CN204850433U - Big steel mould of house engineering shear force wall movement joint department combination expansion formula - Google Patents

Abstract

The utility model discloses a combined expansion type large steel mold at the deformation joint of a shear wall of a residential project, which comprises a vertical channel steel, a pull screw, a formwork and a foldable outer support; the foldable outer support consists of two transverse channel steels and a It consists of two longitudinal connecting rods; the two ends of the longitudinal connecting rod are respectively swing-mounted to one end of the two transverse channel steels through pin shafts; multiple sets of positioning slots are arranged at intervals on the wing plates of the transverse channel steel and the vertical channel steel, each The set of positioning card slots includes four positioning notches; the vertical channel steels are vertically arranged in two rows, and the web surfaces of the two rows of vertical channel steels are opposite; the positioning card slots on the two horizontal channel steels of the foldable outer bracket swing Buckle respectively on the positioning card slots at the same height on the two rows of vertical channel steel; the formwork is closely attached to the web surface of the vertical channel steel and the longitudinal connecting rod; On the two transverse channel steels of the foldable outer support. The assembly structure of the steel mold is simple and convenient for construction at deformation joints, and has good market application prospects.

Description

A composite extended large steel formwork at the deformation joint of the shear wall in residential engineering

technical field

The utility model relates to a steel mold, in particular to a combined and expanded large steel mold used for deformation joints of shear walls in residential engineering.

Background technique

The formwork at the deformation joint of the traditional shear wall is reinforced with wooden formwork and extruded plastic board, etc., but the width of the deformation joint is generally not more than 30cm. It is not easy for workers to reinforce during the construction process, and it is easy to expand the mold and leak concrete, which seriously affects the project. schedule. And after construction, the shear wall is easy to expand the formwork, and the formwork cannot be taken out, which wastes materials and labor. Moreover, the formwork and components at the deformation joints of traditional shear walls are fragmented, making assembly difficult. Constrained by the size of the shear wall, formwork and components need to be matched and adjusted, the splicing workload is heavy, and even part of the formwork needs to be cut, which is costly.

Utility model content

Purpose of the utility model: to provide a shear wall construction steel form with simple assembly structure and convenient construction at deformation joints.

Technical solution: The combined expanded large steel formwork at the deformation seam of the shear wall of a residential project described in the utility model includes vertical channel steel, opposite pull screws, formwork and a foldable outer support; the foldable outer support consists of two horizontal Composed of channel steel and a longitudinal connecting rod; the two ends of the longitudinal connecting rod are respectively swing-mounted to one end of two horizontal channel steels through pin shafts; multiple sets of positioning are arranged at intervals on the wing plates of the horizontal channel steel and the vertical channel steel. Card slots, each set of positioning slots includes four positioning notches; the vertical channel steels are vertically arranged in two rows, and the web surfaces of the two rows of vertical channel steels face each other; the positioning on the two horizontal channel steels of the foldable outer support After swinging, the card slots are respectively fastened to the positioning card slots at the same height on the two rows of vertical channel steel; the template is closely attached to the web surface of the vertical channel steel and the longitudinal connecting rod; The formwork is fixed on the two transverse channel steels of the foldable outer support.

Foldable outer brackets are used to clamp the formwork from both sides, so that the formwork on both sides forms a pouring space, and are fixed by pulling screws. The structure is simple and easy to assemble, and there is no need to build other support brackets or embedded formwork in the deformation joint. , to facilitate the construction of the shear wall at the deformation joint; multiple sets of positioning slots are arranged at intervals on the wing plates of the horizontal channel steel and the vertical channel steel, so as to facilitate the cross buckling of the horizontal channel steel and the vertical channel steel, and improve the stability of the steel formwork Structural strength to prevent deformation during formwork construction.

As a further improvement of the utility model, it also includes a vertically extended channel steel installed vertically, and multiple sets of positioning slots are arranged at intervals on the wing plate of the vertically extended channel steel; the positioning slots of the vertically extended channel steel are connected with the The positioning slots on the two transverse channel steels of the foldable outer support are fastened together; the formwork is closely attached to the web surface of the vertically extended channel steel. The use of vertically extended channel steel can combine and expand the area of the steel mold according to actual construction needs, and extend the vertical height of the steel mold.

As a further improvement of the utility model, it also includes horizontally extended channel steels arranged horizontally, and multiple sets of positioning slots are arranged at intervals on the wing plates of the horizontally extended channel steels; the positioning slots of the two horizontally extended channel steels are respectively fastened On the positioning slots at the same height on the two rows of vertical channel steels; the two ends of the pull screw pass through the formwork on the corresponding side and are fixed on two horizontally extended channel steels. The use of horizontally extended channel steel can combine and expand the area of the steel form according to actual construction needs, and extend the transverse width of the steel form.

As an improvement scheme for the combination of vertically extending channel steel and horizontally extending channel steel of the present invention, on the basis of setting horizontally extending channel steel, it also includes vertically extending vertically extending channel steel. There are multiple sets of positioning slots at intervals on the board; the positioning slots of the vertically extended channel steel are engaged with the positioning slots on the two horizontal channel steels of the foldable outer bracket and/or on the horizontally extended channel steel; On the web surface of the vertically extended channel steel. The combination of vertically extended channel steel and horizontally extended channel steel can expand the area of the steel form according to actual construction needs, and extend the horizontal and vertical lengths of the steel form.

As a further limiting solution of the present invention, the depth of the positioning notch is not greater than half of the width of the channel steel wing plate. The depth of the positioning notch is set to be not greater than half of the width of the channel steel flange, which can ensure the strength of the interlocking between the channel steels and will not cause too much impact on the structural strength of the channel steel itself.

Compared with the prior art, the utility model has the beneficial effects as follows: (1) The formwork is clamped from both sides by the foldable outer bracket, so that the formwork on both sides forms a pouring space, and the formwork is fixed by the pull screw, the structure is simple, It is easy to assemble, and there is no need to build other supporting brackets or embedded formwork in the deformation joint, which is convenient for the construction of the shear wall at the deformation joint; The positioning card slot is convenient for cross-fastening the horizontal channel steel and vertical channel steel, improving the structural strength of the steel formwork and preventing deformation during formwork construction.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the steel mold support of the present invention.

In the figure: 1. Vertical channel steel, 2. Transverse channel steel, 3. Longitudinal connecting rod, 4. Pin shaft, 5. Positioning notch, 6. Pull screw, 7. Formwork, 8. Horizontal extension channel steel, 9 , Vertically extended channel steel.

Detailed ways

The technical solution of the utility model will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the embodiments.

Example 1:

As shown in Figures 1 and 2, the combined expansion type large steel mold at the deformation joint of the shear wall of the residential project of the present utility model includes a vertical channel steel 1, a pull screw 6, a formwork 7 and a foldable outer support; the foldable outer support It consists of two transverse channel steels 2 and a longitudinal connecting rod 3, the longitudinal connecting rod 3 is also a channel steel; the two ends of the longitudinal connecting rod 3 are respectively swing-mounted to one end of the two transverse channel steels 2 through pin shafts 4; On the wing plates of the horizontal channel steel 2 and the vertical channel steel 1, a plurality of sets of positioning slots are arranged at intervals, and each group of positioning slots includes four positioning notches 5; The web surfaces of the vertical channel steel 1 face each other; the positioning slots on the two horizontal channel steels 2 of the foldable outer support are respectively buckled on the positioning slots at the same height on the two rows of vertical channel steels 1 after swinging; Attached to the web surface of the vertical channel steel 1 and the longitudinal connecting rod 3; the two ends of the pull screw 6 pass through the template 7 on the corresponding side and are fixed on the two horizontal channel steels 2 of the foldable outer bracket.

In order to be able to combine and expand the vertical direction of the steel mold according to the actual construction needs, the utility model also includes a vertically extended channel steel 9 arranged vertically, and multiple sets of positioning frames are arranged at intervals on the wing plates of the vertically extended channel steel 9. Card slot; the positioning card slot of the vertically extended channel steel 9 is fastened with the positioning card slots on the two horizontal channel steels 2 of the foldable outer support; the template 7 is closely attached to the web surface of the vertically extended channel steel 9 .

In order to be able to combine and expand the lateral direction of the steel mold according to actual construction needs, the utility model also includes a horizontally extended channel steel 8 arranged horizontally, and multiple sets of positioning slots are arranged at intervals on the wing plates of the laterally extended channel steel 8; The positioning slots of the horizontally extended channel steel 8 are respectively buckled on the positioning slots at the same height on the two rows of vertical channel steels 1; On the channel steel 8.

In order to be able to combine and expand the vertical direction and the lateral direction of the steel mold according to the actual construction needs, the utility model also includes a vertically extended channel steel 9 on the basis of the horizontally extended channel steel 8, which is vertically extended The wing plate of the channel steel 9 is provided with multiple sets of positioning card slots at intervals; the positioning card slots of the vertically extending channel steel 9 and the positioning cards on the two horizontal channel steels 2 of the foldable outer bracket and/or the positioning cards on the horizontally extending channel steel 8 The grooves are snapped together; the template 7 is closely attached to the web surface of the vertically extended channel steel 9.

In order to ensure the structural strength of each channel steel, the utility model sets the depth of the positioning notch 5 to be not more than half of the width of the channel steel wing plate.

The combined expanded large steel formwork at the shear wall deformation joints of the residential project of the utility model is applied to the project with a floor height of 2.9m, expansion joints between the main building units, and a joint width of 200mm, and double shear walls on both sides of the expansion joints Structure; the template 7 at the expansion joint of the shear wall in this project is made of 10mm thick steel plate, and the size of the steel plate is 6250×3100mm; the horizontal channel steel 2 and the horizontal extension channel steel 8 are both made of 40×50mm channel steel, and the length direction The protruding template 7 on each side is about 200mm; bolt holes are arranged on the horizontal channel steel 2 and the horizontally extended channel steel 8, the hole diameter is ∅18mm, and a nut of ∅14mm is welded at the position of the bolt hole; the vertical channel steel 1 and The opening of the vertically extended channel steel 9 faces outward, and the web is welded to the formwork 7, using 40×50mm channel steel. The lower opening of the formwork 7 protrudes 100mm from the lower opening of the shear wall, and is positioned and supported by steel bars, and the upper opening protrudes 100mm from the upper opening of the shear wall.

The application of the combined expanded large steel mold at the deformation joint of the shear wall of the residential project of the utility model has achieved the expected effect, saved the project cost, and has strong applicability, and can be applied to the reinforcement of the formwork at the deformation joint of general civil buildings .

As stated above, although the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. A composite expanded large steel formwork at the deformation joint of a shear wall in a residential project, characterized in that it includes a vertical channel steel (1), a pull screw (6), a formwork (7) and a foldable outer support; it can be folded The outer bracket is composed of two transverse channel steels (2) and a longitudinal connecting rod (3); the two ends of the longitudinal connecting rod (3) are respectively swing-mounted on the two transverse channel steels (2) through pin shafts (4). One end of the horizontal channel steel (2) and the wing plate of the vertical channel steel (1) are provided with multiple sets of positioning slots at intervals, and each set of positioning slots includes four positioning notches (5); the vertical channel steel (1) ) are vertically arranged in two rows, and the web surfaces of the two rows of vertical channel steels (1) are facing each other; the positioning slots on the two horizontal channel steels (2) of the foldable outer bracket are respectively buckled in the two rows of vertical grooves after swinging on the positioning slot at the same height on the steel (1); the formwork (7) is close to the web surface of the vertical channel steel (1) and the longitudinal connecting rod (3); After going through the formwork (7) on the corresponding side, it is fixed on the two transverse channel steels (2) of the foldable outer support. 2. The combined expansion type large steel mold at the deformation joint of the shear wall of the residential project according to claim 1 is characterized in that: it also includes a vertically extended channel steel (9) arranged vertically, and the vertically extended channel steel (9) 9) There are multiple sets of positioning slots at intervals on the wing plate; the positioning slots of the vertically extended channel steel (9) are engaged with the positioning slots on the two horizontal channel steels (2) of the foldable outer bracket; The template (7) is close to the web surface of the vertically extended channel steel (9). 3. The combined expansion type large steel formwork at the deformation joint of the shear wall of the residential project according to claim 1, characterized in that: it also includes a horizontally extended channel steel (8), and the horizontally extended channel steel (8) There are multiple sets of positioning slots at intervals on the wing plate; the positioning slots of the two transversely extended channel steels (8) are buckled respectively on the positioning slots at the same height on the two rows of vertical channel steels (1); The two ends of 6) pass through the formwork (7) on the corresponding side and are fixed on two transversely extended channel steels (8). 4. The combined expansion type large steel mold at the deformation joint of the shear wall of the residential project according to claim 3 is characterized in that: it also includes a vertically extended channel steel (9) arranged vertically, and the vertically extended channel steel (9) 9) There are multiple sets of positioning slots at intervals on the wing plate; the positioning slots of the vertically extended channel steel (9) and the two horizontal channel steels (2) and/or the horizontally extended channel steel (8) of the foldable outer bracket ) on the positioning slots are snapped together; the formwork (7) is closely attached to the web surface of the vertically extended channel steel (9). 5. The composite expanded large steel form at the deformation joint of the shear wall of the residential project according to claim 1, 2 or 3, characterized in that the depth of the positioning notch (5) is not greater than half of the width of the channel steel wing plate.