CN216810542U - Device for preventing hollow steel box body of cast-in-place flat slab from floating up and displacing - Google Patents
Device for preventing hollow steel box body of cast-in-place flat slab from floating up and displacing Download PDFInfo
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- CN216810542U CN216810542U CN202220394372.7U CN202220394372U CN216810542U CN 216810542 U CN216810542 U CN 216810542U CN 202220394372 U CN202220394372 U CN 202220394372U CN 216810542 U CN216810542 U CN 216810542U
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Abstract
The utility model provides a device for preventing a steel hollow box body of a cast-in-place flat slab from floating upwards and displacing, and belongs to the technical field of hollow box body anti-floating devices. The problem of quality accident appears in order to solve because the flow state nature of concrete can lead to hollow box come-up, and light person causes local floor elevation superelevation, and heavy person causes the hollow box come-up of large tracts of land. All be provided with at least one stop device between two adjacent hollow box, stop device is plate body or frame structure, and stop device includes the depressed part in the middle of and the circular bead of depressed part both sides, and the circular bead overlap joint of stop device one side is on one side hollow box, and the depressed part passes the rib roof beam template, and opposite side circular bead overlap joint is on adjacent hollow box. At least one limiting device is used for clamping two adjacent hollow box bodies on the rib beam template, so that the hollow box bodies are prevented from floating upwards during pouring, the elevation of a local floor slab is prevented from being ultrahigh, and the building quality is ensured; the structure is comparatively simple, during construction, the limiting device is clamped on the rib beam template, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of hollow box anti-floating devices, in particular to a device for preventing a cast-in-place flat slab steel hollow box from floating upwards and displacing.
Background
The cast-in-situ hollow floor structure is characterized in that a hollow box body is embedded in a cast-in-situ concrete floor according to the design, so that the consumption of concrete is saved, the self weight of the structure is reduced, the construction cost is reduced, the earthquake action is reduced, the net height of a building is increased, and the sound insulation and heat insulation performance of the floor is improved. The technology is a newer technology developed in recent years, and aims to save concrete in a region with smaller stress in the middle of the cross section of a floor slab according to the stress principle of a reinforced concrete structure, skillfully combines the advantages of good integrity of a cast-in-place solid floor slab and light dead weight, large span and the like of a prefabricated hollow floor slab, is suitable for buildings with various spans and various loads, is particularly suitable for multi-layer and high-rise buildings with large span, large load and large space, and comprises the following steps: office buildings, teaching buildings, business residential buildings, shopping malls, hotels, civil houses, underground parking lots and the like. However, the part of the floor slab bearing the large concentrated load is not provided with an internal mold, and the partition plate bearing the large concentrated dynamic load is not a hollow floor slab.
The cast-in-place hollow floor structure has the problem of floating of the hollow box body due to the flow property of concrete, the problem that the height of a local floor slab is overhigh due to poor solution and light weight is solved, the thickness of a decoration method is reduced, and subsequent decoration is influenced; heavy people can cause large-area hollow box bodies to float upwards, and quality accidents occur.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows:
the cast-in-place hollow floor system structure aims to solve the problems that a hollow box body floats upwards due to the flow state property of concrete, the elevation of a local floor slab is ultrahigh due to light persons, the decoration method thickness is reduced, large-area hollow box bodies float upwards due to heavy persons, and quality accidents occur.
The utility model adopts the technical scheme for solving the technical problems that:
the utility model provides a device for preventing a cast-in-place flat slab steel hollow box body from floating upwards, wherein at least one limiting device is arranged between two adjacent hollow box bodies, each limiting device is of a plate body or a frame body structure and comprises a middle sunken part and shoulders on two sides of the sunken part, the shoulder on one side of each limiting device is lapped on the hollow box body on one side, the sunken part penetrates through a rib beam template between the two adjacent hollow box bodies, and the shoulder on the other side of each limiting device is lapped on the adjacent hollow box body.
Furthermore, a limiting device is arranged between two adjacent hollow box bodies.
Furthermore, the concave part is in lap joint with the upper rib beam of the rib beam template, and the concave part is positioned between two adjacent strapping hoops on the rib beam template.
Furthermore, a shoulder of the limiting device is welded with the hollow box body or the rib beam template.
Furthermore, the shoulder of the limiting device is connected with the hollow box body through a bolt.
Furthermore, one side of the upper cover of the hollow box body, which is close to the rib beam template, is provided with a shoulder limiting groove, the shoulder is provided with a clamping block, and the clamping block is clamped in the shoulder limiting groove.
Furthermore, the limiting device and the rib beam template are fixedly bound through metal wires.
Furthermore, the cross section of the limiting device is trapezoidal, the shoulder comprises a shoulder part and a connecting part, and an included angle a formed by the connecting part and the concave part is 90-120 degrees.
Further, the height difference between the shoulder and the concave part is the same as the height difference between the upper cover of the hollow box body and the upper layer rib beam of the rib beam formwork.
Further, stop device is shaped steel stop device or aluminum alloy stop device.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model relates to a device for preventing a steel hollow box body of a cast-in-place flat slab from floating upwards, which comprises shoulders on two sides and a middle sunken part, wherein at least one limiting device is used for clamping two adjacent hollow box bodies on a rib beam template;
the limiting device is simple in structure, the limiting device is clamped on the rib beam formwork in construction, operation is simple and convenient, the anti-floating effect is good, the hollow box body can be fixed under the condition of less construction time, construction quality is guaranteed, and construction efficiency is improved.
Drawings
FIG. 1 is a first perspective view of a device for preventing a cast-in-place flat slab steel hollow box from floating upward and displacing according to the utility model;
FIG. 2 is a second perspective view of the device for preventing the steel hollow box body of the cast-in-place flat slab floor from floating upward;
FIG. 3 is a first side view of the device for preventing the steel hollow box body of the cast-in-place flat slab floor from floating upward;
FIG. 4 is a second side view of the device for preventing the steel hollow box body of the cast-in-place flat slab floor from floating upward;
FIG. 5 is a third side view of the device for preventing the steel hollow box body of the cast-in-place flat slab floor from floating upward and displacing according to the utility model;
fig. 6 is a side view of the spacing device of the present invention.
Description of reference numerals:
the rib beam formwork comprises, by weight, 1-rib beam formwork, 2-hollow box bodies, 3-limiting devices, 4-bolts, 5-metal wires, 1-1-rib beams, 1-2-binding hoops, 2-1-shoulder limiting grooves, 3-1-shoulders, 3-2-sunken parts, 3-3-clamping blocks, 3-11-shoulder parts and 3-12-connecting parts.
Detailed Description
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", "left", "right", and the like in the embodiments indicate terms of orientation, and are used only for simplifying the positional relationship based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must operate according to the specific orientation and the defined operation, method, and configuration, and such terms are not to be construed as limiting the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first specific embodiment is as follows: referring to fig. 1 to 5, the utility model provides a device for preventing a cast-in-situ flat slab steel hollow box body from floating upward, at least one limiting device 3 is arranged between two adjacent hollow box bodies 2, when at least two limiting devices 3 are arranged between two adjacent hollow box bodies 2, the limiting devices 3 are uniformly distributed along the direction of the rib beam template 1 between two adjacent hollow box bodies 2, the limiting device 3 is a plate body or a frame body structure, the limiting device 3 comprises a concave part 3-2 in the middle and shoulders 3-1 at two sides of the concave part 3-2, the shoulder 3-1 of one side of the limiting device 3 is lapped on the hollow box body 2 on one side, the concave part 3-2 is positioned between the rib beam templates 1 between two adjacent hollow box bodies 2, and the shoulder 3-1 of the other side of the limiting device 3 is lapped on the adjacent hollow box body 2.
The at least one limiting device 3 is used for clamping two adjacent hollow box bodies 2 on the rib beam template 1, and the hollow box bodies 2 are fixed, so that the hollow box bodies 2 cannot float upwards under the action of concrete when the concrete is poured, the elevation of a local floor slab is prevented from being ultrahigh, the thickness of a decoration method is increased, a larger space is provided for subsequent decoration, a large number of hollow box bodies are prevented from floating upwards, and the building quality is ensured;
when the limiting device 3 is of a frame structure, the self weight can be reduced, and the influence on the construction quality of the whole flat slab is avoided; when the limiting device 3 is of a plate body structure, the fixing effect is better;
Furthermore, one, two, three or four limiting devices 3 which are uniformly distributed are arranged between every two adjacent hollow boxes 2.
The second specific embodiment: referring to fig. 1 to 5, a limiting device 3 is disposed between two adjacent hollow boxes 2. Other combinations and connections of this embodiment are the same as those of the first embodiment.
Furthermore, shoulders 3-1 of the limiting device 3 are all lapped at the middle positions of four edges of the upper cover of the hollow box body 2.
The third concrete implementation scheme is as follows: referring to fig. 1 to 5, the concave portion 3-2 is overlapped with the upper layer rib beam 1-1 of the rib beam formwork 1, and the concave portion 3-2 is located between two adjacent binding hoops 1-2 on the rib beam formwork 1 and between two adjacent layers of rib beams 1-1 of the rib beam formwork 1, and the binding hoops 1-2 are reinforcing steel bars for fixing the rib beam 1-1. Other combinations and connections of this embodiment are the same as those of the first embodiment.
The fourth specific embodiment: as shown in fig. 1 to 5, a shoulder 3-1 of the limiting device 3 is welded to the hollow box body 2 or the rib beam formwork 1, so as to increase the fixing effect of the limiting device 3 on the hollow box body 2. Other combinations and connections of this embodiment are the same as those of the third embodiment.
The fifth concrete implementation scheme is as follows: as shown in fig. 1 to 5, a shoulder 3-1 of the limiting device 3 is connected with the hollow box 2 through a bolt 4 or a fastening screw, so as to increase the fixing effect of the limiting device 3 on the hollow box 2. Other combinations and connections of this embodiment are the same as those of the third embodiment.
The sixth specific embodiment: referring to fig. 1 to 5, shoulder limiting grooves 2-1 are formed in one side, close to a rib beam formwork 1, of an upper cover of a hollow box body 2, clamping blocks 3-3 are arranged on the shoulders 3-1, and the clamping blocks 3-3 are clamped in the shoulder limiting grooves 2-1 and used for increasing the fixing effect of the limiting device 3 on the hollow box body 2. Other combinations and connections of this embodiment are the same as those of the third embodiment.
The seventh specific embodiment: referring to fig. 1 to 5, the limiting device 3 is bound and fixed with the rib beam formwork 1 through a metal wire 5 or a steel bar, so as to increase the fixing effect of the limiting device 3 on the hollow box body 2. Other combinations and connections of this embodiment are the same as the fourth, fifth or sixth embodiment.
The specific embodiment eight: referring to fig. 1 to 6, the section of the limiting device 3 is trapezoidal, the shoulder 3-1 comprises a shoulder part 3-11 and a connecting part 3-12, an included angle a between the connecting part 3-12 and the bottom of the concave part 3-2 is 90-120 degrees, and the included angle a between the connecting part 3-12 and the bottom of the concave part 3-2 can be adjusted according to the shape of the rib beam formwork 1 or the actual construction site condition. Other combinations and connections of this embodiment are the same as those of the seventh embodiment.
Further, the angle a between the connecting part 3-12 and the bottom of the concave part 3-2 is 90 degrees.
The specific embodiment is nine: as shown in fig. 1 to 6, the height difference between the shoulder 3-1 and the recess 3-2 is the same as the height difference between the upper cover of the hollow box 2 and the upper rib 1-1 of the rib formwork 1, and the shoulder 3-1 and the recess are used for clamping two adjacent hollow boxes 2 on the rib formwork 1 by using the limiting device 3. Other combinations and connections of this embodiment are the same as those of embodiment eight.
The specific embodiment ten: referring to fig. 1 to 6, the limiting device 3 is a section steel limiting device or an aluminum alloy limiting device. Other combinations and connections of this embodiment are the same as those of the ninth embodiment.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The utility model provides a prevent hollow box come-up displacement device of cast-in-place no roof beam steel which characterized in that: all be provided with at least one stop device (3) between two adjacent hollow box (2), stop device (3) are plate body or frame structure, stop device (3) are including depressed part (3-2) and circular bead (3-1) of depressed part (3-2) both sides in the middle of including, circular bead (3-1) overlap joint on one side hollow box (2) of stop device (3) one side, rib roof beam template (1) between two adjacent hollow box (2) is passed in depressed part (3-2), and stop device (3) opposite side circular bead (3-1) overlap joint is on adjacent hollow box (2).
2. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to claim 1, which is characterized in that: a limiting device (3) is arranged between two adjacent hollow box bodies (2).
3. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to claim 1, which is characterized in that: the concave parts (3-2) are in lap joint with the upper layer rib beam (1-1) of the rib beam template (1), and the concave parts (3-2) are positioned between two adjacent binding hoops (1-2) on the rib beam template (1).
4. The device for preventing the cast-in-place flat slab steel hollow box body from floating upwards according to the claim 3, characterized in that: and a shoulder (3-1) of the limiting device (3) is welded with the hollow box body (2) or the rib beam template (1).
5. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to the claim 3, which is characterized in that: and a shoulder (3-1) of the limiting device (3) is connected with the hollow box body (2) through a bolt (4).
6. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to the claim 3, which is characterized in that: shoulder limiting grooves (2-1) are formed in one side, close to the rib beam template (1), of the upper cover of the hollow box body (2), clamping blocks (3-3) are arranged on the shoulders (3-1), and the clamping blocks (3-3) are clamped in the shoulder limiting grooves (2-1).
7. The device for preventing the steel hollow box body of the cast-in-place flat slab floor from floating upwards according to the claim 4, 5 or 6, which is characterized in that: and the limiting device (3) and the rib beam template (1) are bound and fixed through a metal wire (5).
8. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to claim 7, wherein the device comprises: the section of the limiting device (3) is trapezoidal, the shoulder (3-1) comprises a shoulder part (3-11) and a connecting part (3-12), and an included angle a formed by the connecting part (3-12) and the concave part (3-2) is 90-120 degrees.
9. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to claim 7, wherein the device comprises: the height difference between the shoulder (3-1) and the concave part (3-2) is the same as the height difference between the upper cover of the hollow box body (2) and the upper layer rib beam (1-1) of the rib beam template (1).
10. The device for preventing the hollow steel box body of the cast-in-place flat slab floor from floating upwards according to claim 9, wherein the device comprises: the limiting device (3) is a section steel limiting device or an aluminum alloy limiting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394372.7U CN216810542U (en) | 2022-02-25 | 2022-02-25 | Device for preventing hollow steel box body of cast-in-place flat slab from floating up and displacing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220394372.7U CN216810542U (en) | 2022-02-25 | 2022-02-25 | Device for preventing hollow steel box body of cast-in-place flat slab from floating up and displacing |
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| CN216810542U true CN216810542U (en) | 2022-06-24 |
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| CN202220394372.7U Active CN216810542U (en) | 2022-02-25 | 2022-02-25 | Device for preventing hollow steel box body of cast-in-place flat slab from floating up and displacing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126140A (en) * | 2022-07-23 | 2022-09-30 | 山西建筑工程集团有限公司 | Hollow floor light solid box body assembly and hollow floor structure thereof |
| CN115262836A (en) * | 2022-07-12 | 2022-11-01 | 中国二十冶集团有限公司 | Anti-floating device of hollow steel-wood box for building |
-
2022
- 2022-02-25 CN CN202220394372.7U patent/CN216810542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262836A (en) * | 2022-07-12 | 2022-11-01 | 中国二十冶集团有限公司 | Anti-floating device of hollow steel-wood box for building |
| CN115126140A (en) * | 2022-07-23 | 2022-09-30 | 山西建筑工程集团有限公司 | Hollow floor light solid box body assembly and hollow floor structure thereof |
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