CN211257811U - Turnover screw rod for laminated slab cast-in-place slab band - Google Patents
Turnover screw rod for laminated slab cast-in-place slab band Download PDFInfo
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- CN211257811U CN211257811U CN201921722822.5U CN201921722822U CN211257811U CN 211257811 U CN211257811 U CN 211257811U CN 201921722822 U CN201921722822 U CN 201921722822U CN 211257811 U CN211257811 U CN 211257811U
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Abstract
A turnover screw rod of a laminated slab cast-in-place slab band comprises a pre-buried structure reserved in a floor slab and a detachable tie structure used for tying square timber to enable the position of the cast-in-place floor slab to form a closed pouring space, wherein the pre-buried structure comprises a cross rod and a sleeve, and the sleeve is welded at the center of the cross rod; the utility model is suitable for the drawknot support of the upper template of the cast-in-place board of the laminated slab, and the device has simple structure and convenient installation; the device is when dismantling, only need rotate the screw rod can be with it from the inside take out of sleeve can, and need not saw the screw rod off, such structure setting makes the device's efficiency of construction high, the screw rod can carry out many times turnover, material saving cost, use the device to carry out the floor form removal that assembles fast, efficient.
Description
Technical Field
The utility model belongs to the technical field of the construction, specifically a cast-in-place slab band of superimposed sheet can have enough to meet need screw rod.
Background
With the development of the building industry, the traditional house building mode is gradually developing to an industrial building mode, and standardization, scale, industrialization and industrialization are further realized; the fabricated building is a form of building industrialization, and is a concrete shear wall structure formed by integrally connecting a cast-in-place wall body, prefabricated wall boards, prefabricated laminated slabs, prefabricated stairs and the like. The hoisting construction of the composite floor slab is an important component in the structural system;
the existing construction method of the laminated slab cast-in-place slab band is a formwork hanging method, in the construction process, a screw is inserted into a spliced seam to fix a formwork, and the screw is sawn off after the concrete is poured and the formwork removing condition is met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, a cast-in-place slab band of superimposed sheet can have enough to meet need the screw rod is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a turnover screw rod of a laminated slab cast-in-place slab band comprises a pre-buried structure reserved in a floor slab and a detachable tie structure used for tying square timber to form a closed pouring space at the position of the cast-in-place floor slab, wherein,
the embedded structure comprises a cross rod and a sleeve, and the sleeve is welded at the center of the cross rod;
the drawknot structure comprises a screw, a mountain-shaped clamp and a fastening threaded sleeve, the mountain-shaped clamp and the fastening threaded sleeve are rotatably sleeved on the screw, and one end of the screw is rotatably inserted into the sleeve.
Preferably, the cross rod and the sleeve are perpendicular to each other, so that the embedded structure forms a T-shaped structure.
Preferably, the inner wall of the sleeve is in a threaded structure, and the inner thread of the sleeve is matched with the outer thread of the screw.
Preferably, the inner diameter of the chevron-shaped clamp is larger than the external connection of the screw rod, and the inner diameter of the chevron-shaped clamp is smaller than the outer diameter of the fastening screw sleeve.
Preferably, the outer wall of the bottom of the sleeve is coated with antirust paint.
Preferably, the cross bar is made of steel bars with the diameter of 20 mm.
The utility model relates to a laminated slab cast-in-place plate with a turnable screw, which has simple structure and convenient installation;
the device is when dismantling, only need rotate the screw rod can be with it from the inside take out of sleeve can, and need not saw the screw rod off, such structure setting makes the device's efficiency of construction high, the screw rod can carry out many times turnover, material saving cost, installation and dismantlement convenience for use the device to assemble floor form removal fast, efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of a revolving screw of a laminated slab cast-in-place slab band of the present invention;
fig. 2 is the utility model discloses a cast-in-place slab band of superimposed sheet can have enough to meet need assembly of screw rod and use the sketch map.
Reference numerals: 1. a cross bar; 2. a sleeve; 3. a screw; 4. a mountain-shaped card; 5. fastening a threaded sleeve; 6. cast-in-place slab band of the laminated slab; 7. overlapping the floor slabs; 8. and (4) square wood.
Detailed Description
The following description further describes a specific embodiment of a revolving screw rod of a laminated slab cast-in-place slab band in combination with fig. 1. The utility model relates to a cast-in-place slab band of superimposed sheet can have enough to meet need the screw rod and is not limited to the description of following embodiment.
As shown in fig. 1, a concrete structure of a revolving screw of a laminated slab cast-in-place slab band comprises a pre-buried structure reserved in a floor slab and a detachable tie structure for tying square timber to form a closed casting space at the position of the cast-in-place floor slab, wherein,
the embedded structure comprises a cross rod 1 and a sleeve 2, wherein the sleeve 2 is welded at the center of the cross rod 1;
the drawknot structure comprises a screw rod 3, a mountain-shaped clamp 4 and a fastening screw sleeve 5, wherein the mountain-shaped clamp 4 and the fastening screw sleeve 5 are rotatably sleeved on the screw rod 3, and one end of the screw rod 3 is rotatably inserted in the sleeve 2.
The cross rod 1 and the sleeve 2 are perpendicular to each other, so that the embedded structure forms a T-shaped structure.
The inner wall of the sleeve 2 adopts a thread structure, and the inner thread of the sleeve is matched with the outer thread of the screw rod 3.
The inner diameter of the mountain-shaped clamp 4 is larger than the external connection of the screw rod 3, and the inner diameter of the mountain-shaped clamp 4 is smaller than the outer diameter of the fastening screw sleeve 5.
The outer wall of the bottom of the sleeve 2 is coated with antirust paint.
The cross bar 1 is made of steel bars with the diameter of 20 mm.
By adopting the technical scheme:
the device is when dismantling, only need rotate screw rod 3 can be with it from 2 inside take out can, and need not saw off screw rod 3, such structure setting makes the device's efficiency of construction high, screw rod 3 can have enough to meet the need many times, the installation with dismantle the convenience for use the device to assemble floor form removal fast, efficient.
As shown in fig. 2, the concrete assembling, using and disassembling processes of the turnover screw of the laminated slab cast-in-place slab band are as follows:
(a) hoisting the laminated floor slab 7 to a construction position;
(b) erecting a template and a turnover screw at a laminated slab cast-in-place slab band 6 of a laminated floor slab 7 for supporting concrete pouring to form a cast-in-place slab band;
(c) the template for supporting concrete pouring is connected by a plurality of turnable screws which are sequentially arranged at equal intervals along a laminated slab cast-in-place slab band 6, wherein cross rods 1 on the turnable screws are lapped on the top surface of a laminated floor slab 7, screws 3 are screwed in sleeves 2, and the sleeves 2 penetrate through the pouring template and are sleeved with the screws 3;
(d) the bottom surface of the laminated slab cast-in-place slab band 6 is provided with a notch, the width of the notch at least can enable a pouring template to be embedded into the notch, and the bottom surfaces of two sides of the pouring template are provided with square timbers 8, so that the pouring template can be tightly pressed on the bottom surface of a laminated floor slab 7, and the phenomenon of slurry leakage is avoided;
(e) and when the cast-in-place slab band 6 of the laminated slab is cast and molded and reaches a form removal condition, the fastening screw sleeve 5, the mountain-shaped clamp 4 and the square timber 8 are removed in sequence, and the screw 3 is removed relative to the sleeve 2, so that the construction operation of taking out the cast-in-place slab is completed.
The multiple turnover screws are arranged on the laminated slab cast-in-place slab band 6 and are distributed at equal intervals, and the distance between every two adjacent turnover screws is less than or equal to 800 mm.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a cast-in-place slab band of superimposed sheet can have enough to meet need screw rod which characterized in that: comprises a pre-buried structure reserved in the floor slab and a detachable tie structure used for tying square timber to form a closed pouring space at the position of the cast-in-situ floor slab, wherein,
the embedded structure comprises a cross rod (1) and a sleeve (2), and the sleeve (2) is welded at the center of the cross rod (1);
the drawknot structure comprises a screw rod (3), a mountain-shaped clamp (4) and a fastening screw sleeve (5), the mountain-shaped clamp (4) and the fastening screw sleeve (5) are rotatably sleeved on the screw rod (3), and one end of the screw rod (3) is rotatably inserted into the sleeve (2).
2. The recyclable screw for laminated slab cast-in-place slabs as claimed in claim 1, wherein: the cross rod (1) and the sleeve (2) are perpendicular to each other, so that the embedded structure forms a T-shaped structure.
3. The recyclable screw for laminated slab cast-in-place slabs as claimed in claim 1, wherein: the inner wall of the sleeve (2) adopts a thread structure, and the inner thread of the sleeve is matched with the outer thread of the screw (3).
4. The recyclable screw for laminated slab cast-in-place slabs as claimed in claim 1, wherein: the inner diameter of the mountain-shaped clamp (4) is larger than the external connection of the screw rod (3), and the inner diameter of the mountain-shaped clamp (4) is smaller than the outer diameter of the fastening screw sleeve (5).
5. The recyclable screw for laminated slab cast-in-place slabs as claimed in claim 1, wherein: the outer wall of the bottom of the sleeve (2) is coated with antirust paint.
6. The recyclable screw for laminated slab cast-in-place slabs as claimed in claim 1, wherein: the cross bar (1) is made of steel bars with the diameter of 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722822.5U CN211257811U (en) | 2019-10-15 | 2019-10-15 | Turnover screw rod for laminated slab cast-in-place slab band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722822.5U CN211257811U (en) | 2019-10-15 | 2019-10-15 | Turnover screw rod for laminated slab cast-in-place slab band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211257811U true CN211257811U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722822.5U Active CN211257811U (en) | 2019-10-15 | 2019-10-15 | Turnover screw rod for laminated slab cast-in-place slab band |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012481A (en) * | 2020-08-25 | 2020-12-01 | 中国五冶集团有限公司 | Prefabricated laminated slab joint hanging die structure and installation method thereof |
| CN114000631A (en) * | 2021-11-23 | 2022-02-01 | 重庆大学 | Rotary detachable steel frame and laminated plate connecting structure |
| CN114382285A (en) * | 2022-02-08 | 2022-04-22 | 中建八局第三建设有限公司 | Turnover formwork hanging assembly capable of being disassembled and assembled in laminated slab seams |
-
2019
- 2019-10-15 CN CN201921722822.5U patent/CN211257811U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012481A (en) * | 2020-08-25 | 2020-12-01 | 中国五冶集团有限公司 | Prefabricated laminated slab joint hanging die structure and installation method thereof |
| CN114000631A (en) * | 2021-11-23 | 2022-02-01 | 重庆大学 | Rotary detachable steel frame and laminated plate connecting structure |
| CN114382285A (en) * | 2022-02-08 | 2022-04-22 | 中建八局第三建设有限公司 | Turnover formwork hanging assembly capable of being disassembled and assembled in laminated slab seams |
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