CN223048204U - Sectional cantilever mounting device for high-altitude large-span steel girder - Google Patents
Sectional cantilever mounting device for high-altitude large-span steel girder Download PDFInfo
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- CN223048204U CN223048204U CN202421919635.7U CN202421919635U CN223048204U CN 223048204 U CN223048204 U CN 223048204U CN 202421919635 U CN202421919635 U CN 202421919635U CN 223048204 U CN223048204 U CN 223048204U
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Abstract
本实用新型公开了一种用于高空大跨度钢梁分段悬挑安装装置。涉及钢结构施工技术领域，包括：钢骨柱，设钢骨柱牛腿；钢梁，包括两个分段钢主梁，两个分段钢主梁分别与两个钢骨柱连接，每个分段钢主梁靠近钢骨柱一端的顶部均设有向上牛腿，每个分段钢主梁远离钢骨柱一端的顶部均设有斜向上牛腿；斜拉杆，包括H型钢梁和向下钢梁，H型钢梁的一端设置第一连接板，第一连接板与斜向下牛腿连接，H型钢梁的另一端设置第二连接板，第二连接板与斜向上牛腿连接，向下钢梁设置在H型钢梁的底部，向下钢梁远离H型钢梁的一端设有第三连接板，第三连接板与向上牛腿连接。本实用新型通过将钢梁进行分段，能够满足塔吊的吊重需求，确保施工安全。
The utility model discloses a device for installing a high-altitude large-span steel beam segmented cantilever. It relates to the technical field of steel structure construction, including: a steel column, provided with a steel column corbel; a steel beam, including two segmented steel main beams, the two segmented steel main beams are respectively connected to the two steel columns, each segmented steel main beam is provided with an upward corbel at the top of one end close to the steel column, and each segmented steel main beam is provided with an oblique upward corbel at the top of one end away from the steel column; a diagonal tie rod, including an H-shaped steel beam and a downward steel beam, a first connecting plate is provided at one end of the H-shaped steel beam, the first connecting plate is connected to the oblique downward corbel, a second connecting plate is provided at the other end of the H-shaped steel beam, the second connecting plate is connected to the oblique upward corbel, the downward steel beam is provided at the bottom of the H-shaped steel beam, and a third connecting plate is provided at one end of the downward steel beam away from the H-shaped steel beam, and the third connecting plate is connected to the upward corbel. The utility model can meet the lifting weight requirements of the tower crane and ensure construction safety by segmenting the steel beam.
Description
Technical Field
The utility model relates to the technical field of steel structure construction, in particular to a sectional cantilever mounting device for a high-altitude large-span steel beam.
Background
The building corridor is located 11-13 layers, and 5-11 layers in the lower portion of the corridor are hollow out, and the corridor is of an all-steel structure, and the steel structure is a stiff steel column, a steel beam and a steel bar truss floor support plate, and the total amount of the steel structure is about 600 tons. The span of the single steel beam is 25 meters, and the weight is 8.1 tons.
In the prior art, three construction methods are mainly adopted, namely, tower crane high-altitude in-situ hoisting is adopted, but because the weight of a single steel beam is out of the hoisting range, the hoisting cannot be carried out by using a tower crane, the hoisting is carried out by using large-tonnage automobile cranes, but the main structures of markets are arranged on the north and south sides, the hoisting cannot be carried out by using the large-tonnage automobile cranes, and five layers of full-hall scaffolds are arranged, but the erection height is higher, the cost is higher, and the construction method is uneconomical. Therefore, the steel beam is smoothly and safely hoisted, the economic benefit can be met, the cost is saved, and the working efficiency is improved.
Therefore, how to provide a sectional cantilever installation device for a high-altitude large-span steel beam, which can utilize a tower crane to install in a sectional cantilever manner without additional mechanical and measure cost, and can greatly save cost, is a problem to be solved by a person skilled in the art.
Disclosure of utility model
In view of the above, the utility model provides a sectional cantilever mounting device for a high-altitude large-span steel beam, which can utilize a tower crane to realize sectional cantilever mounting, does not need additional mechanical and measure cost, and can greatly save cost.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A mounting device for high-altitude large-span steel girder segment overhanging comprising:
The steel rib columns are symmetrically arranged at intervals, steel rib column brackets are arranged on each steel rib column, oblique downward brackets are arranged below each steel rib column bracket, and the steel rib column brackets are also arranged below the oblique downward brackets;
The steel beams comprise segmented steel girders and middle steel girders, the two segmented steel girders are respectively connected with steel column brackets on the two steel column, the two segmented steel girders are all positioned below the steel column brackets, steel beam segmentation points are arranged at the two ends of the segmented steel girders, upward brackets are arranged at the top of each segmented steel girder, which is close to one end of the steel column, and oblique upward brackets are arranged at the top of each segmented steel girder, which is far away from one end of the steel column, and the two ends of the middle steel girders are respectively connected with the steel beam segmentation points of the two segmented steel girders;
The diagonal draw bars, the diagonal draw bars set up two, every the diagonal draw bars all include H shaped steel roof beam and downward girder steel, the one end of H shaped steel roof beam sets up first connecting plate, first connecting plate with the bracket is connected down in the slant, the other end of H shaped steel roof beam sets up the second connecting plate, the second connecting plate with the bracket is connected up in the slant, downward girder steel sets up the bottom of H shaped steel roof beam, downward girder steel is close to first connecting plate, downward girder steel with H shaped steel roof beam articulates, downward girder steel is kept away from the one end of H shaped steel roof beam is equipped with the third connecting plate, the third connecting plate with upward the bracket is connected.
Further, a stiffening plate is arranged at the hinge position of the downward steel beam and the H-shaped steel beam.
Further, the welding process base plate is further included, the first connecting plate, the second connecting plate and two ends of the H-shaped steel beam are connected through the welding process base plate, and the third connecting plate and the downward steel beam are also connected through the welding process base plate.
Further, the lifting lugs are arranged at intervals at the top of each H-shaped steel beam, and two lifting lugs are arranged at intervals at the top of each oblique upper bracket.
Further, each of the first connecting plate, the second connecting plate and the third connecting plate is provided with a plurality of high-strength bolts.
Compared with the prior art, the sectional cantilever mounting device for the high-altitude large-span steel girder is disclosed, the sectional steel girder is connected with the steel skeleton column, the cantilever length of the sectional steel girder is reduced, a stable system is formed, the sectional cantilever mounting device can be suitable for a sectional cantilever mounting construction process of the high-altitude large-span steel girder, the diagonal draw bar device is convenient to mount and dismount, high in operability and low in risk, can be suitable for working conditions that a temporary support jig frame, a full-hall support scaffold frame and a large-tonnage automobile crane cannot be arranged, can be recycled after the diagonal draw bar is cut, and is high in economic benefit and low in cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a diagonal draw bar according to the present utility model;
FIG. 2 is a schematic structural view of a sectional cantilever mounting device for a high-altitude large-span steel girder, which is provided by the utility model;
FIG. 3 is a schematic view of a segmented steel main beam according to the present utility model;
fig. 4 is a schematic structural view of a steel column according to the present utility model.
The steel column comprises a steel column body 1, steel column brackets 2, oblique lower brackets 3, segmented steel girders 4, middle steel girders 5, steel girder segmentation points 6, upward brackets 7, oblique upper brackets 8, oblique pull rods 9, H-shaped steel girders 10, downward steel girders 11, first connecting plates 12, second connecting plates 13, three connecting plates 14, stiffening plates 15, welding process backing plates 16, lifting lugs 17 and high-strength bolts 18.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the utility model discloses a sectional cantilever mounting device for a high-altitude large-span steel beam, which comprises:
The steel rib columns 1 are symmetrically arranged at intervals, each steel rib column 1 is provided with a steel rib column bracket 2, the lower part of each steel rib column bracket 2 is provided with an oblique downward bracket 3, and the lower part of the oblique downward bracket 3 is also provided with the steel rib column brackets 2;
The steel girder comprises a segmented steel girder 4 and an intermediate steel girder 5, wherein the segmented steel girder 4 is provided with two, the two segmented steel girders 4 are respectively connected with steel column brackets 2 on the two steel columns 1, the two segmented steel girders 4 are all positioned below the steel column brackets 2, two ends of the segmented steel girder 4 are all provided with steel girder segmentation points 6, the top of each segmented steel girder 4, which is close to one end of the steel column 1, is provided with an upward bracket 7, the top of one end of each segmented steel girder 4, which is far away from the steel column 1, is provided with an oblique upward bracket 8, and two ends of the intermediate steel girder 5 are respectively connected with the steel girder segmentation points 6 of the two segmented steel girders 4;
The diagonal draw bars 9 are arranged in two, each diagonal draw bar 9 comprises an H-shaped steel beam 10 and a downward steel beam 11, a first connecting plate 12 is arranged at one end of each H-shaped steel beam 10, the first connecting plate 12 is connected with the obliquely lower bracket 3, a second connecting plate 13 is arranged at the other end of each H-shaped steel beam 10, the second connecting plate 13 is connected with the obliquely upper bracket 8, the downward steel beam 11 is arranged at the bottom of each H-shaped steel beam 10, the downward steel beam 11 is close to the first connecting plate 12, the downward steel beam 11 is hinged with the H-shaped steel beam 10, a third connecting plate 14 is arranged at one end, far away from the H-shaped steel beam 10, of each downward steel beam 11, the third connecting plate 14 is connected with the upward bracket 7, the diagonal draw bar 9 is convenient to install and detach, the diagonal draw bars 9, the steel beams and the steel skeleton columns 1 form a stable triangular system.
In this embodiment, a stiffening plate 15 is provided at the hinge position of the downward steel beam 11 and the H-shaped steel beam 10.
In this embodiment, the welding process pad 16 is further included, the first connecting plate 12, the second connecting plate 13 and two ends of the H-shaped steel beam 10 are connected through the welding process pad 16, the third connecting plate 14 and the downward steel beam 11 are also connected through the welding process pad 16, and installation stability is improved.
In this embodiment, the lifting lugs 17 are further included, two lifting lugs 17 are arranged at intervals on the top of each H-shaped steel beam 10, and two lifting lugs 17 are arranged at intervals on the top of each obliquely upward bracket 8.
In the embodiment, a plurality of high-strength bolts 18 are arranged on each of the first connecting plate 12, the second connecting plate 13 and the third connecting plate 14, and the first connecting plate 12 is hinged with the obliquely lower bracket 3, the second connecting plate 13 is hinged with the obliquely upper bracket 8 and the third connecting plate 14 is hinged with the upward bracket 7 through the high-strength bolts 18.
The specific use process
When the main structure is constructed, an inclined downward bracket 3 is arranged at the upper end of a steel skeleton column 1, after the main structure is capped, construction of a steel corridor is carried out, an upward bracket 7 and an inclined upward bracket 8 are arranged at the top of a segmented steel girder 4, then when the segmented steel girder 4 is hoisted, an inclined pull rod 9 is connected with the segmented steel girder 4 in advance, the segmented steel girder 4 is hoisted by a tower crane, a first connecting plate 12 of the inclined pull rod 9 and the inclined downward bracket 3 of the steel skeleton column 1 are fixed and welded through high-strength bolts 18, installation of the corridor continuous steel girder is completed, and then a middle steel girder 5 is installed;
During construction, the diagonal draw bar 9 is connected with the segmented steel girder 4 on the ground, the segmented steel girder 4 is hoisted together, the segmented steel girder 4 is temporarily fixed after being in place, the segmented steel girder 4 is corrected, the first connecting plate 12 of the diagonal draw bar 9 is fixed with the inclined lower bracket 3 of the steel skeleton column 1 through the high-strength bolts 18 to form a safety system, the tower crane lifting hook is removed afterwards, the second connecting plate 13 is connected with the inclined upper bracket 8 through the high-strength bolts 18, the third connecting plate 14 is connected with the upper bracket 7 through the high-strength bolts 18, and two ends of the middle steel girder 5 are respectively connected with the two segmented steel girders 4.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A be used for high altitude large-span girder steel segmentation installation device that encorbelments, its characterized in that includes:
The steel rib columns are symmetrically arranged at intervals, steel rib column brackets are arranged on each steel rib column, oblique downward brackets are arranged below each steel rib column bracket, and the steel rib column brackets are also arranged below the oblique downward brackets;
The steel beams comprise segmented steel girders and middle steel girders, the two segmented steel girders are respectively connected with steel column brackets on the two steel column, the two segmented steel girders are all positioned below the steel column brackets, steel beam segmentation points are arranged at the two ends of the segmented steel girders, upward brackets are arranged at the top of each segmented steel girder, which is close to one end of the steel column, and oblique upward brackets are arranged at the top of each segmented steel girder, which is far away from one end of the steel column, and the two ends of the middle steel girders are respectively connected with the steel beam segmentation points of the two segmented steel girders;
The diagonal draw bars, the diagonal draw bars set up two, every the diagonal draw bars all include H shaped steel roof beam and downward girder steel, the one end of H shaped steel roof beam sets up first connecting plate, first connecting plate with the bracket is connected down in the slant, the other end of H shaped steel roof beam sets up the second connecting plate, the second connecting plate with the bracket is connected up in the slant, downward girder steel sets up the bottom of H shaped steel roof beam, downward girder steel is close to first connecting plate, downward girder steel with H shaped steel roof beam articulates, downward girder steel is kept away from the one end of H shaped steel roof beam is equipped with the third connecting plate, the third connecting plate with upward the bracket is connected.
2. The segmented cantilever mounting device for the high-altitude large-span steel beams, according to claim 1, wherein a stiffening plate is arranged at the hinge position of the downward steel beams and the H-shaped steel beams.
3. The mounting device for the high-altitude large-span steel girder segment cantilever according to claim 1, further comprising a welding process base plate, wherein the first connecting plate, the second connecting plate and two ends of the H-shaped steel girder are connected through the welding process base plate, and the third connecting plate and the downward steel girder are also connected through the welding process base plate.
4. The segmented cantilever mounting device for the high-altitude large-span steel beams, according to claim 1, further comprising lifting lugs, wherein two lifting lugs are arranged at intervals on the top of each H-shaped steel beam, and two lifting lugs are arranged at intervals on the top of each oblique upper bracket.
5. The segmented cantilever mounting device for the high-altitude large-span steel beams according to claim 1, wherein a plurality of high-strength bolts are arranged on each of the first connecting plate, the second connecting plate and the third connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421919635.7U CN223048204U (en) | 2024-08-09 | 2024-08-09 | Sectional cantilever mounting device for high-altitude large-span steel girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421919635.7U CN223048204U (en) | 2024-08-09 | 2024-08-09 | Sectional cantilever mounting device for high-altitude large-span steel girder |
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| CN223048204U true CN223048204U (en) | 2025-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202421919635.7U Active CN223048204U (en) | 2024-08-09 | 2024-08-09 | Sectional cantilever mounting device for high-altitude large-span steel girder |
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| CN (1) | CN223048204U (en) |
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- 2024-08-09 CN CN202421919635.7U patent/CN223048204U/en active Active
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