CN214834052U - Column base system convenient for hoisting and fixing steel column - Google Patents
Column base system convenient for hoisting and fixing steel column Download PDFInfo
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- CN214834052U CN214834052U CN202120985297.7U CN202120985297U CN214834052U CN 214834052 U CN214834052 U CN 214834052U CN 202120985297 U CN202120985297 U CN 202120985297U CN 214834052 U CN214834052 U CN 214834052U
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Abstract
The utility model relates to a connecting structure for a metal supporting component, and discloses a column base system which is convenient for hoisting and fixing a steel column; the steel column installation structure comprises a bottom plate which is horizontally arranged on an installation foundation and is fixedly connected with the installation foundation, an outer sleeve is vertically anchored on the bottom plate, and the outer sleeve is hooped outside a steel column to be installed; the steel column is vertically arranged in the steel column, the inner sleeve is connected with the steel column in a sliding mode, a reserved nut is anchored on the inner wall of the inner sleeve, and the inner sleeve is an elastic pipe with a variable cross section; and the steel column to be installed is connected with the installation foundation through a bolt penetrating through the reserved nut after penetrating through the outer sleeve, the steel column and the inner sleeve. The utility model discloses in, the bottom plate and the steel column of steel column are not lug connection, but anchor earlier on the installation basis, then insert the steel column in the outer sleeve on the bottom plate, reuse bolted connection steel column and outer sleeve need not align anchor bolt hole and a plurality of crab-bolts on the bottom plate when the steel column hoist and mount, also need not carry out any welding, and joint strength is stable and the efficiency of construction is high.
Description
Technical Field
The utility model relates to a connection structure that metal support component was used especially relates to a make things convenient for steel column hoist and mount and fixed column base system.
Background
In a steel building structure system, a column base is an important component for connecting a superstructure and a foundation in a steel structure and is an important factor for determining the bearing capacity of the whole structure system.
The column base can be roughly divided into two categories, namely a hinged column base and a rigid-connection column base according to the internal force of the structure. The hinged column shoe can only transmit horizontal force and vertical force, and the rigid column shoe can transmit bending moment besides transmitting horizontal force and vertical force. In the column base design, because the content of the standard related column base is less, the specification is not detailed enough, and because the stress performance of the steel column base is not clear, in the actual column base design process, some assumptions are made on the column base model artificially, the designed model is simplified, so that the column base design is different from person to person, and in order to ensure the safety, the column base is conservative, and the waste is caused to a certain extent.
While existing column shoe designs vary from person to person, welding and/or bolting is commonly used. The welding reliability is affected by the proficiency of welders, the welding quality is unstable due to the shortage of skilled welders, and in addition, the welding construction speed is slow, so that the construction speed of the whole structure is limited to a great extent; and adopt the crab-bolt to connect, will face the problem of on the other hand, steel column is in hoist and mount in-process, and the anchor bolt hole on the column bottom plate is difficult to align simultaneously with a plurality of crab-bolts on the installation basis, often needs to adjust repeatedly, still needs to do anchor bolt hole a little more sometimes, influences joint strength.
SUMMERY OF THE UTILITY MODEL
The utility model provides a make things convenient for steel column hoist and mount and fixed column base system.
The technical problem to be solved is that: when the existing steel column is installed, welding is adopted, construction is slow, connection strength is unstable, and anchor bolts are adopted for connection, so that hoisting of the steel column is not facilitated.
In order to solve the technical problem, the utility model adopts the following technical scheme: a column foot system convenient for hoisting and fixing a steel column is used for anchoring a hollow steel column on an installation foundation; the steel column installation structure comprises a bottom plate which is horizontally arranged on an installation foundation and is fixedly connected with the installation foundation, wherein an outer sleeve is vertically anchored on the bottom plate and hooped outside a steel column to be installed;
the column foot system further comprises an inner sleeve which is vertically arranged in the steel column and is in sliding connection with the steel column, a reserved nut is anchored on the inner wall of the inner sleeve, and the inner sleeve is an elastic tube with a variable cross section;
and the steel column to be installed is connected with the installation foundation through a bolt penetrating through the reserved nut after penetrating through the outer sleeve, the steel column and the inner sleeve.
Further, the bottom plate is anchored on the installation foundation through anchor bolts.
Further, bolt holes which are in one-to-one correspondence with the anchor bolts and are coaxially arranged are formed in the bottom plate, and bolt holes which are in one-to-one correspondence with the reserved nuts and are coaxially arranged are formed in the outer sleeve, the inner sleeve and the steel column respectively.
Further, the inner sleeve is formed by splicing a plurality of inner cylinder unit plates, two adjacent inner cylinder unit plates are connected through an elastic connecting piece, and the reserved nut is anchored on the inner cylinder unit plates.
Further, the steel column is a rectangular column, the inner sleeve is formed by splicing four inner cylinder unit plates with the same specification, and the inner cylinder unit plates are straight steel plates.
Furthermore, the elastic connecting piece is an inner cylinder connecting plate plugged at two ends of the inner sleeve, and the inner cylinder connecting plate is detachably connected with each inner cylinder unit plate respectively.
Furthermore, the inner cylinder connecting plate is an elastic cross-shaped plate, grooves for inserting the inner cylinder unit plates are formed in each branch of the cross-shaped plate respectively, and the grooves are perpendicular to the extending direction of the branch where the grooves are formed.
The utility model relates to a make things convenient for steel column hoist and mount and fixed column base system compares with prior art, has following beneficial effect:
in the utility model, the bottom plate of the steel column is not directly connected with the steel column, but is anchored on the installation foundation firstly, then the steel column is inserted into the outer sleeve on the bottom plate, and then the steel column is connected with the outer sleeve by the bolt, so that the bolt holes on the bottom plate are not required to be aligned with a plurality of anchor bolts when the steel column is hoisted, and no welding is required, the connection strength is stable and the construction efficiency is high;
in the utility model, a slidable inner sleeve is arranged in the hollow steel column, and a reserved nut is arranged on the inner wall of the inner sleeve, the position of the reserved nut can be finely adjusted along with the movement of the inner sleeve, and the reserved nut is aligned with a bolt along with the rotation of the bolt after the bolt is inserted, so that the outer sleeve and the steel column can be directly connected by the bolt on the premise that the construction in the hollow steel column cannot be carried out;
the utility model discloses in, the inner skleeve is the elasticity pipe of shore on the steel column inner wall, makes to reserve the nut and can remove farther along with the deformation of inner skleeve, has further made things convenient for keeping in good order of nut and bolt after the bolt inserts.
Drawings
Fig. 1 is a first structural schematic view of a column foot system for facilitating the hoisting and fixing of a steel column of the present invention;
fig. 2 is a schematic structural view of a column foot system for facilitating the hoisting and fixing of a steel column of the present invention;
FIG. 3 is a schematic structural view of an inner cylinder unit plate;
FIG. 4 is a top view of the inner barrel web prior to bending;
FIG. 5 is a front view of the inner barrel web after bending;
the steel column structure comprises a bottom plate 1, a bottom plate 2, anchor bolts 3, an outer sleeve 41, an inner cylinder unit plate 42, an inner cylinder connecting plate 43, reserved nuts and a steel column 5.
Detailed Description
As shown in fig. 1-2, a column shoe system for facilitating the hoisting and fixing of a steel column is used for anchoring a hollow steel column 5 on an installation foundation; the steel column installation structure comprises a bottom plate 1 which is horizontally arranged on an installation foundation and is fixedly connected with the installation foundation, an outer sleeve 3 is vertically anchored on the bottom plate 1, and the outer sleeve 3 is hooped outside a steel column 5 to be installed; in the embodiment, the outer sleeve 3 is welded on the bottom plate 1 in advance, and welding is not needed on site. In addition, in order to prevent the steel column 5 from shaking, the outer sleeve 3 and the steel column 5 need to be attached as closely as possible, and the gap between the two needs to be smaller as better on the premise of not influencing hoisting.
The column base system further comprises an inner sleeve vertically arranged in the steel column 5 and connected with the steel column 5 in a sliding mode, and a reserved nut 43 is anchored on the inner wall of the inner sleeve. Here, if the nut 43 is directly anchored to the inner wall of the steel column 5, it cannot be used because it is difficult to align with the bolt.
The inner sleeve is an elastic tube with a variable cross section; the elastic pipe should be in interference fit with the steel column 5, so that the top support cannot fall off in the steel column 5 and can be plugged in before hoisting. In practical use, if the inner sleeve and the steel column 5 are not well attached, the filler can be filled a little bit if the filler falls down after the plug is inserted.
The steel column 5 to be installed is connected to the installation base by a bolt penetrating through the outer sleeve 3, the steel column 5, and the inner sleeve and then passing through the reserved nut 43. The bottom plate 1 is provided with bolt holes which are in one-to-one correspondence with the anchor bolts 2 and are coaxially arranged, and the outer sleeve 3, the inner sleeve and the steel column 5 are respectively provided with bolt holes which are in one-to-one correspondence with the reserved nuts 43 and are coaxially arranged. The operation of punching and the like on site is avoided as much as possible, and only the assembly operation of screwing bolts and the like is carried out on site as much as possible, so that the construction process can be accelerated.
The base plate 1 is anchored to the installation foundation by means of anchor bolts 2. The installation foundation in this embodiment is a commonly used concrete foundation, and the lower end of the anchor bolt 2 is embedded in concrete in advance.
As shown in fig. 3, the inner sleeve is formed by splicing a plurality of inner cylinder unit plates 41, two adjacent inner cylinder unit plates 41 are connected by an elastic connecting piece, and a reserved nut 43 is anchored on the inner cylinder unit plates 41.
In this embodiment, the steel column 5 is a rectangular column, the inner sleeve is formed by splicing four inner tube unit plates 41 with the same specification, and the inner tube unit plates 41 are straight steel plates. The inner tube unit plates 41 are flat plates, and if the inner tube unit plates are steel tube columns, the inner tube unit plates can be spliced by arc-shaped plates.
The elastic connecting piece is an inner cylinder connecting plate 42 plugged at two ends of the inner sleeve, and the inner cylinder connecting plate 42 is detachably connected with each inner cylinder unit plate 41 respectively.
As shown in fig. 4-5, the inner cylinder connecting plate 42 is an elastic cross-shaped plate, each branch of the cross-shaped plate is provided with a groove for inserting the inner cylinder unit plate 41, and each groove is perpendicular to the extending direction of the branch in which the groove is located. As shown in fig. 4, the portions on both sides of the groove are bent toward the inner tube element plate 41 to sandwich the inner tube element plate 41 when in use, and the structure shown in fig. 5 is formed.
In this embodiment, the inner cylinder connecting plate 42 is a steel sheet. However, the material of the inner cylinder connecting plate 42 is not limited to steel, and may be plastic or rubber.
The utility model relates to a make things convenient for steel column hoist and mount and fixed column base system's installation method, including following step:
the method comprises the following steps: mounting the base plate 1 with the outer sleeve 3 on the anchor bolt 2;
step two: connecting each inner cylinder unit plate 41 by using an inner cylinder connecting plate 42 to form an inner sleeve, and then placing the inner sleeve at the bottom of the steel column 5;
step three: and hoisting the steel column 5 to enable the lower end of the steel column 5 to enter the outer sleeve 3, and then connecting the steel column 5 with the outer sleeve 3 by using bolts.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. A column foot system convenient for hoisting and fixing a steel column is used for anchoring a hollow steel column (5) on an installation foundation; the method is characterized in that: the steel column mounting structure comprises a bottom plate (1) which is horizontally arranged on a mounting base and fixedly connected with the mounting base, wherein an outer sleeve (3) is vertically anchored on the bottom plate (1), and the outer sleeve (3) is hooped outside a steel column (5) to be mounted;
the column foot system further comprises an inner sleeve which is vertically arranged in the steel column (5) and is in sliding connection with the steel column (5), a reserved nut (43) is anchored on the inner wall of the inner sleeve, and the inner sleeve is an elastic pipe with a variable cross section;
the steel column (5) to be installed is connected with the installation foundation through bolts penetrating through the outer sleeve (3), the steel column (5) and the inner sleeve and then penetrating through the reserved nuts (43).
2. The column foot system convenient for steel column hoisting and fixing according to claim 1, characterized in that: the bottom plate (1) is anchored on an installation foundation through an anchor bolt (2).
3. The column foot system convenient for steel column hoisting and fixing according to claim 2, wherein: the steel column fixing device is characterized in that bolt holes which correspond to the anchor bolts (2) one to one and are coaxially arranged are formed in the bottom plate (1), and bolt holes which correspond to the reserved nuts (43) one to one and are coaxially arranged are formed in the outer sleeve (3), the inner sleeve and the steel column (5) respectively.
4. The column foot system convenient for steel column hoisting and fixing according to claim 1, characterized in that: the inner sleeve is formed by splicing a plurality of inner cylinder unit plates (41), two adjacent inner cylinder unit plates (41) are connected through an elastic connecting piece, and the reserved nut (43) is anchored on the inner cylinder unit plates (41).
5. The column foot system convenient for steel column hoisting and fixing according to claim 4, wherein: the steel column (5) is a rectangular column, the inner sleeve is formed by splicing four inner cylinder unit plates (41) with the same specification, and the inner cylinder unit plates (41) are straight steel plates.
6. The column foot system convenient for steel column hoisting and fixing according to claim 5, wherein: the elastic connecting piece is an inner cylinder connecting plate (42) plugged at two ends of the inner sleeve, and the inner cylinder connecting plate (42) is detachably connected with each inner cylinder unit plate (41) respectively.
7. The column foot system convenient for steel column hoisting and fixing according to claim 6, wherein: the inner cylinder connecting plate (42) is an elastic cross-shaped plate, grooves used for inserting the inner cylinder unit plates (41) are formed in each branch of the cross-shaped plate respectively, and the grooves are perpendicular to the extending direction of the branch where the grooves are located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985297.7U CN214834052U (en) | 2021-05-10 | 2021-05-10 | Column base system convenient for hoisting and fixing steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985297.7U CN214834052U (en) | 2021-05-10 | 2021-05-10 | Column base system convenient for hoisting and fixing steel column |
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| CN214834052U true CN214834052U (en) | 2021-11-23 |
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| CN202120985297.7U Active CN214834052U (en) | 2021-05-10 | 2021-05-10 | Column base system convenient for hoisting and fixing steel column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478611A (en) * | 2022-10-26 | 2022-12-16 | 天津大学 | Square steel pipe combined special-shaped column frame structure system for low-rise building |
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2021
- 2021-05-10 CN CN202120985297.7U patent/CN214834052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478611A (en) * | 2022-10-26 | 2022-12-16 | 天津大学 | Square steel pipe combined special-shaped column frame structure system for low-rise building |
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