Roof steel column base structure

The roof steel column foot structure enhances connection strength and seismic resistance by using a base plate with anchor bolts, reinforcing columns, and a clamping plate with a sealing sleeve, addressing issues of instability and corrosion in existing designs.

CN222227558UInactive Publication Date: 2024-12-24SHANDONG XIZHEN CONSTR ENG CO LTD
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Patent Information

Application Number
CN202421528547.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2024-12-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing steel column bases suffer from insufficient connection strength, poor seismic performance, and vulnerability to corrosion due to lack of protection for connection parts.

Method used

A roof steel column foot structure featuring a ground component with anchor bolts, a column foot component with a base plate, shear key, reinforcing column, and clamping plate, along with a sealing sleeve to protect bolts and nuts, enhancing stability and resistance to horizontal shear forces.

Benefits of technology

The structure effectively resists horizontal shear forces, prevents slipping during earthquakes, and protects connection parts from corrosion, thereby improving connection reliability and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222227558U_ABST
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Abstract

The utility model provides a roof steel column base structure, which relates to the technical field of building support and comprises a ground component and a column base component. The column foot assembly comprises a bottom plate, convex points are fixedly installed at the bottom of the bottom plate, shear keys are fixedly installed at the bottom of the bottom plate, and first insertion bolts and second insertion bolts are inserted into the shear keys in a penetrating mode. According to the utility model, the shear keys are inserted into the shear grooves, and the first insertion bolts and the second insertion bolts are inserted into the ground foundation and the shear keys, so that horizontal shear force is effectively resisted, the column base body is prevented from sliding under the action of an earthquake, and then the reinforcing columns and the stiffening ribs are fixedly arranged on the outer surface wall of the column base body and are fixed by using the bolts; the anchor bolt sequentially penetrates through the base plate and the fastening nut, the fastening nut is in threaded connection with the anchor bolt, the connection stability is improved, the friction force of the contact face of the bottom plate and a foundation is increased through the protruding points installed at the bottom of the bottom plate, stress is conveniently dispersed, and the connection reliability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of building support, in particular to a roof steel column foot structure. Background Art

[0002] The steel column foot is the key part connecting the steel column and the foundation in the steel structure. Its main function is to effectively transfer various loads from the steel column to the foundation and ensure the overall stability of the structure.

[0003] In the prior art, some steel column bases have the problem of insufficient connection strength during use. The connection between the column base and the foundation or other components may not be strong enough and may easily become loose or break, resulting in insufficient seismic performance. When bolts are used for connection, there is a lack of protection for the connection parts, which makes the connection parts exposed to the air for a long time, easily causing rust and affecting the stability of the connection. Utility Model Content

[0004] The utility model aims to solve the problems of insufficient connection strength, insufficient earthquake resistance, lack of protection for connection parts and easy corrosion in the prior art, and proposes a roof steel column foot structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes: a ground component and a column foot component; the column foot component includes a base plate, the bottom of the base plate is fixed with a mounting protrusion, the bottom of the base plate is fixed with a shear key, the inside of the shear key is penetrated by a first plug and a second plug, the first plug and the second plug are vertically arranged in different planes, one end of the first plug and the second plug are fixedly installed with a limit block, the top of the base plate is fixedly installed with a column foot body, the outer wall of the column foot body is fixedly installed with a reinforcing column, and the bottom of the reinforcing column is fixedly connected to the top of the base plate.

[0006] Preferably, stiffening ribs are fixedly installed at the corners of the column body, a pad is arranged on the top of the base plate, and a fastening nut is arranged on the top of the pad.

[0007] Preferably, bolts are inserted through the interior of the reinforcing column and the bottom plate, and the bolts are threadedly connected to the reinforcing column and the bottom plate.

[0008] Preferably, a clamping plate is sleeved on the outer wall of the column foot body, a sealing sleeve is fixedly installed inside the clamping plate, and the clamping plate is clamped with the bottom plate.

[0009] Preferably, the ground component comprises a ground foundation, a group of anchor bolts are fixedly installed inside the ground foundation, and half of the group of anchor bolts are exposed from the top of the ground foundation.

[0010] Preferably, a shear groove is provided at the top of the foundation, and slots are provided through opposite sides of the foundation.

[0011] Preferably, the shear key is inserted into the shear groove, the first bolt and the second bolt are respectively inserted into the slot, the anchor bolt passes through the base plate, the pad and the fastening nut in sequence, and the fastening nut is threadedly connected to the anchor bolt.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, by inserting the shear key into the shear groove, inserting the first bolt and the second bolt into the foundation and the shear key, the horizontal shear force is effectively resisted to prevent the column foot body from slipping under the action of an earthquake, and then the reinforcing column and the stiffening rib are fixedly installed on the outer wall of the column foot body, and the bolts are used to fix them, and the anchor bolts are passed through the pad and the fastening nut in turn, and the fastening nut is connected to the anchor bolt by thread to increase the stability of the connection, and then the convex point installed at the bottom of the bottom plate is used to increase the friction between the contact surface of the bottom plate and the foundation, so as to disperse the stress and improve the reliability of the connection.

[0014] 2. In the utility model, a clamping plate is sleeved on the outer wall of the column body, and a sealing sleeve is fixedly installed inside the clamping plate. After the connection is completed, the clamping plate is clamped with the bottom plate to protect the bolts and fastening nuts at the connection parts to avoid long-term contact with water, generation of rust stains on the surface, and causing the problem of loose connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a roof steel column foot structure is proposed for the utility model;

[0016] Figure 2 A schematic diagram of the three-dimensional structure disassembly of a roof steel column base structure is proposed for the utility model;

[0017] Figure 3 A three-dimensional structural disassembly diagram of a ground component in a roof steel column base structure is proposed for the utility model;

[0018] Figure 4 The utility model provides a three-dimensional structural disassembled diagram of a column base assembly in a roof steel column base structure.

[0019] Legend: 1. Ground assembly; 101. Ground foundation; 102. Anchor bolt; 103. Shear groove; 104. Slot; 2. Column foot assembly; 201. Base plate; 202. Bump; 203. Shear key; 204. First bolt; 205. Second bolt; 206. Limit block; 207. Column foot body; 208. Reinforced column; 209. Stiffening rib; 210. Pad; 211. Fastening nut; 212. Bolt; 213. Clamp; 214. Sealing sleeve. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a roof steel column foot structure, including: a ground component 1 and a column foot component 2; the column foot component 2 includes a base plate 201, a protrusion 202 is fixedly installed at the bottom of the base plate 201, a shear key 203 is fixedly installed at the bottom of the base plate 201, a first plug 204 and a second plug 205 are inserted through the inside of the shear key 203, the first plug 204 and the second plug 205 are vertically arranged in different planes, one end of the first plug 204 and the second plug 205 are fixedly installed with a limit block 206, a column foot body 207 is fixedly installed at the top of the base plate 201, a reinforcing column 208 is fixedly installed on the outer wall of the column foot body 207, and the bottom of the reinforcing column 208 is fixedly connected to the top of the base plate 201.

[0023] The effect achieved by the entire embodiment 1 is that the shear key 203 is fixedly installed at the bottom of the base plate 201, and the shear key 203 is inserted into the inside of the shear groove 103, so as to facilitate the fixed installation of the base plate 201, and the first plug 204 and the second plug 205 are respectively inserted into the inside of the two slots 104, and the limiting block 206 is fixedly installed at one end of the first plug 204 and the second plug 205, and the connection between the column base component 2 and the ground component 1 is reinforced by using the first plug 204 and the second plug 205, and the first plug 204 and the second plug 205 are positioned by using the limiting block 206; the convex point 202 is fixedly installed at the bottom of the base plate 201, so as to facilitate In order to increase the friction between the contact surface of the base plate 201 and the foundation 101, it is convenient to disperse the stress and improve the reliability of the connection. The column foot body 207 is fixedly installed on the top of the base plate 201, and the reinforcing column 208 is fixedly installed on the outer wall of the column foot body 207. The bottom of the reinforcing column 208 is fixedly connected to the top of the base plate 201. The bolt 212 is inserted through the inside of the reinforcing column 208 and the base plate 201, and the bolt 212 is inserted into the inside of the foundation 101. The bolt 212 is threadedly connected to the foundation 101, the base plate 201, and the reinforcing column 208 to facilitate strengthening the connection between the column foot body 207 and the foundation 101 to avoid loosening or breakage.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, the corners of the column foot body 207 are fixedly installed with stiffening ribs 209, the top of the base plate 201 is provided with a pad 210, and the top of the pad 210 is provided with a fastening nut 211; the inner parts of the reinforcing column 208 and the base plate 201 are penetrated with bolts 212, and the bolts 212 are threadedly connected with the reinforcing column 208 and the base plate 201; the outer wall of the column foot body 207 is sleeved with a clamping plate 213, and the inner part of the clamping plate 213 is fixedly installed with a sealing sleeve 214, and the clamping plate 213 is clamped with the base plate 201; the ground component 1 includes a foundation 101, and the foundation A group of anchor bolts 102 are fixedly installed inside the foundation 101, and half of the anchor bolts 102 are exposed from the top of the foundation 101; a shear groove 103 is opened on the top of the foundation 101, and slots 104 are opened on opposite sides of the foundation 101; the shear key 203 is inserted into the shear groove 103, and the first bolt 204 and the second bolt 205 are respectively inserted into the slot 104, and the anchor bolt 102 passes through the bottom plate 201, the pad 210 and the fastening nut 211 in sequence, and the fastening nut 211 is threadedly connected to the anchor bolt 102.

[0025] The effect achieved by the entire embodiment 2 is that, by fixing the anchor bolt 102 inside the foundation 101, half of the anchor bolt 102 is exposed from the foundation 101, so that the bottom plate 201 is conveniently installed on the top of the foundation 101, and then a shear groove 103 is opened on the top of the foundation 101, and a slot 104 is opened on the opposite side of the foundation 101, and the shear key 203 is inserted during connection, so as to effectively resist the horizontal shear force and prevent the column foot body 207 from slipping under the action of an earthquake; a reinforcing column 208 is fixedly installed on the outer wall of the column foot body 207, the bottom of the reinforcing column 208 is fixedly connected to the top of the bottom plate 201, a bolt 212 is inserted through the inside of the reinforcing column 208 and the bottom plate 201, the bolt 212 is inserted into the inside of the foundation 101, and the bolt 212 is threadedly connected to the foundation 101, the bottom plate 201, and the reinforcing column 208, so as to facilitate strengthening the connection between the column foot body 207 and the foundation 101. The column foot assembly 207 is provided with a fixing plate 213, and a sealing sleeve 214 is fixedly installed inside the fixing plate 213. After the connection is completed, the fixing plate 213 is used to clamp the fixing plate 213 with the bottom plate 201 to protect the bolts 212 and the fixing nuts 211 at the connection parts to avoid loosening or breaking.

[0026] Working principle: When the device is used, first, the anchor bolt 102 is fixedly installed inside the ground foundation 101, and half of the anchor bolt 102 is exposed from the ground foundation 101, so that the bottom plate 201 is conveniently installed on the top of the ground foundation 101, and then a shear groove 103 is opened on the top of the ground foundation 101, and a slot 104 is opened on the opposite side of the ground foundation 101, and a shear key 203 is fixedly installed at the bottom of the bottom plate 201, and the shear key 203 is inserted into the inside of the shear groove 103, so as to facilitate the fixed installation of the bottom plate 201, and the first plug 204 and the second plug 205 are respectively inserted into the inside of the two slots 104, and the first plug 203 is inserted into the inside of the two slots 104. 04 and one end of the second bolt 205 are fixedly installed with a limit block 206, and the connection between the column foot assembly 2 and the ground assembly 1 is reinforced by using the first bolt 204 and the second bolt 205, and the first bolt 204 and the second bolt 205 are positioned by using the limit block 206; secondly, a protrusion 202 is fixedly installed at the bottom of the bottom plate 201 to increase the friction between the contact surface of the bottom plate 201 and the foundation 101, to disperse the stress and improve the reliability of the connection, and a column foot body 207 is fixedly installed on the top of the bottom plate 201, and a reinforcing column 208 is fixedly installed on the outer wall of the column foot body 207, and the bottom of the reinforcing column 208 is connected to the bottom plate 2 01, insert the bolt 212 through the reinforcing column 208 and the bottom plate 201, insert the bolt 212 into the foundation 101, set the bolt 212 and the foundation 101, the bottom plate 201, the reinforcing column 208 threaded connection, so as to strengthen the connection between the column foot body 207 and the foundation 101 and avoid loosening or breaking; then, fix the stiffening rib 209 at the corner of the column foot body 207, fix the bottom of the stiffening rib 209 to the top of the bottom plate 201, reserve a through hole inside the bottom plate 201, and insert the anchor bolt 102 into the through hole when installing the column foot assembly 2. A pad 210 and a fastening nut 211 are sequentially sleeved on the outer wall of the anchor bolt 102 from bottom to top, and the fastening nut 211 is threadedly connected to the anchor bolt 102 to further strengthen the connection between the column foot body 207 and the foundation 101, thereby reinforcing the connection part to achieve stability and earthquake resistance; finally, a clamping plate 213 is sleeved on the outer wall of the column foot body 207, and a sealing sleeve 214 is fixedly installed inside the clamping plate 213. After the connection is completed, the clamping plate 213 is clamped with the base plate 201 to protect the bolts 212 and the fastening nut 211 at the connection part to avoid long-term contact with water, which may cause rust stains on the surface and cause loose connection.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A roof steel column base structure, characterized in that: include: A ground assembly (1) and a column base assembly (2); The column foot assembly (2) comprises a base plate (201), a protrusion (202) fixedly mounted at the bottom of the base plate (201), a shear key (203) fixedly mounted at the bottom of the base plate (201), a first plug (204) and a second plug (205) inserted through the inside of the shear key (203), the first plug (204) and the second plug (205) being arranged vertically on different planes, a limit block (206) fixedly mounted at one end of the first plug (204) and the second plug (205), a column foot body (207) fixedly mounted at the top of the base plate (201), a reinforcing column (208) fixedly mounted on the outer wall of the column foot body (207), and the bottom of the reinforcing column (208) being fixedly connected to the top of the base plate (201).

2. The roof steel column base structure according to claim 1, characterized in that: A stiffening rib (209) is fixedly installed at the corners of the column foot body (207), a pad (210) is arranged on the top of the base plate (201), and a fastening nut (211) is arranged on the top of the pad (210).

3. The roof steel column base structure according to claim 1, characterized in that: Bolts (212) are inserted through the interior of the reinforcing column (208) and the bottom plate (201), and the bolts (212) are threadedly connected to the reinforcing column (208) and the bottom plate (201).

4. The roof steel column base structure according to claim 1, characterized in that: The outer wall of the column foot body (207) is sleeved with a clamping plate (213), a sealing sleeve (214) is fixedly installed inside the clamping plate (213), and the clamping plate (213) is clamped with the bottom plate (201).

5. The roof steel column base structure according to claim 2, characterized in that: The ground component (1) comprises a ground foundation (101), a group of anchor bolts (102) being fixedly installed inside the ground foundation (101), and half of the group of anchor bolts (102) being exposed from the top of the ground foundation (101).

6. The roof steel column base structure according to claim 5, characterized in that: A shear groove (103) is provided at the top of the foundation (101), and slots (104) are provided through the opposite sides of the foundation (101).

7. The roof steel column base structure according to claim 6, characterized in that: The shear key (203) is inserted into the shear groove (103), the first plug (204) and the second plug (205) are respectively inserted into the slot (104), the anchor bolt (102) passes through the bottom plate (201), the backing plate (210) and the fastening nut (211) in sequence, and the fastening nut (211) is threadedly connected to the anchor bolt (102).