CN209179485U - A kind of twin columns shuttering fastening member - Google Patents

Abstract

The utility model provides a double-column formwork reinforcement, which belongs to the technical field of building construction. The technical solution is as follows: it includes reinforcement components and transverse struts 4 respectively arranged on both sides of the column to be built, the reinforcement components and the transverse struts 4 are connected by pull bolts 5, the reinforcement components include two A vertical back flute 2 is fixedly arranged between each horizontal back flute 1, a micro hydraulic jack 3 is fixedly arranged in the middle of the horizontal back flute 1, and a first through hole 11 is respectively arranged near the two ends of the horizontal back flute 1, and the first through hole 11 is provided with pull bolts 5 . The beneficial effects of the utility model are: the utility model has a simple structure, high rigidity, and is not easy to deform, and can be applied to construction conditions where the distance between two columns is ≤100mm. The utility model is used to reinforce the construction formwork, and the reinforcement strength is large, and the deformation of the double columns can be avoided And the resulting formwork is difficult to disassemble the problem, while ensuring the quality of concrete molding.

Description

A double-column formwork reinforcement

technical field

The utility model relates to the technical field of building construction, in particular to a double-column formwork reinforcement.

Background technique

The traditional small-spacing double-column reinforcement method generally uses ordinary formwork and wooden square back corrugated for reinforcement, and then the middle of the double-column is filled with extruded polystyrene board. Due to the rigidity of wood square and extruded polystyrene board Smaller, the lateral pressure is extremely large during concrete pouring, resulting in serious deformation of the double columns, and there is no effective guarantee for verticality and flatness. After the pouring is completed, due to the extrusion of the concrete, the formwork, back corrugated and extruded polystyrene board are seriously deformed , Difficult to demould.

Utility model content

The purpose of the utility model is to provide a double-column formwork stiffener which has high rigidity, is not easy to deform, and is suitable for columns of various sizes. The utility model aims at reinforcing the formwork of large-size columns, improves the reinforcement strength, and can avoid the problems of deformation of double columns and difficult disassembly of the formwork.

The utility model is achieved through the following measures: a double-column formwork reinforcement, including reinforcement components and transverse struts respectively arranged on both sides of the column to be built, the reinforcement components and the transverse struts are connected by pull bolts, The reinforcing assembly is arranged between the double columns; the reinforcing assembly includes two horizontal back flutes, and a vertical back flute is fixedly arranged between the two horizontal back flutes, and the horizontal back flute and the vertical back flute The front of the flute is located on the same horizontal plane, and the middle part of the horizontal back flute is fixedly equipped with a micro hydraulic jack, and the micro hydraulic jack is arranged on the back of the horizontal back flute, and the positions near the two ends of the transverse back flute are respectively provided with a first channel. holes, and the tension bolts are arranged in the first through holes. The micro-hydraulic jack is connected with the pipeline of the micro-hydraulic jack hydraulic machine through a hydraulic pipe. The working principle of the miniature hydraulic jack is a prior art, and will not be repeated here.

The beneficial effects of the utility model are as follows: the utility model has simple structure, high rigidity, and is not easily deformed. Its biggest feature is that it can be applied to construction conditions where the distance between two columns is ≤100mm. Using the utility model to reinforce the construction formwork, the reinforcement strength is large, It is possible to avoid the deformation of the double columns and the resulting difficulty in disassembling the formwork, while ensuring the molding quality of the concrete.

Preferably, the two-stay bolt is connected to the transverse strut through a connecting piece, and the connecting piece includes a bottom plate, wing plates arranged at both ends of the bottom plate, and a third through hole arranged in the middle of the bottom plate, The two transverse struts are arranged side by side between the two wing plates, and the tension bolts are arranged in the third through holes. The transverse struts and the reinforcing components are respectively arranged on opposite sides of the column to be built, and the pair of pull bolts are arranged on the other opposite sides of the column to be built.

The preferred beneficial effect of using this method is: each of the transverse back corrugations is connected to the two transverse struts through the pull bolts, and the two transverse struts are connected through the connecting piece to ensure that the column to be built Formwork on each side wall is sufficiently supported without deformation.

Preferably, the lower end surface of the upper transverse back flute and the upper end surface of the lower transverse back flute are fixedly provided with strip-shaped baffles, and the strip-shaped baffles are set close to the back of the transverse back flute, so The strip-shaped retaining edge is provided with a second through hole, and the two ends of the vertical back flute are respectively provided with threaded holes used in conjunction with the second through hole, and the vertical back flute and the strip-shaped retaining edge Connected by bolts.

The beneficial effect of using this preferred method is that: the vertical back flute is set as an adjustable structure, the position can be adjusted in the horizontal direction, and it is suitable for the construction of double columns of various sizes.

Preferably, both the horizontal back flute and the vertical back flute are made of square steel pipes, and the transverse struts are made of circular steel pipes.

When in use, first one of the columns of the double columns is poured and built according to the existing method, and then the column formwork to be built is installed. The horizontal struts are arranged on the opposite side of the column to be established, and several vertical struts are arranged between the horizontal struts and the formwork, and the two ends of the horizontal back corrugated and the horizontal struts pass through the pair Pull the bolt connection, fix the template, and then use the micro hydraulic jack to jack up the side wall of the column that has been built, and add a force-bearing support point in the middle of the horizontal back corrugation, which has high strength and is not easy to deform; A number of vertical struts are installed on the outside of the formwork on the two side walls of the column to be established adjacent to the side wall on which the reinforcement assembly is installed, and the horizontal struts are installed on the outside of the vertical struts and connected by the pair of pull bolts; all After the formwork is installed, it is poured. After the pouring is completed and solidified, the miniature hydraulic jack is retracted to facilitate the disassembly of the double-column formwork reinforcement and the formwork.

Description of drawings

Figure 1 is a schematic diagram of the installation of the utility model embodiment.

Fig. 2 is a schematic structural diagram of the reinforcement assembly of the embodiment of the present invention.

Fig. 3 is a structural schematic diagram of the connector of the embodiment of the utility model.

Among them, the reference signs are: 1, horizontal back flute; 11, first through hole; 12, strip-shaped retaining edge; 121, second through hole; 2, vertical back flute; 3, miniature hydraulic jack; 4, horizontal 5. Pull bolts; 6. Connectors; 61. Bottom plate; 62. Wing plate; 63. Third through hole; 7. Template; 8. Vertical support rod.

Detailed ways

In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

Referring to Figures 1-3, the upper half of the completed column in Figure 1 is hidden for convenience. The utility model is a double-column formwork reinforcement, which includes a reinforcement assembly and a transverse strut 4 respectively arranged on both sides of the column to be built. Between the columns; the reinforcement component includes two horizontal back flutes 1, and a vertical back flute 2 is fixed between the two horizontal back flutes 1, the fronts of the horizontal back flute 1 and the vertical back flute 2 are located on the same horizontal plane, and the horizontal back flute 2 The middle part of 1 is fixed with a miniature hydraulic jack 3, and the miniature hydraulic jack 3 is arranged on the back of the horizontal back corrugated 1, and the transverse back corrugated 1 is respectively provided with first through holes 11 near both ends, and the first through hole 11 is provided with a pair of pull Bolt 5. The miniature hydraulic jack 3 is connected with the pipeline of the miniature hydraulic jack hydraulic machine through a hydraulic pipe. The hydraulic pipes and the miniature hydraulic jack hydraulic machine are not shown in the figure.

The pull bolt 5 and the transverse strut 4 are connected by a connecting piece 6. The connecting piece 6 includes a bottom plate 61, a wing plate 62 arranged at both ends of the bottom plate 61 and a third through hole 63 arranged in the middle of the bottom plate 61. The two transverse struts The rods 4 are arranged side by side between the two wing plates 62 , and the pull bolts 5 are arranged in the third through holes 63 . The transverse struts 4 and the reinforcing components are respectively arranged on opposite sides of the column to be built, and the tension bolts 5 are arranged on the other opposite sides of the column to be built.

Each horizontal back corrugated 1 is connected to two horizontal struts 4 through pull bolts 5, and the two transverse struts 4 are connected through connectors 6 to ensure that the formwork on each side wall of the column to be built can be adequately supported , no deformation occurs.

The lower end surface of the upper transverse back flute 1 and the upper end surface of the lower transverse back flute 1 are fixedly provided with a bar-shaped retaining edge 12, which is set close to the back of the transverse back flute 1, and the strip-shaped retaining edge 12 is provided with The second through hole 121, the two ends of the vertical back flute 2 are respectively provided with threaded holes 21 used in conjunction with the second through hole 121, and the vertical back flute 2 and the bar-shaped retaining edge 12 are connected by bolts.

The vertical back flute is set as an adjustable structure, which can adjust the position in the horizontal direction, and is suitable for double-column construction of various sizes.

Both the horizontal back flute 1 and the vertical back flute 2 are made of square steel pipes, and the horizontal struts 4 are made of circular steel pipes.

During use, first one of the columns of the double columns is poured and built according to the existing method, and then the column formwork 7 to be built is installed. The rod 4 is arranged on the opposite side of the column to be established, and a number of vertical struts 8 are arranged between the transverse strut 4 and the template 7. Fix the template 7, and then use the micro hydraulic jack 3 to push it on the side wall of the column that has been built, and add a force support point in the middle of the horizontal back corrugated 1, which is strong and not easy to deform; then the column to be established and installed A number of vertical struts 8 are installed on the outside of the formwork 7 adjacent to the side walls of the double-column formwork 7 reinforcements, and the lateral struts 4 are installed on the outside of the vertical struts 8, and are connected by pull bolts 5; all After the template 7 is installed, it is poured. After the pouring is completed and solidified, the micro hydraulic jack 3 is retracted to facilitate the disassembly of the reinforcement and the template 7.

The undescribed technical features of the utility model can be realized by or using the prior art, so they will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary skilled persons within the essential scope of the present utility model shall also belong to the protection scope of the present utility model.

Claims (5)

1. A double-column formwork reinforcement, characterized in that it includes a reinforcement component and a transverse strut (4) respectively arranged on both sides of the column to be built, and the reinforcement component and the transverse strut (4) are connected by a pull bolt (5) connection, the reinforcement assembly includes two horizontal back flutes (1), a vertical back flute (2) is fixed between the two horizontal back flutes (1), and the horizontal back flute (1) Located on the same level as the front of the vertical back flute (2), the middle part of the horizontal back flute (1) is fixed with a miniature hydraulic jack (3), and the miniature hydraulic jack (3) is set on the horizontal back flute On the back side of (1), first through holes (11) are respectively provided near the two ends of the transverse back corrugation (1), and the tension bolts (5) are arranged in the first through holes (11). 2. The double-column formwork reinforcement according to claim 1, characterized in that, the tie bolts (5) and the transverse struts (4) are connected by connecting pieces (6), and the connecting pieces (6) Including the bottom plate (61), the wing plates (62) arranged at both ends of the bottom plate (61), and the third through hole (63) arranged in the middle of the bottom plate (61), the two transverse struts (4) Arranged side by side between the two wing plates ( 62 ), and the tension bolt ( 5 ) is arranged in the third through hole ( 63 ). 3. The double-column formwork reinforcement according to claim 1, characterized in that the lower end surface of the upper transverse back flute (1) and the upper end surface of the lower transverse back flute (1) are fixedly provided with A strip-shaped retaining edge (12), the strip-shaped retaining edge (12) is arranged close to the back of the transverse back flute (1), and the strip-shaped retaining edge (12) is provided with a second through hole (121), so The two ends of the vertical back flute (2) are respectively provided with threaded holes (21) used in conjunction with the second through hole (121), and the vertical back flute (2) and the strip-shaped retaining edge ( 12) Connection by bolts. 4. The double-column formwork reinforcement according to claim 1, characterized in that, both the horizontal back flute (1) and the vertical back flute (2) are made of square steel pipes. 5. The double-column formwork reinforcement according to any one of claims 1-4, characterized in that the transverse struts (4) are made of circular steel pipes.