Combination template in thin seam of shear wall

Abstract

The utility model discloses a shear wall fine seam internal combination formwork which comprises an aluminum formwork body tightly attached to a shear wall in a deformation joint, the aluminum formwork body is provided with a plurality of sets of transverse reinforcing steel bar back ridges from top to bottom, and pins are arranged on the portions, on the upper side and the lower side of each transverse reinforcing steel bar back ridge, of the aluminum formwork body. The transverse reinforcing steel bar back edge comprises two parallel reinforcing steel bars, the two reinforcing steel bars in the same group are fixedly connected with the aluminum formwork through pins, a plurality of one-way screws are fixed between the two reinforcing steel bars, and the fastening ends of the one-way screws penetrate through the aluminum formwork to be fixedly connected with the other side of the shear wall. The overall thickness of a formwork reinforcing system at the deformation joint is effectively reduced, the construction difficulty is lowered, the construction quality is improved, and manual materials and the construction period needed by formwork mounting and dismounting are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction building template technical field, concretely is a kind of shear wall fine gap inner combination template. BACKGROUND

[0002] Current construction industry when constructing large-scale building, deformation joint is often set between double-punch building to meet the structural deformation requirement. However, deformation joint width is generally 200mm-400mm, narrow space makes internal template erection extremely difficult. Traditional erection method places thick steel back ridge into deformation joint to erect template, there are many drawbacks, construction personnel cannot enter deformation joint to operate, erection is difficult.

[0003] Thick traditional steel back ridge is not easy to erect in deformation joint, prone to make deformation joint template erection unstable, concrete pouring process is prone to template displacement, affect concrete molding flatness. After template removal, cutting steel back ridge affects work efficiency, and removal difficulty is greater.

[0004] There is also a scheme using polystyrene foam board to insert into deformation joint template on the market. But polystyrene foam board cost is higher, construction time is long, and it is difficult to recycle. Polystyrene foam board itself is greatly expanded, it is difficult to guarantee the perpendicularity of wall body formed in deformation joint, affect building appearance and function.

[0005] Therefore, it is necessary to provide a shear wall fine gap inner combination template which is safe, efficient, low in cost and can guarantee accurate wall body formation and perpendicularity in deformation joint. UTILITY MODEL CONTENTS

[0006] The utility model discloses shear wall fine gap inner combination template to solve the problems in the background art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A kind of shear wall fine gap inner combination template, including the aluminum mould template of deformation joint inner close to shear wall, the aluminum mould template is equipped with multiple groups of horizontal steel back ridge from top to bottom, aluminum mould template is equipped with pin on the upper and lower sides of each horizontal steel back ridge, the horizontal steel back ridge includes two parallel steels, and the two steels of same group are fixedly connected with aluminum mould template by pin, multiple one-way screw rods are fixed between the two steels, and the fastening end of the one-way screw rod passes through aluminum mould template and is fixedly connected with the other side of shear wall. Steel is HRB400 steel with diameter 25mm, greatly reduces the overall thickness of aluminum mould template after erection, and the minimum expansion joint space can be controlled within 150mm.

[0009] Preferably, a plurality of screw sleeves are arranged between the two steel bars, a plurality of through holes corresponding to the screw sleeves are arranged on the aluminum formwork, the fixed end of the one-way screw is fixed in the screw sleeve, and the fastening end of the one-way screw extends out of the other layer of the aluminum formwork through the through hole. The one-way screw is connected to the other side of the shear wall to be tightly fixed, so that the aluminum formwork can be tightly attached to the shear wall, the pouring effect is improved, and the uneven wall forming or verticality deviation is avoided.

[0010] Preferably, a plurality of pin holes are arranged on the aluminum formwork, the pin is fixedly connected with the aluminum formwork through the pin hole, and the pin is a steel bar bent in the middle.

[0011] Preferably, a plurality of vertical steel bars parallel to each other are further included, and the vertical steel bars are fixedly connected between the back webs of the horizontal steel bars. The vertical steel bars are used for reinforcing the horizontal steel bar webs and the aluminum formwork, and the lower ends of the vertical steel bars are fixed to the ground to achieve the fixing effect of the whole aluminum formwork.

[0012] Preferably, a guardrail and a plurality of steel wire rope lifting rings are arranged on the top of the aluminum formwork, and the steel wire rope lifting rings are wound on the top of the aluminum formwork through the pin holes. The guardrail can effectively protect the construction personnel working above the aluminum formwork, and the safety is improved. The whole aluminum formwork is erected in the formwork processing area in advance, so that the stability of erection is guaranteed, the structure displacement is prevented during subsequent concrete pouring, the aluminum formwork is hoisted into the deformation joint through the steel wire rope lifting rings, the erection is convenient and fast, and the subsequent form removal work is also facilitated.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The aluminum formwork and the steel horizontal back web are assembled and welded into a combined large formwork in advance, the combined large formwork is hoisted into the deformation joint conveniently and quickly on the construction site, the problem that the traditional steel back web is difficult to be erected in the deformation joint due to large size is solved. The whole formwork is assembled and erected in the formwork processing area in advance, so that the erection efficiency is improved, the stability and safety of the whole formwork are guaranteed, the formwork displacement during concrete pouring is avoided, the wall forming precision and the verticality in the deformation joint are guaranteed, the 25mm-diameter HRB400 steel bar is used, the horizontal back web and the pin are welded into a shape, the overall thickness of the formwork reinforcing system at the deformation joint is effectively reduced, and a larger operation space is provided for the operating personnel. The formwork is simple and efficient, the construction personnel can conveniently and flexibly modify and process according to the construction site conditions, the safety of the construction personnel is improved by arranging the guardrail above the aluminum formwork. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view of the whole structure of the utility model;

[0016] Fig. 2 A part of the utility model is enlarged schematic view;

[0017] 1, aluminum template; 2, transverse steel bar back ridge; 21, steel bar; 3, vertical steel bar; 4, guardrail; 5, wire rope sling; 6, one-way screw; 7, screw sleeve; 8, pin; 9, pin hole; 10, through hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Refer to Figs. 1-2 A kind of shear wall fine crack inner combination formwork, including deformation crack inner closely attached to the aluminum template 1 of shear wall, the aluminum template 1 is equipped with multiple transverse steel bar back ridge 2 from top to bottom, pin 8 is arranged on the aluminum template 1 on the upper and lower sides of each transverse steel bar back ridge 2, the transverse steel bar back ridge 2 includes two mutually parallel steel bars 21, and the two steel bars 21 of same group are fixedly connected with aluminum template 1 by pin 8, multiple one-way screws 6 are fixed between the two steel bars 21, and the fastening end of the one-way screw 6 is fixedly connected with the other side of shear wall by passing through aluminum template 1.The steel bar 21 is HRB400 steel bar 21 with diameter 25mm, greatly reduces the overall thickness of aluminum template 1 after erection, and the expansion joint space can be controlled within 150mm range at most.

[0020] Several screw sleeves 7 are arranged between the two steel bars 21, multiple through holes 10 corresponding to screw sleeve 7 are arranged on the aluminum template 1, the fixed end of the one-way screw 6 is fixed in screw sleeve 7, and the fastening end of the one-way screw 6 is stretched out from another layer of aluminum template 1 by through hole 10.The other side of shear wall is fixedly connected by one-way screw 6, so that aluminum template 1 can be closely attached to shear wall, pouring effect is improved, and the condition that wall forming is not flat or perpendicularity deviation is avoided.

[0021] Multiple pin holes 9 are arranged on the aluminum template 1, the pin 8 is fixedly connected with aluminum template 1 by passing through pin hole 9, and the pin 8 is steel bar with middle part bending.

[0022] It also includes several mutually parallel vertical steel bars 3, and the transverse steel bar back ridge 2 is fixedly connected by vertical steel bar 3.Vertical steel bar 3 is used for reinforcing transverse steel bar back ridge 2 and aluminum template 1, and the lower end of vertical steel bar 3 is fixed to ground, so as to achieve the fixed effect of aluminum template 1 as a whole.

[0023] The aluminum formwork template 1 is equipped with a protective railing 4 and multiple sets of wire rope lifting rings 5 ​​at its top. The wire rope lifting rings 5 ​​are wound around the top of the aluminum formwork template 1 through pin holes 9. The protective railing 4 can effectively protect the construction personnel working above the aluminum formwork template 1, improving safety. By pre-erecting the aluminum formwork template 1 in the formwork processing area, the stability of the erection is ensured, preventing structural displacement during subsequent concrete pouring. Then, it is hoisted into the expansion joint using the wire rope lifting rings 5, making the erection convenient and quick, and also facilitating subsequent formwork dismantling.

[0024] When using this utility model, the aluminum formwork template 1 and the steel transverse reinforcing bars are assembled and welded into a combined large template in the template processing area in advance. According to the design drawings, the reinforcing bars 21 are welded and fixed to the aluminum formwork template 1 with pins 8 in the processing yard in advance. At the same time, the screw sleeve 7 is welded between the two reinforcing bars 21, and through holes 10 are opened on the aluminum formwork template 1 at the opposite position of the screw sleeve 7. The fixed end of the one-way screw 6 is welded into the screw sleeve 7. The wire rope lifting ring 5 and the guardrail 4 are welded and installed on the top of the aluminum formwork template 1. Finally, the assembled template is hoisted into the expansion joint by the wire rope lifting ring 5.

[0025] The reinforcement bar 21 uses 25mm diameter HRB400 steel bars, reducing the overall thickness of the formwork reinforcement system at the expansion joint and increasing the working space for workers. The expansion joint space can be controlled to a minimum of 150mm, reducing construction difficulty, improving construction quality, and reducing the labor, materials, and construction time required for formwork installation and dismantling, thereby increasing economic benefits and saving construction time.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A combined formwork for a thin joint of a shear wall, comprising a deformed joint- close aluminium formwork (1) which is attached to the shear wall, characterized in that, The aluminum formwork (1) is provided with a plurality of groups of transverse steel back bars (2) from top to bottom, the aluminum formwork (1) on the upper and lower sides of each transverse steel back bar (2) is provided with a pin (8), the transverse steel back bar (2) comprises two parallel steel bars (21), and the two steel bars (21) of the same group are fixedly connected with the aluminum formwork (1) through the pin (8), a plurality of one-way screws (6) are fixed between the two steel bars (21), and the fastening end of the one-way screw (6) is fixedly connected with the other side of the shear wall through the aluminum formwork (1).

2. The thin joint in-place composite formwork for shear walls of claim 1, wherein, A plurality of screw sleeves (7) are arranged between the two steel bars (21), a plurality of through holes (10) corresponding to the screw sleeves (7) are arranged on the aluminum formwork (1), the fixed end of the one-way screw (6) is fixed in the screw sleeve (7), and the fastening end of the one-way screw (6) extends out of the other layer of the aluminum formwork (1) from the through hole (10).

3. The thin joint in-place composite formwork for shear walls of claim 2, wherein, A plurality of pin holes (9) are arranged on the aluminum formwork (1), the pin (8) is fixedly connected with the aluminum formwork (1) through the pin hole (9), and the pin (8) is a steel bar with a bent middle portion.

4. The thin joint in-place composite formwork for shear walls of claim 3, wherein, A plurality of vertical steel bars (3) parallel to each other are further included, and the transverse steel back bars (2) are fixedly connected through the vertical steel bars (3).

5. The thin joint in-place composite formwork for shear walls of claim 4, wherein, The top of the aluminum formwork (1) is provided with a protective fence (4) and a plurality of groups of steel wire rope lifting rings (5), and the steel wire rope lifting ring (5) is wound on the top of the aluminum formwork (1) through the pin hole (9).

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