CN101004088A - A hollow shuttering component in use for filling in concrete - Google Patents

Abstract

A cavity formwork member for concrete filling, comprising an upper plate (1), surrounding side walls (2), a lower plate (3), an upper plate (1), surrounding side walls (2), and a lower plate (3) form a closed cavity formwork, and the upper plate (1) is an independent prefabricated plate (4), which is characterized in that the closed cavity formwork is all assembled by prefabricated components, and the upper plate (1) is made with the surrounding The side wall (2) is an independent prefabricated plate (3), and the surrounding side wall (2) is at least one prefabricated plate (3). In this way, it is suitable for various cast-in-place concrete floors, roofs, walls, foundation slabs, and structures of road and bridge projects, and is especially suitable for hollow beamless floors.

Description

A cavity formwork member for concrete filling

This application is a divisional application of an invention patent application with a filing date of December 9, 2003, an application number of 200310121939.5, and a title of “A Cavity Formwork Member for Concrete Filling”.

(1) Technical field

The invention relates to a cavity formwork component for concrete filling.

(2) Background technology

At present, the cast-in-place concrete hollow floor is a widely used floor structure, and the lightweight permanent tire mold filled in it includes hollow tubes and cavity formwork components. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is that the application number applied by the applicant on November 23, 2001 is 01140106.0, the publication number is CN1356442, and the name is called "a kind of cavity structure formwork for cast-in-place reinforced concrete floor slab" patent application for invention. The formwork member disclosed by it Including "the upper plate, the surrounding side walls, and the lower bottom, the upper plate, the surrounding side walls, and the lower bottom form a polyhedral cavity formwork member. This cavity formwork member has the advantages of light weight, high strength, simple structure, and convenient construction and transportation. etc. However, this formwork component is inconvenient to manufacture, low in production efficiency, inconvenient for assembly line production, and high in cost. Therefore, it is urgently needed to develop a new type of cavity formwork component for concrete filling.

(3) Contents of the invention

The object of the present invention is to provide a cavity formwork member for concrete filling, which has the characteristics of easy manufacture, high production efficiency, good integrity and low cost.

The solution of the present invention is based on the prior art, including the upper plate, the surrounding side walls, and the lower plate, the upper plate, the surrounding side walls, and the lower plate form a closed cavity formwork, and the upper plate is an independent prefabricated plate It is characterized in that the closed cavity formwork is all assembled by prefabricated components, the upper plate is an independent prefabricated plate separated from the surrounding side walls, and the surrounding side walls are at least one prefabricated plate. In this way, since the cavity formwork is all assembled by prefabricated components, each prefabricated component can be prefabricated, therefore, the manufacture of the cavity formwork components is easy and the cost is low; at the same time, the cavity formwork components can also be made at the construction site The prefabricated components are combined, and the construction and transportation are more convenient; in addition, the cavity formwork components also have the characteristics of simple structure, deformation resistance, excellent vibration resistance, and fast construction speed, thus achieving the purpose of the present invention and being suitable for cast-in-place It can be used in reinforced concrete or prestressed reinforced concrete hollow floors, roofs, walls, foundation slabs and hollow bridges, especially for hollow beamless floors.

The invention is also characterized in that said independent prefabricated panels have reinforcements protruding from their periphery.

The present invention is also characterized in that the upper plate or/and the surrounding side walls or/and the lower plate protrude from the steel bar or reinforcement mesh.

The invention is also characterized in that said upper and/or lower plates protruding from the reinforcement bars or mesh are thicker than the surrounding side walls.

The invention is also characterized in that said upper panel, which is thicker than the surrounding side walls, protrudes with raised edges.

The present invention is also characterized in that the above-mentioned upper board is protruded to form a ring-shaped protruding edge.

The invention is also characterized in that said upper and/or lower panels are thicker than the surrounding side walls.

The present invention is also characterized in that the cavity formwork is composed of a prefabricated upper plate, four prefabricated side walls and a prefabricated lower plate.

The present invention is also characterized in that the prefabricated slabs are connected to each other by connecting pieces. In this way, the production of cavity formwork components is very convenient and simple. Because there are connectors between the prefabricated plates, they can be bundled together during transportation and storage, and will not cause incomplete cavity formwork components due to missing Condition.

The present invention is also characterized in that the mold shell is composed of a prefabricated upper plate, a prefabricated surrounding side wall, and a prefabricated lower plate, and each prefabricated plate is connected to each other by a connecting piece. In this way, the prefabricated upper plate, the prefabricated surrounding side walls and the prefabricated lower plate are interconnected by connectors to form a cavity formwork member, which has the advantages of simple production process, fast production speed and high efficiency, and can realize mechanized mass production, thereby effectively The production cost of the cavity mold shell component is reduced, making it easier to popularize and apply.

The present invention is also characterized in that the connecting piece is at least one of iron wire, metal piece, thin strip, plastic piece, mesh, hinge, ferrule, and plug. Other forms of connecting parts can also be used, such as welding parts, connecting bolts and the like. In this way, the diversification of connectors is convenient for construction units and design units to choose.

The present invention is also characterized in that the connection between the prefabricated panels is a tight connection of point or line or surface contact. In this way, the cavity formwork components joined by the above-mentioned joint surfaces have good sealing performance, and the concrete slurry is not easy to penetrate into the cavity formwork components during the application process, which will not cause the leakage of cement slurry and reduce the pouring quality of the floor slab .

The present invention is also characterized in that the connection between the prefabricated slabs is a hollow connection with filling gaps left. In this way, the prefabricated slabs adopt a hollow connection method with filling gaps, and the bonding material can be filled in the hollow parts, and the prefabricated slabs are bonded into a whole, which greatly improves the integrity of the cavity formwork components. and sealing performance.

The present invention is also characterized in that the connection between the prefabricated panels is a combination of tight connection and loose connection. In this way, the cavity formwork components are combined by the combination of prefabricated slab tight connection and hollow connection. The tight connection can position the prefabricated slabs, and the hollow parts can be filled with bonding materials for bonding. fixed.

The present invention is also characterized in that there are cements at the joints between the prefabricated slabs. In this way, the cement connection provided at the connection part between the prefabricated plates improves the overall performance and sealing performance of the cavity formwork component, and the cement makes the connection of the cavity formwork component more stable and reliable, greatly reducing its breakage rate.

The present invention is also characterized in that the prefabricated panels are at least two or at least a part of at least two of the upper panel, the surrounding side walls, and the lower panel. In this way, the cavity formwork member is formed by combining the prefabricated upper plate, the surrounding side walls and the lower plate, which has the advantages of firm and reliable connection, convenient transportation and the like.

The invention is also characterized in that said joints of the prefabricated panels have fixing or positioning structures. In this way, the joints of the prefabricated panels or cast-in-place panels are provided with fixing or positioning structures, which greatly reduces the difficulty of joint positioning and makes the joint more accurate and convenient.

The present invention is also characterized in that the surrounding side walls are composed of more than two prefabricated panels. In this way, the surrounding side walls of the cavity formwork member are made of multiple pieces, which simplifies the production process, reduces the difficulty of production, improves the standardization and speed of products, and saves production costs.

The invention is also characterized in that each face of said peripheral side wall is a prefabricated panel. In this way, each surface of the surrounding side walls of the cavity formwork member is a prefabricated plate, which is beneficial to realize mechanized mass production, and at the same time, transporting the plates can reduce the occupied transportation space and reduce the transportation cost.

The invention is also characterized in that said prefabricated panels of the surrounding side walls are joined at the corners. In this way, the prefabricated slabs of the side walls around the cavity formwork member are spliced at the corners, the positioning is accurate, the connection is convenient, simple and easy, thereby improving the quality of the cavity formwork member.

The invention is also characterized in that all said prefabricated panels are spliced at corners. In this way, all the prefabricated plates of the cavity formwork component are spliced at the corners, the positioning is accurate, the connection is convenient, simple and easy, thereby improving the quality of the cavity formwork component.

The invention is also characterized in that said at least one prefabricated panel has a convex configuration. In this way, the prefabricated slab is provided with a convex structure, so that when the cavity formwork member is applied to the cast-in-place concrete hollow floor, the convex structure can hollow out the unstressed concrete in the floor, further reducing the concrete density. The dosage reduces the self-weight of the structure and greatly improves the bearing capacity of the floor.

The present invention is also characterized in that the convex structure is at least one of ribs, ribs or bumps. In this way, the convex structure is a reinforcing rib, convex strip or bump, which greatly strengthens the overall strength of the cavity formwork member and makes it stronger in compression resistance.

The invention is also characterized in that said at least one prefabricated panel has a negative configuration. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the concrete is poured into the negative structure, correspondingly forming a cast-in-place concrete strengthening member, which greatly improves the strength of the internal stress structure of the floor.

The invention is also characterized in that said female formation is at least one of a groove, a hole or a dimple. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the grooves, holes or pits on the cavity formwork member, and the cast-in-place concrete floor is formed correspondingly. The poured ribs, stiffeners or stiffeners greatly improve the bearing capacity of the floor and make its structure stronger.

The present invention is also characterized in that said at least one prefabricated plate is provided with at least one of stiffeners, stiffeners or cables. In this way, when the formwork components are applied to the cast-in-place concrete hollow floor, the stiffeners or ribs or cables set in the formwork components can form a composite structure with the cast-in-place concrete, which optimizes the internal stress of the cast-in-place concrete hollow floor. force system.

The present invention is also characterized in that at least one of the prefabricated panels is provided with at least one of internal corners or chamfers or arc corners or missing corners. In this way, when the formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the inner corner or chamfer or arc corner or missing corner, and a local cast-in-place concrete reinforcement structure can be formed accordingly; The weight of the building itself saves the amount of concrete, reduces the cost of the floor, and improves the performance of the floor.

The present invention is also characterized in that said at least one prefabricated panel has at least one post-cast laminate layer. In this way, the post-cast lamination layer set in the cavity formwork component greatly strengthens the strength of the cavity formwork component itself, greatly enhances its impact resistance and damage resistance, and greatly reduces the damage of the formwork component rate, reducing costs.

The present invention is also characterized in that said at least one prefabricated panel is a multi-layer composite layer. In this way, the prefabricated plates set in the cavity formwork member are multi-layer composite layers, which greatly strengthens the strength of the cavity formwork member itself, greatly enhances its impact resistance and is not easy to be damaged, and greatly reduces the cost of the formwork. The breakage rate of components reduces the cost.

The present invention is also characterized in that there are reinforcements in at least one prefabricated plate, or reinforcements are exposed, and the reinforcements are steel bars, steel wires, steel meshes, steel meshes, fibers, fiber tows, fiber mesh cloth, non-woven fabrics, At least one of a thin metal strip, a thin strip with holes or a packing tape. In this way, the diversity of reinforcements facilitates the selection of nearby materials for reinforcements when manufacturing cavity formwork components, reduces material costs, and can meet different strength requirements and facilitate the selection of different designs.

The present invention is also characterized in that the joints or reinforcements are exposed at the joints of the prefabricated slabs or at the empty gaps. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, the combination of the exposed connectors or reinforcements and the cast-in-place concrete greatly improves the strength and toughness of the floor, improving its impact resistance and bearing capacity. It has been greatly improved, it is not easy to be damaged, and the comprehensive performance of the floor is improved.

The present invention is also characterized in that at least one of the prefabricated panels is provided with at least one of a junction box, a fire detector, an air duct, a wire duct, a hanging piece, a transporting piece, and an adjacent formwork connecting piece. In this way, it is beneficial to the construction of the construction unit, and it is convenient for the selection of the production unit and the design unit.

The present invention is also characterized in that the prefabricated upper slab or laminated layer prefabricated upper slab has a thickness greater or less than that of the surrounding side walls. In this way, when the cavity formwork component is applied to the cast-in-situ concrete hollow floor, the thickness of the prefabricated upper slab or the prefabricated upper slab of the laminated layer is greater than the thickness of the surrounding side walls, so that the cavity formwork component can be used in the application process. Can fully meet the construction load requirements. When the thickness of the prefabricated upper slab or the prefabricated upper slab of the laminated layer is smaller than the thickness of the surrounding side walls, the weight of the cavity formwork member can be greatly reduced, making it more portable.

The present invention is also characterized in that at least one of the upper boards protrudes from a pick-up board or a pick-up board showing reinforcements. In this way, when the cavity formwork component is applied to the cast-in-situ concrete hollow floor, the protruding pick plate can replace the construction template, which greatly reduces the cost of construction materials.

The present invention is also characterized in that the at least two formworks are connected as a whole by pick-up plates to form a group of formwork components. In this way, a plurality of formwork shells are connected into a group of formwork shell components by picking the edges, so that the construction efficiency of the cavity formwork shell components is higher and the construction cost is lower.

The present invention is also characterized in that said at least two formwork shells are connected at intervals as a whole to form a group of formwork shell components. The connection between the formwork and the formwork can be a brace rod. In this way, the construction layout of the formwork components is more convenient, and the construction efficiency and construction speed of the floor can be greatly improved.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In each accompanying drawing, 1 is an upper plate, 2 is a surrounding side wall, 3 is a lower plate, and 4 is a prefabricated plate. In the following accompanying drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the closed cavity formwork is all assembled by prefabricated components, and the prefabricated components in the figure are six pieces Prefabricated panels 4.

Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention. The upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the prefabricated plates 4 are connected with each other by connectors 5 .

Fig. 3 is a schematic structural view of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated panels 4 are connected to each other by connectors 5 .

Fig. 4 is a schematic structural view of Embodiment 4 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is a tight connection of line contact.

Fig. 5 is a schematic structural view of Embodiment 5 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is an empty connection with filling gaps left.

Fig. 6 is a schematic structural view of Embodiment 6 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is a combination of tight connection and empty connection.

Fig. 7 is a schematic structural view of Embodiment 7 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , there is a cement 6 at the connecting position between the prefabricated panels 4 .

Fig. 8 is a schematic structural view of Embodiment 8 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all Prefabricated panels 4.

Fig. 9 is a schematic structural view of Embodiment 9 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the joint of the prefabricated panels 4 has a fixed or positioning structure 7, and the fixed and positioning structure 7 shown in the figure is tenon positioning and fixing.

Figure 10 is a schematic structural view of Embodiment 10 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the surrounding side wall 2 is formed by joining two prefabricated panels 4 .

Figure 11 is a schematic structural view of Embodiment 11 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , each face of the surrounding side wall 2 is a prefabricated panel 4 .

Fig. 12 is a schematic structural view of Embodiment 12 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated panels 4 of the surrounding side walls 2 are spliced at the corners.

Figure 13 is a schematic structural view of Embodiment 13 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , all the prefabricated panels 4 described in it are spliced at the corners.

Figure 14 is a schematic structural view of Embodiment 14 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with a convex structure 8 .

Figure 15 is a schematic structural view of Embodiment 15 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with a negative structure 9 .

Figure 16 is a schematic structural view of Embodiment 16 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with stiffeners 11 .

Figure 17 is a schematic structural view of Embodiment 17 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with stiffeners 10 and cables 12 at the same time.

Figure 18 is a schematic structural view of Embodiment 18 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated plate 4 is also provided with inside corners 13 , chamfers 14 , arc corners 15 and missing corners 16 .

Figure 19 is a schematic structural view of Embodiment 19 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , there is one layer of post-cast lamination layer 17 on the prefabricated sheet 4 .

Figure 20 is a schematic structural view of Embodiment 20 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated sheet 4 is a multi-layer composite layer.

Figure 21 is a schematic structural view of Embodiment 21 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with a reinforcement 18, and the reinforcement 18 is exposed at the same time, and the reinforcement 18 in the figure is a steel mesh.

Figure 22 is a schematic structural view of Embodiment 22 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connecting piece 5 is exposed at the empty gap of the prefabricated slab 4 .

Figure 23 is a schematic structural view of Embodiment 23 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the block prefabricated plate 4 is also provided with a junction box 19, a fire detector 20, a line pipe 22, a hanger 23 and a transporter 24 at the same time.

Figure 24 is a schematic structural view of Embodiment 24 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with an air duct 21 and an adjacent formwork connector 25 at the same time.

Figure 25 is a schematic structural view of Embodiment 25 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 The thickness of the laminated layer prefabricated upper plate 1 is greater than that of the surrounding side walls 2 .

Figure 26 is a schematic structural view of Embodiment 26 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , its described upper plate 1 protrudes outwards and has pick-up plate 26.

Figure 27 is a schematic structural view of Embodiment 27 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the plurality of formworks described in it are connected as a whole by pick-up plates 26 to form a group of formwork members.

Figure 28 is a schematic structural view of Embodiment 28 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 The plurality of formworks described above are connected at intervals as a whole to form a group of formwork components, and the connecting piece 25 between the formworks is a brace rod.

(5) Specific implementation methods

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in the accompanying drawings, the present invention includes an upper plate 1, surrounding side walls 2, and a lower plate 3, and the upper plate 1, surrounding side walls 2, and lower plate 3 form a closed cavity mold shell, and the upper plate 1 is an independent prefabricated The plate 4 is characterized in that the closed cavity formwork is all assembled by prefabricated components, the upper plate 1 is an independent prefabricated plate 3 separated from the surrounding side wall 2, and the surrounding side wall 2 is at least one prefabricated plate slice 3. In each accompanying drawing, 1 is an upper plate, 2 is a surrounding side wall, 3 is a lower plate, and 4 is a prefabricated plate. In the following accompanying drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the closed cavity formwork is all assembled by prefabricated components, and the prefabricated components in the figure are six pieces Prefabricated panels 4. As shown in FIG. 21 , the upper plate 1 is an independent prefabricated panel 3 separated from the surrounding side walls 2 , and the surrounding side walls 2 are prefabricated panels 3 .

The present invention is also characterized in that said independent prefabricated panels 4 have reinforcements 18 protruding from their periphery. As shown in FIG. 21 , reinforcements 18 protrude from the periphery of the independent prefabricated panels 4 .

The present invention is also characterized in that the upper plate 1 or/and the surrounding side walls 2 or/and the lower plate 3 protrude from steel bars or reinforcement mesh. As shown in FIG. 21 , the upper plate 1 protrudes from the reinforcing bars.

The present invention is also characterized in that said upper plate 1 and/or lower plate 3 which are thicker than the surrounding side walls 2 protrude from steel bars or mesh. As shown in Fig. 21 and Fig. 25, the upper plate 1 thicker than the surrounding side walls 2 stretches out the steel bars.

The invention is also characterized in that said upper panel 1 , which is thicker than the surrounding side walls 2 , protrudes with raised edges. As shown in Figure 26, the upper plate 1, which is thicker than the surrounding side walls 2, protrudes with raised edges.

The present invention is also characterized in that the above-mentioned upper board 1 is protruded to form a ring-shaped protruding edge. As shown in FIG. 26 , the upper plate 1 is picked out to form a ring-shaped raised edge.

The present invention is also characterized in that said upper plate 1 and/or lower plate 3 are thicker than the surrounding side walls 2 . As shown in FIG. 25 , the upper plate 1 and the lower plate 3 are thicker than the surrounding side walls 2 .

The present invention is also characterized in that the cavity formwork is composed of a prefabricated upper plate, four prefabricated side walls and a prefabricated lower plate. As shown in Figure 1, the cavity formwork is composed of a prefabricated upper plate, four prefabricated side walls, and a prefabricated lower plate.

The present invention is also characterized in that the prefabricated slabs 4 are connected to each other by connecting pieces 5 . Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention. The upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the prefabricated plates 4 are connected with each other by connectors 5 .

The present invention is also characterized in that the formwork is composed of a prefabricated upper plate 1 , a prefabricated surrounding side wall 2 , and a prefabricated lower plate 3 , and each prefabricated plate 4 is connected to each other by a connecting piece 5 . Fig. 3 is a schematic structural view of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated panels 4 are connected to each other by connectors 5 .

The present invention is also characterized in that the connecting member 5 is at least one of iron wires, metal parts, thin strips, plastic parts, nets, hinges, ferrules, and bolts. As shown in Figure 3, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, the upper plate 1, the surrounding side walls 2 and the lower plate 3 are all prefabricated plates 4, and the cavity formwork consists of The above-mentioned prefabricated plates are assembled, and each prefabricated plate 4 is connected to each other by a connecting piece 5, and the connecting piece 5 is twisted with iron wires.

The present invention is also characterized in that the connection between the prefabricated slabs 4 is a tight connection of point or line or surface contact. Fig. 4 is a schematic structural view of Embodiment 4 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is a tight connection of line contact.

The present invention is also characterized in that the connection between the prefabricated slabs 4 is a hollow connection with filling gaps left. Fig. 5 is a schematic structural view of Embodiment 5 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is an empty connection with filling gaps left.

The present invention is also characterized in that the connection between the prefabricated panels 4 is a combination of tight connection and loose connection. Fig. 6 is a schematic structural view of Embodiment 6 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connection between the prefabricated panels 4 is a combination of tight connection and empty connection.

The present invention is also characterized in that there are cements 6 at the joints between the prefabricated slabs 4 . Fig. 7 is a schematic structural view of Embodiment 7 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , there is a cement 6 at the connecting position between the prefabricated panels 4 .

The present invention is also characterized in that the prefabricated panel 4 is at least two or at least a part of at least two of the upper panel 1 , the surrounding side wall 2 and the lower panel 3 . Fig. 8 is a schematic structural view of Embodiment 8 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all Prefabricated panels 4.

The present invention is also characterized in that said prefabricated slabs 4 have fixing or positioning structures 7 at the junctions. Fig. 9 is a schematic structural view of Embodiment 9 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the joint of the prefabricated panels 4 has a fixed or positioning structure 7, and the fixed and positioning structure 7 shown in the figure is tenon positioning and fixing.

The present invention is also characterized in that the surrounding side wall 2 is composed of more than two prefabricated panels 4 . Figure 10 is a schematic structural view of Embodiment 10 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the surrounding side wall 2 is formed by joining two prefabricated panels 4 .

The present invention is also characterized in that each face of said peripheral side wall 2 is a prefabricated panel 4 . Figure 11 is a schematic structural view of Embodiment 11 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , each face of the surrounding side wall 2 is a prefabricated panel 4 .

The invention is also characterized in that the prefabricated panels 4 of said surrounding side walls 2 are spliced at the corners. Fig. 12 is a schematic structural view of Embodiment 12 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated panels 4 of the surrounding side walls 2 are spliced at the corners.

The present invention is also characterized in that all the prefabricated panels 4 are spliced at the corners. Figure 13 is a schematic structural view of Embodiment 13 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , all the prefabricated panels 4 described in it are spliced at the corners.

The invention is also characterized in that said at least one prefabricated panel 4 has a convex structure 8 . Figure 14 is a schematic structural view of Embodiment 14 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with a convex structure 8 .

The present invention is also characterized in that the convex structure 8 is at least one of ribs, ribs or bumps. As shown in Figure 14, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated panels 4, and the upper plate 4 A convex structure 8 is provided, and the convex structure 8 is a convex line.

The present invention is also characterized in that said at least one prefabricated slab 4 has a negative configuration 9 . Figure 15 is a schematic structural view of Embodiment 15 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with a negative structure 9 .

The present invention is also characterized in that said female structure 9 is at least one of grooves, holes or pits. As shown in Figure 15, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated panels 4, and the upper plate 4 A negative structure 9 is provided, and said negative structure 9 is a pit.

The present invention is also characterized in that at least one of the at least one prefabricated plate 4 is provided with at least one of stiffeners 10 , stiffeners 11 or cables 12 . Figure 16 is a schematic structural view of Embodiment 16 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is provided with stiffeners 11 . Figure 17 is a schematic structural view of Embodiment 17 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with stiffeners 10 and cables 12 at the same time.

The present invention is also characterized in that at least one of the prefabricated panels 4 is provided with at least one of an internal corner 13 or a chamfer 14 or an arc corner 15 or a missing corner 16 . Figure 18 is a schematic structural view of Embodiment 18 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated plate 4 is also provided with inside corners 13 , chamfers 14 , arc corners 15 and missing corners 16 .

The present invention is also characterized in that there is at least one post-cast lamination layer 17 on said at least one prefabricated panel 4 . Figure 19 is a schematic structural view of Embodiment 19 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , there is one layer of post-cast lamination layer 17 on the prefabricated sheet 4 .

The present invention is also characterized in that said at least one prefabricated panel 4 is a multi-layer composite layer. Figure 20 is a schematic structural view of Embodiment 20 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated sheet 4 is a multi-layer composite layer.

The present invention is also characterized in that there is reinforcement 18 in at least one prefabricated plate 4, or reinforcement 18 is exposed, and reinforcement 18 is steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, At least one of non-woven fabrics, metal thin strips, perforated thin strips or packaging tapes. Figure 21 is a schematic structural view of Embodiment 21 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with a reinforcement 18, and the reinforcement 18 is exposed at the same time, and the reinforcement 18 in the figure is a steel mesh.

The present invention is also characterized in that the connection parts 4 or reinforcements 18 are exposed at the joints of the prefabricated slabs 4 or at the empty gaps. Figure 22 is a schematic structural view of Embodiment 22 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the connecting piece 5 is exposed at the empty gap of the prefabricated slab 4 .

The present invention is also characterized in that at least one prefabricated panel 4 is provided with a junction box 19, a fire detector 20, an air duct 21, a line pipe 22, a hanging piece 23, a carrying piece 24, and an adjacent formwork connecting piece 25. at least one of the Figure 23 is a schematic structural view of Embodiment 23 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the block prefabricated plate 4 is also provided with a junction box 19, a fire detector 20, a line pipe 22, a hanger 23 and a transporter 24 at the same time. Figure 24 is a schematic structural view of Embodiment 24 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the prefabricated slab 4 is also provided with an air duct 21 and an adjacent formwork connector 25 at the same time.

The present invention is also characterized in that the thickness of the prefabricated upper panel 1 or the prefabricated upper panel 1 of laminated layers is greater or smaller than that of the surrounding side walls 2 . Figure 25 is a schematic structural view of Embodiment 25 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 The thickness of the laminated layer prefabricated upper plate 1 is greater than that of the surrounding side walls 2 .

The present invention is also characterized in that at least one of the upper boards 1 protrudes from a pick-up plate 26 or a pick-up plate 26 with reinforcements 18 exposed. Figure 26 is a schematic structural view of Embodiment 26 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , its described upper plate 1 protrudes outwards to have pick plate 26.

The present invention is also characterized in that said at least two formworks are connected as a whole by pick-up plates 26 to form a group of formwork components. Figure 27 is a schematic structural view of Embodiment 27 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 , the plurality of formworks described in it are connected as a whole by pick-up plates 26 to form a group of formwork components.

The present invention is also characterized in that said at least two formwork shells are connected at intervals as a whole to form a group of formwork shell components. Figure 28 is a schematic structural view of Embodiment 28 of the present invention, the upper plate 1, the surrounding side walls 2, and the lower plate 3 form a closed cavity formwork, and the upper plate 1, the surrounding side walls 2, and the lower plate 3 are all prefabricated plates 4 The plurality of formworks described above are connected at intervals as a whole to form a group of formwork components, and the connecting piece 25 between the formworks is a brace rod.

During the implementation of the present invention, the upper plate 1, the surrounding side wall 2 and the lower plate 3 of the cavity formwork member are made respectively according to the type and specification, and after being maintained to the specified age, the mold is removed to obtain the formwork member. Prefabricate the panels 4, and then assemble the prefabricated panels 4 into one body to obtain the cavity formwork member.

Claims (10)

1. A cavity formwork member for concrete filling, comprising an upper plate (1), surrounding side walls (2), lower plate (3), upper plate (1), surrounding side walls (2), lower plate (3 ) to form a closed cavity formwork, and the upper plate (1) is an independent prefabricated plate (4), which is characterized in that the closed cavity formwork is all assembled by prefabricated components, and the upper plate (1) is An independent prefabricated panel (3) separated from the surrounding side wall (2), and the surrounding side wall (2) is at least one prefabricated panel (3). 2. A cavity formwork member for concrete filling according to claim 1, characterized in that reinforcements (18) protrude from the periphery of the independent prefabricated slab (4). 3. A cavity formwork member for concrete filling according to claim 1, characterized in that said upper plate (1) or/and surrounding side walls (2) or/and lower plate (3) protrude Steel bars or mesh. 4. A cavity formwork member for concrete filling according to claim 1, characterized in that the upper plate (1) and/or lower plate (3) thicker than the surrounding side walls (2) protrude from the steel bar or steel bar net. 5. A cavity formwork member for concrete filling according to claim 1, characterized in that the upper plate (1) which is thicker than the surrounding side walls (2) protrudes with raised edges. 6. A cavity formwork member for concrete filling according to claim 1, characterized in that the upper plate (1) is protruded to form a ring-shaped protruding edge. 7. A cavity formwork member for concrete filling according to claim 1, characterized in that the thickness of the upper plate (1) and/or the lower plate (3) is thicker than the surrounding side walls (2). 8. A cavity formwork member for concrete filling according to claim 1, characterized in that the cavity formwork is composed of a prefabricated upper plate, four prefabricated side walls, and a prefabricated lower plate; or The shell is composed of a prefabricated upper plate (1), a prefabricated surrounding side wall (2), and a prefabricated lower plate (3), and each prefabricated plate (4) is connected to each other by a connecting piece (5); or the connecting piece (5) is At least one of iron wires, metal parts, thin strips, plastic parts, nets, hinges, ferrules, and bolts; or a tight connection between prefabricated plates (4) in point or line or surface contact; Or the connection between the prefabricated plates (4) is an empty connection with filling gaps; or the connection between the prefabricated plates (4) is a combination of tight connection and empty connection; or the connection between the prefabricated plates (4) There is a cement (6) at the connection site; or the prefabricated plate (4) is at least two or at least a part of at least two of the upper plate (1), the surrounding side walls (2) and the lower plate (3). 9. A cavity formwork member for concrete filling according to claim 1, characterized in that the joint parts of the prefabricated slabs (4) have fixed or positioning structures (7); or the surrounding side walls (2 ) is composed of two or more prefabricated panels (4); or each surface of the surrounding side wall (2) is a prefabricated panel (4); or the prefabricated panels (4) of the surrounding side wall (2) are at the corner or all the prefabricated panels (4) are spliced at the corners; or at least one prefabricated panel (4) has a convex structure (8); or the convex structure (8) is a reinforcing rib, convex strip or convex At least one of the blocks; or at least one prefabricated slab (4) has a negative formation (9); or the negative formation (9) is at least one of a groove, a hole or a pit; or at least one prefabricated slab (4) is provided with at least one of stiffeners (10), stiffeners (11) or cables (12). 10. A cavity formwork member for concrete filling according to claim 1, characterized in that said at least one prefabricated slab (4) is provided with internal corners (13) or chamfers (14) or arcs At least one of the corners (15) or missing corners (16); or at least one precast laminate (17) on at least one prefabricated panel (4); or at least one prefabricated panel (4) is more or a reinforcement (18) in at least one prefabricated plate (4), or a reinforcement (18) is exposed, and the reinforcement (18) is steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber wire At least one of bundles, fiber mesh cloth, non-woven fabrics, thin metal strips, thin strips with holes or packing tape; or there are connectors (5) at the joints of the prefabricated panels (4) or at the empty gaps Exposure or reinforcement (18) is exposed; or at least one prefabricated plate (4) is provided with a junction box (19), a fire detector (20), an air duct (21), a line pipe (22), a hanging piece (23 ), handling parts (24), at least one of the adjacent formwork connectors (25); or the thickness of the prefabricated upper plate (1) or laminated layer prefabricated upper plate (1) is greater or less than the surrounding side wall (2) or at least one upper plate (1) protrudes from the pick plate (26) with a pick plate (26) or exposed reinforcement (18); or at least two formworks are connected as a whole by the pick plate (26) , forming a group of formwork members; or at least two formwork members are connected at intervals to form a group of formwork members.

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