CN1594786A - A cavity formwork member - Google Patents

Abstract

A hollow shuttering member comprises an upper board (1), peripheral side panels (2), and a lower bottom (3), the upper board (1), the peripheral side panels (2), and the lower bottom (3) enclose a polyhedral hollow shuttering member, characterized in that at least one transverse corner of the lower part of the hollow shuttering member is an internal corner (4), at least one stiffening rod (5) is arranged in the hollow shuttering member. Thus, after the evacuated shuttering member is used for cast-in-situ building cover, the cast-in-situ rib between the evacuated shuttering member is inverse T shape, thus the mechanics capacity of the building is greatly improved, meanwhile, because of the stiffening bar arranged in the evacuated shuttering member, the evacuated shuttering member has high intensity, large rigidity, no easy to break the evacuated shuttering member, and can participate in the stress and transmission of the building, suitable for cast-in-situ reinforced concrete or prestressed reinforced concrete building, building cover, wall, foundation bedplate and open web bridge.

Description

A cavity formwork member

(1) Technical field

The present invention relates to a cavity formwork member.

(2) Background technology

At present, the cast-in-place concrete hollow floor is a widely used floor structure. The lightweight permanent tire molds filled in it include various hollow tubes and boxes, and the boxes are hollow or solid. 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 the patent No. ZL00203695.9 applied by Liang Jun, Shijiazhuang City, Hebei Province on February 23, 2000, and the name is called "combined concrete hidden rib floor cover plate" utility model patent, which discloses a formwork member in its specification sheet. It can be solid or hollow, and its shape can be made into rectangle, circle, polygon and other shapes according to design requirements. Another example is the patent No. ZL93206310.1 applied by Yu Shaohua in Tianjin on March 20, 1993, and the name is called "formwork member" utility model patent. It also discloses a thin-walled formwork member, which combines side walls with upper , The lower bottom is made of a fully enclosed fasting polyhedron structure, and the mold shell is equipped with reinforcing ribs, and is made of GRC or magnesium chloride GRC or sand-free ceramsite cement. 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 cavity structure disclosed by it Formwork, including "upper plate, surrounding side walls, and lower bottom, the upper plate, surrounding side walls, and lower bottom form a polyhedral cavity member. This cavity member has the advantages of light weight, high strength, simple structure, and convenient construction and transportation. Features, at the same time, in actual use, the lower bottom can participate in the force, and can hang heavy objects without cracking the cast-in-place prefabricated joint surface. The cavity formwork components disclosed above are applied to the Miri Building The cover is both a formwork member and a prefabricated filling member. It has the characteristics of simple structure, high strength, excellent deformation resistance, anti-vibration performance, easy manufacture, and low cost. However, after being applied to the hollow floor, the cavity formwork member The cast-in-place concrete ribs formed between them are all rectangular cast-in-place concrete ribs, and their mechanical properties are not very reasonable. It is often necessary to increase the cross-sectional size of the cast-in-place concrete ribs, increase the amount of steel bars and concrete, and increase the cost of the floor. , there is no reinforcing structure in the cavity formwork member, so the overall strength and rigidity of the cavity formwork member are poor, and the phenomenon of damage to the cavity formwork member is prone to occur. Participate in the force bearing and transmission of the hollow floor better. Therefore, it is urgent to develop a new type of cavity formwork member.

(3) Contents of the invention

The purpose of the present invention is to provide a cavity formwork member, which has the advantages of improving the mechanical properties of the floor, reducing the cross-sectional size of the cast-in-place concrete rib, reducing the amount of steel bars and concrete, reducing the cost of the floor, convenient construction, high strength, and high rigidity. , not easy to break, can participate in the force and transmission of the floor and other characteristics.

The solution of the present invention is based on the prior art, including the upper plate, the surrounding side walls, and the lower bottom, and the upper plate, the surrounding side walls, and the lower bottom form a polyhedral cavity formwork member, which is characterized in that the cavity formwork At least one transverse corner of the lower part of the component is a female corner, and at least one stiffener is arranged in the cavity formwork component. Like this, because the lateral corner of the lower bottom of the cavity formwork member is a recessed angle, after the cavity formwork member is applied to the cast-in-place concrete hollow floor, especially the ribbed floor, the cavity formwork member The cast-in-place concrete ribs in between form an inverted T-shaped rib, and its cross-sectional shape changes from a rectangle to an inverted T-shape, so the mechanical properties of the floor are greatly improved, which can reduce the cross-sectional size of the cast-in-place concrete ribs and reduce the amount of steel bars and concrete. , reduce the cost of the floor, and at the same time, because the cavity formwork member is provided with stiffeners, the cavity formwork member has high strength and rigidity, and is not prone to breakage of the cavity formwork member, and can participate in the construction of the floor In addition, the cavity formwork member also has the characteristics of simple structure, high strength, excellent deformation resistance, vibration resistance, easy manufacture, low cost, convenient construction, and fast construction speed, thus achieving the advantages of the present invention. Purpose: It is suitable for hollow floors, roofs, walls, foundation slabs and hollow bridges of cast-in-place reinforced concrete or prestressed reinforced concrete, especially for hollow beamless floors.

The present invention is also characterized in that all the transverse corners of the lower part of the cavity formwork member are female corners, and the female corners are connected to form a female corner ring. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the above-mentioned inner corner ring, and a mutually orthogonal concrete I-rib structure is formed inside the hollow floor, which greatly improves the At the same time, because the lower part of the cavity formwork member is set as an inner corner, the rigidity and strength of the lower part of the cavity formwork member are improved. After being applied to the floor, the cast-in-place concrete will The components are firmly held and wrapped so that they are not easy to fall off, damage, or crack.

The invention is also characterized by lamination layers laminated in at least one of the upper panel or surrounding side walls or lower bottom or inner corners of the cavity formwork member. In this way, the upper plate, the surrounding side walls, or the lower bottom or inner corners are superimposed with laminated layers, which greatly reduces the production difficulty of the cavity formwork components, and at the same time greatly improves the impact resistance of the cavity formwork components , reduces the loss rate of the product, and improves the production efficiency of the cavity formwork member.

The present invention is also characterized in that the upper plate or the surrounding side walls or the lower bottom are provided with convenient transporting parts. The carrier can be handles, hooks, rings or other devices. In this way, the cavity formwork components can be stacked, transferred, hoisted and constructed very conveniently, which reduces the work difficulty and work intensity of the above-mentioned processes, is conducive to improving the construction efficiency and reducing the construction cost.

The present invention is also characterized in that the plurality of stiffeners form a grid or truss with each other. In this way, after the cavity formwork member is applied to the cast-in-place concrete floor, the grid or truss rods in the cavity formwork member are combined with the cast-in-place concrete to form the internal structure of the combined cast-in-place and prefabricated floor. The three-dimensional grid or truss force system makes the force bearing and force transmission performance of the floor better.

The present invention is also characterized in that the stiffening rod is a composite rod or a composite rod or a hollow rod. In this way, the characteristics of good overall performance, high strength, good flexibility, low cost, simple and quick manufacture of the combined rod and composite rod arranged in the cavity formwork member can be fully utilized, and the comprehensive performance of the cavity formwork member is improved.

The invention is also characterized in that said stiffeners protrude outside the cavity formwork member. In this way, after the cavity formwork member is applied to the cast-in-place concrete floor, the protruding part of the stiffener outside the cavity formwork member is joined with the cast-in-place concrete to form an integral body, realizing direct engagement, so that the cavity formwork member The bonding and embedding between the internal rods and the cast-in-place concrete are better, which better solves the problems of low bonding strength and poor cooperative work performance of the bonding interface between the prefabricated and cast-in-place concrete, and greatly improves The mechanical performance and overall performance of the floor.

The present invention is also characterized in that the stiffeners tie at least two faces of the cavity formwork member. In this way, since the stiffeners tie the wall of the cavity formwork component, the overall performance of the cavity formwork component has been greatly enhanced, making it less likely to be damaged during stacking, transportation, installation, and construction, and greatly reducing the cost of the cavity. Component breakage rate.

The present invention is also characterized in that at least one of the upper panel, the surrounding side walls, the lower bottom, and the stiffeners contains reinforcements, or has reinforcements exposed. Reinforcement is steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape at least one. In this way, the above-mentioned reinforcements are contained in the upper plate, the surrounding side walls or the lower bottom, which greatly improves their strength and rigidity, so that the cavity formwork components are not easy to be damaged during stacking, transportation, installation and construction, even if there is a small area Damage, because of the connection of reinforcements, does not need to be repaired, and can continue to be used. If there are reinforcements on the cavity formwork component exposed outside the cavity formwork component, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the exposed reinforcement and the cast-in-place concrete can be greatly improved. Improve the gripping force between the cast-in-situ concrete and the cavity formwork components, optimize the performance of the entire hollow floor; at the same time, the exposed reinforcements are also convenient for use as handles, rings or hooks when the cavity formwork components are transported.

The invention is also characterized in that said surrounding side walls have reinforcements protruding into and anchored into the upper plate or lower bottom, or that the upper plate or lower bottom have reinforcements extending into and anchored into the surrounding side walls. In this way, there are reinforcements in the surrounding sidewalls extending into and anchored in the upper plate or the lower bottom, or reinforcements in the upper plate or the lower bottom are extending in and anchored in the sidewalls, thereby greatly improving the strength of the surrounding sidewalls and the upper surface. The connection strength between the plate or the lower bottom can effectively ensure that the cavity formwork components will not crack, loosen or fall off between the surrounding side walls and the upper plate or lower bottom during transportation, installation, construction, and use. The damage rate of cavity formwork components is greatly reduced.

The feature of the present invention is that the horizontal section or vertical section shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc polygon, a corrugated shape or a circle. In this way, the diversification of the shape of the polyhedral cavity formwork member makes the cavity formwork member applied to the cast-in-place concrete hollow floor, and correspondingly forms various cast-in-place concrete structures of different shapes, thus making the cast-in-place concrete hollow building The structure of the cover is more reasonable, which is convenient for the design and construction units to choose.

The present invention is also characterized in that at least one of internal corners, chamfers, grooves, pits, holes, boss modules, convex lines, and external corners is provided on the cavity formwork member. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the inner corners, chamfers, grooves, pits, and holes, and a local cast-in-place concrete reinforcement structure can be formed accordingly; The boss modules, protruding lines, and external corners set on the cavity formwork can evacuate the unstressed concrete in the floor, further reduce the weight of the floor itself, save the amount of concrete, reduce the cost of the floor, and improve performance of the roof.

The present invention is also characterized in that the internal corners, chamfers, grooves, holes, and convex lines are arranged in parallel, orthogonal, oblique or vertical intersection or form a grid. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the grooves, internal corners, chamfers, and convex lines on the cavity formwork component are arranged in parallel, orthogonal, oblique or vertical Or form a grid, after the above-mentioned parts are poured, correspondingly form a parallel, orthogonal, oblique or overpass cast-in-place concrete strengthening structure, which greatly improves the mechanical properties of the cast-in-place concrete floor.

The present invention is also characterized in that at least one of transverse inner corners, transverse chamfers, transverse grooves, transverse holes, and transverse raised lines is provided on the cavity formwork member, or the above-mentioned elements are parallel to each other or perpendicular to each other. , oblique, or gridded. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, after the cast-in-place concrete is poured into the above-mentioned transverse inner corners, transverse chamfers, and transverse grooves, forms of self or mutual parallel, orthogonal, oblique Or the cast-in-place concrete reinforced structure forming a grid improves the comprehensive performance of the cast-in-place hollow floor.

The present invention is also characterized in that at least one of vertical internal corners, vertical chamfers, vertical grooves, vertical holes, vertical ridges, or the above-mentioned itself or Parallel to each other, orthogonal, oblique or form a grid. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, after the cast-in-place concrete is poured into the vertical inner corners, vertical chamfers, vertical grooves, and vertical holes, a parallel and positive structure is formed. The cast-in-place concrete reinforced structure that crosses, obliquely crosses or forms a grid greatly improves the bearing capacity of the cast-in-place concrete hollow floor and improves the comprehensive mechanical properties of the cast-in-place concrete hollow floor.

The present invention is also characterized in that the groove communicates with the open hollow stiffener. In this way, when the cavity formwork component is applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the open hollow stiffener and the groove connected with it, forming an integral cast-in-place laminated reinforcement structure, which greatly improves the internal strength of the floor. The load-bearing structure makes the load-bearing system of the floor more reasonable.

The present invention is also characterized in that at least one of stiffening ribs and reinforcing ribs is provided in the closed cavity of the cavity formwork member, or the stiffening ribs are exposed outside the cavity formwork member, or the stiffening ribs and reinforcing ribs Reinforcements are also exposed. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, the stiffeners, stiffeners, and ribs or exposed stiffeners, stiffeners, and ribs set in the cavity formwork member can be integrated with the cast-in-place concrete. A composite structure combining cast-in-place and prefabrication is formed, and the internal stress system of the cast-in-place concrete floor is optimized. If there are reinforcements exposed thereon, the cavity formwork member and the cast-in-place concrete will be bonded more firmly, and the integrity of the floor will be better.

The present invention is also characterized in that lightweight materials are arranged in the closed cavity of the cavity formwork member. In this way, the impact resistance of the cavity formwork member is greatly improved, and the damage rate of the product during construction and application is reduced. At the same time, it also makes the cavity formwork components have better sound insulation, heat insulation, and thermal insulation properties; lightweight materials can be foamed plastics, expanded perlite, expanded vermiculite, foamed or aerated lightweight concrete, rock wool, ore Cotton, glass wool, ceramsite or ceramsite concrete, etc., the variety of lightweight materials makes it easy to obtain nearby materials during production, which is conducive to reducing production costs.

The invention is also characterized in that the upper plate or surrounding side walls of said formwork members are of lightweight material. In this way, the upper plate or the surrounding side walls are made of lightweight materials, which reduces the weight of the cavity formwork member and reduces the difficulty of transportation and installation.

The present invention is also characterized in that at least one of the upper plate or the side wall is or has a detachable movable part. In this way, it is convenient to check the condition inside the cavity formwork member at any time, and at the same time, it is also possible to partially or completely fill the interior of the cavity formwork member with lightweight materials, or install other components inside the cavity formwork member, such as junction boxes. , water and electricity pipelines, fire sprinklers, etc.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate and the surrounding side walls is a corrugated, zigzag, brushed or rough outer surface. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, because the surface is corrugated, zigzag, roughened or rough surface, the gap between the prefabricated cavity formwork member and the cast-in-place concrete The bonding force is stronger, which can greatly improve the overall performance of the floor.

The present invention is also characterized in that a positioning member is arranged on the cavity formwork member. The positioning member can be a pull ring, a pull hook, an iron wire, a supporting foot, a small protrusion, a small convex nail or other devices. In this way, when the cavity formwork components are applied to the cast-in-situ concrete hollow floor, the cavity formwork components can be accurately positioned to prevent the cavity formwork components from floating and shifting during pouring of concrete. The steel bar can be limited to effectively ensure the pouring quality of the floor.

The present invention is also characterized in that the cavity formwork components are provided with connectors for connecting the cavity formwork components with each other. Connectors can be steel bar, steel mesh, steel wire, steel wire mesh, angle steel, channel steel, L-shaped steel, T-shaped steel, ferrule, bolt, male and female groove, socket piece, sawtooth piece, convex groove, groove, bayonet, card Covers, holes, embedded iron parts, etc. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, the connectors provided on the cavity formwork components can effectively and reliably control the distance between the cavity formwork components, and control the distance between the cast-in-place concrete ribs. The width and height ensure the pouring quality of the internal structure of the floor; at the same time, it is also conducive to the connection and positioning of the cavity formwork components, or the formation of group components to speed up the construction speed.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through connectors, and an inner rib cavity is formed between the cavity formwork components. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, the cast-in-place concrete enters the inner rib cavity to form the cast-in-place concrete inner rib, which improves the mechanical properties of the floor; at the same time, the cavity formwork member The cavity formwork assembly is formed by connecting as a whole through the connecting piece, thus greatly improving the construction efficiency and construction speed of the floor.

The present invention is also characterized in that the lower bottom is cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar lower bottom, or the upper plate of the formwork member or the wall of the surrounding side wall is cement fiber, cement Fiber mesh, cement steel mesh, cement steel wire mesh, concrete plywood, wood plywood, plastic, metal profiled panels, walls of lightweight concrete. In this way, the diversification of materials for the lower bottom, the upper plate and the surrounding side walls can make the cavity formwork components fully meet the needs of various situations, which is beneficial to reduce product costs.

The present invention is also characterized in that the lower bottom has a raised edge, or at least two or more cavity formwork members are connected into a group of formwork members through the raised edge. In this way, when the cavity formwork component is applied to the cast-in-situ concrete hollow floor, the overhang can replace the construction template, save the template installation process, reduce the material loss rate, and improve the construction efficiency at the same time. If a plurality of cavity formwork components are connected into a group of formwork components by picking edges, the construction efficiency of the cavity formwork components is higher and the construction cost is lower.

(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 bottom, 4 is an inner corner, and 5 is a stiffening rod. 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 bottom 3 encircle and form a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with a female corner 4, in the cavity Stiffeners 5 are arranged inside the formwork member.

Fig. 2 is the structural representation of embodiment 2 of the present invention, and upper plate 1, surrounding sidewall 2 and lower bottom 3 encircle and form polyhedral cavity formwork member, and the lateral corners of the lower bottom of cavity formwork member are all arranged as female Angle 4 is provided with a stiffening rod 5 inside the cavity formwork member, and its internal angle 4 is connected to form an internal angle ring.

Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners 4. A stiffener 5 is provided inside the cavity formwork member, and a laminated layer 6 is superimposed on the lower bottom 3 thereof.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is provided inside the cavity formwork member, and a carrier 7 is provided on the upper plate 1 for easy transportation. The carrier 7 in the figure is a handle.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and a plurality of stiffening rods 5 form a network frame with each other.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the stiffener 5 is a hollow stiffener.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and part of the stiffener 5 is exposed outside the cavity formwork member.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the stiffeners 5 tie multiple surfaces of the cavity formwork member.

Fig. 9 is a structural schematic diagram of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and reinforcements 8 are provided on the upper plate 1 and the surrounding side walls 2. The reinforcements 8 are thin metal strips as shown in the figure.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and reinforcements 8 are provided in the upper plate 1 and the surrounding side walls 2, and the reinforcements 8 in the surrounding side walls 2 are inserted into and anchored in the upper plate 1, The illustrated reinforcement 8 is a fiber mesh cloth.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the horizontal cross-sectional shape of the polyhedral cavity formwork member is polygonal.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and chamfers 9, grooves 10, pits 11, holes 12, boss modules 13 and male corners 15 are also provided on the cavity formwork member.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and chamfers 9, grooves 10 and raised lines 14 are also provided on the cavity formwork member.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork member, and transverse inner corners 4, transverse chamfers 9 and transverse raised lines 14 parallel to each other are also provided on the cavity formwork member.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and vertical internal corners 4, vertical chamfers 9, vertical grooves 10, vertical holes 12 and vertical corners are also provided on the cavity formwork member. To the ridges 14, they are arranged parallel, orthogonal or oblique to each other or to each other.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and the stiffening rod 5 is a hollow rod, and the groove 10 communicates with the open hollow stiffening rod 5 .

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and stiffeners 16 and ribs 17 are also provided in the closed cavity of the cavity formwork member. At the same time, the stiffeners 16 and stiffeners 5 have Partially exposed outside the cavity formwork member.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is provided inside the cavity formwork member, and a lightweight material 18 is provided in the closed cavity of the cavity formwork member, and the light material 18 shown in the figure is expanded perlite.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the wall of the upper plate 1 is made of foamed concrete lightweight material 18 .

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and its upper plate 1 is a movable and detachable fastening cover plate.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the outer surfaces of the upper plate 1 and the surrounding side walls 2 are rough outer surfaces.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is provided inside the cavity formwork member, and a positioning member 19 is provided on its upper plate 1. The positioning member 19 in the figure is a supporting positioning block.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork components, and a plurality of connecting pieces 20 are provided on the surrounding side walls 2 of the cavity formwork components for connection between the cavity formwork components, as shown in the figure. Part 20 is a rod or a socket.

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork components, and multiple cavity formwork components are connected as a whole through connectors 20 , and the intervals between the cavity formwork components constitute inner rib cavity 21 .

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork components, and multiple cavity formwork components are connected as a whole through connectors 20 , and the intervals between the cavity formwork components constitute inner rib cavity 21 .

Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the lower bottom 3 of the cavity formwork member protrudes from the raised edge 22. At the same time, multiple cavity formwork members are connected into a group mold through the raised edge 22. Shell member.

(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 lower bottom 3, and the upper plate 1, surrounding side walls 2, and lower bottom 3 form a polyhedral cavity formwork member, which is characterized in that the cavity formwork At least one transverse corner of the lower part of the component is a female corner 4, and at least one stiffening rod 5 is arranged in the cavity formwork component. 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 bottom, 4 is an inner corner, and 5 is a stiffening rod. 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 bottom 3 encircle and form a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with a female corner 4, in the cavity Stiffeners 5 are arranged inside the formwork member.

The present invention is also characterized in that all transverse corners of the lower part of the cavity formwork member are internal corners 4, and the internal corners 4 are connected to form a female corner ring. Fig. 2 is the structural representation of embodiment 2 of the present invention, and upper plate 1, surrounding sidewall 2 and lower bottom 3 encircle and form polyhedral cavity formwork member, and the lateral corners of the lower bottom of cavity formwork member are all arranged as female Angle 4 is provided with a stiffening rod 5 inside the cavity formwork member, and its internal angle 4 is connected to form an internal angle ring.

The present invention is also characterized in that a lamination layer 6 is laminated in at least one of the upper plate 1 or the surrounding side wall 2 or the lower bottom 3 or the inner corner 4 of the cavity formwork member. Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners 4. A stiffener 5 is provided inside the cavity formwork member, and a laminated layer 6 is superimposed on the lower bottom 3 thereof.

The present invention is also characterized in that the upper plate 1 or the surrounding side walls 2 or the lower bottom 3 are provided with a carrier 7 for easy transportation. The carrier 7 can be a handle, a hook, a ring or other devices. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is provided inside the cavity formwork member, and a carrier 7 is provided on the upper plate 1 for easy transportation. The carrier 7 in the figure is a handle.

The present invention is also characterized in that the plurality of stiffeners 5 form a grid or truss with each other. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and a plurality of stiffening rods 5 form a network frame with each other.

The present invention is also characterized in that the stiffening rod 5 is a composite rod or a composite rod or a hollow rod. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the stiffener 5 is a hollow stiffener.

The present invention is also characterized in that said stiffeners 5 protrude outside the cavity formwork member. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and part of the stiffener 5 is exposed outside the cavity formwork member.

The present invention is also characterized in that the stiffeners 5 tie at least two faces of the cavity formwork member. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the stiffeners 5 tie multiple surfaces of the cavity formwork member.

The present invention is also characterized in that at least one of the upper plate 2, surrounding side walls 2, lower bottom 3, and stiffeners 5 contains reinforcements 8, or has reinforcements 8 exposed. Reinforcement 8 is steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape at least one of . Fig. 9 is a structural schematic diagram of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and reinforcements 8 are provided on the upper plate 1 and the surrounding side walls 2. The reinforcements 8 are thin metal strips as shown in the figure.

The present invention is also characterized in that reinforcements 8 are inserted into and anchored in the upper plate 1 or lower bottom 3 in the surrounding side wall 2, or reinforcements 8 are inserted in and anchored in the upper plate 1 or lower bottom 3. Inside the surrounding side wall 2. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and reinforcements 8 are provided in the upper plate 1 and the surrounding side walls 2, and the reinforcements 8 in the surrounding side walls 2 are inserted into and anchored in the upper plate 1, The illustrated reinforcement 8 is a fiber mesh cloth.

The feature of the present invention is that the horizontal section or vertical section shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc polygon, a corrugated shape or a circle. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the horizontal cross-sectional shape of the polyhedral cavity formwork member is polygonal.

The present invention is also characterized in that the cavity formwork member is provided with internal corners 4, chamfers 9, grooves 10, pits 11, holes 12, boss modules 13, convex strips 14, and male corners 15. at least one. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and chamfers 9, grooves 10, pits 11, holes 12, boss modules 13 and male corners 15 are also provided on the cavity formwork member.

The present invention is also characterized in that the internal corners 4, chamfers 9, grooves 10, holes 12, and convex lines 14 themselves or each other are arranged in parallel, orthogonal, oblique or vertical intersection or form a grid. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and chamfers 9, grooves 10 and raised lines 14 are also provided on the cavity formwork member.

The present invention is also characterized in that the cavity formwork member is provided with at least one of a transverse inner corner 4, a transverse chamfer 9, a transverse groove 10, a transverse hole 12, and a transverse raised line 14, or the above-mentioned itself or Parallel to each other, orthogonal, oblique or form a grid. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork member, and transverse inner corners 4, transverse chamfers 9 and transverse raised lines 14 parallel to each other are also provided on the cavity formwork member.

The present invention is also characterized in that at least one of vertical internal corners 4, vertical chamfers 9, vertical grooves 10, vertical holes 12, and vertical ridges 14 is provided on the cavity formwork member. , or the above self or mutually parallel, orthogonal, oblique or form a grid. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and vertical internal corners 4, vertical chamfers 9, vertical grooves 10, vertical holes 12 and vertical corners are also provided on the cavity formwork member. To the ridges 14, they are arranged parallel, orthogonal or oblique to each other or to each other.

The present invention is also characterized in that the groove 10 communicates with the open hollow stiffener 5 . Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and the stiffening rod 5 is a hollow rod, and the groove 10 communicates with the open hollow stiffening rod 5 .

The present invention is also characterized in that at least one of stiffeners 16 and ribs 17 is provided in the closed cavity of the cavity formwork member, or that the stiffener 16 is exposed outside the cavity formwork member, or that the stiffener 16 1. The reinforcement 8 is also exposed on the rib 17 . Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork member, and stiffeners 16 and ribs 17 are also provided in the closed cavity of the cavity formwork member. At the same time, the stiffeners 16 and stiffeners 5 have Partially exposed outside the cavity formwork member.

The present invention is also characterized in that a lightweight material 18 is arranged in the closed cavity of the cavity formwork member. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is provided inside the cavity formwork member, and a lightweight material 18 is provided in the closed cavity of the cavity formwork member, and the light material 18 shown in the figure is expanded perlite.

The invention is also characterized in that the walls of the upper plate 1 or surrounding side walls 2 of said formwork elements are made of lightweight material 18 . Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is arranged inside the cavity formwork member, and the wall of the upper plate 1 is made of foamed concrete lightweight material 18 .

The present invention is also characterized in that at least one of the upper plate 1 or the side wall 2 is or has a detachable movable part. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffening rod 5 is arranged inside the cavity formwork member, and its upper plate 1 is a movable and detachable fastening cover plate.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate 1 and the surrounding side walls 2 is a corrugated, zigzag, brushed or rough outer surface. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the outer surfaces of the upper plate 1 and the surrounding side walls 2 are rough outer surfaces.

The present invention is also characterized in that a positioning member 19 is provided on the cavity formwork member. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A stiffener 5 is provided inside the cavity formwork member, and a positioning member 19 is provided on its upper plate 1. The positioning member 19 in the figure is a supporting positioning block.

The present invention is also characterized in that the cavity formwork components are provided with connecting pieces 20 for connecting the cavity formwork components with each other. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are provided inside the cavity formwork components, and a plurality of connecting pieces 20 are provided on the surrounding side walls 2 of the cavity formwork components for connection between the cavity formwork components, as shown in the figure. Part 20 is a rod or a socket.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through the connecting piece 20, and an inner rib cavity 21 is formed between the cavity formwork components. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork components, and multiple cavity formwork components are connected as a whole through connectors 20 , and the intervals between the cavity formwork components constitute inner rib cavity 21 . Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffening rods 5 are arranged inside the cavity formwork components, and multiple cavity formwork components are connected as a whole through connectors 20 , and the intervals between the cavity formwork components constitute inner rib cavity 21 .

The present invention is also characterized in that the lower bottom 3 is the lower bottom of cement mortar, concrete, light concrete, polymer concrete, polymer mortar, or the upper plate 1 of the formwork member or the wall of the surrounding side wall 2 is cement Fiber, cement fiber mesh, cement steel mesh, cement steel wire mesh, concrete rubber board, wood rubber board, plastic, metal profiled board, and the wall of lightweight concrete. As shown in Figure 22, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and a female corner 4 is provided at the lateral corner of the lower bottom of the cavity formwork member. A stiffener 5 is arranged inside the shell member, and its upper plate 1, surrounding side walls 2 and lower bottom 3 are cement fiber walls.

The present invention is also characterized in that the lower bottom 3 has a raised edge 22, or at least two cavity formwork members are connected through the raised edge 22 to form a group of formwork members. Fig. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. Stiffeners 5 are arranged inside the cavity formwork member, and the lower bottom 3 of the cavity formwork member protrudes from the raised edge 22. At the same time, multiple cavity formwork members are connected into a group mold through the raised edge 22. Shell member.

During the implementation of the present invention, cement binder and glass fiber mesh cloth can be used to form at least one layered multi-layer structure of one layer of cement binder, one layer of glass fiber mesh cloth and one layer of binder in the mold. A cavity formwork member with stiffeners 5 is provided in the cavity with the opening side concave toward the center, and the cavity formwork member with the opening is obtained after demoulding and curing to a specified age, and then the lower bottom 3 is made in the lower bottom mould, The slurry of the lower bottom 3 can be cement mortar or cement concrete. Before the slurry of the lower bottom 3 is solidified and hardened, the pre-made open cavity formwork member and the lower bottom 3 are bonded into a whole, and the lower bottom 3 is solidified and hardened. After demoulding, after curing to the specified age, the cavity formwork member is obtained.

Claims (26)

1, a kind of cavity former component, comprise upper plate (1), sidewall (2), go to the bottom (3) on every side, upper plate (1), sidewall (2), go to the bottom (3) surround the polyhedron cavity former component on every side, at least one the lateral corner place that it is characterized in that the bottom of cavity former component is inner corner trim (4), is provided with at least one bracing boom (5) in cavity former component.

2, a kind of cavity former component according to claim 1 is characterized in that all lateral corner places of the bottom of cavity former component are inner corner trim (4), and inner corner trim (4) is communicated with into the inner corner trim ring.

3, a kind of cavity former component according to claim 1, it is characterized in that the upper plate (1) of cavity former component or on every side sidewall (2) go to the bottom (3) or at least one of inner corner trim (4) in be superimposed with overlapping layers (6).

4, a kind of cavity former component according to claim 1 is characterized in that described upper plate (1) or sidewall (2) or go to the bottom (3) are provided with the carrying part (7) of convenient carrying on every side.

5, a kind of cavity former component according to claim 1 is characterized in that described many bracing booms (5) constitute rack or truss each other.

6, a kind of cavity former component according to claim 1 is characterized in that described bracing boom (5) is compound rod or coupled pole or hollow stem.

7, a kind of cavity former component according to claim 1 is characterized in that described bracing boom (5) stretches out outside the cavity former component.

8, a kind of cavity former component according to claim 1 is characterized in that at least two faces of described bracing boom (5) drawknot cavity former component.

9, a kind of cavity former component according to claim 1 is characterized in that described upper plate (1), contains reinforce (8) at least one of sidewall (2), go to the bottom (3), bracing boom (5) on every side, perhaps has reinforce (8) to expose.

10, a kind of cavity former component according to claim 9, it is characterized in that having reinforce (8) to stretch into and be anchored in upper plate (1) or go to the bottom (3) in the sidewall (2) around described, perhaps have reinforce (8) to stretch into and be anchored on every side in the sidewall (2) in upper plate (1) or go to the bottom (3).

11,, it is characterized in that the horizontal profile of described polyhedron cavity former component or vertical cross section are shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon, multi sphere limit shape, corrugated or circular according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

12,, it is characterized in that described cavity former component is provided with at least one in inner corner trim (4), chamfering (9), groove (10), pit (11), hole (12), boss module (13), raised line (14), the external corner (15) according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

13, a kind of cavity former component according to claim 12 is characterized in that described inner corner trim (4), chamfering (9), groove (10), hole (12), raised line (14) self or is parallel, quadrature, oblique or grade separation setting mutually or forms grid.

14, a kind of cast-in-place concrete hollow-cavity mould component according to claim 13, it is characterized in that described cavity former component is provided with horizontal inner corner trim (4), laterally chamfering (9), transverse concave groove (10), laterally hole (12), horizontal at least a in the raised line (14), or above-mentioned self or be parallel to each other, quadrature, oblique or form grid.

15, a kind of cast-in-place concrete hollow-cavity mould component according to claim 13, it is characterized in that described cavity former component is provided with at least a in vertical inner corner trim (4), vertical chamfering (9), vertical groove (10), vertical hole (12), the vertical raised line (14), or above-mentioned self or be parallel to each other, quadrature, oblique or form grid.

16, a kind of cavity former component according to claim 12 is characterized in that described groove (10) is communicated with the hollow reinforced bar (5) of opening.

17, according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10, it is characterized in that being provided with in the enclosed cavity of described cavity former component at least one in stiffening rib (16), the reinforcing rib (17), perhaps have stiffening rib (16) to expose outside the cavity former component, perhaps also exposing on stiffening rib (16), the reinforcing rib (17) has reinforce (8).

18,, it is characterized in that being provided with light material (18) in the enclosed cavity of described cavity former component according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

19, a kind of cast-in-place concrete hollow-cavity mould component according to claim 18, it is characterized in that the upper plate (1) of described shuttering member or on every side the wall of sidewall (2) be light material (18).

20, according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10, it is characterized in that in described upper plate (1) or the sidewall (2) at least one for or dismountable movable part arranged.

21,, it is characterized in that described upper plate (1), at least one in the external surface of sidewall (2) is corrugated, zigzag, plucking shape or exasperate external surface on every side according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

22,, it is characterized in that described cavity former component is provided with align member (19) according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

23,, it is characterized in that described cavity former component is provided with connector connected to one another (20) between the cavity former component according to the described a kind of cavity former component of arbitrary claim in the claim 1 to 10.

24, a kind of cavity former component according to claim 23 is characterized in that at least two above cavity former components are connected as one by connector (20), constitutes internal-rib die cavity (21) between the cavity former component.

25, according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10, it is characterized in that described going to the bottom (3) is the going to the bottom of cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar, perhaps the upper plate of shuttering member (1) or on every side the wall of sidewall (2) be the wall of Cement fibre, Cement fibre net, cement steel net, cement gauze wire cloth, concrete offset plate, wood glue plate, plastics, metal crimp template, lightweight concrete.

26, according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10, it is characterized in that described going to the bottom (3) has toss (22), perhaps at least two above cavity former components connect into the gang mould mould component by toss (22).

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