CN215717174U

CN215717174U - Supporting structure is exempted from in cast-in-place area of detachable superimposed sheet

Info

Publication number: CN215717174U
Application number: CN202122091352.0U
Authority: CN
Inventors: 钟成帅; 李龙; 易璐瑶
Original assignee: CSCEC Strait Construction and Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-01
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to a detachable laminated slab cast-in-place belt support-free structure which comprises a template, a plurality of square timbers and two steel pipes, wherein the template is positioned below a construction joint; including two concrete bed hedgehopping pieces, two square wooden bed hedgehopping pieces and a plurality of angle steel that are located construction joint top: the two concrete heightening blocks are respectively positioned on the top surfaces of the prefabricated bottom plates on two sides of the construction joint, the two square wood heightening blocks are respectively positioned on the two concrete heightening blocks, the angle steel is arranged along the direction vertical to the length direction of the construction joint, and two sides of the angle steel are supported on the two square wood heightening blocks; including to drawing screw rod subassembly: the PVC sleeve is sleeved outside the screw of the split screw component, the screw is longitudinally arranged, the lower end of the screw sequentially penetrates through the template and the square timber and extends to the position below the steel pipe from the position between the two steel pipes, the butterfly clamp is screwed at the bottom of the screw, the two grooves of the butterfly clamp the two steel pipes, and the fastening bolt is screwed at the bottom of the screw below the butterfly clamp; the upper end penetrates through the angle steel to extend to the upper part of the angle steel and is in threaded connection with an adjusting bolt.

Description

Supporting structure is exempted from in cast-in-place area of detachable superimposed sheet

Technical Field

The utility model relates to the technical field of laminated slab cast-in-place belts support-free structures, in particular to a detachable laminated slab cast-in-place belt support-free structure.

Background

The prefabricated buildings are more and more, the construction of the cast-in-place strip of the laminated slab becomes a key technology in the construction process of the prefabricated buildings, and particularly in the construction of a wood formwork system, the rigidity difference and deformation of the support of the laminated slab and the support of the position template of the cast-in-place strip are inconsistent, so that the quality defects of slurry leakage, slab staggering and the like easily occur at the position of the cast-in-place strip of the laminated slab, the polishing and finishing quantity of the position of the cast-in-place strip at the later stage is large, and the finishing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a detachable laminated slab cast-in-place belt support-free structure, which is made of recyclable structural materials, simple, reliable and strong in operability, and controllable in molding quality.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a detachable laminated slab cast-in-place belt support-free structure,

including template, a plurality of square timber and two steel pipes that are located construction joint below: the template is transversely arranged, two sides of the template extend to the lower part of the prefabricated bottom plate at two sides of the construction joint, the length direction of the square timber is arranged below the template along the direction vertical to the length direction of the construction joint, and the two steel pipes are arranged below the square timber side by side along the direction parallel to the length direction of the construction joint;

including two concrete bed hedgehopping pieces, two square wooden bed hedgehopping pieces and a plurality of angle steel that are located construction joint top: the two concrete heightening blocks are respectively positioned on the top surfaces of the prefabricated bottom plates on two sides of the construction joint, the two square wood heightening blocks are respectively positioned on the two concrete heightening blocks, the angle steel is arranged along the direction vertical to the length direction of the construction joint, and two sides of the angle steel are supported on the two square wood heightening blocks;

including to drawing screw rod subassembly: the PVC sleeve is sleeved outside the screw of the split screw component, the screw is longitudinally arranged, the lower end of the screw sequentially penetrates through the template and the square timber and extends to the position below the steel pipe from the position between the two steel pipes, the butterfly clamp is screwed at the bottom of the screw, the two grooves of the butterfly clamp the two steel pipes, and the fastening bolt is screwed at the bottom of the screw below the butterfly clamp; the upper end penetrates through the angle steel to extend to the upper part of the angle steel and is in threaded connection with an adjusting bolt.

Further, concrete pad height piece and square lumber pad height piece are rectangular form, and the length direction of concrete pad height piece and square lumber pad height piece all arranges along being on a parallel with construction joint length direction.

Furthermore, a sponge strip is clamped at the contact part of the side edge of the template and the prefabricated bottom plate.

Furthermore, the square timbers are arranged at intervals.

Furthermore, two sides of the square timber extend to the outer sides of two sides of the template.

Furthermore, the angle steels are arranged at intervals.

Furthermore, the number and the position of the angle steel correspond to the number and the position of the square timber below the arrangement position of the angle steel.

Furthermore, the upper end of a PVC sleeve of the screw upper sleeve extends to the lower part of the bottom surface of the angle steel, and the lower end of the PVC sleeve extends to the position above the butterfly card.

The utility model has the following beneficial effects:

the utility model does not need to erect a formwork support at the cast-in-place belt part of the laminated slab, can reduce a large amount of frame bodies and formwork investment when the laminated slab is constructed by a wood formwork, solves the defects of slurry leakage, uneven slab bottom, dislocation and the like caused by inconsistent rigidity of the laminated slab and the supporting bottom plate formwork in the concrete pouring process, reduces and avoids secondary grinding and maintenance of the ceiling and the ceiling, and saves the maintenance and grinding cost. The PVC sleeve is sleeved outside the screw, all materials can be recycled after the screw is disassembled, and the screw hole can be plugged subsequently. The construction cost is low, the construction is simple and convenient, and the construction quality is reliable. The concrete pad high piece is produced according to post-cast superimposed layer thickness, and concrete pad high piece upper surface flushes with the thick upper surface of design board, concrete placement thickness when can the auxiliary control construction to reach the effect of the whole thickness of control superimposed sheet.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the following figures and specific examples:

referring to fig. 1, a cast-in-place area of detachable superimposed sheet exempts from bearing structure, includes template 11, a plurality of square timber 12 and two steel pipes 13 that set gradually in construction joint 10 below from top to bottom, sets gradually two concrete block 21, two square timber block 22 and a plurality of angle steel 23 and to pulling screw assembly in construction joint 10 top from bottom to top.

The template 11 transversely lays under construction joint 10 and both sides extend to the prefabricated bottom plate 20 below of construction joint 10 both sides, the part that the template 11 side and prefabricated bottom plate 20 contact presss from both sides is equipped with the sponge strip (not shown in the figure), prevents to leak thick liquid. The length direction of the square timber 12 is arranged along the length direction perpendicular to the construction joint 10, and two sides of the square timber 12 extend to the outer sides of two sides of the template 11. The square timbers 12 and the square timbers 12 are arranged below the template 11 at intervals. Two steel pipes 13 are arranged side by side below the square timber 12 in a direction parallel to the length direction of the construction joint 10.

Two concrete pad high blocks 21 are respectively located on the prefabricated bottom plate 20 top surface of construction joint 10 both sides, concrete pad high block 21 is rectangular form and length direction arranges along being on a parallel with construction joint 10 length direction. The two square wood block-up blocks 22 are respectively positioned on the two concrete block-up blocks 21, and the square wood block-up blocks 22 are long-strip-shaped and are arranged in the length direction parallel to the length direction of the construction joint 10. The angle steel 23 is arranged along the length direction perpendicular to the construction joint 10, and two sides of the angle steel 23 are supported on the two square wooden block bedding blocks 22. The angle steels 23 are arranged at intervals from the angle steels 23. Preferably, the number and the arrangement position of the angle steel 23 correspond to the number and the position of the square timber 12 below.

The counter-pulling screw component comprises a screw 31, a butterfly clamp 32, a fastening bolt 33 and an adjusting bolt 34, a PVC sleeve 35 is sleeved outside the screw 31, the screw 31 sleeved with the PVC sleeve 35 is longitudinally arranged, the lower end of the screw sequentially penetrates through holes formed in the template 11 and the square timber 12 and extends to the position below the steel pipe 13 from the position between the two steel pipes 13, the butterfly clamp 32 is screwed at the bottom of the screw 31, the two steel pipes 13 are clamped by two grooves of the butterfly clamp 32, and the fastening bolt 33 is screwed at the bottom of the screw 31 below the butterfly clamp 32; the upper end of the adjusting bolt penetrates through a through hole formed in the angle steel 23, extends to the upper part of the angle steel 23 and is in threaded connection with the adjusting bolt 34. The upper end of a PVC sleeve 35 sleeved on the screw 31 extends to the lower part of the bottom surface of the angle steel 23, and the lower end extends to the position above the butterfly card 32.

The support-free structure of the detachable laminated slab cast-in-place belt is used, a formwork erecting process is not needed for the position of the laminated slab cast-in-place belt, the concrete cushion high block 21 is produced according to the thickness of the post-cast laminated layer, the upper surface of the concrete cushion high block 21 is flush with the upper surface of the designed plate thickness, and the concrete casting thickness during construction can be controlled in an auxiliary mode; the PVC sleeve 35 is sleeved outside the screw 31, all materials can be recycled after the screw 31 is disassembled, and then the hole of the screw 31 is plugged.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a bearing structure is exempted from in cast-in-place area of detachable superimposed sheet which characterized in that:

the construction joint comprises a template (11) positioned below a construction joint (10), a plurality of square timbers (12) and two steel pipes (13): the template (11) is transversely arranged, two sides of the template extend to the lower portions of the prefabricated bottom plates (20) on two sides of the construction joint (10), the length direction of the square timber (12) is arranged below the template (11) along the direction perpendicular to the length direction of the construction joint (10), and the two steel pipes (13) are arranged below the square timber (12) side by side along the direction parallel to the length direction of the construction joint (10);

the construction joint comprises two concrete heightening blocks (21) positioned above the construction joint (10), two square wood heightening blocks (22) and a plurality of angle steels (23): the two concrete heightening blocks (21) are respectively positioned on the top surfaces of the prefabricated bottom plates (20) on the two sides of the construction joint (10), the two square wooden heightening blocks (22) are respectively positioned on the two concrete heightening blocks (21), the angle steel (23) is arranged along the direction vertical to the length direction of the construction joint (10), and the two sides of the angle steel (23) are supported on the two square wooden heightening blocks (22);

including to drawing screw rod subassembly: PVC sleeves (35) are sleeved outside screw rods (31) of the split screw rod assemblies, the screw rods (31) are longitudinally arranged, the lower ends of the screw rods sequentially penetrate through the template (11) and the square timber (12) and extend to the positions below the steel pipes (13) from the positions between the two steel pipes (13), butterfly cards (32) are screwed at the bottoms of the screw rods (31), the two steel pipes (13) are clamped by two grooves of the butterfly cards (32), and fastening bolts (33) are screwed at the bottoms of the screw rods (31) below the butterfly cards (32); the upper end of the adjusting bolt penetrates through the angle steel (23) to extend above the angle steel (23) and is in threaded connection with the adjusting bolt (34).

2. The cast-in-place area of detachable superimposed sheet of claim 1 exempts from bearing structure, its characterized in that: concrete tie-up piece (21) and square lumber tie-up piece (22) are rectangular form, and the length direction of concrete tie-up piece (21) and square lumber tie-up piece (22) all arranges along being on a parallel with construction joint (10) length direction.

3. The cast-in-place area of detachable superimposed sheet of claim 1 exempts from bearing structure, its characterized in that: sponge strips are clamped at the contact parts of the side edges of the templates (11) and the prefabricated bottom plates (20).

4. The cast-in-place area of detachable superimposed sheet of claim 1 exempts from bearing structure, its characterized in that: the square timber (12) and the square timber (12) are arranged at intervals.

5. The cast-in-place area of detachable superimposed sheet of claim 1 exempts from bearing structure, its characterized in that: two sides of the square timber (12) extend to the outer sides of two sides of the template (11).

6. The cast-in-place area of detachable superimposed sheet of claim 4 exempts from bearing structure, its characterized in that: the angle steel (23) and the angle steel (23) are arranged at intervals.

7. The cast-in-place area of detachable superimposed sheet of claim 6 exempts from bearing structure, its characterized in that: the number of the angle steels (23) corresponds to the number and the positions of the square timbers (12) at the lower part and the arrangement positions.

8. The cast-in-place area of detachable superimposed sheet of claim 1 exempts from bearing structure, its characterized in that: the upper end of a PVC sleeve (35) sleeved on the screw (31) extends to the lower part of the bottom surface of the angle steel (23), and the lower end extends to the position above the butterfly card (32).