阅读说明：本技术 一种用于空心楼盖的抗浮金属组合芯模 (Anti-floating metal combined core mold for hollow floor ) 是由 谈拥军 于 2019-08-13 设计创作，主要内容包括：本发明公开了一种用于空心楼盖的抗浮金属组合芯模,包括上盖体和下盖体、螺杆,其特征在于,所述上盖体和下盖体承对称结构,所述上盖体位于下盖体上方,所述上盖体和下盖体对接位置均设有紧固边,所述上盖体和下盖体通过焊接紧固边连接成芯模,所述上盖体和下盖体的底面设有加固体,所述上盖体和下盖体侧面设有加固肋条,所述上盖体和下盖体组成的芯模安装有螺杆,所述螺杆一端设有螺母,另一端设有带螺纹的螺杆尖端,所述组合芯模在使用时将螺杆尖端拧入底模板固定,从而达到组合芯模抗浮的目的。本发明具有制作成本低、结构简单、运输方便、便于安装、抗浮性能好的特点。(The invention discloses an anti-floating metal combined core mould for a hollow floor, which comprises an upper cover body, a lower cover body and a screw rod, and is characterized in that the upper cover body and the lower cover body are in a symmetrical structure, the upper cover body is positioned above the lower cover body, the butt joint positions of the upper cover body and the lower cover body are respectively provided with a fastening edge, the upper cover body and the lower cover body are connected into the core mould through welding the fastening edges, the bottom surfaces of the upper cover body and the lower cover body are provided with a reinforcing body, the side surfaces of the upper cover body and the lower cover body are provided with a reinforcing rib, the core mould formed by the upper cover body and the lower cover body is provided with the screw rod, one end of the screw rod is provided with a nut, the other end of the screw rod is provided with a threaded screw rod tip, and the screw. The invention has the characteristics of low manufacturing cost, simple structure, convenient transportation, convenient installation and good anti-floating performance.)

1. An anti-floating metal combined core mould for a hollow floor comprises an upper cover body, a lower cover body and a screw rod, and is characterized in that the upper cover body and the lower cover body are of a symmetrical structure, the upper cover body is positioned above the lower cover body, fastening edges are arranged at the butt joint positions of the upper cover body and the lower cover body, the surfaces, provided with the fastening edges, of the upper cover body and the lower cover body are welded together to form a core mould structure, the core mould structure formed by combining the upper cover body and the lower cover body is of an inner hollow structure, a reinforcing body is arranged between the bottom surfaces of the upper cover body and the lower cover body, a plurality of reinforcing ribs are arranged on the bottom surfaces and the side surfaces of the upper cover body and the lower cover body, the reinforcing ribs of the cover bodies extend from the bottom surface of the upper cover body or the bottom surface of the lower cover body to the side surfaces, the screw rod penetrates through the core mould structure formed by the upper cover body and the, one end of a nut of the screw rod is located on the upper bottom surface of the upper cover body, the tip of the screw rod is located on the lower bottom surface of the lower cover body, a common gasket is arranged at the contact position of the nut and the upper cover body of the screw rod, and a gasket matched with the tip in thread is arranged at the contact position of the tip and the lower cover body of the screw rod.

2. The anti-floating metal combined core mold for the hollow floor as claimed in claim 1, wherein the upper cover body and the lower cover body are of an integrated structure, the bottom surface and the side surface corners of the upper cover body and the lower cover body are arc corners, and the fastening edges, the reinforcing bodies and the reinforcing ribs provided on the upper cover body and the lower cover body are of an integrated structure with the upper cover body or the lower cover body.

3. The anti-floating metal combined core mold for the hollow floor as claimed in claim 1, wherein the size of the bottom surfaces of the upper cover body and the lower cover body is smaller than the size of the surface of the upper cover body and the lower cover body provided with the fastening edge.

4. The anti-floating metal combined core mold for the hollow floor as claimed in claim 1, wherein the number of the screws is at least four, the screws are symmetrically and uniformly installed in the core mold structure composed of the upper cover body and the lower cover body, and the size of the body of the screw is larger than the size of the aperture of the gasket arranged at the tip of the screw.

5. The use method of the anti-floating metal combined core mold for the hollow floor as claimed in any one of claims 1 to 4, wherein the core mold structure composed of the upper cover body and the lower cover body is uniformly placed on the floor bottom surface stress bar after the floor bottom surface stress bar is laid, the core mold structure composed of the upper cover body and the lower cover body is fixed by screwing a screw into a wood mold plate at the lower layer of the floor bottom surface stress bar when the core mold structure is placed on the floor bottom surface stress bar, the screw is fixed when the screw is screwed to the maximum value, and then the floor surface layer stress bar is laid.

Technical Field

The invention relates to the field of building materials, in particular to an anti-floating metal combined core mold for a hollow floor and a using method thereof.

Background

Cast-in-place reinforced concrete hollow floor systems are commonly used for floors with large span of building structures at the present stage, the cost is saved on the premise of ensuring the structural stability, and the bearing load of building columns and base layers is reduced. The floor slab used for cast-in-place reinforced concrete hollow floor slab at present comprises non-metallic materials and metallic materials, the production cost of the non-metallic materials is lower than that of the metallic materials when the non-metallic materials are used as the filling materials of the hollow floor slab, the conditions of the strength, the corrosion resistance and the like of the non-metallic materials are lower than those of the metallic materials, the production cost of the metallic materials is relatively higher, and the floor slab has the advantages of high strength, good corrosion resistance and the like when the floor slab is used for cast-in-place reinforced concrete hollow floor slab. Most of the non-metal materials are integrated structural members, the metal materials are assembled structural members, the hollow floor members of both non-metal materials and metal materials are internal hollow structures, the non-metal materials of the integrated structural members are relatively high in transportation cost, the installation cost is relatively low, the metal materials of the assembled structural members are relatively low in transportation cost and relatively high in installation cost, when the hollow floor made of the metal materials and the non-metal materials are used as the cast-in-place concrete hollow floor, the cast-in-place concrete enables the filling body used as the hollow floor to generate buoyancy, corresponding measures are needed to be taken to make anti-floating measures on the filling materials of the metal materials or the non-metal materials, because the bottom formwork is installed before the cast-in-place concrete, the anti-floating measures on the filling materials are difficult, the common modes include that the filling materials are tied on bottom stress ribs, the bottom formwork is perforated, then the filling materials are, not only the anti-floating measure cost of the filling material is higher, but also the bottom stress rib is influenced to a certain degree.

Disclosure of Invention

The invention provides a metal combined core mould with lower production cost, high strength and good anti-floating effect, aiming at the defects of high production cost, low strength and poor anti-floating measure of the filling material for the cast-in-place reinforced concrete hollow floor slab provided by the background technology.

The invention adopts the following technical scheme:

an anti-floating metal combined core mould for a hollow floor and a using method thereof are disclosed, which comprises an upper cover body, a lower cover body and a screw rod, and is characterized in that the upper cover body and the lower cover body are symmetrically structured, the upper cover body is positioned above the lower cover body, the abutting positions of the upper cover body and the lower cover body are respectively provided with a fastening edge, one surfaces of the upper cover body and the lower cover body provided with the fastening edges are welded together to form a core mould structure, the core mould structure formed by combining the upper cover body and the lower cover body is an inner hollow structure, a reinforcing body is arranged in the middle of the bottom surfaces of the upper cover body and the lower cover body, the bottom surfaces and the side surfaces of the upper cover body and the lower cover body are respectively provided with a plurality of reinforcing ribs, the reinforcing ribs of the cover body extend from the bottom surface of the upper cover body or the lower cover body to the side surfaces, the screw rod penetrates through the core mould structure formed by the upper cover body, one end of a nut of the screw rod is located on the upper bottom surface of the upper cover body, the tip of the screw rod is located on the lower bottom surface of the lower cover body, a common gasket is arranged at the contact position of the nut and the upper cover body of the screw rod, and a gasket matched with the tip in thread is arranged at the contact position of the tip and the lower cover body of the screw rod.

Furthermore, the upper cover body and the lower cover body are of an integrated structure, the bottom surfaces and the side corner positions of the upper cover body and the lower cover body are arc-shaped corners, and the fastening edges, the reinforcing bodies and the reinforcing ribs which are arranged on the upper cover body and the lower cover body are integrated with the upper cover body or the lower cover body.

Still further, it is characterized in that the sizes of the bottom surfaces of the upper cover body and the lower cover body are smaller than the size of the surface of the upper cover body and the surface of the lower cover body, which is provided with the fastening edge.

The screw rod is further characterized by comprising at least four screw rods, the screw rods are symmetrically and uniformly arranged in a core mold structure consisting of an upper cover body and a lower cover body, and the rod body size of each screw rod is larger than the aperture size of a gasket arranged at the tip of each screw rod.

The invention also provides a use method of the anti-floating metal combined core mould for the hollow floor, which is characterized in that the core mould structure consisting of the upper cover body and the lower cover body is uniformly arranged on the floor bottom stress rib after the floor bottom stress rib is laid, the core mould structure consisting of the upper cover body and the lower cover body is fixed by screwing a screw into a wood template at the lower layer of the floor bottom stress rib when the core mould structure is arranged on the floor bottom stress rib, the screw is fixed when the screw is screwed to the maximum value, and then the floor surface layer stress rib is laid.

The invention has the beneficial effects that: the upper cover body and the lower cover body which form the core mold structure are symmetrical, so that the core mold assembly is convenient to transport, the upper cover body and the lower cover body are made into an integral body by a mold, the fastening edges, the reinforcing bodies and the reinforcing ribs which are arranged on the upper cover body and the lower cover body are integrated with the upper cover body or the lower cover body, so that the strength of the upper cover body and the lower cover body is higher, the fastening edges of the upper cover body and the lower cover body are convenient for assembling the core mold assembly, the upper cover body and the lower cover body are penetrated with screws, so that the core mold can be fixed on a floor slab bottom template, meanwhile, the rod body size of the screws is larger than the tip size of the screws, the situation that the core mold is not horizontal and.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic plan view of the present invention;

FIG. 4 is a schematic view of the screw tip of the mounting structure of the present invention;

in the figure: 1-upper cover body, 2-lower cover body, 3-reinforcing ribs, 4-reinforcing body, 5-screw nut, 6-screw, 7-screw tip, 8-fastening edge, 9-screw tip gasket, 10-nut gasket, 11-stress bar and 12-wood template.

Detailed Description

The technical scheme of the invention is clearly and completely described below by combining the attached drawings in the embodiment of the invention:

referring to fig. 1 to 4, an anti-floating metal combined core mold for a hollow floor and a using method thereof comprise an upper cover body 1, a lower cover body 2 and four screw rods 6, wherein the upper cover body 1 and the lower cover body 2 are both made of galvanized thin-wall iron plates, the upper cover body 1 and the lower cover body 2 are symmetrically structured, the upper cover body 1 and the lower cover body 2 are manufactured by using the same mold, the upper cover body 1 and the lower cover body 2 both comprise a cover body bottom surface and a cover body side surface, the cover body side surfaces of the upper cover body 1 and the lower cover body 2 are distributed and closed along the cover body bottom surface, a reinforcing body 4 which is manufactured and formed by using the mold and protrudes or is recessed from the cover body bottom surface is arranged in the middle of the cover body bottom surfaces of the upper cover body 1 and the lower cover body 2, the reinforcing body 4 is circular and protrudes or is recessed from the cover body bottom surface by 2 to 3mm, and reinforcing ribs 3 which are manufactured and formed by using the mold and are, the reinforced rib 3 extends to the bottom surface of the cover body along the side surface of the cover body, the reinforced rib 3 is in a strip shape and protrudes or is recessed into the bottom surface of the cover body by 2-3 mm, one end of the side surface of the cover body of the upper cover body 1 and the lower cover body 2 is connected with the bottom surface of the cover body, the other end of the side surface of the cover body of the upper cover body 1 and the lower cover body 2 is provided with a fastening edge 8 which is formed by a mold, the perimeter size of the bottom surface of the cover body of the upper cover body 1 and the bottom surface of the cover body of the lower cover body 2 is smaller than the perimeter size of the fastening edge 8, one side of the upper cover body 1 and one side of the lower cover body 2 which are provided with the fastening edge 8 are welded together to form a hollow core mold structure inside.

Four screw holes are uniformly and symmetrically formed in the bottom surfaces of the upper cover body 1 and the lower cover body 2, the size of the screw hole formed in the bottom surface of the upper cover body 1 is larger than that of the screw hole formed in the bottom surface of the lower cover body 2, the screw rod 6 is inserted into the screw hole formed in the bottom surface of the upper cover body 1 from the screw hole formed in the bottom surface of the upper cover body 1 to the bottom surface of the lower cover body 2, a screw rod nut 5 is arranged at one end of the screw rod 6, a threaded screw rod tip 7 is arranged at the other end of the screw rod 6, a nut gasket 10 is arranged at the contact position of the screw rod nut 5 and the bottom surface of the upper cover body 1 of the screw rod 6, a screw rod tip gasket 9 is arranged at the contact position of the screw rod tip 7 and the bottom surface of the lower cover body 2 of the screw rod 6, the screw rod tip gasket 9 is provided with threads matched with the screw rod tip 7, and the diameter size of The size of the screw hole is arranged on the bottom surface of the body.

When the anti-floating metal combined core mold for the hollow floor and the using method thereof are used, the anti-floating metal combined core mold is placed on a stress rib after the stress rib 11 on the bottom surface of a floor slab is installed, a screw 6 installed on the combined core mold of the upper cover body 1 and the lower cover body 2 is screwed to be fastened, and the tip 7 of the screw 6 is embedded into a wood template 12 on the bottom surface of the stress rib 11 to complete the installation of the core mold.

The invention adopts the upper cover body 1 and the lower cover body 2 made of galvanized thin-wall iron plates to be pressed by a die at one time, the cover body 1 and the lower cover body 2 are pressed into the reinforcing body 4, the reinforcing strip 3 and the fastening edge 8 by adopting a mould, so that the whole structure of the cover body is reinforced, the junction of the bottom surfaces of the upper cover body 1 and the lower cover body 2 and the side surfaces of the cover bodies are house-type corners to further reinforce the integral strength of the cover bodies, the symmetrical structure of the upper cover body 1 and the lower cover body 2 reduces the production cost of products, meanwhile, the transportation is convenient, the assembly of the core mould can be completed only by the fastening edges 8 arranged on the upper cover body 1 and the lower cover body 2 in a welding mode, the assembly cost of the core mould is reduced, the screw 6 installed on the combined core mould of the upper cover body 1 and the lower cover body 2 avoids the damage to the stress bar of the building structure while solving the problem of anti-floating of the combined core mould, and reduces the cost of anti-floating measures of the core mould.

The foregoing merely illustrates the principles and features of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes, alterations, and modifications may be made without departing from the invention, and these changes, alterations, and modifications may fall within the scope of the invention.