CN1300425C - A cavity formwork component for cast-in-place concrete - Google Patents

Abstract

A shuttering member for cast-in-situ concrete, including the upper board (1), surrounding sidewall (2), lower bottom (3), the upper board (1), surrounding sidewall (2), lower bottom (3) enclose into the polyhedral cavity shuttering member, the lower bottom (3) stretches out from at least one surrounding sidewall (2) and forms the ram (4), characterized by that at least one surrounding sidewall (2) or upper board (1) or both of the cavity shuttering member are provided with at least one convex module (5), the lower bottom (3) is folded with the template (6), form the folded lower bottom jointly. It is suitable for use in-situ cast or pre-stressed reinforced concrete hollow floor slab, roof, wall, foundation slab and open web bridge.

Description

A cavity formwork component for cast-in-place concrete

(1) Technical field

The invention relates to a cavity formwork component for cast-in-place concrete.

(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 The formwork includes "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. This cavity formwork member has light weight, high strength, simple structure, Convenient construction and transportation. 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. In addition, this kind of polyhedral cavity formwork member, for The construction formwork is saved, and the lower bottom can also protrude from the surrounding side walls to form a pick-up plate, which can be used as a structural formwork for the cast-in-place concrete ribs between the cavity formwork components, which is conducive to improving the construction speed and reducing the construction cost. At the same time, This cavity formwork member also has characteristics such as simple in structure, high strength, anti-deformation, good anti-vibration performance, easy manufacture, low cost.But, after this cavity formwork member is applied to cast-in-place concrete hollow floor, The weight of the formed floor is still relatively heavy, which is not conducive to earthquake resistance and material saving. Therefore, it is urgent to develop a new type of cavity formwork member for cast-in-place concrete.

(3) Contents of the invention

The object of the present invention is to provide a cavity formwork component for cast-in-place concrete. After being applied to the cast-in-place concrete floor, the floor is relatively light in weight, good in shock resistance, and saves materials. At the same time, the cavity formwork component is also It has the characteristics of simple structure, high strength, excellent deformation resistance and vibration resistance, easy manufacture, low cost, convenient construction and fast construction speed.

The solution of the present invention is on the basis of prior art, comprises upper plate, surrounding side wall, lower bottom, and upper plate, surrounding side wall, lower bottom encircle polyhedron cavity formwork member, and lower bottom is from at least one surrounding side The wall protrudes to form a pick-up plate, which is characterized in that at least one convex module is arranged on at least one surrounding side wall or upper plate or both of the cavity formwork member, and the lower bottom and the formwork are superimposed to form a superimposed lower bottom . In this way, after the cavity formwork component is applied to the cast-in-situ concrete hollow floor, since the surrounding side walls or upper plates of the cavity formwork component are provided with convex modules, the reinforced concrete in the floor can be evacuated, so the The weight is relatively light, the seismic performance is good, the mechanical properties are greatly improved, and the materials of the floor are saved and the cost is low; at the same time, since the bottom plate is a composite bottom bottom composed of formwork and the bottom bottom, it is prefabricated with one side open For the cavity formwork, after the formwork is embedded in the opening, the lower bottom slurry is laid on the formwork, and after curing to the specified age, the lower bottom forming mold is removed, and the lower bottom is a cavity with the template laminated formwork components; the laminated lower bottom formed by the formwork and the lower bottom has the characteristics of high strength and convenient manufacture, which can realize flow production and greatly reduce the cost of cavity formwork components, which is beneficial to the cavity formwork components. Popularization and application; In addition, the cavity formwork member also has the characteristics of simple structure, excellent deformation resistance, anti-vibration performance, easy manufacture, low cost, convenient construction, fast construction speed, etc., thus achieving the purpose of the present invention and 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 present invention is also characterized in that the upper plate or the surrounding side walls or pick-up plates 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, reducing the work difficulty and work intensity of the above-mentioned processes.

The present invention is also characterized in that the lower bottom protrudes from the adjacent two sides of the surrounding side walls to form an L-shaped pick plate, or the lower bottom protrudes from the surrounding side walls to form a square ring-shaped pick plate. 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 formwork, which reduces the loss of the formwork, and at the same time, saves the installation process of the formwork, greatly improving the construction efficiency , reducing the overall cost of the floor.

The present invention is also characterized in that at least one side of the upper plate protrudes from a pick-up plate. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the protruding pick plate can form a laminated floor slab with the cast-in-place concrete, which reduces the amount of cast-in-place concrete and the overall cost of the floor; at the same time , when the cavity formwork member is applied to the hollow wall, the pick-up plates protruding from the upper plate and the lower bottom can be used as formwork on both sides of the wall, which can greatly improve the construction efficiency and reduce the construction cost.

The invention is also characterized in that there is at least one male module on all the side walls around said perimeter. In this way, when the cavity formwork components are applied to the cast-in-place concrete floor, the convex modules will evacuate the concrete on the cast-in-place concrete ribs between the cavity formwork components, further reducing the amount of concrete and lightening the floor. The weight of the building increases the seismic performance of the floor and improves the comprehensive mechanical properties of the floor.

The invention is also characterized in that recesses are formed between the plurality of male modules of said same peripheral side wall. In this way, when the cavity formwork components are applied to the cast-in-place concrete floor, the plurality of convex modules will evacuate the unstressed concrete on the cast-in-place concrete ribs between the cavity formwork components, reducing the amount of concrete, The weight of the floor is reduced. At the same time, the cast-in-place concrete is poured into the grooves between the convex modules, and various rod-shaped cast-in-place concrete reinforcement structures are formed on the cast-in-place concrete ribs, which greatly strengthens the stress of the floor. structure.

The present invention is also characterized in that the male module and the cavity formwork member are integrally formed as a whole. In this way, the integrally formed cavity formwork component has the advantages of simple process and convenient manufacture. At the same time, the cavity formwork component has good integrity and is not easy to be damaged during stacking, transportation, installation and construction, which greatly reduces the cost of the component. damage rate.

The present invention is also characterized in that the male module and the cavity formwork member are integrally formed by separate molding and fixed or movably connected. In this way, according to the design requirements and construction needs, when the cavity formwork components are applied to the cast-in-place concrete floor, the convex modules can be easily disassembled and installed at any time, which greatly speeds up the construction speed and improves the construction efficiency.

The present invention is also characterized in that at least one of the upper plate, the surrounding side walls, the lower bottom, the pick plate, and the convex module contains reinforcements, or has reinforcements exposed. The reinforcement is at least one of steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. In this way, the above-mentioned reinforcements are contained in the upper plate, the surrounding side walls, the lower bottom, or the pick plate, which greatly improves their strength and rigidity, so that the cavity formwork components are not easily damaged during stacking, transportation, installation, and construction. Small area of damage, because of the connection of reinforcements, does not need to be repaired, and can continue to be put into use. 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 present invention is also characterized in that reinforcements extend into the side wall and are anchored in the lower bottom or the flange, or that reinforcements in the lower bottom or the flange extend into and are anchored in the side wall. In this way, there are reinforcements in the side wall extending into and anchored in the lower bottom or the pick plate, or reinforcements in the lower bottom or the pick plate extend into and anchored in the side wall, thus greatly improving the distance between the side wall and the lower bottom. The connection strength between the cavity formwork components can effectively ensure that the cavity formwork components will not crack, loosen or fall off between the side wall and the lower bottom or the pick plate during transportation, installation, and construction, and the cavity formwork components will be greatly reduced. breakage rate.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfered 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 grooves, inner corners, chamfers, pits, holes, convex lines and outer 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 grooves, inner corners, chamfers, pits, and holes, and a local cast-in-place concrete reinforcement structure can be formed accordingly; The boss modules, protruding lines, and external corners provided on the cavity formwork member can evacuate the unstressed concrete in the floor, further reduce the weight of the floor itself, save the amount of concrete, and reduce the cost of the floor.

The present invention is also characterized in that the grooves, internal corners, chamfers, and convex lines are arranged parallel, orthogonal, oblique or vertical to each other. 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 After the concrete is poured, a parallel, orthogonal, oblique or overpass cast-in-place concrete strengthening structure is correspondingly formed, 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 stiffening ribs, stiffening rods, and reinforcing ribs is provided in the closed cavity of the cavity formwork member, or at least one of stiffening ribs and stiffening bars is exposed from the cavity formwork. There are reinforcements exposed outside the component, or on the stiffeners and stiffeners. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, the stiffeners, stiffeners, stiffeners or exposed stiffeners and stiffeners arranged in the cavity formwork member can form a concrete structure with the cast-in-place concrete. The composite structure combining pouring and prefabrication optimizes the internal stress system of the cast-in-place concrete floor. 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 present invention is also characterized in that at least one of the upper plate or the side wall is 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, the surrounding side walls, and the pick-up plate 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 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 and speed up the construction.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through pick-up plates, 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 the pick-up plates into one body, thus greatly improving the construction efficiency and construction speed of the floor.

The present invention is also characterized in that fixed or movable braces are arranged in the mold cavity of the inner rib. The supporting parts can be rods, cables, plates, tendons, wires, thin strips, piers, blocks, etc. In this way, due to the provision of braces, the damage rate of the grouped cavity formwork components is greatly reduced due to the support or tie effect of the braces during the transportation and construction of the grouped cavity formwork components. When it is placed in the cast-in-situ concrete hollow floor, the installation and construction speed is fast, the work efficiency is high, and the 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 the accompanying drawings, 1 is an upper plate, 2 is a surrounding side wall, 3 is a lower bottom, 4 is a pick plate, and 5 is a convex module. In the following 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 are enclosed to form a polyhedron cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding side walls 2 and the upper plate 1 are provided with convex modules 5.

Fig. 2 is the structural representation of embodiment 2 of the present invention, and upper plate 1, surrounding side wall 2 and lower bottom 3 encircle and form polyhedron cavity formwork member, and lower bottom 3 stretches out surrounding side wall 2 to form picking plate 4, and surrounding side A convex module 5 is arranged on the wall 2 , and its lower bottom 3 is a laminated lower bottom composed of the template 6 and the lower bottom 3 .

Fig. 3 is the structural representation of embodiment 3 of the present invention, and upper plate 1, surrounding side wall 2 and lower bottom 3 encircle and form polyhedron cavity formwork member, and lower bottom 3 stretches out surrounding side wall 2 to form pick plate 4, and surrounding side A convex module 5 is arranged on the wall 2, and a carrier 7 for easy transportation is arranged on the pick-up plate 4, and the carrier 7 is a handle as shown in the figure.

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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and its lower bottom 3 protrudes from the adjacent two sides of the surrounding side wall 2 to form an L-shaped pick plate.

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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a pick plate 4 protrudes from the upper plate 1 thereof.

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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of convex modules 5 are arranged on the side walls 2 around it.

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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides The wall 2 is provided with male modules 5 which form recesses 8 between the male modules 5 provided on the surrounding side wall 2 .

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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and the convex module 5 and the cavity formwork member are integrally formed as a whole.

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 bottom 3 enclose a polyhedral cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2 and the upper plate 1, and the convex module 5 on the surrounding side wall 2 and the cavity formwork member are separately molded and movably connected as a whole.

Fig. 10 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and reinforcements 9 are arranged in the upper plate 1, the surrounding side walls 2 and the convex module 5, and the reinforcement 9 shown in the figure 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and a reinforcement 9 is arranged inside. The reinforcement 9 shown in the figure is a fiber mesh cloth, and the fiber mesh cloth reinforcement 9 extends into the side wall 2 and is anchored in the pick plate 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 bottom 3 enclose a polyhedral cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and the horizontal section shape of the cavity formwork member is a quadrilateral with arc angles.

Fig. 13 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2 , and a female corner 10 , a recess 12 and a male corner 15 are also arranged 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and its cavity formwork member is also provided with a groove 8, a female corner 10, a chamfer 11, a hole 13 and a convex strip 14.

Fig. 15 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a stiffening rib 16, a stiffening rod 17 and a reinforcing rib 18 are arranged in the closed cavity of the cavity formwork member, and at the same time, the stiffening rib 16 and the stiffening rod 17 are partially exposed in the cavity outside the mold.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. A convex module 5 is arranged on the wall 2, and a light material 19 is arranged in the closed cavity of the cavity formwork, and the light material 19 shown in the figure is expanded perlite.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and its upper plate 1 is a detachable movable fastening cover plate.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, the upper plate 1 of which is a brushed outer surface, and the pick plate 4 is a rough surface.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a positioning member 20 is arranged on the cavity formwork member thereof, and the positioning member 20 is a supporting positioning foot block as shown in the figure.

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 bottom 3 enclose a polyhedral cavity formwork member, and the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of connecting pieces 21 are arranged on its cavity formwork member, and the connecting pieces 21 in the figure are braced rods.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of cavity formwork components of the cavity formwork components are connected as a whole through the pick plate 4, and an inner rib cavity 22 is formed between the cavity formwork components.

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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of cavity formwork components are connected as a whole through the pick plate 4, and an inner rib cavity 22 is formed between the cavity formwork components, and a brace mold cavity 22 is provided in the inner rib cavity 22. Part 23, the drawing part 23 is a support rod part and a cable part.

(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 bottom 3. The upper plate 1, surrounding side walls 2, and lower bottom 3 form a polyhedral cavity formwork member, and the lower bottom 3 is formed from at least one surrounding The side wall 2 protrudes to form the pick plate 4, which is characterized in that at least one convex module 5 is arranged on at least one surrounding side wall 2 or the upper plate 1 or both of the cavity formwork member, and the lower bottom 3 is stacked with the formwork 6 Together, they together form a superimposed lower bottom. Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is an upper plate, 2 is a surrounding side wall, 3 is a lower bottom, 4 is a pick plate, and 5 is a convex module. In the following 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 are enclosed to form a polyhedron cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding side walls 2 and the upper plate 1 are provided with convex modules 5. Fig. 2 is the structural representation of embodiment 2 of the present invention, and upper plate 1, surrounding side wall 2 and lower bottom 3 encircle and form polyhedron cavity formwork member, and lower bottom 3 stretches out surrounding side wall 2 to form picking plate 4, and surrounding side A convex module 5 is arranged on the wall 2, and its lower bottom 3 is superposed with the template 6 to jointly form a superimposed lower bottom.

The present invention is also characterized in that the upper plate 1 or the surrounding side wall 2 or pick plate 4 is provided with a transporting piece 7 for easy transport. The carrier 7 is a handle, a suspension hook, a suspension ring or other devices. Fig. 3 is the structural representation of embodiment 3 of the present invention, and upper plate 1, surrounding side wall 2 and lower bottom 3 encircle and form polyhedron cavity formwork member, and lower bottom 3 stretches out surrounding side wall 2 to form pick plate 4, and surrounding side A convex module 5 is arranged on the wall 2, and a carrier 7 for easy transportation is arranged on the pick-up plate 4, and the carrier 7 is a handle as shown in the figure.

The present invention is also characterized in that the lower bottom 3 protrudes from the adjacent two sides of the surrounding side wall 2 to form an L-shaped pick plate, or the lower bottom 3 protrudes from the surrounding side wall 2 to form a square pick plate 4. Ring pick plate. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and its lower bottom 3 protrudes from the adjacent two sides of the surrounding side wall 2 to form an L-shaped pick plate.

The present invention is also characterized in that at least one side of the upper plate 1 is protruded with a pick plate 4 . 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a pick plate 4 protrudes from the upper plate 1 thereof.

The present invention is also characterized in that there is at least one male module 5 on all the side walls 2 around. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of convex modules 5 are arranged on the side walls 2 around it.

The invention is also characterized in that recesses 8 are formed between the plurality of male modules 5 of the same peripheral side wall 2 as described. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides The wall 2 is provided with male modules 5 which form recesses 8 between the male modules 5 provided on the surrounding side wall 2 .

The present invention is also characterized in that the male module 5 and the cavity formwork member are integrally formed as a whole. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and the convex module 5 and the cavity formwork member are integrally formed as a whole.

The present invention is also characterized in that the male module 5 and the cavity formwork member are separately molded and fixed or movably connected as a whole. 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 bottom 3 enclose a polyhedral cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2 and the upper plate 1, and the convex module 5 on the surrounding side wall 2 and the cavity formwork member are separately molded and movably connected as a whole.

The present invention is also characterized in that at least one of the upper plate 1, the surrounding side walls 2, the lower bottom 3, the pick plate 4, and the convex module 5 contains reinforcements 9, or has reinforcements 9 exposed. The reinforcement 9 is at least one of steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. Fig. 10 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and reinforcements 9 are arranged in the upper plate 1, the surrounding side walls 2 and the convex module 5, and the reinforcement 9 shown in the figure is a fiber mesh cloth.

The present invention is also characterized in that reinforcements 9 extend into and anchor in the lower bottom 3 or pick plate 4 in the side wall 2, or reinforcements 9 extend in and anchor in the side wall in the lower bottom 3 or pick plate 4. 2 within. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and a reinforcement 9 is arranged inside. The reinforcement 9 shown in the figure is a fiber mesh cloth, and the fiber mesh cloth reinforcement 9 extends into the side wall 2 and is anchored in the pick plate 4.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfered polygon, an arc polygon, a corrugated shape or a circle. 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and the horizontal section shape of the cavity formwork member is a quadrilateral with arc angles.

The present invention is also characterized in that at least one of a groove 8 , an inner corner 10 , a chamfer 11 , a pit 12 , a hole 13 , a convex strip 14 and an outer corner 15 is provided on the cavity formwork member. Fig. 13 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2 , and a female corner 10 , a recess 12 and a male corner 15 are also arranged 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, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex module 5, and its cavity formwork member is also provided with a groove 8, a female corner 10, a chamfer 11, a hole 13 and a convex strip 14.

The present invention is also characterized in that the grooves 8 , internal corners 10 , chamfers 11 , and convex strips 14 are arranged parallel, orthogonal, oblique, or vertical to each other. As shown in Figure 14, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 are enclosed to form a polyhedral cavity formwork member, the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the upper plate 1 is provided with a convex shape. In the module 5, the grooves 8, internal corners 10, chamfers 11, and convex strips 14 are arranged parallel, orthogonal or perpendicular to each other or to each other.

The present invention is also characterized in that at least one of stiffening rib 16, stiffening rod 17, and reinforcing rib 18 is arranged in the closed cavity of the cavity formwork member, or at least one of stiffening rib 16 and stiffening rod 17 is arranged. The outside of the cavity formwork member is exposed, or the reinforcement 9 is exposed on the stiffening rib 16 and the stiffening rod 17 . Fig. 15 is a structural schematic diagram 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a stiffening rib 16, a stiffening rod 17 and a reinforcing rib 18 are arranged in the closed cavity of the cavity formwork member, and at the same time, the stiffening rib 16 and the stiffening rod 17 are partially exposed in the cavity outside the mold.

The present invention is also characterized in that a lightweight material 19 is arranged in the closed cavity of the cavity formwork member. 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. A convex module 5 is arranged on the wall 2, and a light material 19 is arranged in the closed cavity of the cavity formwork, and the light material 19 shown in the figure is expanded perlite.

The present invention is also characterized in that at least one of the upper plate 1 or the side wall 2 is a detachable movable part. 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and its upper plate 1 is a detachable movable fastening cover plate.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate 1 , the surrounding side walls 2 and the pick plate 4 is corrugated, zigzag, brushed or rough. 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, the upper plate 1 of which is a brushed outer surface, and the pick plate 4 is a rough surface.

The present invention is also characterized in that a positioning member 20 is arranged on the cavity formwork member. 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a positioning member 20 is arranged on the cavity formwork member thereof, and the positioning member 20 is a supporting positioning foot block as shown in the figure.

The present invention is also characterized in that the cavity formwork components are provided with connecting pieces 21 for connecting the cavity formwork components with each other. 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 bottom 3 enclose a polyhedral cavity formwork member, and the lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4, and the surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of connecting pieces 21 are arranged on its cavity formwork member, and the connecting pieces 21 in the figure are braced rods.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through the pick plate 4, and an inner rib cavity 22 is formed between the cavity formwork components. 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of cavity formwork components of the cavity formwork components are connected as a whole through the pick plate 4, and an inner rib cavity 22 is formed between the cavity formwork components.

The present invention is also characterized in that the inner rib mold cavity 22 is provided with a fixed or movable brace 23 . 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 lower bottom 3 protrudes from the surrounding side walls 2 to form a pick plate 4. The surrounding sides A convex module 5 is arranged on the wall 2, and a plurality of cavity formwork components are connected as a whole through the pick plate 4, and an inner rib cavity 22 is formed between the cavity formwork components, and a brace mold cavity 22 is provided in the inner rib cavity 22. Part 23, the drawing part 23 is a support rod part and a cable part.

During the implementation of the present invention, cement binder and glass fiber mesh cloth or steel wire mesh can be used to form a multilayer structure of one layer of cement binder, one layer of glass fiber mesh cloth and one layer of binder in the mould. The surrounding side wall 2 of the cavity formwork member with the opening of the convex module 5 is demoulded and cured to the specified age to obtain the open cavity formwork member. Then, the lower bottom 3 is made in the lower bottom mould, and the lower bottom The slurry of 3 can adopt cement mortar or cement concrete, also can place reinforcement 9 such as steel bar or steel mesh in lower bottom 3, before the slurry of lower bottom 3 solidifies and hardens, the opening of the opening cavity formwork member that makes in advance The side and the lower bottom 3 are bonded into a whole, and the lower bottom 3 is demoulded after solidification and hardening, and after curing to the specified age, the cavity formwork member for cast-in-situ concrete with the convex modules 5 on the surrounding side walls 2 is obtained.

Claims (21)

1, a kind of cast-in-place concrete hollow-cavity mould 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, (3) sidewall (2) around at least one of going to the bottom stretches out and constitutes bridging piece (4), it is characterized in that around at least one of cavity former component that sidewall (2) or upper plate (1) or both are provided with at least one convex module (5), (3) and the template (6) of going to the bottom is superimposed, constitutes superimposed going to the bottom jointly.

2, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that described upper plate (1) or sidewall (2) or bridging piece (4) are provided with the carrying part (7) of convenient carrying on every side.

3, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1, it is characterized in that described going to the bottom (3) stretch out bridging piece (4) from the adjacent both sides of sidewall (2) on every side and constitute L shaped bridging piece, perhaps go to the bottom (3) all stretch out the annular bridging piece in bridging piece (4) formation side around sidewall (2) on every side.

4, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that at least one side of described upper plate (1) is extended with bridging piece (4).

5, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that at least one convex module (5) all being arranged on all sidewalls (2) around described.

6, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that describedly constituting groove (8) between a plurality of convex modules (5) of sidewall (2) around same.

7, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that the integral body that described convex module (5) and cavity former component are formed in one.

8, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1 is characterized in that described convex module (5) and cavity former component are the body formed fixed or movable whole member that connects into of branch.

9, a kind of cast-in-place concrete hollow-cavity mould component according to claim 1, it is characterized in that described upper plate (1), contain reinforce (9) at least one of sidewall (2), go to the bottom (3), bridging piece (4), convex module (5) on every side, perhaps have reinforce (9) to expose.

10, a kind of cast-in-place concrete hollow-cavity mould component according to claim 9, it is characterized in that having in the described sidewall (2) reinforce (9) to stretch into and be anchored at going to the bottom (3) or bridging piece (4) in, have reinforce (9) to stretch into and be anchored in the sidewall (2) in perhaps go to the bottom (3) or the bridging piece (4).

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

12,, it is characterized in that also being provided with on the described cavity former component at least one in groove (8), inner corner trim (10), chamfering (11), pit (12), hole (13), raised line (14), the external corner (15) according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

13, a kind of cast-in-place concrete hollow-cavity mould component according to claim 12 is characterized in that described groove (8), inner corner trim (10), chamfering (11), raised line (14) self or is parallel, quadrature, oblique or grade separation setting mutually.

14, 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 being provided with in the enclosed cavity of described cavity former component at least one in stiffening rib (16), bracing boom (17), the reinforcing rib (18), perhaps have in stiffening rib (16), the bracing boom (17) at least one to expose outside the cavity former component, perhaps stiffening rib (16), bracing boom (17) are gone up and are also had reinforce (9) to expose.

15,, it is characterized in that being provided with light material (19) in the enclosed cavity of described cavity former component according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

16,, it is characterized in that in described upper plate (1) or the sidewall (2) at least one is for dismountable movable part according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

17,, it is characterized in that described upper plate (1), at least one in the external surface of sidewall (2), bridging piece (4) is corrugated, zigzag, plucking shape or exasperate external surface on every side according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

18,, it is characterized in that described cavity former component is provided with align member (20) according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

19,, it is characterized in that described cavity former component is provided with connector connected to one another (21) between the cavity former component according to the described a kind of cast-in-place concrete hollow-cavity mould component of arbitrary claim in the claim 1 to 10.

20, 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 at least two above cavity former components are connected as one by bridging piece (4), constitute internal-rib die cavity (22) between the cavity former component.

21, a kind of cast-in-place concrete hollow-cavity mould component according to claim 20 is characterized in that being provided with in the described internal-rib die cavity (22) fixed or movable support draw piece (23).

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