阅读说明：本技术 一种内设十字劲性钢结构的箱型钢柱及制作方法 (Box-type steel column with cross stiffening steel structure inside and manufacturing method ) 是由 唐香君 罗声祥 骆贵波 夏杰 徐兵 於立军 周睿 刘克敏 于靖玉 赵杭琪 陈昌辉 于 2020-06-24 设计创作，主要内容包括：一种内设十字劲性钢结构的箱型钢柱及制作方法,所述箱型钢柱包括钢箱体,具有一两端贯通的空腔,且钢箱体的顶部沿钢箱体长度方向设有一安装缝；十字劲性钢结构,设置在钢箱体空腔中心位置,包括十字型钢柱和设置于十字型钢柱上的栓钉,所述十字型钢柱由一条H型钢和两条T型钢拼接而成；H型钢以及T型钢各自的翼缘板外端面均设置至少两列沿十字型支撑结构轴向布置的栓钉；以及纵向肋,分别设置在十字劲性钢结构的翼缘板与钢箱体的内壁之间；所述制作方法包括以下步骤：将整体分解为个体,组合内部十字型结构,焊接钢箱体,并检验、矫正即可。本发明的有益效果是：避开腔体空间有限对施焊作业的影响和限制,简化了生产工序,满足设计要求。(A box-type steel column with a cross-shaped stiffening steel structure inside and a manufacturing method thereof are provided, wherein the box-type steel column comprises a steel box body, a cavity with two through ends is formed in the steel box body, and a mounting seam is formed in the top of the steel box body along the length direction of the steel box body; the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, and the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure; the longitudinal ribs are respectively arranged between the flange plates of the cross stiff steel structure and the inner wall of the steel box body; the manufacturing method comprises the following steps: the whole body is decomposed into individuals, an internal cross structure is combined, a steel box body is welded, and the steel box body is inspected and corrected. The invention has the beneficial effects that: the influence and the limitation of limited cavity space on welding operation are avoided, the production process is simplified, and the design requirement is met.)

1. The utility model provides an interior box steel column of establishing cross strength nature steel construction which characterized in that includes:

the steel box body is provided with a cavity with two through ends, and the top of the steel box body is provided with a mounting seam along the length direction of the steel box body for fixing the cross-shaped stiff steel structure;

the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and arranged along the length direction of the steel box body, and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure;

and four longitudinal ribs which are respectively arranged between the flange plate of the cross stiff steel structure and the inner wall of the steel box body, and the longitudinal ribs are enabled to fall between two rows of studs of the flange plate connected with the longitudinal ribs, and the upper edges of the longitudinal ribs at the top of the cross stiff steel structure are fixedly connected with the top of the steel box body after being inserted into the mounting seams and are used for fixing the cross stiff steel structure at the central position of the steel box body.

2. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 1, wherein: the steel box body is of a spliced box body structure and comprises a box body bottom plate, two box body side plates and two box body top plates, wherein the box body bottom plate, the box body side plates and the box body top plates are all rectangular steel plates, and the two box body side plates are respectively arranged on two sides of the box body bottom plate along the length direction; the two box body top plates are laid on the edges of the box body side plates in the length direction side by side and enclose a hollow rectangular frame body which is through from front to back with the box body bottom plate and the two box body side plates; a strip-shaped mounting seam is reserved between the two box body top plates, and the mounting seam is arranged along the length direction of the box body bottom plate and used for inserting the tops of the longitudinal ribs.

3. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 1, wherein: the H-shaped steel comprises a first steel web plate, an upper flange plate and a lower flange plate, and the first steel web plate is perpendicular to the bottom plate of the box body; the upper flange plate and the lower flange plate are fixedly arranged on the upper edge and the lower edge of the first steel web plate along the length direction respectively, and the upper flange plate and the lower flange plate are kept perpendicular to the first steel web plate.

4. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 3, wherein: the two T-shaped steels are symmetrically arranged on two sides of a first steel web plate of the H-shaped steel and comprise a second steel web plate and side flange plates, wherein the side flange plates are vertically and fixedly arranged on a first edge of the second steel web plate along the length direction, the second edge of the second steel web plate along the length direction is vertically and fixedly arranged on one end face of the first steel web plate, and the second steel web plates of the two T-shaped steels are kept on the same plane.

5. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 4, wherein: the upper flange plate is parallel to the box top plate of the steel box body, the lower flange plate is parallel to the box bottom plate of the steel box body, the side flange plates are parallel to the box side plates of the steel box body, and two rows of studs are arranged on the end faces of the upper flange plate, the lower flange plate and the side flange plates facing to the inner wall of the steel box body.

6. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 5, wherein: the number of the longitudinal ribs is 4, the longitudinal rib fixedly connected with the upper flange plate is an upper vertical longitudinal rib, the longitudinal rib fixedly connected with the lower flange plate is a lower vertical longitudinal rib, the longitudinal rib fixedly connected with the side flange plate is a horizontal longitudinal rib, the upper vertical longitudinal rib and the lower vertical longitudinal rib are coplanar with a first steel web plate of the H-shaped steel, and the upper edge of the upper vertical longitudinal rib is fixedly connected with a box body top plate after being inserted into the mounting seam; the horizontal longitudinal ribs are coplanar with the second steel web of the T-section steel.

7. The box-type steel column with the built-in cross stiffness steel structure as claimed in claim 6, wherein: the upper edge of the longitudinal rib is flush with the outer surface of the top plate of the box body.

8. The method for manufacturing the box-type steel column with the built-in cross stiffness steel structure according to any one of claims 1 to 7, wherein the method comprises the following steps:

(1) the box-type steel column is decomposed into individuals:

dividing the box-type steel column into a cross stiff steel structure, longitudinal ribs and a steel box body;

(2) assembling the cross-shaped steel column according to the cross-shaped member assembling process:

arranging two box body top plates side by side, and reserving a mounting seam for inserting an upper vertical longitudinal rib in the length direction of the two box body top plates; vertically inserting the upper vertical longitudinal ribs into the mounting seams of the box body, and enabling the upper vertical longitudinal ribs to be flush with the outer surfaces of the top plates of the two box bodies;

assembling and welding the first steel web plate, the upper flange plate and the lower flange plate into H-shaped steel, assembling and welding the second steel web plate and the side flange plate into T-shaped steel, assembling and welding two T-shaped steels and one H-shaped steel into a cross-shaped steel column, and correcting after inspection;

(3) and (3) according to the welding space of the cavity, adopting a method of removing the assembly and the welding, and assembling each side plate of the box body according to an assembling process to complete the assembly of the steel column body:

firstly, respectively welding a longitudinal rib at the central shaft of an upper flange plate, a lower flange plate and two side flange plates of the cross-shaped steel column along the length direction, wherein the longitudinal rib is firstly arranged to avoid the influence on the welding of the longitudinal plates due to the existence of a stud;

secondly, two rows of studs are welded on the outer end faces, facing the inner wall of the steel box body, of the upper flange plate, the lower flange plate and the two side flange plates of the cross-shaped steel column, the two rows of studs are respectively arranged on two sides of the corresponding longitudinal ribs, and then the studs are assembled and welded into the cross-shaped stiff steel support;

thirdly, adopting a horizontal installation process to support the installed and welded cross-shaped stiffness steel on the bottom plate of the box body, positioning and welding the welding line between the longitudinal rib and the bottom plate of the box body;

(4) welding 4 main body welding seams of the steel box body according to the welding process requirement:

assembling and positioning the box body side plates on two sides, and welding the welding seams between the horizontal longitudinal ribs on two sides and the box body side plates;

secondly, assembling and positioning the top plate of the box body, and welding a welding seam between the vertical longitudinal rib and the top plate of the box body;

welding the steel box body edge angle welding seam;

(5) and (5) checking and correcting.

Technical Field

The invention belongs to the technical field of steel structures, and particularly relates to a box-type steel column with a cross stiffening steel structure inside and a manufacturing method of the box-type steel column.

Background

The stiffened structure has the advantages of high bearing capacity, good stability, small size of the section of the member, flexible structural arrangement, strong bonding force with concrete, concrete saving, use space increase, construction cost reduction, engineering quality improvement and the like, and is widely applied to building structures. However, the traditional stiff structural member is composed of concrete, section steel, longitudinal steel bars and stirrups, the internal space is limited, the operation flow is complicated, the construction period is long, the reinforcement binding and formwork erecting all relate to aerial work, and a large safety risk exists.

Disclosure of Invention

In order to overcome the problems, the invention aims to provide a box-type steel column of an inner cavity of a cross stiff steel structure and a manufacturing method thereof.

The invention relates to a box type steel column with a cross stiffening steel structure inside, which is characterized by comprising the following components in parts by weight:

the steel box body is provided with a cavity with two through ends, and the top of the steel box body is provided with a mounting seam along the length direction of the steel box body for fixing the cross-shaped stiff steel structure;

the cross-shaped steel structure is arranged in the center of the cavity of the steel box body and arranged along the length direction of the steel box body, and comprises a cross-shaped steel column and a stud arranged on the cross-shaped steel column, wherein the cross-shaped steel column is formed by splicing an H-shaped steel and two T-shaped steels and is used for being supported inside the steel box body; the outer end faces of flange plates of the H-shaped steel and the T-shaped steel are respectively provided with at least two rows of studs arranged along the axial direction of the cross-shaped supporting structure;

and four longitudinal ribs which are respectively arranged between the flange plate of the cross stiff steel structure and the inner wall of the steel box body, and the longitudinal ribs are enabled to fall between two rows of studs of the flange plate connected with the longitudinal ribs, and the upper edges of the longitudinal ribs at the top of the cross stiff steel structure are fixedly connected with the top of the steel box body after being inserted into the mounting seams and are used for fixing the cross stiff steel structure at the central position of the steel box body.

Furthermore, the steel box body is of a spliced box body structure and comprises a box body bottom plate, two box body side plates and two box body top plates, wherein the box body bottom plate, the box body side plates and the box body top plates are all rectangular steel plates, and the two box body side plates are respectively arranged on two sides of the box body bottom plate along the length direction; the two box body top plates are laid on the edges of the box body side plates in the length direction side by side and enclose a hollow rectangular frame body which is through from front to back with the box body bottom plate and the two box body side plates; a strip-shaped mounting seam is reserved between the two box body top plates, and the mounting seam is arranged along the length direction of the box body bottom plate and used for inserting the tops of the longitudinal ribs.

Further, the H-shaped steel comprises a first steel web plate, an upper flange plate and a lower flange plate, and the first steel web plate is perpendicular to the bottom plate of the box body; the upper flange plate and the lower flange plate are fixedly arranged on the upper edge and the lower edge of the first steel web plate along the length direction respectively, and the upper flange plate and the lower flange plate are kept perpendicular to the first steel web plate.

Furthermore, the two T-shaped steels are symmetrically arranged on two sides of a first steel web of the H-shaped steel and comprise a second steel web and side flange plates, wherein the side flange plates are vertically and fixedly arranged on a first edge of the second steel web along the length direction, the second edge of the second steel web along the length direction is vertically and fixedly arranged on one end face of the first steel web, and the second steel webs of the two T-shaped steels are kept on the same plane.

Further, the top flange plate is parallel to the box top plate of the steel box body, the bottom flange plate is parallel to the box bottom plate of the steel box body, the side flange plates are parallel to the box side plates of the steel box body, and two rows of studs are arranged on the end faces, facing the inner wall of the steel box body, of the top flange plate, the bottom flange plate and the side flange plates.

Furthermore, the number of the longitudinal ribs is 4, the longitudinal rib fixedly connected with the upper flange plate is an upper vertical longitudinal rib, the longitudinal rib fixedly connected with the lower flange plate is a lower vertical longitudinal rib, the longitudinal rib fixedly connected with the side flange plate is a horizontal longitudinal rib, the upper vertical longitudinal rib and the lower vertical longitudinal rib are coplanar with the first steel web plate of the H-shaped steel, and the upper edge of the upper vertical longitudinal rib is fixedly connected with the top plate of the box body after being inserted into the mounting seam; the horizontal longitudinal ribs are coplanar with the second steel web of the T-section steel.

Further, the upper edge of the longitudinal rib is flush with the outer surface of the top plate of the box body.

The invention relates to a method for manufacturing a box-type steel column with a cross stiffening steel structure, which is characterized by comprising the following steps of:

(1) the box-type steel column is decomposed into individuals:

dividing the box-type steel column into a cross stiff steel structure, longitudinal ribs and a steel box body;

(2) assembling the cross-shaped steel column according to the cross-shaped member assembling process:

arranging two box body top plates side by side, and reserving a mounting seam for inserting an upper vertical longitudinal rib in the length direction of the two box body top plates; vertically inserting the upper vertical longitudinal ribs into the mounting seams of the box body, and enabling the upper vertical longitudinal ribs to be flush with the outer surfaces of the top plates of the two box bodies;

assembling and welding the first steel web plate, the upper flange plate and the lower flange plate into H-shaped steel, assembling and welding the second steel web plate and the side flange plate into T-shaped steel, assembling and welding two T-shaped steels and one H-shaped steel into a cross-shaped steel column, and correcting after inspection;

(3) and (3) according to the welding space of the cavity, adopting a method of removing the assembly and the welding, and assembling each side plate of the box body according to an assembling process to complete the assembly of the steel column body:

firstly, respectively welding a longitudinal rib at the central shaft of an upper flange plate, a lower flange plate and two side flange plates of the cross-shaped steel column along the length direction, wherein the longitudinal rib is firstly arranged to avoid the influence on the welding of the longitudinal plates due to the existence of a stud;

secondly, two rows of studs are welded on the outer end faces, facing the inner wall of the steel box body, of the upper flange plate, the lower flange plate and the two side flange plates of the cross-shaped steel column, the two rows of studs are respectively arranged on two sides of the corresponding longitudinal ribs, and then the studs are assembled and welded into the cross-shaped stiff steel support;

thirdly, adopting a horizontal installation process to support the installed and welded cross-shaped stiffness steel on the bottom plate of the box body, positioning and welding the welding line between the longitudinal rib and the bottom plate of the box body;

(4) welding 4 main body welding seams of the steel box body according to the welding process requirement:

assembling and positioning the box body side plates on two sides, and welding the welding seams between the horizontal longitudinal ribs on two sides and the box body side plates;

secondly, assembling and positioning the top plate of the box body, and welding a welding seam between the vertical longitudinal rib and the top plate of the box body;

welding the steel box body edge angle welding seam;

(5) and (5) checking and correcting.

The invention has the beneficial effects that: the whole body is decomposed into individuals, an internal cross structure is firstly combined according to the structural characteristics, then the steel column body is assembled on each side plate of the box body according to the assembling process by adopting a method of removing the assembly and the welding according to the welding space of the cavity, and finally 4 main body welding seams of the box body are welded according to the welding process requirements. The manufacturing method is scientific and reasonable, successfully avoids the limitation and influence of limited cavity space on welding operation, simplifies the production process, meets the design requirement, greatly improves the production efficiency and ensures the manufacturing quality.

Drawings

FIG. 1 is an axial schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is a schematic view of a manufacturing process of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

With reference to the accompanying drawings: