CN216471726U - Lifting appliance for lifting modular reinforcing steel bars of cable-stayed bridge pylon beam - Google Patents
Lifting appliance for lifting modular reinforcing steel bars of cable-stayed bridge pylon beam Download PDFInfo
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- CN216471726U CN216471726U CN202122782225.5U CN202122782225U CN216471726U CN 216471726 U CN216471726 U CN 216471726U CN 202122782225 U CN202122782225 U CN 202122782225U CN 216471726 U CN216471726 U CN 216471726U
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Abstract
The utility model relates to a lifting appliance for lifting modular steel bars of a cable-stayed bridge tower beam, which comprises a rectangular frame formed by welding two main beams and two main longitudinal beams, wherein an auxiliary longitudinal beam parallel to the main longitudinal beams is welded between the two main beams, an auxiliary beam parallel to the main longitudinal beams is welded between the two main longitudinal beams, the auxiliary longitudinal beams and the auxiliary transverse beams are crossed, and the cross point is positioned in the center of the rectangular frame; two lifting lugs are symmetrically welded on the top surfaces of the two main cross beams or the main longitudinal beams respectively, and a plurality of hooks are connected to the main cross beams, the main longitudinal beams, the auxiliary cross beams and the auxiliary longitudinal beams respectively. The lifting hooks are connected with the steel reinforcement framework, the steel reinforcement framework is uniformly stressed, the steel reinforcement can be prevented from being deformed, and the lifting hooks can be used for ensuring the smooth modularized construction of the steel reinforcement of the cable tower beam.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, relates to the installation and construction of reinforcing steel bars of a cable-stayed bridge cable tower, and particularly relates to a lifting appliance for lifting modular reinforcing steel bars of a cross beam of the cable-stayed bridge cable tower.
Background
The cable tower steel reinforcement framework of the cable-stayed bridge is usually installed by binding steel reinforcement segments on site, but the steel reinforcement of a cable tower beam is installed in a suspension mode, so that the construction difficulty is high, the safety is low, and the installation precision of the steel reinforcement is difficult to guarantee. Therefore, the applicant provides a cable tower beam reinforcement modularized construction method, which is characterized in that a beam reinforcement framework is bound and formed on the ground and then integrally hoisted in place. However, the cable tower beam reinforcement framework is large in size and weight, and when a common lifting appliance is used for lifting, the construction quality of the reinforcement is affected because the lifting points are few and the reinforcement is easy to deform.
Disclosure of Invention
The utility model aims to solve the problems and provides a lifting appliance special for lifting modular steel bars of a cable-stayed bridge tower beam, so that the steel bar module is prevented from deforming during lifting.
The technical scheme of the utility model is as follows:
the utility model provides a hoist that is used for hoist and mount of cable-stay bridge cable tower crossbeam modularization reinforcing bar which characterized in that: the cross-shaped frame comprises a rectangular frame formed by welding two main cross beams and two main longitudinal beams, wherein an auxiliary longitudinal beam parallel to the main longitudinal beams is welded between the two main cross beams, an auxiliary cross beam parallel to the main cross beams is welded between the two main longitudinal beams, the auxiliary longitudinal beams and the auxiliary cross beams are crossed, and a cross point is positioned at the center of the rectangular frame; two lifting lugs are symmetrically welded on the top surfaces of the two main cross beams or the main longitudinal beams respectively, and a plurality of hooks are connected to the main cross beams, the main longitudinal beams, the auxiliary cross beams and the auxiliary longitudinal beams respectively.
The cable tower beam steel bar modularized construction system is welded by utilizing profile steels, is simple in structure and convenient to process, is provided with a plurality of lifting hooks to be connected with the steel bar framework, is uniform in stress of the steel bar framework, can avoid steel bar deformation, and can be used for guaranteeing smooth modular construction of the cable tower beam steel bars.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a side elevational view of the present invention;
FIG. 3 is a partial top view block diagram of a cross beam or stringer;
FIG. 4 is a partial side view block diagram of a cross beam or stringer;
FIG. 5 is a schematic view of the hook construction;
fig. 6 is a schematic view of a connection structure of the hook and the cross beam or the longitudinal beam.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises a rectangular frame formed by welding two main cross beams 1 and two main longitudinal beams 2, an auxiliary longitudinal beam 3 parallel to the main longitudinal beams is welded between the two main cross beams 1, an auxiliary cross beam 4 parallel to the main cross beams is welded between the two main longitudinal beams 2, the auxiliary longitudinal beams and the auxiliary cross beams are crossed, and the cross point is positioned at the center of the rectangular frame; two lifting lugs 5 are symmetrically welded on the top surfaces of the two main cross beams or the main longitudinal beams respectively, and a plurality of hooks 6 are connected on the main cross beams, the main longitudinal beams, the auxiliary cross beams and the auxiliary longitudinal beams respectively.
In the specific implementation of the utility model, in order to ensure the strength of the rectangular frame, a stiffening plate 7 can be respectively welded between the main cross beam 1 and the main longitudinal beam 2 at each angle in the rectangular frame, and a stiffening rib 8 is welded between the main cross beam and the main longitudinal beam just opposite to each angle; and a stiffening plate is also welded between the auxiliary cross beam 4 and the auxiliary longitudinal beam 3 at each corner at the cross of the auxiliary cross beam and the auxiliary longitudinal beam, and a stiffening rib is also welded between the auxiliary cross beam and the auxiliary longitudinal beam at each corner opposite to the cross.
In the specific implementation of the utility model, each hook 6 is formed by bending a section of steel bar, as shown in fig. 5 and 6, the lower end of the hook is U-shaped, and the upper end of the hook is inverted U-shaped. The upper ends of the hooks are hung on the main cross beam, the main longitudinal beam, the auxiliary cross beam and the auxiliary longitudinal beam.
As shown in fig. 3, 4 and 6, when the present invention is implemented, the main beam 1, the main longitudinal beam 2, the auxiliary beam 4 and the auxiliary longitudinal beam 5 may be made of i-steel, a plurality of slots 9 are respectively formed on both sides of the upper and lower flange plates at the connection hook, and the upper end of the hook is clamped in the slots.
When the crane is used, the crane is connected with 4 lifting lugs through the lifting ropes, each hook is connected with the steel bars of the cable tower beam steel bar module, the steel bar module is stressed at multiple points, and the steel bar deformation caused by local stress concentration can be avoided.
Claims (4)
1. The utility model provides a hoist that is used for hoist and mount of cable-stay bridge cable tower crossbeam modularization reinforcing bar which characterized in that: the cross-shaped frame comprises a rectangular frame formed by welding two main cross beams and two main longitudinal beams, wherein an auxiliary longitudinal beam parallel to the main longitudinal beams is welded between the two main cross beams, an auxiliary cross beam parallel to the main cross beams is welded between the two main longitudinal beams, the auxiliary longitudinal beams and the auxiliary cross beams are crossed, and a cross point is positioned at the center of the rectangular frame; two lifting lugs are symmetrically welded on the top surfaces of the two main cross beams or the main longitudinal beams respectively, and a plurality of hooks are connected to the main cross beams, the main longitudinal beams, the auxiliary cross beams and the auxiliary longitudinal beams respectively.
2. The lifting appliance for lifting modular steel bars of a cable-stayed bridge tower beam according to claim 1, characterized in that: each corner in the rectangular frame is respectively welded with a stiffening plate between the main cross beam and the main longitudinal beam, and a stiffening rib is welded between the main cross beam and the main longitudinal beam opposite to each corner; and a stiffening plate is also welded between the auxiliary cross beam and the auxiliary longitudinal beam at each corner at the intersection of the auxiliary cross beam and the auxiliary longitudinal beam, and a stiffening rib is also welded between the auxiliary cross beam and the auxiliary longitudinal beam opposite to each corner.
3. The lifting appliance for lifting modular steel bars of a cable-stayed bridge tower beam according to claim 1, characterized in that: each hook is formed by bending a section of steel bar, the lower end of each hook is U-shaped, the upper end of each hook is inverted U-shaped, and the upper end of each hook is hung on the main cross beam, the main longitudinal beam, the auxiliary cross beam and the auxiliary longitudinal beam.
4. The lifting appliance for lifting modular steel bars of a cable-stayed bridge tower beam according to claim 1, characterized in that: the main cross beam, the main longitudinal beam, the auxiliary cross beam and the auxiliary longitudinal beam are all made of I-steel, a plurality of clamping grooves are formed in two sides of an upper flange plate and a lower flange plate at the positions of connecting hooks respectively, and the upper ends of the hooks are clamped in the clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122782225.5U CN216471726U (en) | 2021-11-14 | 2021-11-14 | Lifting appliance for lifting modular reinforcing steel bars of cable-stayed bridge pylon beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122782225.5U CN216471726U (en) | 2021-11-14 | 2021-11-14 | Lifting appliance for lifting modular reinforcing steel bars of cable-stayed bridge pylon beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216471726U true CN216471726U (en) | 2022-05-10 |
Family
ID=81451184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122782225.5U Active CN216471726U (en) | 2021-11-14 | 2021-11-14 | Lifting appliance for lifting modular reinforcing steel bars of cable-stayed bridge pylon beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216471726U (en) |
-
2021
- 2021-11-14 CN CN202122782225.5U patent/CN216471726U/en active Active
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