CN207295490U - A kind of easily assembled concrete blinding - Google Patents

Abstract

The utility model discloses an easy-to-assemble concrete formwork, which comprises a panel, a structural beam and a back corrugation, a plurality of the back corrugations are arranged parallel to each other, a plurality of structural beams are vertically fixed on the back corrugations, the back corrugations and the back corrugations are vertically fixed. The structural beam is connected through a detachable first connecting piece, the panel is covered on the structural beam, and the structural beam is connected with the panel through a second connecting piece. The easy-to-assemble concrete formwork provided by the utility model is composed of panels, structural beams and back corrugations, and the connection between the above-mentioned basic structural units is completed through detachable connectors. The easy-to-assemble concrete formwork structure has excellent structural stability and assembly flexibility .

Description

An easy-to-assemble concrete formwork

technical field

The utility model relates to the field of building materials, in particular to an easy-to-assemble concrete template.

Background technique

In construction projects, especially the concrete construction of large-scale bridge tower structures, a large number of concrete formworks are usually used. These concrete formworks are made by traditional techniques, and basically use all-wood formwork or all-steel formwork for construction. Usually, wooden formwork is preferred, assembled into frames of various shapes such as tower body, support column, beam, etc., and then poured into concrete, and then removed after the concrete is cured and formed. Wooden formwork has the advantages of easy splicing, low cost, and formwork The structure is light and easy to disassemble and install, and many other features.

However, the formwork is not only a simple piece of wood, but usually consists of panels and supporting structural parts, and the formwork needs to be reasonably assembled or spliced according to different usage occasions. In the field of bridge construction, the pylons of bridges are often relatively large, and the entire formwork system is also relatively large, requiring many unitized formwork splicing into the overall concrete formwork system. In addition, with the increasing number of bridge towers with special-shaped structures, it is also necessary to provide new templates that are easy to assemble and splice, so as to improve construction efficiency and reduce equipment costs. These factors make the relevant engineers put forward higher requirements on the mechanical properties of the formwork and the convenience of splicing, which cannot be met only by relying on traditional wood formwork.

Utility model content

Based on this, in order to solve the above-mentioned problems, the utility model provides an easy-to-assemble concrete formwork and an assembly method of the easy-to-assemble concrete formwork.

An easy-to-assemble concrete formwork, including panels, structural beams and back corrugations, several back corrugations are arranged parallel to each other, several structural beams are vertically fixed on the back corrugations, and the back corrugations and the structural beams can be passed through The disassembled first connecting piece is connected, the panel is covered on the structural beam, and the structural beam is connected to the panel through the second connecting piece.

In one embodiment, at least two hooks are provided on one end surface of the easy-to-assemble concrete formwork, and the hooks are connected to the ends of any two structural beams and protrude from the edge of the panel.

Further, the hook includes a connecting plate and a U-shaped steel, both ends of the U-shaped steel are connected to the connecting plate, and the connecting plate is connected to the structural beam.

In one of the embodiments, an end wooden square is provided at the end of the structural beam provided with the hook, and the end wooden square covers the end surface of the structural beam, and the end wooden square There is a hook slot for the hook to pass through to protrude from the edge of the panel.

In one of the embodiments, each of the back flutes includes two channel steels, and the two channel steels are arranged opposite to each other with their groove backs separated by a predetermined distance, and several through holes are uniformly arranged on the groove backs of the channel steels .

In one of the embodiments, the structural beam is made of an I-beam, and the wing plate of the I-beam is connected to the back flute through the first connecting piece.

Further, the first connector is a connecting claw, and the connecting claw includes a claw piece and a claw seat, and the claw seat includes a base and a connecting column fixed on the top of the base, and one end of the connecting column is provided with a threaded structure and A nut matching the thread structure, the base is made of a bent plate, and both ends have skirts facing the middle of the base, the base is hooked on the back flute through the skirt, and the claws are An L-shaped bent piece comprising a horizontal folded plate and a vertical folded plate, the horizontal folded plate is provided with a round hole matching the connecting column, and the vertical folded plate is against one side of the base , the transverse folded plate is pressed against the wing plate of the I-beam.

In one of the embodiments, the second connecting piece is a threaded connecting piece.

Further, the threaded connection adopts screws; at least two through holes are uniformly arranged on the panel at the connection with each of the structural beams, and the panels are connected to the through holes through the screws. Structural beam connections.

In one of the embodiments, the panel is spliced by several wooden boards, the side edges of the several wooden boards are against each other, and the two ends of the several wooden boards are aligned with each other.

The easy-to-assemble concrete formwork provided by the utility model is composed of panels, structural beams and back corrugations, and the connection between the above-mentioned basic structural units is completed through detachable connectors. The easy-to-assemble concrete formwork has excellent structural stability and assembly flexibility.

Description of drawings

Fig. 1 is the structural representation of easy-to-assemble concrete formwork in an embodiment of the utility model;

Figure 2 is a schematic diagram of the assembly of back corrugated and structural beams in an embodiment of the utility model;

Fig. 3 is a schematic diagram of the template skeleton structure and a schematic diagram of the hook structure in an embodiment of the utility model;

Fig. 4 is a schematic diagram of the structure of an easy-to-assemble concrete formwork with end wooden squares in an embodiment of the utility model;

Fig. 5 is a schematic diagram of the claw seat structure of the connecting claw in an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of the claw piece of the connecting claw in an embodiment of the present invention;

Fig. 7 is a flow chart of the method for assembling the easy-to-assemble concrete formwork in an embodiment of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and exemplary embodiments, wherein the same reference numerals in the accompanying drawings all refer to the same components. Also, if a detailed description of known technologies is unnecessary to illustrate the features of the present invention, it will be omitted.

As shown in Figures 1 and 2, the easy-to-assemble concrete formwork of the present invention at least includes a back corrugated 100, a structural beam 200, and a panel 300. 100 are arranged parallel to each other to form an array of back flutes 100, and then several structural beams 200 are vertically fixed on the array of back flutes 100, and the back flutes 100 and structural beams 200 are connected by detachable first connectors to form a formwork skeleton, and then the panel 300 is covered on the structural beam 200, and the structural beam 200 is connected to the panel 300 through the second connecting piece. Because this kind of easy-to-assemble concrete formwork is the basic unit of splicing bridge construction formwork system, and the shape of bridge construction formwork system is irregular, so the assembled easy-to-assemble concrete formwork can be cut according to actual needs, or the formwork skeleton and panel 300 The shape is adaptively adjusted, such as using structural beams 200 or back corrugations 100 of different lengths to form the formwork skeleton required by the design size and shape. The easy-to-assemble concrete formwork provided by the utility model is composed of a panel 300, a structural beam 200 and a corrugated back 100. The panel 300 can be made of wooden boards, thin steel plates, aluminum plates, etc., and the structural beam 200 can be made of wooden beams, steel material beams, etc. The source of raw materials is wide, and the cost can be relatively low. These parts are connected by detachable connectors, so that the formwork has excellent structural stability and assembly flexibility.

In order to facilitate the connection between the easy-to-assemble concrete formwork or the connection between the easy-to-assemble concrete formwork and other structural parts, and increase the degree of cooperation between the easy-to-assemble concrete formwork and related accessories, there are at least two A hook 500 is connected to the ends of any two structural beams 200 and protrudes from the edge of the panel 300. The hook 500 is arranged on the structural beam 200, so that the hook 500 is integrated with the easy-to-assemble concrete formwork, and the structure is more firm. As a preferred solution, as shown in FIG. 3 , the hook 500 includes a connecting plate 510 and a U-shaped steel 520 , wherein both ends of the U-shaped steel 520 are connected to the connecting plate 510 , and the connecting plate 510 is connected to the structural beam 200 . The U-shaped steel 520 can be made by bending a steel bar, and the bent U-shaped steel 520 is welded on a steel plate, and the steel plate is connected to the structural beam 200 by riveting or screwing. The suspension hook 500 of this structure is not only firm in structure, but also easy to produce and easy to install.

As a preferred solution, as shown in FIG. 4 , an end wooden square 600 is provided at the end of the structural beam 200 provided with the hook 500, and the end wooden square 600 covers the end face of the structural beam 200, and the end wooden square 600 The square 600 is provided with a hook 500 slot through which the hook 500 protrudes from the edge of the panel 300 . If the panel 300 exceeds the length dimension of the structural beam 200, it is necessary to temporarily add an end wood square 600 according to the required size. The end wood square 600 can increase the overall rigidity of the top of the easy-to-assemble concrete formwork and prevent the concrete from polluting the back of the formwork. More importantly, it can also prevent displacement between the structural beam 200 and the panel 300 during lifting.

The easy-to-assemble concrete formwork provided by the utility model can use existing common structural materials. Each back flute 100 is composed of two channel steels. The channel back of the channel steel is evenly provided with several through holes, which can not only reduce the weight of the back corrugated 100, but also provide more flexible connection points. Spacers, such as bolts, can be arranged between oppositely arranged channel steels, the diameter of the bolt body is larger than the diameter of the through hole, and the diameters of the two ends of the bolt are smaller than or equal to the diameter of the through hole. The back corrugated 100 of this structure is light in weight, but has good mechanical properties and high reliability, and the shape can be fine-tuned, so it can adapt to occasions that require beveled formwork. The structural beam 200 is made of an I-beam, and the wing plate of the I-beam is connected to the back flute 100 through a first connecting piece. The first connecting member adopts connecting claws 400 , as shown in FIGS. 5 and 6 , one of the connecting claws 400 includes a claw seat 410 and a claw piece 420 . The claw seat 410 includes a base 411 and a connecting column 412 fixed on the top of the base. One end of the connecting column 411 is provided with a threaded structure and a nut matching the threaded structure. The base 411 can be made by bending a small strip of steel plate. A small plane is reserved in the middle of the bar-shaped steel plate, and it is bent from the middle to both sides to form a hypotenuse plate 411', and both ends have a skirt plate 411" facing the middle of the base 411, and the skirt plate 411" and the hypotenuse plate 411' And the top surface of the base 411 forms a semi-enclosed space, and the base 411 is hung on the back flute 100 through the skirt board 411 ″, or the base 411 is clamped on the back flute 100 through the skirt boards 411 ″ on both sides. The claw piece 420 is an L-shaped bent piece including a transverse folded plate 421 and a vertical folded plate 422. The transverse folded plate 421 is provided with a round hole 423 matching the connecting post 411 for passing through the round hole 423 and the connecting post 411. However, the vertical folded plate 422 is pressed against one side of the base 411, and the transverse folded plate 421 is pressed against the wing plate of the I-beam. Plate 421'. Further preferably, the two edges of the vertical flap 422 gradually narrow toward the middle from top to bottom, so that the width of the lower edge of the vertical flap is smaller than the gap between the two channel steels in the back flute, so that the claw piece 420 can go up and down. The adjustment range is larger, and it can adapt to I-beams with different thickness flanges. When the base 411 is hooked or clamped on the back flute 100, and the transverse folded plate 421 is pressed against the wing plate of the I-beam, the nuts on the connecting column 411 are tightened, and the back flute 100 and the structural beam can be realized. 200 connection, when it is necessary to disassemble the formwork skeleton formed by the back flute 100 and the structural beam 200, just loosen the nuts, so the installation and disassembly of the easy-to-assemble concrete formwork are very convenient.

As a preferred solution, the second connecting piece adopts a threaded connecting piece. Threaded connections that can be used are self-tapping screws, floor nails, etc. Preferably, screws are used for the threaded connection, and at least two through holes are uniformly provided on the panel 300 at the joint with each structural beam 200 , and the panel 300 is connected to the structural beam 200 through the through holes by screws.

When an easy-to-assemble concrete formwork has a large size, one plank cannot meet the requirements of a whole panel, so the panel 300 is formed by splicing several planks, and the side edges of these planks are against each other, and the spliced planks are formed together. The edges at both ends are aligned with each other, and of course, the edges can also be arranged and aligned according to actual needs.

The utility model also correspondingly provides a method for assembling an easy-to-assemble concrete formwork, as shown in Figure 7, to prepare the above-mentioned easy-to-assemble concrete formwork, and the preparation method includes the following steps:

S100: Align several back flutes 100 in parallel, and arrange them in parallel with each other at a first distance to form an array of back flutes 100.

S200: vertically arrange several structural beams 200 spaced apart from each other by a second distance on the array of back flutes 100 to form an array of structural beams 200, and the end faces of one end of the structural beams 200 protrude from the outermost back flute 100 of the array of back flutes 100 for a predetermined distance, and The outermost structural beams 200 of the array of structural beams 200 are aligned with both ends of the back flute 100, and the array of back flutes 100 and the array of structural beams 200 are connected through the first connecting piece. The purpose of this step is to well assemble the formwork skeleton formed by the back flute 100 and the structural beams 200, so that the formwork skeleton structure is complete and symmetrical as much as possible, and at the same time provide space for setting other connectors.

S300: Cover the panel 300 on the array of structural beams 200, the edges of the panel 300 are aligned with the edges of the array of structural beams 200, and connect the structural beams 200 to the panel 300 through the second connecting piece. The purpose of this step is to make the panel 300 completely cover the template skeleton, and try to place the template skeleton at the center of the panel 300 .

As a preferred solution, the specific steps of connecting the array of back flutes 100 and the array of structural beams 200 through the first connecting piece include: setting the first connecting piece on the same side of the structural beam 200 where each back flute 100 intersects with the structural beam 200 . Arranging the connecting parts at the same side position can facilitate the operation. Since there are more first connecting parts to be used, setting them at the same side position can not only make the connection firm, but also realize the connection operation to be performed more quickly. In addition, as a preferred solution, in order to make the beam structure of the whole formwork more uniform in force, so as to further improve the structural stability of the formwork, the first connecting piece can be fixed on the inside of the formwork skeleton, while the rest of the structural beams in the formwork skeleton The first connectors on each structural beam are staggered in the length direction of each structural beam. For example, the first first connector of the structural beam near the edge in the formwork frame is set on the left side of the structural beam, along the length direction of the structural beam. The second first connecting piece arranged in sequence is arranged on the right side of the structural beam, and so on, alternately arranged up to a predetermined number.

As a preferred solution, at least two hooks 500 are provided on one side of the concrete wood formwork, and detachable connectors are provided on both sides of the structural beam 200 connected with the hooks 500 . Since the structural beam 200 is equipped with a hook 500, it is a component with a large force in the easy-to-assemble concrete formwork, and additional reinforcement is required to ensure stability. Therefore, it is adopted to arrange connectors on both sides of the structure.

As a preferred solution, the step of covering the panel 300 on the array of structural beams 200 specifically includes:

S310: laying the panel 300 on the array of structural beams 200, aligning the edge of the panel 300 with the edge of the array of structural beams 200.

S320: Open a through hole at the joint between the panel 300 and the structural beam 200, and chamfer the edge of the through hole. Chamfering the through holes can facilitate the positioning and installation of screws.

S330: Drive screws into the through holes to realize the connection between the panel 300 and the structural beam 200 .

Preferably, after the connection between the panel 300 and the structural beam 200 is realized, putty is used to fill the through holes where the screws are driven in, so that the panel 300 is smooth and flat.

Although some exemplary embodiments of the present invention have been shown above, those skilled in the art will appreciate that changes can be made to these exemplary embodiments without departing from the principle or spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. an easy-to-assemble concrete formwork, is characterized in that, comprises panel, structural beam and back corrugated, and the described back corrugated of some roots is arranged parallel to each other, and several structural beams are vertically fixed on described back corrugated, and described back corrugated and The structural beam is connected through a detachable first connecting piece, the panel is covered on the structural beam, and the structural beam is connected with the panel through a second connecting piece. 2. The easy-to-assemble concrete formwork according to claim 1, characterized in that at least two hooks are arranged on one end face of the easy-to-assemble concrete formwork, and the suspension hooks are connected to any two of the structural beams ends and protrude beyond the edge of the panel. 3. The easy-to-assemble concrete formwork according to claim 2, wherein the hook comprises a connecting plate and a U-shaped steel, the two ends of the U-shaped steel are connected to the connecting plate, and the connecting plate is connected to the on the structural beam. 4. The easy-to-assemble concrete formwork according to claim 2 or 3, characterized in that, one end of the structural beam provided with the hook is provided with an end wooden square, and the end wooden square covers the On the end face of the structural beam, and on the end timber, there is a hook slot through which the hook penetrates to protrude from the edge of the panel. 5. The easy-to-assemble concrete formwork according to claim 1, characterized in that, each said back flute comprises two channel steels, and said two channel steels are relatively arranged at a predetermined distance apart from their groove backs, and said grooves A number of through holes are uniformly arranged on the steel groove back. 6. The easy-to-assemble concrete formwork according to claim 1 or 5, wherein the structural beam is made of an I-beam, and the wing plate of the I-beam is connected to the back flute through the first connecting piece superior. 7. The easy-to-assemble concrete formwork according to claim 6, wherein the first connector is a connecting claw, the connecting claw includes a claw piece and a claw seat, and the claw seat includes a base and is fixed on the top of the base A connecting column, one end of the connecting column is provided with a threaded structure and a nut matching the threaded structure, the base is made of a bent plate, and both ends have skirts facing the middle of the base, and the base passes through the skirt The board is hung on the back flute, the claw piece is an L-shaped bent piece including a transverse folded plate and a vertical folded plate, and a round hole matching the connecting column is provided on the transverse folded plate, The vertical folded plate is pressed against one side of the base, and the transverse folded plate is pressed against the wing plate of the I-beam. 8. The easy-to-assemble concrete formwork according to claim 1, wherein the second connecting piece is a threaded connecting piece. 9. The easy-to-assemble concrete formwork according to claim 8, wherein the threaded connectors use screws; at least two through holes are evenly provided on the panel at the connection with each of the structural beams, The panels are connected to the structural beams by screws passing through the through holes. 10. The easy-to-assemble concrete formwork according to claim 1 or 9, wherein the panel is spliced by several wooden boards, the side edges of the several wooden boards lean against each other, and the two sides of the several wooden boards The end edges are aligned with each other.