CN214087285U - Light lifting appliance for hoisting lattice beam cable of arch bridge - Google Patents
Light lifting appliance for hoisting lattice beam cable of arch bridge Download PDFInfo
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- CN214087285U CN214087285U CN202023043704.7U CN202023043704U CN214087285U CN 214087285 U CN214087285 U CN 214087285U CN 202023043704 U CN202023043704 U CN 202023043704U CN 214087285 U CN214087285 U CN 214087285U
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- lattice beam
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Abstract
The utility model discloses a light sling for hoisting an arch bridge lattice beam cable; the large-span steel structure arch bridge usually adopts lattice beams as a main structure of a traffic lane system; when the transverse width of the lattice beam is smaller than that of the arch rib and the lifting lugs are not arranged in enough space on the two sides of the lattice beam, the arch bridge is hoisted by adopting the cable crane, and a specially-made hoist is needed to hoist. The function of such spreaders is to "widen" the narrow beam, providing a reliable lifting point for the crane. The light lattice beam lifting appliance provided by the patent has the advantages of light dead weight, simplicity and convenience in operation, low construction cost and the like besides meeting the function.
Description
Technical Field
The utility model relates to a construction equipment correlation's technical field, what specifically say is a light-duty hoist of arched bridge lattice beam cable hoist and mount.
Background
The large-span steel structure arch bridge usually adopts lattice beams as a main structure of a traffic lane system. When the transverse width of the lattice beam is smaller than that of the arch rib and the lifting lugs are not arranged in enough space on the two sides of the lattice beam, the arch bridge is hoisted by adopting the cable crane, and a specially-made hoist is needed to hoist. The function of such spreaders is to "widen" the narrow beam, providing a reliable lifting point for the crane. At present, most of the engineering practices use a shoulder pole beam with a width wider than the transverse width of a lattice beam and an arch rib as a lifting appliance, when the lattice beam is lifted, the lattice beam is lifted on the shoulder pole beam, and the lifting hooks of a cable crane lift the two ends of the shoulder pole beam so as to realize the lifting of the lattice beam. In addition, there are some lifting devices, which are connected to the top plate, the bottom plate, etc. of the lattice beam to realize the transverse "widening" of the lattice beam. The lifting appliances have the defects of great weight, inconvenient operation, high construction cost and the like.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiencies, the utility model provides a light hanger for hoisting an arch bridge lattice beam cable; the large-span steel structure arch bridge usually adopts lattice beams as a main structure of a traffic lane system; when the transverse width of the lattice beam is smaller than that of the arch rib and the lifting lugs are not arranged in enough space on the two sides of the lattice beam, the arch bridge is hoisted by adopting the cable crane, and a specially-made hoist is needed to hoist. The function of such spreaders is to "widen" the narrow beam, providing a reliable lifting point for the crane. The light lattice beam lifting appliance provided by the patent has the advantages of light dead weight, simplicity and convenience in operation, low construction cost and the like besides meeting the function.
The utility model is realized in such a way, a light sling for hoisting the lattice beam cable of the arch bridge is constructed, which is characterized in that;
the light lifting appliance is provided with a beam body, lifting lugs and splicing plates; the lifting lug is welded at the end part of the beam body;
the splice plates are divided into a web plate splice plate, an upper flange splice plate and a lower flange splice plate; drilling bolt holes at corresponding positions of the web splicing plate, the upper flange splicing plate and the lower flange splicing plate; the web splicing plates, the upper flange splicing plates and the lower flange splicing plates are connected with the grid beam through bolts.
The utility model relates to a light sling for hoisting an arch bridge lattice beam cable, which is characterized in that the sling comprises a hanger body and a hanger rod; the beam body is an I-shaped steel beam formed by welding steel plates, and the steel beam can be designed into a variable cross-section steel beam according to the stress condition.
The utility model relates to a light sling for hoisting an arch bridge lattice beam cable, which is characterized in that the sling comprises a hanger body and a hanger rod; before hoisting, the grid beam hanger is connected with a hoisting point fork lug of a cable crane through a pin shaft and stays above a hoisting position, after the grid beam is transported to the hoisting position, the grid beam is butted with a web plate, a top plate and a bottom plate of the hanger, splice plates are installed, bolts (common bolts) are screwed, the connection between the hanger and the grid beam is completed, the transverse widening of the grid beam is realized, and the cable crane can start hoisting; after the hoisting of each section of lattice beam is finished, the bolt connection is removed, and the hoisting of the next section of lattice beam can be circularly carried out.
The utility model has the advantages of as follows: the utility model provides a light sling for hoisting an arch bridge lattice beam cable through improvement, which is divided into three parts, namely a beam body, a lifting lug and a splice plate; the lifting appliance described in the patent has the advantages of light weight, simplicity and convenience in operation and low construction cost. When the transverse width of the lattice beam is smaller than that of the arch rib and the lifting lugs are not arranged in enough space on the two sides of the lattice beam, the arch bridge is hoisted by adopting the cable crane, and a specially-made hoist is needed to hoist. The function of such spreaders is to "widen" the narrow beam, providing a reliable lifting point for the crane. The light lattice beam lifting appliance provided by the patent has the advantages of light dead weight, simplicity and convenience in operation, low construction cost and the like besides meeting the function.
Drawings
FIG. 1 is a schematic view of the lattice beam hoisting of the present invention;
FIG. 2 is a detailed view of the connection between the spreader and the lattice beam;
FIG. 3 is a schematic view of the spreader assembly;
FIG. 4 is a schematic view of a web splice plate;
FIG. 5 is a schematic view of the top and bottom flange splice plates.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an arch bridge lattice beam cable hoisting light sling through improvement, as shown in figures 1-5, which can be implemented as follows;
the lifting appliance is divided into three parts, namely a beam body 1, lifting lugs 2 and splicing plates. The beam body is an I-shaped steel beam formed by welding steel plates, and the steel beam can be designed into a variable cross-section steel beam according to the stress condition; the lifting lug is welded at the end part of the beam body; the splice plates are divided into a web splice plate 3, an upper flange splice plate 4 and a lower flange splice plate 5. According to the stress calculation, bolt holes 7 are drilled in the web plate, the upper flange plate and the lower flange plate of the connecting part of the steel beam and the lattice beam of the lifting appliance, and bolt holes are drilled in the corresponding positions of the splicing plates. All drilling work can be done in the gridwork factory.
Before hoisting, the grid beam hanger is connected with a hoisting point fork lug 6 of a cable crane through a pin shaft and stays above a hoisting position, after the grid beam is transported to the hoisting position, the grid beam is butted with a web plate, a top plate and a bottom plate of the hanger, splicing plates are installed, bolts (common bolts) are screwed, the connection between the hanger and the grid beam is completed, the transverse widening of the grid beam is realized, and the cable crane can start hoisting. After the hoisting of each section of lattice beam is finished, the bolt connection is removed, and the hoisting of the next section of lattice beam can be circularly carried out.
This patent has following advantage and beneficial effect: the lifting appliance described in the patent has the advantages of light weight, simplicity and convenience in operation and low construction cost. When the transverse width of the lattice beam is smaller than that of the arch rib and the lifting lugs are not arranged in enough space on the two sides of the lattice beam, the arch bridge is hoisted by adopting the cable crane, and a specially-made hoist is needed to hoist. The function of such spreaders is to "widen" the narrow beam, providing a reliable lifting point for the crane. The light lattice beam lifting appliance provided by the patent has the advantages of light dead weight, simplicity and convenience in operation, low construction cost and the like besides meeting the function.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (2)
1. A light sling for hoisting a lattice beam cable of an arch bridge is characterized in that the sling comprises a hanger body and a hanger rod;
the light lifting appliance is provided with a beam body (1), lifting lugs (2) and splicing plates;
the lifting lug (2) is welded at the end part of the beam body (1);
the splice plates are divided into a web splice plate (3), an upper flange splice plate (4) and a lower flange splice plate (5); drilling bolt holes (7) at corresponding positions of the web splicing plate (3), the upper flange splicing plate (4) and the lower flange splicing plate (5); the web splicing plate (3), the upper flange splicing plate (4) and the lower flange splicing plate (5) are connected with the grid beam through bolts.
2. The arch bridge lattice beam cable hoisting light-duty sling according to claim 1, wherein; the beam body (1) is an I-shaped steel beam formed by welding steel plates, and the steel beam can be designed into a variable cross-section steel beam according to the stress condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043704.7U CN214087285U (en) | 2020-12-17 | 2020-12-17 | Light lifting appliance for hoisting lattice beam cable of arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043704.7U CN214087285U (en) | 2020-12-17 | 2020-12-17 | Light lifting appliance for hoisting lattice beam cable of arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214087285U true CN214087285U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023043704.7U Active CN214087285U (en) | 2020-12-17 | 2020-12-17 | Light lifting appliance for hoisting lattice beam cable of arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087285U (en) |
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2020
- 2020-12-17 CN CN202023043704.7U patent/CN214087285U/en active Active
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