Laminated slab cast-in-place belt abutted seam pre-embedded reinforcing assembly

Abstract

The utility model belongs to the technical field of assembly type buildings, and particularly relates to a laminated slab cast-in-place belt abutted seam pre-embedded reinforcing assembly which comprises prefabricated laminated slabs, cast-in-place belt seams are formed between the prefabricated laminated slabs, anchor bolts are fixedly connected to the prefabricated laminated slabs on the two sides of the cast-in-place belt seams, and the anchor bolts are fixedly connected with the prefabricated laminated slabs. A fixing plate is arranged between the two anchor bolts on the lower sides of the prefabricated laminated slabs, sponge strips are arranged between the upper side of the fixing plate and the prefabricated laminated slabs on the two sides of the cast-in-place belt gap, a positioning rod is arranged on the lower side of the fixing plate, threads are arranged on the lower portions of the anchor bolts, nuts are connected to the lower portions of the anchor bolts in a threaded mode, and the upper sides of the nuts abut against the positioning rod. An anti-loosening piece is arranged between the two nuts; by arranging the anti-loosening piece, the nut can be effectively prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of assembly type building pouring technology, and specifically relates to a composite slab cast-in-place belt joint pre-embedded reinforcing assembly. BACKGROUND

[0002] A patent with the patent number CN216840139U discloses a kind of assembly type composite slab joint formwork structure, including prefabricated bottom plate and located prefabricated bottom plate top surface composite slab cast-in-place layer;Prefabricated bottom plate is equipped with embedded bolt, prefabricated bottom plate bottom surface is equipped with support formwork, support formwork is located at the gap between two prefabricated bottom plates, self-adhesive rubber strip is pasted between support formwork and prefabricated bottom plate;Embedded bolt on prefabricated bottom plate passes through support formwork and is connected with nut, so that support formwork and prefabricated bottom plate bottom are tightly connected.The structure has the advantages of one-time forming at the joint of composite slab, avoiding slurry leakage, eliminating the need for bottom mold support, and has the advantages of simple structure, economical production and easy installation;

[0003] However, in the prior art, only the nut is used to support the support formwork, which can cause the nut to loosen during pouring, resulting in loose support formwork, uneven grouting plane, or even direct falling of the support formwork. UTILITY MODEL CONTENTS

[0004] To solve the problems raised in the above background technology, the utility model aims to provide a kind of composite slab cast-in-place belt joint pre-embedded reinforcing assembly, to solve the problems raised in the above background technology.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] A kind of composite slab cast-in-place belt joint pre-embedded reinforcing assembly, including prefabricated composite slab, present cast-in-place belt gap is formed between the prefabricated composite slab, the prefabricated composite slab on both sides of present cast-in-place belt gap is fixedly connected with anchor bolt, two anchor bolts between the lower side of the prefabricated composite slab are equipped with solid plate, the upper side of the solid plate and the prefabricated composite slab on both sides of present cast-in-place belt gap are provided with sponge strip, the lower side of the solid plate is equipped with positioning rod, the lower part of the anchor bolt is screw thread, the lower part of the anchor bolt is connected with nut, the upper side of the nut and positioning rod abut, two the nut is provided with anti-loosening piece.

[0007] Further limited, the solid plate is aluminum film or wood board material.

[0008] Further limited, the model of the anchor bolt is M12 anchor bolt.

[0009] Further limited, the positioning rod is wood square or square.

[0010] Further limited, the anti-loose piece is an elastic telescopic rod, a connecting rod is welded on the side surface of the nut, and the end of the elastic telescopic rod is sleeved with the connecting rod.

[0011] Further limited, the elastic telescopic rod comprises an inner rod and a sleeve rod which is slidably connected with one end of the inner rod, a spring is arranged in the sleeve rod, one end of the spring is fixedly connected with the sleeve rod, and the other end is abuttingly connected with the inner rod, and the diameter of the connecting rod is smaller than the inner diameter of the inner rod and the sleeve rod.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] By embedding the anchor bolt in the prefabricated laminated slab, the aluminum mold template and the prefabricated laminated slab can be tightly connected together, and in the case of tight connection, the connection loosening caused by resonance problem in the subsequent concrete pouring process can be avoided, the gap between the prefabricated laminated slab and the supporting template caused by floating during pouring concrete can be prevented, the leakage problem at the joint can be avoided, the post-maintenance and processing cost is effectively reduced, and the appearance performance of the cast-in-place slab belt is increased.

[0014] The utility model discloses a connecting rod is fixedly connected on the side surface of nut, makes two connecting rods position opposite in the case that aluminum film and prefabricated laminated slab are tightly attached, then again elastic member is sleeved in the outer end of connecting rod, so that two nuts do not occur relative rotation, avoid the loosening of nut, and elastic telescopic rod piece is convenient for dismantling simultaneously, and connecting rod is convenient for rotating nut. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model can be further illustrated by the non-limiting embodiment shown in the drawings.

[0016] Figure 1 It is the structure schematic view of the utility model laminated slab cast-in-place belt joint pre-embedded reinforcing component;

[0017] Figure 2 It is the plan view of the utility model laminated slab cast-in-place belt joint pre-embedded reinforcing component;

[0018] Figure 3 It is the section view of the utility model elastic telescopic rod piece;

[0019] Figure 4 It is the structure schematic view of the utility model elastic telescopic rod piece;

[0020] The main element symbol is as follows:

[0021] Prefabricated laminated slab 1, anchor bolt 2, solid plate 3, sponge strip 4, positioning rod 5, nut 6;

[0022] Anti-loosening piece 7, elastic telescopic rod piece 71, connecting rod 72, inner rod 711, sleeve rod 712, spring 713. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the present application, the technical solutions of the present application are further described below in combination with the drawings and examples.

[0024] As Figures 1-4 shown, a prefabricated laminated slab cast-in-place strip joint pre-buried reinforcing assembly, comprising a prefabricated laminated slab 1, a cast-in-place strip gap is formed between the prefabricated laminated slab 1, the prefabricated laminated slab 1 on both sides of the cast-in-place strip gap is fixedly connected with an anchor bolt 2, two anchor bolts 2 on the lower side of the prefabricated laminated slab 1 are provided with a solidifying plate 3, a sponge strip 4 is arranged between the upper side of the solidifying plate 3 and the prefabricated laminated slab 1 on both sides of the cast-in-place strip gap, a positioning rod 5 is arranged on the lower side of the solidifying plate 3, the lower part of the anchor bolt 2 is threaded, the lower part of the anchor bolt 2 is threadedly connected with a nut 6, the upper side of the nut 6 abuts against the positioning rod 5, and an anti-loosening piece 7 is arranged between the two nuts 6.

[0025] The technical solutions of the present embodiment adopt the solidifying plate 3 to close the lower part of the cast-in-place strip gap, the sponge strip 4 has a deformation capability and is used to fill the gap formed between the prefabricated laminated slab 1 of the solidifying plate 3, thereby avoiding slurry leakage, the nut 6 is threadedly connected with the lower part of the anchor bolt 2, the positioning rod 5 abuts against the solidifying plate 3 after the nut 6 is tightened, the anti-loosening piece 7 is used to connect the two nuts 6, thereby avoiding relative rotation of the two nuts 6, the anchor bolt is pre-buried in the prefabricated laminated slab production process, and then the sponge strip 4, the solidifying plate 3 and the positioning rod 5 are installed in sequence, the positioning rod 5 is provided with an anchor bolt hole, and then the nut 6 is installed on the lower side of the positioning rod 5 to fix the positioning rod 5 passing through the anchor bolt 2.

[0026] The solidifying plate 3 is made of aluminum film or wood plate material.

[0027] The model of the anchor bolt 2 is M12 anchor bolt.

[0028] The positioning rod 5 is a wooden square or square tube.

[0029] Referring to Figure 1 and Figure 4The anti-loosening piece 7 is an elastic telescopic rod 71, and a connecting rod 72 is welded on the side surface of the nut 6, and the end of the elastic telescopic rod 71 is sleeved with the connecting rod 72. In the embodiment, the elastic telescopic rod 71 is used to make the connecting rod 72 in the same line, the end of the elastic telescopic rod 71 is hollow, the connecting rod 72 is located in the end of the elastic telescopic rod 71, the elastic telescopic rod 71 has the tendency of elongation to both ends, the connecting rod 72 has the tendency of rotation, the elastic telescopic rod 71 and the connecting rod 172 restrict each other, and the rotation of the connecting rod 72 is avoided. When the fixed plate 3 and other components are removed, the connecting rod 72 can also function as a force arm, the elastic telescopic rod 71 is removed by the contraction of the elastic telescopic rod 71 by the worker, then the nut 6 is removed by rotating the connecting rod 72, and then the positioning rod 5 and the fixed plate 3 are sequentially removed.

[0030] Reference Figure 3 The elastic telescopic rod 71 comprises an inner rod 711 and a sleeve rod 712 which is slidably connected with one end of the inner rod 711, a spring 713 is arranged in the sleeve rod 712, one end of the spring 713 is fixedly connected with the sleeve rod 712, the other end is abutted with the inner rod 711, and the diameter of the connecting rod 72 is smaller than the inner diameters of the inner rod 711 and the sleeve rod 712. In the embodiment, the elastic telescopic rod 71 is further limited, the total length of the sleeve rod 712 and the inner rod 711 is shortened by the compression of the spring 713 by the worker, so that one end of the sleeve rod 712 or the inner rod 711 can be taken out of the connecting rod 72. When the elastic telescopic rod 71 is located in the connecting rod 72, the ends of the sleeve rod 712 and the inner rod 711 abut with the nut 6, and the elastic telescopic rod 71 can also be replaced by components which are hollow at both ends and can be elastically deformed in total length.

[0031] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A pre-embedded reinforcing assembly for a cast-in-place strip joint of a laminated slab, comprising prefabricated laminated slabs (1) between which a cast-in-place strip gap is formed, characterized in that: The precast composite slab (1) on both sides of the cast-in-place strip gap is fixedly connected with an anchor bolt (2), two anchor bolts (2) on the lower side of the precast composite slab (1) are provided with a solid plate (3), a sponge strip (4) is arranged between the upper side of the solid plate (3) and the precast composite slab (1) on both sides of the cast-in-place strip gap, a positioning rod (5) is arranged on the lower side of the solid plate (3), the lower part of the anchor bolt (2) is threaded, a nut (6) is threadedly connected to the lower part of the anchor bolt (2), the upper side of the nut (6) abuts against the positioning rod (5), and an anti-loosening piece (7) is arranged between the two nuts (6).

2. The pre-embedded joint reinforcement assembly according to claim 1, wherein: The solid plate (3) is made of aluminum film or wood plate material.

3. The pre-embedded joint reinforcement assembly according to claim 1, wherein: The model of the anchor bolt (2) is M12 anchor bolt.

4. The pre-embedded joint reinforcement assembly of claim 1, wherein: The positioning rod (5) is a wood square or square tube.

5. The pre-embedded joint reinforcement assembly for use in the construction of a composite floor slab according to claim 1, wherein: The anti-loosening piece (7) is an elastic telescopic rod piece (71), a connecting rod (72) is welded on the side surface of the nut (6), and the end of the elastic telescopic rod piece (71) is sleeved with the connecting rod (72).

6. The pre-embedded joint reinforcement assembly according to claim 5, wherein: The elastic telescopic rod piece (71) comprises an inner rod (711) and a sleeve rod (712) slidably connected with one end of the inner rod (711), a spring (713) is arranged in the sleeve rod (712), one end of the spring (713) is fixedly connected with the sleeve rod (712), the other end abuts against the inner rod (711), and the diameter of the connecting rod (72) is smaller than the inner diameters of the inner rod (711) and the sleeve rod (712). The elastic telescopic rod piece (71) comprises an inner rod (711) and a sleeve rod (712) slidably connected with one end of the inner rod (711), a spring (713) is arranged in the sleeve rod (712), one end of the spring (713) is fixedly connected with the sleeve rod (712), the other end abuts against the inner rod (711), and the diameter of the connecting rod (72) is smaller than the inner diameters of the inner rod (711) and the sleeve rod (712).

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