CN210164286U - Support arrangement for high altitude large-span steel structure truss installation usefulness - Google Patents

Support arrangement for high altitude large-span steel structure truss installation usefulness Download PDF

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CN210164286U
CN210164286U CN201920545332.6U CN201920545332U CN210164286U CN 210164286 U CN210164286 U CN 210164286U CN 201920545332 U CN201920545332 U CN 201920545332U CN 210164286 U CN210164286 U CN 210164286U
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supporting frame
cross beam
standard section
steel structure
structure truss
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CN201920545332.6U
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金耀寰
朱杰
吴鑫
汪西义
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Abstract

The utility model relates to a strutting arrangement of high altitude large-span steel structure truss installation usefulness belongs to the auxiliary device of steel structure truss installation, characterized by: the supporting device for mounting the high-altitude large-span steel structure truss comprises a supporting frame and a bearing platform, wherein the supporting frame comprises a standard section supporting frame, a non-standard section supporting frame and a connecting bolt, the standard section supporting frame is identical in structure and different in height from the non-standard section supporting frame, the standard section supporting frame is a steel structural member formed by connecting four main uprights and cross rods, longitudinal rods and inclined supporting rods through bolts, the non-standard section supporting frame is mounted at the top of the standard section supporting frame, the bearing platform is mounted at the top of the non-standard section supporting frame, a jack and an auxiliary cross beam are arranged on a base of the bearing platform, the auxiliary cross beam is placed on the jack, a lower chord of the truss is placed on the auxiliary cross beam, the position of the lower chord is adjusted by the jack, the use is convenient, the safety and the reliability are realized, the construction efficiency is improved, and the cost is reduced.

Description

Support arrangement for high altitude large-span steel structure truss installation usefulness
Technical Field
The utility model belongs to the auxiliary device of steel structure truss installation especially relates to a strutting arrangement of large-span steel structure truss installation.
Background
The steel structure truss is composed of a plurality of main trusses and a plurality of secondary trusses, the length of each main truss is dozens of meters, even hundreds of meters, generally, each main truss is divided into a plurality of sections for processing and splicing and installation on a construction site, meanwhile, the height of an installation splicing point from the ground is dozens of meters or two or thirty meters, when every two adjacent main truss sections are butted, if two cranes are respectively hoisted to be butted in the air, firstly, the positioning is difficult, secondly, the operation environment of constructors is very dangerous, safety accidents are easily caused, and potential safety hazards exist; and thirdly, the construction efficiency is low, the hoisting cost is high, if the construction is carried out by adopting the method of erecting the full framing scaffold, the construction period is necessarily prolonged, and the construction cost is greatly increased.
Disclosure of Invention
The utility model aims at providing a strutting arrangement of high altitude large-span steel structure truss installation usefulness, not only rational in infrastructure, the commonality is stronger, and easy dismouting uses safe and reliable moreover, shortens construction cycle effectively, practices thrift construction cost.
The purpose of the utility model is realized like this: the utility model provides a strutting arrangement of high altitude large-span steel structure truss installation usefulness, characterized by: the supporting device for mounting the high-altitude large-span steel structure truss comprises a supporting frame and a bearing platform, wherein the supporting frame further comprises a standard section supporting frame (a standard section for short), a non-standard section supporting frame (a non-standard section for short) and connecting bolts, the standard section supporting frame and the non-standard section supporting frame are identical in structure and different in height, the height of the standard section supporting frame is 6m, the height of the non-standard section supporting frame is 2m or 4m, and the standard section supporting frame is taken as an example for further explanation at present: the standard joint support frame comprises four main columns, a connecting plate I, a connecting plate II, cross rods, longitudinal rods, diagonal braces, bolts I and bolts II, wherein the four main columns are arranged in a rectangular shape from left to right, in a front and back direction, the inner side surface of each main column is symmetrically and uniformly provided with the rectangular connecting plate I from top to bottom, the connecting plate I is provided with the bolt holes I, the cross rods or the longitudinal rods are fixedly arranged between every two adjacent horizontal connecting plates I on the same side surface by the bolts I, the diagonal braces are fixedly arranged between every two adjacent upper and lower connecting plates I on the same side surface by the bolts I, the length and the width of the cross section of the standard joint support frame can be 2m multiplied by 2m, the main columns can be made of square steel pipes with the length and the width of the cross section and the wall thickness of 150mm multiplied by 150mm multiplied by 8mm, the cross bars, the longitudinal bars and the diagonal braces can be made of angle steel with the cross section of length multiplied by width multiplied by the wall thickness of 100mm multiplied by 6mm, the connecting plates I can be made of steel plates with the thickness of 12mm, square connecting plates II are symmetrically and fixedly arranged at the upper end part and the lower end part of each main upright respectively, the connecting plates II can be made of steel plates with the thickness of 20mm, bolt holes II are uniformly and symmetrically arranged around the connecting plates II, the diameter of each bolt hole II can be 22mm, the nonstandard section supporting frames are arranged on the upper side and the standard section supporting frames are sequentially overlapped on the lower side, and connecting bolts are arranged in the bolt holes II on the connecting plates II at the end parts of the main uprights connected up and down and fixedly connected with each other;
the top of the top section of the nonstandard section support frame is fixedly provided with a bearing platform, the length multiplied by the width of the bearing platform is correspondingly larger than or equal to the length multiplied by the width of the top of the nonstandard section support frame, the bearing platform also comprises a base, a connecting plate III, upright posts, an auxiliary cross beam and a jack, the base is a steel structural member which is shaped like a Chinese character tian and is made of H-shaped steel, the base also comprises a left longitudinal beam, a middle longitudinal beam, a right longitudinal beam (which are arranged in the front-back direction), a front cross beam, a middle cross beam and a rear cross beam (which are arranged in the left-right direction), the front cross beam, the middle cross beam and the rear cross beam are fixedly arranged between the left longitudinal beam and the right longitudinal beam in an evenly distributed manner, the middle longitudinal beams are arranged between the front cross beam and the middle cross beam and between the middle cross beam, the left upright post and the right upright post are symmetrically and fixedly arranged in the middle of the left longitudinal beam, the auxiliary cross beam can be made of H-shaped steel, the middle cross beam is provided with a left jack and a right jack, the auxiliary cross beam is placed on the jacks, a top plate is fixedly arranged on the bottom surface of the auxiliary cross beam corresponding to the positions, located on the jacks, and can be a 50-ton jack, the top plate can be made of a steel plate with the thickness of 20mm, a connecting plate III with a bolt hole is fixedly arranged on the bottom surface of the base, and the mounting position of the connecting plate III is correspondingly consistent with the position of a connecting plate II at the top of the nonstandard joint support frame.
When the supporting device is used, the supporting devices are respectively arranged corresponding to welding points of all adjacent main truss sections, the adjacent main truss sections are hung on the supporting device, the lower chord of the main truss is placed on the auxiliary cross beam on the supporting platform on the supporting device, the auxiliary cross beam is jacked up or lowered down by using a jack, the position of the lower chord is adjusted and fixed, then all sections of the main truss are welded to form a complete main truss, and after all the main truss and the auxiliary truss are installed, the main truss and the auxiliary truss are unloaded by using the jack, so that the main truss and the auxiliary truss can safely and stably enter a normal working state.
The utility model provides a strutting arrangement of high altitude large-span steel structure truss installation usefulness, it is rational in infrastructure not only, the commonality is stronger, easily dismouting, uses safe and reliable moreover, has shortened construction cycle effectively, has practiced thrift construction cost.
The supporting device for installing the high-altitude large-span steel structure truss provided by the utility model is further described with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1 is the main view schematic diagram of the supporting device for installing the high-altitude large-span steel structure truss.
Fig. 2 is a front view of the standard joint support 1 in fig. 1.
Figure 3 is a schematic front view of the platform 3 of figure 1.
In fig. 1, 2, and 3:
1. 1-1 standard section support frame, 1-2 main upright posts, 1-3 cross bars, 2 diagonal brace rods, 3 nonstandard section support frames, 3-1 bearing platform, 3-2 base, 3-3 upright rods, 3-4 auxiliary cross beams, 4 jack and lower chord
Detailed Description
As can be seen from fig. 1, 2, 3: the utility model provides a strutting arrangement of high altitude large-span steel structure truss installation usefulness, characterized by: the supporting device for mounting the high-altitude large-span steel structure truss comprises a supporting frame and a bearing platform 3, wherein the supporting frame comprises a standard section supporting frame 1, a non-standard section supporting frame 2 and connecting bolts, the standard section supporting frame 1 and the non-standard section supporting frame 2 have the same structure but different heights, the height of the standard section supporting frame 1 is 6m, the height of the non-standard section supporting frame 2 is 2m or 4m, and the standard section supporting frame is taken as an example for further explanation: the standard joint support frame 1 further comprises main upright columns 1-1, connecting plates I, connecting plates II, cross rods 1-2, longitudinal rods, diagonal braces 1-3, bolts I and bolts II, wherein the number of the main upright columns 1-1 is four, the four main upright columns 1-1 are arranged in a rectangular shape from left to right, from front to back, rectangular connecting plates I are symmetrically and uniformly distributed on the inner side surfaces of the main upright columns 1-1 from top to bottom, bolt holes I are formed in the connecting plates I, the cross rods 1-2 or the longitudinal rods are fixedly installed between every two adjacent horizontal connecting plates I on the same side surface through the bolts I, the diagonal braces 1-3 are fixedly installed between every two adjacent connecting plates I on the same side surface, the length multiplied by the width of the cross section of the standard joint support frame 1 can be 2m multiplied by 2m, the main upright post 1-1 can be made of a square steel tube with the cross section of length multiplied by width multiplied by the wall thickness of 150mm multiplied by 8mm, the cross bars 1-2, the longitudinal bars and the diagonal bars 1-3 can be made of angle steel with the cross section length multiplied by the width multiplied by the wall thickness of 100mm multiplied by 6mm, the connecting plate I can be made of a steel plate with the thickness of 12mm, square connecting plates II are symmetrically and respectively fixedly arranged at the upper end part and the lower end part of each main upright post 1-1, the connecting plate II can be made of a steel plate with the thickness of 20mm, bolt holes II are uniformly and symmetrically formed in the periphery of the connecting plate II, the diameter of the bolt hole II can be 22mm, the non-standard section support frame 2 is arranged on the upper portion and the standard section support frame 1 is arranged on the lower portion in an overlapped mode, connecting bolts are arranged in bolt holes II on connecting plates II at the end parts of the main upright columns which are connected up and down and are fixedly connected;
a bearing platform 3 is fixedly arranged at the top of the non-standard section support frame 2 at the uppermost section, the length multiplied by the width of the bearing platform 3 is correspondingly larger than or equal to the length multiplied by the width of the top of the non-standard section support frame 2, the bearing platform 3 also comprises a base 3-1, a connecting plate III, an upright stanchion 3-2, an auxiliary cross beam 3-3 and a jack 3-4, the base 3-1 is a steel structural member which is shaped like a Chinese character tian made of H-shaped steel, the base 3-1 also comprises a left longitudinal beam, a middle longitudinal beam, a right longitudinal beam, a front cross beam, a middle cross beam and a rear cross beam are fixedly arranged between the left longitudinal beam and the right longitudinal beam, a left upright beam and a right upright beam 3-2 are symmetrically and fixedly arranged in the middle of the left longitudinal beam and the right longitudinal beam of the base 3-1, an auxiliary cross beam 3-3 is arranged between the left upright rod 3-2 and the right upright rod 3-2 in a clearance fit mode, the auxiliary cross beam 3-3 can be made of H-shaped steel, a left jack 3-4 and a right jack 3-4 are arranged on the middle cross beam, the auxiliary cross beam 3-3 is placed on the jacks 3-4, a top plate is fixedly arranged on the bottom surface of the auxiliary cross beam 3-3 corresponding to the jacks 3-4, the jacks 3-4 can be 50 tons of jacks, the top plate can be made of steel plates with the thickness of 20mm, a connecting plate III with bolt holes is fixedly arranged on the bottom surface of the base 3-1, and the installation position of the connecting plate III is correspondingly consistent with that of a connecting plate II on the top of the nonstandard joint support frame 2.
When the supporting device is used, the supporting devices are respectively arranged corresponding to welding points between every two adjacent main truss sections, the adjacent main truss sections are hung on the supporting device, the lower chord 4 of the main truss is placed on the auxiliary cross beam 3-3 on the supporting platform 3 on the supporting device, the auxiliary cross beam 3-3 is jacked up or lowered down by using the jack 3-4, the position of the lower chord 4 is adjusted and fixed, then all the sections of the main truss are welded to form a complete main truss, and after all the main truss and the auxiliary truss are installed, the jack 3-4 unloads the main truss and the auxiliary truss to ensure that the main truss and the auxiliary truss can safely and stably enter a normal working state.

Claims (10)

1. The utility model provides a strutting arrangement of high altitude large-span steel structure truss installation usefulness, characterized by: the supporting device for mounting the high-altitude large-span steel structure truss comprises a supporting frame and a bearing platform (3), wherein the supporting frame comprises a standard section supporting frame (1), a non-standard section supporting frame (2) and connecting bolts, the standard section supporting frame (1) and the non-standard section supporting frame (2) have the same structure and different heights, the height of the standard section supporting frame (1) is 6m, the height of the non-standard section supporting frame (2) is 2m or 4m, the standard section supporting frame (1) comprises main upright columns (1-1), connecting plates I, connecting plates II, cross rods (1-2), longitudinal rods, diagonal rods (1-3), bolts I and bolts II, the number of the main upright columns (1-1) is four, and the left, right, front and back ground of the four main upright columns (1-1) are arranged in a rectangular shape, rectangular connecting plates I are symmetrically and uniformly distributed on the inner side surface of each main upright post (1-1) from top to bottom, the connecting plates I are provided with bolt holes I, cross rods (1-2) or longitudinal rods are fixedly arranged between every two horizontal adjacent connecting plates I on the same side surface by using bolts I, inclined support rods (1-3) are fixedly arranged between the upper connecting plate I and the lower connecting plate I which are adjacent in pairs at opposite angles on the same side surface by bolts I, square connecting plates II are symmetrically and respectively fixedly arranged at the upper end part and the lower end part of each main upright post (1-1), bolt holes II are uniformly and symmetrically arranged on the periphery of the connecting plate II, the nonstandard section support frames (2) are arranged on the upper part and the standard section support frames (1) are arranged on the lower part in a sequentially superposed manner, connecting bolts are arranged in bolt holes II on connecting plates II at the end parts of the main upright columns which are connected up and down and are fixedly connected;
a bearing platform (3) is fixedly arranged at the top of the top section of the non-standard section support frame (2), the length multiplied by the width of the bearing platform (3) is correspondingly larger than or equal to the length multiplied by the width of the top of the non-standard section support frame (2), the bearing platform (3) also comprises a base (3-1), a connecting plate III, an upright post (3-2), an auxiliary cross beam (3-3) and a jack (3-4), the base (3-1) is a steel structural member which is shaped like a Chinese character tian and is made of H-shaped steel, the base (3-1) also comprises a left longitudinal beam, a middle longitudinal beam, a right longitudinal beam, a front cross beam, a middle cross beam and a rear cross beam, the front cross beam, the middle cross beam and the rear cross beam are fixedly arranged between the left longitudinal beam and the right longitudinal beam, the middle longitudinal beam and the middle cross beam are fixedly arranged between the front cross beam and the middle cross beam as well as between, the middle parts of a left longitudinal beam and a right longitudinal beam of the base (3-1) are symmetrically and fixedly provided with a left vertical beam and a right vertical beam (3-2), an auxiliary cross beam (3-3) is arranged between the left vertical beam and the right vertical beam (3-2) in a clearance fit manner, a left jack and a right jack (3-4) are arranged on the middle cross beam, the auxiliary cross beam (3-3) is placed on the jacks (3-4), a top plate is fixedly arranged on the bottom surface of the auxiliary cross beam (3-3) corresponding to the positions of the jacks (3-4), a connecting plate III with bolt holes is fixedly arranged on the bottom surface of the base (3-1), and the mounting position of the connecting plate III on the top of the non-standard joint support frame (2) is correspondingly consistent with the position of a connecting plate II on the top of the non-standard joint.
2. The support device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the length x width of the cross section of the standard section support frame (1) is 2m x 2 m.
3. The supporting device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the main upright column (1-1) is made of a square steel pipe with a cross section of length x width x wall thickness of 150mm x 8 mm.
4. The supporting device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the cross bars (1-2), the longitudinal bars and the diagonal bars (1-3) are made of angle steel with cross section length x width x wall thickness of 100mm x 6 mm.
5. The supporting device for the installation of the high-altitude large-span steel structure truss as claimed in claim 1, wherein the connecting plate I is made of a steel plate with a thickness of 12 mm.
6. The supporting device for the installation of the high-altitude large-span steel structure truss as claimed in claim 1, wherein the connecting plate II is made of a steel plate with a thickness of 20 mm.
7. The supporting device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the bolt hole II has a diameter of 22 mm.
8. The support device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the auxiliary cross beams (3-3) are made of H-shaped steel.
9. The support device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the jacks (3-4) are 50-ton jacks.
10. The support device for the installation of the high-altitude large-span steel structure truss according to claim 1, wherein the top plate is made of a steel plate with a thickness of 20 mm.
CN201920545332.6U 2019-04-22 2019-04-22 Support arrangement for high altitude large-span steel structure truss installation usefulness Active CN210164286U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802880A (en) * 2021-08-16 2021-12-17 中国一冶集团有限公司 Combined supporting structure for mounting large-span steel beam
CN114439252A (en) * 2021-12-09 2022-05-06 陕西建工第一建设集团有限公司 Main arch supporting device for hoisting large-span steel structure roof
CN114592718A (en) * 2022-03-30 2022-06-07 浙江东南网架股份有限公司 Supporting structure for sectional hoisting of triangular pipe truss and supporting method thereof
CN116241103A (en) * 2022-11-16 2023-06-09 中国一冶集团有限公司 Large-span curved surface single-layer reticulated shell mounting support steel frame structure and construction method
CN118029701A (en) * 2024-02-29 2024-05-14 中建八局第二建设有限公司 A construction method for pre-embedded auxiliary installation of super-heavy steel structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802880A (en) * 2021-08-16 2021-12-17 中国一冶集团有限公司 Combined supporting structure for mounting large-span steel beam
CN114439252A (en) * 2021-12-09 2022-05-06 陕西建工第一建设集团有限公司 Main arch supporting device for hoisting large-span steel structure roof
CN114592718A (en) * 2022-03-30 2022-06-07 浙江东南网架股份有限公司 Supporting structure for sectional hoisting of triangular pipe truss and supporting method thereof
CN116241103A (en) * 2022-11-16 2023-06-09 中国一冶集团有限公司 Large-span curved surface single-layer reticulated shell mounting support steel frame structure and construction method
CN118029701A (en) * 2024-02-29 2024-05-14 中建八局第二建设有限公司 A construction method for pre-embedded auxiliary installation of super-heavy steel structure

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