connected with dismantling of installation ear, the assembly of being convenient for.
The utility model discloses further set up to: the rotating shaft is sleeved with a thrust bearing, the thrust bearing is fixedly connected with the rotating shaft, the thrust bearing is arranged between the hinge lug and the mounting lug, and two ends of the thrust bearing are respectively fixedly connected with the hinge lug and the mounting lug.
Through above-mentioned technical scheme, thrust bearing is used for all transmitting axial load and radial load to the door frame to greatly reduced the axial and radial load that receive when the door leaf rotates, improved the stability of door leaf switching.
The utility model discloses further set up to: the door frame is fixedly provided with lifting lugs, and the lifting lugs are welded with the short side walls of the door frame.
Through above-mentioned technical scheme, owing to pour the door leaf after accomplishing heavier, the setting of lug makes things convenient for hoist and mount and the transportation in later stage.
To sum up, the utility model discloses following beneficial effect has:
(1) the reinforcing steel bars are put on the supporting ribs one by one, the reinforcing steel bars are placed layer by layer, the layers are crossed, and the reinforcing steel bars are welded at the contact position of the reinforcing steel bars and the supporting ribs, so that the reinforcing cage does not need to be bundled at the outer part, and the single reinforcing steel bar is convenient to take and carry compared with the whole reinforcing cage;
(2) the positioning ribs are used for positioning the welding positions of the reinforcing steel bars. Placing the reinforcing steel bars on the supporting ribs one by one, moving the supporting ribs to a position where the supporting ribs and the positioning ribs are crossed, and then welding the reinforcing steel bars;
(3) through the setting of strengthening rib, the connecting reinforcement net forms a steel reinforcement cage, and the strengthening rib plays the supporting role simultaneously, makes the door leaf when pouring the concrete can not cause the condition that steel reinforcement cage atress produced the deformation through the steel reinforcement cage.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
fig. 5 is a plan view of the present invention;
fig. 6 is an enlarged view at D in fig. 5.
Reference numerals: 1. a door frame; 10. a long side wall; 100. mounting holes; 101. a support plate; 11. short side walls; 12. reinforcing steel bars; 2. a support portion; 20. supporting ribs; 21. positioning ribs; 3. reinforcing ribs; 30. welding ribs; 31. connecting ribs; 4. an installation part; 40. mounting lugs; 41. a mounting seat; 410. a hinge ear; 42. a rotating shaft; 420. a baffle plate; 421. a locking hole; 422. a locking member; 423. a thrust bearing; 5. lifting lugs; 50. a connecting portion; 51. a hoisting part.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example a reinforced concrete protective airtight door leaf, as shown in fig. 1 and 5, comprising a door frame 1, wherein a support part 2 is fixedly arranged on the inner surface of the side wall of the door frame 1, the support part 2 is used for supporting a reinforcing steel bar 12, and a welding spot is positioned when the reinforcing steel bar 12 is welded, the side wall of the door frame 1 is provided with a long side wall 10 and a short side wall 11 in pairs, the reinforcing steel bars 12 are put on the support part 2 one by one, the reinforcing steel bars 12 are arranged layer by layer and are crossed with each other, spot welding is carried out between the contact part of the reinforcing steel bar 12 and the support part 2 and between the reinforcing steel bar 12 and the reinforcing steel bar 12, so as to form a reinforcing mesh, the number of the reinforcing mesh is two, a reinforcing part is arranged between the reinforcing mesh, the reinforcing part plays a role of connection and support between the reinforcing meshes, the reinforcing mesh forms a reinforcing cage for reinforcing the structure of the door leaf, the reinforcing cage does not, the formed reinforcement cage is welded with the door leaf, so that the condition of sinking and floating of the reinforcement cage can not occur during pouring.
As shown in fig. 2 and 3, the supporting portion 2 includes a support rib 20 and a plurality of positioning ribs 21, the positioning ribs 21 are welded with the support rib 20, the support rib 20 is welded with the inner surface of the end side wall of the door frame 1 plate, the number of the support ribs 20 is set to two, the support ribs 20 are arranged at intervals and are parallel to the frame edge of the door frame 1, the support rib 20 is used for supporting the steel bar 12 on the door frame 1, the positioning ribs 21 are arranged at intervals in the direction perpendicular to the setting direction of the support rib 20, and the positioning ribs 21 are used for positioning the welding position of the steel bar 12. The reinforcing steel bars 12 are placed on the supporting bars 20 one by one, the supporting bars 20 are moved to the position where the supporting bars 20 and the positioning bars 21 are crossed, another layer of reinforcing steel bars 12 is laid on the reinforcing steel bars 12 which are just laid, the laying direction of the two layers of reinforcing steel bars 12 is vertical, the reinforcing steel bars 12 are welded on the supporting bars 20 or the positioning bars 21, and welding is carried out between the reinforcing steel bars 12 and the reinforcing steel bars 12.
As shown in fig. 2, the reinforcing members are provided as a plurality of reinforcing ribs 3, each reinforcing rib 3 comprises a welding rib 30 and a connecting rib 31, the number of the welding ribs 30 is two, the welding ribs are respectively vertically formed at two ends of each of the reinforcing ribs 3 and the connecting ribs 31, the reinforcing ribs 3 are arranged between the reinforcing mesh, the welding ribs 30 are respectively arranged at the intersections of the reinforcing bars 12 of the two layers of reinforcing mesh, the reinforcing ribs 3 and the reinforcing mesh are welded, and the arrangement of the reinforcing ribs 3 reduces the stress and deformation of the reinforcing cage when the door leaf is poured through the reinforcing cage.
In order to facilitate the installation of the door leaf, as shown in fig. 4 and 6, an installation portion 4 is provided on a long side wall 10 of the door frame 1, the installation portion 4 includes an installation ear 40 and an installation seat 41, the installation ear 40 is fixedly connected with the door frame 1, and the installation seat 41 is hinged to the installation ear 40. The long side wall 10 of the doorframe 1 is provided with a mounting hole 100 and support plates 101 arranged at two sides of the mounting hole 100, one end of a mounting lug 40 departing from the mounting seat 41 is inserted into the mounting hole 100 and welded with the support plates 101, the support plates 101 provide a welding position for the mounting lug 40, and the mounting part 4 is directly arranged on a door leaf after pouring without arranging additional mounting components to mount the door leaf in later period, the mounting seat 41 comprises a bottom plate and hinge lugs 410 fixed on the bottom plate, the number of the hinge lugs 410 is two, the mounting lug 40 is arranged between the hinge lugs 410, a rotating shaft 42 is arranged on the hinge lugs 410 and the mounting lug 40 in a penetrating way, one end of the rotating shaft 42 is provided with a baffle plate 420, one end of the rotating shaft is provided with a locking hole 421, a locking member 422 is arranged in the locking hole 421 in a penetrating way, a thrust bearing 423 is sleeved on the rotating shaft 42, the thrust bearing 423 is fixedly, and both ends are respectively in articulated ear 410 and installation ear 40 fixed connection, and thrust bearing 423 is used for all transmitting axial load and radial load to door frame 1 to the axial that receives when greatly reduced the door leaf rotates and radial load, improved the stability of door leaf switching.
In order to facilitate the lifting of the door leaf, as shown in fig. 3 and 5, the lifting lugs 5 are respectively and fixedly arranged on the short side walls 11 of the door frame 1, each lifting lug 5 comprises a connecting portion 50 and a lifting portion 51, the connecting portion 50 and the lifting portion 51 are vertically arranged and are integrally formed, the connecting portion 50 is welded to the short side walls 11 of the door frame 1, and the lifting portions 51 are used for lifting the door leaf.
The installation process comprises the following steps: set up reinforcing bar 12 on the supporting part 2 of door frame 1, with reinforcing bar 12 and 2 welding of supporting part, and reinforcing bar 12 welding, then with 3 welding of strengthening rib between the reinforcing bar net, with installation department 4 and 5 welding of lug on door frame 1 after that, concreting in door frame 1, after the concrete solidification, can accomplish the pouring of door leaf.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a reinforced concrete protective airtight door leaf, includes reinforcing bar (12) that door frame (1) and support were used, and the lateral wall of door frame (1) is provided with long lateral wall (10) and short lateral wall (11) limit in pairs, its characterized in that, the internal surface fixed of the lateral wall of door frame (1) is provided with supporting part (2), supporting part (2) include a plurality of brace rods (20), and brace rod (20) and the internal surface fixed connection of the end lateral wall of door frame (1) board, and brace rod (20) and the door plant parallel arrangement of door frame (1), form the reinforcing bar net on brace rod (20) of setting up brace rod (20) of long lateral wall (10) and short lateral wall (11) layer by layer reinforcing bar (12), reinforcing bar (12) and brace rod (20) fixed connection.
2. The reinforced concrete protective airtight door leaf according to claim 1, characterized in that the support portion (2) is provided with a plurality of positioning ribs (21), the positioning ribs (21) are welded with the support ribs (20), and the positioning ribs (21) are arranged perpendicular to the support ribs (20).
3. The reinforced concrete containment door leaf according to claim 2, wherein there are two reinforcing meshes, and a reinforcing rib (3) is fixedly arranged between the reinforcing meshes.
4. The reinforced concrete protective airtight door leaf as claimed in claim 3, wherein said reinforcing rib (3) comprises a welding rib (30) and a connecting rib (31), the welding rib (30) is vertically formed at both ends of the connecting rib (31), the reinforcing rib (3) is disposed between the reinforcing mesh, the welding rib (30) is respectively lapped at the intersection of the reinforcing bars (12) of the two layers of reinforcing mesh, and the reinforcing rib is welded with the reinforcing mesh.
5. The reinforced concrete protective airtight door leaf according to claim 1, characterized in that a long side wall (10) of the door frame (1) is provided with an installation part (4), the installation part (4) comprises an installation ear (40) and an installation seat (41), the installation ear (40) is fixedly connected with the door frame (1), and the installation seat (41) is hinged with the installation ear (40).
6. The reinforced concrete protective airtight door leaf according to claim 5, characterized in that, the long side wall (10) of the door frame (1) is provided with a mounting hole (100) and support plates (101) arranged at two sides of the mounting hole (100), one end of the mounting lug (40) departing from the connection with the mounting seat (41) is inserted into the mounting hole (100) and welded with the support plates (101), and the support plates (101) provide welding positions for the mounting lug (40).
7. The reinforced concrete protective airtight door leaf as claimed in claim 6, wherein said mounting seat (41) is provided with a bottom plate and two hinge lugs (410) fixed on the bottom plate, a plurality of threaded holes are opened on the bottom plate, the number of the hinge lugs (410) is two, the mounting lugs (40) are arranged between the hinge lugs (410), and a rotating shaft (42) is arranged on the hinge lugs (410) and the mounting lugs (40) in a penetrating manner.
8. The reinforced concrete protective airtight door leaf as claimed in claim 7, wherein said rotation shaft (42) is provided with a baffle (420) at one end and a locking hole (421) at one end, and a locking member (422) is inserted into the locking hole (421).
9. The reinforced concrete protective airtight door leaf as claimed in claim 7, wherein said rotating shaft (42) is sleeved with a thrust bearing (423), the thrust bearing (423) is fixedly connected with the rotating shaft (42), the thrust bearing (423) is disposed between the hinge lug (410) and the mounting lug (40), and two ends of the thrust bearing are respectively fixedly connected with the hinge lug (410) and the mounting lug (40).
10. The reinforced concrete containment door leaf according to claim 9, characterised in that the door frame (1) is fixedly provided with lifting lugs (5), the lifting lugs (5) being welded to the short side walls (11) of the door frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388796.7U CN210918762U (en) | 2019-08-24 | 2019-08-24 | Reinforced concrete protective airtight door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388796.7U CN210918762U (en) | 2019-08-24 | 2019-08-24 | Reinforced concrete protective airtight door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210918762U true CN210918762U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921388796.7U Active CN210918762U (en) | 2019-08-24 | 2019-08-24 | Reinforced concrete protective airtight door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210918762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963025A (en) * | 2020-07-29 | 2020-11-20 | 浙江澳通人防设备有限公司 | Sound-proof explosion-proof type civil air defense door |
-
2019
- 2019-08-24 CN CN201921388796.7U patent/CN210918762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963025A (en) * | 2020-07-29 | 2020-11-20 | 浙江澳通人防设备有限公司 | Sound-proof explosion-proof type civil air defense door |
| CN111963025B (en) * | 2020-07-29 | 2021-07-13 | 浙江澳通人防设备有限公司 | Sound-proof explosion-proof type civil air defense door |
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Address after: Wenyan Industrial Zone, Zhulou Township, Pingyuan demonstration area, Xinxiang City, Henan Province (southwest corner of the intersection of Jingsi road and Weiyi Road) Patentee after: Henan Jinxin civil defense (Group) Co., Ltd Address before: Wenyan Industrial Zone, Zhulou Township, Pingyuan demonstration area, Xinxiang City, Henan Province (southwest corner of the intersection of Jingsi road and Weiyi Road) Patentee before: Henan Jinxin protective equipment Co.,Ltd. |