Column foot mounting structure of steel pipe column

By using a combination of pre-embedded L-shaped high-strength bolts and C50 grouting material in a grooved plate structure, the safety and stability issues of traditional welded steel pipe column installation are solved, achieving stable fixing of the steel pipe column and improving installation safety and environmental adaptability.

CN223853542UActive Publication Date: 2026-01-30CHINA RAILWAY EIGHTH BUREAU GROUP SECOND ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202423303816.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In the traditional installation of steel pipe columns, welding operations require a high level of skill, and environmental factors can affect welding quality, leading to safety and stability issues.

Method used

Pre-embedded L-shaped high-strength bolts and C50 grouting material are used to fix the steel pipe column through a combination of groove plate and concrete layer, replacing traditional welding. Stability is improved by combining reinforcing bolts and diagonal braces.

Benefits of technology

This method achieves stable fixation of the steel pipe column, avoids welding defects, improves the safety and stability of installation, and reduces dependence on environmental conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe column foot mounting structure. The steel pipe column foot mounting structure comprises a combined groove plate, a steel pipe column, a steel pipe column flange, a plurality of L-shaped high-strength bolts, a movable ring, a plurality of reinforcing inclined rods and a plurality of reinforcing bolts. The L-shaped high-strength bolts are arranged, the embedded L-shaped high-strength bolts are adopted to replace traditional column foot welding, the bottom of the steel pipe column is firmly locked, finally, the bottom of the steel pipe column is fixed through self-flowing type c50 grouting materials, traditional steel plates are replaced, welding of the bottom of the steel pipe column and the steel plates is avoided, welding damage is reduced, and the service life of the steel pipe column is prolonged. Unnecessary steel plate installation and welding are reduced; through the arrangement of the reinforcing bolt, the reinforcing bolt can be adjusted into the pouring groove before the c50 grouting material is poured, the reinforcing bolt is covered when the c50 grouting material is poured, the reinforcing bolt cannot be pulled out and moved after the c50 grouting material is solidified, the effect of supporting the steel pipe column can be achieved through cooperation with the reinforcing inclined rod, and the stability of the steel pipe column is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building support and fixed structure technical field especially relates to a steel pipe column foot mounting structure. BACKGROUND

[0002] Steel pipe column refers to the column made of steel pipe, it is usually used for supporting and fixed structure, is widely used in various buildings and structures, such as high-rise building, bridge, highway, tunnel etc.

[0003] In prior art, in the traditional installation step, steel pipe column needs to lay steel plate at installation point in installation process, and the bottom of steel pipe column is welded on steel plate to be fixed, but the following problems exist in welding mode, the level requirement of operator is higher if operation is improper, it can influence safety, welding can be influenced by environmental temperature, humidity and other factors, if environmental condition does not satisfy the requirement, it can influence welding quality.

[0004] Therefore, a steel pipe column foot mounting structure needs to be developed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a steel pipe column foot mounting structure to solve the above problems.

[0006] The utility model discloses the following technical scheme to realize the above-mentioned purpose:

[0007] A steel pipe column foot mounting structure, comprising:

[0008] Combination groove board is installed in the groove dug in the ground, and a concrete layer is arranged below the combination groove board, and a c50 grouting material layer is arranged above the combination groove board;

[0009] Steel pipe column;

[0010] Steel pipe column flange; the lower end of the steel pipe column is provided with a steel pipe column flange;

[0011] Multiple L-shaped high-strength bolts; the bent part of the L-shaped high-strength bolt is arranged below and embedded in the concrete layer, and the upper end of the multiple L-shaped high-strength bolts is connected with the steel pipe column flange;

[0012] Movable ring; the movable ring is sleeved on the outer wall of the steel pipe column; multiple screw holes are arranged radially on the movable ring, and the locking bolt is screwed into the screw hole from the outside to the inside and abuts against the outer wall of the steel pipe column;

[0013] Multiple reinforcing inclined rods; the first end of the multiple reinforcing inclined rods is installed on the outer wall of the steel pipe column;

[0014] A plurality of reinforcing bolts are vertically installed on the second end of the reinforcing inclined rod; and the plurality of reinforcing bolts are embedded in the c50 grouting material layer.

[0015] The utility model discloses beneficial effect lies in:

[0016] In the utility model, through the setting of L type high -strength bolt, adopt pre -buried L type high -strength bolt instead of traditional column foot welding, with steel pipe column bottom firmly lock, finally adopt the c50 grouting material of self -flow type to the fixed steel pipe column bottom, replace traditional steel sheet, avoid steel pipe column bottom and steel sheet welding, reduce the welding burn, also reduce unnecessary steel sheet installation and welding.

[0017] In the utility model, through the setting of reinforcing bolt, can adjust reinforcing bolt to the pouring groove before pouring c50 grouting material, and c50 grouting material will cover reinforcing bolt when pouring, and after c50 grouting material solidifies, reinforcing bolt cannot be pulled out and moved, and through the cooperation with reinforcing inclined rod, the effect of supporting steel pipe column can be realized, and the stability of steel pipe column is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an explosion structure schematic view of the steel pipe column column foot mounting structure provided by the utility model;

[0019] Figure 2 It is a structure schematic view of the L type high -strength bolt part of the steel pipe column column foot mounting structure provided by the utility model;

[0020] Figure 3 It is a structure schematic view of the steel pipe column part of the steel pipe column column foot mounting structure provided by the utility model;

[0021] Figure 4 It is a connection structure schematic view of the steel pipe column column foot mounting structure provided by the utility model;

[0022] Figure 5 It is a cross section structure schematic view of the steel pipe column column foot mounting structure provided by the utility model.

[0023] In the drawing: 100, combination board;101, steel pipe column;102, pouring groove;200, concrete layer;201, c50 grouting material layer;202, L type high -strength bolt;203, reinforcing bar;204, support nut;205, bamboo plywood;206, connecting nut;207, mounting hole;300, steel pipe column flange;301, support inclined plate;302, connecting hole;400, movable ring;401, reinforcing inclined rod;402, reinforcing bolt;403, sliding groove;404, limiting strip;405, screw hole;406, locking bolt. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0026] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The specific embodiments of the present application will be described in detail below in conjunction with the drawings.

[0031] As shown in Figures 2-5 A steel pipe column base mounting structure, comprising:

[0032] The combined slot plate is installed in a groove dug in the ground, a concrete layer 200 is arranged below the combined slot plate, and a c50 grouting material layer 201 is arranged above the combined slot plate;

[0033] The steel pipe column 101;

[0034] The steel pipe column flange 300 is arranged at the lower end of the steel pipe column 101;

[0035] The eight L-shaped high-strength bolts 202 are arranged below and embedded in the concrete layer 200, the upper ends of the eight L-shaped high-strength bolts 202 are connected to the steel pipe column flange 300, and the eight L-shaped high-strength bolts 202 are uniformly distributed on the steel pipe column flange 300;

[0036] The movable ring 400 is sleeved on the outer wall of the steel pipe column 101, four threaded holes 405 are uniformly arranged on the movable ring 400 in the radial direction, and the locking bolts 406 are screwed into the threaded holes 405 from the outside to the inside and abut against the outer wall of the steel pipe column 101;

[0037] The four reinforcing inclined rods 401 are uniformly arranged at the first ends of the four reinforcing inclined rods 401 on the outer wall of the steel pipe column 101;

[0038] The four reinforcing bolts 402 are vertically arranged on the second ends of the reinforcing inclined rods 401, and the four reinforcing bolts 402 are embedded in the c50 grouting material layer 201.

[0039] As shown in Figure 2 and 4 , the steel pipe column foot mounting structure further includes eight support nuts 204 and eight connecting nuts 206, eight connecting holes 302 are vertically arranged on the steel pipe column flange 300, the upper end of the screw rod part of each L-shaped high-strength bolt 202 is in threaded cooperation with one support nut 204 and one connecting nut 206, the support nut 204 is arranged below the steel pipe column flange 300, and the connecting nut 206 is arranged above the steel pipe column flange 300.

[0040] As shown in Figure 2 , the screw rod parts of the eight L-shaped high-strength bolts 202 are parallel to each other, and the end parts of the bent parts of the eight L-shaped high-strength bolts 202 are radially directed to the axial line of the steel pipe column flange 300.

[0041] As shown in Figure 2 , the steel pipe column foot mounting structure further includes sixteen steel bars 203, and two parallel steel bars 203 are arranged between adjacent two L-shaped high-strength bolts 202.

[0042] As shown in Figure 3As shown, eight support inclined plates 301 are arranged on the flange 300 of the steel pipe column 101, and the side walls of the support inclined plates 301 are connected with the outer wall of the steel pipe column 101.

[0043] As shown in Figure 3 As shown, four limiting strips 404 are vertically arranged on the outer wall of the steel pipe column 101, and four sliding grooves 403 are vertically arranged on the inner wall of the movable ring 400 correspondingly, the width of the sliding grooves 403 is slightly larger than the width of the limiting strips 404, and the limiting strips 404 can be arranged in the sliding grooves 403 and slide up and down.

[0044] As shown in Figure 4 As shown, the combined groove plate comprises four combined plates 100, and the combined plates 100 are connected in a head-to-tail mode to form a cuboid.

[0045] As shown in Figures 1-5 As shown, the working principle of the utility model is:

[0046] During installation, first dig a trench on the ground, lay four combined plates 100 around the trench to form a pouring groove 102, then surround eight L-shaped high-strength bolts 202 to form a circle, weld and fix two steel bars 203 between two adjacent L-shaped high-strength bolts 202 to combine the eight L-shaped high-strength bolts 202 together, then screw eight supporting nuts 204 on the eight L-shaped high-strength bolts 202 in sequence, then open corresponding number of mounting holes 207 on the bamboo plywood 205 according to the distribution position of the L-shaped high-strength bolts 202, pass the eight L-shaped high-strength bolts 202 through the corresponding mounting holes 207, at this time the bamboo plywood 205 can be placed on the supporting nuts 204, then screw eight connecting nuts 206 on the eight L-shaped high-strength bolts 202, tighten the connecting nuts 206 to clamp the bamboo plywood 205 between the connecting nuts 206 and the supporting nuts 204 to prevent the bamboo plywood 205 from falling off, limit the position of the L-shaped high-strength bolts 202 through the mounting holes 207 on the bamboo plywood 205 to prevent the L-shaped high-strength bolts 202 from deviating, play a reinforcing role, then put it into the pouring groove 102, pour concrete into the pouring groove 102, wait for the concrete to solidify to form a concrete layer 200, and realize the embedding and fixing of the L-shaped high-strength bolts 202, after completion, unscrew the connecting nuts 206, take down the bamboo plywood 205, then hoist the steel pipe column 101 above the L-shaped high-strength bolts 202, align the connecting holes 302 on the steel pipe column flange 300 with the L-shaped high-strength bolts 202, adjust the perpendicularity of the steel pipe column 101, then reinstall the connecting nuts 206 on the L-shaped high-strength bolts 202 to fix the steel pipe column flange 300 and the steel pipe column 101, then rotate the locking bolts 406 on the movable ring 400, the locking bolts 406 will rotate and move in the threaded holes 405 during rotation, so that the moving locking bolts 406 move away from the steel pipe column 101, at this time the position of the movable ring 400 can be adjusted up and down, the movable ring 400 will slide on the limiting strips 404 through the sliding grooves 403 when moving, thereby limiting the moving direction of the movable ring 400, the continuously moving movable ring 400 will move the surrounding reinforcing inclined rods 401, so that the reinforcing inclined rods 401 move the reinforcing pegs 402, the position of the reinforcing pegs 402 can be moved to enter the pouring groove 102 and contact the concrete layer 200, after adjustment, tighten the locking bolts 406 around again to reset the locking bolts 406 and press them on the steel pipe column 101, re-limit the position of the movable ring 400, after completion, pour c50 grouting material into the pouring groove 102 to form a c50 grouting material layer 201, the c50 grouting material has strong flowability and can flow flat and fill gaps, fully contacts the concrete layer 200 and the steel pipe column flange 300, and covers the L-shaped high-strength bolts 202 and the reinforcing pegs 402, after solidification, can increase the stability of the steel pipe column 101,The reinforcing bolt 402 cannot be pulled out and moved, and the reinforcing inclined rod 401 can improve the supporting effect on the steel pipe column 101.

[0047] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered within the protection scope of the present application.

Claims

1. A steel pipe column footing mounting structure characterized by, include: Combined trough plate; The combined trough plate is installed in a trench dug in the ground. A concrete layer is set at the bottom of the combined trough plate, and a C50 grouting material layer is set at the top of the combined trough plate. Steel pipe column; Steel pipe column flange; The lower end of the steel pipe column is equipped with a steel pipe column flange; Multiple L-shaped high-strength bolts; the bent part of the L-shaped high-strength bolts is placed at the bottom and pre-embedded in the concrete layer, and the upper end of the multiple L-shaped high-strength bolts is connected to the steel pipe column flange. The movable ring is fitted onto the outer wall of the steel pipe column. Multiple threaded holes are radially arranged on the movable ring, and the locking bolt is screwed into the threaded holes from the outside to the inside and pressed against the outer wall of the steel pipe column. Multiple reinforcing diagonal braces; the first end of each reinforcing diagonal brace is installed on the outer wall of the steel pipe column; Multiple reinforcing bolts; multiple reinforcing bolts are vertically installed on the second end of the reinforcing diagonal bar; multiple reinforcing bolts are pre-embedded in the C50 grouting material layer.

2. The steel pipe column base mounting structure according to claim 1, characterized by The steel pipe column base installation structure also includes multiple support nuts and multiple connecting nuts. Multiple connecting holes are vertically provided on the steel pipe column flange. The upper threaded part of each L-shaped high-strength bolt is threaded with a support nut and a connecting nut. The support nut is placed below the steel pipe column flange, and the connecting nut is placed above the steel pipe column flange.

3. The steel pipe column base mounting structure according to claim 1, characterized by The bolt sections of multiple L-shaped high-strength bolts are parallel to each other, and the bent ends of the multiple L-shaped high-strength bolts all point radially toward the centerline of the steel pipe column flange.

4. The steel pipe column base mounting structure according to claim 1, characterized by The steel pipe column base installation structure also includes multiple reinforcing bars, and adjacent L-shaped high-strength bolts are connected by at least one reinforcing bar.

5. The steel pipe column base mounting structure according to claim 1, characterized by The steel pipe column flange is equipped with multiple support inclined plates, and the side walls of the support inclined plates are connected to the outer wall of the steel pipe column.

6. The steel pipe column base mounting structure according to claim 1, characterized by Multiple limiting strips are vertically installed on the outer wall of the steel pipe column. Correspondingly, multiple sliding grooves are vertically set on the inner wall of the movable ring. The width of the sliding groove is slightly larger than the width of the limiting strip, and the limiting strip can slide up and down in the sliding groove.

7. The steel pipe column base mounting structure according to claim 1, characterized by The combined trough plate consists of four combined plates, which are connected end to end to form a cuboid shape.