CN212248836U - Light infill mandrel for hollow floor - Google Patents

Abstract

The utility model discloses a hollow superstructure is with light obturator mandrel, it includes the fire-retardant polystyrene of inner core and elasticity gelatinization mixture, and elasticity gelatinization mixture parcel forms the protective layer of waterproof and whole protection at the whole surface of the fire-retardant polystyrene of inner core, and elasticity gelatinization mixture is formed by mixing stirring according to certain proportion such as vinyl acetate floating liquid, cement, water and silica flour. The vertical hole penetrating through the light filling body core mold is completed by a self-made punching device, and the bottom bevel edge of the light filling body core mold is completed by a self-made bevel edge sleeving device and a bevel edge cutting device together. Compared with the similar hollow floor products, the light filling body core mold has the advantages of good waterproof performance, good fireproof performance, light weight, zero damage rate, good integrity, simple and convenient construction and the like, and can effectively ensure the structural design principle of drawings in the use and construction process of the hollow stop cover and ensure the construction quality and the structural safety.

Description

Light infill mandrel for hollow floor

Technical Field

The utility model relates to a light obturator mandrel for hollow superstructure, concretely relates to manufacturing method and process flow of light obturator mandrel.

Background

The hollow floor is usually formed by a filler core mould, upper and lower plate face steel bars and multi-ribbed beam steel bars through one-time cast-in-place concrete. The hollow floor filler core mold is used as a permanent built-in floor slab, is structurally combined with reinforced concrete to form a hollow ribbed floor, does not participate in structural stress in the form, and plays roles of replacing hollowed concrete, reducing the dead weight of a building structure, saving energy and the like. At present, core moulds such as a thin-wall cement box body, a thin-wall plastic box body, a thin-wall gypsum box body, a hollow steel mesh box body and the like are usually adopted for the core mould of the filling body in the cast-in-place reinforced concrete hollow floor, and the core moulds of the light filling body are all internal core pulling hole forming products and have different defects of heavy weight, damage, high construction difficulty, deformation, slurry seepage and the like in the construction process. If the problems of the filling body core mold are not solved in the construction process, the hollow floor system can generate more or less deviation from the drawing structure design concept principle in the concrete pouring process, and certain construction quality hidden danger is provided.

In the prior art of the cast-in-place hollow floor, no matter what material is adopted to manufacture the filler core mold is pre-embedded in the beamless floor, the hollow floor concrete is hollowed to form a cavity, the concrete consumption is reduced, the self weight of the floor is reduced, and the using amount of reinforcing steel bars is saved. But the used obturator mandrel in current hollow superstructure technique can not once only solve the quality heavy, damaged, the construction degree of difficulty is big, warp, ooze thick liquid scheduling problem, the utility model discloses a defect problem that light obturator mandrel just can be fine solution above-mentioned obturator mandrel existence. The design principle of the hollow floor structure is effectively guaranteed, and the construction quality is guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned not enough of prior art, provide a light obturator mandrel that hollow superstructure construction quality is reliable.

The utility model provides a technical scheme that its technical problem adopted is, provides a light obturator mandrel for hollow superstructure, and it includes whole solid light expanded material inner core, wraps up in the elasticity gelatinization mixture of light expanded material inner core surface, wraps up in the screen cloth of elasticity gelatinization mixture surface.

The light filling body core die can play the roles of heat preservation and insulation and noise transmission inhibition when being pre-buried in the floor slab.

The elastic gelled mixture is formed by mixing and stirring vinyl acetate-ethylene copolymerization floating liquid, cement, silicon powder, water and the like according to a certain proportion. The elastic gel mixture and the mesh cloth are wrapped on the integral surface of the inner core of the light foaming material to form a waterproof and integral protection protective layer, so that the zero damage rate and the waterproofness of the core mould of the light filling body are effectively guaranteed. The core mold of the light filling body has light weight, the weight can be ignored in the structural design of the hollow floor, and the dead weight of the building structure is reduced to the maximum extent.

The light foaming material can be a flame-retardant polystyrene inner core, is solid and can achieve the energy-saving effects of heat preservation and insulation, noise transmission inhibition and the like for buildings using the hollow floor system technology according to the characteristics of the material.

Furthermore, the elastic gel mixture protective layer is formed by mixing and stirring vinyl acetate-ethylene copolymer floating liquid, cement, silicon powder, water and the like according to a certain proportion.

Further, the outer surface of the mesh cloth is wrapped with the elastic gel mixture.

Furthermore, the flame-retardant polystyrene inner core can be formed by splicing and bonding a plurality of flame-retardant polystyrenes.

The core mould of the light filling body formed by commendably wrapping the mesh cloth and the elastic gel mixture on the whole surface of the flame-retardant polystyrene inner core structure has the advantages of light weight, good integrity, water resistance, flame retardance and the like, and the surface and the side surface of the core mould can bear 1000N of pressure and vibration force in the construction process; in the construction of the flat slab, the thickness of the upper and lower structural plates is guaranteed, the core die is zero damaged, and the ideal hollow slab design principle is achieved.

Furthermore, the middle part of the core mould of the light filling body is provided with a hole along the thickness direction.

There is the through hole at light obturator mandrel center, and the hole forms by the self-control drilling equipment of utility model people's autonomic research and development and forms, and the hole of light obturator mandrel is used for observing the closely knit degree condition of hollow floor board substructure, observes the bubble in the hole and emits the serialization and judges the closely knit degree of substructure.

Furthermore, the periphery of the bottom surface of the light filling body core mould is provided with bevel edges.

There is the oblique angle light obturator mandrel side bottom, and the oblique angle is formed by the cover hypotenuse equipment of utility model people's autonomic research and development and the processing of cutting hypotenuse equipment, and the effect strengthens the mobility of concrete that vibrates when pouring concrete to one side, effectively guarantees the closely knit condition of hypoplastron structure concrete.

Further, the mesh cloth is window gauze.

The utility model discloses still provide a manufacturing method of light obturator mandrel for hollow superstructure, it includes the step:

coating a layer of elastic gel mixture on the surface of the flame-retardant polystyrene whole;

fully spreading a mesh cloth to wrap the whole surface of the flame-retardant polystyrene;

and then the elastic gel mixture is coated on the mesh.

Further, the method also comprises the steps of punching holes in the thickness direction of the flame-retardant polystyrene by adopting punching equipment; the punching equipment comprises a heating rod, and the flame-retardant polystyrene is punched in the thickness direction through the heating rod.

Further, the method comprises the steps of adopting edge sleeving equipment and edge cutting equipment to cut the bottom edge of the flame-retardant polystyrene; the edge sleeving equipment comprises a die sleeving inclined frame sleeved at the bottom of the flame-retardant polystyrene; the trimming equipment comprises an arc-shaped piece, heating wires connected to two ends of the arc-shaped piece and a power supply electrically connected with the heating wires.

The light filling body core mold for the hollow floor system solves a series of problems of heavy mass, damage, large construction difficulty, deformation, slurry seepage and the like of the filling body core mold of the existing hollow floor system structure, effectively ensures the consistency of the hollow floor system building structure and drawings in the construction process, and ensures the engineering quality.

Drawings

FIG. 1 is a schematic view of the core mold structure of the light-weight packing of the present invention;

FIG. 2 is an expanded view of the mesh cloth of the present invention;

FIG. 3 is a schematic view of the structure of the punching apparatus of the present invention;

FIG. 4 is a schematic view of the structure of the sleeve bevel edge device of the present invention;

FIG. 5 is a schematic view of the bevel edge cutting device according to the present invention;

FIG. 6 is a sectional view of the core mold of the light filling body for hollow floor slab of the present invention;

in the figure: 1-light infill core mould, 2-flame-retardant polystyrene, 3-through hole, 4-bevel edge, 5-elastic gel mixture protective layer, 6-mesh cloth, 7-self-made punching equipment, 8-iron handle, 9-insulating adhesive tape, 10-heating rod, 11-power switch, 12-power wire, 13-self-made beveled edge sleeving equipment, 14-handle, 15-die sleeve bevel frame, 16-self-made beveled edge cutting equipment, 17-curved bamboo piece, 18-heating wire, 19-current wire, 20-ribbed beam, 21-ribbed beam steel bar, 22-upper structure plate, 23-lower structure plate, 24-upper structure steel bar, 25-lower structure steel bar and 26-template.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic view of the core mold structure of the light-weight packing body of the present invention. The light filling body core mould 1 is structurally composed of flame-retardant polystyrene 2, an elastic gel mixtureprotective layer 5 andscreen cloth 6 on the cross section, wherein the center of the flame-retardant polystyrene 2 is provided with a throughhole 3, and the side surface of the bottom is provided with a bevel edge 4.

In the process of manufacturing the light filling body core mold 1, firstly, the whole surface of the flame-retardant polystyrene 2 is coated with a layer of elastic gel mixtureprotective layer 5, then themesh cloth 6 is fully paved, and then themesh cloth 6 is covered with the elastic gel mixture protective layer to form an effective protective layer, the throughholes 3 are used for observing the concrete compactness at the bottom of the light filling body core mold 1 in the construction process, and the inclined edges 4 are used for enhancing the concrete flowability at the bottom of the light filling body core mold 1 in the construction process.

Fig. 2 is a development view of the mesh cloth of the present invention. Themesh cloth 6 is sandwiched between the elastic gel mixtureprotective layers 5 and wrapped on the whole surface of the flame-retardant polystyrene 2 to form an effective protective layer for keeping the integrity of the light filling body core mould 1, and the light filling body core mould 1 is generally formed by wrapping anupper mesh cloth 6 and alower mesh cloth 6.

Fig. 3 is the structure diagram of the punching device of the present invention. Thepunching equipment 7 is formed by combiningiron handles 8, insulatingadhesive tapes 9,heating rods 10, apower switch 11 andpower lines 12, and the self-madepunching equipment 7 completes the manufacture of the through-hole 3 at the center of the flame-retardant polystyrene 2 through the corecomponent heating rod 10.

Fig. 4 is a schematic view of the structure of the sleeve beveling device of the present invention. Thebeveling device 12 is a wood material die manufactured by pure woodwork, measures the size and the specification of the light filler core die 1, is formed by combining wood such as ahandle 14, abeveling frame 15 and the like, is sleeved at the bottom of the flame-retardant polystyrene 2, and is used for manufacturing the bevel edge 4 of the light filler core die 1.

Fig. 5 is a schematic view of the bevel edge cutting device of the present invention. The self-made beveledge cutting device 16 is formed by combining apower switch 11, apower line 12, abent bamboo sheet 17, aheating wire 18 and anelectric current line 19, and theheating wire 18 is used for cutting redundant polystyrene on the bottom side surface of the flame-retardant polystyrene 2 to form the bevel edge 4 under the matching of the self-made beveledge cutting device 12 after being heated.

Figure 6 is the core mould section structure diagram of the light filling body of the hollow floor system of the utility model. During the construction of the hollow floor, firstly, thewhole template 26 is paved, then the ribbed beam steel bars 21 are arranged, then the lowerstructural steel bars 25 are paved, the light filling body core model 1 is placed on the lattice of the ribbed beam steel bars 21, then the upperstructural steel bars 24 are fully paved, after all anti-floating construction acceptance is ready, concrete is integrally poured to form the hollow floor slab, and the hollow floor slab is formed by the ribbed beams 20, the upper structural plates 22, the lowerstructural plates 23 and the light filling body core model 1 when seen in the cross section structure.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the modifications or equivalent substitutions can be made to the specific embodiments of the present invention, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims (2)

1. The utility model provides a light obturator mandrel for hollow superstructure which characterized in that: the elastic gel fabric comprises an integral solid light foaming material inner core, an elastic gel mixture wrapped on the outer surface of the light foaming material inner core, and a mesh cloth wrapped on the outer surface of the elastic gel mixture; the outer surface of the mesh cloth is also wrapped with the elastic gel mixture; the light foaming material is flame-retardant polystyrene; the flame-retardant polystyrene can be formed by splicing and bonding a plurality of flame-retardant polystyrenes; and the periphery of the bottom surface of the light filling body core mould is provided with bevel edges.

2. The lightweight filler core mold for hollow floor systems as claimed in claim 1, wherein: the middle part of the light filler core die is provided with a hole along the thickness direction.

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