CN219569307U - Cast-in-place slab band reinforcing apparatus of assembled superimposed sheet - Google Patents

Abstract

The utility model relates to an assembled laminated slab cast-in-situ slab band reinforcing device, which comprises laminated bottom plates and cast-in-situ slab bands, wherein the cast-in-situ slab bands are arranged between adjacent laminated bottom plates; plastic nuts are correspondingly arranged on the adjacent overlapped bottom plates in a penetrating manner, an aluminum template is arranged at the bottom of the cast-in-situ slab band, square pipe back edges are arranged at the bottom of the aluminum template, penetrating guide grooves are formed in two sides of each square pipe back edge, the nuts are connected with wire-through screws, and mountain-shaped nuts are connected with the parts, extending out of the guide grooves, of the wire-through screws in a threaded manner; the silk-passing screw rod can be repeatedly used, is simple to operate and is easy to operate; the complaint and maintenance cost caused by the rust return problem of the top plate caused by the traditional reinforcing method are saved.

Description

Cast-in-place slab band reinforcing apparatus of assembled superimposed sheet

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to a cast-in-situ slab band reinforcing device for an assembled laminated slab.

Background

The assembled components comprise prefabricated laminated slabs and prefabricated stairs, and are matched with an aluminum alloy template supporting system. In the construction of the laminated slab cast-in-situ slab band, aiming at the problems of slab staggering, slurry leakage and the like at the joint of the cast-in-situ slab band and the laminated slab, the related laminated slab cast-in-situ segment reinforcing measures (refer to a post-pouring band (A) between laminated bottom plates in fig. 1) in the construction process diagram of an assembled concrete shear wall structure of a national building standard design atlas 16G 906: the steel bar is reinforced by adopting a traditional T-shaped pull rod tool (a steel bar welding screw), a screw with the diameter of C18 mm and the steel bar welding diameter of phi 14 mm is welded into a T-shaped mode, and the bottom of the template is tightly screwed and reinforced by adopting a steel pipe back ridge and a nut. The reinforcing tool effectively reduces the occurrence frequency of quality problems such as joint dislocation, slurry leakage and the like of the superimposed sheet and the cast-in-situ sheet and strip, but the method has the following defects: firstly, the plate and strip reinforcing tool is pre-buried once, the material loss is large, and the construction concept of cost reduction, efficiency enhancement and green construction is contradicted; secondly, after the die is disassembled, the exposed part of the bottom of the screw for reinforcement needs to be cut off, the risk of rust return of the ceiling coating is increased due to improper treatment, hidden quality hazards are buried, and the complaint and maintenance cost of owners are increased; thirdly, the top plate screw rod chiseling and plugging takes time and labor, and is unfavorable for quality control and construction period control.

Disclosure of Invention

The utility model aims to provide an assembled laminated slab cast-in-situ slab band reinforcing device, which solves the problems of high material consumption, time and labor waste, rust returning, high maintenance cost and the like of the conventional reinforcing tool.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the assembly type laminated slab cast-in-situ slab band reinforcing device comprises laminated bottom plates and cast-in-situ slab bands, wherein the cast-in-situ slab bands are arranged between adjacent laminated bottom plates; plastic nuts are correspondingly arranged on the adjacent overlapped bottom plates in a penetrating mode, an aluminum template is arranged at the bottom of the cast-in-situ slab band, square pipe back edges are arranged at the bottom of the aluminum template, penetrating guide grooves are formed in two sides of each square pipe back edge, the nuts are connected with wire through screws, and mountain-shaped nuts are connected with the portions of the wire through screws extending out of the guide grooves in a threaded mode.

In the assembled laminated slab cast-in-situ slab band reinforcing device, the specification of plastic nuts is phi 16 x 6.5mm; the specification of the silk-passing screw rod is phi 16; the mountain-shaped parent specification is M16; the specification of the square tube back edge is 50 mm.50mm, and the size of the translation guide groove is 18 mm.100mm.

In the assembled laminated slab cast-in-situ slab band reinforcing device, the plastic nut material is PVC, PP or PE.

In the assembled laminated slab cast-in-situ slab band reinforcing device, the plastic nuts can be replaced by stainless steel nuts.

In the assembled laminated slab cast-in-situ slab band reinforcing device, the square pipe back edge can be replaced by a steel pipe.

In the cast-in-place slab band reinforcing apparatus of assembled superimposed sheet, lead to silk screw rod middle part and be provided with the clamping structure that is used for dismouting.

In the assembled laminated slab cast-in-situ slab band reinforcing device, the clamping structure is a hexagonal nut or square structure.

The beneficial effects of the utility model are as follows:

the material adopts plastic nuts, the cost is greatly reduced, and reinforcing steel bars for reinforcing the upper part of the laminated slab in the original scheme are optimized to be embedded with the plastic nuts in the laminated slab; the screw does not need to be cut, and the screw for reinforcement is changed from consumable materials of the original scheme to recyclable materials of the new scheme; after the die is disassembled, the screw is unscrewed, the plastic nuts left in the laminated plates are not rust-returned and do not need to be chiseled, so that the probability of complaints of the later-stage owners and the maintenance cost are greatly reduced.

Drawings

FIG. 1 is a schematic diagram of a reinforcing structure of a cast-in-situ section of a conventional laminated slab;

FIG. 2 is a schematic diagram of the structural principle of the present utility model;

FIG. 3 is a schematic view of the structure of a square pipe guide slot according to the present utility model;

fig. 4 is a schematic view of the construction principle of the present utility model.

In the figure: 1-a plastic nut; 2-a harness cord screw; 3-mountain-shaped parent; 4-square tube back edges; 5-a guide groove; 6-structural wall; 7-independent support; 8-an aluminum alloy tool beam; 9-laminating the bottom plate; 10-a laminated slab cast-in-situ layer; 11-cast-in-situ slab band; 12-an aluminum template; and A, post-pouring belts among the superposed bottom plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 4, the utility model relates to an assembled laminated slab cast-in-situ slab band reinforcing device, wherein a laminated slab is erected at the top of a structural wall body 6, an aluminum alloy tool beam 8 is arranged at the bottom of the laminated slab, an independent support 7 is arranged between the aluminum alloy tool beam 8 and the ground, the laminated slab is supported by the independent support 7 erected at the bottom, and the laminated slab comprises a laminated bottom plate 9, a laminated slab cast-in-situ layer 10 and a cast-in-situ slab band 11; a cast-in-situ slab band 11 is arranged between the adjacent laminated bottom plates 9, and laminated slab cast-in-situ layers 10 are arranged on the laminated bottom plates 9 and the top layers of the cast-in-situ slab bands 11.

The plastic nuts 1 are correspondingly arranged on the adjacent superposed bottom plates 9 in a penetrating mode, the aluminum templates 12 are arranged at the bottoms of the cast-in-situ plate strips 11, square pipe back edges 4 are arranged at the bottoms of the aluminum templates 12, penetrating guide grooves 5 are arranged on two sides of each square pipe back edge 4, the nuts 1 and the guide grooves 5 are connected with through screw rods 2 in a threaded mode, and mountain-shaped nuts 3 are connected with parts of the through screw rods 2 extending out of the guide grooves 5 in a threaded mode.

The specification of the 4 component plastic nuts 1 is phi 16 x 6.5mm, the specification of the harness screw 2 is phi 16, the specification of the mountain-shaped nut 3 is M16, the specification of the square pipe back edge 4 is 50mm x 50mm, and the translational guide groove 5 is arranged on the square pipe back edge 4: 18mm is 100mm, has compatible the plastics nut interval error that dimensional error caused when the superimposed sheet is installed, is favorable to the screw rod to consolidate the adjustment.

The plastic nut 1 is made of PVC, PP or PE. The plastic nut 1 can also be replaced by a stainless steel nut. The square tube back edge 4 can also be replaced by a round steel tube. The clamping structure for dismounting is arranged in the middle of the harness cord screw 2, and is a hexagonal nut or square structure, so that the clamping structure is more convenient to use a wrench for clamping and dismounting.

The plastic nut 1 is pre-buried in place according to a point diagram in an assembly type component factory, the laminated slab is transported to a construction site, the laminated slab is lifted to an operation surface after checking and rechecking, the upper and lower pull-up of the laminated slab and the plastic nut 1 are realized through the harness screw rod 2, the pull-up force is applied to the laminated slab and the aluminum template 12 through screwing the mountain-shaped nut 3, and finally the laminated slab and the aluminum template 12 are tightly attached together, so that the problems of dislocation and slurry leakage caused by the unevenness of the laminated slab and the aluminum template 12 are eliminated.

The construction process flow comprises the following steps: point location design, technical mating, plastic nut 1 pre-embedding, entering field inspection and acceptance, superimposed sheet hoisting, wire screw 2 reinforcement, inspection and acceptance, concrete pouring, die stripping and tool turnover.

Economic benefit: taking a certain large-scale assembled group house project as an example, the total building area of the project is 210877.54 square meters, and the structural form is a frame shear wall structure. The project comprises 9 single units, the assembly rate reaches 36%, the number of cast-in-situ plate bands of the prefabricated laminated plates of the single building reaches 1352, the number of cast-in-situ plate bands of the total laminated plates of the project reaches 12168, the band width is 300mm, and the length is 1000mm-3820mm. The cost of the new reinforcing tool is compared with that of the traditional construction method, and the traditional method uses the following materials:

one ribbon (three reinforcement points):

the original scheme is as follows: material cost: 1.5mc18 tertiary steel, 4.2 yuan/kg 1.5 x 3kg=12.6 yuan;

removing and repairing the screw rod: 3/3 = 6;

aggregate 18.6 yuan/bar

A new tool: material cost: plastic nuts 0.1 element/each, 6 0.1 element = 0.6 element;

the sum of items 12168 a ribbon strip,

cost is saved: 12168 (18.6-0.6) = 219024 yuan; 0.1 yuan for plastic nuts, and 4.3 yuan for steel bars with the diameter of 50cm and the diameter of C18 mm; the material cost is reduced by (4.3-0.1 x 2)/4.3=95%.

The material adopts plastic nuts, the cost is greatly reduced, and reinforcing steel bars for reinforcing the upper part of the laminated slab in the original scheme are optimized to be embedded with the plastic nuts in the laminated slab; the screw does not need to be cut, and the screw for reinforcement is changed from consumable materials of the original scheme to recyclable materials of the new scheme; after the die is disassembled, the screw is unscrewed, the plastic nuts left in the laminated plates are not rust-returned and do not need to be chiseled, so that the probability of complaints of the later-stage owners and the maintenance cost are greatly reduced. Compared with the traditional reinforcement method, the material input cost is greatly reduced; the silk-passing screw rod can be recycled, is simple to operate and is easy to be used by hands; the complaint and maintenance cost caused by the rust return problem of the top plate caused by the traditional reinforcing method are saved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The cast-in-situ slab band reinforcing device of the assembled laminated slab comprises laminated bottom plates (9) and cast-in-situ slab bands (11), wherein the cast-in-situ slab bands (11) are arranged between adjacent laminated bottom plates (9); the plastic nut casting machine is characterized in that plastic nuts (1) are correspondingly and penetratingly arranged on adjacent laminated bottom plates (9), an aluminum template (12) is arranged at the bottom of a cast-in-situ slab band (11), square pipe back edges (4) are arranged at the bottom of the aluminum template (12), penetrating guide grooves (5) are formed in two sides of each square pipe back edge (4), the plastic nuts (1) are in threaded connection with a through screw (2), and a mountain-shaped nut (3) is in threaded connection with a part of the through screw (2) extending out of the guide grooves (5).

2. The reinforcing device for cast-in-situ slab and strip of fabricated laminated slab according to claim 1, wherein the specification of the plastic nut (1) is phi 16 x 6.5mm; the specification of the silk-passing screw rod (2) is phi 16; the specification of the mountain-shaped parent (3) is M16; the specification of the square pipe back edge (4) is 50mm, and the size of the translation guide groove (5) is 18mm and 100mm arranged on the square pipe back edge (4).

3. The reinforcing device for the cast-in-situ plate and strip of the assembled laminated slab according to claim 1, wherein the plastic nut (1) is made of PVC, PP or PE.

4. The fabricated laminated slab cast-in-situ slab band reinforcing device according to claim 1, wherein the plastic nut (1) is replaced by a stainless steel nut.

5. The reinforcing device for the cast-in-situ slab band of the fabricated laminated slab according to claim 1, wherein the square tube back ridge (4) is replaced by a steel tube.

6. The assembled laminated slab cast-in-situ slab band reinforcing device according to claim 1, wherein a clamping structure for disassembly and assembly is arranged in the middle of the through-wire screw (2).

7. The fabricated laminated slab cast-in-place slab band reinforcing apparatus of claim 6, wherein the clamping structure is a hexagonal nut or square structure.