CN115680128A - High-altitude self-jacking installation device for overhanging steel structure and working method of high-altitude self-jacking installation device - Google Patents

Abstract

The invention relates to an overhead self-jacking installation device for an overhanging steel structure and a working method thereof. Compared with the prior art, the steel structure component is directly installed on the assembling platform at the low-altitude position, the assembling platform and the steel structure component are lifted to the corresponding height by the self-lifting tower frame, and the connecting and installation with the upper structure of the building main body can be completed.

Description

High-altitude self-jacking installation device for overhanging steel structure and working method of high-altitude self-jacking installation device

Technical Field

The invention relates to the technical field of high-altitude installation of building steel structures, in particular to a high-altitude self-jacking installation device for an overhanging steel structure and a working method of the high-altitude self-jacking installation device.

Background

Because of the building modeling needs, some structures of encorbelmenting can appear in some higher steel structure buildings, and the structure of encorbelmenting is.

The traditional installation method for the cantilever steel structure mostly adopts a mode of assembling overhead parts by using a crane, on one hand, a large-tonnage crane is required to be used, the large-tonnage crane is required to have a large construction site area, on the other hand, the difficulty of overhead assembling operation is large, the installation quality cannot be guaranteed, overhead safety accidents are also easily caused, and in addition, due to the fact that the crane is required to be used for a long time to combine a full scaffold to perform construction operation, the construction economic cost is high, and meanwhile, the construction efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the high-altitude self-jacking installation device for the cantilever steel structure and the working method thereof, so that a large-tonnage crane can be avoided, and the assembling quality and the construction efficiency are improved.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a steel construction's high altitude from jacking installation device encorbelments, includes from the jacking pylon, install in building subject's outer wall lateral part ground from the jacking pylon, top detachably from the jacking pylon is connected with the assembly platform, the steel construction of encorbelmenting has been placed on the assembly platform.

Further, a main steel structure is installed at the top of the building main body.

Further, the splicing platform is connected with the side part of the outer wall in a sliding mode.

Furthermore, one end of the splicing platform is provided with a guide roller.

Further, the wheel surface of the guide roller is abutted against the side part of the outer wall.

Further, the self-jacking tower comprises a plurality of tower segments that can be pushed in and out.

Further, the number of self-jacking towers is greater than or equal to 2.

Further, a distance exists between the self-jacking tower and the side part of the outer wall.

Further, the distance between the self-jacking tower and the side part of the outer wall is half of the length of the assembling platform.

Further, the length of the splicing platform is larger than that of the cantilever steel structure.

A high-altitude self-jacking installation method for an overhanging steel structure comprises the following steps:

s1, installing a self-jacking tower on the ground at the side part of an outer wall;

s2, erecting an assembling platform at the top of the self-jacking tower, and enabling one end of the assembling platform to be in sliding connection with the side part of the outer wall;

s3, mounting an overhanging steel structure on the splicing platform;

s4, jacking the self-jacking tower, sequentially pushing tower sections into the self-jacking tower to increase the height of the tower until the overhanging steel structure on the assembling platform is jacked to a set height, and connecting the overhanging steel structure with the main steel structure;

and S5, descending the self-jacking tower, dismantling tower sections in the tower until the assembling platform descends to the original height, dismantling the assembling platform from the top of the self-jacking tower, and finishing the installation process.

Compared with the prior art, the self-jacking tower is arranged, the detachable assembly platform is arranged at the top of the self-jacking tower, so that the steel structure component can be directly mounted on the assembly platform at a low-altitude position, and the assembly platform together with the steel structure component is jacked to a corresponding height by using the self-jacking tower, so that the assembly platform can be connected with the upper structure of the building main body to be mounted.

One end of the assembling platform is connected with the side part of the outer wall in a sliding mode, so that the assembling platform can be guided along the outer wall in the ascending or descending moving process, the assembling platform can be ensured to ascend or descend stably and rapidly, and the construction efficiency and the safety are further improved.

Drawings

FIG. 1 is a schematic structural diagram of an overhead self-jacking installation device in an embodiment;

FIG. 2 is a schematic view showing the effect of the embodiment after installation;

the symbols in the figure illustrate: 1. building subject, 2, main steel construction, 3, the steel construction of encorbelmenting, 4, self-jacking pylon, 5, assembly platform, 6, guide roller, 7, outer wall, 8, pylon segment.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

Examples

As shown in fig. 1, a steel construction's high altitude from jacking installation device encorbelments, include from jacking pylon 4, install in 7 lateral parts ground of outer wall of building subject 1 from jacking pylon 4, be connected with assembly platform 5 from jacking pylon 4's top detachably, place steel construction 3 encorbelments on assembly platform 5.

Wherein, assembly platform 5 and 7 lateral parts sliding connection of outer wall, in this embodiment, set up guide roller 6 in assembly platform 5's one end, guide roller 6's wheel face and 7 lateral parts of outer wall are inconsistent for can follow outer wall 7 when assembly platform 5 goes up and down and lead.

In addition, the self-jacking tower 4 comprises a plurality of tower sections 8 which can be pushed in and taken out, and the number of the self-jacking towers 4 is more than or equal to 2 according to actual use requirements;

there is the interval between self-jacking pylon 4 and the outer wall 7 lateral part, and in this embodiment, the interval between self-jacking pylon 4 and the outer wall 7 lateral part is half of assembly platform 5 length, and the central point that assembly platform 5 length direction put and the top central point that self-jacking pylon 4 put the coincidence promptly.

The length of the splicing platform 5 is larger than that of the cantilever steel structure 3, and the cantilever steel structure 3 can be stably placed on the splicing platform 5.

In practice, the building body 1, the main steel structure 2, and the overhanging steel structure 3 are components of a building, and generally, the building body 1 is tall, and the main steel structure 2 and the overhanging steel structure 3 are a roof or a floor of the building. When the steel construction of encorbelmenting 3 is installed more difficultly, can adopt this technical scheme to realize high-efficient safe construction operation.

The working method of the high-altitude self-jacking device for the cantilever steel structure comprises the following steps:

s1, installing a self-jacking tower frame 4 on the ground at the side part of an outer wall 7;

s2, erecting an assembling platform 5 on the top of the self-jacking tower frame 4, and enabling one end of the assembling platform 5 to be in sliding connection with the side part of the outer wall 7;

s3, mounting an overhanging steel structure 3 on the splicing platform 5;

s4, jacking the self-jacking tower 4, sequentially pushing the tower sections 8 into the self-jacking tower to increase the height of the tower until the overhanging steel structure 3 on the assembling platform 5 is jacked to a set height, and connecting the overhanging steel structure 3 with the main steel structure 2 (the final installation effect is shown in FIG. 2);

and S5, descending the self-jacking tower 4, dismantling the tower section 8 in the tower until the assembling platform 5 descends to the original height, dismantling the assembling platform 5 from the top of the self-jacking tower 4, and finishing the installation process.

During actual installation, at first can install main part steel construction 2 at the top of main building body 1, subaerial as required installation two or more from jacking pylon 4, set up removable assembly platform 5 at 4 tops of self-jacking pylon. One end of the splicing platform 5 close to the building outer wall 7 is provided with a guide roller 6, so that the splicing platform 5 can be guided along the building outer wall 7 when being lifted.

The installation steel construction 3 of encorbelmenting on assembly platform 5, treat that the whole back that finishes of installing of steel construction 3 of encorbelmenting carries out the jacking from jacking pylon 4, along with the propulsion of jacking, impels 4 self-jacking pylons with pylon segment 8, realizes the increase of pylon height to steel construction 3 jacking to the assigned position that will encorbelment is connected with main part steel construction 2.

And finally, the self-jacking tower 4 automatically descends, the tower sections 8 are dismantled, the assembling platform 5 is descended to a low altitude position to be dismantled, and the installation of the cantilever steel structure 3 and the dismantling process of the self-jacking tower 4 and the assembling platform 5 can be realized.

In summary, the technical scheme installs the steel structural member on the low-altitude assembly platform, utilizes the self-jacking tower to jack the platform to the predetermined position together with the steel structural member on the assembly platform, and then completes the splicing with the main steel structure on the upper part, so that the installation of the cantilever steel structure can be realized. Therefore, the large-tonnage crane is avoided, a full-hall scaffold is avoided, and the economy is good; high-altitude operation is avoided, and the safety is good; and the low-altitude splicing is realized, and the splicing quality is ensured.

Claims (10)

1. The utility model provides a steel construction's high altitude from jacking installation device encorbelments, a serial communication port, include from jacking pylon (4), install in outer wall (7) lateral part ground of building subject (1) from jacking pylon (4), the top detachably from jacking pylon (4) is connected with assembly platform (5), assembly platform (5) are gone up and have been placed steel construction (3) encorbelments.

2. The high-altitude self-jacking installation device for the cantilever steel structure as claimed in claim 1, wherein the main steel structure (2) is installed at the top of the building main body (1).

3. The high-altitude self-jacking installation device with the cantilever steel structure as claimed in claim 1, wherein the splicing platform (5) is slidably connected with the side part of the outer wall (7).

4. The high-altitude self-jacking installation device with the cantilever steel structure as claimed in claim 3, wherein one end of the splicing platform (5) is provided with a guide roller (6), and the wheel surface of the guide roller (6) is abutted against the side part of the outer wall (7).

5. The high altitude self-jacking installation device of an overhanging steel structure according to any one of claims 1 to 4, wherein the self-jacking tower (4) comprises a plurality of tower sections (8) which can be pushed in and taken out.

6. The high-altitude self-jacking installation device for the cantilever steel structure as claimed in any one of claims 1 to 4, wherein the number of the self-jacking towers (4) is greater than or equal to 2.

7. The high-altitude self-jacking installation device for the cantilever steel structure as claimed in any one of claims 1 to 4, wherein a space exists between the self-jacking tower (4) and the side part of the outer wall (7).

8. The high-altitude self-jacking installation device of an overhanging steel structure, as claimed in claim 7, wherein the distance between the self-jacking tower (4) and the side of the outer wall (7) is half the length of the splicing platform (5).

9. The high-altitude self-jacking installation device for the cantilever steel structure as claimed in any one of claims 1 to 4, wherein the length of the splicing platform (5) is greater than that of the cantilever steel structure (3).

10. The high-altitude self-jacking installation method of the cantilever steel structure is characterized by comprising the following steps of:

s1, installing a self-jacking tower on the ground at the side part of the outer wall;

s2, erecting an assembling platform at the top of the self-jacking tower, and enabling one end of the assembling platform to be in sliding connection with the side part of the outer wall;

s3, mounting an overhanging steel structure on the assembling platform;

s4, jacking the self-jacking tower, sequentially pushing tower sections into the self-jacking tower to increase the height of the tower until the overhanging steel structure on the assembling platform is jacked to a set height, and connecting the overhanging steel structure with the main steel structure;

and S5, descending the self-jacking tower, dismantling tower sections in the tower until the assembling platform descends to the original height, dismantling the assembling platform from the top of the self-jacking tower, and finishing the installation process.

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