CN211572189U

CN211572189U - Prefabricated composite floor part of assembled

Info

Publication number: CN211572189U
Application number: CN202020109570.5U
Authority: CN
Inventors: 高慧静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-09-25
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a prefabricated composite floor part of assembled, exempt from the template of tearing open including the high accuracy, combination shaping reinforcing bar goods and connecting screw, the bottom surface of floor is constituteed to the polylith high accuracy exempts from to tear open the template, the high accuracy exempts from to tear open template single face and adopts the rectangular channel to bore a hair, combination shaping reinforcing bar goods are placed in bottom surface of floor top and are linked together through nearly style of calligraphy steel, the opening side connection of nearly style of calligraphy steel is on the bottom surface of combination shaping reinforcing bar goods, the side of remaining silent is through connecting screw and floor rectangular channel to bore the concrete formation prefabricated floor after the hair side is connected, be provided with on the high accuracy exempts from to tear open the template and in the combination shaping. The utility model discloses think about ingenious, compact structure is reasonable, and combination shaping reinforcing bar goods, floor bottom surface all accomplish through mill's prefabrication, and the prefabricated coincide floor of combination floor part, prefabricated part is thin, and light in weight does benefit to the hoist and mount transportation, and reduce cost exempts from to demolish the design of template and has reduced work load, has guaranteed the requirement of the high roughness of composite beam.

Description

Prefabricated composite floor part of assembled

Technical Field

The utility model relates to an assembled concrete structure building field especially relates to a prefabricated composite floor part of assembled.

Background

In the prefabricated concrete structure building, a prefabricated composite floor slab is mostly adopted as a horizontal bearing component. The prefabricated composite floor slab is a formwork-free floor slab, the thickness of a prefabricated part is generally 6 centimeters, pouring is carried out after hoisting and installation, post-cast concrete is effectively laminated with the prefabricated part, and the thickness of the post-cast part is generally 7 centimeters. The prefabricated composite floor slab has heavy weight, difficult transportation and hoisting and higher cost. In addition, the survival thickness of the prefabricated composite floor slab is generally 13 centimeters, and compared with the survival thickness of the traditional cast-in-place floor slab which is about 3 centimeters thick, the net height of the floor slab is influenced. Therefore, how to develop a novel floor slab to reduce weight, be convenient for hoist and mount, guarantee the net height of floor, become the technological problem that technical personnel in the field need to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated composite floor part of assembled solves prior art prefabricated coincide floor structure weight big, and transportation, hoist and mount, construction difficulty and cost are higher, and the whole thickness of survival is big, influences the clean high problem of floor.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a prefabricated composite floor part of assembled, including high accuracy exempt from to tear open template, combination shaping reinforcing bar goods and connecting screw, the polylith floor face is constituteed to the high accuracy exempt from to tear open template, and the high accuracy exempts from to tear open template single face and adopts the rectangular channel napping, combination shaping reinforcing bar goods are placed floor face's top links together through a few style of calligraphy steels, the opening side of a few style of calligraphy steels is connected on combination shaping reinforcing bar goods's the bottom surface, the side of remaining silent of a few style of calligraphy steels pass through connecting screw with floor bottom face high accuracy exempts from to tear open template napping face and connect the back concreting and form prefabricated floor, it is provided with the reservation spool box in the template and the combination shaping reinforcing bar goods to be exempted from to.

Furthermore, the combined forming steel bar product comprises a plurality of bottom stress bars and a plurality of steel bar trusses which are connected to form a plurality of parallel arrangement of the bottom stress bars, a plurality of equidistant uniform distribution of the steel bar trusses are arranged above the bottom stress bars, and the opening side of the U-shaped steel bar is connected to the bottom stress bars and the steel bar trusses.

Still further, a plurality of the shape steel of several words with bottom atress muscle, steel bar truss are arranged perpendicularly, and is a plurality of the shape steel of several words is equidistant to be arranged.

Still further, the steel bar truss comprises two inclined bent steel bars and three linear steel bars, the three linear steel bars are arranged in a triangular mode, and the upper bending points and the lower bending points of the two symmetrically arranged bent steel bars are connected to the three linear steel bars.

Still further, the bent reinforcing steel bars and the straight reinforcing steel bars are welded together.

Still further, the connecting screw adopts countersunk head tapping screw, and the nut department brush of countersunk head tapping screw has anti-rust paint.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a prefabricated composite floor part of assembled, including high accuracy exempt from to tear open template, combination shaping reinforcing bar goods and connecting screw, the bottom surface of floor is constituteed to the polylith high accuracy exempt from to tear open template, and combination shaping reinforcing bar goods is connected through many bottom atress muscle and a plurality of steel bar truss and is constituteed, and combination shaping reinforcing bar goods are placed in the top of bottom surface of floor and are linked together through a few style of calligraphy steels, and the high accuracy exempts from to tear open the template on and is provided with in the combination shaping reinforcing bar goods and reserves line box spool. The assembly type prefabricated combined floor slab part has the advantages that the use of the high-precision disassembly-free template avoids the die sinking and pouring processes in the production process, the production cost is saved, and the production period is shortened; the combined and molded steel bar product has light components, the transportation amount of a single vehicle is increased, the transportation cost is saved, no special requirement is imposed on the load of a tower crane, and the hoisting cost is saved; the floor slab adopting the prefabricated combined floor slab part has the advantages that the top stress bar can still follow the connection mode of a cast-in-place system, such as mechanical connection, binding, welding and the like, and the connection is reliable; the time for dismantling, installing and turning over the template in the construction stage is saved, the construction progress is accelerated, and the requirement of high flatness is met.

The utility model discloses inherit the assembled building development theory, exempt from to demolish template, combination shaping reinforcing bar goods through special connecting piece with the high accuracy and effectively combine to produced a novel formwork floor part of exempting from, should exempt from formwork floor part prefabricated part by original 6 centimeters reduce to about 1.5 centimeters, effectively reduce part weight, save the concrete use amount, do benefit to hoist and mount transportation, reduce cost. In addition, this adopt floor of prefabricated composite floor part of assembled, the connected mode of top atress muscle is the same basically with conventional cast in situ concrete building connected mode, reduces the construction degree of difficulty, guarantees structural security.

The utility model discloses think about ingenious, compact structure is reasonable, and the combination shaping reinforcing bar goods, the floor bottom surface as component part all accomplish through the mill is prefabricated, and light in weight does benefit to the hoist and mount transportation, and reduce cost exempts from to demolish the design of template and has reduced work load, has guaranteed the requirement of the high roughness of combination beam.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a top view of the assembled prefabricated composite floor slab component of the present invention;

fig. 2 is a left side view of the assembly type prefabricated composite floor slab component of the utility model;

FIG. 3 is a sectional view taken along line A-A of the present invention;

FIG. 4 is an enlarged view of the position E in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the position F of FIG. 3 according to the present invention;

description of reference numerals: 1. a high-precision dismounting-free template; 2. bottom stress ribs; 3. a steel bar truss; 4. a few shaped steel; 5. a connecting screw; 6. and reserving a wire tube of the wire box.

Detailed Description

As shown in fig. 1-5, a prefabricated composite floor part of assembled, including high accuracy exempt from to tear open template 1, combination shaping reinforcing bar goods and connecting screw 5, the polylith the floor bottom surface is constituteed to high accuracy exempt from to tear

open template

1, and 1 single face of high accuracy exempt from to tear open template adopts the rectangular channel to bore a hair, combination shaping reinforcing bar goods are placed the top of floor bottom surface links together through a few style of calligraphy steel 4, the opening side of a few style of calligraphy steel 4 connects on the bottom surface of combination shaping reinforcing bar goods, the close side of a few style of calligraphy steel 4 through connecting screw 5 with the floor bottom surface high accuracy exempt from to tear open template and bore concrete behind the connection and form prefabricated floor, be provided with in the high accuracy exempt from to tear open template and the combination shaping reinforcing bar goods and reserve line case 6.

Specifically, combination shaping reinforcing bar goods include many bottom atress muscle 2 and a plurality of steel bar truss 3 and connect and form, many bottom atress muscle 2 parallel arrangement, it is a plurality of steel bar truss 3 equidistant equipartition is in the top of bottom atress muscle 2, the opening side of a few style of calligraphy shaped steel 4 is connected on bottom atress muscle 2 and the steel bar truss 3.

In the embodiment shown in fig. 1, seven inverted-V-shaped steel sections 4, eleven bottom stress bars 2 and steel bar trusses 3 are vertically arranged, and the seven inverted-V-shaped steel sections 4 are arranged at equal intervals. Specifically, after the area of the actual floor is measured and calculated, a proper amount of materials are selected to form the floor.

The steel bar truss comprises two inclined bent steel bars and three straight steel bars, the three straight steel bars are arranged in a triangular mode, and the upper bending points and the lower bending points of the two symmetrically arranged bent steel bars are connected to the three straight steel bars. Specifically, the bent reinforcing steel bars and the straight reinforcing steel bars are welded together.

The connecting screw 5 is a countersunk self-tapping screw, and the nut of the countersunk self-tapping screw is brushed with anti-rust paint to prevent the countersunk self-tapping screw from rusting and corroding, so that the service life of the countersunk self-tapping screw is prolonged.

The utility model discloses a preparation assembling process as follows:

first step, preparation of materials: preparing a high-precision non-dismantling template 1, a bottom stress bar 2, a steel bar truss 3, a n-shaped steel 4 and a connecting screw 5 for the prefabricated assembled composite floor slab part;

and step two, manufacturing a combined formed steel bar product:

firstly, cutting a prepared steel bar into a plurality of bottom stress bars 2 with required lengths and steel bars for a steel bar truss 3;

then, a plurality of n-shaped steel sections 4 are arranged at equal intervals, the bottom stress rib 2 and a plurality of triangular steel bar trusses 3 are placed above the n-shaped steel sections 4 in parallel, and the n-shaped steel sections 4, the bottom stress rib 2 and the steel bar trusses 3 are vertically arranged and welded together;

thirdly, manufacturing the bottom surface of the floor slab:

one side of each high-precision disassembly-free template 1 is subjected to roughening treatment by adopting a rectangular groove, and the roughened surfaces are spliced in the same direction to form a large flat plate with a required area;

fourthly, assembling in a factory:

1) placing the combined formed steel bar product on a high-precision non-dismantling template 1, and fixedly connecting the napped surface of the high-precision non-dismantling template 1 and the inverted V-shaped steel 4 together through a connecting screw 5;

2) and (4) performing rust-proof treatment, and brushing rust-proof paint at the nut of the countersunk head self-tapping screw.

Fifthly, assembling on a construction site: the prefabricated composite floor slab component is transported to a construction site and then hoisted to an installation position by a tower crane, a plurality of prefabricated composite floor slab components are spliced into a floor slab, and a stress bar at the top of the floor slab is erected and connected above the prefabricated composite floor slab components;

sixthly, pouring; after the prefabricated combined floor slab part and the stress bars on the top of the floor slab are installed, concrete is poured on site to form a bearing member.

The high-precision disassembly-free formwork is made of fiber reinforced concrete materials, so that impact force and vibrating force generated in the concrete pouring process are met, high flatness and high verticality of the outer surface can be guaranteed, plastering is avoided, and the requirement that all formworks at the pouring enclosing part are not disassembled is met. The combined forming reinforcing steel bar product is produced by adopting a factory automatic production line, the production precision is high, the material consumption is saved, and the quality problem caused by artificial factors is avoided.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. An assembled prefabricated composite floor component which is characterized in that: exempt from form (1), combination shaping reinforcing bar goods and connecting screw, polylith including the high accuracy the floor bottom surface is constituteed in form (1) is exempted from to tear open to the high accuracy, and form (1) single face is exempted from to tear open to the high accuracy adopts the rectangular channel to bore a hair, combination shaping reinforcing bar goods are placed the top of floor bottom surface links together through a few style of calligraphy shaped steel (4), the opening side of a few style of calligraphy shaped steel (4) is connected on the bottom surface of combination shaping reinforcing bar goods, the close mouthful side of a few style of calligraphy shaped steel (4) pass through connecting screw (5) with form is exempted from to tear open to the floor bottom surface high accuracy and is drawn the hair face and connect the back and pour concrete and form prefabricated floor, on the form is exempted from to tear open to the high accuracy.

2. The fabricated prefabricated composite floor slab part of claim 1, wherein: the combined forming steel bar product comprises a plurality of bottom stress bars (2) and a plurality of steel bar trusses (3) which are connected and formed, the bottom stress bars (2) are arranged in parallel, the steel bar trusses (3) are uniformly distributed at equal intervals above the bottom stress bars (2), and the opening sides of the U-shaped steel bars (4) are connected to the bottom stress bars (2) and the steel bar trusses (3).

3. The fabricated prefabricated composite floor slab part of claim 2, wherein: a plurality of the n-shaped steel sections (4) are vertically arranged with the bottom stress bar (2) and the steel bar truss (3), and a plurality of the n-shaped steel sections (4) are arranged at equal intervals.

4. The fabricated prefabricated composite floor slab part of claim 2, wherein: the steel bar truss comprises two inclined bent steel bars and three straight steel bars, the three straight steel bars are arranged in a triangular mode, and the upper bending points and the lower bending points of the two symmetrically arranged bent steel bars are connected to the three straight steel bars.

5. The fabricated prefabricated composite floor slab part of claim 4, wherein: the bent reinforcing steel bars and the straight reinforcing steel bars are welded together.

6. The fabricated prefabricated composite floor slab part of claim 1, wherein: the connecting screw (5) is a countersunk self-tapping screw, and the nut of the countersunk self-tapping screw is brushed with antirust paint.