CN220223315U - Self-climbing bridge arch frame lifting machine - Google Patents
Self-climbing bridge arch frame lifting machine Download PDFInfo
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- CN220223315U CN220223315U CN202322152101.8U CN202322152101U CN220223315U CN 220223315 U CN220223315 U CN 220223315U CN 202322152101 U CN202322152101 U CN 202322152101U CN 220223315 U CN220223315 U CN 220223315U
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Abstract
The utility model relates to the technical field of cranes, and provides a self-climbing bridge arch hoist which comprises a main truss system, a climbing system, a lifting system and a traveling system, wherein the main truss system comprises a main truss system body and a self-climbing system body; the main truss system comprises an upper cross beam, supporting legs and a main beam frame, wherein the upper cross beam is supported by two adjacent supporting legs, the main beam frames are arranged below the end parts of the two adjacent upper cross beams, and the supporting legs comprise a plurality of tower crane standard sections; the climbing system comprises a hoisting structure, a sleeve frame and a jacking mechanism, wherein the hoisting structure for hoisting the standard section of the tower crane is arranged on the outer side of the standard section of the tower crane which is higher than the last time of the supporting leg, the sleeve frame is sleeved outside the standard section of the tower crane which is higher than the last time, the jacking mechanism is arranged in the sleeve frame, and the jacking mechanism is used for providing a space for increasing the standard section of the tower crane; the elevator has the advantages of small weight, good stability and small requirement on the bearing capacity of the foundation; the processing is convenient, the commodity rotation rate and market circulation are strong, and the economical efficiency is good; simple structure can realize automatic climbing and descending, and the flexibility is higher.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a self-climbing bridge arch frame lifting machine.
Background
The arch frame is a member for supporting upper load by an arch bridge, and the existing bridge arch frame is mostly lifted and installed by adopting equipment such as a tower crane, a crawler crane, an automobile crane and the like. The tower crane has higher lifting height, but the weight of a lifting object is smaller, the lifting work cannot be completed aiming at an arch frame with larger weight, the position is fixed, and the lifting work with the position changed frequently cannot be completed; the crawler crane has large lifting weight and can lift and walk, but has large self weight, has higher requirements on the bearing capacity of the foundation and the stability of the foundation, and is troublesome to disassemble and assemble; the hoisting capacity range of the automobile crane is large, the automobile crane can be quickly transferred, but cannot run under load, and the requirement on the foundation of a construction site is high.
The patent of present application number 202023205016.6 discloses a construction equipment for setting up steel truss girder and promotion arch rib, includes a plurality of follow the sub construction equipment that bridge longitudinal interval set up, every sub construction equipment all includes: the temporary pier, two towers, a connecting platform and a lifting assembly; the two towers are transversely arranged on the temporary piers at intervals along the bridge; the connecting platform is arranged at the top ends of the two towers and is connected with the two towers; the lifting assembly is arranged on the connecting platform and is used for lifting the arch rib. The construction device for erecting the steel truss girder and lifting the arch rib comprises a plurality of sub construction devices which are arranged at intervals along the longitudinal direction of the bridge, wherein each sub construction device is provided with two towers on a temporary pier, lifting assemblies are arranged on the two towers, the positions of the sub construction devices are relatively fixed, the lifting work with the position frequently changed cannot be completed, the requirements on the bearing capacity of a foundation and the stability of the foundation are relatively high, and the use is inconvenient.
Therefore, in order to solve the problems, a self-climbing bridge arch hoist is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the self-climbing bridge arch hoist is developed, and has the advantages of small weight, good stability and small bearing capacity requirement on a foundation; the processing is convenient, the commodity rotation rate and market circulation are strong, and the economical efficiency is good; simple structure can realize automatic climbing and descending, and the flexibility is higher.
The technical scheme for solving the technical problems is as follows: the utility model provides a self-climbing bridge arch lifting machine, which comprises a main truss system, a climbing system, a lifting system and a traveling system, wherein the main truss system is connected with the climbing system;
the main truss system comprises an upper cross beam, supporting legs and a main beam frame, wherein the upper cross beam is supported by two adjacent supporting legs, the main beam frames are arranged below the end parts of the two adjacent upper cross beams, and the supporting legs comprise a plurality of tower crane standard sections;
the climbing system comprises a hoisting structure, a sleeve frame and a jacking mechanism, wherein the hoisting structure for hoisting the standard section of the tower crane is arranged on the outer side of the standard section of the tower crane which is higher than the last time of the supporting leg, the sleeve frame is sleeved outside the standard section of the tower crane which is higher than the last time, the jacking mechanism is arranged in the sleeve frame, and the jacking mechanism is used for providing a space for increasing the standard section of the tower crane;
the lifting system is arranged on the upper cross beam and used for lifting the bridge arch;
the traveling system is arranged at the bottom of the supporting leg and used for moving the bridge arch lifting machine.
As optimization, the hoisting structure comprises a cantilever frame and an electric hoist, wherein the cantilever frame is arranged on the outer side of a tower crane standard knot which is higher than the supporting leg last time, the electric hoist is arranged on the cantilever frame, a propelling platform for containing the tower crane standard knot to be installed is arranged at the bottom of the sleeve frame, and the propelling platform is located below the cantilever frame.
As optimization, the girder frame comprises a big girder and a small girder, wherein the big girder is connected with the lower parts of the end parts of two adjacent upper girders, the small girder is rotatably arranged at the two ends of the big girder, when the small girder horizontally extends and is arranged, the free end of the small girder is connected with the upper girder end through a lifting steel belt, and when the small girder is folded and arranged, the free end of the small girder is connected with the upper girder end through a chain block.
As optimization, the end parts of the two upper cross beams are also provided with upper cross links, and the upper cross links are positioned above the main beams.
As an optimization, the lifting system comprises a crown block, and the crown block is arranged on the large main beam in a sliding manner.
As optimization, four supporting legs are arranged, and a connecting cross-link and an inclined stay wire which are used for connecting and maintaining are arranged between the adjacent supporting legs.
As optimization, the traveling system comprises traveling beams and traveling mechanisms, wherein the traveling beams are arranged at the bottoms of the supporting legs, four groups of traveling mechanisms are uniformly arranged at the bottoms of the traveling beams, and each group of traveling mechanisms comprises four traveling wheels.
The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:
1. the whole mechanism of the arch frame hoister adopts a portal frame, has small weight, better stability and small requirement on the bearing capacity of the foundation;
2. the support leg consists of a tower crane standard section, the standard section belongs to a universal structure, the standard section has high standardization level, convenient processing, high commodity turning rate, high market fluxion and better economy;
3. the automatic climbing landing device has a simple structure, can realize automatic climbing landing, and can realize an automatic climbing landing function without the assistance of additional equipment; the hydraulic system is used for the automatic climbing and landing function, the jacking process is stable and efficient, the automation degree is high, and the construction efficiency is high;
4. the travelling device adopts travelling wheels, can move, install and operate on a road surface with relatively narrow width, has low requirements on ground conditions, can move at any time by adopting motor driving for the active travelling wheels, and has extremely strong adaptability;
5. the main beam is foldable, so that the hoister can smoothly pass through piers with different widths, and the flexibility is high; when the width of the bridge arch is limited, the small main beam lug plate connecting pin shaft and the high-strength bolt are removed, and the chain block is loosened, so that the small main beam rotates around a certain point, and the width of the arch hoist is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a folding view of the main beam of the present utility model;
FIG. 3 is an enlarged view of a portion of the main beam of the present utility model when folded;
fig. 4 is a block diagram of a climbing system of the present utility model.
In the figure, 1, lifting a steel belt; 2. an upper cross beam; 3. a large main beam; 4. upper cross connection; 5. a small main beam; 6. a crown block; 7. obliquely pulling the wire; 8. a support leg; 9. connecting the transverse links; 10. a walking beam; 11. a walking wheel; 12. cantilever frame; 13. an electric hoist; 14. a sleeve frame; 15. chain block; 16. a propulsion platform; 17. a jacking mechanism; 18. and (5) a tower crane standard section.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, a self-climbing bridge arch hoist comprises a main truss system, a climbing system, a lifting system and a traveling system; the main truss system comprises an upper cross beam 2, supporting legs 8 and a main beam frame, wherein the upper cross beam 2 is supported by two adjacent supporting legs 8 and can be connected by bolts; the main beam frames are arranged below the end parts of the two adjacent upper beams 2, the supporting legs 8 comprise a plurality of tower crane standard sections 18, the tower crane standard sections 18 belong to a universal structure, the standardization degree is high, the processing is convenient, the commodity rotation rate and the market circulation are strong, and the economical efficiency is good; the climbing system comprises a hoisting structure, a sleeve frame 14 and a jacking mechanism 17, wherein the hoisting structure for hoisting the standard tower crane section 18 is arranged at the outer side of the standard tower crane section 18 with the last height of the supporting leg 8, the sleeve frame 14 is sleeved outside the standard tower crane section 18 with the next height, the jacking mechanism 17 is arranged in the sleeve frame 14, and the jacking mechanism 17 is used for providing a space for increasing the standard tower crane section 18; by arranging the climbing system, the structure is simple, and the automatic climbing landing can be realized; the lifting system is arranged on the upper cross beam 2 and is used for lifting the bridge arch; the traveling system is arranged at the bottom of the supporting leg 8 and used for moving the bridge arch lifting machine.
In this embodiment, the hoisting structure includes cantilever frame 12 and electric block 13, cantilever frame 12 sets up the tower crane standard festival 18 outside that landing leg 8 was last high, set up electric block 13 on the cantilever frame 12, the cover frame 14 bottom sets up the propulsion platform 16 that is used for holding the tower crane standard festival 18 that waits to install, propulsion platform 16 is located cantilever frame 12 below, electric block 13 can slide on cantilever frame 12, electric block 13 moves to the tower crane standard festival 18 of suitable position lifting ground, hang to cover frame 14, place on the propulsion platform 16 of cover frame 14, climbing mechanism 17 starts, climbing mechanism 17 can be hydraulic jacking structure, the climbing process is steady high-efficient, degree of automation is high, high efficiency of construction, after climbing one standard festival height, insert the tower crane standard festival 18 on the propulsion platform 16, tower crane standard festival 18 location, install connecting bolt to suitable position, so that the reciprocal tower crane of realizing gradually rises.
In the embodiment, the main girder frame comprises a large main girder 3 and a small main girder 5, the large main girder 3 is connected below the end parts of two adjacent upper cross girders 2, the small main girder 5 is rotatably arranged at the two ends of the large main girder 3, the small main girders can be connected by adopting a pin shaft, the small main girders 5 are convenient to rotate, the main girders can be folded, the hoister can smoothly pass through piers with different widths, and the flexibility is higher; when the small main beam 5 is horizontally stretched, the free end of the small main beam 5 is connected with the end of the upper beam 2 through a lifting steel belt 1, when the small main beam 5 is folded, the free end of the small main beam 5 is connected with the end of the upper beam 2 through a chain block 15, one end of the lifting steel belt 1 is connected with the small main beam 5, and the other end of the lifting steel belt 1 is connected with the upper beam 2 so as to exert the lifting and oblique dragging functions and prevent the small main beam 5 from being deformed too much; when the arch frame hoister passes through narrower piers, the folding action of the main beam is started, the hand chain block 15 is adopted to connect the upper cross beam 2 with the small main beam 5, the ear plate connecting pin shaft of the small main beam 5 is removed, the hand chain block 15 is loosened, the small main beam 5 rotates around a fixed point, the width of the hoister is reduced, and the hoister smoothly passes through piers with different widths.
The end parts of the two upper cross beams 2 are also provided with upper cross beams 4, and the upper cross beams 4 are positioned above the main beams 3.
The lifting system comprises a crown block 6, wherein the crown block 6 is arranged on the large main beam 3 in a sliding manner, and the crown block 6 can slide on the main beam to lift the bridge arch.
In this embodiment, landing leg 8 sets up four, sets up between the adjacent landing leg 8 and is used for connecting stable connection cross tie 9 and the line 7 that draws to one side of dimension, can guarantee the stability of whole structure, prevents that load and high altitude wind from carrying stronger whole deformation that leads to the lifting machine too big.
In this embodiment, traveling system includes walking beam 10 and running gear, walking beam 10 sets up in landing leg 8 bottom, and walking beam 10 bottom evenly sets up four running gear of group, and every running gear of group all includes four walking wheels 11, and four walking wheels 11 include two action wheels, two follow the driving wheel, and the action wheel adopts motor drive, can reach the effect that removes at any time, for guaranteeing equipment at the stability of during operation traveling system, adopts finish rolling screw anchor walking beam 10 and steel box girder, makes the bow member lifting machine reach the auto-lock effect.
While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present utility model.
Claims (7)
1. A self-climbing bridge arch hoist is characterized in that: the climbing system comprises a main truss system, a climbing system, a lifting system and a traveling system;
the main truss system comprises an upper cross beam (2), supporting legs (8) and a main beam frame, wherein the upper cross beam (2) is supported by two adjacent supporting legs (8), the main beam frames are arranged below the end parts of the two adjacent upper cross beams (2), and each supporting leg (8) comprises a plurality of tower crane standard sections (18);
the climbing system comprises a hoisting structure, a sleeve frame (14) and a jacking mechanism (17), wherein the hoisting structure for hoisting the tower crane standard section (18) is arranged on the outer side of the tower crane standard section (18) which is higher than the supporting leg (8), the sleeve frame (14) is sleeved outside the tower crane standard section (18) which is higher than the supporting leg, the jacking mechanism (17) is arranged in the sleeve frame (14), and the jacking mechanism (17) is used for providing a space for increasing the tower crane standard section (18);
the lifting system is arranged on the upper cross beam (2) and is used for lifting the bridge arch;
the traveling system is arranged at the bottom of the supporting leg (8) and used for moving the bridge arch lifting machine.
2. The self-climbing bridge arch hoist as in claim 1, wherein: the hoisting structure comprises a cantilever frame (12) and an electric hoist (13), wherein the cantilever frame (12) is arranged on the outer side of a tower crane standard knot (18) which is higher than the supporting leg (8), the electric hoist (13) is arranged on the cantilever frame (12), a propelling platform (16) for containing the tower crane standard knot (18) to be installed is arranged at the bottom of the sleeve frame (14), and the propelling platform (16) is positioned below the cantilever frame (12).
3. A self-climbing bridge arch hoist as defined in claim 1 or 2, wherein: the girder frame includes big girder (3) and little girder (5), and two adjacent entablature (2) tip below are connected in big girder (3), and little girder (5) rotate and set up in big girder (3) both ends, and when little girder (5) horizontal extension set up, little girder (5) free end and entablature (2) end link to each other through carrying pull strip (1), and when little girder (5) folding set up, little girder (5) free end and entablature (2) end link to each other through chain block (15).
4. A self-climbing bridge arch hoist as defined in claim 3, wherein: the ends of the two upper cross beams (2) are also provided with upper cross links (4), and the upper cross links (4) are positioned above the main beams (3).
5. A self-climbing bridge arch hoist as defined in claim 3, wherein: the lifting system comprises a crown block (6), and the crown block (6) is arranged on the main girder (3) in a sliding way.
6. A self-climbing bridge arch hoist as defined in claim 1 or 2, wherein: four supporting legs (8) are arranged, and a connecting transverse link (9) and a diagonal cable (7) which are used for connecting the dimension stability are arranged between the adjacent supporting legs (8).
7. A self-climbing bridge arch hoist as defined in claim 1 or 2, wherein: the walking system comprises a walking beam (10) and walking mechanisms, the walking beam (10) is arranged at the bottom of the supporting leg (8), four groups of walking mechanisms are uniformly arranged at the bottom of the walking beam (10), and each group of walking mechanisms comprises four walking wheels (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152101.8U CN220223315U (en) | 2023-08-11 | 2023-08-11 | Self-climbing bridge arch frame lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322152101.8U CN220223315U (en) | 2023-08-11 | 2023-08-11 | Self-climbing bridge arch frame lifting machine |
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| Publication Number | Publication Date |
|---|---|
| CN220223315U true CN220223315U (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322152101.8U Active CN220223315U (en) | 2023-08-11 | 2023-08-11 | Self-climbing bridge arch frame lifting machine |
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| Country | Link |
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| CN (1) | CN220223315U (en) |
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- 2023-08-11 CN CN202322152101.8U patent/CN220223315U/en active Active
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