CN212453264U - Anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete - Google Patents
Anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete Download PDFInfo
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- CN212453264U CN212453264U CN202020611701.XU CN202020611701U CN212453264U CN 212453264 U CN212453264 U CN 212453264U CN 202020611701 U CN202020611701 U CN 202020611701U CN 212453264 U CN212453264 U CN 212453264U
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Abstract
The utility model discloses a cast-in-place concrete hollow floor mandrel anti-floating reinforcing device, which comprises a steel bar, a hollow floor, a first screw, a second screw, a nut and a mandrel, wherein the steel bar is transversely lapped at the upper port of the hollow floor, the first screw is vertically welded at the middle point of the steel bar, and the first screw is arranged in the hollow floor; the lower end of the first screw is screwed into one half of the nut, and the rest one half of the nut is screwed with the second screw; the second screw penetrates through the core mold, the second screw is connected with the mountain-shaped clamp in a rotating mode, and the core mold is fixed through the mountain-shaped clamp. The cast-in-place concrete hollow floor core mold anti-floating reinforcing device is simple in construction method and strong in operability, after concrete is poured and the mountain-shaped clamp is removed, the second screw rod and the first screw rod can be detached, the reinforcing device cannot be left on the surface of a floor slab, and reinforcing steel bars can be made of waste materials, so that the recycling can be realized, and the energy conservation and the environmental protection can be realized.
Description
Technical Field
The utility model relates to a hollow superstructure mandrel of cast in situ concrete is anti floats construction technical field, specifically is a hollow superstructure mandrel of cast in situ concrete is anti floats reinforcing apparatus.
Background
The technology of the cast-in-place concrete hollow floor system in China is developed rapidly, the cast-in-place concrete hollow floor system can solve the problem of limitation caused by net height of floors, the net height of the floors is limited due to beams, and particularly, the cast-in-place concrete hollow floor system can save engineering cost for industrial buildings and public buildings with strict requirements on the net height of the floors, and is popular among many designers. However, the core mold is easy to float up when the cast-in-place concrete hollow floor is poured by concrete, the quality of structural engineering is influenced, the common core mold reinforcing method is used for reinforcing by steel bars or iron wires, the steel bars or tie wires are left at the bottom of the floor after the template is removed and need to be cut off, the core mold is easy to rust after the cutting off is finished, and the quality of the steel bars of the main structure body can be influenced after a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete, it is simple to have a construction method, and maneuverability is strong, advantages such as waste material reuse to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cast-in-place concrete hollow floor core mold anti-floating reinforcing device comprises a steel bar, a hollow floor, a first screw, a second screw, a nut and a core mold, wherein the steel bar is transversely lapped at the upper port of the hollow floor, the first screw is vertically welded at the midpoint of the steel bar, and the first screw is arranged inside the hollow floor; the lower end of the first screw is screwed into one half of the nut, and the rest one half of the nut is screwed with the second screw; the second screw penetrates through the core mold, the second screw is connected with the mountain-shaped clamp in a rotating mode, and the core mold is fixed through the mountain-shaped clamp.
Preferably, the diameter of the reinforcing steel bar, the diameter of the first screw and the diameter of the second screw are all 12 mm.
Preferably, the first screw rod is detachably connected with the second screw rod through a screw cap.
Preferably, the mountain-shaped clamp is provided with a screw hole matched with the second screw rod and is in threaded connection with the second screw rod through the screw hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the cast-in-place concrete hollow floor core mold anti-floating reinforcing device is simple in construction method and strong in operability, after concrete is poured and the mountain-shaped clamp is removed, the second screw rod and the first screw rod can be detached, the reinforcing device cannot be left on the surface of a floor slab, and reinforcing steel bars can be made of waste materials, so that the recycling can be realized, and the energy conservation and the environmental protection can be realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
figure 2 is a front view of the present invention in figure 1;
FIG. 3 is a connecting diagram of the internal structure of the hollow floor of the present invention;
fig. 4 is a front view of fig. 3 according to the present invention.
In the figure: 1. reinforcing steel bars; 2. a hollow floor; 3. a first screw; 4. a second screw; 5. a nut; 6. a core mold; 7. a mountain card.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the core mold anti-floating reinforcement device for the cast-in-place concrete hollow floor comprises a steel bar 1, a hollow floor 2, a first screw 3, a second screw 4, a nut 5 and a core mold 6, wherein the steel bar 1 is transversely lapped at the upper port of the hollow floor 2, the first screw 3 is vertically welded at the midpoint of the steel bar 1, and the first screw 3 is arranged inside the hollow floor 2; the lower end of the first screw rod 3 is screwed into one half of the screw cap 5, and the rest one half of the screw cap 5 is screwed with the second screw rod 4; the second screw rod 4 penetrates through the core mould 6, the mountain-shaped clamp 7 is rotatably connected to the second screw rod 4, and the core mould 6 is fixed through the mountain-shaped clamp 7, so that the core mould 6 is prevented from floating in concrete pouring, and the strength of the concrete after pouring meets the requirement.
In the above embodiment, the diameters of the steel bar 1, the first screw rod 3 and the second screw rod 4 are all 12mm, so that the steel bar 1, the first screw rod 3 and the second screw rod can be firmly connected in a matching manner, the steel bar 1 can be made of leftover materials, and the leftover materials can be utilized and poured into the structure together with concrete.
In the above embodiment, the first screw 3 is detachably connected to the second screw 4 by the nut 5.
In the above embodiment, the mountain-shaped clamp 7 is provided with the screw hole matching with the second screw rod 4 and is in threaded connection with the second screw rod 4 through the screw hole, the mountain-shaped clamp 7 and the second screw rod 4 can be independently disassembled and assembled and can be repeatedly used, and the floor bottom can be directly subjected to next procedure without cutting off a fixing component left at the floor bottom and retreating.
In summary, the following steps: the cast-in-place concrete hollow floor core mold anti-floating reinforcing device is simple in construction method and strong in operability, after concrete is poured and the mountain-shaped clamp 7 is removed, the second screw rod 4 and the first screw rod 3 can be detached, the reinforcing device cannot be left on the surface of a floor slab, the reinforcing steel bars 1 can be made of waste materials, recycling can be achieved, and energy conservation and environmental protection are achieved.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete, includes reinforcing bar (1), hollow superstructure (2), first screw rod (3), second screw rod (4), nut (5) and mandrel (6), its characterized in that: the steel bar (1) is transversely lapped at the upper port of the hollow floor (2), a first screw (3) is vertically welded at the middle point of the steel bar (1), and the first screw (3) is arranged in the hollow floor (2); the lower end of the first screw rod (3) is screwed into one half of the screw cap (5), and the rest one half of the screw cap (5) is screwed with the second screw rod (4); the second screw rod (4) penetrates through the core mold (6), the second screw rod (4) is connected with the mountain-shaped clamp (7) in a rotating mode, and the core mold (6) is fixed through the mountain-shaped clamp (7).
2. The cast-in-place concrete hollow floor core mold anti-floating reinforcing device as claimed in claim 1, is characterized in that: the diameters of the steel bar (1), the first screw (3) and the second screw (4) are all 12 mm.
3. The cast-in-place concrete hollow floor core mold anti-floating reinforcing device as claimed in claim 1, is characterized in that: the first screw rod (3) is detachably connected with the second screw rod (4) through a screw cap (5).
4. The cast-in-place concrete hollow floor core mold anti-floating reinforcing device as claimed in claim 1, is characterized in that: the mountain-shaped card (7) is provided with a screw hole matched with the second screw rod (4) and is in threaded connection with the second screw rod (4) through the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611701.XU CN212453264U (en) | 2020-04-22 | 2020-04-22 | Anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611701.XU CN212453264U (en) | 2020-04-22 | 2020-04-22 | Anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete |
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| Publication Number | Publication Date |
|---|---|
| CN212453264U true CN212453264U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020611701.XU Active CN212453264U (en) | 2020-04-22 | 2020-04-22 | Anti reinforcing apparatus that floats of hollow superstructure mandrel of cast in situ concrete |
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| CN (1) | CN212453264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175145A (en) * | 2021-04-30 | 2021-07-27 | 上海二十冶建设有限公司 | Polystyrene square box core mold construction method for hollow floor system |
-
2020
- 2020-04-22 CN CN202020611701.XU patent/CN212453264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175145A (en) * | 2021-04-30 | 2021-07-27 | 上海二十冶建设有限公司 | Polystyrene square box core mold construction method for hollow floor system |
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