CN212671232U - Support system for load transfer of steel structure roof truss - Google Patents
Support system for load transfer of steel structure roof truss Download PDFInfo
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- CN212671232U CN212671232U CN202021165923.XU CN202021165923U CN212671232U CN 212671232 U CN212671232 U CN 212671232U CN 202021165923 U CN202021165923 U CN 202021165923U CN 212671232 U CN212671232 U CN 212671232U
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Abstract
A supporting system for load transfer of a steel structure roof truss is arranged at the bottom of the steel structure roof truss; the steel structure roof truss is in an inverted pyramid shape; the supporting system comprises an outer supporting frame, an inner supporting frame, a horizontal connecting frame and a corner supporting frame; the outer support frame comprises a bottom rigid beam frame, a support jig frame and a top connecting beam frame; the supporting jig frames are arranged at the top of the bottom rigid beam frame at intervals in the circumferential direction, and the upper ends of the supporting jig frames are supported at the upper parts of four inclined side surfaces of the steel structure roof truss; the inner support is erected on the inner side of the outer support frame and comprises a frame body and support columns; the middle of the top surface of the supporting column is connected with a vertical supporting rod, and the upper end of the supporting rod is supported at the bottom of the inclined side surface of the steel structure roof truss; the horizontal connecting frame is connected between the supporting column and the corresponding supporting jig frame; the four external corners of the inner supporting frame are connected with corner connecting rods. The utility model provides a traditional support system measure expense high, the big and unreasonable technical problem of downward transmission load effort of unsafe coefficient.
Description
Technical Field
The utility model belongs to the technical field of the building engineering construction, in particular to a support system for steel construction roof truss load shifts.
Background
With the rapid development of high-rise buildings and super high-rise buildings, the height of newly built super high-rise buildings in large cities in China generally reaches more than 200m, the top of each high-rise building directly influences the design effect of the whole high-rise building, particularly for the super high-rise buildings with the height of more than 200m, the good top design plays a role in drawing dragon eyes on the whole image of the building and can stand out in a building group of high-rise buildings. At present, the top structure of a super high-rise building is mostly shaped by a steel structure roof, and a large container adopts a structural form with complex technologies such as overhanging, hanging and inclining; at the same time, the unique styling design presents an unprecedented set of challenges for the construction of steel structural roof structures.
The area of a building site of a certain project is 3.517 ten thousand square meters, the total building area is about 35.6 ten thousand square meters, the building structure type is a steel reinforced concrete frame core tube structure, the tower A is 57 layers above the ground, the underground is 4 layers, and the building height is 266 m; 26 floors on the ground of the tower B, and the building height is 140 m; c, 31 floors above the ground and 150m in building height. The steel structure roof is arranged at 235.05-265.7 m of the tower A, the roof is in an inverted pyramid shape, the floor plates are steel bar truss composite floor plates and are 4 layers, and the total weight of the steel structure roof is 1600 tons. At present, the installation step of the high-altitude steel structure generally directly adopts an installation scheme from bottom to top, and due to the construction characteristics of the steel structure roof of the project, temporary load support must be erected in the construction process.
At present, the temporary support of the steel structure load is widely applied to the fields of installation of large-span bridge steel structures, large-scale stadiums, theaters, airports, house construction projects and the like. The general direct selection of renting jig frame standard knot supports, and because the steel structure roof structure in the project is inverted pyramid-shaped, the steel structure roof structure inclines and overhangs from a tower core tube to the periphery, and four corners of the inverted pyramid overhang and the inclination are truss structures, the direct selection of the jig frame standard knot causes a large amount of measure expense, and causes narrow high-altitude hoisting and welding space, the method is unsafe, and downward load transmission acting force is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a support system for steel construction roof truss load shifts, solve traditional support system measure expense height, dangerous coefficient big and downward transmission load effort unreasonable technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A supporting system for load transfer of a steel structure roof truss is arranged at the bottom of the steel structure roof truss; the steel structure roof truss is in an inverted pyramid shape; the supporting system comprises an outer supporting frame, an inner supporting frame, a horizontal connecting frame and a corner supporting frame; the outer support frame comprises a bottom rigid beam frame, a support jig frame and a top connecting beam frame; the bottom rigid beam frame is rectangular, the size of the bottom rigid beam frame is larger than that of the bottom surface of the steel structure roof truss, and the size of the bottom rigid beam frame is smaller than that of the top surface of the steel structure roof truss; the supporting jig frames are arranged at the top of the bottom rigid beam frame at intervals in the circumferential direction, and the upper ends of the supporting jig frames are supported at the upper parts of the four inclined side surfaces of the steel structure roof truss and the positions close to the top edges of the inclined side surfaces; the top connecting beam frame is rectangular and correspondingly connects a group of supporting tire frames; the inner support frame is arranged on the inner side of the outer support frame and comprises a frame body and support columns; the horizontal section of the frame body is rectangular, the size of the horizontal section of the frame body is larger than that of the bottom surface of the steel structure roof truss, and the height of the frame body is smaller than that of the support jig; the four support columns are respectively connected to the outer sides of the four side surfaces of the frame body and the middle positions of the corresponding side surfaces, and the tops of the support columns are flush with the top of the frame body; the middle of the top surface of each supporting column is connected with a vertical supporting rod, and the upper end of each supporting rod is supported at the bottom of the inclined side surface of the steel structure roof truss; the horizontal connecting frame is connected between the supporting column and the corresponding supporting jig frame; the four external corners of the inner support frame are respectively connected with corner connecting rods; the top of the corner connecting rod is flush with the top of the supporting rod, and a first load distribution beam is arranged at the bottom of the corner connecting rod; platform plates are respectively arranged at the four corner positions of the outer support frame; the outer side of the platform plate is connected with the outer support frame, and the inner side of the platform plate is connected with the corner connecting rod; the corner support frame is erected on the platform plate, and the top of the corner support frame is connected to the bottom of the inclined side face of the steel structure roof truss in a supporting mode and is located at the corner position corresponding to the inclined side face.
Preferably, the bottom rigid beam frame comprises an outer rectangular beam frame, an inner rectangular beam frame and a horizontal connecting rod; the inner rectangular beam frame is arranged on the inner side of the outer rectangular beam frame, and the distance between the inner rectangular beam frame and the outer rectangular beam frame is 800 mm-1200 mm; the horizontal connecting rod is connected between the outer rectangular beam frame and the inner rectangular beam frame.
Preferably, the supporting jig frame is a lattice type supporting jig frame and comprises a vertical rod and a horizontal rod; four upright posts are arranged in a rectangular shape; the horizontal rods are at least three layers and are arranged at intervals along the vertical direction; each layer of horizontal rods is rectangular and is connected among the four upright rods; the top of the supporting jig frame is provided with a supporting and connecting plate; the supporting connection plate is supported and connected to the bottom of the inclined side face of the steel structure roof truss.
Preferably, the horizontal connecting frame is an isosceles triangle, the vertex angle of the triangle is connected with the corresponding supporting jig frame, and the bottom edge of the triangle is connected with the supporting column.
Preferably, the bottom of the supporting column is provided with a second load distribution beam; and the two second load distribution beams are respectively arranged along the inner side and the outer side of the bottom surface of the support column.
Preferably, corner support rods are arranged at the positions of the four corners on the inner side of the top connecting beam frame.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model supports the steel structure roof truss through the outer support frame, the inner support frame, the horizontal connecting frame and the corner support frame, and the bottom rigid beam frame is arranged at the bottom of the outer support frame, and the first load distribution beam is arranged at the bottom of the inner support frame; the load transfer steel beam load is transferred to the ground through the bottom rigid beam frame and the first load distribution beam, the vertical load acting force of the steel structure roof truss in the construction process is effectively transmitted, and the safe construction of the steel structure roof truss is guaranteed.
2. The utility model discloses can set up operation platform at the top of support system and bight support frame, at the side welding steel cat ladder of bight support frame, guarantee constructor operation safety.
3. The utility model discloses a support fishplate bar and bracing piece provide the effect strong point for steel construction roof uninstallation, and the vertical tangent plane of holding in the palm the fishplate bar is the U-shaped or is the horizontal tangent plane that holds in the palm the fishplate bar and be the rectangle, and the jack of being convenient for install can adopt the jack to uninstall steel construction roof truss.
4. The utility model discloses in support steel structure roof truss through adopting outer support frame, inner support frame, horizontal connection frame and bight support frame, compare traditional support system and reduced the support bed-jig, reduced the measure expense.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the support system of the present invention.
Fig. 2 is a schematic plan view of the bottom rigid frame of the present invention.
Fig. 3 is a schematic structural diagram of the middle support jig of the present invention.
Fig. 4 is a schematic plan view of the inner support frame of the present invention.
Fig. 5 is a schematic structural view of the supporting system of the present invention supported at the bottom of the steel roof truss.
Reference numerals: 1-steel structure roof truss, 2-horizontal connecting frame, 3-corner supporting frame, 4-bottom rigid beam frame, 4.1-outer rectangular beam frame, 4.2-inner rectangular beam frame, 4.3-horizontal connecting rod, 5-supporting jig frame, 5.1-vertical rod, 5.2-horizontal rod, 6-top connecting beam frame, 7-frame body, 8-supporting column, 9-supporting rod, 10-corner connecting rod, 11-first load distribution beam, 12-platform plate, 13-supporting plate and 14-second load distribution beam.
Detailed Description
As shown in fig. 1-5, the supporting system for load transfer of the steel structure roof truss is arranged at the bottom of the steel structure roof truss 1; the steel structure roof truss 1 is in an inverted pyramid shape; the method is characterized in that: the supporting system comprises an outer supporting frame, an inner supporting frame, a horizontal connecting frame 2 and a corner supporting frame 3; the outer support frame comprises a bottom steel beam frame 4, a support jig frame 5 and a top connecting beam frame 6; the bottom rigid beam frame 4 is rectangular, the size of the bottom rigid beam frame 4 is larger than that of the bottom surface of the steel structure roof truss 1, and the size of the bottom rigid beam frame 4 is smaller than that of the top surface of the steel structure roof truss 1; the supporting tire frames 5 are arranged at the top of the bottom rigid beam frame 4 at intervals in the circumferential direction, and the upper ends of the supporting tire frames 5 are supported at the upper parts of the four inclined side surfaces of the steel structure roof truss 1 and the positions close to the top edges of the inclined side surfaces; the top connecting beam frame 6 is rectangular and correspondingly connects a group of supporting tire frames 5; the inner support frame is arranged on the inner side of the outer support frame and comprises a frame body 7 and a support column 8; the horizontal section of the frame body 7 is rectangular, the size of the horizontal section of the frame body 7 is larger than that of the bottom surface of the steel structure roof truss 1, and the height of the frame body 7 is smaller than that of the support jig frame 5; four support columns 8 are respectively connected to the outer sides of the four side faces of the frame body 7 and the middle positions of the corresponding side faces, and the tops of the support columns 8 are flush with the top of the frame body 7; a vertical support rod 9 is connected to the middle of the top surface of each support column 8, and the upper end of each support rod 9 is supported at the bottom of the inclined side surface of the steel structure roof truss 1; the horizontal connecting frame 2 is connected between the supporting columns 8 and the corresponding supporting jig frames 5; the four external corners of the inner support frame are respectively connected with corner connecting rods 10; the top of the corner connecting rod 10 is flush with the top of the supporting rod 9, and the bottom of the corner connecting rod 10 is provided with a first load distribution beam 11; platform plates 12 are respectively arranged at four corner positions of the outer support frame; the outer side of the platform plate 12 is connected with an outer support frame, and the inner side of the platform plate 12 is connected with the corner connecting rod 10; the corner support frame 3 is erected on the platform plate 12, and the top of the corner support frame 3 is connected to the bottom of the inclined side face of the steel structure roof truss 1 in a supporting mode and is in a corner position corresponding to the inclined side face.
In this embodiment, the bottom rigid beam frame 4 comprises an outer rectangular beam frame 4.1, an inner rectangular beam frame 4.2 and a horizontal connecting rod 4.3; the inner rectangular beam frame 4.2 is arranged on the inner side of the outer rectangular beam frame 4.1, and the distance between the inner rectangular beam frame 4.2 and the outer rectangular beam frame 4.1 is 800 mm-1200 mm; the horizontal connecting rod 4.3 is connected between the outer rectangular beam frame 4.1 and the inner rectangular beam frame 4.2.
In this embodiment, the supporting jig 5 is a lattice type supporting jig, and includes a vertical rod 5.1 and a horizontal rod 5.2; four upright posts 5.1 are arranged in a rectangular shape; the horizontal rods 5.2 are at least three layers and are arranged at intervals along the vertical direction; each layer of horizontal rods 5.2 is rectangular and is connected among the four upright rods 5.1; the top of the supporting jig frame 5 is provided with a supporting and connecting plate 13; the supporting plate 13 is supported and connected at the bottom of the inclined side face of the steel structure roof truss 1.
In this embodiment, the horizontal connecting frame 2 is an isosceles triangle, the vertex angle of the triangle is connected with the corresponding supporting jig frame 5, and the bottom edge of the triangle is connected with the supporting column 8.
In this embodiment, the bottom of the supporting column 8 is provided with a second load distribution beam 14; two of the second load distribution beams 14 are provided along the inner and outer sides of the bottom surface of the support post 8, respectively.
In this embodiment, corner support rods 9 are disposed at the positions of four corners inside the top connecting beam frame 6.
In this embodiment, the supporting columns 8 are lattice columns.
In this embodiment, the vertical section of the supporting plate 13 is U-shaped or the horizontal section of the supporting plate 13 is rectangular, and is correspondingly supported at the bottom of the inclined side of the steel structure roof truss 1, and the U-shaped groove of the supporting plate 13 is clamped on the corresponding roof truss rod.
In this embodiment, the top of braced system and the top of bight support frame 3 all are provided with operation platform, weld the steel cat ladder in the side of bight support frame 3, guarantee constructor operation safety.
In this embodiment, the supporting plate 13 is provided with a jack, and the jack is used to unload the supporting system.
Claims (6)
1. A supporting system for load transfer of a steel structure roof truss is arranged at the bottom of the steel structure roof truss (1); the steel structure roof truss (1) is in an inverted pyramid shape; the method is characterized in that: the supporting system comprises an outer supporting frame, an inner supporting frame, a horizontal connecting frame (2) and a corner supporting frame (3); the outer support frame comprises a bottom rigid beam frame (4), a support jig frame (5) and a top connecting beam frame (6); the bottom rigid beam frame (4) is rectangular, the size of the bottom rigid beam frame (4) is larger than that of the bottom surface of the steel structure roof truss (1), and the size of the bottom rigid beam frame (4) is smaller than that of the top surface of the steel structure roof truss (1); the supporting tire frames (5) are arranged at the top of the bottom rigid beam frame (4) at intervals in the circumferential direction, and the upper ends of the supporting tire frames (5) are supported at the upper parts of the four inclined side surfaces of the steel structure roof truss (1) and the positions of the top edges close to the inclined side surfaces; the top connecting beam frame (6) is rectangular and correspondingly connects a group of supporting jig frames (5); the inner support frame is arranged on the inner side of the outer support frame and comprises a frame body (7) and a support column (8); the horizontal section of the frame body (7) is rectangular, the size of the horizontal section of the frame body (7) is larger than that of the bottom surface of the steel structure roof truss (1), and the height of the frame body (7) is smaller than that of the support jig frame (5); four support columns (8) are respectively connected to the outer sides of the four side faces of the frame body (7) and the middle positions of the corresponding side faces, and the tops of the support columns (8) are flush with the top of the frame body (7); the middle of the top surface of each supporting column (8) is connected with a vertical supporting rod (9), and the upper end of each supporting rod (9) is supported at the bottom of the inclined side surface of the steel structure roof truss (1); the horizontal connecting frame (2) is connected between the supporting columns (8) and the corresponding supporting jig frames (5); the four external corners of the inner support frame are respectively connected with corner connecting rods (10); the top of the corner connecting rod (10) is flush with the top of the supporting rod (9), and a first load distribution beam (11) is arranged at the bottom of the corner connecting rod (10); platform plates (12) are respectively arranged at the four corner positions of the outer support frame; the outer side of the platform plate (12) is connected with the outer support frame, and the inner side of the platform plate (12) is connected with the corner connecting rod (10); the corner support frame (3) is erected on the platform plate (12), and the top of the corner support frame (3) is connected to the bottom of the inclined side face of the steel structure roof truss (1) in a supporting mode and corresponds to the corner position of the inclined side face.
2. The support system for load transfer of a steel structural roof truss of claim 1 wherein: the bottom rigid beam frame (4) comprises an outer rectangular beam frame (4.1), an inner rectangular beam frame (4.2) and a horizontal connecting rod (4.3); the inner rectangular beam frame (4.2) is arranged on the inner side of the outer rectangular beam frame (4.1), and the distance between the inner rectangular beam frame (4.2) and the outer rectangular beam frame (4.1) is 800-1200 mm; the horizontal connecting rod (4.3) is connected between the outer rectangular beam frame (4.1) and the inner rectangular beam frame (4.2).
3. The support system for load transfer of a steel structural roof truss of claim 1 wherein: the supporting jig frame (5) is a lattice type supporting jig frame and comprises a vertical rod (5.1) and a horizontal rod (5.2); four upright posts (5.1) are arranged in a rectangular shape; the horizontal rods (5.2) are at least three layers and are arranged at intervals along the vertical direction; each layer of horizontal rod (5.2) is rectangular and is connected among the four upright rods (5.1); a support connection plate (13) is arranged at the top of the support jig frame (5); the supporting plate (13) is supported and connected to the bottom of the inclined side face of the steel structure roof truss (1).
4. The support system for load transfer of a steel structural roof truss of claim 1 wherein: the horizontal connecting frame (2) is in the shape of an isosceles triangle, the vertex angle of the triangle is connected with the corresponding supporting jig frame (5), and the bottom edge of the triangle is connected with the supporting column (8).
5. The support system for load transfer of a steel structural roof truss of claim 1 wherein: a second load distribution beam (14) is arranged at the bottom of the supporting column (8); and two second load distribution beams (14) are arranged along the inner side and the outer side of the bottom surface of the support column (8).
6. The support system for load transfer of a steel structural roof truss of claim 1 wherein: corner support rods (9) are arranged at the positions of the four corners on the inner side of the top connecting beam frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165923.XU CN212671232U (en) | 2020-06-22 | 2020-06-22 | Support system for load transfer of steel structure roof truss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165923.XU CN212671232U (en) | 2020-06-22 | 2020-06-22 | Support system for load transfer of steel structure roof truss |
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| CN212671232U true CN212671232U (en) | 2021-03-09 |
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| CN202021165923.XU Active CN212671232U (en) | 2020-06-22 | 2020-06-22 | Support system for load transfer of steel structure roof truss |
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