CN215925978U

CN215925978U - Steel bar supporting device

Info

Publication number: CN215925978U
Application number: CN202121497020.6U
Authority: CN
Inventors: 尹一峰; 石行正; 郭健; 冯建永; 李雪峰; 冷洪波
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-03-01
Anticipated expiration: 2031-07-02

Abstract

The utility model provides a reinforcing steel bar supporting device, which comprises: the concrete cushion comprises a plurality of rows of upright columns, wherein the upright columns are uniformly arranged in the vertical direction, and the lower ends of the upright columns are fixed on the concrete cushion; the upper cross beams are arranged in a plurality of numbers along the horizontal direction, and each upper cross beam is connected with the upper end part of one row of the stand columns; the middle cross beams are arranged in a plurality of numbers along the horizontal direction, and each middle cross beam is connected with the middle part of one row of the stand columns; and the anti-crack meshes are arranged in the vertical direction, and one anti-crack mesh is arranged between every two adjacent upright columns. The reinforcing steel bar supporting device with the anti-cracking net piece solves the problem of reinforcing steel bar supporting, so that an upper layer reinforcing steel bar has a firm operating platform; on the other hand, the large-volume concrete is divided by fixing the anti-cracking steel wire mesh sheets on the steel bar supporting device, so that the cracking of the concrete is effectively prevented, and the construction quality of the large-volume concrete is improved.

Description

Steel bar supporting device

Technical Field

The utility model relates to the technical field of concrete foundation construction, in particular to a reinforcing steel bar supporting device.

Background

At present, the difficulty of constructing the large-volume concrete in the gobi desert with severe weather conditions is the selection of a construction support frame of reinforcing steel bars and the anti-cracking measure of the large-volume concrete. The traditional mode is that stirrup steel bars are used for supporting, but the problems that the stirrup steel bars are not firm and the welding quality is poor exist; the concrete crack resistance adopts measures of adjusting the mix proportion, optimizing the pouring sequence and controlling the temperature to strengthen the maintenance, the multiple measures are overlapped, the operation requirement is high, and the site control construction is not facilitated.

Disclosure of Invention

In view of the above, the utility model provides a reinforcing steel bar supporting device, and aims to solve the problems that how to conveniently bind reinforcing steel bars of a large-volume concrete structure in a gobi desert with a severe weather condition, effectively control concrete cracks and ensure the quality of concrete.

In one aspect, the present invention provides a reinforcing bar supporting apparatus, including:

the concrete cushion comprises a plurality of rows of stand columns, wherein the stand columns are uniformly arranged in the vertical direction, each row is provided with a plurality of stand columns, and the lower ends of the stand columns are fixed on the concrete cushion;

the upper cross beams are arranged in the horizontal direction, each upper cross beam is connected with the upper end of one row of the stand columns, and the upper cross beams are vertically intersected with the stand columns;

the middle cross beams are arranged in the horizontal direction, each middle cross beam is connected with the middle part of one row of the stand columns, the middle cross beams are vertically intersected with the stand columns, the middle cross beams and the upper cross beams are connected with the same row of the stand columns, and the middle cross beams and the upper cross beams are arranged in parallel relatively;

and the anti-crack meshes are arranged in the vertical direction, and one anti-crack mesh is arranged between every two adjacent upright columns.

Furthermore, among the upright columns in the plurality of rows, the upright columns on two sides are provided with oblique beams.

Furthermore, the sloping includes first sloping and second sloping, first sloping sets up the stand is close to one side of next row of stand, the second sloping sets up the stand is kept away from next row one side of first sloping.

Furthermore, the first oblique beam and the second oblique beam are respectively connected with two adjacent upright columns which are positioned on two sides, and the first oblique beam and the second oblique beam are arranged in a cross manner.

Further, the lower end of the upright post is provided with a connecting plate, and the connecting plate is arranged along the horizontal direction and is vertically intersected with the upright post.

Furthermore, expansion bolts are arranged at four corners of the connecting plate, and the connecting plate is connected with the concrete cushion layer through the expansion bolts.

Further, the lower end parts of the stand columns and the middle part of the connecting plate are welded together.

Furthermore, a plurality of connecting pieces are uniformly arranged on each upright column along the arrangement direction of the upright column, and the anti-crack net piece is connected with the connecting pieces.

Further, the connecting piece is the reinforcing bar, and it is connected with the lateral wall of stand through the welding.

Furthermore, the upright columns, the upper cross beams and the middle cross beams are channel steel.

Compared with the prior art, the utility model has the advantages that the lower ends of the upright columns are fixed on the concrete cushion layer by arranging a plurality of rows of upright columns, the upper cross beam and the lower cross beam are arranged on each row of upright columns, and the anti-cracking meshes are arranged between two adjacent upright columns, so that the binding of reinforcing steel bars can be conveniently carried out by the arranged upper and lower cross beams, the construction efficiency is improved, and meanwhile, the space between the upright columns is divided into square spaces one by the arranged anti-cracking meshes, thereby the concrete is poured in the square spaces, and the concrete after pouring can be prevented from cracking by the arranged anti-cracking meshes.

Further, aiming at the problems existing in the construction process of mass concrete under the severe conditions of the Gobi desert in winter, the reinforcing steel bar supporting device with the anti-cracking net piece solves the problem of reinforcing steel bar supporting on one hand, and enables the reinforcing steel bars on the upper layer to have a firm operating platform; on the other hand, the large-volume concrete is divided by fixing the anti-cracking steel wire mesh sheets on the steel bar supporting device, so that the cracking of the concrete is effectively prevented, and the construction quality of the large-volume concrete is improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a side view of a reinforcing bar supporting apparatus according to an embodiment of the present invention;

fig. 2 is a front view of a reinforcing bar supporting device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a connecting plate of the reinforcing bar supporting device according to the embodiment of the present invention;

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-2, the present embodiment provides a steel bar supporting device, including columns 1, upper beams 2, middle beams 3, and anti-crack net sheets 8, where the columns 1 are uniformly arranged in a plurality of rows in the vertical direction, each row is provided with a plurality of columns 1, and the lower ends of the columns 1 are fixed on a concrete cushion, that is, when the columns 1 are arranged, the columns 1 are arranged in a square array manner; a plurality of upper cross beams 2 are arranged along the horizontal direction, each upper cross beam 2 is connected with the upper end of one row of the upright posts 1, and the upper cross beams 2 are vertically intersected with the upright posts 1; a plurality of middle cross beams 3 are arranged along the horizontal direction, each middle cross beam 3 is connected with the middle part of one row of the upright posts 1, the middle cross beams 3 are vertically intersected with the upright posts 1, the middle cross beams 3 and the upper cross beams 2 are connected with the same row of the upright posts 1, and the middle cross beams 3 and the upper cross beams 2 are arranged in parallel relatively; the anti-crack net sheets 8 are arranged in the vertical direction, and one anti-crack net sheet 8 is arranged between every two adjacent upright columns 1.

Specifically, the upright column 1, the upper cross beam 2 and the middle cross beam 3 are channel steel, and the upright column 1, the upper cross beam 2 and the middle cross beam 3 are respectively connected into a whole through welding,

specifically, among the plurality of rows of the columns 1, oblique beams are arranged on the columns 1 on both sides. Namely, in a plurality of rows, inclined beams are arranged on two rows of upright posts 1 positioned at two sides of the rows.

Specifically, the sloping includes first sloping 7 and second sloping 6, first sloping 7 sets up the stand 1 is close to the one side of next row stand 1, second sloping 6 sets up stand 1 keeps away from the one side of next row first sloping 7. The first oblique beam 7 and the second oblique beam 6 are respectively connected with two adjacent upright posts 1 which are positioned on two sides, and the first oblique beam 7 and the second oblique beam 6 are arranged in a cross manner.

Particularly, when setting up first sloping 7 and second sloping 6, set up the left and right sides of the stand 1 among the row of stand 1 with the sloping respectively to be convenient for first sloping 7 and second sloping 6 and the connection between the stand 1, and set up first sloping 7 and second sloping 6 through the crisscross mode, can greatly improve the structural stability after connecting between the stand 1.

Specifically, the first and second

oblique members

7 and 6 are preferably channel steel, and are connected to the column 1 by welding.

Referring to fig. 3, specifically, a connecting plate 4 is disposed at a lower end of the upright 1, and the connecting plate 4 is disposed in a horizontal direction and perpendicularly intersects with the upright 1. The connecting plate 4 is preferably a square metal plate, and the lower end part of the upright post 1 is welded with the middle part of the connecting plate 4.

Particularly, the four corners position of connecting plate 4 is provided with expansion bolts 5, connecting plate 4 passes through expansion bolts 5 with the concrete cushion is connected, fixes connecting plate 4 and stand 1 on the concrete cushion through the expansion bolts 5 that set up, can greatly improve the stability that stand 1 is connected with the concrete cushion. .

Specifically, a plurality of connecting pieces 9 are uniformly arranged on each upright post 1 along the arrangement direction of the upright post, and the anti-crack net piece 8 is connected with the connecting pieces 9. Specifically, the connecting member 9 is a steel bar, and is connected to the side wall of the pillar 1 by welding.

It can be seen that, above-mentioned embodiment is through setting up the stand of a plurality of rows, and fix the lower extreme of stand on the concrete cushion, set up upper portion crossbeam and lower part crossbeam on each row of stand simultaneously, and set up anti-crack net piece between adjacent coexistence post, not only can conveniently carry out the ligature of reinforcing bar through the upper and lower crossbeam that sets up, improve the efficiency of construction, simultaneously, anti-crack net piece through setting up is divided into individual square space with the space between the stand, thereby carry out the concrete in square space and can prevent the concrete fracture after pouring through setting up anti-crack net piece.

Meanwhile, the embodiment aims at the problems existing in the construction process of mass concrete under the severe conditions of the gobi desert in winter, and on one hand, the reinforcing steel bar supporting device with the anti-cracking net piece solves the problem of reinforcing steel bar supporting, so that reinforcing steel bars on the upper layer have a firm operating platform; on the other hand, the large-volume concrete is divided by fixing the anti-cracking steel wire mesh sheets on the steel bar supporting device, so that the cracking of the concrete is effectively prevented, and the construction quality of the large-volume concrete is improved.

In the specific implementation of the embodiment, the upright column is made of No. 12.6 channel steel; the upper cross beam is made of No. 10 channel steel and used as a top cross beam for placing top steel bars; the middle cross beam is made of No. 5 channel steel and is used as a cross beam in the middle, and middle reinforcements are placed; the anti-crack net sheet is a steel wire mesh sheet with the diameter of 2.0mm and the meshes of 25 x 25mm and is fixed on the upright post; the connecting plates are made of 300-15 steel plates and are fixed on the concrete cushion layer as bottom plates, and four M12 expansion bolts are arranged on the connecting plates and are used for fixing the connecting plates; the first oblique beam and the second oblique beam are made of No. 10 channel steel and are welded on the upright post; the connecting piece selects phi 6 steel bars, is welded on the upright post and is used as a fixed point of the steel wire mesh sheet, and the distance between the steel wire mesh sheet and the upright post is 500 mm. The channel steel and the channel steel are welded, and the cross part is fully welded; and the channel steel and the bottom plate are welded in a surrounding way. The welding fillet weld is not less than 5mm, and the grade of the weld is 1 grade.

Specifically, a channel steel is used as a support structure of the steel bars, the stand columns are fixed on a poured concrete cushion layer through M12 expansion screws, the stand columns are arranged according to the arrangement, the row spacing is 1M, the stand column spacing is 1M, and the steel wire mesh sheets and binding wires are fixed on a steel bar support to form 1M-1M grids.

The method comprises the following steps that Q235-grade steel is adopted as channel steel, a 12.6-grade channel steel is adopted as an upright post, a 10-grade channel steel is adopted as an upper cross beam, a 5-grade channel steel is adopted as a middle cross beam, the cross beam is welded with the upright post, the upright post is arranged on a steel plate, cross inclined struts are arranged at two ends of a support, and the 10-grade channel steel is adopted; the steel wire mesh sheet is made of steel wire mesh sheets with the diameter of 2.0mm and the meshes of 25 x 25mm, and is bound and fixed on the channel steel bracket through binding wires.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A rebar support device, comprising:

2. The reinforcing bar supporting apparatus of claim 1, wherein an inclined beam is provided on the columns at both sides among the columns in the plurality of rows.

3. The reinforcing bar support device of claim 2, wherein the oblique beams comprise a first oblique beam and a second oblique beam, the first oblique beam is arranged on one side of the upright column close to the next row of upright columns, and the second oblique beam is arranged on one side of the upright column far away from the next row of the first oblique beam.

4. The reinforcing bar support device according to claim 3, wherein the first and second inclined beams are connected to two adjacent columns at both sides, respectively, and the first and second inclined beams are arranged crosswise.

5. The reinforcing bar supporting apparatus as claimed in claim 1, wherein the lower end of the column is provided with a connecting plate which is horizontally disposed and vertically intersects the column.

6. The reinforcing bar support device according to claim 5, wherein expansion bolts are provided at four corners of the connection plate, and the connection plate is connected to the concrete pad through the expansion bolts.

7. The reinforcing bar support apparatus of claim 5, wherein the lower end portions of the columns are welded to the middle portion of the connection plate.

8. The reinforcing bar supporting device according to claim 1, wherein a plurality of connecting members are uniformly provided on each of the columns along the direction in which the column is provided, and the anti-crack mesh is connected to the connecting members.

9. The reinforcing bar support device according to claim 8, wherein the coupling member is a reinforcing bar coupled to the sidewalls of the columns by welding.

10. The rebar support device of claim 1, wherein the uprights, upper cross-beams, and middle cross-beams are channel steel.