CN112663971A - Steel structure roof pre-assembly sliding installation device and installation method - Google Patents
Steel structure roof pre-assembly sliding installation device and installation method Download PDFInfo
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- CN112663971A CN112663971A CN202110066357.XA CN202110066357A CN112663971A CN 112663971 A CN112663971 A CN 112663971A CN 202110066357 A CN202110066357 A CN 202110066357A CN 112663971 A CN112663971 A CN 112663971A
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Abstract
A pre-assembly sliding installation device and method for a steel structure roof. The invention comprises a track and a hoisting frame, wherein mutually parallel tracks are respectively paved on two transverse sides of a roof with a dome steel structure to be installed, and the tracks have a distance from the side surface of the roof; the hoisting frame arranged on the track slides along the track; the main body of the hoisting frame is a rectangular frame structure, the rectangles of the rectangular frame structures on the 2 rails are arranged in opposite directions, the lower end of the rectangular frame structure is fixedly provided with a bottom beam, and two sides of the bottom beam are fixedly provided with crane end beams which slide along the rails; a hoisting block is mounted on a cross beam at the upper end of the hoisting frame. The structure has the advantages of reasonable structural design, convenient construction operation, high installation precision, effective guarantee of the safety of the structure in the construction process and reduction of the construction cost; the occupied area is small, other work type operations cannot be hindered, the construction efficiency is effectively improved, and the construction quality is guaranteed.
Description
Technical Field
The invention relates to a steel structure roof mounting technology, in particular to a pre-assembly sliding mounting device and a pre-assembly sliding mounting method for a steel structure roof, and belongs to the technical field of building construction.
Background
With the rapid development of economy in China, the traditional large-scale public building project roof adopts a reinforced concrete single structure form, and the requirements of people can not be met in terms of both functional requirements and aesthetic properties, so that the production of the large-span dome steel structure roof is promoted. At present, the construction process of traditional crane hoisting and manual positioning installation is mostly adopted in the construction of the large-span steel structure roof, and the construction process has great limitation. When steel structure room lid volume is big, and the construction site is limited, when far away from the hoisting point distance, conventional crane can't satisfy the hoist and mount requirement, adopts large-scale hoisting machinery construction can occupy the site operation road for a long time, hinders other work kind constructions.
Disclosure of Invention
The invention provides a pre-assembly sliding installation device and method for a steel structure roof, aiming at overcoming the defects that in the construction of the existing large-span steel structure roof, when the steel structure roof is large in size and limited in construction site, the construction of large-scale hoisting machinery is adopted to occupy a site construction road for a long time, and the construction of other work types is hindered.
The technical scheme adopted by the invention for solving the technical problems is as follows: a steel structure roof pre-assembly sliding installation device comprises rails and a hoisting frame, wherein the rails which are parallel to each other are respectively paved on the two transverse sides of a roof with a dome steel structure to be installed, and the rails are spaced from the side surface of the roof; the hoisting frame arranged on the track slides along the track.
The main part of crane boom is rectangular frame structure, and the rectangle of rectangular frame structure on 2 tracks sets up in opposite directions, and rectangular frame structure's lower extreme fixed mounting has the floorbar, and the fixed mounting in floorbar both sides has the hoist end roof beam that slides along the track.
And a hoisting block is mounted on a cross beam at the upper end of the hoisting frame.
Furthermore, a triangular support frame is arranged between the rectangular frame structure and the bottom beam.
Further, the hoisting block is a chain block.
The length of the rail is greater than the longitudinal length of the roof, and the starting position of the hoisting frame is located outside the roof.
The mounting device further comprises a hoisting device fixedly connected with the steel beam to be mounted.
One surface of a connecting plate of the hoisting device is fixedly connected with the end surface of the steel beam, the other surface of the connecting plate is fixedly connected with one side of the hoisting plate, and the connecting plate is mutually perpendicular to the hoisting plate; the hoisting plate is provided with hoisting holes.
The mounting device further comprises a fixing device for fixing the steel beam to be mounted and the hoisting frame, and the fixing device comprises a horizontal fixing piece and an inclined pulling fixing piece.
One end of each horizontal fixing piece is fixedly connected with the side face of the connecting plate, the other end of each horizontal fixing piece is fixedly connected with the vertical frame of the rectangular frame structure, and the 2 horizontal fixing pieces are symmetrically arranged on two sides of the connecting plate.
One end of each oblique-pulling fixing piece is fixedly connected with the end part of the steel beam, the other end of each oblique-pulling fixing piece is fixedly connected with the lower end of the vertical frame of the rectangular frame structure, and the 2 oblique-pulling fixing pieces are symmetrically arranged.
The mounting method of the steel structure roof pre-assembled sliding mounting device comprises a steel beam to be mounted after assembling, wherein a hoisting frame is positioned at an initial position, and the steps are as follows:
A. and the hoisting devices are fixedly installed at the two ends of the steel beam to form a steel beam hoisting piece.
B. The hoisting devices at two ends of the steel beam hoisting piece are arranged in the rectangular frame structure of the hoisting frame, and the lifting hook of the hoisting block is connected with the hoisting plate of the hoisting device.
C. The hoisting block lifts the steel beam hoisting piece upwards to the mounting height, and the steel beam hoisting piece and the hoisting frame are fixed by the mounting and fixing device.
D. And 2 hoisting frames and steel beam hoisting pieces synchronously slide to designed installation positions along the rails, the steel beam hoisting pieces are placed on the roof, and the steel beams 10 are fixedly connected with the roof 3 after butt joint, adjustment and correction are carried out, so that the installation of one steel beam is completed.
E. Installing a temporary cable, detaching the fixing device and the hoisting device from the steel beam, and removing the lifting hook; the hoisting frame is slid along the rail to a starting position.
And D, repeating the steps A to E, and mounting the next steel beam until all the steel beams are mounted one by one.
The invention has the advantages of reasonable structural design, convenient construction operation, high installation precision, effective guarantee of the safety of the structure in the construction process and reduction of the construction cost; the occupied area is small, other work type operations cannot be hindered, the construction efficiency is effectively improved, and the construction quality is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the pre-assembled sliding installation device of steel structure roof of the present invention.
Figure 2 is a schematic view of the construction of the hoisting frame according to the invention.
Fig. 3 is a schematic view (side view) of the structure of the fixing device of the present invention after installation.
Fig. 4 is a partial structural view (front view) of one end of the fixing device of the present invention after installation.
FIG. 5 is a schematic view of a partial structure of one end of the steel beam hanger of the present invention.
In the figure: 1. the crane comprises a track, 2. a hoisting frame, 3. a roof, 4. a rectangular frame structure, 5. a bottom beam, 6. a crane end beam, 7. a hoisting block, 8. a triangular support frame, 9. a hoisting device, 10. a steel beam, 11. a diagonal tension fixing piece, 12. a horizontal fixing piece, 13. a fixing device, 14. a connecting plate, 15. a hoisting plate and 16. a steel beam hoisting piece.
Detailed Description
The invention is further illustrated by the following figures and examples. However, it should be understood by those skilled in the art that the present invention is not limited to the specific embodiments listed, and should be included within the scope of the present invention as long as the spirit of the present invention is met.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through an intermediary, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
See figure 1. The invention discloses a pre-assembly sliding installation device of a steel structure roof, which comprises rails 1 and a hoisting frame 2, wherein the rails 1 which are parallel to each other are respectively paved on the two transverse sides of a roof 3 of a dome steel structure (steel beam) to be installed, the rails 1 are spaced from the side surface of the roof 3, and the distance between the rails 1 and the adjacent side surface of the roof 4 is about 1 meter, so that the moving requirement of the hoisting frame 2 can be met; the hoisting frame 2 arranged on the rail 1 slides along the rail 1.
See figure 2. Crane boom 2 includes main part, floorbar 5, hoist end beam 6, hoist block 7, the main part is rectangular frame structure 4, and 2 rectangle of rectangular frame structure 4 on the track 1 sets up in opposite directions, and rectangular frame structure 4's lower extreme fixed mounting has floorbar 5, and 5 both sides fixed mounting of floorbar have along the hoist end beam 6 that track 1 slided, and hoist end beam 6 slides along track 1.
A hoisting block 7 is mounted on a cross beam at the upper end of the hoisting frame 2; preferably, the hoisting block 7 is a chain block.
Further, a triangular support frame 8 is arranged between the rectangular frame structure 4 and the bottom beam 5 to improve the stability of the rectangular frame structure 4.
Further, the length of said rails 1 is greater than the longitudinal length of the roof 3, and the starting position of the hoisting frame 2 is located outside the roof 3.
See fig. 5. The installation device also comprises a hoisting device 9 fixedly connected with a steel beam 10 to be installed.
The hoisting device 9 comprises a connecting plate 14 and a hoisting plate 15. One surface of the connecting plate 14 is fixedly connected with the end surface of the steel beam 10, the other surface of the connecting plate is fixedly connected with one side of the hoisting plate 15, and the connecting plate 14 is vertical to the hoisting plate 15; preferably, the connecting plate 14 and the hoisting plate 15 are fixedly connected by welding. And hoisting holes are formed in the hoisting plate 15.
Preferably, the end surfaces of the connecting plate 14 and the steel beam 10 are provided with corresponding through holes, and the connecting plate 14 is fixedly connected with the end plate of the steel beam 10 through bolts.
See fig. 3 and 4. The mounting device also comprises fixing means 13 for fixing the steel beam 10 to be mounted to the hoisting frame 2, which facilitate the synchronous sliding of the steel beam 10 after it has been fixed to the hoisting frame 2. The fixing device 13 comprises a horizontal fixing piece 12 and a diagonal-pulling fixing piece 11; preferably, the horizontal fixing member 12 and the diagonal-pulling fixing member 11 are made of channel steel.
One end of each horizontal fixing piece 12 is fixedly connected with the side face of the connecting plate 14, the other end of each horizontal fixing piece is fixedly connected with the vertical frame of the rectangular frame structure 4, and the 2 horizontal fixing pieces 12 are symmetrically arranged on the two sides of the connecting plate 14; preferably, the 2 horizontal fixing members 12 have the same height.
One end of the oblique-pulling fixing piece 11 is fixedly connected with the end part of the steel beam 10, the other end of the oblique-pulling fixing piece is fixedly connected with the lower end of the vertical frame of the rectangular frame structure 4, and the 2 oblique-pulling fixing pieces 11 are symmetrically arranged on two sides of the steel beam 10.
Preferably, the horizontal fixing member 12 and the diagonal-pulling fixing member 11 of the fixing device 13 are fixedly connected with the connecting plate 14, the steel beam 10 and the vertical frame of the rectangular frame structure 4 by a welding process.
The mounting method of the steel structure roof pre-assembling sliding mounting device comprises the steps of assembling a steel beam 10 to be mounted, positioning a hoisting frame 2 at an initial position, and the steps are as follows:
A. installation hoisting device
Hoisting devices 9 are fixedly installed at two ends of the steel beam 10 to form a steel beam hoisting piece 16;
wherein, the connecting plate 14 of the hoisting device 9 is fixedly connected with the end plate at the end part of the steel beam 10 through bolts.
B. The steel beam hoisting part 16 is connected with the hoisting block 7
The hoisting devices 9 at the two ends of the steel beam hoisting piece 16 are arranged in the rectangular frame structure 4 of the hoisting frame 2, and the lifting hook of the hoisting block 7 is connected with the hoisting plate 15 of the hoisting device 9.
C. Hoisting piece of hoisting steel beam and mounting and fixing device
The hoisting hoist 7 hoists the steel beam hoisting piece 16 upwards to the installation height, and the installation fixing device 13 fixes the steel beam hoisting piece 16 and the hoisting frame 2 to prevent the steel beam from tilting and swinging in the sliding operation process;
wherein:
the two sides of the connecting plate 14 are fixedly provided with horizontal fixing pieces 12, and the other ends of the horizontal fixing pieces 12 are fixedly connected with the vertical frames of the rectangular frame structure 4;
the 2 diagonal tension fixing pieces 11 are symmetrically arranged. One end of the diagonal tension fixing piece 11 is fixedly connected with the end part of the steel beam 10, and the other end is fixedly connected with the lower end of the vertical frame of the rectangular frame structure 4.
Preferably, the diagonal-pulling fixing piece 11 and the horizontal fixing piece 12 are fixedly connected by adopting a welding process
D. Mounting steel beam
2 hoisting frames 2 and steel beam hoisting pieces 16 synchronously slide to designed installation positions along the track 1, the steel beam hoisting pieces 16 are in place on the roof 3, and the steel beams 10 are fixedly connected with the roof 3 after butt joint, adjustment and correction are carried out, so that the installation of one steel beam is completed;
in the process of hoisting the steel beam, the theodolite is used for correcting along with the hoisting, and the deviation is corrected at any time.
E. Hoisting frame resetting
Installing a temporary cable, detaching the fixing device 13 and the hoisting device 9 from the steel beam 10, and removing the lifting hook; hoisting frame 2 is slid along rail 1 to the starting position.
And D, repeating the steps A to E, and mounting the next steel beam until all the steel beams are mounted one by one.
The invention adopts the function conversion technology of the sliding system combining the steel beam sliding and the supporting sliding, when the steel beam is lifted, the hoisting frame is used as the hoisting function to vertically lift the steel beam to the design height; when the crane boom moved to the design position along the roof structure assembly direction, the crane boom was converted into the supporting platform frame of girder steel this moment for the girder steel pinpoints.
According to the method, a hoisting frame is fixedly connected with a steel beam, the steel beam slides to a designed position, after positioning and installation are completed, a temporary connecting point of the hoisting frame and the steel beam is separated, the hoisting frame independently slides to an initial position, hoisting of the next steel beam is performed, and the steps are repeated so that all steel beam installation is completed one by one.
The pre-assembly sliding installation device and the installation method of the steel structure roof have the following characteristics:
1. the large-span steel structure beam can be directly positioned at the designed position, and the mounting precision is high;
2. the safety of the structure in the construction process is effectively guaranteed, the construction cost is reduced, and the construction progress is accelerated;
3. the roof structure can be fully utilized, the installation height of the structure is reduced, the construction difficulty is reduced, and the engineering safety quality is greatly improved;
4. the measure consumption of temporary support and an operation platform is reduced, and meanwhile, a large number of scaffolds and scaffold assembling and disassembling personnel are not needed, so that the equipment cost is effectively reduced, and the site treatment is saved;
5. the hoisting machinery of the steel structure component has small self-weight, low requirement on the load of the top plate and small influence on the constructed structure;
6. shorten steel construction installation time, reduce the high altitude and weigh down people's risk.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims.
Claims (7)
1. The utility model provides a steel construction roof pre-assembly installation device that slides, includes track, crane boom, characterized by:
the method comprises the following steps that mutually parallel tracks are respectively laid on the two transverse sides of a roof with a dome steel structure to be installed, and the tracks are spaced from the side face of the roof; the hoisting frame arranged on the track slides along the track;
the main body of the hoisting frame is a rectangular frame structure, the rectangles of the rectangular frame structures on the 2 rails are arranged in opposite directions, the lower end of the rectangular frame structure is fixedly provided with a bottom beam, and two sides of the bottom beam are fixedly provided with crane end beams which slide along the rails;
and a hoisting block is mounted on a cross beam at the upper end of the hoisting frame.
2. The pre-assembled sliding installation device for the steel structure roof as claimed in claim 1, which is characterized in that: a triangular support frame is arranged between the rectangular frame structure and the bottom beam.
3. The pre-assembled sliding installation device for the steel structure roof as claimed in claim 2, wherein: the hoisting block is a chain block.
4. The pre-assembling sliding installation device for steel structure roof as claimed in any one of claims 1 to 3, which is characterized in that: the length of the rail is greater than the longitudinal length of the roof, and the starting position of the hoisting frame is located outside the roof.
5. The pre-assembled sliding installation device for the steel structure roof as claimed in claim 4, wherein: the mounting device also comprises a hoisting device fixedly connected with the steel beam to be mounted;
one surface of a connecting plate of the hoisting device is fixedly connected with the end surface of the steel beam, the other surface of the connecting plate is fixedly connected with one side of the hoisting plate, and the connecting plate is mutually perpendicular to the hoisting plate; the hoisting plate is provided with hoisting holes.
6. The pre-assembled sliding installation device for the steel structure roof as claimed in claim 4, wherein: the mounting device also comprises a fixing device for fixing the steel beam to be mounted and the hoisting frame, wherein the fixing device comprises a horizontal fixing piece and a diagonal-pulling fixing piece;
one end of each horizontal fixing piece is fixedly connected with the side face of the connecting plate, the other end of each horizontal fixing piece is fixedly connected with the vertical frame of the rectangular frame structure, and the 2 horizontal fixing pieces are symmetrically arranged on the two sides of the connecting plate;
one end of each oblique-pulling fixing piece is fixedly connected with the end part of the steel beam, the other end of each oblique-pulling fixing piece is fixedly connected with the lower end of the vertical frame of the rectangular frame structure, and the 2 oblique-pulling fixing pieces are symmetrically arranged.
7. A steel structure roof pre-assembling sliding installation method applying the installation device of claim 1, which comprises assembled steel beams to be installed, wherein a hoisting frame is positioned at a starting position, and the method comprises the following steps:
A. the hoisting devices are fixedly installed at the two ends of the steel beam to form a steel beam hoisting piece;
B. hoisting devices at two ends of a steel beam hoisting piece are arranged in a rectangular frame structure of the hoisting frame, and a lifting hook of a hoisting block is connected with a hoisting plate of the hoisting device;
C. the hoisting block hoists the steel beam hoisting piece upwards to a mounting height, and the steel beam hoisting piece and the hoisting frame are fixed by the mounting and fixing device;
D. 2 hoisting frames and steel beam hoisting pieces synchronously slide to designed installation positions along the rails, the steel beam hoisting pieces are placed on the roof, and the steel beams 10 are fixedly connected with the roof 3 after butt joint, adjustment and correction are carried out, so that the installation of one steel beam is completed;
E. installing a temporary cable, detaching the fixing device and the hoisting device from the steel beam, and removing the lifting hook; the hoisting frame is slid along the rail to a starting position;
and D, repeating the steps A to E, and mounting the next steel beam until all the steel beams are mounted one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066357.XA CN112663971A (en) | 2021-01-19 | 2021-01-19 | Steel structure roof pre-assembly sliding installation device and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066357.XA CN112663971A (en) | 2021-01-19 | 2021-01-19 | Steel structure roof pre-assembly sliding installation device and installation method |
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| CN112663971A true CN112663971A (en) | 2021-04-16 |
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| CN202110066357.XA Pending CN112663971A (en) | 2021-01-19 | 2021-01-19 | Steel structure roof pre-assembly sliding installation device and installation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622675A (en) * | 2022-04-06 | 2022-06-14 | 上海江海钢结构安装工程有限公司 | Energy-saving environment-friendly assembled roof truss and assembling method thereof |
| CN115126241A (en) * | 2022-07-29 | 2022-09-30 | 中铁建工集团有限公司 | Steel construction room lid assembly device that slides |
| CN117513764A (en) * | 2024-01-08 | 2024-02-06 | 北京建工集团有限责任公司 | Sliding method with installation position lower than sliding rail |
-
2021
- 2021-01-19 CN CN202110066357.XA patent/CN112663971A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622675A (en) * | 2022-04-06 | 2022-06-14 | 上海江海钢结构安装工程有限公司 | Energy-saving environment-friendly assembled roof truss and assembling method thereof |
| CN114622675B (en) * | 2022-04-06 | 2023-11-07 | 上海江海钢结构安装工程有限公司 | Energy-saving and environment-friendly assembled roof truss and assembling method thereof |
| CN115126241A (en) * | 2022-07-29 | 2022-09-30 | 中铁建工集团有限公司 | Steel construction room lid assembly device that slides |
| CN115126241B (en) * | 2022-07-29 | 2023-11-28 | 中铁建工集团有限公司 | Steel construction roof slides and assembles device |
| CN117513764A (en) * | 2024-01-08 | 2024-02-06 | 北京建工集团有限责任公司 | Sliding method with installation position lower than sliding rail |
| CN117513764B (en) * | 2024-01-08 | 2024-04-12 | 北京建工集团有限责任公司 | Sliding method with installation position lower than sliding rail |
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