Hanging basket transformation lifting appliance for lifting and hoisting large-span box girder
By modifying existing hanging basket equipment into a hanging basket-modified lifting device, and combining it with components such as lifting jacks and lateral jacks, the problems of complex structure and poor adaptability of traditional lifting equipment have been solved, achieving efficient and precise lifting results, and making it suitable for the construction of bridges of various specifications.
Patent Information
- Application Number
- CN202520372793.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Traditional hoisting equipment has a complex structure, is cumbersome to assemble and disassemble, has poor adaptability, and is difficult to meet the hoisting needs of bridges with different large spans. In addition, it has low construction efficiency and is difficult to guarantee accuracy in narrow spaces and complex environments.
The hanging basket is modified to include lifting jacks, lateral jacks, lifting rods, positioning frames and lifting tools. By modifying the existing hanging basket equipment, the lifting, lateral movement and accurate positioning of large-span box girders can be achieved. It is suitable for hoisting steel-concrete composite beam segments and steel box girder segments of various specifications.
It saves on equipment procurement and transportation costs, improves resource utilization, simplifies operating procedures, shortens construction cycles, improves construction efficiency and precision, and adapts to various bridge construction needs.
Smart Images
Figure CN223823264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of bridge construction equipment, and specifically relates to a hanging basket reconstruction lifting appliance for lifting and hoisting a large-span box girder. BACKGROUND
[0002] In the construction process of a large-span bridge, the lifting work of a steel-concrete combination girder section and a steel box girder section is the core point of the whole project, and directly relates to the stability and safety of the bridge structure. However, the traditional lifting equipment currently applied exposes many problems that cannot be ignored.
[0003] From the perspective of structural design, most traditional lifting equipment structures are complex, composed of a large number of components, and the assembly and disassembly process is extremely tedious, not only consuming a large amount of manpower and time, but also increasing the risk of equipment failure. Once a component is damaged, the repair difficulty and cost are high. In terms of adaptability, the generalizability of the traditional lifting appliance is poor. The steel-concrete combination girder section and the steel box girder section of different large-span bridges differ significantly in size, weight and structural form, and the conventional lifting appliance is difficult to adapt flexibly. When facing narrow construction sites, such as erecting a bridge on an urban river, large conventional lifting appliances are difficult to enter the construction site due to their large size, or cannot effectively perform operations in limited space, resulting in blocked construction progress. Moreover, for different specifications of box girders, equipment components often need to be frequently replaced, which not only reduces the construction efficiency, but also increases the equipment rental or purchase cost. In terms of ensuring lifting precision and stability, the existing technology also has shortcomings. The lifting of a large-span box girder requires high precision, and small deviations may cause safety hazards during long-term use of the bridge. When dealing with complex construction site environments, such as strong winds and terrain undulations, the traditional lifting equipment is difficult to ensure stable lifting operations and cannot stably control the position and attitude of the box girder, making it difficult to meet the strict requirements of current bridge construction for high quality and high precision.
[0004] With the rapid development of the bridge construction industry, higher expectations for the efficiency, adaptability and precision of lifting equipment are put forward, and it is urgent to develop a new type of lifting equipment. SUMMARY
[0005] The utility model aims at the above problems existing in the prior art, and provides a hanging basket reconstruction lifting appliance for lifting and hoisting a large-span box girder.
[0006] In order to achieve the above application purposes, the utility model adopts the following technical scheme: the hanging basket reconstruction lifting appliance for lifting and hoisting large-span box girder, including lifting jack, transverse moving jack, lifting rod, positioning frame, lifting appliance, hanging basket truss, the lifting jack is connected with lifting rod; the transverse moving jack and upper cross beam are all installed on the hanging basket truss, the transverse moving jack is connected with the upper cross beam, the transverse moving jack is used for driving the front upper cross beam to move horizontally, the positioning frame is connected with the lower part of lifting rod, the lower part of positioning frame is provided with connecting lug plate, the connecting lug plate is connected with positioning frame through connecting bolt, and the lifting appliance is connected below the connecting lug plate.
[0007] As preferred, the lifting appliance is connected with the lifting ring on the top of the steel-concrete combined section girder.
[0008] As preferred, the positioning frame is provided with lifting sleeve, the lifting rod passes through the lifting sleeve, the two sides of the lifting sleeve are respectively provided with first connecting shaft, the positioning frame is provided with second connecting shaft corresponding to the first connecting shaft, and the first connecting shaft and the corresponding second connecting shaft are provided with adjusting inclined rod, and the two ends of the adjusting inclined rod are respectively rotationally connected with the first connecting shaft and the second connecting shaft.
[0009] As preferred, the adjusting inclined rod is a screw telescopic rod.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1) the existing hanging basket after pouring is used for reconstruction, without needing to additionally purchase brand-new large hoisting equipment, so that the equipment procurement cost and transportation cost are greatly saved, and the resource utilization rate is improved.
[0012] 2) the structure design is reasonable, and each component works smoothly.
[0013] 3) the lifting appliance is suitable for hoisting operations of steel-concrete combined girder sections and steel box girder sections of various specifications, can meet the needs of different long-span bridge constructions, and has wide application prospect. DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.
[0015] Fig. 1 It is hanging basket reconstruction lifting appliance installation schematic diagram;
[0016] Fig. 2 It is lifting appliance detail schematic diagram.
[0017] In the figure: 16, concrete box girder; 17, hanging basket truss; 30, front upper cross beam; 41, steel-concrete combined section girder; 42, lifting jack; 43, transverse moving jack; 44, lifting rod; 45, lifting sleeve; 46, first connecting shaft; 47, adjusting diagonal rod; 48, connecting bolt; 49, positioning frame; 50, connecting lug plate; 51, lifting appliance; 52, lifting ring. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0019] Please refer to Figs. 1-2 In the figure, the hanging basket transformation lifting appliance for lifting and hoisting the large-span box girder is provided in the embodiment, and the hanging basket transformation lifting appliance for lifting and hoisting the large-span box girder is transformed from the hanging basket after the concrete box girder 16 is poured, and the hanging basket transformation lifting appliance is used for hoisting and lifting the subsequent steel-concrete combined girder section and steel box girder section. The hanging basket transformation lifting appliance comprises a lifting jack 42, a transverse moving jack 43, a lifting rod 44, a positioning frame 49, a lifting appliance 51, a front upper cross beam 30 and a hanging basket truss 17.
[0020] The lifting jack 42 is arranged at the top of the whole hanging basket transformation lifting appliance to provide vertical lifting force, and the lifting jack 42 is connected with the lifting rod 44; the transverse moving jack 43 and the front upper cross beam 30 are both installed on the hanging basket truss 17, the transverse moving jack 43 is connected with the upper cross beam 30, the transverse moving jack 43 is used to drive the front upper cross beam 30 to move transversely, drives the lifting rod 44 and the steel-concrete combined beam segment to move transversely to adjust the position, and provides transverse positioning for hoisting and positioning; the lifting jack 42 is installed on the front upper cross beam 30, and when the lifting jack 42 lifts the object, the force is transmitted to the whole hanging basket truss 17 through the upper cross beam 30; the lifting rod 44 bears the function of lifting the steel-concrete combined beam segment, the upper part of the lifting rod 44 is connected with the lifting jack 42, the lower part of the lifting rod 44 is connected with the positioning frame 49, the connecting lug plate 50 is arranged below the positioning frame 49, the connecting lug plate 50 is connected with the positioning frame 49 through the connecting bolt 48, the connecting lug plate 50 is installed as a connecting node to install the lifting appliance 51, the lifting appliance 51 is connected below the connecting lug plate 50, and the lifting appliance 51 is connected with the lifting ring 52 at the top of the steel-concrete combined segment beam 41. The positioning frame 49 is provided with the lifting sleeve 45, the lifting rod 44 passes through the lifting sleeve 45, the two sides of the lifting sleeve 45 are respectively provided with the first connecting shaft 46, the positioning frame 49 is provided with the second connecting shaft corresponding to the first connecting shaft 46, the first connecting shaft 46 and the corresponding second connecting shaft are provided with the adjusting inclined rod 47, and the two ends of the adjusting inclined rod 47 are rotatably connected with the first connecting shaft 46 and the second connecting shaft. In the embodiment, the adjusting inclined rod 47 is a threaded telescopic rod, and the length of the adjusting inclined rod 47 is adjustable. The position of the lifting sleeve 45 can be adjusted through the adjusting inclined rod 47, so that the lifting sleeve 45 is aligned with the connecting position of the lifting rod 44 and the positioning frame 49, and the lifting rod 44 can pass through the lifting sleeve 45. The lifting sleeve 45 protects the connecting position of the lifting rod 44 and the positioning frame 49.
[0021] The steel-concrete combined segment beam 41 is a large-span box girder main body to be hoisted, and is the object of the whole hoisting operation. The whole system realizes lifting, transverse moving and accurate hoisting and positioning of the large-span box girder through the cooperative work of various structures.
Claims
1. A modified formwork lifting device for hoisting large-span box girders, characterized in that: The equipment includes a lifting jack (42), a horizontal jack (43), a lifting rod (44), a positioning frame (49), a lifting device (51), and a hanging basket truss (17). The lifting jack (42) is connected to the lifting rod (44). The horizontal jack (43) and the upper crossbeam (30) are both installed on the hanging basket truss (17). The horizontal jack (43) is connected to the upper crossbeam (30). The horizontal jack (43) is used to drive the upper crossbeam (30) to move laterally. The lower part of the lifting rod (44) is connected to the positioning frame (49). A connecting ear plate (50) is provided below the positioning frame (49). The connecting ear plate (50) is connected to the positioning frame (49) through a connecting bolt (48). The lifting device (51) is connected to the lower part of the connecting ear plate (50).
2. The modified hanging basket lifting device for lifting and hoisting large-span box girders according to claim 1, characterized in that, The lifting device (51) is connected to the lifting ring (52) at the top of the steel-concrete composite beam (41).
3. The modified formwork lifting device for lifting and hoisting large-span box girders according to claim 1, characterized in that, The positioning frame (49) is provided with a lifting sleeve (45), and the lifting rod (44) passes through the lifting sleeve (45). The two sides of the lifting sleeve (45) are respectively provided with a first connecting shaft (46). The positioning frame (49) is provided with a second connecting shaft corresponding to the first connecting shaft (46). An adjusting rod (47) is provided between the first connecting shaft (46) and the corresponding second connecting shaft. The two ends of the adjusting rod (47) are rotatably connected to the first connecting shaft (46) and the second connecting shaft respectively.
4. The modified formwork lifting device for lifting and hoisting large-span box girders according to claim 3, characterized in that, The adjusting rod (47) is a threaded telescopic rod.