CN216340459U - Cross plastering-free cavity prefabricated part - Google Patents

Cross plastering-free cavity prefabricated part Download PDF

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Publication number
CN216340459U
CN216340459U CN202123078887.0U CN202123078887U CN216340459U CN 216340459 U CN216340459 U CN 216340459U CN 202123078887 U CN202123078887 U CN 202123078887U CN 216340459 U CN216340459 U CN 216340459U
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China
Prior art keywords
cross
formwork
shaped
outer formwork
joint
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CN202123078887.0U
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Chinese (zh)
Inventor
张坤
田志坤
吴现敬
汪成
陈琳琳
高龙
石利燕
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China Railway Construction Group Co Ltd
Beijing Engineering Co Ltd of China Railway Construction Group Co Ltd
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China Railway Construction Group Co Ltd
Beijing Engineering Co Ltd of China Railway Construction Group Co Ltd
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Priority to CN202123078887.0U priority Critical patent/CN216340459U/en
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Abstract

The utility model discloses a cross plastering-free cavity prefabricated component which comprises a formwork component and a counter-pull fixing component. The utility model has the beneficial effects that: the joint of the connecting plate and the two half formworks is welded with a reinforcing rib plate in a right-angled triangle shape, so that the joint of the connecting plate and the half formworks is further reinforced, and the joint is not easy to break when the two side edges of the cross outer formwork are pulled oppositely; the connecting component is arranged, so that after concrete is poured, the cross inner formwork shell cannot generate relative displacement corresponding to the cross outer formwork shell; the fixing nut is sleeved on the split screw penetrating through the joint of the cross outer formwork and the cross inner formwork, the fixing nut is screwed to provide outward tension for the cross inner formwork while split, and then the cross inner formwork and the cross outer formwork are tightly attached together to prevent poured concrete from entering a gap.

Description

Cross plastering-free cavity prefabricated part
Technical Field
The utility model relates to a formwork, in particular to a cross plastering-free cavity prefabricated component, and belongs to the technical field of building construction.
Background
Along with the increasingly rapid urbanization development process, governments increase the strength to build environment-friendly and resource-saving societies, and the policy of energy conservation and emission reduction is greatly promoted, so that the reform of wall materials in the building industry is also deepened continuously, people increasingly accept the lightweight and efficient materials to build walls, prefabricated components refer to fabricated concrete components which are manufactured before installation in a construction site, and the prefabricated concrete components are generally common, such as a prefabricated concrete floor slab, a concrete box beam for a bridge, a prefabricated concrete roof beam for an industrial factory building, a culvert frame structure, a prefabricated concrete pile for foundation treatment and the like.
However, for the construction of some cross-shaped construction columns, it is necessary to prepare prefabricated elements of corresponding shapes, whereas for existing formworks for preparing prefabricated elements:
1. although the inner and outer formworks are assembled, a gap exists between the two formworks, and then when concrete is poured, the concrete flows into the gap, so that the formwork is inconvenient to disassemble after the concrete is fixed;
2. the existing formwork component is often only used for fixing the connection position of the inner and outer formworks, and the connection firmness is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a cross plastering-free cavity prefabricated part.
The utility model realizes the purpose through the following technical scheme: a cross plastering-free cavity prefabricated part comprises
The shuttering component comprises a cross-shaped outer shuttering and a cross-shaped inner shuttering arranged at the inner side of the cross-shaped outer shuttering, wherein the cross-shaped outer shuttering is formed by fixedly connecting two symmetrical half shuttering by connecting plates at the butt joint through fastening bolts;
the opposite-pulling fixing component is used for fixedly connecting the cross outer formwork and the cross inner formwork and consists of an opposite-pulling component connected at the joint of the cross outer formwork and the cross inner formwork and a connecting component connected between two side edges of the cross outer formwork.
As a still further scheme of the utility model: two through holes which are correspondingly arranged are formed in the two connecting plates.
As a still further scheme of the utility model: a cross cavity is formed between the cross outer formwork and the cross inner formwork.
As a still further scheme of the utility model: and a reinforcing rib plate in a right-angle triangular shape is welded at the joint of the connecting plate and the two half formworks.
As a still further scheme of the utility model: the connecting assembly is composed of a connecting frame positioned in the middle and a split screw rod which penetrates through two side edges of the cross outer mold shell and the cross inner mold shell and is in threaded connection with two ends of the connecting frame.
As a still further scheme of the utility model: and a fixing nut is sleeved on the split screw which penetrates through the joint of the cross outer formwork and the cross inner formwork through threads.
The utility model has the beneficial effects that:
1. the joint of the connecting plate and the two half formworks is welded with a reinforcing rib plate in a right-angled triangle shape, so that the joint of the connecting plate and the half formworks is further reinforced, and the joint is not easy to break when the two side edges of the cross outer formwork are pulled oppositely;
2. the connecting component is arranged to ensure the firmness of the connecting position of the cross outer formwork and the cross inner formwork, so that the cross inner formwork can not generate relative displacement corresponding to the cross outer formwork after concrete is poured;
3. the fixing nut is sleeved on the split screw penetrating through the joint of the cross outer formwork and the cross inner formwork, the fixing nut is screwed to provide outward tension for the cross inner formwork while split, and then the cross inner formwork and the cross outer formwork are tightly attached together to prevent poured concrete from entering a gap.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connecting structure of the U-shaped outer mold shell of the present invention;
FIG. 3 is a schematic front view of the present invention.
In the figure: 1. the cross-shaped outer formwork comprises a cross-shaped outer formwork body 2, a connecting plate 3, a fastening bolt 4, a cross-shaped inner formwork body 5, a split screw rod 6, a connecting frame 7, a fixing nut 8 and a reinforcing rib plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a cross-shaped plastering-free cavity prefabricated member comprises
The shuttering component comprises a cross outer shuttering 1 and a cross inner shuttering 4 arranged at the inner side of the cross outer shuttering 1, wherein the cross outer shuttering 1 is formed by fixedly connecting two symmetrical half shuttering by connecting plates 2 at the butt joint through fastening bolts 3;
the opposite-pulling fixing component is used for fixedly connecting the cross outer formwork 1 and the cross inner formwork 4 and consists of an opposite-pulling component connected at the joint of the cross outer formwork 1 and the cross inner formwork 4 and a connecting component connected between two side edges of the cross outer formwork 1 in an opposite-pulling way.
In the embodiment of the utility model, two through holes are correspondingly formed in the two connecting plates 2, so that the two connecting plates 2 are fixedly connected through the two fastening bolts 3, and the two half formworks of the cross-shaped outer formwork 1 are firmly connected.
In the embodiment of the utility model, a cross-shaped cavity is formed between the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4, and concrete is poured in the cavity to form a cross-shaped prefabricated component.
In the embodiment of the utility model, the connecting part of the connecting plate 2 and the two half formworks is welded with the reinforcing rib plate 8 in a right-angled triangle shape, so that the connecting part of the connecting plate 2 and the half formworks is further reinforced, and the connecting part is not easy to break when the two side edges of the cross outer formwork 1 are oppositely pulled.
Example two
Referring to fig. 1 to 3, a cross-shaped plastering-free cavity prefabricated member comprises
The shuttering component comprises a cross outer shuttering 1 and a cross inner shuttering 4 arranged at the inner side of the cross outer shuttering 1, wherein the cross outer shuttering 1 is formed by fixedly connecting two symmetrical half shuttering by connecting plates 2 at the butt joint through fastening bolts 3;
the opposite-pulling fixing component is used for fixedly connecting the cross outer formwork 1 and the cross inner formwork 4 and consists of an opposite-pulling component connected at the joint of the cross outer formwork 1 and the cross inner formwork 4 and a connecting component connected between two side edges of the cross outer formwork 1 in an opposite-pulling way.
In the embodiment of the utility model, the connecting component is composed of a connecting frame 6 positioned in the middle and a split screw 5 which penetrates through two side edges of the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4 and is in threaded connection with two ends of the connecting frame 6, so that the connection position of the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4 is ensured to be firm, and the cross-shaped inner formwork 4 can not generate relative displacement corresponding to the cross-shaped outer formwork 1 after concrete is poured.
In the embodiment of the utility model, the fixing nut 7 is sleeved on the split screw 5 penetrating through the joint of the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4 in a threaded manner, so that the fixing nut 7 can be screwed to provide outward tension for the cross-shaped inner formwork 4 while split, further the cross-shaped inner formwork 4 and the cross-shaped outer formwork 1 can be tightly attached together, and poured concrete is prevented from entering a gap.
The working principle is as follows: the two connecting plates 3 of the cross-shaped outer formwork 1 can be aligned together, and are fixedly connected through the two fastening bolts 3, so that the two half formworks of the cross-shaped outer formwork 1 are firmly connected, then the cross-shaped inner formwork 4 is placed in the cross-shaped outer formwork 1, the connection positions of the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4 are firmly connected through the connecting assembly, a cross-shaped cavity is formed between the cross-shaped outer formwork 1 and the cross-shaped inner formwork 4, and concrete is poured in the cavity to form a cross-shaped prefabricated component.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a cross cavity prefabricated component that plasters of exempting from which characterized in that: comprises that
The formwork component forms a main body framework structure of the formwork and consists of a cross-shaped outer formwork (1) and a cross-shaped inner formwork (4) arranged on the inner side of the cross-shaped outer formwork (1), wherein the cross-shaped outer formwork (1) is fixedly connected by two symmetrical half formworks through connecting plates (2) at the butt joint part through fastening bolts (3);
the opposite-pulling fixing component is used for fixedly connecting the cross outer formwork (1) and the cross inner formwork (4), and consists of an opposite-pulling component connected at the joint of the cross outer formwork (1) and the cross inner formwork (4) and a connecting component connected between two side edges of the cross outer formwork (1).
2. The cross-shaped plastering-free cavity prefabricated part as claimed in claim 1, wherein: two through holes which are correspondingly arranged are arranged on the two connecting plates (2).
3. The cross-shaped plastering-free cavity prefabricated part as claimed in claim 1, wherein: a cross cavity is formed between the cross outer formwork (1) and the cross inner formwork (4).
4. The cross-shaped plastering-free cavity prefabricated part as claimed in claim 1, wherein: and a reinforcing rib plate (8) in a right-angle triangular shape is welded at the joint of the connecting plate (2) and the two half formworks.
5. The cross-shaped plastering-free cavity prefabricated part as claimed in claim 1, wherein: the connecting assembly is composed of a connecting frame (6) positioned in the middle, and split screws (5) which penetrate through two side edges of the cross outer formwork (1) and the cross inner formwork (4) and are in threaded connection with two ends of the connecting frame (6).
6. The cross-shaped plastering-free cavity prefabricated part as claimed in claim 1, wherein: a fixing nut (7) is sleeved on a split screw (5) which penetrates through the joint of the cross outer formwork (1) and the cross inner formwork (4).
CN202123078887.0U 2021-12-09 2021-12-09 Cross plastering-free cavity prefabricated part Active CN216340459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123078887.0U CN216340459U (en) 2021-12-09 2021-12-09 Cross plastering-free cavity prefabricated part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123078887.0U CN216340459U (en) 2021-12-09 2021-12-09 Cross plastering-free cavity prefabricated part

Publications (1)

Publication Number Publication Date
CN216340459U true CN216340459U (en) 2022-04-19

Family

ID=81162290

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123078887.0U Active CN216340459U (en) 2021-12-09 2021-12-09 Cross plastering-free cavity prefabricated part

Country Status (1)

Country Link
CN (1) CN216340459U (en)

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