CN220058908U - Fold line type sheet truss pre-assembled jig frame - Google Patents
Fold line type sheet truss pre-assembled jig frame Download PDFInfo
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- CN220058908U CN220058908U CN202223222098.4U CN202223222098U CN220058908U CN 220058908 U CN220058908 U CN 220058908U CN 202223222098 U CN202223222098 U CN 202223222098U CN 220058908 U CN220058908 U CN 220058908U
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- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 230000007704 transition Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a pre-assembled jig frame of a broken-line-shaped sheet truss; the device comprises a longitudinal girder, a middle layer transverse connecting beam, an upper layer transverse connecting beam, a platform deck, an upright post, an inclined beam and a high layer transverse connecting beam; wherein, the longitudinal girder is used as a chassis of the whole jig frame; the middle layer transverse connecting beam is matched with the longitudinal main beam to form a stable supporting frame; the upper layer transverse connecting beam is a transverse connecting beam above the upper layer longitudinal main beam; the platform deck, namely, the platform deck upright post paved on the upper surface of the upper layer longitudinal girder in the lifting range of the left jig frame is used for adjusting the height difference of two sides; the high-rise transverse connecting beam is positioned at the uppermost part of the jig frame, directly supports the surface of the component and is a connecting beam between the longitudinal main beams. Compared with the conventional single split heads, the structure form of the jig frame is novel, and particularly, the requirement for pre-assembling single truss with height difference is met.
Description
Technical Field
The utility model relates to the technical field of construction of steel structures, in particular to a pre-assembled jig frame of a broken-line-shaped sheet truss.
Background
In recent years, the buildings in China step into a new period, and the high-rise buildings are suddenly moved in, so that the number of layers and the height are continuously broken through. The high-rise and super high-rise buildings are mostly built by building steel structures at present, and can be divided into a frame structure system, a cylinder structure system, an arm extending structure system and a giant structure system according to the structural system. The steel arm extending truss and the outer ring belt truss form an arm extending structure system through the central core tube, the system has complex node form, large welding quantity of single components, high-altitude bulk installation process and extremely high requirements on factory machining precision. In order to ensure the machining precision and meet the requirements of on-site smooth installation, more and more owners require manufacturers to perform factory sheet type pre-assembly on steel members of truss layers.
The conventional super high-rise truss pre-assembly jig frame is in a split-head type jig frame, namely, each component in the pre-assembly module unit is supported by one or more single split heads serving as components, the upper surface of the split heads is leveled by a certain measuring means, and meanwhile, the components placed on the horse are positioned according to the pre-assembly position. The structure of the conventional split heads is shown in figure 1.
Disclosure of Invention
The utility model aims to overcome the defects and provide a novel jig frame for pre-assembling trusses with height differences, so that the operability and safety of truss pre-assembling are improved.
In order to achieve the above object, the present utility model is achieved by:
a pre-assembled jig frame of a broken-line-shaped sheet truss comprises a longitudinal main beam 1, a middle-layer transverse connecting beam 2, an upper-layer transverse connecting beam 3, a platform deck 4, an upright post 5, an inclined beam 6 and a high-layer transverse connecting beam 7; wherein, the longitudinal girder 1 is an upper layer of longitudinal supporting section steel and a lower layer of longitudinal supporting section steel, and is used as a chassis of the whole jig frame; the middle layer transverse connecting beam 2 is H-shaped steel between the upper and lower layers of longitudinal girder section steel and is matched with the longitudinal girder 1 to form a stable supporting frame; the upper transverse connecting beam 3 is a transverse connecting beam above the upper longitudinal main beam 1 and is used for supporting the pre-assembled components; the platform deck 4, namely, the 30mm platform deck 4 paved on the upper surface of the upper layer of the longitudinal girder 1 in the lifting range of the left bed-jig, the platform deck 4 provides supporting points for the upright posts of the bed-jig above, and the integrity of the whole bed-jig is increased; the upright posts 5, namely upright posts which are additionally arranged on the platform deck 4 within the lifting range of the left jig frame and used for adjusting the height difference of two sides, are used for supporting the cross beam at the upper end and further supporting the preassembly component; the inclined beam 6 is an H-shaped inclined beam which is longitudinally connected with the upper end of the left jig frame upright post and transits from a low elevation to a high elevation; the high-rise transverse connecting beams 7 are connecting beams positioned at the uppermost part of the jig frame, directly support the surfaces of the components and are arranged between the longitudinal main beams 1.
The assembly jig frame provided by the utility model has the following advantages:
(1) Compared with a conventional truss pre-assembled single support split heads, the integral stability of the jig frame is greatly improved, and pre-assembling errors caused by unstable support of the single split heads due to overlarge truss weight or ground vibration are effectively avoided. The whole structure system of the jig frame provides a good working platform for measuring staff and total stations.
(2) Compared with the conventional single split heads, the structure form of the jig frame is novel, and particularly, the requirement for pre-assembling single truss with height difference is met.
(3) Compared with the conventional split heads, the jig frame is more convenient and quick to set up, and the setting up efficiency of the jig frame is greatly improved. The stability of bed-jig and the big holding surface that unique structural style is with make the single component of overweight truss assemble in advance and finely tune very high-efficient, improved the fine setting efficiency of assembling in advance greatly, also improved the truss and assembled once check and accept qualification rate in advance simultaneously.
(4) The jig frame chassis section steel is fixedly connected through the lock catch without spot welding, so that the jig frame material can be reused, and the cost is saved.
Drawings
Fig. 1 is a conventional preassembled split heads support.
Fig. 2 is a construction diagram (overall side view) of a truss sheet type preassembled jig frame.
Fig. 3 is a construction diagram (left side cross-sectional view) of a truss sheet type pre-assembled jig frame.
Fig. 4 is a construction diagram (right side cross-sectional view) of a truss sheet type preassembled jig.
Fig. 5 is a schematic view of a lock catch at the joint of section steel.
Fig. 6 is a schematic view of a snap-lock connection profile.
Detailed Description
The utility model is further illustrated by the following specific examples.
As shown in fig. 2 to 6, a pre-assembled jig frame of a broken-line-shaped sheet truss comprises a longitudinal main beam 1, a middle-layer transverse connecting beam 2, an upper-layer transverse connecting beam 3, a platform deck 4, an upright post 5, an inclined beam 6 and a high-layer transverse connecting beam 7; wherein, the longitudinal girder 1 is an upper layer of longitudinal supporting section steel and a lower layer of longitudinal supporting section steel, and is used as a chassis of the whole jig frame; the middle layer transverse connecting beam 2 is H-shaped steel 9 between the upper layer longitudinal girder section steel and the lower layer longitudinal girder section steel, and is matched with the longitudinal girder 1 to form a stable supporting frame; the upper transverse connecting beam 3 is a transverse connecting beam above the upper longitudinal main beam 1 and is used for supporting the pre-assembled components; the platform deck 4, namely, the 30mm platform deck 4 paved on the upper surface of the upper layer of the longitudinal girder 1 in the lifting range of the left bed-jig, the platform deck 4 provides supporting points for the upright posts of the bed-jig above, and the integrity of the whole bed-jig is increased; the upright posts 5, namely upright posts which are additionally arranged on the platform deck 4 within the lifting range of the left jig frame and used for adjusting the height difference of two sides, are used for supporting the cross beam at the upper end and further supporting the preassembly component; the inclined beam 6 is an H-shaped inclined beam which is longitudinally connected with the upper end of the left jig frame upright post and transits from a low elevation to a high elevation; the high-rise transverse connecting beams 7 are connecting beams positioned at the uppermost part of the jig frame, directly support the surfaces of the components and are arranged between the longitudinal main beams 1.
The principle of the structure form of the jig frame is as shown in fig. 2-6, three large-section steel sections with certain lengths are arranged at the bottom of the jig frame to serve as a chassis, a plurality of hot rolling H-shaped steel sections are paved on the upper surface of the steel sections, and the steel sections are vertically and symmetrically arranged on the upper surface of the chassis steel sections at equal intervals.
In order to meet the height of the pre-assembled jig frame, three section steel which is the same as the chassis support section steel is paved on the upper surface of the square pipe. A layer of hot rolled H-shaped steel is clamped between two layers of large-section shaped steel, and the whole stability of the jig frame is greatly improved through locking by the locking buckle of the locking structure of FIG. 4.
The left side and the right side of the jig frame have larger height difference, and a steel plate with the thickness of 30mm is paved at the position where the elevation of the jig frame starts to change, namely at the position where the oblique beam is connected with the jig frame with the low elevation. The steel plate is connected with the longitudinal girder 1 at the edge of the flange plate by using the lock catch 8, so that on one hand, the stability of the whole jig frame is improved, and on the other hand, a supporting platform is provided for the upright post erection of the high-position jig frame. The laying of the platform floor 4 also improves the safety of the whole jig frame setting process, and provides a very reliable operation platform and safety guarantee for workers to set up the jig frame.
The arrangement of the jig frame steel supports is set in advance according to the axial arrangement of the preassembled components, and the axial position of the longitudinal girder 1 is the axial position of the preassembled upper chord member and the preassembled lower chord member. The size of the jig frame can be adjusted in length, width and axial span according to the axial line of the pre-assembled layout diagram in actual need, so as to adapt to the pre-assembly of super high-rise truss layer components with different sizes.
The assembly jig frame provided by the utility model has the following advantages:
(1) Compared with a conventional truss pre-assembled single support split heads, the integral stability of the jig frame is greatly improved, and pre-assembling errors caused by unstable support of the single split heads due to overlarge truss weight or ground vibration are effectively avoided. The whole structure system of the jig frame provides a good working platform for measuring staff and total stations.
(2) Compared with the conventional single split heads, the structure form of the jig frame is novel, and particularly, the requirement for pre-assembling single truss with height difference is met.
(3) Compared with the conventional split heads, the jig frame is more convenient and quick to set up, and the setting up efficiency of the jig frame is greatly improved. The stability of bed-jig and the big holding surface that unique structural style is with make the single component of overweight truss assemble in advance and finely tune very high-efficient, improved the fine setting efficiency of assembling in advance greatly, also improved the truss and assembled once check and accept qualification rate in advance simultaneously.
(4) The jig frame chassis section steel is fixedly connected through the lock catch without spot welding, so that the jig frame material can be reused, and the cost is saved.
Claims (1)
1. A broken line type sheet truss pre-assembled jig frame is characterized in that: the device comprises a longitudinal main beam (1), a middle layer transverse connecting beam (2), an upper layer transverse connecting beam (3), a platform floor (4), an upright post (5), an inclined beam (6) and a high layer transverse connecting beam (7); wherein, the longitudinal girder (1) is an upper layer of longitudinal supporting section steel and a lower layer of longitudinal supporting section steel which are used as a chassis of the whole jig frame; the middle layer transverse connecting beam (2) is H-shaped steel between the upper layer longitudinal girder section steel and the lower layer longitudinal girder section steel, and is matched with the longitudinal girder (1) to form a stable supporting frame; the upper layer transverse connecting beam (3) is a transverse connecting beam above the upper layer longitudinal main beam (1) and is used for supporting the pre-assembled components; the platform deck (4), namely the 30mm platform deck (4) paved on the upper surface of the upper layer longitudinal girder (1) in the lifting range of the left bed-jig, the platform deck (4) provides supporting points for the bed-jig upright posts on the upper layer, and the integrity of the whole bed-jig is increased; the upright posts (5), namely the upright posts which are additionally arranged on the platform floor (4) within the lifting range of the left jig frame, are used for adjusting the height difference of two sides, and are used for supporting the cross beam at the upper end so as to further support the preassembly component; the oblique beam (6) is a longitudinal connecting beam at the upper end of the left jig upright post and an H oblique beam with low elevation to high elevation transition; the high-rise transverse connecting beam (7) is positioned at the uppermost part of the jig frame, directly supports the surface of the component and is a connecting beam between the longitudinal main beams (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223222098.4U CN220058908U (en) | 2022-12-02 | 2022-12-02 | Fold line type sheet truss pre-assembled jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223222098.4U CN220058908U (en) | 2022-12-02 | 2022-12-02 | Fold line type sheet truss pre-assembled jig frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058908U true CN220058908U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223222098.4U Active CN220058908U (en) | 2022-12-02 | 2022-12-02 | Fold line type sheet truss pre-assembled jig frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058908U (en) |
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2022
- 2022-12-02 CN CN202223222098.4U patent/CN220058908U/en active Active
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