CN216665082U - Leveling device for prefabricated floor slab - Google Patents

Leveling device for prefabricated floor slab Download PDF

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Publication number
CN216665082U
CN216665082U CN202122277949.4U CN202122277949U CN216665082U CN 216665082 U CN216665082 U CN 216665082U CN 202122277949 U CN202122277949 U CN 202122277949U CN 216665082 U CN216665082 U CN 216665082U
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China
Prior art keywords
floor slab
steel plate
leveling
precast floor
bolt
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CN202122277949.4U
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刘海东
李嘉喆
吴宏磊
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Architecture Design and Research Institute of Tongji University Group Co Ltd
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Architecture Design and Research Institute of Tongji University Group Co Ltd
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Abstract

The utility model relates to a leveling device for a prefabricated floor slab, which comprises an independent support, a tool beam, a height-adjusting steel gasket and a leveling bolt, wherein the independent support comprises a support steel pipe and a U-shaped steel plate arranged at the upper end of the support steel pipe, and a fine leveling assembly is arranged on the U-shaped steel plate; the tool beam is erected in the U-shaped steel plate, the position of the tool beam can be adjusted in the U-shaped steel plate through the fine leveling assembly, and the prefabricated floor slab is erected on the tool beam; the height-adjustable steel gasket is arranged on the prefabricated floor slab, and the floor slab cast-in-place layer of the upper surface area of the prefabricated floor slab around the height-adjustable steel gasket corresponds to the layer number of the height-adjustable steel gasket; and the leveling bolt penetrates through and fixes the height-adjusting steel gasket, the prefabricated floor slab and the tool beam. Compared with the prior art, the method solves the problems of high aligning and leveling difficulty between the prefabricated floor slabs, rough construction process and high cost of remedial measures, and has certain application and popularization values.

Description

Leveling device for prefabricated floor slab
Technical Field
The utility model relates to the technical field of assembly type buildings, in particular to a leveling device for a prefabricated floor slab.
Background
The prefabricated building is a building with complete use function, which is formed by assembling some or all components manufactured in a prefabrication factory in a reliable installation and connection mode on a construction site. Wherein prefabricated floor is an important prefabricated component in the prefabricated building, and in the work progress, through cast-in-place layer weight and bottom setting instrument roof beam, will be because the bottom plate of prefabricated plate bending deformation flattens and aligns, such construction method has following several problems that need solve:
(1) because the inverted arch or irregular bending of part of the prefabricated floor slab is larger or the rigidity of the floor slab is large, the prefabricated floor slab cannot be completely flattened and aligned only by the weight of the cast-in-place layer, height difference and dislocation are easy to exist, and the later repair difficulty is large;
(2) when a concrete cast-in-place layer is poured on the deformed precast floor slab, slurry leakage is easy to occur, and the lower surface or the lower floor of the precast floor slab is polluted;
(3) the leakage of pipelines and steel bars is easy to occur;
(4) the prefabricated floor slab supporting system is low in construction efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the leveling device for the precast floor slabs.
The purpose of this technical scheme is to protect a levelling device for precast floor, including independent support, instrument roof beam, heighten steel gasket, leveling bolt, wherein specifically:
the independent support comprises a support steel pipe and a U-shaped steel plate arranged at the upper end of the support steel pipe, and a fine leveling assembly is arranged on the U-shaped steel plate;
the tool beam is erected in the U-shaped steel plate, the position of the tool beam can be adjusted in the U-shaped steel plate through the fine leveling assembly, and the prefabricated floor slab is erected on the tool beam;
the height-adjustable steel gasket is arranged on the prefabricated floor slab, and the floor slab cast-in-place layer of the upper surface area of the prefabricated floor slab around the height-adjustable steel gasket corresponds to the layer number of the height-adjustable steel gasket;
and the leveling bolt penetrates through and fixes the heightening steel gasket, the prefabricated floor slab and the tool beam.
Furthermore, the upper layer of heightening steel gasket still is equipped with fixed steel sheet, leveling bolt's upper end runs through fixed steel sheet makes fixed steel sheet pressure locate through leveling bolt's fastening force high steel gasket upper surface.
Further, the lower surface of the tool beam is provided with a fastening nut, the fastening nut penetrates through the lower end of the leveling bolt, and the fastening nut is pressed against the lower surface of the tool beam through the fastening force of the leveling bolt.
Further, thin leveling subassembly includes adjusting bolt, adjusting bolt level wear to locate the both sides of U-shaped steel sheet to can support press in the both sides of instrument roof beam.
Furthermore, the adjusting bolt is abutted against one end of the tool beam and is connected with a fixed extrusion steel plate, and the fixed extrusion steel plate is abutted against two sides of the tool beam through the fastening force of the adjusting bolt.
Furthermore, two U-shaped steel plate screw holes are symmetrically formed in two sides of the U-shaped steel plate, and the size of each U-shaped steel plate screw hole is matched with the adjusting bolt.
Further, the adjusting bolt is sleeved with a bolt steel gasket, and the bolt steel gasket is arranged on the outer side of the screw hole of the U-shaped steel plate.
Furthermore, a support steel frame is arranged at the lower end of the support steel pipe;
the lower ends of the supporting steel pipes and the lower ends of the U-shaped steel plates are both connected with square steel sheets, and the square steel sheets are fixed on the ground through detachable fixing bolts.
Furthermore, a plurality of leveling devices of the precast floor slabs are matched on the precast floor slabs.
Furthermore, the tool beams are arranged in a parallel array mode, and the U-shaped steel plates are arranged in a rectangular array mode. The purpose of the utility model can be realized by the following technical scheme:
compared with the prior art, the utility model has the following technical advantages:
firstly, through this levelling device reduced the precast floor slab construction degree of difficulty, promoted the efficiency of construction that the floor supported, stopped the uneven construction problem in precast floor slab bottom.
Secondly, the leveling device reduces the problems of slurry leakage and floor bottom pollution of the bottom of the prefabricated floor;
thirdly, the leveling device reduces the leakage of pipelines and steel bars;
fourthly, most of the device of the utility model is detachable, the universality is strong, and the comprehensive cost is low. Meanwhile, the device is simple to manufacture, convenient to use, good in economic effect, safe and firm, and can be used for multiple projects at the same time.
Drawings
FIG. 1 is a front view of a leveling device for a precast floor slab
FIG. 2 is a top view of a leveling device for a precast floor slab
FIG. 3 is a sectional view of a leveling device for a precast floor slab 1-1
FIG. 4 is a partial front view A of a levelling device for precast floor slabs
FIG. 5 is a partial A side view of a leveling device for a precast floor slab
FIG. 6 is a flow chart showing the use of the leveling device for precast floor slabs according to the present embodiment
The reference numbers illustrate:
1-leveling bolts, 2-fixed steel plates, 3-heightening steel gaskets, 4-bolt steel gaskets, 5-tool beams, 6-adjusting bolts, 7-fastening nuts, 8-fixed extruded steel plates, 9-independent supports, 901-U-shaped steel plates, 902-supporting steel pipes, 903-supporting steel frames, 904-U-shaped steel plate screw holes, 10-floor slabs, 1001-prefabricated floor slabs, 1002-floor slab cast-in-place layers and 11-detachable fixing bolts.
Detailed Description
The core concept of the technical scheme is as follows: in order to prevent the prefabricated floor slab from generating inverted arch due to the shrinkage of the steel bars of the prefabricated floor slab or generating upward tension on the component due to uneven construction elevation, the bottom of the traditional independent support is additionally fixed to form a vertical supporting limiting system matched with the device for use; the tool beam is placed on an independent support fixed at the bottom, and the arrangement position of the tool beam is adjusted by adjusting bolts arranged at the U-shaped steel plate of the support and the fixed extrusion steel plate to form a horizontal limiting adjustment system; the leveling bolts penetrate through round holes between the prefabricated floor slabs, different numbers of steel gaskets are placed on the bottom plate according to different thicknesses of post-cast layers of the prefabricated floor slabs, so that the top elevation of the leveling device is adjusted, and the bolts penetrate through the tool beam and are fixed through the fastening nuts to form a complete fixing system. The utility model has the beneficial effects that: the leveling device solves the problems of high aligning and leveling difficulty between the prefabricated floor slabs, rough construction process and high cost of remedial measures, and has certain application and popularization values.
The utility model is described in detail below with reference to the figures and specific embodiments. In the technical scheme, the characteristics such as the part type, the material name, the connection structure and the like which are not explicitly described are all regarded as common technical characteristics disclosed in the prior art.
For the sake of simplicity, the drawings only schematically illustrate parts of the utility model and they do not represent the actual structure of the product.
As shown in fig. 1 to 5, the leveling device for a precast floor slab in the technical solution mainly includes a bolt 1, a fixed steel plate 2, a height-adjustable steel gasket 3, a bolt steel gasket 4, a tool beam 5, an adjusting bolt 6, a fastening nut 7, a fixed extruded steel plate 8, an independent support 9, a U-shaped steel plate 901, a support steel pipe 902, a support steel frame 903, a U-shaped steel plate screw hole 904, and a detachable fixing bolt 11, and the above structures respectively constitute a support system, an adjusting system, and a fixing system.
The supporting system consists of an independent support 9 and a detachable fixing bolt 11. The tool beam is characterized in that the tool beam is an independent support 9, the upper end of the independent support is a U-shaped steel plate 901 for placing a tool beam 5, the lower part of the independent support is an upright support steel pipe 902, three support steel frames 903 are erected to improve stability, and square steel sheets with nail holes are welded at the bottoms of the support steel frames 903 and the support steel pipe 902; the detachable fixing bolt 11 has the same size of the pointed screw as the reserved nail hole of the square steel sheet at the bottom of the support steel pipe 902, and the head of the screw is slightly larger and used for temporarily fixing the support on the ground to prevent the device from inclining and pulling upwards in the using process.
The adjusting system comprises a U-shaped steel plate 901, adjusting bolts 6, a fixed extruded steel plate 8, a tool beam 5 and a steel gasket 4. The U-shaped steel plate 901, except for placing the tool beam 5, both sides of the U-shaped steel plate 901 are provided with screw threads, which are used as nuts of the adjusting bolts 6, and are provided with U-shaped steel plate screw holes 904 with the same size as the adjusting bolts 6; the adjusting bolts 6 are hexagon bolts or other shapes, penetrate through screw holes in one end of the U-shaped steel plate 901, are connected with the fixed extrusion steel plate 8 in a reliable connection mode and are clamped in the fixed extrusion steel plate, the adjusting bolts 6 are placed in the screw holes in the two ends of the U-shaped steel plate 901, the tool beam 5 is extruded and fixed through the fixed extrusion plate 8, the adjusting bolts 6 at the two ends rotate reversely at the same time, and the position of the tool beam 5 can be finely adjusted leftwards and rightwards; the width of the tool beam 5 is smaller than that of the U-shaped steel plate 901, and the height and the length of the tool beam are determined according to the size of the prefabricated floor slab 1001 and are used for leveling and aligning the prefabricated floor slab 101; and the steel gasket 4 is placed between the adjusting bolt 6 and the U-shaped steel plate 901, so that the bearing area of the U-shaped steel plate 901 is increased, the extrusion damage of the bolt is reduced, and a buffering effect is achieved.
The fixing system is composed of a leveling bolt 1, a fixing steel plate 2, a height-adjusting steel gasket 3, a bolt steel gasket 4, a tool beam 5 and a fastening nut 7. The leveling bolts 1 are hexagon bolts or other shapes and are used for fixing the height-adjusting steel gaskets 3, the fixed steel plates 2, the tool beams 5 and the precast floor slab 1001; the fixed steel plate 2 is a square steel plate, a hole is formed in the center of the fixed steel plate, the size of the hole is the same as that of the leveling bolt 1, the hole is used for balancing force transmission, and the prefabricated floor slab 1001 is convenient to level and align; the height-adjusting steel gasket 3 is used for heightening the height of the head parts of the fixed steel plate 2 and the leveling bolt 1 according to the thickness of the post-cast layer, so that the leveling bolt 4 and the fixed steel plate 2 can be conveniently detached after the use; the bolt steel gasket 3 is used for preventing the leveling bolt 1 and the fastening nut 7 from being damaged by extrusion; the tool beam 5 is a square long beam, and is provided with a hole penetrating the height of the beam, the size of the hole is the same as that of the leveling bolt 1, and the purpose is to facilitate leveling and alignment of the prefabricated floor slab 1001; the fastening nuts 7 are matched with the leveling bolts 1 for use, are internally provided with threads, and are the same as the fastening bolts 7 and the prefabricated floor slab 1001.
As shown in fig. 6, the specific application method and construction process are as follows:
the independent support 9 is placed at a predetermined position according to the line laying position and temporarily fixed to the ground by a detachable fixing bolt 11, the tool beam 5 is placed on the tool beam support, and fine adjustment of the tool beam position is performed by using the fine leveling assembly. As shown in FIG. 5, the fine leveling is performed, when the adjusting bolts 6 on the two sides rotate clockwise, the tool beam 5 is fixed, when the adjusting bolts 6 on the two sides rotate anticlockwise, the tool beam 5 moves rightwards, when the adjusting bolts 6 on the left side rotate clockwise and the adjusting bolts 6 on the right side rotate anticlockwise, and when the adjusting bolts 6 on the left side rotate anticlockwise and the adjusting bolts 6 on the right side rotate clockwise, the tool beam 5 moves leftwards. After the leveling component (local A) is finished, namely the tool beam 5 is adjusted and fixed, the precast floor slab 1001 is placed on the tool beam 6 through the hoisting process, and the half holes reserved on the edges of the precast floor slab 1001 are aligned with the holes of the tool beam 5 for close splicing placement. Placing a plurality of height-adjusting steel gaskets 3 on two sides of the hole according to different thicknesses of post-cast layers, aligning bolt holes of the fixed steel plates 2 with preformed holes of the precast floor slab 1001 and the tool beam 5, penetrating the leveling bolts 1 through the bolt holes and the preformed holes, and matching with fastening nuts 7 to carry out rotary fixing. After the fixing system determines that the prefabricated floor slab 1001 is completely leveled and aligned, the steel bars of the post-cast concrete layer are placed and the concrete is poured, after the pouring is finished, the detachable fixing bolt 11, the independent support 9 and the tool beam 5 are taken down after the prefabricated floor slab is cured and formed, the leveling bolt 1 and the fastening nut 7 are rotated to take out the bolts, the fixing steel sheet 2, the fixing extrusion steel plate 8 and the like, and the holes are sealed by concrete high-model cement mortar. At this moment, the device is used and the construction of the prefabricated floor slab is finished.
It is thus clear that this technical scheme is effectual solved the floor slab in the work progress height difference dislocation, leak thick liquid, the outer scheduling problem that leaks of position reinforcing bar, promoted floor slab's efficiency of construction. The leveling device is arranged on the prefabricated floor slab, the dislocation of the prefabricated floor slab is realigned, the construction problem is avoided, and the construction efficiency and the structural integrity are improved.
The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. A levelling device for precast floor slabs, comprising:
the independent support (9) comprises a support steel pipe (902) and a U-shaped steel plate (901) arranged at the upper end of the support steel pipe (902), and a fine leveling assembly is arranged on the U-shaped steel plate (901);
the tool beam (5) is erected in the U-shaped steel plate (901), the position of the tool beam can be adjusted in the U-shaped steel plate (901) through a fine leveling assembly, and the precast floor slab (1001) is erected on the tool beam (5);
the height-adjustable steel gasket (3) is arranged on the precast floor slab (1001), and the number of layers of a floor slab cast-in-place layer (1002) of the upper surface area of the precast floor slab (1001) around the height-adjustable steel gasket (3) corresponds to that of the height-adjustable steel gasket (3);
and the leveling bolt (1) penetrates through and fixes the height-adjusting steel gasket (3), the prefabricated floor slab (1001) and the tool beam (5).
2. The leveling device for the precast floor slab is characterized in that a fixing steel plate (2) is further arranged on the upper layer of the height-adjusting steel gasket (3), the upper end of the leveling bolt (1) penetrates through the fixing steel plate (2), and the fixing steel plate (2) is pressed on the upper surface of the height-adjusting steel gasket (3) through the fastening force of the leveling bolt (1).
3. The leveling device for the precast floor slab is characterized in that a fastening nut (7) is arranged on the lower surface of the tool beam (5), the fastening nut (7) is arranged at the lower end of the leveling bolt (1) in a penetrating way, and the fastening nut (7) is pressed against the lower surface of the tool beam (5) through the fastening force of the leveling bolt (1).
4. The leveling device for the precast floor slab is characterized in that the fine leveling component comprises an adjusting bolt (6), the adjusting bolt (6) horizontally penetrates through two sides of the U-shaped steel plate (901) and can be pressed against two sides of the tool beam (5).
5. A levelling device for precast floor slab according to claim 4 characterized in that, the end of the adjusting bolt (6) against the tool beam (5) is connected with a fixed extruded steel plate (8), the fixed extruded steel plate (8) is against the two sides of the tool beam (5) by the fastening force of the adjusting bolt (6).
6. The leveling device for the precast floor slab is characterized in that two U-shaped steel plate screw holes (904) are symmetrically arranged on two sides of the U-shaped steel plate (901), and the sizes of the U-shaped steel plate screw holes (904) are matched with the adjusting bolts (6).
7. A levelling device for precast floor slab according to claim 4 characterized in that the adjusting bolt (6) is sleeved with a bolt steel gasket, and the bolt steel gasket is arranged outside the U-shaped steel plate screw hole (904).
8. A levelling device for precast floor slab according to claim 1 characterized in that the lower end of the supporting steel pipe (902) is provided with a supporting steel frame (903);
the lower ends of the supporting steel pipes (902) and the U-shaped steel plates (901) are connected with square steel sheets, and the square steel sheets are fixed on the ground through detachable fixing bolts (11).
9. A levelling device for precast floor slab according to claim 1 characterized in that a plurality of the precast floor slab levelling devices are matched on the precast floor slab (1001).
10. A levelling device for precast floor slab according to claim 9, characterized in that the tool beams (5) are arranged in a parallel array and the U-shaped steel plates (901) are arranged in a rectangular array.
CN202122277949.4U 2021-09-18 2021-09-18 Leveling device for prefabricated floor slab Active CN216665082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122277949.4U CN216665082U (en) 2021-09-18 2021-09-18 Leveling device for prefabricated floor slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122277949.4U CN216665082U (en) 2021-09-18 2021-09-18 Leveling device for prefabricated floor slab

Publications (1)

Publication Number Publication Date
CN216665082U true CN216665082U (en) 2022-06-03

Family

ID=81766185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122277949.4U Active CN216665082U (en) 2021-09-18 2021-09-18 Leveling device for prefabricated floor slab

Country Status (1)

Country Link
CN (1) CN216665082U (en)

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