Cavity system structure

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a cavity system structure which comprises a reinforcement cage and precast concrete slabs, a plurality of tie parts penetrate through the reinforcement cage, connecting pieces are arranged at the two ends of each tie part, the tie parts are connected with the reinforcement cage in a clamped mode through the connecting pieces, and the precast concrete slabs on the outer side are mutually connected through the tie parts. The tie part comprises a connecting rod and tie heads, the tie heads are connected with each other through the connecting rod, and the connecting positions of the tie part and the reinforcement cage are unified through the connecting piece, so that the heights of the tie heads are consistent, and it is ensured that the tie part can provide enough tensile force; by the adoption of the three-dimensional structure type tie heads, the meshing force of the tie heads and the interior of the prefabricated concrete slab can be improved, the connecting rods connecting the tie heads on the two sides are matched with the clamping parts to be fixed to the middle reinforcement cage, and the tie parts, the reinforcement cage and the prefabricated concrete slab are fixed to one another; and the tension on the precast concrete slabs on the two sides and the stability of the precast concrete slabs on the two sides are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cavity structure, in particular to a cavity system structure. BACKGROUND

[0002] The cavity (superimposed, formwork etc.) system is a kind of building structure system, mainly used for the manufacture and installation of prefabricated component. Its core feature is to use cavity component, these components are prefabricated in factory, then assembled on site, to reduce the complexity and time of on-site construction. The structure of cavity system is that outer side is prefabricated concrete slab, middle part is cavity with reinforcement cage, and reinforcement cage cooperates with tie member to tie and fix corresponding two sides of prefabricated concrete slab. The existing cavity system is mostly tied by using pre-buried tie rod or web steel bar etc. tie rod to tie on tie structure, however, the height of welding point is not consistent by the way of artificial welding tie rod, and the depth of tie rod in concrete also exists difference when pouring concrete, and when prefabricated concrete slab is subjected to external force, the force is directly transmitted to the welding point of tie rod and reinforcement cage, and only rely on the fixation of welding point makes that the pulling force of tie rod to cavity system structure is weak, and the stability of cavity system structure is poor. SUMMARY

[0003] Therefore, the utility model provides a cavity system structure to solve the above technical problem.

[0004] The technical scheme of the utility model is as follows:

[0005] The utility model provides a cavity system structure, including the steel reinforcement cage that is arranged in rectangular column shape and the prefabricated concrete slab that is located at the outer side of steel reinforcement cage, the inside of steel reinforcement cage is equipped with a plurality of tie members, and the both ends of tie member are equipped with connecting piece, and tie member is connected with steel reinforcement cage through connecting piece, and the prefabricated concrete slab of outer side is connected with each other through tie member, and tie member includes connecting rod that is penetrated in steel reinforcement cage and tie head that is connected with prefabricated concrete slab, and tie head is connected with each other through connecting rod.

[0006] Preferably, the connecting piece is a rectangular plate, the inner end of the rectangular plate is fixedly connected with the side wall of the tie member, the outer end of the rectangular plate is curved towards the center side of the tie member, and the rectangular plate is welded and fixed with the steel reinforcement cage.

[0007] Preferably, the connecting piece includes an upper clamping plate and a lower clamping plate, a clamping cavity is formed between the upper clamping plate and the lower clamping plate, and the steel reinforcement cage is clamped with the clamping cavity.

[0008] Preferably, the outer end of the upper clamping plate and the lower clamping plate is curved towards the center of the clamping cavity to form a duck-billed clamping port.

[0009] Preferably, the connecting members are arranged in a cross shape on the side wall of the tying member.

[0010] Preferably, the connecting rod is fixedly connected to the tying head.

[0011] Preferably, the connecting rod is detachably connected to the tying head. A threaded hole is provided at the center of the tying head, and external threads are provided at both ends of the connecting rod. The connecting rod is threadedly connected to the threaded hole.

[0012] Preferably, the cross-sectional diameter of the tying head is greater than the cross-sectional diameter of the connecting rod. An axial through groove for concrete to pass through is provided inside the tying head, and the through grooves are arranged in a ring shape inside the tying head.

[0013] Preferably, the precast concrete slabs are arranged on both sides of the steel reinforcement cage, and both ends of the tying member are connected to the precast concrete slabs to form a cavity system wall structure.

[0014] Preferably, the precast concrete slabs are connected in a "mouth" shape and cover the periphery of the outside of the steel reinforcement cage. The tying members are arranged in a horizontal cross shape and penetrate through the periphery of the steel reinforcement cage. The tying members pointing forward and backward are connected to the precast concrete slabs on the front and back sides, and the tying members pointing left and right are connected to the precast concrete slabs on the left and right sides to form a cavity system column structure.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The present utility model provides a cavity system structure. By using connecting members to unify the connection positions of the tying members and the steel reinforcement cage, the heights of the tying heads are made consistent. When pouring concrete, the depth positions embedded in the concrete are also consistent, ensuring that the tying members can provide sufficient tensile force. The three-dimensional tying heads are adopted to improve the biting force inside the precast concrete slabs. The connecting rods connecting the two tying heads cooperate with the clamping members to fix the middle steel reinforcement cage, making the tying members, the steel reinforcement cage, and the precast concrete slabs fix each other, improving the tensile force on the two precast concrete slabs on both sides and the stability of the two precast concrete slabs on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only the preferred embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a three-dimensional structure diagram of the cavity system wall structure made according to the present utility model;

[0019] Figure 2 It is the side structure schematic drawing of making cavity system wall structure of the utility model;

[0020] Figure 3 It is the structure schematic drawing of connecting piece form one of the utility model;

[0021] Figure 4 It is the structure schematic drawing of connecting piece form two of the utility model;

[0022] Figure 5 It is the schematic drawing of making cavity system column structure of the utility model by adopting split type pouring method;

[0023] Figure 6 It is the schematic drawing of making cavity system column structure of the utility model by adopting integral type pouring method.

[0024] In the drawing, 1, steel reinforcement cage;11, horizontal longitudinal rib;12, horizontal transverse rib;2, prefabricated concrete slab;3, tie component;31, connecting rod;32, tie head;4, connecting piece;41, upper clamping plate;42, lower clamping plate;43, clamping cavity;5, through slot;6, formwork. Specific implementation

[0025] In order to better understand the technical content of the utility model, the following specific examples are provided, and the utility model is further explained in combination with the drawings.

[0026] Referring to Figures 1 to 6 The utility model provides a cavity system structure, including the steel reinforcement cage 1 and the prefabricated concrete slab 2 located in the steel reinforcement cage 1 outside in rectangular columnar arrangement, the steel reinforcement cage 1 inside is equipped with a plurality of tie components 3, both ends of the tie component 3 are equipped with connecting piece 4, the tie component 3 is connected with the steel reinforcement cage 1 through the connecting piece 4, and the prefabricated concrete slab 2 outside is connected with each other through the tie component 3, the tie component 3 includes the connecting rod 31 through the steel reinforcement cage 1 and the tie head 32 connected with the prefabricated concrete slab 2, and the tie head 32 is connected with each other through the connecting rod 31.

[0027] The setting of the tie head 32 can increase the contact area with the inside of the prefabricated concrete slab 2, thereby improving the engagement of the tie head 32 with the concrete and the pulling force on the prefabricated concrete slab 2; and the traditional embedded tie or web steel bar is arranged on both sides of the steel reinforcement cage 1 and can only play a one-way tie role on the prefabricated concrete slab 2 on the respective side. The two tie heads 32 on both sides are connected and fixed by the connecting rod 31 to form an integrated structure, and the prefabricated concrete slabs 2 on both sides are firmly connected together. When the prefabricated concrete slab 2 on the left side is subjected to external force and tends to deviate, the external force will also act on the prefabricated concrete slab 2 on the right side, and the prefabricated concrete slab 2 on the right side will also generate a counteracting force to prevent the prefabricated concrete slab 2 on the left side from deviating, thereby changing the original embedded tie or web steel bar to provide tensile resistance to the prefabricated concrete slab 2 on the other side, thereby greatly improving the tensile effect and the strength and stability of the cavity system wall structure.

[0028] Specifically, referring to Figure 3 , the connecting piece 4 is a rectangular plate, one end of the rectangular plate is fixedly connected with the side wall of the tie component 3, and the rectangular plate is welded and fixed with the steel reinforcement cage 1. The rectangular plate can not only provide a welding point with the steel reinforcement cage 1, but also can support the steel bar when the steel reinforcement cage 1 is built, thereby achieving rapid construction.

[0029] Specifically, the outer end of the rectangular plate is curved towards the center side of the tie component 3, and the raised outer end can effectively prevent the steel bar from rolling off the connecting plate.

[0030] Specifically, referring to Figure 4 , the connecting piece 4 includes an upper clamping plate 41 and a lower clamping plate 42, and a clamping cavity 43 is formed between the upper clamping plate 41 and the lower clamping plate 42. The steel reinforcement cage 1 is clamped with the clamping cavity 43, and the steel bar of the steel reinforcement cage 1 is clamped into the clamping cavity 43, and the upper clamping plate 41 and the lower clamping plate 42 are used to clamp and fix the steel bar.

[0031] Specifically, the outer ends of the upper clamping plate 41 and the lower clamping plate 42 are curved towards the center of the clamping cavity 43 to form a duckbill-shaped clamping port, thereby reducing the outlet height of the clamping cavity 43 and better locking the steel bar inside.

[0032] Specifically, the connecting piece 4 is arranged in a cross shape on the side wall of the tie component 3, can fix the steel bars on the left side, the right side, the front side or the back side, and can reduce the difficulty of adjusting the orientation of the connecting piece 4 when arranging the tie component 3.

[0033] Specific, the connecting rod 31 can be welded with the tie head 32 fixed connection, also can use integrated fixed connection type connection and other connection methods.

[0034] Specific, the connecting rod 31 and the tie head 32 can be detachable connection, can be in the center of the tie head 32 opening thread hole, the both ends of the connecting rod 31 is equipped with external thread, the connecting rod 31 is connected with the tie head 32 through the thread connection, so that according to the thickness required by different cavity system, the connecting rod 31 of appropriate length is used, the quick assembly of the tie component 3 is realized.

[0035] Specific, the cross section diameter of the tie head 32 is greater than the cross section diameter of the connecting rod 31, so as to form T type structure with the connecting rod 31, increase the volume of the tie head 32 embedded in the prefabricated concrete slab 2, so as to improve the engagement effect of the tie head 32 and the prefabricated concrete slab 2, the inside of the tie head 32 is provided with a through groove 5 for concrete passing along the axial direction, the through groove 5 is arranged in the form of ring in the inside of the tie head 32.

[0036] Referring to Figure 1 and Figure 2 , specific, the prefabricated concrete slab 2 is arranged on both sides of the steel reinforcement cage 1, the both ends of the tie component 3 are connected with the prefabricated concrete slab 2, forming a cavity system wall structure. The tie component 3 is fixedly penetrated on both sides of the steel reinforcement cage 1, and is placed on the pouring table, so that the tie component 3 stands on the top surface of the pouring table, then the concrete is poured into the pouring table first, so that the tie head 32 at the bottom end of the tie component 3 is embedded in the concrete, after the concrete solidifies into a concrete slab, the concrete slab and the steel reinforcement cage 1 are turned over 180°, and the concrete is poured into the pouring table again, so that the tie head 32 at the other end of the tie component 3 is embedded in the concrete, after the concrete solidifies into a concrete slab, the production of the cavity system wall structure is completed.

[0037] Specific, the prefabricated concrete slab 2 is connected and covered in the form of “mouth” on the outside of the steel reinforcement cage 1, the tie component 3 is horizontally and crosswise penetrated around the steel reinforcement cage 1, the tie component 3 pointing forward and backward connects the prefabricated concrete slab 2 on the front and back sides, the tie component 3 pointing left and right connects the prefabricated concrete slab 2 on the left and right sides, forming a cavity system column structure.

[0038] Referring to Figure 5, for the column structure of the cavity system, a split pouring method can be adopted. The tying component 3 stands on the top surface of the pouring platform. First, pour concrete onto the pouring platform to embed the tying head 32 in the concrete. After the concrete solidifies into the first concrete slab, successively turn the concrete slab and the steel reinforcement cage 1 as a whole by 90° along the direction around the tying head 32, and pour concrete on the other three surfaces of the steel reinforcement cage 1 respectively, so that the concrete slabs on the four surfaces are connected to each other to form a cavity column with both ends communicating and the side sealed. The tying heads 32 on the four surfaces are all embedded in the concrete. After all the concrete solidifies into concrete slabs, the production of the column structure of the cavity system is completed;

[0039] See Figure 6 , or an integral pouring method can also be adopted. Build a "hui"-shaped or "concave"-shaped or U-shaped formwork 6 around the steel reinforcement cage 1, cover the formwork 6 outside the steel reinforcement cage 1, and embed the tying head 32 inside the formwork 6. Then pour concrete into the formwork 6. After the concrete solidifies into concrete slabs, the production of the column structure of the cavity system is completed.

[0040] In addition, when pouring concrete, grids or mesh sheets made of materials such as basalt can be added. On the one hand, it can prevent the surface of the formed wall or column from cracking, and on the other hand, it can also prevent the surface of the wall or column from rusting in the later stage.

[0041] It should be noted that the cavity system mentioned in this application includes cavity systems such as the composite wall (column) system and the formwork wall (column) system.

[0042] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cavity architecture, characterized by, The application relates to a reinforced cage arranged in a rectangular column shape and a prefabricated concrete slab arranged outside the reinforced cage, a plurality of tie members are arranged through the reinforced cage, the two ends of the tie members are provided with connecting pieces, the tie members are clamped with the reinforced cage through the connecting pieces, the prefabricated concrete slabs outside are connected with each other through the tie members, the tie members comprise connecting rods arranged through the reinforced cage and tie heads connected with the prefabricated concrete slabs, and the tie heads are connected with each other through the connecting rods.

2. A cavity architecture according to claim 1, wherein, The connecting piece is a rectangular plate, the inner end of the rectangular plate is fixedly connected with the side wall of the tie member, the outer end of the rectangular plate is bent towards the center side of the tie member, and the rectangular plate is welded with the reinforced cage.

3. A cavity architecture according to claim 1, wherein, The connecting piece comprises an upper clamping plate and a lower clamping plate, a clamping cavity is formed between the upper clamping plate and the lower clamping plate, and the reinforced cage is clamped with the clamping cavity.

4. A cavity architecture according to claim 3, wherein, The outer end of the upper clamping plate and the lower clamping plate is bent towards the center of the clamping cavity to form a duck-billed clamping port.

5. A cavity architecture according to claim 2 or 4, wherein, The connecting piece is arranged in a cross shape on the side wall of the tie member.

6. A cavity architecture according to claim 1, wherein, The connecting rod is fixedly connected with the tie head.

7. A cavity architecture according to claim 1, wherein, The connecting rod is detachably connected with the tie head, a threaded hole is arranged in the center of the tie head, the two ends of the connecting rod are provided with external threads, and the connecting rod is screwed with the threaded hole.

8. A cavity architecture according to claim 1, wherein, The cross-sectional diameter of the tie head is larger than that of the connecting rod, an axial through groove for concrete is arranged in the inside of the tie head, and the through groove is arranged in a ring shape in the inside of the tie head.

9. A cavity architecture according to claim 1, wherein, The prefabricated concrete slab is arranged on both sides of the reinforced cage, the two ends of the tie member are connected with the prefabricated concrete slabs, and a cavity system wall structure is formed.

10. A cavity architecture according to claim 1, wherein, The prefabricated concrete slab is arranged in a "mouth" shape and covers the outside of the reinforced cage, the tie members are arranged in a horizontal cross shape through the four sides of the reinforced cage, the front and back pointing tie members are connected with the prefabricated concrete slabs on the front and back sides, the left and right pointing tie members are connected with the prefabricated concrete slabs on the left and right sides, and a cavity system column structure is formed.

Images