CN210239143U - Reserved hole sleeve fixing part for laminated floor slab - Google Patents
Reserved hole sleeve fixing part for laminated floor slab Download PDFInfo
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- CN210239143U CN210239143U CN201921054880.5U CN201921054880U CN210239143U CN 210239143 U CN210239143 U CN 210239143U CN 201921054880 U CN201921054880 U CN 201921054880U CN 210239143 U CN210239143 U CN 210239143U
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- horizontal support
- flat steel
- sleeve
- floor slab
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Abstract
The utility model provides a hole sleeve pipe mounting is reserved to coincide floor, the vertical setting of sleeve pipe is in prefabricated coincide floor, cast in situ concrete has been pour on the prefabricated coincide floor, its characterized in that: the prefabricated composite floor slab comprises a vertical harness screw, a butterfly nut fixed on the vertical harness screw, an upper horizontal support used for supporting an upper pipe orifice of a sleeve, a circular ring fixed at the bottom of the vertical harness screw, and a lower horizontal support fixed with the circular ring through a semicircular ring, wherein the lower horizontal support is abutted against the bottom surface of a prefabricated composite floor slab; and the two ends of the upper horizontal support are respectively provided with an adjustable support which is propped against the top surface of the prefabricated composite floor slab. The utility model discloses can recycle, small and exquisite nimble, efficient, fixed effectual, concrete vibration can not have the displacement phenomenon, reserves the entrance to a cave shaping of high quality, reduces the later stage and picks the chisel, has reduced construction cost.
Description
Technical Field
The utility model relates to a construction field specifically belongs to a coincide floor reserves entrance to a cave sleeve pipe mounting.
Background
Due to the development of the fabricated building, the form of the traditional cast-in-place floor slab template is changed, and the construction of the laminated slab prefabricated in a factory does not need large-area formwork supporting work, so that the unsupported template under most of reserved holes of pipelines can borrow the fixed sleeve, and the fixing mode of the sleeve needs to be changed. The fixing of the reserved hole sleeve of the existing assembled floor slab, namely the composite floor slab, is realized by binding iron wires on the upper part of a steel bar truss of the prefabricated composite slab, the fixing is not firm in the mode and easy to shake, and the phenomena of hole edge corner falling and hole deflection are easily caused when the reserved sleeve is pulled out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reserved hole sleeve fixing part for a composite floor slab, which aims to solve the technical problem that the reserved hole sleeve on the composite floor slab is not firmly fixed under the condition of no support in the prior art; and the problem of poor forming quality of the reserved hole of the composite floor slab is solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hole sleeve pipe mounting is reserved to coincide floor, the vertical setting of sleeve pipe is in prefabricated coincide floor, cast in situ concrete, its characterized in that have been pour on the prefabricated coincide floor: the prefabricated composite floor slab comprises a vertical harness screw, a butterfly nut fixed on the vertical harness screw, an upper horizontal support used for supporting an upper pipe orifice of a sleeve, a circular ring fixed at the bottom of the vertical harness screw, and a lower horizontal support fixed with the circular ring through a semicircular ring, wherein the lower horizontal support is abutted against the bottom surface of a prefabricated composite floor slab; the upper horizontal support both ends all are equipped with adjustable support, adjustable support supports on prefabricated coincide floor top surface.
Further preferably, the adjustable support comprises an upper flat steel, a lower flat steel and a bolt, wherein a vertical strip-shaped through hole is formed in the upper flat steel or the lower flat steel, and the upper flat steel or the lower flat steel which is not provided with the vertical strip-shaped through hole is fixed with the nut of the bolt in a spot welding mode.
Further, the ring is made of a nut.
Further, the length of the upper flat steel is 120-140 mm, the length of the lower flat steel is 60-80 mm of the thickness of cast-in-place concrete, and the length of the vertical strip-shaped through hole is 30-40 mm.
In addition, the horizontal support length of the lower part of the left side of the semicircular ring is the diameter length of the sleeve plus 50mm, and the horizontal support length of the lower part of the right side of the semicircular ring is the diameter length of the sleeve plus 100 mm.
More preferably, the upper horizontal support is made of flat steel.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model discloses can recycle, small and exquisite nimble, efficient, fixed effectual, concrete vibration can not have the displacement phenomenon, reserves the entrance to a cave shaping of high quality, reduces the later stage and picks the chisel, has reduced construction cost.
The utility model has the characteristics of safety, be suitable for etc, there are fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Drawings
Fig. 1 is a schematic structural view of a composite floor slab reserved hole sleeve fixing member of the present invention;
fig. 2 is a schematic structural view of an adjustable support according to the present invention;
fig. 3 is a schematic structural view of the connection between the circular ring and the semicircular ring according to the present invention.
Reference numerals: 1-a vertical harness cord screw; 2-a sleeve; 3-upper horizontal support; 4-a circular ring; 5-semicircular ring; 6-horizontal support at the lower part; 7-prefabricating a laminated floor slab; 8-butterfly nuts; 9-upper flat steel; 10-lower flat steel; 11-vertical strip-shaped through holes; 12-a bolt; 13-cast in situ concrete.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
Example one
The utility model provides a coincide floor reservation entrance to a cave sleeve pipe mounting, as shown in figure 1, sleeve pipe 2 is vertical to be set up in prefabricated coincide floor 7, cast-in-place concrete 13 has been pour on prefabricated coincide floor 7, sleeve pipe 2 adopts steel or PVC all can, including vertical harness screw 1, fix butterfly nut 8 on vertical harness screw 1, be used for supporting orificial upper portion horizontal support 3 on sleeve pipe 2, fix the ring 4 in vertical harness screw 1 bottom, through the fixed lower part horizontal support 6 of semicircle ring 5 and ring 4, the fixed mode of semicircle ring 5 and ring 4 is as shown in figure 3, lower part horizontal support 6 supports on prefabricated coincide floor 7 bottom surface, upper portion horizontal support 3 both ends all are equipped with adjustable support, adjustable support supports on prefabricated coincide floor 7 top surface.
Carry out two
On the basis of the first implementation, as shown in fig. 2, the adjustable support comprises an upper flat steel 9, a lower flat steel 10 and a bolt 12, wherein the upper flat steel 9 or the lower flat steel 10 is provided with a vertical strip-shaped through hole 11, the upper flat steel 9 or the lower flat steel 10 which is not provided with the vertical strip-shaped through hole 11 is fixed with a nut of the bolt 12 by spot welding, a circular ring 4 is made of the nut, the upper flat steel 9 is 120-140 mm long, the lower flat steel 10 is 80mm thick in cast-in-place concrete 13, the vertical strip-shaped through hole 11 is 30-40 mm long, the left lower horizontal support 6 of the semicircular ring 5 is 50mm long in diameter of the sleeve 2, the right lower horizontal support 6 is 100mm long in diameter of the sleeve 2, the upper horizontal support 3 is made of the flat steel 4-40 mm flat steel, the lower horizontal support 6 is made of a threaded round steel with a diameter of 10mm, the semicircular ring 5 is made of a round steel with a diameter of 8mm, the diameter of the vertical harness cord screw 1 is 16 mm.
The device for fixing the reserved hole sleeve of the laminated floor slab and the corresponding construction method are innovatively developed, the movable cross arm is arranged below the device, the hole of the prefabricated part of the laminated floor slab is conveniently placed and lifted, the two sides of the device are detachably supported, the bolt is used for driving the screw to be fixed to the maximum extent, and the device can be used repeatedly.
The specific construction method comprises the following steps:
(1) preparation for construction
1) Preparing materials: reserving a sleeve, wherein a fixing device adopts 4 x 40mm flat steel, a phi 16 lead screw and phi 10 deformed steel, the material is subjected to in-field inspection in time after entering the field, and the sleeve and the corresponding fixing device are prefabricated according to the specification of the drawing;
2) the equipment of machines: cutting machine, electric welding machine, hacksaw, steel file, monkey wrench, hole digger, electric drill etc..
Testing the apparatus: pencils, tape rulers, leveling rulers, chalk bags, thread plummets and the like;
3) preparing a technology; construction drawings and technical data are complete, and before construction, construction personnel are required to be organized to be familiar with drawings and schemes and carry out safe and technical intersection;
(2) and measuring and positioning. Correcting the position of a reserved hole on the laminated slab according to the size and the elevation of a construction drawing, and determining the position of a hole of a post-cast part according to the hole on the laminated slab;
(3) according to the project characteristics, a PVC plastic pipe or a steel sleeve can be used as a reserved sleeve, when the PVC sleeve is adopted, the plastic pipe is longitudinally split to match with a hole with a deviation size on the laminated slab if necessary, and the size of the hole is matched by utilizing the flexibility of the plastic pipe;
(4) and a supporting piece for fixing the sleeve is additionally arranged. The traditional sleeve fixing mode is improved, two sides of a flat steel which is transversely fixed by a sleeve are respectively provided with a flat steel which plays a supporting role in the vertical direction, in order to prevent the vertical supporting part of the flat steel from being pulled out after pouring, a detachable flat steel is arranged at a position 120mm in the vertical direction, in order to avoid the flatness deviation of the prefabricated part of the laminated slab, a long hole with the thickness of 30mm is formed in the connecting position of the flat steels, so that the flexibility of extension and retraction can be conveniently adjusted and increased, the material and the thickness of the long hole meet the rigidity of a fixed sleeve, and a site technical manager participates in ensuring the manufacturing quality of the sleeve;
(5) the waste nut is additionally arranged at the lower part of the harness cord screw rod with the diameter of phi 16 and is used as a connecting point to be welded with the round steel with the diameter of phi 10, so that the upper and lower bearing cross arms (deformed steel bars) can be repeatedly utilized, the process of disassembling the lower cross arm is reduced, the round steel can place the welding spot of the nut at 2/3 of the length of the round steel according to the size of the reserved hole, and the round steel can be conveniently used and taken out from the hole in a folded shape.
(6) The operation method comprises the following steps: aiming at the opening without a supporting part, firstly, a butterfly nut of a harness cord screw of a fixing device is adjusted to a proper length, then the harness cord screw and deformed steel are folded and placed into a sleeve, the sleeve and the deformed steel are placed in the opening without the support of the prefabricated laminated slab, the folded harness cord screw and the deformed steel can be naturally unfolded according to the principle that weights of two sides of a welding point of the deformed steel are different, the deformed steel is parallel to the bottom of the prefabricated laminated slab, the harness cord screw is pulled up until a vertical supporting piece is fixed on the prefabricated laminated slab, and finally, a butterfly lock nut on the harness cord is screwed.
(7) And checking and accepting.
1) The sleeve and the fixing piece are firmly installed without obvious deflection.
2) The position of the reserved hole is accurately positioned and is reliably fixed to prevent position deviation.
3) The mounting is connected, guarantees that screw nut uses sensitively.
4) The flat steel on the two sides of the vertical support is uniformly stressed, and the slurry leakage phenomenon at the joint of the sleeve is prevented.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hole sleeve pipe mounting is reserved to coincide floor, the vertical setting of sleeve pipe (2) is in prefabricated coincide floor (7), cast in situ concrete (13), its characterized in that have been pour on prefabricated coincide floor (7): the prefabricated composite floor slab comprises a vertical harness screw (1), a butterfly nut (8) fixed on the vertical harness screw (1), an upper horizontal support (3) used for supporting a pipe orifice on a sleeve (2), a circular ring (4) fixed at the bottom of the vertical harness screw (1), and a lower horizontal support (6) fixed with the circular ring (4) through a semicircular ring (5), wherein the lower horizontal support (6) abuts against the bottom surface of a prefabricated composite floor slab (7); the two ends of the upper horizontal support (3) are both provided with adjustable supports which are propped against the top surface of the prefabricated composite floor slab (7).
2. The pre-opening sleeve fixing part for laminated floor slabs as claimed in claim 1, wherein: the adjustable support comprises an upper flat steel (9), a lower flat steel (10) and a bolt (12), wherein a vertical strip-shaped through hole (11) is formed in the upper flat steel (9) or the lower flat steel (10), and the upper flat steel (9) or the lower flat steel (10) is not provided with the vertical strip-shaped through hole (11) and is fixed with the nut of the bolt (12) in a spot welding mode.
3. The pre-opening sleeve fixing part for laminated floor slabs as claimed in claim 1, wherein: the circular ring (4) is made of a nut.
4. The pre-opening sleeve fixing part for laminated floor slab as claimed in claim 2, wherein: the length of the upper flat steel (9) is 120-140 mm, the length of the lower flat steel (10) is equal to the thickness of cast-in-place concrete (13) plus 80mm, and the length of the vertical strip-shaped through hole (11) is 30-40 mm.
5. The pre-opening sleeve fixing part for laminated floor slabs as claimed in claim 1, wherein: the length of the horizontal support (6) at the lower part of the left side of the semicircular ring (5) is the diameter length of the sleeve (2) plus 50mm, and the length of the horizontal support (6) at the lower part of the right side of the semicircular ring is the diameter length of the sleeve (2) plus 100 mm.
6. The pre-opening sleeve fixing part for the composite floor slab as claimed in any one of claims 1 to 5, wherein: the upper horizontal support (3) is made of flat steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054880.5U CN210239143U (en) | 2019-07-08 | 2019-07-08 | Reserved hole sleeve fixing part for laminated floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054880.5U CN210239143U (en) | 2019-07-08 | 2019-07-08 | Reserved hole sleeve fixing part for laminated floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239143U true CN210239143U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054880.5U Active CN210239143U (en) | 2019-07-08 | 2019-07-08 | Reserved hole sleeve fixing part for laminated floor slab |
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| CN (1) | CN210239143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339080A (en) * | 2020-10-21 | 2021-02-09 | 上海建工四建集团有限公司 | Hole reserving device, reserved component and hole reserving method for prefabricated laminated slab |
-
2019
- 2019-07-08 CN CN201921054880.5U patent/CN210239143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339080A (en) * | 2020-10-21 | 2021-02-09 | 上海建工四建集团有限公司 | Hole reserving device, reserved component and hole reserving method for prefabricated laminated slab |
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