阅读说明：本技术 一种y型铸钢柱及其安装工艺 (Y-shaped cast steel column and mounting process thereof ) 是由 潘蓉 于 2021-09-24 设计创作，主要内容包括：本申请涉及一种Y型铸钢柱及其安装工艺,其包括钢管柱和Y型柱,钢管柱为空心管状结构；Y型柱与钢管柱的顶端固定连接,本申请具有便于施工使用的效果。(The application relates to a Y-shaped cast steel column and an installation process thereof, wherein the Y-shaped cast steel column comprises a steel pipe column and a Y-shaped column, and the steel pipe column is of a hollow tubular structure; y type post and steel-pipe column's top fixed connection, this application has the effect of being convenient for construction and use.)

1. A Y type cast steel post which characterized in that: the steel pipe column comprises a steel pipe column (1) and a Y-shaped column (2), wherein the steel pipe column (1) is of a hollow tubular structure; the Y-shaped column (2) is fixedly connected with the top end of the steel pipe column (1).

2. The Y-shaped cast steel column as claimed in claim 1, wherein: the Y-shaped column (2) comprises a three-way pipe (21) and a branch fork pipe (22); the three-way pipe (21) is fixedly connected with the upper end surface of the steel pipe column (1); the branch pipe (22) is fixedly connected with the rest two end surfaces of the three-way pipe (21).

3. The mounting process of the Y-shaped cast steel column is characterized by comprising the following steps: the method comprises the following steps:

s1, construction preparation;

s2, mounting anchor bolts;

s3, pouring foundation concrete;

s4, hoisting the steel pipe column (1) in an approach;

s5, pouring concrete inside the steel pipe column (1);

s6, assembling and hoisting the Y-shaped column (2);

s7, welding the Y-shaped column (2) with the steel pipe column (1);

and S8, checking and accepting the main structure and performing fireproof and anticorrosion treatment.

4. The process for installing the Y-shaped cast steel column as claimed in claim 3, wherein the process comprises the following steps: in the step S6, when the Y-shaped columns (2) are spliced, firstly, an assembling platform is erected, and then the branch pipes (22) and the three-way pipes (21) are sequentially assembled; and the hoisting branch pipe (22) and the three-way pipe (21) are welded to complete the assembly of the Y-shaped column (2).

5. The process for installing the Y-shaped cast steel column as claimed in claim 3, wherein the process comprises the following steps: in the step S4, when the steel pipe column (1) enters a field for hoisting, firstly, a leveling nut and a gasket are installed, the steel pipe column (1) is hoisted and rotated, and when the steel pipe column (1) is positioned 200mm above the steel pipe column in position, the machine is stopped stably and slowly falls; adjusting the verticality of the steel pipe column (1) and locking the foundation nuts.

6. The process for installing the Y-shaped cast steel column as claimed in claim 3, wherein the process comprises the following steps: in the step S7, when the Y-shaped column (2) is welded with the steel pipe column (1), clamping plates are welded on the circumferential outer walls of the steel pipe column (1) and the Y-shaped column (2), and a hydraulic cylinder is arranged between the clamping plates opposite to the steel pipe column (1) and the Y-shaped column (2); cleaning the end faces of the Y-shaped column (2) and the steel pipe column (1); and the end faces of the Y-shaped column (2) and the steel pipe column (1) are tightly propped against each other to be welded.

7. The process for installing the Y-shaped cast steel column as claimed in claim 3, wherein the process comprises the following steps: and (3) jacking the concrete of the Y-shaped column (2), wherein the grouting pipe is communicated with the cavity of the Y-shaped column (2), the other end of the grouting pipe is communicated with the concrete pump, and the grouting pipe is communicated with a concrete stop valve.

8. The process for installing the Y-shaped cast steel column as claimed in claim 3, wherein the process comprises the following steps: in the step S6, when the Y-shaped column (2) is assembled, the branch pipes (22) and the three-way pipe (21) are preheated by an induction heating process.

Technical Field

The application relates to the technical field of cast steel columns, in particular to a Y-shaped cast steel column and an installation process thereof.

Background

The cast steel is steel specially used for manufacturing steel castings, when the strength requirement of the castings is high, the cast iron cannot meet the hardness requirement, and cast steel is adopted at the moment; the cast steel column is a support column made of cast steel; cast steel columns are widely applied to subway construction and used for supporting upper buildings, but cast steel columns are not limited to subway construction.

The existing cast steel column is a columnar structure with the same size of the upper end surface and the lower end surface, and the cast steel column is ensured to be in a vertical state when in use; and simultaneously, the bottom end and the top end of the cast steel column are respectively fixed, and the use of the cast steel column is completed.

In view of the above-mentioned related art, the inventor believes that when the supporting area of the top end of the cast steel column needs to be ensured, the cross-sectional area of the corresponding cast steel column becomes large, which in turn leads to a reduction in space utilization; when the space utilization rate is improved, the cast steel column cannot achieve the best supporting effect; has the defect of inconvenient construction and use.

Disclosure of Invention

In order to solve the defect that construction and use are inconvenient, the application provides a Y-shaped cast steel column and an installation process thereof.

In a first aspect, the application provides a Y-shaped cast steel column, which adopts the following technical scheme: the steel pipe column is of a hollow tubular structure; the Y-shaped column is fixedly connected with the top end of the steel pipe column.

Through adopting above-mentioned technical scheme, carry out fixed connection with steel-pipe column and Y type post during the use, be connected the steel-pipe column with ground after the connection is accomplished, be connected Y type post with treating the support, the setting up of Y type post has increased and has treated the area of contact of support, has improved the stability of support, and the setting up of steel-pipe column has improved space utilization simultaneously, and then has reached the effect of being convenient for the construction use.

Preferably, the Y-shaped column comprises a three-way pipe and a branch fork pipe; the three-way pipe is fixedly connected with the upper end face of the steel pipe column; the branch pipe is fixedly connected with the rest two end faces of the three-way pipe.

Through adopting above-mentioned technical scheme, Y type post includes three-way pipe and branch fork pipe, and the three-way pipe separates with a branch fork pipe in the transportation, and the people of being convenient for transport Y type post only need weld it when later stage uses, has reached the effect of the staff transportation of being convenient for use.

In a second aspect, the application provides a process for installing a Y-shaped cast steel column, which adopts the following technical scheme:

a mounting process of a Y-shaped cast steel column comprises the following steps:

s1, construction preparation;

s2, mounting anchor bolts;

s3, pouring foundation concrete;

s4, hoisting the steel pipe column in an approach;

s5, pouring concrete inside the steel pipe column;

s6, assembling and hoisting the Y-shaped column;

s7, welding the Y-shaped column with the steel pipe column;

and S8, checking and accepting the main structure and performing fireproof and anticorrosion treatment.

Through adopting above-mentioned technical scheme, assemble Y type post during the construction, install the steel-pipe column alone, weld Y type post and steel-pipe column again, be convenient for when having reached the construction of being convenient for to the production and processing of Y type post and steel-pipe column.

Preferably, in step S6, when the Y-shaped columns are spliced, the splicing platform is firstly set up, and then the branch pipes and the three-way pipes are sequentially spliced; and welding the hoisting branch pipe and the three-way pipe to complete the assembly of the Y-shaped column.

Through adopting above-mentioned technical scheme, set up the assembly platform can be convenient for only need with the fork pipe with the three-way pipe hoist and mount to correspond can, stay tube and three-way pipe relative position can not change this moment, and then the staff of being convenient for welds both, and can not take place relative position change.

Preferably, in step S4, when the steel pipe column enters the field and is hoisted, the leveling nut and the gasket are installed at first, the steel pipe column is hoisted and rotated, and when the steel pipe column is located 200mm above the steel pipe column in position, the machine is stopped stably and the steel pipe column falls slowly; and adjusting the verticality of the steel pipe column and locking the foundation nut.

By adopting the technical scheme, the arrangement of the leveling nut and the leveling gasket can facilitate the workers to adjust the verticality of the steel pipe column, so that the bearing capacity of the steel pipe column in the later use process is ensured, the steel pipe column cannot incline in the bearing state, and the purpose of improving the use stability of the Y-shaped cast steel column is achieved.

Preferably, in step S7, when the Y-shaped column is welded to the steel pipe column, the circumferential outer walls of the steel pipe column and the Y-shaped column are welded with clamping plates, and a hydraulic cylinder is arranged between the clamping plates facing the steel pipe column and the Y-shaped column; cleaning the end faces of the Y-shaped column and the steel pipe column; and the end faces of the Y-shaped column and the steel pipe column are guaranteed to be tightly propped to weld the Y-shaped column and the steel pipe column.

Through adopting above-mentioned technical scheme, the staff of being convenient for of setting up of splint and pneumatic cylinder carries out the jacking with Y type post, and then the staff of being convenient for cleans the terminal surface of Y type post and steel-pipe column, and then has improved the welding stability of Y type post and steel-pipe column, has improved the stability in use of Y type cast steel post.

Preferably, the concrete of the Y-shaped column is jacked, the grouting pipe is communicated with a cavity of the Y-shaped column, the remaining end of the grouting pipe is communicated with a concrete pump, and the grouting pipe is communicated with a concrete stop valve.

Through adopting above-mentioned technical scheme, concreting in the Y type post is favorable to improving the stability and the anti deformability of Y type post, has guaranteed the connection stability between branch fork pipe and the three-way pipe simultaneously.

Preferably, in step S6, the Y-shaped columns are assembled by preheating the branch pipes and the tee pipes by an induction heating process.

Through adopting above-mentioned technical scheme, preheat and to realize reducing even prevent that Y type post welding from assembling after producing cold crack, induction heating has the advantage that heating temperature is even and the energy consumption is less simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

the arrangement of the Y-shaped column and the steel pipe column ensures the support stability of the Y-shaped cast steel column and also ensures the space utilization rate so as to achieve the effect of ensuring convenient construction and use;

2. when the Y-shaped column is welded and assembled, the arrangement of the assembling platform can prevent the relative displacement between the branch pipe and the three-way pipe, so that the welding stability and convenience between the branch pipe and the three-way pipe are improved;

3. the setting of splint and pneumatic cylinder can realize jacking Y type post, and then the staff of being convenient for separates the terminal surface of Y type post and steel-pipe column, has reached the effect that improves Y type cast steel post stability in use.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

In the figure, 1, a steel pipe column; 2. a Y-shaped column; 21. a three-way pipe; 22. a branch pipe.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a Y-shaped cast steel column.

Referring to fig. 1, the Y-shaped cast steel column includes a steel pipe column 1 and a Y-shaped column 2, the steel pipe column 1 is a hollow tubular structure, and the Y-shaped column 2 is located at the top end of the steel pipe column 1; the Y-shaped column 2 comprises a three-way pipe 21 and a branch fork pipe 22, the three-way pipe 21 is fixedly connected with the upper end face of the steel pipe column 1, and the branch fork pipe 22 is fixedly connected with the remaining two end faces of the three-way pipe 21; in this embodiment, a welding manner is adopted, and other manners can be adopted to connect the branch fork pipe 22 and the three-way pipe 21; the branch pipes 22 are symmetrical with respect to the longitudinal center line of the steel pipe column 1.

The implementation principle of the Y-shaped cast steel column in the embodiment of the application is as follows: the three-way pipe 21 and the branch fork pipe 22 are welded to form the Y-shaped column 2 after the welding, the Y-shaped column 2 is welded with the steel pipe column 1, the manufacturing of the Y-shaped cast steel column is further completed, the space utilization rate is guaranteed due to the arrangement of the steel pipe column 1 in the using process, and the supporting stability of a to-be-supported object is guaranteed due to the arrangement of the Y-shaped column 2.

The embodiment of the application also discloses an installation process of the Y-shaped supporting column.

The method comprises the following steps:

s1, construction preparation;

and arranging temporary facilities according to the construction drawing, leveling the field and well laying out.

S2, mounting anchor bolts;

finding a preset position on the basis of lofting, and excavating a foundation pit; assembling the anchor bolt steel frame and the anchor bolt, and determining the initial position of the anchor bolt according to the contour line; binding a reinforcement cage and fixing a foundation anchor bolt and the reinforcement cage; and the PVC pipe is sleeved on the screw thread part so as to ensure that the screw thread is prevented from being damaged.

S3, pouring foundation concrete;

after the foundation bolts and the reinforcement cage are fixed, concrete is poured in the foundation pit; and (4) after the concrete is solidified and passes the strength detection, carrying out the entering hoisting of the steel pipe column 1.

S4, hoisting the steel pipe column 1 in an approach; when the steel pipe column 1 enters a field and is hoisted, firstly, a leveling nut and a gasket are installed at a foundation anchor bolt, the steel pipe column 1 is hoisted and rotated, and when the steel pipe column 1 is positioned 200mm above the in-place position, the machine is stopped stably and slowly falls; avoiding colliding with the screw thread of the anchor bolt in the falling process, adjusting the verticality of the steel pipe column 1 to take down the PVC pipe and locking the anchor nut.

S5, pouring concrete inside the steel pipe column 1;

s6, assembling and hoisting the Y-shaped column 2; when the Y-shaped column 2 is spliced, firstly, an assembling platform is erected, and then the branch pipe 22 and the three-way pipe 21 are sequentially assembled; the hoisting branch pipe 22 and the three-way pipe 21 are welded to complete the assembly of the Y-shaped column 2; when the Y-shaped column 2 is assembled, the branch fork pipe 22 and the three-way pipe 21 are preheated by an induction heating process;

hardening the assembly site, and paving the assembly site with steel plates of more than 20mm to prevent the foundation from settling; the assembly platform is welded by H200X 8X 12 section steel, the lower section supporting positions of the Y-shaped columns 2 are provided with a plurality of supporting legs side by side, and the width of the platform is suitable for meeting the use requirement of the Y-shaped columns 2. The landing legs are connected into a whole by profile steel, and the landing legs are fixed at the tangent parts of the steel column and the platform beam. And the two sides of the welding opening are not provided with beams, supporting legs and other profile steels which are difficult to weld, and the minimum welding station space is ensured. Because the diameters of the pipe orifices are different, the upper part is supported by an oblique iron and a triangular plate to adjust the height difference.

S7, welding the Y-shaped column 2 with the steel pipe column 1; when the Y-shaped column 2 and the steel pipe column 1 are welded, a windproof shed is erected, clamping plates are welded on the circumferential outer walls of the steel pipe column 1 and the Y-shaped column 2, and a hydraulic cylinder is arranged between the clamping plates opposite to the steel pipe column 1 and the Y-shaped column 2; cleaning the end faces of the Y-shaped column 2 and the steel pipe column 1; and the end faces of the Y-shaped column 2 and the steel pipe column 1 are tightly propped to be welded; the welding is divided into two parts, one part is hoisting backing welding, the two times of hoisting backing welding are completed, and the second part is formal welding.

And (3) jacking the concrete of the Y-shaped column 2, wherein the grouting pipe is communicated with the cavity of the Y-shaped column 2, the remaining end of the grouting pipe is communicated with the concrete pump, and the grouting pipe is communicated with a concrete stop valve. Concrete is poured into the Y-shaped column 2 from the bottom end of the Y-shaped column 2, so that the cavity of the Y-shaped column 2 can be completely filled with the concrete.

And S8, checking and accepting the main structure and performing fireproof and anticorrosion treatment.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.