CN209907939U - Pre-buried device that reserved pipeline passed hole in floor concrete placement - Google Patents
Pre-buried device that reserved pipeline passed hole in floor concrete placement Download PDFInfo
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- CN209907939U CN209907939U CN201920178812.3U CN201920178812U CN209907939U CN 209907939 U CN209907939 U CN 209907939U CN 201920178812 U CN201920178812 U CN 201920178812U CN 209907939 U CN209907939 U CN 209907939U
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Abstract
The utility model discloses a preformed pipe passes pre-buried device of hole among floor concrete placement, the pre-buried device of having solved current pipeline preformed hole appears running position phenomenon easily and takes out the problem of difficulty after the sleeve pipe is pre-buried. The steel pipe concrete pouring floor formwork comprises a cylindrical steel sleeve (2), a sleeve top cover body (3) is fixedly welded to the top port of the cylindrical steel sleeve (2), a central through hole (4) is formed in the sleeve top cover body (3), a screw rod (5) is movably inserted into the central through hole (4), an upper limiting nut (7) is screwed on the screw rod (5) above the central through hole (4), a linear handle (6) is arranged at the top end of the screw rod (5), a lower limiting nut (8) is screwed on the screw rod (5) below the central through hole (4), the cylindrical steel sleeve (2) is movably arranged on the floor concrete pouring floor formwork (1), and the bottom end of the screw rod (5) is screwed with the floor concrete pouring floor formwork (1). The sleeve pipe integral type, convenient operation, it is not fragile.
Description
Technical Field
The invention relates to an embedding device for forming a pipeline preformed hole in floor slab concrete pouring, in particular to an embedding device and an embedding method for forming the pipeline preformed hole in floor slab concrete pouring.
Background
In the construction of high-rise buildings, before concrete floor slabs are poured, embedded sleeves for forming pipeline preformed holes are fixedly arranged on floor slab reinforcing steel bars; the method in the prior art comprises the following steps: the method comprises the following steps of pre-embedding PVC pipes, cutting the PVC pipes with corresponding pipe diameters by constructors, wherein the length of the PVC pipes is 20 mm higher than that of a floor slab, cutting the PVC pipes with different pipe diameters according to a construction drawing, filling foam boards into the pipes in order to prevent concrete from being poured into the floor slab concrete in the PVC pipes, winding and bonding the two ends of the pipes by adhesive tapes to prevent the concrete from leaking, fixing the PVC pipes on a bottom formwork of the floor slab, fixing the peripheries of the pipes by nails, and winding and bonding wires to firmly bond the pipes; the construction method has the problems that the workload is large, the sleeve is not firmly fixed in the concrete pouring process of the floor slab, the displacement phenomenon is easy to occur, and the sleeve is difficult to take out after being embedded.
Disclosure of Invention
The invention provides a pre-burying device and a pre-burying method for a reserved pipeline through hole in floor slab concrete pouring, and solves the technical problems that the existing pre-burying device for the reserved pipeline hole is easy to have a position deviation phenomenon and is difficult to take out after a sleeve is pre-buried.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the steel pipe replaces the traditional PVC sleeve, the disc-shaped cover body is welded at the top end of the steel pipe, the through hole is formed in the disc-shaped cover body, the screw rod penetrates into the steel pipe, the steel pipe can be fixed through the screw rod, and the whole device with the lifting function can be formed.
The utility model provides a pre-buried device that preformed pipe passed hole in floor concrete placement, including floor concrete placement die block board and cylindrical steel casing pipe, fixed welding has sleeve pipe top lid on cylindrical steel casing pipe's top port, be provided with central through-hole on sleeve pipe top lid, the screw rod activity is pegged graft in central through-hole, the spiro union has last spacing nut on the screw rod of central through-hole top, top at the screw rod is provided with a font handle, the spiro union has lower spacing nut on the screw rod of central through-hole below, cylindrical steel casing pipe activity sets up on floor concrete placement die block board, the bottom and the floor concrete placement die block board spiro union of screw rod are in the same place.
And a cover body annular overhanging eave is arranged on a sleeve pipe top cover body fixedly welded on the top port of the cylindrical steel sleeve.
A pre-burying method for a reserved pipeline passing hole in floor slab concrete pouring is characterized by comprising the following steps:
firstly, manufacturing a steel sleeve according to the caliber of a reserved pipeline and the thickness of a floor plate, and enabling the height of the cylindrical steel sleeve to be 30 cm higher than the thickness of the floor plate; manufacturing a sleeve top cover body by using a steel plate, so that the diameter of the sleeve top cover body is larger than the outer diameter of the cylindrical steel sleeve, and drilling a central through hole in the center of the sleeve top cover body; manufacturing a screw rod, making the diameter of the screw rod smaller than the inner diameter of the central through hole, making the bottom end of the screw rod into a pointed shape, and welding a linear handle at the top end of the screw rod;
secondly, screwing an upper limit nut on the screw rod, rotating the upper limit nut to the upper part of the screw rod, inserting the screw rod into the central through hole, and screwing a lower limit nut on the screw rod;
thirdly, positioning the cylindrical steel sleeve on the floor concrete pouring bottom template, rotating the screw rod through the linear handle to enable the screw rod to be in threaded connection with the floor concrete pouring bottom template, enabling the upper limiting nut to be abutted against the top cover body of the sleeve, enabling the upper limiting nut to form compression on the cylindrical steel sleeve, and enabling a gap not to be formed between the bottom port of the cylindrical steel sleeve and the floor concrete pouring bottom template;
the fourth step, pour floor concrete, after the intensity of floor concrete reaches 50% of design strength, the reverse rotation screw rod, make the screw rod break away from with floor concrete placement die block, strike the lid annular with the tup and hang the eaves of encorbelmenting, make cylindrical steel casing pipe and pour floor concrete produce not hard up, upward carry the straight line handle, the screw rod can rebound, until the lower bottom surface of lower spacing nut and sleeve pipe top lid hugs closely, upward carry the straight line handle of hand again, deviate from cylindrical steel casing pipe from floor concrete, form and reserve the pipeline and pass the hole.
The invention fully utilizes the durability of the steel sleeve and the integral sleeve, is convenient to operate, is not easy to damage and can be repeatedly utilized, improves the construction efficiency and achieves the purposes of convenient construction, energy conservation and environmental protection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the screw 5 of the present invention;
figure 3 is a schematic illustration of the invention with the cylindrical steel casing 2 removed.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a pre-buried device for a reserved pipeline to pass through a hole in floor concrete pouring comprises a floor concrete pouring bottom template 1 and a cylindrical steel sleeve 2, a sleeve top cover body 3 is fixedly welded on the top port of the cylindrical steel sleeve 2, a central through hole 4 is formed in the sleeve top cover body 3, a screw 5 is movably inserted into the central through hole 4, an upper limit nut 7 is screwed on the screw 5 above the central through hole 4, a linear handle 6 is arranged at the top end of the screw 5, a lower limit nut 8 is screwed on the screw 5 below the central through hole 4, the cylindrical steel sleeve 2 is movably arranged on the floor concrete pouring bottom template 1, and the bottom end of the screw 5 is screwed with the floor concrete pouring bottom template 1; the reserved device can be connected together by the limiting nut 7 and the limiting nut 8, and all parts are not easy to lose, so that the sleeve device forms a whole.
And a cover body annular overhanging eave 9 is arranged on the sleeve top cover body 3 fixedly welded on the top port of the cylindrical steel sleeve 2.
A pre-burying method for a reserved pipeline passing hole in floor slab concrete pouring is characterized by comprising the following steps:
firstly, manufacturing a steel sleeve 2 according to the caliber of a reserved pipeline and the thickness of a floor plate, and enabling the height of the cylindrical steel sleeve 2 to be 30 cm higher than the thickness of the floor plate; manufacturing a sleeve top cover body 3 by using a steel plate, enabling the diameter of the sleeve top cover body 3 to be larger than the outer diameter of the cylindrical steel sleeve 2, and drilling a central through hole 4 in the center of the sleeve top cover body 3; manufacturing a screw rod 5, making the diameter of the screw rod 5 smaller than the inner diameter of the central through hole 4, making the bottom end of the screw rod 5 into a pointed shape, and welding a linear handle 6 at the top end of the screw rod 5;
secondly, screwing an upper limit nut 7 on the screw rod 5, rotating the upper limit nut 7 to the upper part of the screw rod 5, then inserting the screw rod 5 into the central through hole 4, and screwing a lower limit nut 8 on the screw rod 5;
thirdly, positioning the cylindrical steel sleeve 2 on the floor concrete pouring bottom template 1, rotating the screw 5 through the in-line handle 6 to enable the screw 5 to be in threaded connection with the floor concrete pouring bottom template 1, enabling the upper limiting nut 7 to be abutted with the sleeve top cover body 3, enabling the upper limiting nut 7 to compress the cylindrical steel sleeve 2, and enabling a gap not to be formed between a bottom port of the cylindrical steel sleeve 2 and the floor concrete pouring bottom template 1;
fourthly, pouring floor concrete 11, when the strength of the floor concrete 11 reaches 50% of the designed strength, reversely rotating the screw rod 5 to separate the screw rod 5 from the floor concrete pouring bottom formwork 1, knocking the annular overhanging eave 9 of the cover body by using the hammer 10 to loosen the cylindrical steel sleeve 2 and the poured floor concrete 11, lifting the linear handle 6 upwards, enabling the screw rod 5 to move upwards until the lower limit nut 8 abuts against the lower bottom surface of the cover body 3 at the top of the sleeve, lifting the linear handle 6 upwards, and separating the cylindrical steel sleeve 2 from the floor concrete 11 to form a reserved pipeline passing hole; the steel sleeve, the screw and the limiting nut are integrally removed and then repeatedly used, and the screw 5 cannot be separated from the cylindrical steel sleeve 2 due to the action of the two limiting nuts.
Claims (2)
1. A pre-buried device for a reserved pipeline to pass through a hole in floor concrete pouring comprises a floor concrete pouring bottom template (1) and a cylindrical steel sleeve (2), it is characterized in that a sleeve top cover body (3) is fixedly welded on the top port of the cylindrical steel sleeve (2), a central through hole (4) is arranged on the cover body (3) at the top of the sleeve, a screw rod (5) is movably inserted in the central through hole (4), an upper limit nut (7) is screwed on the screw rod (5) above the central through hole (4), the top end of the screw rod (5) is provided with a linear handle (6), the screw rod (5) below the central through hole (4) is connected with a lower limiting nut (8) in a threaded mode, the cylindrical steel sleeve (2) is movably arranged on the floor concrete pouring bottom formwork (1), and the bottom end of the screw rod (5) is connected with the floor concrete pouring bottom formwork (1) in a threaded mode.
2. The pre-buried device for the through hole of the reserved pipeline in the concrete pouring of the floor slab as claimed in claim 1, wherein a cover annular overhanging eave (9) is arranged on a sleeve top cover body (3) fixedly welded on a top port of the cylindrical steel sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178812.3U CN209907939U (en) | 2019-02-01 | 2019-02-01 | Pre-buried device that reserved pipeline passed hole in floor concrete placement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178812.3U CN209907939U (en) | 2019-02-01 | 2019-02-01 | Pre-buried device that reserved pipeline passed hole in floor concrete placement |
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| Publication Number | Publication Date |
|---|---|
| CN209907939U true CN209907939U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920178812.3U Active CN209907939U (en) | 2019-02-01 | 2019-02-01 | Pre-buried device that reserved pipeline passed hole in floor concrete placement |
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| CN (1) | CN209907939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397904A (en) * | 2023-06-08 | 2023-07-07 | 山西三建集团有限公司 | Positioning method of positioning mechanism for reserved steel sleeve on cast-in-situ floor plate of high-rise building |
-
2019
- 2019-02-01 CN CN201920178812.3U patent/CN209907939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397904A (en) * | 2023-06-08 | 2023-07-07 | 山西三建集团有限公司 | Positioning method of positioning mechanism for reserved steel sleeve on cast-in-situ floor plate of high-rise building |
| CN116397904B (en) * | 2023-06-08 | 2023-08-08 | 山西三建集团有限公司 | Positioning method of positioning mechanism for reserved steel sleeve on cast-in-situ floor plate of high-rise building |
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