CN213979504U - Sectional type anti-floating pull rod for cast-in-place concrete hollow floor system - Google Patents
Sectional type anti-floating pull rod for cast-in-place concrete hollow floor system Download PDFInfo
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- CN213979504U CN213979504U CN202022420934.4U CN202022420934U CN213979504U CN 213979504 U CN213979504 U CN 213979504U CN 202022420934 U CN202022420934 U CN 202022420934U CN 213979504 U CN213979504 U CN 213979504U
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Abstract
The utility model discloses an anti pull rod that floats of hollow superstructure sectional type of cast in situ concrete, including template, evenly install at a plurality of packing centre forms and the net piece reinforcing bar of fixed mounting on packing centre form top on template top, even fixed mounting has a plurality of sectional type anti pull rod that floats between template and the net piece reinforcing bar, and every sectional type anti pull rod that floats all includes the sill bar of fixed mounting on template top, and the equal threaded connection in top of every sill bar has the ejector pin, all rotates on the lateral wall on every ejector pin top and installs annular installation piece. The utility model discloses in with sill bar fixed mounting in the template of filling centre form bottom, then with the couple connect on the net piece reinforcing bar of filling the centre form top and with the help of the percussion drill rotation ejector pin, the ejector pin drives annular installation piece, couple and net piece reinforcing bar and moves down and just can fix the top at the template with filling centre form and net piece reinforcing bar to fill the centre form when can preventing to pour and upwards float, reasonable in design, excellent in practical effect.
Description
Technical Field
The utility model relates to a construction technical field especially relates to an anti pull rod that floats of hollow superstructure sectional type of cast in situ concrete.
Background
The cast-in-place concrete hollow floor construction technology is a new technology developed in recent years in China, has the advantages of light self weight, large span, good rigidity, good sound and heat insulation, lower cost and the like compared with a solid concrete floor, is particularly suitable for building engineering with large bay and large span requirements, because the cast-in-place concrete has light self weight and a large quantity, a buoyancy effect is generated during concrete pouring, the problem that the concrete is not good is solved, a light person causes the elevation of a local floor to be ultrahigh, the thickness of a decoration method is reduced, a heavy person can cause large-area upward floating to generate quality accidents, the existing filling inner mold is fixed by an iron wire with the diameter of 3-5mm, when an anti-floating control point is fixed, one end of the iron wire penetrates out of a hole on a template, the iron wire end penetrates back from the hole after being firmly tied with a support system of the template, and after iron distribution and ribs on the template are well arranged and tied, two ends of the iron wire are screwed at the anti-floating control point to prevent the filling inner mold from floating upwards, and a large amount of iron wire exists on the bottom surface of the concrete floor slab after the template is removed by the method, so that the later-stage decoration and fitment of the floor slab are influenced, and therefore, the sectional type connecting piece for the cast-in-place concrete hollow floor slab, which is convenient to assemble and disassemble, is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the concrete floor bottom surface has a large amount of iron wires to influence the later stage decoration of the floor after the method template is removed, and providing the anti-floating pull rod of the hollow floor sectional type of cast-in-place concrete.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti pull rod that floats of hollow superstructure sectional type of cast in situ concrete, includes the template, evenly installs at a plurality of packing centre forms on template top and the net piece reinforcing bar of fixed mounting on packing centre form top, even fixed mounting has a plurality of sectional type anti pull rod, every between template and the net piece reinforcing bar the anti pull rod that floats of sectional type all includes the sill bar of fixed mounting on template top, every the equal threaded connection in top of sill bar has the ejector pin, every all rotate on the lateral wall on ejector pin top and install annular installation piece, every equal fixed mounting has the couple on the lateral wall of annular installation piece, and the couple all connects on net piece reinforcing bar, every all be equipped with guider between couple and the sill bar.
Preferably, every the equal fixed mounting in bottom of sill bar has the connecting block, and the connecting block all pastes tightly on the roof of template, every all insert on the roof of connecting block and be equipped with a plurality of fastening screws, and fastening screws all runs through connecting block and threaded connection on the template.
Preferably, each outer side wall at the top end of the ejector rod is fixedly provided with an annular limiting block, and each inner side wall of the annular mounting block is provided with an annular limiting groove matched with the annular limiting block.
Preferably, the guiding device comprises a fixed block fixedly mounted on the outer side wall of the top end of the bottom rod, a guiding rod is fixedly mounted on the bottom wall of the hook, and the bottom end of the guiding rod penetrates through the fixed block.
Preferably, the top wall of each ejector rod is provided with a connecting hole matched with the impact drill.
Compared with the prior art, the utility model discloses there is following beneficial effect:
1. the bottom rod is fixedly installed on the template at the bottom end of the filling inner mold, then the hook is connected to the mesh reinforcement at the top end of the filling inner mold, the ejector rod is rotated by the aid of the impact drill, the annular installation block, the hook and the mesh reinforcement are driven by the ejector rod to move downwards, the filling inner mold and the mesh reinforcement can be fixed at the top end of the template, and therefore the filling inner mold can be prevented from floating upwards during pouring, the design is reasonable, and the practical effect is good;
2. simple structure, convenient to use, it is lower to make and use cost, and economic suitability is better, is fit for using widely.
Drawings
Fig. 1 is a front structural sectional view of a sectional anti-floating pull rod for a cast-in-place concrete hollow floor provided by the utility model;
fig. 2 is a schematic front structural view of a sectional anti-floating pull rod for a cast-in-place concrete hollow floor provided by the utility model;
fig. 3 is the utility model provides an enlarged view of a part A structure of anti floating pull rod of hollow superstructure sectional type of cast in situ concrete.
In the figure: 1 sill bar, 2 ejector pins, 3 connecting blocks, 4 fastening screws, 5 annular mounting blocks, 6 hooks, 7 annular limiting blocks, 8 annular limiting grooves, 9 fixing blocks, 10 guide rods and 11 connecting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a hollow superstructure sectional type anti-floating pull rod of cast-in-place concrete, including the template, evenly install at a plurality of packing centre forms and the net piece reinforcing bar of fixed mounting on packing centre form top on template top, evenly fixed mounting has a plurality of sectional type anti-floating pull rods between template and the net piece reinforcing bar, every sectional type anti-floating pull rod all includes the sill bar 1 of fixed mounting on the template top, the equal threaded connection in top of every sill bar 1 has ejector pin 2, the equal fixed mounting in bottom of every sill bar 1 has connecting block 3, and connecting block 3 all pastes tightly on the roof of template, all insert on the roof of every connecting block 3 and be equipped with a plurality of fastening screw 4, and fastening screw 4 all runs through connecting block 3 and threaded connection in the template, can be convenient with sill bar 1 fixed mounting in the template.
All rotate on the lateral wall on 2 tops of every ejector pin and install annular installation piece 5, equal fixed mounting has couple 6 on the lateral wall of every annular installation piece 5, and couple 6 all connects on the net piece reinforcing bar, equal fixed mounting has annular stopper 7 on the lateral wall on 2 tops of every ejector pin, all set up the annular spacing groove 8 of mutually supporting with annular stopper 7 on the inside wall of every annular installation piece 5, 5 free rotation of annular installation piece and annular installation piece 5 can not follow ejector pin 2 and drop relatively.
All be equipped with guider between every couple 6 and the sill bar 1, guider includes fixed block 9 of fixed mounting on 1 top lateral wall of sill bar, fixed mounting has guide bar 10 on the diapire of couple 6, and the bottom of guide bar 10 runs through the setting of fixed block 9, 1 relative sill bar of couple 6 can only reciprocate, with 1 fixed mounting of sill bar in the template of filling the centre form bottom, then connect couple 6 on the net piece reinforcing bar of filling the centre form top and with the help of the percussion drill rotation ejector pin 2, ejector pin 2 drives annular installation piece 5, couple 6 and net piece reinforcing bar move down just can fix the top at the template with filling centre form and net piece reinforcing bar, thereby can prevent to fill the centre form when pouring and upwards float.
All seted up on the roof of every ejector pin 2 and bored the connecting hole 11 of mutually supporting with the impact, be convenient for bore the impact and be connected to the top of ejector pin 2 fast, accurately.
The utility model discloses in, with 1 fixed mounting of sill bar in the template of filling centre form bottom, then connect couple 6 on the net piece reinforcing bar of filling the centre form top and rotate ejector pin 2 with the help of the percussion drill, ejector pin 2 drives annular installation piece 5, couple 6 and net piece reinforcing bar downstream and just can be fixed the top at the template with filling the centre form and net piece reinforcing bar to fill the centre form when can preventing to pour and upwards float.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an anti pull rod that floats of hollow superstructure sectional type of cast in situ concrete, includes the template, evenly installs at a plurality of packing centre forms on template top and the net piece reinforcing bar of fixed mounting on packing centre form top, even fixed mounting has a plurality of sectional type anti pull rod that floats, its characterized in that between template and the net piece reinforcing bar: every anti superficial pull rod of sectional type all includes sill bar (1), every of fixed mounting on the template top the equal threaded connection in top of sill bar (1) has ejector pin (2), every equal rotate on the lateral wall on ejector pin (2) top and install annular installation piece (5), every equal fixed mounting has couple (6) on the lateral wall of annular installation piece (5), and couple (6) all connect on the net piece reinforcing bar, every all be equipped with guider between couple (6) and sill bar (1).
2. The sectional type anti-floating pull rod for the cast-in-place concrete hollow floor system according to claim 1, wherein: every the equal fixed mounting in bottom of sill bar (1) has connecting block (3), and connecting block (3) all paste tightly on the roof of template, every all insert on the roof of connecting block (3) and be equipped with a plurality of fastening screw (4), and fastening screw (4) all through connection piece (3) and threaded connection are on the template.
3. The sectional type anti-floating pull rod for the cast-in-place concrete hollow floor system according to claim 1, wherein: every equal fixed mounting has annular stopper (7) on the lateral wall on ejector pin (2) top, every all set up annular spacing groove (8) of mutually supporting with annular stopper (7) on the inside wall of annular installation piece (5).
4. The sectional type anti-floating pull rod for the cast-in-place concrete hollow floor system according to claim 1, wherein: the guiding device comprises a fixed block (9) fixedly mounted on the outer side wall of the top end of the bottom rod (1), a guiding rod (10) is fixedly mounted on the bottom wall of the hook (6), and the bottom end of the guiding rod (10) penetrates through the fixed block (9) to be arranged.
5. The sectional type anti-floating pull rod for the cast-in-place concrete hollow floor system according to claim 1, wherein: and a connecting hole (11) matched with the percussion drill is formed in the top wall of each ejector rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420934.4U CN213979504U (en) | 2020-10-27 | 2020-10-27 | Sectional type anti-floating pull rod for cast-in-place concrete hollow floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420934.4U CN213979504U (en) | 2020-10-27 | 2020-10-27 | Sectional type anti-floating pull rod for cast-in-place concrete hollow floor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213979504U true CN213979504U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022420934.4U Active CN213979504U (en) | 2020-10-27 | 2020-10-27 | Sectional type anti-floating pull rod for cast-in-place concrete hollow floor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213979504U (en) |
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2020
- 2020-10-27 CN CN202022420934.4U patent/CN213979504U/en active Active
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