CN209260972U - A combined formwork-free device for structural columns - Google Patents

Abstract

The utility model discloses a formwork-free device for a combined construction column. The formwork-free device for a combined construction column includes a left wall and a right wall, and a gap is left between the left wall and the right wall. The gap, the left wall and the right wall are fixed with prefabricated concrete horse teeth, and the structural column reinforcement structure arranged in the vertical direction is fixed in the gap, and there are two vertically arranged in the gap The precast concrete non-demolition module, the left wall and the right wall are connected by two precast concrete non-demolition modules, the left wall, the right wall and the two precast concrete non-demolition The modules enclose each other to form a cavity structure arranged in the vertical direction, and the structural column reinforcement structure is located in the cavity structure; it solves the problem of using traditional wooden formwork to support the formwork, and the formwork needs to be removed after the concrete pouring is completed. It is cumbersome, the construction speed of structural columns is slow, and the quality of concrete molding is poor.

Description

A combined formwork-free device for structural columns

technical field

The utility model relates to the technical field of construction engineering, in particular to a formwork-free device for a combined construction column.

Background technique

In the construction stage of the masonry structure, it is necessary to set up structural columns (see GB50003-2011 "Code for Design of Masonry Structures" for specific setting locations). Usually, the structural columns are set in the masonry construction process. , after the reinforcement of the structural column is bound, the wooden formwork is used to support the formwork, and finally the concrete is poured. This traditional construction method is not only irregular in the retention of horse teeth, but also uses wooden formwork to support the formwork. After the concrete pouring is completed, the formwork must be removed. The procedures are cumbersome, the construction speed of the structural columns is slow, and the quality of concrete molding is average. Therefore, there is a need in the industry for a device that is convenient and quick to construct and can guarantee the molding quality.

Utility model content

The purpose of this utility model is to provide a combined formwork-free device for structural columns, which solves the problem of using traditional wooden formwork to support the formwork and removing the formwork after the concrete pouring is completed. Poor question.

In order to achieve the above object, the utility model provides a combined formwork-free device for construction columns, which includes a left wall and a right wall arranged on the same vertical plane, the left There is a gap between the wall and the right wall, and the end surface of the left wall near the gap is inwardly recessed to form a plurality of first grooves, and the plurality of first grooves are along the vertical direction. Arranged at equal intervals, the end surface of the right wall close to the gap is inwardly recessed to form a plurality of second grooves, and the plurality of second grooves are arranged at equal intervals along the vertical direction, each of the The first groove and each of the second grooves are fixed with prefabricated concrete buttresses, and the structural column reinforcement structure arranged in the vertical direction is fixed in the gap, and two along the vertical direction are also arranged in the gap. The prefabricated concrete non-dismantling modules arranged in the vertical direction, the left wall and the right wall are connected by two prefabricated concrete non-dismantling modules, the left wall, the right wall and the two The precast concrete dismantling-free modules enclose each other to form a cavity structure arranged in the vertical direction, the structural column reinforcement structure is located in the cavity structure, and the combined structural column formwork-free device also includes a horse-tooth anchor device, one end of the horse-tooth anchoring device is inserted into the precast concrete horse-tooth, and the other end extends into the steel structure of the construction column.

Preferably, the horse-toothed anchorage device includes an anchor bar, an anchor plate and a nut, one end of the anchor bar is inserted into the precast concrete horse-tooth bar, and the other end extends into the steel structure of the construction column, and the anchor plate Located in the reinforcement structure of the structural column, one end of the anchor bar passes through the anchor plate and is connected with a nut.

Preferably, the precast concrete non-detachable module includes a plate-shaped structure arranged in the vertical direction, the two ends of the plate-shaped structure are respectively bent into the gap to form a curved part, and the two curved parts are connected to the left wall respectively. Body and said right wall body conflict.

Preferably, a steel hopper is detachably fixed to the upper end of the precast concrete non-detachable module.

Preferably, the combined construction column formwork-free device further includes tie bars arranged in the horizontal direction, one end of the tie bars is inserted into the right wall, and the other end penetrates the steel structure of the construction column and extends to Inside the left wall.

According to the above technical solution, the utility model provides a combined formwork-free device for structural columns, which includes a left wall and a right wall arranged on the same vertical plane, the left There is a gap between the wall and the right wall, and the end surface of the left wall near the gap is inwardly recessed to form a plurality of first grooves, and the plurality of first grooves are along the vertical direction. Arranged at equal intervals, the end surface of the right wall close to the gap is inwardly recessed to form a plurality of second grooves, and the plurality of second grooves are arranged at equal intervals along the vertical direction, each of the The first groove and each of the second grooves are fixed with prefabricated concrete buttresses, and the structural column reinforcement structure arranged in the vertical direction is fixed in the gap, and two along the vertical direction are also arranged in the gap. The prefabricated concrete non-dismantling modules arranged in the vertical direction, the left wall and the right wall are connected by two prefabricated concrete non-dismantling modules, the left wall, the right wall and the two The precast concrete dismantling-free modules enclose each other to form a cavity structure arranged in the vertical direction, the structural column reinforcement structure is located in the cavity structure, and the combined structural column formwork-free device also includes a horse-tooth anchor device, one end of the horse-tooth anchoring device is inserted into the precast concrete horse-tooth, and the other end extends into the steel structure of the construction column. The structure of the device is simple, and the "shell" of the structural column is formed by stacking prefabricated concrete modules without dismantling, and no additional formwork is required for reinforcement. At the same time, the horse teeth are made of prefabricated concrete horse teeth, so there is no need to match the masonry or cut blocks on site. The concave and convex lengths are different. After the structural column is formed, the appearance is beautiful, economical and practical, and the construction efficiency is high.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, together with the following specific embodiments, are used to explain the utility model, but do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the top view of the combined structure column free formwork device provided by the utility model;

Fig. 2 is the structural diagram of the horse-tooth anchoring device in the combined construction column free formwork device provided by the utility model;

Fig. 3 is the structural diagram of the precast concrete free-standing module in the combined construction column formwork-free device provided by the utility model;

Fig. 4 is the structural diagram of the steel hopper in the combined construction column exempt formwork support device provided by the utility model;

Fig. 5 is a front view of the combined construction column formwork-free device provided by the utility model.

Explanation of reference signs

1-Precast concrete non-demolition module 2-Precast concrete horse teeth

3- Horse teeth anchoring device 4- Anchor bar

5-anchor plate 6-nut

7-Structural column reinforcement structure 8-Right wall

12-Steel Hopper 14-Construction Column

15- tie bar

Detailed ways

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

In the present utility model, in the case of no contrary description, the orientation words included in the term such as "vertical direction" only represent the orientation of the term in the normal use state, or the common name understood by those skilled in the art, should not be construed as a limitation of this term.

As shown in Figures 1-5: the utility model provides a combined formwork-free device for structural columns, which includes a left wall and a right wall arranged on the same vertical plane 8. There is a gap between the left wall and the right wall 8, and the end surface of the left wall close to the gap is inwardly recessed to form a plurality of first grooves, and a plurality of the first The grooves are arranged at equidistant intervals along the vertical direction, and a plurality of second grooves are formed by inwardly recessing the end face of the right wall 8 close to the gap, and the plurality of second grooves are equidistant along the vertical direction Arranged at intervals, each of the first grooves and each of the second grooves are fixed with precast concrete horseshoes 2 (here the first grooves and the second grooves are aligned in the horizontal direction), A structural column reinforcement structure 7 arranged in the vertical direction is fixed in the gap, and two precast concrete non-demolition modules 1 arranged in the vertical direction are also arranged in the gap, and the left wall and the right wall The body 8 is connected by two precast concrete non-dismantling modules 1, and the left wall, the right wall 8 and the two precast concrete non-dismantling modules 1 are mutually enclosed to form a space arranged in the vertical direction. Cavity structure (here, the left wall and the right wall both include the wall with the prefabricated concrete mosaic 2, and the side of the wall near the gap is flat), and the structural column reinforcement structure 7 is located in the cavity In the structure, the combined construction column formwork-free device also includes a horse-tooth anchor device 3, one end of the horse-tooth anchor device 3 is inserted into the precast concrete horse-tooth 2, and the other end extends to the construction column Inside the reinforced structure 7. The structure of the device is simple, and the "shell" of the structural column is formed by stacking prefabricated concrete modules without dismantling, and no additional formwork is required for reinforcement. At the same time, the horse teeth are made of prefabricated concrete horse teeth, so there is no need to match the masonry or cut blocks on site. The concave and convex lengths are different. After the structural column is formed, the appearance is beautiful, economical and practical, and the construction efficiency is high.

In a preferred embodiment of the present utility model, in order to make the construction column 14 after pouring complete can be closely connected with the precast concrete horse-toothed pole 2, the said horse-toothed ground anchorage device 3 includes anchor bar 4, anchor plate 5 and Nut 6, one end of the anchor bar 4 is inserted into the prefabricated concrete buttress 2, and the other end extends into the structural column reinforcement structure 7, the anchor plate 5 is located in the structural column reinforcement structure 7, the One end of the anchor bar 4 passes through the anchor plate 5 and is connected with a nut 6 .

In a preferred embodiment of the present utility model, in order to make the construction column 14 closely connected with the left and right walls after pouring, and to facilitate pouring, the precast concrete non-detachable module 1 includes a plate-like structure, the two ends of the plate-like structure are respectively bent into the gap to form a bent part, and the two bent parts are in conflict with the left wall and the right wall 8 respectively.

In a preferred embodiment of the present utility model, in order to facilitate the pouring of the structural column reinforcement structure 7 , a steel hopper 12 is detachably fixed to the upper end of the precast concrete non-detachable module 1 .

In a preferred embodiment of the present utility model, in order to ensure the stability and seismic strength of the entire wall, the combined construction column formwork-free device also includes a tie bar 15 arranged in the horizontal direction, and the tie bar 15 is arranged horizontally. One end of the tie bar 15 is inserted into the right wall 8 , and the other end passes through the structural column reinforcement structure 7 and extends into the left wall.

A specific construction method of the combined structural column formwork-free device provided by the utility model is as follows: the left and right walls are built with aerated blocks, and the aerated blocks are 600×300×200mm as an example; The cross-sectional size of the structural column 14 is illustrated by taking 200×200 as an example; the concave-convex dimension of the precast concrete horse-toothed frame 2 is illustrated by taking 200mm as an example, which meets the requirements of the "Ma-toothed-shaped concave-convex-convex The size should not be less than 60mm", and the adjacent blocks meet the requirements of "staggered joints should be laid when building infill walls, and the length of autoclaved aerated concrete blocks should not be less than 1/3 of the block length"; The precast concrete disassembly-free module 1 is divided according to the height of the actual construction column 14, which is convenient for manual handling; the concrete strength of the precast concrete horse-tooth bar 2 is the same as the concrete strength of the structural column 14 in the design drawing; Yacha 2 is embedded in the prefabrication process, and the anchorage length meets the requirements of the specification; the anchor bar 4 takes a round steel with a diameter of 12 as an example, and the size of the anchor plate 5 takes 50×50×2mm as an example for illustration; the specific construction steps are as follows: first Rebars are planted and pre-embedded on structural beams and structural slabs, and masonry walls are built on both sides of the structural column 14. During the masonry process, tie bars 15 are reserved according to the specifications, and there is no need to reserve horse teeth for the masonry walls. , replaced by precast concrete mosaic 2, in which the mosaic anchoring device 3 is pre-embedded, after the masonry is completed, only the 200×200mm structural column 14 section is left, and then the structural column steel bar 7 is bound , after the binding of structural column reinforcement 7 is completed, the formwork will be sealed, that is, the precast concrete non-demolition module 1 will be built. A steel hopper 12 is installed at the mouth and fixed by a steel hopper fixing device (the fixing device can adopt a fixing device commonly used by those skilled in the art).

The preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the specific details of the above-mentioned embodiment, and within the scope of the technical concept of the utility model, the technical solution of the utility model can be carried out in many ways. These simple modifications all belong to the protection scope of the present utility model.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be explained separately.

In addition, any combination of various implementations of the present invention can also be made, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (5)

1. a kind of combined type structure column exempts from erecting device, which is characterized in that it includes setting that the combined type structure column, which exempts from erecting device, The left wall and right wall (8) in same perpendicular are set, there are gap, institutes between the left wall and the right wall (8) The end face for stating the close gap in left wall, which is recessed inwardly, is formed with multiple first grooves, and multiple first grooves are along vertical Direction equidistant interval is arranged, and the end face in the right wall (8) close to the gap, which is recessed inwardly, is formed with multiple second grooves, Equidistant interval is arranged multiple second grooves along the vertical direction, in each first groove and each second groove It is fixed with precast concrete horse tooth trough (2), the constructional column bar construction (7) being arranged along the vertical direction is fixed in the gap, It also sets up in the gap and exempts from demoulding block (1) there are two the precast concrete that is arranged along the vertical direction, the left wall and described Right wall (8) exempts from demoulding block (1) by two precast concretes and is connected, the left wall, the right wall (8) and two A precast concrete exempts from demoulding block (1) and is mutually enclosed the cavity structure being arranged along the vertical direction, the constructional column steel Muscle structure (7) is located in the cavity structure, and it further includes horse tooth trough anchor that the combined type structure column, which exempts from erecting device, (3), described horse tooth trough anchor (3) one end is inserted into the precast concrete horse tooth trough (2), and the other end extends to the structure It makes in column bar construction (7).

2. combined type structure column according to claim 1 exempts from erecting device, which is characterized in that the horse tooth trough anchor It (3) include dowel (4), anchor slab (5) and nut (6), described dowel (4) one end is inserted into the precast concrete horse tooth trough (2), The other end extends in the constructional column bar construction (7), and the anchor slab (5) is located in the constructional column bar construction (7), institute One end of dowel (4) is stated through the anchor slab (5) and is connected with nut (6).

3. combined type structure column according to claim 1 exempts from erecting device, which is characterized in that precast concrete exempts from demoulding block It (1) include the plate structure being arranged along the vertical direction, the both ends of the plate structure are formed by bending into the gap curved respectively Pars convoluta, two bending sections are inconsistent with the left wall and the right wall (8) respectively.

4. combined type structure column according to claim 1 exempts from erecting device, which is characterized in that the precast concrete exempts to tear open The upper end of module (1) has been removably secured steel hopper (12).

5. combined type structure column according to claim 1 exempts from erecting device, which is characterized in that the combined type structure column is exempted from Erecting device further includes horizontally disposed tension rib (15), and the right wall (8) is inserted into described tension rib (15) one end Interior, the other end is through the constructional column bar construction (7) and extends in the left wall.