Civil air defense door frame pouring positioning and supporting system

Abstract

The utility model relates to a positioning and supporting system for civil air defense door frame pouring. The civil air defense door frame pouring, positioning and supporting system comprises a square civil air defense door frame and a reinforcement cage arranged at the pre-pouring position of a floor plate, and the civil air defense door frame is matched with the reinforcement cage; two positioning connecting plates are fixedly arranged on the left side face and the right side face of the inner side of the civil air defense door frame correspondingly, and connecting pipe bodies are arranged on the front faces of the positioning connecting plates. Positioning steel pipes are arranged, are in one-to-one correspondence with the connecting pipe bodies and are detachably connected with the connecting pipe bodies; the positioning steel pipes matched with the two positioning connecting plates on the lower portion are horizontally arranged, and the positioning steel pipes matched with the two positioning connecting plates on the upper portion are inclined and fixed to the horizontal positioning steel pipes on the same side. According to the civil air defense door frame pouring positioning and supporting system, the fixing steel pipe is connected with the connecting pipe body, all the components are fixed to form a stable triangle, the fulcrum extends to the outer portion of the civil air defense door frame, and therefore the civil air defense door frame and a positioning and supporting structure of the civil air defense door frame can be fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil air defence door frame installation support, in particular to a civil air defence door frame pouring positioning support system. BACKGROUND

[0002] The civil air defence door is the key part in the civil air defence engineering, can protect the safety of personnel when the emergency such as explosion, nuclear radiation, chemical or biological attack occurs, so the construction of civil air defence door needs to meet the strict protection standard, the pouring mode of civil air defence door frame is generally to adopt door frame, so the door frame needs to be positioned and fixed.

[0003] The existing civil air defence door frame fixing mode is to adopt two inclined support steel pipes welded on the reinforcement cage of door frame and bottom floor, and the mode has the problems of not easy to install and not easy to disassemble, and the inner surface of civil air defence door frame also needs to be polished after disassembly, which consumes manpower, so a positioning support system that is easy to disassemble and install and can directly pour is needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above problems and provides a civil air defence door frame pouring positioning support system.

[0005] The utility model discloses a civil air defence door frame pouring positioning support system, which comprises a square civil air defence door frame and a reinforcement cage arranged at a pouring position of a floor slab.

[0006] The support system further comprises positioning steel pipes, and each connecting pipe body is detachably connected with a positioning steel pipe; the positioning steel pipes corresponding to the two lower connecting pipe bodies are horizontally arranged, the positioning steel pipes corresponding to the two upper connecting pipe bodies are inclined, and the outer ends of the adjacent positioning steel pipes are detachably connected to form a triangular structure as a whole.

[0007] Preferably, the back surface of the positioning connecting plate is provided with a horizontal limiting plate, and the inner side surface of the civil air defence door frame is correspondingly provided with a limiting hole, so that the position of the positioning connecting plate is ensured unchanged; the positioning connecting plate is provided with a through hole concentric with the connecting pipe body, the diameter of the through hole is less than or equal to the inner diameter of the connecting pipe body, and the inner side surface of the civil air defence door frame is correspondingly provided with a threaded hole; the positioning connecting plate is connected with the civil air defence door frame through a bolt. The bolt is used to connect the two parts, and the limiting plate at the lower part is matched with the limiting hole to prevent the positioning connecting plate from rotating around the bolt, so that the position and shape of the positioning connecting plate can be fixed.

[0008] Preferably, the inner side of the civil air defense door frame is provided with two trapezoidal limiting holes on the left and right sides respectively, the limiting holes are communicated with the inner cavity of the civil air defense door frame, the two trapezoidal limiting holes on the same side are arranged in correspondence with each other, a trapezoidal sliding block is arranged in the trapezoidal limiting hole in a matched mode, the trapezoidal sliding block comprises a connecting seat and a trapezoidal channel steel, the size of the connecting seat is matched with the size of the top of the trapezoidal limiting hole, the size of the trapezoidal channel steel is matched with the size of the bottom of the trapezoidal limiting hole, the connecting seat is arranged at the middle part of the trapezoidal channel steel, the trapezoidal sliding block can be placed into the trapezoidal limiting hole as a whole from the lower end of the trapezoidal limiting hole, and then the trapezoidal sliding block is pushed to the upper end of the trapezoidal limiting hole and installed in place, the middle part of the trapezoidal sliding block is provided with a threaded hole, the back of the positioning connecting plate is provided with a horizontal limiting plate matched with the bottom of the trapezoidal limiting hole, the positioning connecting plate is provided with a through hole concentric with the connecting pipe body, the through hole is matched with the threaded hole of the trapezoidal sliding block, and the positioning connecting plate and the trapezoidal sliding block are connected through bolts. The positioning connecting plate and the trapezoidal sliding block are connected through bolts, the limiting plate at the back of the positioning connecting plate is matched with the lower part of the trapezoidal limiting hole, and the three are matched to lock the position of the positioning connecting plate, so that the stability of the whole supporting system is ensured.

[0009] Preferably, the inclined positioning steel pipe is fixed with the floor slab through a cement pier, so that the position of the civil air defense door frame cannot be changed during construction.

[0010] Preferably, the connecting pipe body and the positioning steel pipe and the positioning steel pipes are fixed through cross pipe clamps. The cross pipe clamps are used to fix the components, so that the installation and dismounting are more flexible and simple, and the whole system can be adjusted at any time.

[0011] Further, the cross pipe clamp comprises two clamping sleeves and a rotating shaft connecting the two clamping sleeves, the two clamping sleeves are oppositely arranged and can rotate relative to each other, and can be matched with the position of the positioning steel pipe when the fixing system is built.

[0012] Preferably, the civil air defense door frame further comprises an outward extending side plate arranged at the four corners of the civil air defense door frame. The side plate is welded and fixed with the steel reinforcement cage, plays a role of further supporting and reinforcing the door frame, and ensures the stability of the door frame after pouring.

[0013] The civil air defense door frame pouring positioning and supporting system has the following advantages:

[0014] (1) The positioning connecting plate and the trapezoidal sliding block are matched to set the supporting point for connecting the positioning steel pipe on the inner side of the civil air defense door frame, so that the position deviation of the connected positioning steel pipe can be avoided, and the installation and dismounting are easy;

[0015] (2) The fixed steel pipe is connected with the connecting pipe body, parts are fixed to form a stable triangle, the fulcrum is extended to the outside of the civil air defense door frame, and then the position of the whole is fixed, so that the civil air defense door frame and the positioning support structure can be fixed, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural diagram of the civil air defense door frame pouring positioning support system of the utility model Figure 1 ;

[0017] Figure 2 is a side view of the civil air defense door frame pouring positioning support system of the utility model

[0018] Figure 3 is the A-A sectional view of Figure 2 ;

[0019] Figure 4 is the I enlarged view of Figure 3 ;

[0020] Figure 5 is a structural diagram of the civil air defense door frame pouring positioning support system of the utility model Figure 2 (demolition one horizontal positioning steel pipe)

[0021] Figure 6 is the II enlarged view of Figure 1 ;

[0022] Figure 7 is a structural diagram of the positioning connecting plate

[0023] Figure 8 is a structural diagram of the trapezoidal sliding block

[0024] Figure 9 is a structural diagram of the cross pipe clamp

[0025] In the drawing: 00. floor slab, 01. steel cage, 02. cement pier 1. civil air defense door frame, 11. side plate, 12. trapezoidal limiting hole, 2. positioning connecting plate, 21. positioning plate, 22. connecting pipe body, 23. limiting plate, 3. trapezoidal sliding block, 31. connecting seat, 311. connecting hole, 32. trapezoidal channel steel, 4. positioning steel pipe, 5. cross pipe clamp, 51. rotating shaft, 52. clamp sleeve. DETAILED DESCRIPTION

[0026] Example one: refer to Figures 1-9The utility model provides a kind of civil air defence door frame pouring positioning support system, including square civil air defence door frame 1 and the reinforcing cage 01 being set in floor slab 00 pre-pouring position, civil air defence door frame cooperates with reinforcing cage, civil air defence door frame 1 hollow, the weight of door frame can be reduced, easily carry, and leave gap between civil air defence door frame 1 and reinforcing cage 01;Pouring concrete can be wrapped in reinforcing cage 01 entirely, improve the strength of civil air defence door frame 1 after pouring.The inside left and right two sides of civil air defence door frame 1 are respectively fixed with two positioning connecting plates 2, two positioning connecting plates on the same side are distributed up and down, and the front of positioning connecting plate 2 is further provided with connecting pipe body 22.

[0027] The support system further includes positioning steel pipes 4, and each connecting pipe body 22 is detachably connected with a positioning steel pipe 4;The positioning steel pipes 4 matched with the lower two connecting pipe bodies are horizontally arranged, and the positioning steel pipes matched with the upper two connecting pipe bodies 22 are inclined, and the outer ends of the positioning steel pipes 4 adjacent in height are detachably connected, forming a triangular structure as a whole.Each component is fixed to form a stable triangle, and the fulcrum of the civil air defence door frame 1 is extended to the outside, facilitating the adjustment of the position and shape of the civil air defence door frame.

[0028] The inside left and right two sides of civil air defence door frame 1 are respectively provided with two trapezoidal limit holes 12, which are communicated with the inner cavity of civil air defence door frame 1;Two trapezoidal limit holes on the same side are arranged correspondingly in up and down direction;A trapezoidal slider 3 is arranged in the trapezoidal limit hole 12, which includes a connecting seat 31 and a trapezoidal channel steel 32, the size of the connecting seat 31 matches the size of the top of the trapezoidal limit hole 12, and the size of the trapezoidal channel steel 32 matches the size of the bottom of the trapezoidal limit hole 12, the connecting seat 31 is arranged in the middle of the trapezoidal channel steel 32, the trapezoidal slider 3 can be placed into the trapezoidal limit hole from the lower end, and then pushed to the upper end of the trapezoidal limit hole 12 for installation;The middle of the trapezoidal slider 3 is provided with a threaded hole;The back of the positioning connecting plate 2 is provided with a horizontal limiting plate 23, which matches the bottom of the trapezoidal limit hole 12;The positioning connecting plate 2 is provided with a through hole concentric with the connecting pipe body 22, which matches the threaded hole on the trapezoidal slider 3;The positioning connecting plate and the trapezoidal slider are connected by bolts.The positioning connecting plate 2 is connected with the trapezoidal slider 3 by bolts, the limiting plate 23 on the back of the positioning connecting plate 2 matches the lower part of the trapezoidal limit hole 12, and the three are matched to lock the position of the positioning connecting plate 2, so as to ensure the stability of the whole support system.

[0029] The installation steps of the trapezoidal sliding block 3 and the positioning steel pipe 4 are as follows: the trapezoidal channel steel 32 is sleeved into the civil air defense door frame 1 from the lower part of the trapezoidal limiting hole 12, the connecting seat 31 is sleeved into the trapezoidal limiting hole 12, then the connecting seat 31 is pushed upwards and clamped at the narrow size of the upper part of the trapezoidal limiting hole 12, then the positioning connecting plate 2 provided with the connecting pipe body 22 is attached to the trapezoidal limiting hole 12, the bolt is inserted into the connecting pipe body 22, the bolt is screwed into the threaded hole of the trapezoidal sliding block 3 through the through hole on the positioning connecting plate 2, and the connecting pipe body 22 is locked on the door frame.

[0030] The inclined positioning steel pipe 4 is fixed by the cement pier 02 and the floor slab 00, the cement pier 02 provides stable support for the lower end of the positioning steel pipe 4, and the position of the civil air defense door frame 1 cannot be changed during the construction process.

[0031] The connecting pipe body 22 and the positioning steel pipe 4 and the positioning steel pipes are fixed by the cross pipe clamp 5. The cross pipe clamp 5 is used to fix each component, and the installation and disassembly are more flexible and simple, and the entire system can be adjusted at any time.

[0032] The cross pipe clamp 5 includes two clamp sleeves 52 and a rotating shaft 51 connecting the two clamp sleeves, the two clamp sleeves 52 are oppositely arranged and can rotate relative to each other, and can match the included angle formed between the positioning steel pipe 4 when the fixing system is built.

[0033] The civil air defense door frame 1 further includes the outward extending side plate 11 arranged at the four corners of the civil air defense door frame 1. The side plate is welded and fixed with the steel reinforcement cage 01, and plays a role of further supporting and reinforcing the door frame, and ensures the stability of the door frame after pouring.

[0034] Embodiment two: see Figures 1-2 Figure 7 Figure 9 Embodiment two is basically the same as embodiment one, and the same parts will not be repeated. The difference is that the back of the positioning connecting plate 2 is provided with a horizontal limiting plate 23, and the inner side of the civil air defense door frame 1 is correspondingly provided with a limiting hole, which cooperates with the limiting plate 23 to ensure that the position of the positioning connecting plate 2 does not change; the positioning connecting plate 2 is provided with a through hole concentric with the connecting pipe body 22, the diameter of the through hole is less than or equal to the inner diameter of the connecting pipe body 22, and the inner side of the civil air defense door frame 1 is correspondingly provided with a threaded hole; the positioning connecting plate 2 and the civil air defense door frame 1 are connected by the bolt. The bolt is used to connect the two, the limiting plate 23 below cooperates with the limiting hole to prevent the positioning connecting plate 2 from rotating around the bolt, and the position and shape of the positioning connecting plate 2 can be fixed.​​

Claims

1. A civil air defense door frame pouring positioning support system, comprising a square civil air defense door frame and a steel reinforcement cage arranged at a pre-pouring position of a floor slab, the civil air defense door frame being matched with the steel reinforcement cage, characterized in that: The human defense door frame is hollow, and a gap is left between the human defense door frame and the steel cage; two positioning connecting plates are fixedly arranged on the left and right sides of the inner side of the human defense door frame, and the two positioning connecting plates on the same side are distributed upward and downward, and a connecting pipe body is further arranged on the front surface of the positioning connecting plate; ​ The support system further comprises positioning steel pipes, and each connecting pipe body is detachably connected with a positioning steel pipe; the positioning steel pipes matched with the two lower connecting pipe bodies are horizontally arranged, the positioning steel pipes matched with the two upper connecting pipe bodies are inclined, and the outer ends of the positioning steel pipes adjacent in the vertical direction are detachably connected, thereby forming a triangular structure as a whole.

2. The blast door frame formwork positioning support system of claim 1, wherein: The back surface of the positioning connecting plate is provided with a horizontal limiting plate, and the inner side of the human defense door frame is correspondingly provided with a limiting hole; a through hole concentric with the connecting pipe body is arranged on the positioning connecting plate, and the diameter of the through hole is less than or equal to the inner diameter of the connecting pipe body; the inner side of the human defense door frame is correspondingly provided with a threaded hole; and the positioning connecting plate and the human defense door frame are connected through a bolt.

3. The blast door frame formwork positioning support system according to claim 1, wherein: The inner side of the human defense door frame is provided with two trapezoidal limiting holes on the left and right sides, respectively, and the limiting holes are communicated with the inner cavity of the human defense door frame; the two trapezoidal limiting holes on the same side are correspondingly arranged upward and downward; a trapezoidal sliding block is arranged in the trapezoidal limiting hole in a matched manner, the trapezoidal sliding block comprises a connecting seat and a trapezoidal channel steel, the size of the connecting seat is matched with the size of the top of the trapezoidal limiting hole, the size of the trapezoidal channel steel is matched with the size of the bottom of the trapezoidal limiting hole, and the connecting seat is arranged in the middle of the trapezoidal channel steel; a threaded hole is arranged in the middle of the trapezoidal sliding block; the back surface of the positioning connecting plate is provided with a horizontal limiting plate matched with the bottom of the trapezoidal limiting hole; a through hole concentric with the connecting pipe body is arranged on the positioning connecting plate, and the through hole is matched with the threaded hole on the trapezoidal sliding block; and the positioning connecting plate and the trapezoidal sliding block are connected through a bolt.

4. The blast door frame formwork positioning support system according to claim 1, wherein: The inclined positioning steel pipe is fixed to the floor slab through a cement pier.

5. The blast door frame formwork positioning support system according to claim 1, wherein: The connecting pipe body and the positioning steel pipe and the positioning steel pipes are fixed through a cross pipe clamp.

6. The blast door frame formwork positioning support system of claim 5, wherein: The cross pipe clamp comprises two clamping sleeves and a rotating shaft connecting the two clamping sleeves.

7. The blast door frame formwork positioning support system according to claim 1, wherein: The human defense door frame further comprises an outward extending side plate arranged at the four corners of the human defense door frame.

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