Steel structure column foot

Abstract

The utility model discloses a steel structure column base which comprises a stand column, a bottom plate, a concrete block, a foundation bolt arranged in the concrete block and a stiffening plate arranged in the circumferential direction of the stand column, one end of the foundation bolt extends out of the bottom plate and is fixedly connected with the bottom plate, and the other end of the foundation bolt is provided with a first extending part bent towards the bottom plate. The foundation bolts are evenly distributed in the circumferential direction of the stand column, first annular stirrups and second annular stirrups which abut against the foundation bolts and the first extending parts are arranged on the foundation bolts and the first extending parts correspondingly, and the first annular stirrups and the second annular stirrups are fixedly connected with the foundation bolts and the first extending parts correspondingly. The first extending part is arranged at the tail end of the foundation bolt, and the foundation bolt is collected and limited through the annular stirrup, so that the foundation bolt can have more contact surfaces and shearing resistance in a concrete block, and the foundation bolt can be quickly mounted and positioned through the tray and the disc; and meanwhile, the stability of the column foot bolt in a concrete block can be improved.

Description

Technical Field

[0001] The utility model relates to a steel structure column foot. Background Art

[0002] The function of the column foot is to fix the column and transfer the internal force of the column to the column foot. The column foot needs to reliably support the column, and a firm connection is required between the column foot and the column. The existing connection method of the steel structure column foot usually configures a number of anchor bolts in the concrete block, and extends the threaded shaft section of the anchor bolt out of the concrete block and fixedly connects it to the bottom plate of the column to form a support. When this column connection method faces a large bearing capacity, its shear resistance and stability need to be improved. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a steel structure column foot, which improves the overall shear resistance and stability by tightly connecting the anchor bolts in the concrete block.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel structure column base, comprising a column, a base plate, a concrete block, an anchor bolt arranged in the concrete block, and a stiffening plate arranged along the circumference of the column, one end of the anchor bolt extends out of the base plate and is fixedly connected to the base plate, and the other end thereof is provided with a first extension portion bent toward the base plate, the anchor bolts are evenly distributed along the circumference of the column, and the anchor bolts and the first extension portion are respectively provided with a first annular hoop and a second annular hoop abutting against them, and the first annular hoop and the second annular hoop are respectively fixedly connected to the anchor bolt and the first extension portion.

[0005] As a further improvement of the utility model, a clamping piece is provided between the first annular stirrup and the second annular stirrup, and a second extension portion and a third extension portion bent toward the bottom plate are respectively provided on both sides of the clamping piece, and the second extension portion and the third extension portion are respectively fixedly connected to the first annular stirrup and the second annular stirrup, and the clamping pieces are evenly distributed along the circumference of the column and are arranged at intervals from the anchor bolts.

[0006] As a further improvement of the utility model, a tray and a disc are installed on the anchor bolt, the tray is threadedly connected to the anchor bolt, the disc is provided with a plurality of through holes for the anchor bolt to extend out, and the disc abuts against the tray.

[0007] As a further improvement of the present invention, a plurality of the first annular stirrups and a plurality of the second annular stirrups are respectively arranged toward the bottom plate.

[0008] As a further improvement of the utility model, concrete is filled between the bottom plate and the concrete block.

[0009] The beneficial effects of the utility model are as follows: a first extension portion is arranged at the end of the anchor bolt, and the anchor bolt is gathered and restricted by means of annular stirrups, so that it can have more contact surface and shear resistance in the concrete block; the tray and the disc can quickly install and position the anchor bolt, and at the same time can improve the stability of the column foot bolt in the concrete block. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0011] Figure 2 This is a schematic diagram of the internal structure of a concrete block according to an embodiment of the utility model.

[0012] Figure numbers: 1. column; 2. base plate; 3. concrete block; 4. anchor bolt; 5. stiffening plate; 6. first extension; 7. first annular stirrup; 8. second annular stirrup; 9. clamping piece; 10. second extension; 11. third extension; 12. tray; 13. disc. DETAILED DESCRIPTION

[0013] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0014] Reference Figure 1-2 As shown, a steel structure column foot comprises a column 1, a base plate 2, a concrete block 3, an anchor bolt arranged in the concrete block 3, and a stiffening plate 5 arranged circumferentially along the column 1, one end of the anchor bolt extends out of the base plate 2 and is fixedly connected to the base plate 2, and nuts for fixing are respectively provided at two ends of the base plate 2 corresponding to the anchor bolt, and a first extension portion 6 bent toward the base plate 2 is provided at the other end, the anchor bolts are uniformly distributed along the circumference of the column 1, and the anchor bolts and the first extension portion 6 are respectively provided with a first annular hoop 7 and a second annular hoop 8 abutting against them, the first annular hoop 7 is sleeved on the outside of the anchor bolt, and the second annular hoop 8 is sleeved on the outside of the anchor bolt. It is connected to the outside of the first extension portion 6, and these two places are gathered by two annular stirrups. The first annular stirrup 7 and the second annular stirrup 8 are fixedly connected to the anchor bolts and the first extension portion 6 respectively. In this embodiment, the first annular stirrup 7 and the second annular stirrup 8 are fixed to the anchor bolts and the first extension portion 6 respectively by welding. The anchor bolts are fixed and limited by the first annular stirrup 7 and the second annular stirrup 8, so that the contact area of ​​the anchor bolt as a whole in the concrete block 3 is increased, and the annular stirrups are gathered inward to make the connection between the circumferentially distributed anchor bolts tighter, so as to improve their overall shear resistance.

[0015] A clamping piece 9 is provided between the first annular stirrup 7 and the second annular stirrup 8, and a second extension portion 10 and a third extension portion 11 bent toward the bottom plate 2 are provided on both sides of the clamping piece 9, respectively. The second extension portion 10 and the third extension portion 11 are fixedly connected to the first annular stirrup 7 and the second annular stirrup 8, respectively. The clamping piece 9 is evenly distributed along the circumference of the column 1 and is arranged at intervals with the anchor bolts. In this embodiment, the second extension portion 10 and the third extension portion 11 are fixed to the first annular stirrup 7 and the second annular stirrup 8 respectively in contact with them by welding. This arrangement makes the overall connection tighter, and the ground A tray 12 and a disc 13 are installed on the anchor bolt. The tray 12 is threadedly connected to the anchor bolt. The disc 13 is provided with a plurality of through holes for the anchor bolt to extend out, and the disc 13 abuts against the tray 12. The arrangement of the tray 12 and the disc 13 further improves the stability of the anchor bolt in the concrete block 3. A plurality of the first annular stirrups 7 and the second annular stirrups 8 are respectively arranged in the direction of the base plate 2. Concrete is filled between the base plate 2 and the concrete block 3. The concrete fills the gap between the base plate 2 and the concrete block 3 by setting a support template on the outside to support the base plate 2 and improve stability.

[0016] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A steel structure column foot, comprising a column, a bottom plate, a concrete block, anchor bolts arranged in the concrete block, and a stiffening plate arranged along the circumference of the column, characterized in that: One end of the anchor bolt extends out of the base plate and is fixedly connected to the base plate, and the other end of the anchor bolt is provided with a first extension portion bent toward the base plate. The anchor bolts are evenly distributed along the circumference of the column, and the anchor bolts and the first extension portion are respectively provided with a first annular hoop reinforcement and a second annular hoop reinforcement abutting against them, and the first annular hoop reinforcement and the second annular hoop reinforcement are respectively fixedly connected to the anchor bolt and the first extension portion.

2. The steel structure column foot according to claim 1, characterized in that: A clamping piece is provided between the first annular stirrup and the second annular stirrup, and a second extension portion and a third extension portion bent toward the bottom plate are respectively provided on both sides of the clamping piece, and the second extension portion and the third extension portion are respectively fixedly connected to the first annular stirrup and the second annular stirrup, and the clamping pieces are evenly distributed along the circumference of the column and are arranged at intervals from the anchor bolts.

3. The steel structure column foot according to claim 1, characterized in that: A tray and a disc are installed on the anchor bolt. The tray is threadedly connected to the anchor bolt. The disc is provided with a plurality of through holes for the anchor bolt to extend out, and the disc abuts against the tray.

4. The steel structure column foot according to claim 1, characterized in that: A plurality of the first annular stirrups and a plurality of the second annular stirrups are respectively arranged toward the bottom plate.

5. The steel structure column foot according to claim 1, characterized in that: The space between the bottom plate and the concrete blocks is filled with concrete.

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