Assembly type steel frame column foot contact structure

By using adjusting bolts and limit nuts to adjust the position of the limit blocks in the prefabricated steel frame column base joint structure, and combining multiple reinforcing rods and filler adhesive, the problem of insufficient column base positioning accuracy was solved, and the precise installation and stability of the prefabricated structure were achieved.

CN223951938UActive Publication Date: 2026-02-27CHONGQING BAOGENG IND CO LTD
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Patent Information

Application Number
CN202520041446.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-02-27
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

During the installation of prefabricated steel frames, it is difficult to guarantee the positioning accuracy of column bases, resulting in the verticality, horizontality, and relative position of column bases and foundations not meeting the design and construction specifications.

Method used

An assembled steel frame column base joint structure was designed. The position of the limit block can be adjusted by using a combination of adjusting bolts and limit nuts. Multiple reinforcing rods are combined in a hook-shaped design to increase stability, and filler glue is used to reduce gaps.

Benefits of technology

It enabled precise adjustment and stabilization of the column base position, ensuring the installation accuracy of the prefabricated structure and conforming to design and construction specifications.

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Abstract

The utility model discloses an assembly type steel frame column foot contact structure which comprises a bottom plate, a steel frame is integrally welded to the top of the bottom plate, a reinforcing rod penetrates through the interior of the bottom plate, a concrete pier is arranged at the bottom of the bottom plate, and the reinforcing rod penetrates through the interior of the concrete pier in an injection molding mode. And the reinforcing rod penetrates through the surface of the top of the bottom plate and is in threaded connection with a limiting screw plate. When the bottom supporting position needs to be adjusted, the position of the limiting block is driven to move only by sliding the adjusting bolt on the inner surface of the adjusting groove, after the limiting block moves to a proper position, the adjusting nut is fastened to the surface of the adjusting bolt in a threaded mode, so that the adjusting nut is tightly attached to the bottom plate, and after adjustment is completed, the limiting block is fixed. The through holes formed in the bottom plate penetrate through the outer surfaces of the corresponding reinforcing rods, the limiting blocks are inserted into the limiting grooves, finally, the limiting screw plates and the fastening nuts are fastened to the top of the bottom plate in a threaded mode, and by means of the structure, the purpose of conveniently adjusting the limiting and supporting position can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fabricated steel structure, especially, relate to a fabricated steel frame column foot joint structure. BACKGROUND

[0002] In the installation process of the fabricated steel frame, the positioning accuracy of the column foot is crucial to the accuracy of the entire structure. The limiting block can limit the displacement of the column foot to a certain extent. By adjusting the position and size of the limiting block, the column foot can be accurately positioned at the preset position during installation, ensuring that the perpendicularity, levelness of the steel column, and the relative position of the column foot and the foundation meet the design and construction specification requirements.

[0003] In order to facilitate the adjustment of the limiting support position and provide accurate reference for subsequent installation and construction of the fabricated structure, we propose an adjustable fabricated steel frame column foot joint structure to solve the deficiencies of the prior art. SUMMARY

[0004] The utility model aims at providing a fabricated steel frame column foot joint structure with the purpose of facilitating the adjustment of the limiting support position to solve the above background technical problems.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: a fabricated steel frame column foot joint structure, comprising a bottom plate, the top of the bottom plate is integrally welded with a steel frame, a reinforcing rod penetrates through the inside of the bottom plate, a concrete pier is arranged at the bottom of the bottom plate, the reinforcing rod penetrates through the inside of the concrete pier, a limiting screw plate is threadedly connected to the surface of the reinforcing rod penetrating through the top of the bottom plate, the bottom of the limiting screw plate is tightly attached to the top of the bottom plate, a fastening nut is threadedly connected to the surface of the reinforcing rod and located at the top of the limiting screw plate, an adjusting groove is arranged in the inner cavity of the bottom plate, an adjusting bolt is slidably connected to the inner surface of the adjusting groove, adjusting nuts are threadedly connected to the surface of the adjusting bolt and located at the upper and lower end surfaces of the bottom plate, a limiting block is fixedly connected to the bottom of the adjusting bolt, and a limiting groove corresponding to the limiting block is arranged in the top of the concrete pier.

[0006] Preferably, a limiting nut is threadedly connected to the surface of the reinforcing rod and located at the bottom end surface of the bottom plate, and the top end surface of the limiting nut is tightly attached to the bottom plate.

[0007] Preferably, the gap between the concrete pier and the bottom plate is filled with filling glue, and the filling glue can be coated with concrete after filling.

[0008] Preferably, the limiting block is inserted into the inner surface of the limiting groove, and the limiting block is located at the front and rear positions of the bottom of the bottom plate.

[0009] Preferably, the number of the reinforcing rods is multiple, and the reinforcing rods are arranged in a hook type on the surface of the concrete pier.

[0010] The utility model discloses the beneficial effects are:

[0011] 1, the utility model discloses when needing to adjust the bottom support position, only need to slide through the adjusting screw on the inner surface of adjusting groove to drive the position of limit block to remove, when moving to the appropriate position, through the adjusting nut is fastened on the surface of adjusting screw to make the close fit between adjusting nut and bottom plate, after adjusting, the through -hole of bottom plate is penetrated on the outer surface of corresponding reinforcing rod, limit block is inserted in the inside of limit slot, finally through the limit screw plate and fastening nut are fastened on the top of bottom plate, through setting above structure, it can conveniently adjust the purpose of limit support position.

[0012] 2, the utility model discloses through setting up the limit nut is connected on the outer surface of reinforcing rod, can adjust the horizontal position of support bottom plate through the thread rotation of limit nut.

[0013] 3, the utility model discloses through setting up the filling glue, can reduce the gap between bottom plate and concrete pier to increase the stable effect of bottom plate bottom.

[0014] 4, the utility model discloses through setting up the number of reinforcing rod is multiple, and the reinforcing rod is arranged in a hook type on the surface of the concrete pier, increases the stability of bottom plate bottom, increases the grip between bottom plate and concrete pier to reinforce the overall column foot. BRIEF DESCRIPTION OF DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the schematic view of the utility model structure;

[0017] Figure 2 It is the local enlarged view of point A of the utility model;

[0018] Figure 3 It is the schematic view of the reinforcing rod structure of the utility model;

[0019] Figure 4 It is the overhead schematic view of the bottom plate structure of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, bottom plate, 2, steel frame, 3, reinforcing rod, 4, limit screw plate, 5, fastening nut, 6, concrete pier, 7, limit slot, 8, limit block, 9, adjusting screw, 10, adjusting groove, 11, adjusting nut, 12, limit nut, 13, filling glue. DETAILED DESCRIPTION

[0022] In the following, the embodiment of the assembled steel frame column foot joint structure of the utility model will be described with reference to the drawings. Embodiment 1

[0023] Figures 1-4 The assembled steel frame column foot joint structure of one embodiment of the utility model is shown, which comprises a bottom plate 1, a steel frame 2 is integrally welded on the top of the bottom plate 1, a reinforcing rod 3 penetrates through the inside of the bottom plate 1, a limiting nut 12 is threadedly connected on the surface of the reinforcing rod 3 and located at the bottom end surface of the bottom plate 1, the top end surface of the limiting nut 12 is tightly attached to the bottom plate 1, the limiting nut 12 is threadedly connected on the outer surface of the reinforcing rod 3, the horizontal position of the supporting bottom plate 1 can be adjusted through the threaded rotation of the limiting nut 12, a concrete pier 6 is arranged at the bottom of the bottom plate 1, the reinforcing rod 3 penetrates through and is injection molded in the inside of the concrete pier 6, a limiting screw plate 4 is threadedly connected on the surface of the reinforcing rod 3 and penetrates through the top of the bottom plate 1, the bottom of the limiting screw plate 4 is tightly attached to the top of the bottom plate 1, a fastening nut 5 is threadedly connected on the surface of the reinforcing rod 3 and located at the top of the limiting screw plate 4, an adjusting groove 10 is formed in the inner cavity of the bottom plate 1, an adjusting bolt 9 is slidingly connected to the inner surface of the adjusting groove 10, adjusting nuts 11 are threadedly connected on the surface of the adjusting bolt 9 and located at the upper and lower end surfaces of the bottom plate 1, a limiting block 8 is fixedly connected to the bottom of the adjusting bolt 9, a limiting groove 7 corresponding to the limiting block 8 is formed in the top of the concrete pier 6, the limiting block 8 is inserted into the inner surface of the limiting groove 7, the limiting block 8 is located at the front and rear positions of the bottom of the bottom plate 1, when the bottom supporting position needs to be adjusted, the adjusting bolt 9 is only needed to slide on the inner surface of the adjusting groove 10, so as to drive the position of the limiting block 8 to move, after being moved to a proper position, the adjusting nuts 11 are threadedly fastened on the surface of the adjusting bolt 9, so that the adjusting nuts 11 are tightly attached to the bottom plate 1, after the adjustment is completed, the through hole formed in the bottom plate 1 penetrates through the outer surface of the corresponding reinforcing rod 3, the limiting block 8 is inserted into the inside of the limiting groove 7, finally, the limiting screw plate 4 and the fastening nut 5 are threadedly fastened on the top of the bottom plate 1, through the above structure, the purpose of conveniently adjusting the limiting supporting position can be achieved. Embodiment 2

[0024] Figures 1-4The utility model discloses an assembled steel frame column foot joint structure, including bottom plate 1, the top integral welding of bottom plate 1 has steel frame 2, the inside of bottom plate 1 is penetrated and has reinforcing bar 3, the bottom of bottom plate 1 is provided with concrete pier 6, and the gap between concrete pier 6 and bottom plate 1 is filled with filling glue 13, after filling, filling glue 13 can be coated through concrete, through setting up filling glue 13, can reduce the gap between bottom plate 1 and concrete pier 6, to increase the stable effect of bottom plate 1 bottom, reinforcing bar 3 is penetrated and is injection molded in the inside of concrete pier 6, the surface of reinforcing bar 3 and be located the top screw thread connection of limiting screw plate 4 of limiting screw plate 4, the bottom of limiting screw plate 4 and the top fastening of bottom plate 1 are close, the surface of reinforcing bar 3 and be located the top screw thread connection of limiting screw plate 4, the inner chamber of bottom plate 1 is set up and has adjusting groove 10, the inner surface of adjusting groove 10 is slidably connected with adjusting bolt 9, and the surface of adjusting bolt 9 and be located the upper and lower end surface of bottom plate 1 are all screw thread connection with adjusting nut 11, and the bottom of adjusting bolt 9 is fixedly connected with limiting block 8, and the top of concrete pier 6 is set up and has the limiting slot 7 corresponding with limiting block 8, the number of reinforcing bar 3 is multiple, and the surface of reinforcing bar 3 at concrete pier 6 is designed as hook type, through setting up the number of reinforcing bar 3, the surface of reinforcing bar 3 at concrete pier 6 is designed as hook type, increase the stable of bottom plate 1 bottom, increase the grip between bottom plate 1 and concrete pier 6, to reinforce the whole column foot.

[0025] Working principle: when using, the utility model uses, will reinforce the bar 3 pre-pouring in the inside of concrete pier 6, will limiting nut 12 pre-screw rotation on the outer surface of reinforcing bar 3, when needing to adjust the bottom support position, just through adjusting bolt 9 in the inner surface of adjusting groove 10 sliding, to drive the position of limiting block 8 to move, when moving to the appropriate position, through adjusting nut 11 screw fastening on the surface of adjusting bolt 9, to make adjusting nut 11 and bottom plate 1 between closely fit, after adjusting, the through hole of bottom plate 1 is penetrated on the outer surface of corresponding reinforcing bar 3, limiting block 8 is inserted in the inside of limiting slot 7 at this time, finally through limiting screw plate 4 and fastening nut 5 screw fastening on the top of bottom plate 1, can conveniently adjust the purpose of limiting support position, finally through filling glue 13 filling in the gap between bottom plate 1 and concrete pier 6.

Claims

1. A prefabricated steel frame column base joint structure, comprising a base plate (1), a steel frame (2) integrally welded to the top of the base plate (1), a reinforcing rod (3) penetrating the interior of the base plate (1), and a concrete pier (6) provided at the bottom of the base plate (1), wherein the reinforcing rod (3) is injection molded into the interior of the concrete pier (6), characterized in that, The reinforcing rod (3) is screwed through the surface of the top of the bottom plate (1) and is connected with a limiting screw plate (4), the bottom of the limiting screw plate (4) is tightly attached to the top of the bottom plate (1), the surface of the reinforcing rod (3) and the top of the limiting screw plate (4) are screwed with a fastening nut (5), the inner cavity of the bottom plate (1) is provided with an adjusting groove (10), the inner surface of the adjusting groove (10) is slidably connected with an adjusting bolt (9), the surface of the adjusting bolt (9) and the upper and lower end faces of the bottom plate (1) are screwed with adjusting nuts (11), the bottom of the adjusting bolt (9) is fixedly connected with a limiting block (8), the top of the concrete pier (6) is provided with a limiting groove (7) corresponding to the limiting block (8).

2. The fabricated steel frame column base connection structure according to claim 1, wherein, The surface of the reinforcing rod (3) and the bottom end face of the bottom plate (1) are screwed with a limiting nut (12), and the top end face of the limiting nut (12) is tightly attached to the bottom plate (1).

3. The fabricated steel frame column base connection structure of claim 1, wherein, The gap between the concrete pier (6) and the bottom plate (1) is filled with a filling glue (13), and the filling glue (13) can be coated by concrete after filling.

4. The fabricated steel frame column base connection structure of claim 1, wherein, The limiting block (8) is inserted into the inner surface of the limiting groove (7), and the limiting block (8) is located at the front and rear positions of the bottom of the bottom plate (1).

5. The fabricated steel frame column base connection structure of claim 1, wherein, The number of the reinforcing rod (3) is multiple, and the surface of the reinforcing rod (3) is designed in a hook shape on the concrete pier (6).