CN223330101U - A cantilever device for cantilevering steel truss beams - Google Patents
A cantilever device for cantilevering steel truss beamsInfo
- Publication number
- CN223330101U CN223330101U CN202422763494.0U CN202422763494U CN223330101U CN 223330101 U CN223330101 U CN 223330101U CN 202422763494 U CN202422763494 U CN 202422763494U CN 223330101 U CN223330101 U CN 223330101U
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- wire rope
- cantilever
- steel
- lifting lug
- steel wire
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Abstract
The application relates to the field of installation construction of overhanging steel truss girders, and discloses an overhanging steel truss girder overhanging device, which comprises: the first lifting lug is fixed at the upper end of the cantilever steel truss girder; the second lifting lug is fixed at the side end of the steel column of the building body; one end of the first steel wire rope is fixedly connected with the first lifting lug, and the other end of the first steel wire rope is a free end; one end of the second steel wire rope is fixedly connected with the second lifting lug, and the other end of the second steel wire rope is a free end; and the two ends of the chain block are fixedly connected with the free ends of the first steel wire rope and the second steel wire rope respectively and are used for tensioning the first steel wire rope and the second steel wire rope. The cantilever device is used for cantilever hoisting of the cantilever steel truss girder, the requirement of the cantilever steel truss girder on the operation environment is reduced, the cantilever steel truss girder can be installed and erected in a narrow space, and the later-stage formwork support and concrete casting are not limited by the operation environment any more, and the cantilever steel truss girder cantilever device is simple and practical in structure, convenient to install and detach, low in cost and high in efficiency.
Description
Technical Field
The application relates to the field of installation and construction of overhanging steel truss girders, in particular to an overhanging device of the overhanging steel truss girders.
Background
The cantilever steel truss girder is a truss girder connecting two parts of building bodies, referring to fig. 1, the cantilever steel truss girder can be regarded as a steel frame main body part of a corridor structure between the two parts of building bodies, at present, the construction of the cantilever steel truss girder mainly uses a tower crane or an automobile crane for hoisting, then two ends of the cantilever steel truss girder are respectively fixed on the two parts of building bodies, then a supporting template is erected on the cantilever steel truss girder, then concrete is poured, the corridor structure is formed after the concrete is solidified, however, in some areas with complex construction environments, the hoisting operation cannot be completed due to the influence of the weight of a basement and steel members, the limitation of the operation environment and the like, and based on the steel frame main body part, a cantilever device capable of carrying out the cantilever hoisting on the cantilever steel truss girder without a tower crane or an automobile crane is developed.
Disclosure of Invention
In order to hoist and mount the cantilever steel truss girder, the application provides a cantilever steel truss girder overhanging device, which is used for overhanging and hoisting the cantilever steel truss girder, so that the requirement of the cantilever steel truss girder on the working environment is reduced, the installation and erection of the cantilever steel truss girder, the later template support and concrete casting can be completed even in a small space, the cantilever steel truss girder overhanging device is not limited by the working environment any more, and the cantilever steel truss girder overhanging device is simple and practical in structure, convenient to install and detach, low in cost and high in efficiency.
The application provides a cantilever steel truss girder cantilever device, which adopts the following technical scheme:
a cantilever steel truss girder cantilever device comprising:
The first lifting lug is fixed at the upper end of the cantilever steel truss girder;
the second lifting lug is fixed at the side end of the steel column of the building body;
One end of the first steel wire rope is fixedly connected with the first lifting lug, and the other end of the first steel wire rope is a free end;
A second wire rope with one end fixedly connected with the second lifting lug and the other end being a free end, and
And the two ends of the chain block are fixedly connected with the free ends of the first steel wire rope and the second steel wire rope respectively and are used for tensioning the first steel wire rope and the second steel wire rope.
Preferably, the cantilever device further comprises a first lock catch for connecting and fixing the first steel wire rope and the first lifting lug, and two ends of the first lock catch are respectively fixedly connected with the first steel wire rope and the first lifting lug.
Preferably, the cantilever device further comprises a second lock catch for connecting and fixing the second steel wire rope and the second lifting lug, and two ends of the second lock catch are respectively fixedly connected with the second steel wire rope and the second lifting lug.
Preferably, the inner wall of the first lifting lug is fixed on a first reinforcing ring, and the first reinforcing ring is fixedly connected with the first steel wire rope.
Preferably, a first reinforcing plate is fixed on the first lifting lug, and the first reinforcing plate is located at the side end, far away from the first steel wire rope, of the first lifting lug.
Preferably, a second reinforcing ring is fixed on the second lifting lug, and the second reinforcing ring is fixedly connected with the second steel wire rope.
Preferably, a second reinforcing plate is fixed on the second lifting lug, and the second reinforcing plate is located at the side end, far away from the second steel wire rope, of the second lifting lug.
Preferably, the cantilever device further comprises a diagonal tension column for tensioning and fixing the steel column, and the diagonal tension column is located at one side, far away from the second steel wire rope, of the steel column.
Preferably, the cantilever device further comprises an inclined strut for tensioning and fixing the steel column, and the inclined strut is positioned at the side end of the steel column.
In summary, the application has the following beneficial technical effects:
1. According to the cantilever device, the cantilever steel truss girder is hoisted, the requirement of the cantilever steel truss girder on the operation environment is reduced, the installation and erection of the cantilever steel truss girder, the later formwork support and the concrete pouring can be completed even in a space with a small space, the cantilever steel truss girder is not limited by the operation environment any more, the structure is simple and practical, the installation and the disassembly are convenient, the cost is low, and the efficiency is high.
2. According to the application, the first lock catch and the second lock catch are arranged, so that the cantilever device is easier to install and disassemble, the labor intensity of constructors is reduced, and the construction efficiency is improved.
3. According to the application, the first reinforcing ring and the first reinforcing plate are arranged on the first lifting lug, so that the tensile property and the tear resistance of the first lifting lug are improved.
4. According to the application, the second reinforcing ring and the second reinforcing plate are arranged on the second lifting lug, so that the tensile property and the tear resistance of the second lifting lug are improved.
5. According to the application, the stability of the steel column is improved by arranging the inclined stay column and the inclined stay column.
Drawings
Fig. 1 is a drawing of the background art in the present application.
Fig. 2 is a schematic structural view of a cantilever steel truss girder of a cantilever device in an embodiment of the present application.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a schematic view of a partial structure of a first lifting lug in an embodiment of the application.
Fig. 5 is a schematic view showing a partial structure at the second lifting lug in the embodiment of the application.
Fig. 6 is a schematic view of the whole structure of the cantilever device according to the embodiment of the present application.
The reference numerals indicate that 100, overhanging steel truss girders, 200, building body, 300, steel columns, 11, first lifting lugs, 12, second lifting lugs, 13, first steel wire ropes, 14, second steel wire ropes, 15, chain blocks, 16, first lock catches, 17, second lock catches, 18, first reinforcing rings, 19, first reinforcing plates, 20, second reinforcing rings, 21, second reinforcing plates, 22, diagonal bracing columns and 23, diagonal bracing columns.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses a cantilever steel truss girder cantilever device, which is applied to the installation and construction of a cantilever steel truss girder 100 and is used for cantilever, cable-stayed and hoisting and fixing the cantilever steel truss girder 100 in the installation process, with reference to fig. 1.
Referring to fig. 1 to 3, the cantilever device includes a first lifting lug 11, a second lifting lug 12, a first wire rope 13, a second wire rope 14, and a chain block 15.
The first lifting lug 11 is welded and fixed to the upper end of the cantilever steel truss girder 100, the second lifting lug 12 is welded and fixed to the steel column 300 on the side end of the building body 200, the second lifting lug 12 is located on the side end of the steel column 300, and the second lifting lug 12 is located on one side of the steel column 300 close to the cantilever steel truss girder 100.
One end of the first steel wire rope 13 is fixedly connected with the first lifting lug 11, the other end of the first steel wire rope 13 is a free end, one end of the second steel wire rope 14 is fixedly connected with the second lifting lug 12, and the other end of the second steel wire rope 14 is a free end.
Referring to fig. 1 to 3, both ends of the chain block 15 are respectively connected and fixed to the free ends of the first and second wire ropes 13 and 14, and the chain block 15 can tighten the first and second wire ropes 13 and 14.
When the novel steel wire rope is used, the first steel wire rope 13 can pass through the first lifting lug 11 and then be connected and fixed with the chain block 15, and likewise, the second steel wire rope 14 can pass through the second lifting lug 12 and then be connected and fixed with the chain block 15, but the stability of connection is considered, and the first steel wire rope 13 and the second steel wire rope 14 are detached for convenience in later period. The cantilever device further comprises a first lock catch 16 used for connecting and fixing the first steel wire rope 13 and the first lifting lug 11, and a second lock catch 17 used for connecting and fixing the second steel wire rope 14 and the second lifting lug 12, wherein two ends of the first lock catch 16 respectively penetrate through the first lifting lug 11 and the first steel wire rope 13 and then are connected and fixed with the first steel wire rope 13 and the first lifting lug 11, and two ends of the second lock catch 17 respectively penetrate through the second lifting lug 12 and the second steel wire rope 14 and then are connected and fixed with the second steel wire rope 14 and the second lifting lug 12.
Referring to fig. 4, in order to improve tensile strength and tear strength of the first lifting lug 11 and the second lifting lug 12, a first reinforcing ring 18 is fixed on an inner wall of a hole of the first lifting lug 11, and in use, the first lock catch 16 passes through the first reinforcing ring 18 and is fixedly connected with the first reinforcing ring 18, and a first reinforcing plate 19 is welded and fixed at a side end of the first lifting lug 11, and the first reinforcing plate 19 is located at a side of the first lifting lug 11 far away from the first steel wire rope 13.
Referring to fig. 5, a second reinforcing ring 20 is fixed on the inner wall of the hole of the second lifting lug 12, and in use, the second lock catch 17 passes through the second reinforcing ring 20 and is fixedly connected with the second reinforcing ring 20, and a second reinforcing plate 21 is welded and fixed at the side end of the second lifting lug 12, and the second reinforcing plate 21 is located at the side of the second lifting lug 12 away from the second steel wire rope 14.
Further, referring to fig. 1 to 6, since the cantilever steel truss girder 100 has a heavy weight, in order to improve stability of the steel column 300 at the side end of the building body 200, the cantilever device further includes a diagonal column 22, the diagonal column 22 is used for tightening and fixing the steel column 300, the bottom of the diagonal column 22 is fixed on the floor slab of the building body 200, the top of the side end of the diagonal column 22 is fixed with the steel column 300 through a bolt connection, the diagonal column 22 is located at one side of the steel column 300 far away from the second steel wire rope 14, and the diagonal column 22, the first steel wire rope 13 and the second steel wire rope 14 are located in the same plane, so that tension of the diagonal column 22 balances tension of the second steel wire rope 14 to the steel column 300.
And considering that the diagonal brace 22 is not always located in the same plane with the first steel wire rope 13 and the second steel wire rope 14 in actual installation, the cantilever device further comprises an diagonal brace 23, the diagonal brace 23 is also used for tensioning and fixing the steel brace 300, the bottom of the diagonal brace 23 is fixed on a floor slab of the building body 200, the top of the side end of the diagonal brace 23 is fixed with the steel brace 300 through bolt connection, the diagonal brace 23 is located at the side end of the steel brace 300, and the diagonal brace 23 is located between the cantilever steel truss girder 100 and the diagonal brace 22.
When the cantilever steel truss girder 100 is used, the whole cantilever steel truss girder 100 is large, so when the cantilever device is utilized to cantilever and hoist the cantilever steel truss girder 100, the cantilever device is utilized to cantilever and pull one cross beam, then the foundation girder body structures of the cantilever steel truss girders 100 such as other vertical girders, cross beams, oblique pull girders and the like are gradually installed and spliced based on the cross beam until the whole cantilever steel truss girder 100 is installed, then the template is supported, and finally concrete is poured.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (9)
1. The utility model provides a steel truss girder encorbelments device of encorbelmenting which characterized in that includes:
The first lifting lug is fixed at the upper end of the cantilever steel truss girder;
the second lifting lug is fixed at the side end of the steel column of the building body;
One end of the first steel wire rope is fixedly connected with the first lifting lug, and the other end of the first steel wire rope is a free end;
A second wire rope with one end fixedly connected with the second lifting lug and the other end being a free end, and
And the two ends of the chain block are fixedly connected with the free ends of the first steel wire rope and the second steel wire rope respectively and are used for tensioning the first steel wire rope and the second steel wire rope.
2. The cantilever steel truss girder cantilever device according to claim 1, further comprising a first lock catch for connecting and fixing the first steel wire rope and the first lifting lug, wherein two ends of the first lock catch are fixedly connected with the first steel wire rope and the first lifting lug respectively.
3. The cantilever steel truss girder cantilever device according to claim 1, further comprising a second lock catch for connecting and fixing a second steel wire rope and a second lifting lug, wherein two ends of the second lock catch are fixedly connected with the second steel wire rope and the second lifting lug respectively.
4. The cantilever steel truss girder cantilever device according to claim 1, wherein the inner wall of the first lifting lug is fixed on a first reinforcing ring, and the first reinforcing ring is fixedly connected with the first steel wire rope.
5. The cantilever steel truss girder cantilever device according to claim 1, wherein a first reinforcing plate is fixed on the first lifting lug, and the first reinforcing plate is located at a side end, far away from the first steel wire rope, of the first lifting lug.
6. The cantilever steel truss girder cantilever device according to claim 1, wherein a second reinforcing ring is fixed on the second lifting lug, and the second reinforcing ring is fixedly connected with a second steel wire rope.
7. The cantilever steel truss girder cantilever device according to claim 1, wherein a second reinforcing plate is fixed on the second lifting lug, and the second reinforcing plate is located at a side end, far away from the second steel wire rope, of the second lifting lug.
8. The cantilever steel truss girder cantilever device according to claim 1, further comprising a diagonal strut for tensioning and fixing the steel strut, wherein the diagonal strut is located at a side of the steel strut away from the second wire rope.
9. The cantilever steel truss girder cantilever device according to claim 1, further comprising a diagonal strut for tightening and fixing the steel column, the diagonal strut being located at a side end of the steel column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422763494.0U CN223330101U (en) | 2024-11-12 | 2024-11-12 | A cantilever device for cantilevering steel truss beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422763494.0U CN223330101U (en) | 2024-11-12 | 2024-11-12 | A cantilever device for cantilevering steel truss beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223330101U true CN223330101U (en) | 2025-09-12 |
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ID=96982179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422763494.0U Active CN223330101U (en) | 2024-11-12 | 2024-11-12 | A cantilever device for cantilevering steel truss beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223330101U (en) |
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2024
- 2024-11-12 CN CN202422763494.0U patent/CN223330101U/en active Active
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