CN1576489A - A cavity component for cast-in-place concrete molding - Google Patents

Abstract

A cavity member for cast-in-place concrete molding comprises an upper plate (1), peripheral side walls (2) and a lower bottom (3), wherein the upper plate (1), the peripheral side walls (2) and the lower bottom (3) enclose a polyhedral cavity member, and the cavity member is characterized in that at least one groove (4) is arranged between the peripheral side walls (2) and the lower bottom (3), and at least one convex module (5) is arranged on at least one peripheral side wall (2) or the upper plate (1) or both of the cavity member. Thus, after the cavity member is used in-situ cast hollow floor slab, the in-situ cast concrete rib between the cavity members forms inverse T-shaped rib to improve the mechanical performance of the floor slab greatly, and the raised modules set on the side wall and the upper plate can further pump out reinforced concrete in the floor slab.

Description

A cavity component for cast-in-place concrete molding

(1) Technical field

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

(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. 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 component, in order to effectively prevent and disperse mold The stress concentration between the shell and the cast-in-place concrete eliminates linear cracks, makes the bond between the lower bottom and the cast-in-place concrete better, and improves the overall performance. The peripheral side of the lower bottom can be made into a concave angle or an inverted cone shape , wavy, sawtooth-shaped surface. These cavity components disclosed above are applied in densely ribbed slabs. They are not only formwork components but also prefabricated filling components. They have simple structure, high strength, excellent deformation resistance and vibration resistance, Easy to manufacture, low cost, etc. However, after being applied to the hollow floor, the cast-in-place concrete ribs formed between the cavity components are all rectangular cast-in-place concrete ribs, and their mechanical performance is not very reasonable, and it is often necessary to increase the cast-in-place concrete ribs. The cross-sectional size of the concrete rib increases the amount of steel bars and concrete, and increases the cost of the floor. Therefore, it is urgent to develop a new type of cavity member for cast-in-place concrete molding.

(3) Contents of the invention

The purpose of the present invention is to provide a cavity component for cast-in-place concrete molding, which has the characteristics 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, and convenient construction.

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 member, which is characterized in that the surrounding side walls At least one groove is provided between the lower base and at least one male module on at least one surrounding side wall or upper plate or both of the cavity member. In this way, since the groove is provided between the side wall and the lower bottom, after the cavity member is applied to the cast-in-place concrete hollow floor, especially the ribbed floor, the cast-in-place concrete rib between the cavity members forms an inverted structure. The cross-sectional shape of the T-shaped rib 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 rib, reduce the amount of steel bars and concrete, and reduce the cost of the floor; at the same time, due to The surrounding side walls or upper plates of the cavity components are provided with convex modules, which can further evacuate the reinforced concrete in the floor, reduce the weight of the floor, and reduce the cost of the floor, so the seismic performance of the floor is further improved, and the mechanical properties Further improvement; In addition, the cavity member also has the characteristics of simple structure, high strength, excellent deformation resistance, anti-vibration performance, easy manufacture, low cost, convenient construction, fast construction speed, etc., thereby achieving the purpose of the present invention, suitable for current It is suitable for hollow floors, roofs, walls, foundation slabs and hollow bridges of poured reinforced concrete or prestressed reinforced concrete, especially for hollow beamless floors.

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 component is applied to the cast-in-place concrete floor, its convex module will evacuate the concrete on the cast-in-place concrete rib between the cavity components, further reducing the amount of concrete, reducing the weight of the floor, and improving The seismic performance of the floor is improved, and the comprehensive mechanical properties of the floor are improved.

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 component is applied to the cast-in-place concrete floor, its plurality of convex modules will evacuate the unstressed concrete on the cast-in-place concrete rib between the cavity components, reducing the amount of concrete and lightening the floor. At the same time, 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 structure of the floor.

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

The present invention is also characterized in that the male module and the cavity member are integrally molded and fixed or movably connected. In this way, according to design requirements and construction needs, when the cavity member is applied to the cast-in-place concrete floor, the convex module 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 said upper plate, surrounding side walls, lower bottom, and male modules contains reinforcements, or has reinforcements exposed. The reinforcement is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber grid 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, surrounding side walls or lower bottom, which greatly improves the strength and rigidity of the upper plate, surrounding side walls and lower bottom, and makes the cavity components not easily damaged during stacking, transportation, installation and construction. , even if there is a small area of damage, because of the connection of the reinforcement, it does not need to be repaired and can continue to be put into use. If there are reinforcements on the cavity component exposed outside the cavity component, when the cavity component is applied to the cast-in-place concrete hollow floor, the exposed reinforcement can be combined with the cast-in-place concrete, which can greatly improve the connection between the cast-in-place concrete and the cavity. The gripping force between the cavity components optimizes 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 components are transported.

The present invention is also characterized in that the groove wall of the groove provided between the side wall and the lower bottom has reinforcements extending into and anchored in the lower bottom. In this way, there are reinforcements in the groove wall extending into and anchored in the lower bottom, thus greatly improving the connection strength between the groove wall and the lower bottom, which can effectively ensure that the cavity member is transported, installed, and constructed. There is no cracking, no loosening, and no falling off between the groove wall and the lower bottom of the groove, which greatly reduces the damage rate of the cavity component.

The present invention is also characterized in that grooves are arranged around the side wall between the side wall and the bottom. In this way, when the cavity components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the grooves arranged around the side walls, and the cast-in-place concrete ribs between the cavity components form inverted T-shaped ribs, which greatly improves the At the same time, the cavity components are firmly contained in the cast-in-place concrete, which greatly reduces the generation of cracks between the cast-in-place concrete and the prefabricated cavity components, and improves the comprehensive performance of the floor.

The present invention is also characterized in that the grooves are orthogonal to each other and form square grooves. In this way, the grooves are orthogonal to each other and are arranged in a square shape. When the cavity components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the square annular grooves, and the cast-in-place concrete ribs between the cavity components form an inverted T shape. The rib structure greatly improves the mechanical properties of the floor, so that when the floor is under load, the stress can be evenly and stably transmitted to the beam-column structure.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral cavity member is a rectangle, a square, a polygon, an arc-angled polygon, a chamfered polygon or a circle. In this way, the diversification of the shape of the polyhedral cavity component makes the cavity component applied to the cast-in-place concrete floor, and correspondingly forms various cast-in-place concrete structures of different shapes, so that the structure of the cast-in-place concrete hollow floor is more stable. Reasonable and convenient for design and construction units to choose.

The present invention is also characterized in that the cross-sectional shape of the groove is square, rectangular, trapezoidal, U-shaped, V-shaped, stepped or semicircular. In this way, when the cavity component is applied to the cast-in-place concrete floor, after the cast-in-place concrete is poured into grooves of various shapes, a cast-in-place concrete structure with the same cross-sectional shape is formed correspondingly, which can fully meet various designs and requirements. The application needs greatly expand the application range of the cavity component, which is convenient for popularization and application in various occasions.

The present invention is also characterized in that one end of the groove is on the lower bottom, and the other end gradually rises upward or the width of the groove increases. In this way, when the cavity components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the groove, and a cast-in-place concrete structure that gradually rises and increases or gradually widens is formed correspondingly, which can meet the needs of different stress-bearing parts in the floor. It is especially suitable for strengthening the vicinity of hidden beams or exposed beams or structural columns, making the floor structure more perfect and reasonable. At the same time, it is also suitable for use as an end cavity component when prestressed tendons are set in cast-in-place concrete ribs.

The present invention is also characterized in that the grooves are variable width grooves or variable depth grooves. In this way, when the cavity component is applied to the cast-in-place concrete floor, after the cast-in-place concrete is poured into the groove with variable width or depth, the cast-in-place concrete reinforcing rib with a gradually changing width or variable height consistent with the shape of the groove is formed. , which can meet the structural conversion and force transmission requirements of various stress-bearing parts in the floor very conveniently and concisely.

The invention is also characterized in that said lower base projects beyond the surrounding side walls of the cavity member. In this way, when the cavity component is applied to the cast-in-place concrete floor, the part protruding from the cavity component at the bottom can be used instead of the engineering formwork, which reduces the loss of the formwork and the production cost of the floor. The installation process of the formwork greatly improves the construction speed and reduces the construction cost.

The present invention is also characterized in that at least one of grooves, inner corners, chamfers, pits, holes, convex modules, convex lines, and outer corners is provided on other parts of the cavity member. In this way, when the cavity component is applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the groove, inner corner, chamfer, pit, and hole, and a local cast-in-place concrete reinforcement structure can be formed accordingly; The set boss modules, protruding strips and external corners 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 component is applied to the cast-in-place concrete floor, the grooves, inner corners, chamfers, and convex lines on the cavity component are arranged in parallel, orthogonal, oblique or overpass, and after pouring concrete, Correspondingly, parallel, orthogonal, oblique or overpass cast-in-place concrete reinforcement structures are 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 member, or at least one of the stiffening ribs and stiffening rods is exposed outside the cavity member, or There are also reinforcements exposed on the stiffeners and stiffeners. In this way, when the cavity components are applied to the cast-in-place concrete floor, the stiffeners, stiffeners, stiffeners or exposed stiffeners and stiffeners set in the cavity components can form a combination of cast-in-place and prefabrication with cast-in-place concrete. The composite structure optimizes the internal stress system of the cast-in-place concrete floor. If there are reinforcements exposed thereon, the cavity component 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 member. In this way, the impact resistance of the cavity component 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 components have better sound insulation, heat insulation, and heat preservation properties; lightweight materials can be foamed plastics, expanded perlite, expanded vermiculite, foamed or aerated lightweight concrete, rock wool, mineral wool, Glass wool, ceramsite or ceramsite concrete, etc., the variety of lightweight materials makes it easy to obtain nearby materials during production and reduce 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 member at any time, and at the same time, it is also possible to fill part or all of the light material inside the cavity member at any time, or install other components inside the cavity member, such as junction boxes, water and electricity pipelines, fire sprinklers, etc. Nozzle etc.

The present invention is also characterized in that the cavity member is provided with a positioning 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 component is applied to the cast-in-place concrete floor, the cavity component can be accurately positioned to prevent the cavity component from floating and shifting during pouring of concrete, and the pouring quality of the floor can be effectively guaranteed.

The present invention is also characterized in that the cavity components are provided with connectors that are connected and positioned between the cavity components. 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 components are applied to the cast-in-place concrete floor, the connectors provided on the cavity components can effectively and reliably control the distance between the cavity components, control the width and height of the cast-in-place concrete ribs, and ensure that the floor The pouring quality of the internal structure; at the same time, it is also conducive to the connection and positioning of the cavity components and speeds up the construction.

The present invention is also characterized in that a plurality of basin-shaped components constituted by the upper plate and surrounding side walls are arranged at intervals on the lower bottom, and the basin-shaped components form an inner rib mold cavity between each other. In this way, when the cavity component is applied to the cast-in-place concrete floor, the cast-in-place concrete enters the inner rib cavity between the basin-shaped members, forming the cast-in-place concrete inner rib, which improves the mechanical properties of the floor; at the same time, the lower A plurality of basin-shaped components are arranged on the bottom to form a basin-shaped formwork assembly, thereby greatly improving the construction efficiency and construction speed of the floor.

The present invention is also characterized in that spacer braces are arranged in the cavity of the inner rib. Spacer braces can be rods, cables, plates, tendons, wires, thin strips, piers, blocks, etc., and they can be movable or detachable spacer braces, or fixed spacer braces . In this way, when the cavity component is applied to the cast-in-place concrete floor, the installation and construction speed is fast, the work efficiency is high, and the construction speed of the floor can be greatly improved, and at the same time, the damage rate of the cavity component is low.

The present invention is also characterized in that the plurality of cavity components are connected by spacer braces to form a group assembly. In this way, spacer braces are arranged in the mold cavity of the inner rib, and the spacer braces play a role of reinforcement. During the process of handling, stacking, transportation, installation, and construction, the cavity components are not easy to crack, break or damage; The cavity member is a group assembly, which facilitates the construction of the floor, is beneficial to speeding up the construction speed of the floor, and improves the construction efficiency.

The present invention is also characterized in that said lower bottom contains prestressed ribs or prestressed thin strips. In this way, the strength of the bottom plate provided with prestressed ribs or prestressed thin strips has been greatly improved, making it difficult to break in various processes of application, greatly reducing the damage rate of cavity components and reducing the damage of cavity components. the cost of.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the lower bottom, 4 is the groove, and 5 is the 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 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and at the same time, between the surrounding side walls 2 and the lower bottom 3 A convex module 5 is arranged on the upper plate 1 .

Fig. 2 is a schematic structural view of Embodiment 2 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A male module 5 is provided on all the side walls 2 around the cavity member.

Fig. 3 is a schematic structural view of Embodiment 3 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, which are the same A plurality of convex modules 5 are arranged on the surrounding side wall 2 , and the convex modules 5 are arranged at intervals to form grooves 4 .

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A convex module 5 is arranged on the side wall 2 and the upper plate 1, and the convex module 5 and the cavity component are integrally formed integral components.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The side wall 2 and the upper plate 1 are provided with a convex module 5, and the convex module 5 provided on the upper plate 1 is a component formed separately and connected with a cavity component for a movement.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A convex module 5 is arranged on the side wall 2, and reinforcements 6 are arranged in the upper plate 1, the surrounding side walls 2 and the convex module 5, and the reinforcement 6 shown in the figure is a fiber mesh cloth.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The board 1 is provided with a convex module 5, the upper board 1 and the surrounding side walls 2 are provided with reinforcements 6, and at the same time, the reinforcements 6 are inserted into the groove wall 1 of the groove 4 and anchored in the lower bottom 3, The illustrated reinforcements 6 are fiber mesh and thin strips, respectively.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and its side Between the wall 2 and the lower bottom 3 , grooves 4 are provided along the surrounding sides between the side walls 2 .

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The polyhedral The horizontal section shape of the cavity member is a quadrilateral with arc corners.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The cross-sectional shape of the groove 4 is an open trapezoid.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. One end of the groove 4 is on the bottom 3, and the other end gradually rises upwards.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and the concave Groove 4 is a variable width and variable depth groove.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The bottom 3 protrudes beyond the surrounding side walls 2 of the cavity 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Other parts of the cavity member are also provided with internal corners 7 , pits 9 and male corners 12 .

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Internal corners 7 , chamfers 8 , holes 10 and convex strips 11 are also provided on other parts of the cavity 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Stiffening ribs 13, stiffening rods 14 and reinforcing ribs 15 are also provided in the closed cavity of the cavity member, and some of the stiffening ribs 13 and stiffening rods 14 are exposed outside the cavity member.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The closed cavity of the cavity member is completely filled with lightweight material 16, and the light material 16 shown in the figure is expanded perlite.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, on which Board 1 is a movable and detachable snap-fit cover.

Fig. 19 is a structural schematic diagram 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and the hollow A plurality of positioning members 17 are arranged on the cavity member at the same time, and the positioning members 17 shown in the figure are positioning pull rings.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The cavity component is also provided with a plurality of connecting pieces 18 for connection and positioning of the cavity components. The connecting piece 18 is a rod in the figure.

Fig. 21 is a schematic structural view of Embodiment 21 of the present invention. The lower bottom 3 is provided with a plurality of basin-shaped members 19 enclosed by the upper plate 1 and the surrounding side walls 2. The basin-shaped members 19 are alternately arranged on the lower bottom 3. , forming a plurality of inner rib cavity 20, and the exposed steel wire reinforcement 6 can be used as a handle for transportation.

Fig. 22 is a schematic structural view of Embodiment 22 of the present invention. The lower bottom 3 is provided with a plurality of basin-shaped members 19 enclosed by the upper plate 1 and the surrounding side walls 2. The basin-shaped members 19 are arranged alternately on the lower bottom 3. , form a plurality of inner rib mold cavities 20, and a plurality of spacer braces 21 are arranged in the inner rib mold cavities 20, and the spacer braces 21 are shown as rods and cables.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The three cavity members are connected by spacer braces 21 to form a group assembly.

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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The bottom 3 is provided with prestressed tendons 22 and prestressed thin strips 23 at the same time.

(5) Specific implementation methods

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

As shown in the 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 member, which is characterized in that the surrounding side walls Between 2 and the lower base 3 there is at least one groove 4 and at least one male module 5 on at least one surrounding side wall 2 or upper plate 1 or both of the cavity member. Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the lower bottom, 4 is the groove, and 5 is the 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 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and at the same time, between the surrounding side walls 2 and the lower bottom 3 A convex module 5 is arranged on the upper plate 1 .

The present invention is also characterized in that there is at least one male module 5 on all the side walls 2 around. Fig. 2 is a schematic structural view of Embodiment 2 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A male module 5 is provided on all the side walls 2 around the cavity member.

The invention is also characterized in that grooves 4 are formed between the plurality of male modules 5 of the same peripheral side wall 2 as described. Fig. 3 is a schematic structural view of Embodiment 3 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, which are the same A plurality of convex modules 5 are arranged on the surrounding side wall 2 , and the convex modules 5 are arranged at intervals to form grooves 4 .

The present invention is also characterized in that the male module 5 and the cavity member are integrally formed as a whole. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A convex module 5 is arranged on the side wall 2 and the upper plate 1, and the convex module 5 and the cavity component are integrally formed integral components.

The present invention is also characterized in that the male module 5 and the cavity member are separately molded and fixed or movably connected as a whole. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The side wall 2 and the upper plate 1 are provided with a convex module 5, and the convex module 5 provided on the upper plate 1 is a component formed separately and connected with a cavity component for a movement.

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 , and the convex module 5 contains reinforcements 6 or has reinforcements 6 exposed. The reinforcement 6 is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, packing tape, and braided tape. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. A convex module 5 is arranged on the side wall 2, and reinforcements 6 are arranged in the upper plate 1, the surrounding side walls 2 and the convex module 5, and the reinforcement 6 shown in the figure is a fiber mesh cloth.

The present invention is also characterized in that the groove wall of the groove 4 provided between the side wall 2 and the lower bottom 3 has reinforcements 6 protruding into and anchored in the lower bottom 3 . 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The board 1 is provided with a convex module 5, the upper board 1 and the surrounding side walls 2 are provided with reinforcements 6, and at the same time, the reinforcements 6 are inserted into the groove wall 1 of the groove 4 and anchored in the lower bottom 3, The illustrated reinforcements 6 are fiber mesh and thin strips, respectively.

The present invention is also characterized in that grooves 4 are arranged around the side wall 2 between the side wall 2 and the bottom 3 . Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and its side Between the wall 2 and the lower bottom 3 , grooves 4 are provided along the surrounding sides between the side walls 2 .

The present invention is also characterized in that the grooves 4 are orthogonal to each other and form square grooves. As shown in Figure 8, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side wall 2 and the lower bottom 3, and the grooves 4 are orthogonal to each other. Square groove.

The present invention is also characterized in that the horizontal cross-sectional shape of the polyhedral cavity member is a rectangle, a square, a polygon, an arc-angled polygon, a chamfered polygon or a circle. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The polyhedral The horizontal section shape of the cavity member is a quadrilateral with arc corners.

The present invention is also characterized in that the cross-sectional shape of the groove 4 is square, rectangular, trapezoidal, U-shaped, V-shaped, stepped or semicircular. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The cross-sectional shape of the groove 4 is an open trapezoid.

The present invention is also characterized in that one end of the groove 4 is on the lower bottom 3, and the other end gradually rises upward or the width of the groove 4 increases. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. One end of the groove 4 is on the bottom 3, and the other end gradually rises upwards.

The present invention is also characterized in that the groove 4 is a variable width groove or a variable depth groove. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and the concave Groove 4 is a variable width and variable depth groove.

The invention is also characterized in that said lower base 3 protrudes beyond the surrounding side walls 2 of the cavity 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The bottom 3 protrudes beyond the surrounding side walls 2 of the cavity member.

The present invention is also characterized in that grooves 4, internal corners 7, chamfers 8, pits 9, holes 10, convex modules 5, convex strips 11, and external corners 12 are provided on other parts of the cavity member. at least one of the . 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Other parts of the cavity member are also provided with internal corners 7 , pits 9 and male corners 12 . 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Internal corners 7 , chamfers 8 , holes 10 and convex strips 11 are also provided on other parts of the cavity member.

The present invention is also characterized in that the grooves 4 , internal corners 7 , chamfers 8 , and convex strips 11 are arranged in parallel, orthogonal, oblique or vertical intersections. As shown in Figure 15, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity member, and a groove 4 is arranged between the surrounding side wall 2 and the lower bottom 3, and its inner corner 7 and chamfer 8 1. The convex strips 11 themselves or each other are arranged in parallel, orthogonal, oblique or vertical intersection.

The present invention is also characterized in that at least one of the stiffening rib 13, the stiffening rod 14, and the reinforcing rib 15 is arranged in the closed cavity of the cavity member, or at least one of the stiffening rib 13 and the stiffening rod 14 is exposed in the hollow space. There are reinforcements 6 exposed outside the cavity member, or on the stiffening ribs 13 and the stiffening rods 14 . 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. Stiffening ribs 13, stiffening rods 14 and reinforcing ribs 15 are also provided in the closed cavity of the cavity member, and some of the stiffening ribs 13 and stiffening rods 14 are exposed outside the cavity member.

The present invention is also characterized in that a lightweight material 16 is arranged in the closed cavity of the cavity member. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The closed cavity of the cavity member is completely filled with lightweight material 16, and the light material 16 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. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, on which Board 1 is a movable and detachable snap-fit cover.

The present invention is also characterized in that the cavity member is provided with a positioning member 17 . Fig. 19 is a structural schematic diagram 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3, and the hollow A plurality of positioning members 17 are arranged on the cavity member at the same time, and the positioning members 17 shown in the figure are positioning pull rings.

The present invention is also characterized in that the cavity components are provided with connecting pieces 18 that are connected and positioned between the cavity components. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The cavity component is also provided with a plurality of connecting pieces 18 for connection and positioning of the cavity components. The connecting piece 18 is a rod in the figure.

The present invention is also characterized in that a plurality of basin-shaped members 19 constituted by the upper plate 1 and the surrounding side walls 2 are arranged at intervals on the lower bottom 3 , and the inner rib cavity 20 is formed between the basin-shaped members 19 . Fig. 21 is a schematic structural view of Embodiment 21 of the present invention. The lower bottom 3 is provided with a plurality of basin-shaped members 19 enclosed by the upper plate 1 and the surrounding side walls 2. The basin-shaped members 19 are alternately arranged on the lower bottom 3. , forming a plurality of inner rib cavity 20, and the exposed steel wire reinforcement 6 can be used as a handle for transportation.

The present invention is also characterized in that spacer braces 21 are arranged in the inner rib cavity 20 . Fig. 22 is a schematic structural view of Embodiment 22 of the present invention. The lower bottom 3 is provided with a plurality of basin-shaped members 19 enclosed by the upper plate 1 and the surrounding side walls 2. The basin-shaped members 19 are arranged alternately on the lower bottom 3. , form a plurality of inner rib mold cavities 20, and a plurality of spacer braces 21 are arranged in the inner rib mold cavities 20, and the spacer braces 21 are shown as rods and cables.

The present invention is also characterized in that the plurality of cavity components are connected by spacer braces 21 to form a group assembly. 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The three cavity members are connected by spacer braces 21 to form a group assembly.

The present invention is also characterized in that said lower bottom 3 contains prestressed ribs 22 or prestressed thin strips 23 . 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 member, and a groove 4 is arranged between the surrounding side walls 2 and the lower bottom 3. The bottom 3 is provided with prestressed tendons 22 and prestressed thin strips 23 at the same time.

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. At least one opening edge of the surrounding side wall 2 with a convex module 5 is concaved inward towards the center, and the cavity member is demoulded and cured to a specified age, that is, the opening edge of the surrounding side wall 2 with a convex module 5 is concaved. Then, make the lower bottom 3 in the lower bottom mold, the slurry of the lower bottom 3 can be cement mortar or cement concrete, and reinforcements 6 such as steel bars or steel wire mesh can also be placed in the lower bottom 3, and the lower bottom 3 3. Before the slurry solidifies and hardens, the opening edge of the prefabricated open cavity component is bonded to the lower bottom 3 to form a whole. After the lower bottom 3 solidifies and hardens, it is demoulded, and after curing to the specified age, the cast-in-place concrete is obtained. Cavity member for molding.

Claims (25)

1, a kind of molding hollow component in use for filling in concrete in site, 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 structural member on every side, it is characterized in that described around sidewall (2) be provided with at least one groove (4) between (3) with going to the bottom, on sidewall (2) or upper plate (1) or both at least one convex module (5) is arranged on every side at least one of Cavity structural member.

2, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that at least one convex module (5) all being arranged on all sidewalls (2) around described.

3, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that describedly constituting groove (4) between a plurality of convex modules (5) of sidewall (2) around same.

4, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that the integral body that described convex module (5) and Cavity structural member are formed in one.

5, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that described convex module (5) and Cavity structural member are the body formed fixed or movable whole member that connects into of branch.

6, a kind of molding hollow component in use for filling in concrete in site according to claim 1 is characterized in that described upper plate (1), contains reinforce (6) at least one of sidewall (2), go to the bottom (3), convex module (5) on every side, perhaps has reinforce (6) to expose.

7, a kind of molding hollow component in use for filling in concrete in site according to claim 6 is characterized in that described sidewall (2) and the cell wall of the groove (4) that is provided with of going to the bottom between (3) has reinforce (6) to stretch into and be anchored to go to the bottom in (3).

8, a kind of molding hollow component in use for filling in concrete in site according to claim 7 is characterized in that described sidewall (2) and goes to the bottom all being set to groove (4) between (3) around sidewall (2).

9, a kind of molding hollow component in use for filling in concrete in site according to claim 8 is characterized in that the orthogonal groove that is square of described groove (4).

10,, it is characterized in that the horizontal profile of described polyhedron Cavity structural member is shaped as rectangle, square, polygon, arc angle polygon, chamfering polygon or circle according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

11, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, the cross sectional shape that it is characterized in that described groove (4) is that square opening, opening rectangle, opening are trapezoidal, U-shaped, V-arrangement, stairstepping or semicircle.

12, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, it is characterized in that described groove (4) one ends on go to the bottom (3), the other end upwards edges up or groove (4) width increases.

13,, it is characterized in that described groove (4) is degree of broadening groove or degree of deepening groove according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

14, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, it is characterized in that described going to the bottom (3) stretch out Cavity structural member around outside the sidewall (2).

15, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, other position that it is characterized in that described Cavity structural member is provided with at least one in groove (4), inner corner trim (7), chamfering (8), pit (9), hole (10), convex module (5), raised line (11), the external corner (12).

16, a kind of molding hollow component in use for filling in concrete in site according to claim 15 is characterized in that described groove (4), inner corner trim (7), chamfering (8), raised line (11) self or is parallel, quadrature, oblique or grade separation setting mutually.

17, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, it is characterized in that being provided with in the enclosed cavity of described Cavity structural member at least one in stiffening rib (13), bracing boom (14), the reinforcing rib (15), perhaps have in stiffening rib (13), the bracing boom (14) at least one to expose outside the Cavity structural member, perhaps stiffening rib (13), bracing boom (14) are gone up and are also had reinforce (6) to expose.

18,, it is characterized in that being provided with light material (16) in the enclosed cavity of described Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

19,, 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 molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

20,, it is characterized in that described Cavity structural member is provided with align member (17) according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

21,, it is characterized in that described Cavity structural member is provided with the connector (18) of the location that is connected to each other between the Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

22, according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9, it is a plurality of to it is characterized in that basin-shaped component (19) that described upper plate (1) and sidewall (2) are on every side constituted is arranged at intervals with on go to the bottom (3), and basin-shaped component (19) constitutes internal-rib die cavity (20) each other.

23, a kind of molding hollow component in use for filling in concrete in site according to claim 22 is characterized in that being provided with in the described internal-rib die cavity (20) a spacer draw piece (21).

24,, it is characterized in that connecting and composing assembly in groups by a spacer draw piece (21) between described a plurality of Cavity structural member according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

25,, it is characterized in that containing in described the going to the bottom (3) the thin band (23) of presstressed reinforcing steel (22) or prestressing force according to the described a kind of molding hollow component in use for filling in concrete in site of arbitrary claim in the claim 1 to 9.

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