Formwork for the reserved steel bar surface of precast components

By designing reserved steel surface formwork, using bayonet structure and sealing layer to simplify the perforation and removal of steel bars, the difficulty of installing and dismantling of traditional forms is solved, and a low-cost and efficient construction process is achieved.

CN115922905BActive Publication Date: 2025-07-08CCFED THE FIRST CONSTR & ENG +1
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Patent Information

Application Number
CN202211734545.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-31
Publication Date
2025-07-08
Estimated Expiration
2042-12-31

AI Technical Summary

Technical Problem

It is difficult to install and dismantle the traditional embedded steel surface formwork, especially when the position error of the embedded steel bars, resulting in complex construction and high risk.

Method used

A reserved steel bar surface formwork is designed, including the formwork body, sealing layer and removable fixing components, and the steel bars are sealed through the bayonet structure and sealing layer to simplify the steel bar perforation and formwork removal process.

Benefits of technology

It reduces construction difficulty, improves work efficiency, avoids the danger of formwork deformation and demolition, is low in cost and wide in application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a template for a reserved steel bar surface of a precast member. In the template, a template main body is attached to the surface of the steel bars of the precast member. The surface of the steel bars has at least one set of steel bar arrays extending outward. The template main body is provided with at least one receiving groove for receiving the steel bar arrays. A plurality of first clamping openings for clamping the steel bar arrays are arranged on one side of the receiving groove. A first sealing layer is sleeved on the periphery of the receiving groove. A second sealing layer is sleeved on the periphery of at least part of the first clamping openings. At least one template cover plate is attached to the template main body. One side of the template cover plate is pivotally connected to the template main body, and the other side is provided with a plurality of second clamping openings. The second clamping openings are aligned with the first clamping openings and the second clamping openings and the first clamping openings cooperate with each other to clamp the steel bars. A third sealing layer is sleeved on the periphery of the second clamping openings. The third sealing layer at least cooperates with the second sealing layer to seal the steel bars. A plurality of detachable fixing components detachably fix the template cover plate to the template main body, and the template for the reserved steel bar surface improves the working efficiency.
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Description

Technical Field

[0001] The present invention relates to the technical field of precast concrete component construction, and particularly to a template for a reserved steel bar surface of a precast component. Background Art

[0002] With the continuous development of construction, the proportion of precast components in construction is increasing. However, when constructing the embedded steel bar parts of precast components, due to a large number of embedded steel bars and the position errors of the embedded steel bars, at the end of the concrete component with embedded steel bars, all the steel bars need to be passed through the holes on the steel formwork together; not only a large amount of labor and time are required, but also because the formwork needs to pass through ribbed steel bars, the construction is very difficult. When removing the formwork, the formwork will also be stuck by the steel bars and it is very difficult to remove; based on the above problems, the present invention proposes a solution, which can effectively solve the above problems.

[0003] The above information disclosed in the background art section is only used to enhance the understanding of the background of the present invention, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0004] The purpose of the present invention is to provide a template for a reserved steel bar surface of a precast component, which solves the problems of difficult installation and removal of traditional embedded steel bar surface templates. This system has the characteristics of easy material collection, simple construction, low manufacturing cost, and obvious economic benefits.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A template for a reserved steel bar surface of a precast component of the present invention includes:

[0007] A template main body, which is attached to the surface of the steel bars of the precast component. At least one set of steel bar arrays extending outward are provided on the surface of the steel bars. The template main body is provided with at least one receiving groove for receiving the steel bar arrays, and a plurality of first clamping openings for clamping the steel bar arrays are arranged on one side of the receiving groove;

[0008] A first sealing layer, which is sleeved on the periphery of the receiving groove;

[0009] A second sealing layer, which is sleeved on at least part of the periphery of the first clamping opening;

[0010] At least one template cover plate, which is attached to the template main body. One side of the template cover plate is pivotally connected to the template main body, and a plurality of second clamping openings are arranged on the other side. The second clamping openings are aligned with the first clamping openings and the second clamping openings and the first clamping openings cooperate with each other to clamp the steel bars;

[0011] A third sealing layer sleeved on the periphery of the second bayonet, and the third sealing layer at least cooperates with the second sealing layer to seal the steel bar.

[0012] A plurality of detachable fixing components detachably fixing the formwork cover plate to the formwork main body.

[0013] In the reserved steel bar surface formwork of the precast member, the third sealing layer, the second sealing layer and the first sealing layer enclose the steel bar to seal the steel bar.

[0014] In the reserved steel bar surface formwork of the precast member, two groups of steel bar arrays extending outward are provided on the surface of the steel bar, and two rows of second bayonets of the two formwork cover plates are respectively clamped to the two groups of steel bar arrays.

[0015] In the reserved steel bar surface formwork of the precast member, a live hinge is provided on one side of the formwork cover plate.

[0016] In the reserved steel bar surface formwork of the precast member, the formwork cover plate is provided with a backing rib.

[0017] In the reserved steel bar surface formwork of the precast member, the third sealing layer and the second sealing layer form a sealed ring.

[0018] In the reserved steel bar surface formwork of the precast member, the second sealing layer is sleeved on at least part of the periphery of the side of the first bayonet away from the door hinge.

[0019] In the reserved steel bar surface formwork of the precast member, the third sealing layer, the second sealing layer and the first sealing layer are elastic sealing members.

[0020] In the reserved steel bar surface formwork of the precast member, the detachable fixing component is installed on the side of the formwork cover plate away from the live hinge.

[0021] In the reserved steel bar surface formwork of the precast member, the detachable fixing component includes a first connecting piece fixed to the formwork main body and a second connecting piece pressing the formwork cover plate, and the second connecting piece is movably connected to the first connecting piece.

[0022] In the above technical solution, a template for the reserved steel bar surface of a precast component provided by the present invention has the following beneficial effects: When constructing the embedded steel bar part of the precast component, the template for the reserved steel bar surface of the precast component can reduce the construction difficulty; solve the problem that when there are many embedded steel bars, it is difficult and slow to pass all the steel bars through the holes on the steel formwork due to the position error of the embedded steel bars; at the same time, it also solves the problem that it is difficult to remove the formwork when the steel bars get stuck in the formwork during formwork removal; and it also solves the problem that the reserved hole position is prone to slurry leakage. The present invention has low cost, strong practicability, wide application range, and obvious economic benefits. It can not only improve work efficiency, but also avoid the dangerous behaviors of workers violently knocking the formwork, resulting in formwork deformation and using a gantry crane to drag when construction is difficult. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0024] Figure 1 FIG. 1 is a schematic three-dimensional structure diagram of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0025] Figure 2 FIG. 2 is a front view of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0026] Figure 3 FIG. 3 is a front view with hidden lines of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0027] Figure 4 FIG. 4 is a schematic structure diagram of the template main body of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0028] Figure 5 FIG. 5 is a schematic structure diagram of the template cover plate of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0029] Figure 6 FIG. 6 is a schematic structure diagram of the template main body of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0030] Figure 7 FIG. 7 is a schematic structure diagram of the template cover plate with holes of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention.

[0031] Figure 8 FIG. 8 is a schematic structure diagram of the combined template cover plate of a template for the reserved steel bar surface of a precast component provided by an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0034] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0036] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0037] In the present invention, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present invention, unless otherwise clearly stipulated and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0039] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0040] See Figure 1-8 As shown, in one embodiment, a reserved steel bar surface formwork of a precast member of the present invention includes

[0041] A formwork main body 1, which fits on the steel bar surface of the precast member. The steel bar surface has at least one set of steel bar arrays extending outward. The formwork main body 1 is provided with at least one receiving groove 1-3 for receiving the steel bar arrays, and a plurality of first bayonets for clamping the steel bar arrays are arranged on one side of the receiving groove 1-3;

[0042] A first sealing layer 1-2, which is sleeved on the periphery of the receiving groove 1-3;

[0043] A second sealing layer 1-1, which is sleeved on the periphery of at least part of the first bayonets;

[0044] At least one formwork cover plate 2, which fits on the formwork main body 1. One side of the formwork cover plate 2 is pivotally connected to the formwork main body 1, and a plurality of second bayonets are arranged on the other side. The second bayonets are aligned with the first bayonets and the second bayonets and the first bayonets cooperate with each other to clamp the steel bars;

[0045] A third sealing layer 2-1, which is sleeved on the periphery of the second bayonets. The third sealing layer 2-1 at least cooperates with the second sealing layer 1-1 to seal the steel bars;

[0046] A plurality of detachable fixing components 3-1, which detachably fix the formwork cover plate 2 to the formwork body 1.

[0047] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the third sealing layer 2-1, the second sealing layer 1-1 and the first sealing layer 1-2 enclose the steel bar to seal the steel bar.

[0048] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the surface of the steel bar has two groups of steel bar arrays extending outward, and two rows of second bayonets of the two formwork cover plates 2 are respectively clamped to the two groups of steel bar arrays.

[0049] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, a live hinge 4 is provided on one side of the formwork cover plate 2.

[0050] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the formwork cover plate 2 is provided with backing ribs.

[0051] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the third sealing layer 2-1 and the second sealing layer 1-1 form a sealed ring.

[0052] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the second sealing layer 1-1 is sleeved on at least part of the periphery of the side of the first bayonet away from the door hinge.

[0053] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the third sealing layer 2-1, the second sealing layer 1-1 and the first sealing layer 1-2 are elastic sealing members.

[0054] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the detachable fixing component 3-1 is installed on the side of the formwork cover plate 2 away from the live hinge.

[0055] In a preferred embodiment of the reserved steel bar surface formwork of a precast member, the detachable fixing component 3-1 includes a first connecting member 3-2 fixed to the formwork body 1 and a second connecting member for pressing the formwork cover plate 2, and the second connecting member is movably connected to the first connecting member 3-2. Further, the second connecting member is threadedly connected to the first connecting member 3-2.

[0056] In one embodiment, the third sealing layer 2-1 and the second sealing layer 1-1 are both partially laminated on the first sealing layer 1-2, and the third sealing layer 2-1 and the second sealing layer 1-1 form a sealing ring for wrapping the steel bar.

[0057] In one embodiment, the backing rib is provided with a handle 2-2.

[0058] In one embodiment, the precast member's reserved steel bar surface formwork includes a formwork main body 1, a formwork cover plate 2, a detachable fixing component 3-1, and a slurry leakage prevention component. The formwork main body connects all the steel bar holes to form an integral accommodating groove 1-3. A first bayonet that is slightly larger than the steel bar and slightly deeper in depth is provided beside the detachable fixing component 1-3. A first sealing layer 1-2 made of an elastic material is provided around the accommodating groove 1-3 to prevent slurry leakage. The third sealing layer 2-1 and the second sealing layer 1-1 will fill the gap between the formwork and the steel bar after being combined, and the two-piece extrusion method is used to wrap the steel bar, so that the formwork, the second sealing layer 1-1, and the first sealing layer 1-2 will not be damaged when the formwork is removed, and it is also convenient for the installation and removal of the formwork. After the formwork is installed, the first sealing layer 1-2 will fill the gap between the two formwork main bodies 1 and the formwork cover plate 2. A second sealing layer 1-1 made of an elastic slurry leakage prevention material is provided beside the first bayonet. The slurry leakage prevention component includes the first sealing layer 1-2, the second sealing layer 1-1, and the third sealing layer 2-1.

[0059] The formwork cover plate 2 is composed of two steel plates. After installing the steel bars, the edge on the side close to the steel bars can be first closed with the formwork main body, and then pressed to ensure that the formwork main body 1 and the formwork cover plate 2 are closed in a straight line state, as Figure 8 shown, it is not affected by the threads of the ribbed steel bars, and can correct and fix the position of the steel bars. The two cover plates are connected by a live hinge and are reinforced by adding back ribs respectively. A trumpet-shaped second bayonet is provided at the edge of the formwork cover plate. The depth of the second bayonet is slightly deeper than the diameter of the steel bar, and a third sealing layer 2-1 made of an elastic slurry leakage prevention material is provided beside the bayonet, which can form a relatively sealed ring with the second sealing layer 1-1 of the formwork main body.

[0060] The formwork cover plate 2 is fixed by a detachable fixing component 3-1, and the detachable fixing component 3-1 is arranged near the joint of the two pieces of the formwork cover plate 2.

[0061] Finally, it should be noted that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0062] Only some exemplary embodiments of the present invention have been described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of the claims of the present invention.

Claims

1. A template for the reserved steel bar surface of a precast component, characterized in that It includes: A template body that fits on the surface of the steel bars of a precast member. The surface of the steel bars has at least one set of steel bar arrays extending outward. The template body is provided with at least one receiving groove for receiving the steel bar arrays, and a plurality of first bayonets for clamping the steel bar arrays are arranged on one side of the receiving groove. A first sealing layer that is sleeved on the periphery of the receiving groove. A second sealing layer that is sleeved on at least part of the periphery of the first bayonet. At least one template cover plate that fits on the template body. One side of the template cover plate is pivotally connected to the template body, and a plurality of second bayonets are provided on the other side. The second bayonets are aligned with the first bayonets and the second bayonets and the first bayonets cooperate with each other to clamp the steel bars. A third sealing layer that is sleeved on the periphery of the second bayonet. The third sealing layer at least cooperates with the second sealing layer to seal the steel bars. A plurality of detachable fixing components that detachably fix the template cover plate to the template body. The second sealing layer is sleeved on at least part of the periphery of the side of the first bayonet away from the door hinge. The detachable fixing components are installed on the side of the template cover plate away from the hinge. The detachable fixing components include a first connecting piece fixed to the template body and a second connecting piece for pressing the template cover plate. The second connecting piece is movably connected to the first connecting piece.

2. The reserved steel bar surface formwork of a precast member according to claim 1, characterized in that, The third sealing layer, the second sealing layer and the first sealing layer enclose the steel bars to seal the steel bars.

3. The template for the reserved steel bar surface of a precast component according to claim 1, wherein, The surface of the steel bars has two sets of steel bar arrays extending outward. The two columns of second bayonets of the two template cover plates respectively clamp the two sets of steel bar arrays.

4. The reserved steel bar surface formwork of a precast component according to claim 1, characterized in that, One side of the template cover plate is provided with a hinge.

5. The reserved steel bar surface formwork of a precast component according to claim 1, characterized in that, The template cover plate is provided with a back rib.

6. The reserved steel bar surface formwork of a precast member according to claim 1, characterized in that, The third sealing layer and the second sealing layer form a sealed ring.

7. The reserved steel bar surface formwork of a precast component according to claim 1, characterized in that, The third sealing layer, the second sealing layer and the first sealing layer are elastic sealing members.

Citation Information

Patent Citations

  • Slurry leakage prevention device for prefabricated side pre-buried steel bars of laminated slab beam

    CN211691450U

  • Slurry leakage reducing PC component mold for fabricated building

    CN213198164U