Laminated slab strip reinforcing device

Abstract

The utility model discloses a laminated slab strip reinforcing device, and relates to the technical field of assembly type building engineering. The device comprises a plate and strip lower template, a T-shaped reinforcing piece and an elevation assembly, the slab strip lower formwork is located at the position, between every two adjacent laminated slab bodies, of the bottom of the cast-in-place slab strip and used for supporting cast-in-place concrete. A plurality of square steel reinforcing rods which are distributed at equal intervals are fixed at the bottom of the plate strip lower template; the multiple T-shaped reinforcing pieces are distributed in the middle of the cast-in-place slab strip between every two adjacent laminated slab bodies at equal intervals in the slab strip direction. According to the utility model, the plate strip lower template abuts against the laminated slab body through the T-shaped reinforcing member, reliable plugging and sealing at the joint are realized, slurry leakage is prevented, elevation calibration is completed through the plurality of elevation assemblies, the elevation of a concrete cast-in-place surface is effectively controlled, the defects of slurry leakage and slab staggering at the joint of the existing laminated slab and the plate strip lower template are overcome, and the construction efficiency is improved. And the problem that the concrete plate surface is uneven due to the elevation error of the cast-in-place surface is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembled building engineering, and particularly relates to a composite board strip reinforcement device. Background Art

[0002] Prefabricated building floors are usually composed of lower prefabricated composite panels and upper cast-in-place concrete layers. The cast-in-place slabs between the composite panels are supported by formwork and poured at one time with the upper cast-in-place concrete layer to form an integral floor. Prefabricated building floors using composite panels are widely used in high-rise buildings because of their advantages of saving formwork, high construction efficiency, and smooth bottom surface. However, the existing construction technology has two major shortcomings:

[0003] 1. For most floors of prefabricated buildings made of composite slabs, the span between the core tube and the side columns is large. When pouring the slab surface, the elevation of the cast-in-place surface in the middle is difficult to refer to the elevation control point on the side column reinforcement, which can easily lead to elevation errors and uneven concrete slab surface. A lot of time will be spent on repairing and polishing in the later stage, and it will also pose a hidden danger to the quality of decoration.

[0004] Second, the joints between the composite slab and the lower formwork of the slab are made dense by sticking anti-leakage mortar tape, and the self-weight pressure of the composite slab is used alone. However, due to the vibration caused by the vibrator during the pouring process, gaps are generated at the joints between the composite slab and the lower formwork of the slab, resulting in leakage, misalignment and other quality defects. This wastes materials and requires a lot of man-hours for repair and polishing in the later stage, increasing project costs and construction period.

[0005] To this end, we provide a composite plate strip reinforcement device to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a composite slab strip reinforcement device, which presses the lower template of the slab strip against the composite slab body through a T-shaped reinforcement piece, thereby achieving reliable sealing at the joint to prevent leakage of slurry, completing elevation calibration through multiple elevation components, and effectively controlling the elevation of the cast-in-place concrete surface, thereby solving the problems of leakage and misalignment at the joints between the existing composite slab and the lower template of the slab strip, as well as the uneven concrete slab surface caused by the elevation error of the cast-in-place surface.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a reinforcement device for a composite plate strip, comprising a lower plate strip template, a T-shaped reinforcement piece and an elevation component; the lower plate strip template is located at the bottom of the cast-in-place plate strip between two adjacent composite plate bodies and is used to support cast-in-place concrete; a plurality of square steel reinforcement rods distributed at equal intervals are fixed to the bottom of the lower plate strip template; a plurality of T-shaped reinforcement pieces are provided, which are distributed at equal intervals in the middle of the cast-in-place plate strip between two adjacent composite plate bodies along the plate strip direction, and the T-shaped reinforcement piece is overlapped on two adjacent composite plate bodies and is used to tighten the lower plate strip template toward the direction of the composite plate body; a plurality of elevation components are also provided, which are respectively fixed on the tops of a plurality of T-shaped reinforcement pieces and are used to control the height of the cast-in-place concrete surface.

[0009] The utility model is further configured such that a leakage-proof slurry strip is provided between the lower template of the plate strip and the bottom surface of the composite plate body.

[0010] The utility model is further configured that the square steel reinforcement rod is perpendicular to the direction of the plate strip, and the length thereof is greater than the width of the lower template of the plate strip.

[0011] The utility model is further configured such that the T-shaped reinforcement piece is welded by mutually perpendicular steel bar heads and longitudinal screw rods; the steel bar heads are overlapped on the upper parts of two adjacent composite plate bodies, and the longitudinal screw rods sequentially pass through the plate strip lower formwork and the square steel reinforcement rods, and gaskets and locking nuts are respectively provided on the longitudinal screw rods below the square steel reinforcement rods, and the T-shaped reinforcement piece is tightened by the locking nuts.

[0012] The utility model is further configured that a rubber water-stopping gasket is provided at the perforation of the lower template of the plate strip, and the inner ring diameter of the rubber water-stopping gasket is the same as the diameter of the longitudinal screw.

[0013] The utility model is further configured such that the elevation assembly includes a calibration nut and a T-shaped threaded pull rod; the calibration nut is welded at the upper middle position of the steel bar head, and the T-shaped threaded pull rod is screwed and connected to the calibration nut.

[0014] The utility model is further configured such that a first scale is provided on the side surface of the calibration nut, and a second scale is provided on the side surface of the T-shaped threaded pull rod.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model sets a T-shaped reinforcement piece, and the steel bar head, longitudinal screw rod, square steel reinforcement rod and gasket are pressed against each other when the locking nut is tightened. The lower template of the plate strip closes the bottom of the joint with the composite plate body under the pressing action, thereby realizing reliable sealing and preventing leakage of slurry, effectively eliminating the visual and quality defects of leakage of slurry at the joint between the composite plate body and the lower template of the plate strip, reducing the cost and construction period consumed by later repair and grinding, and the calibration nut is processed and manufactured as a whole with the steel bar head and the longitudinal screw rod, and combined into an integral component, which can synergistically play the function of cast-in-place surface elevation control and the function of plate strip reinforcement and leakage prevention.

[0017] 2. The utility model further improves the anti-leakage effect by arranging a rubber water-stop gasket and an anti-leakage slurry belt. The rubber water-stop gasket can effectively prevent slurry leakage at the longitudinal screw position, and the anti-leakage slurry belt can effectively prevent slurry from leaking from the joint between the lower template of the plate belt and the main body of the composite plate.

[0018] 3. The utility model can complete elevation calibration and effectively control the elevation of the cast-in-place concrete surface by setting elevation components. The setting of multiple elevation components can solve the problem of uneven concrete slab surface caused by large elevation error of the cast-in-place concrete surface in the middle position when casting large-space and large-span slabs.

[0019] 4. The utility model provides a calibration nut and a T-threaded rod, both of which are detachable, so that the T-threaded rod can be disassembled before the initial setting of the concrete, so that it can be recycled. It has low cost, fast and convenient installation, simple operation, and applicability is not limited by the thickness of the composite slab body, the width of the slab strip, and the thickness of the cast-in-place layer.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a top view stereoscopic schematic diagram of the overall structure of a composite plate strip reinforcement device.

[0023] Figure 2 It is a bottom-up stereoscopic schematic diagram of the overall structure of a composite plate strip reinforcement device.

[0024] Figure 3 It is a front cross-sectional view of the overall structure of a composite plate strip reinforcement device.

[0025] Figure 4The present invention is a schematic diagram of the lower template structure of a composite plate strip reinforcement device.

[0026] Figure 5 The present invention is a schematic diagram of the structure of a T-shaped reinforcement member and elevation components of a composite plate strip reinforcement device.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-plate strip lower formwork, 101-rubber water-stop gasket, 2-composite plate body, 3-leakage-proof slurry tape, 4-square steel reinforcement rod, 5-T-type reinforcement, 501-rebar head, 502-longitudinal screw, 503-gasket, 504-locking nut, 6-elevation assembly, 601-calibration nut, 602-T-type threaded pull rod, 603-first scale, 604-second scale. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0031] See also Figure 1-5 The utility model is a composite plate strip reinforcement device, comprising a plate strip lower template 1 and a T-shaped reinforcement member 5; the plate strip lower template 1 is located at the bottom of the cast-in-place plate strip between two adjacent composite plate bodies 2, and is used to support cast-in-place concrete; a plurality of equally spaced square steel reinforcement rods 4 are fixed to the bottom of the plate strip lower template 1, the square steel reinforcement rods 4 are perpendicular to the plate strip direction, and the length is greater than the width of the plate strip lower template 1; a plurality of T-shaped reinforcement members 5 are arranged, which are equally spaced along the plate strip direction in the middle of the cast-in-place plate strip between two adjacent composite plate bodies 2, and the T-shaped reinforcement members 5 are overlapped on the two adjacent composite plate bodies 2, and are used to tighten the plate strip lower template 1 toward the composite plate body 2.

[0032] Specifically, the T-shaped reinforcement 5 is welded by mutually perpendicular steel bar heads 501 and longitudinal screws 502; the steel bar heads 501 are overlapped on the upper parts of the two adjacent composite plate bodies 2, and the longitudinal screws 502 pass through the lower plate formwork 1 and the square steel reinforcement rods 4 in turn. Gaskets 503 and locking nuts 504 are respectively provided on the longitudinal screws 502 under the square steel reinforcement rods 4, and the T-shaped reinforcement 5 is tightened by the locking nuts 504; rubber water-stop gaskets 101 are provided at the perforations of the lower plate formwork 1, which effectively prevent leakage of slurry at the longitudinal screw 502, and the anti-leakage effect is good. The inner ring diameter of the rubber water-stop gasket 101 is the same as the diameter of the longitudinal screw 502.

[0033] Furthermore, a leak-proof slurry tape 3 is provided between the lower template 1 of the plate strip and the bottom surface of the composite plate body 2 to prevent the slurry from leaking from the joints.

[0034] The operation process of this embodiment is: the steel bar head 501, the longitudinal screw rod 502, the square steel reinforcement rod 4 and the gasket 503 are pressed against each other when the locking nut 504 is tightened, and the rigid connection acts on the composite plate body 2 to form a restraining force. The longitudinal screw rod 502 at the other end is tied with the square steel reinforcement rod 4 through the gasket 503 and the locking nut 504 to form a restraining force, which can achieve reliable sealing of the bottom of the joint of the composite plate body 2 by the lower template 1 of the plate strip to prevent leakage of slurry. Specific embodiment 2

[0036] See also Figure 1-3 , 5, based on the specific embodiment 1, it also includes an elevation component 6; the elevation component 6 is also provided with multiple, respectively fixed on the top of multiple T-shaped reinforcement members 5, for controlling the height of the cast-in-place concrete surface.

[0037] Specifically, the elevation component 6 includes a calibration nut 601 and a T-shaped threaded pull rod 602; the calibration nut 601 is welded at the upper middle position of the steel bar head 501, and the T-shaped threaded pull rod 602 is screwed and connected to the calibration nut 601.

[0038] Furthermore, a first scale 603 is provided on the side of the calibration nut 601, and the highest point of the scale is 3 cm. This elevation has taken into account the diameter of the steel bar head 501, which means that the distance from the upper surface of the calibration nut 601 to the upper surface of the composite plate body 2 is 3 cm. A second scale 604 is provided on the side of the T-type threaded pull rod 602.

[0039] The operation process of this embodiment is: screw the T-threaded pull rod 602 into the calibration nut 601, and when the 3cm scale of the second scale 604 on the T-threaded pull rod 602 coincides with the upper surface of the calibration nut 601, the elevation calibration is completed, and the elevation of the cast-in-place concrete surface is effectively controlled. By setting up multiple elevation components 6, the problem of uneven concrete slab surface caused by large elevation error of the cast-in-place concrete surface in the middle position during casting of large-space and large-span slabs is solved; and the T-threaded pull rod 602 can be disassembled before the initial setting of the concrete, so that it can be recycled, with low cost, quick and convenient installation, simple operation, and applicability not limited by the thickness of the composite slab body 2, the width of the slab strip, and the thickness of the cast-in-place layer. It has a wide range of uses and is easy to promote and use. It is also suitable for use as a leakage-proof slurry sealing device for various composite slab joints.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A composite plate strip reinforcement device, comprising a plate strip lower template (1), a T-shaped reinforcement member (5) and an elevation component (6); characterized in that: The lower slab formwork (1) is located at the bottom of the cast-in-place slab between two adjacent superimposed slab bodies (2) and is used to support cast-in-place concrete; A plurality of equally spaced square steel reinforcement rods (4) are fixed to the bottom of the plate strip lower formwork (1); The T-shaped reinforcement members (5) are provided in plurality and are evenly spaced in the middle of the cast-in-place slab strip between two adjacent superimposed slab bodies (2) along the slab strip direction. The T-shaped reinforcement members (5) are overlapped on the two adjacent superimposed slab bodies (2) and are used to tighten the lower template (1) of the slab strip toward the direction of the superimposed slab body (2); The elevation components (6) are also provided in plurality and are respectively fixed on the top of the plurality of T-shaped reinforcement members (5) to control the height of the cast-in-place concrete surface.

2. A composite plate strip reinforcement device according to claim 1, characterized in that: A leakage-proof slurry strip (3) is provided between the lower plate strip formwork (1) and the bottom surface of the composite plate body (2).

3. A composite plate strip reinforcement device according to claim 1, characterized in that: The square steel reinforcing rod (4) is perpendicular to the direction of the plate strip, and its length is greater than the width of the lower template (1) of the plate strip.

4. A composite plate strip reinforcement device according to claim 1, characterized in that: The T-shaped reinforcement member (5) is welded by mutually perpendicular steel bar heads (501) and longitudinal screw rods (502); The steel bar head (501) is overlapped on the upper part of two adjacent composite plate bodies (2), and the longitudinal screw rod (502) passes through the plate strip lower template (1) and the square steel reinforcement rod (4) in sequence. A gasket (503) and a locking nut (504) are respectively provided on the longitudinal screw rod (502) below the square steel reinforcement rod (4), and the T-shaped reinforcement member (5) is tightened by the locking nut (504).

5. A composite plate strip reinforcement device according to claim 4, characterized in that: A rubber water-stopping gasket (101) is provided at the perforation of the lower template (1) of the plate strip, and the inner ring diameter of the rubber water-stopping gasket (101) is the same as the diameter of the longitudinal screw (502).

6. A composite plate strip reinforcement device according to claim 4, characterized in that: The elevation assembly (6) comprises a calibration nut (601) and a T-shaped threaded pull rod (602); The calibration nut (601) is welded at the upper middle position of the steel bar head (501), and the T-shaped threaded pull rod (602) is screwed and connected to the calibration nut (601).

7. A composite plate strip reinforcement device according to claim 6, characterized in that: A first scale (603) is provided on the side surface of the calibration nut (601), and a second scale (604) is provided on the side surface of the T-shaped threaded rod (602).

Images