CN219099820U - Lifting device for bridge deck plate of cross-channel steel-concrete combination beam - Google Patents
Lifting device for bridge deck plate of cross-channel steel-concrete combination beam Download PDFInfo
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- CN219099820U CN219099820U CN202320078734.6U CN202320078734U CN219099820U CN 219099820 U CN219099820 U CN 219099820U CN 202320078734 U CN202320078734 U CN 202320078734U CN 219099820 U CN219099820 U CN 219099820U
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Abstract
The application discloses stride hoisting device of channel steel and concrete combination beam bridge deck relates to bridge installation engineering technical field, includes: the support assembly comprises a lifting platform and a plurality of vertically arranged steel pipe piles, wherein more than four steel pipe piles are closely attached to lifting vertical rails along the length direction one by one, all the lifting vertical rails are arranged in parallel, and the lifting platform is enclosed and arranged among all the lifting vertical rails; the driving device is arranged on the bracket assembly and is used for driving the lifting platform to ascend or descend along the lifting vertical rail; the horizontal rotating channel is horizontally overlapped on the top surfaces of the bracket component and the reinforced concrete combined beam; when the lifting platform of the transportation bridge deck is lifted to the top end of the lifting vertical rail, the lifting platform is flush with the horizontal rotating channel. The lifting device avoids the influence of the water lifting of the bridge deck on the channel, improves the lifting efficiency of the bridge deck, and can normally lift even a transverse bridge to an integral bridge deck.
Description
Technical Field
The application relates to the technical field of bridge installation engineering, in particular to a lifting device for a bridge deck of a cross-channel steel-concrete combined beam.
Background
Along with the development of economy and continuous improvement of living standard of people, the development of the foundation construction industry in China is very rapid, and various bridge construction methods are provided, such as prefabrication assembly, full framing cast-in-place, cantilever assembly, pushing method, turning method and the like, and the construction scheme needs large-scale lifting devices to assist in bridge panel installation. However, in construction environments such as river crossing and river crossing, large hoisting devices (such as bridge erecting machines, floating cranes, large-tonnage cranes and the like) cannot be installed or are often installed at high cost.
In the related art, the traditional bridge deck plate erection method does not need a large-scale lifting device, the bridge deck plate is firstly transported to the position to be installed by using a ship, and the bridge deck plate is hoisted to the design position from the ship by using a bridge deck crane.
However, the traditional bridge deck slab erection method has the defects that the bridge deck slab can only be lifted in situ, a transport ship occupies a channel, the channel is greatly influenced, and particularly for the bridge deck slab of a transverse bridge direction integral type, the bridge deck crane has to extend outwards from the bridge deck to be extremely long so as not to interfere with the structure of the bridge when the bridge deck slab is lifted, and the bridge deck crane extends outwards to be extremely long so as to easily cause crane overturning danger during lifting, so that the construction reliability is poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the purpose of the application is to provide a lifting device for a bridge deck plate of a cross-channel steel-concrete combined beam, which avoids the influence of the water lifting of the bridge deck plate on the channel, improves the lifting efficiency of the bridge deck plate, and can normally lift even a transverse bridge to an integral bridge deck plate.
In order to achieve the above purpose, the technical scheme adopted is as follows: a lifting device for a cross-channel steel-concrete composite girder bridge deck, comprising:
the support assembly comprises a lifting platform and a plurality of vertically arranged steel pipe piles, wherein more than four steel pipe piles are closely attached to lifting vertical rails along the length direction one by one, all the lifting vertical rails are arranged in parallel, and the lifting platform is arranged between all the lifting vertical rails in a surrounding manner;
the driving device is used for driving the lifting platform to ascend or descend along the lifting vertical rail and is arranged on the bracket component;
the horizontal rotating channel is horizontally overlapped on the top surfaces of the bracket component and the reinforced concrete combined beam; when the lifting platform of the transportation bridge deck is lifted to the top end of the lifting vertical rail, the lifting platform is flush with the horizontal rotating channel.
On the basis of the technical scheme, the driving device comprises a winch and a plurality of slings, wherein the winch is arranged at the top end of the bracket component, and two ends of each sling are respectively connected with the winch and the lifting platform.
On the basis of the technical scheme, the driving device further comprises a pulley block, and the sling is connected to the lifting platform through the pulley block; the support assembly further comprises a horizontally arranged top support, and the top support is fixedly arranged at the top end of the steel pipe pile; the winch is fixedly arranged on the top surface of the top bracket.
On the basis of the technical scheme, the lifting device further comprises a transportation trolley for transporting the bridge deck, and the transportation trolley is used for lifting the top surface of the platform.
On the basis of the technical scheme, the support assembly further comprises a plurality of cross bracing supports, and the cross bracing supports are arranged among the plurality of steel pipe piles.
On the basis of the technical scheme, the lifting device further comprises a small-sized gantry crane, the top surface of the reinforced concrete combination beam is provided with two sliding rails along the transverse bridge to two side edges respectively, and the small-sized gantry crane is movably arranged across the two sliding rails.
On the basis of the technical scheme, the lifting platform adopts a rectangular steel plate, and rollers are arranged at the overlapping positions of the rectangular steel plate and the lifting vertical rail; each lifting vertical rail is provided with a groove, and the idler wheels can be matched with the grooves in a rolling mode.
On the basis of the technical scheme, the top end face and the bottom end face of each lifting vertical rail are provided with anti-drop limiters.
On the basis of the technical scheme, the frame of the lifting platform is provided with I-steel.
On the basis of the technical scheme, all steel pipe piles are arranged in a non-channel water area or on the bank.
The beneficial effects that technical scheme that this application provided brought include:
the lifting device is simple in structure, mainly comprises a bracket assembly with a lifting platform and a lifting vertical rail, a driving device and a horizontal channel, is high in automation degree, greatly saves manpower and material resources, and is used for conveying the bridge deck to the specified position of the steel-concrete combined beam without additional large equipment; meanwhile, the lifting platform ascends or descends along the lifting vertical rail, so that the stability of up-and-down transportation is enhanced. For traditional decking erects required part, the hoisting device of this application need not the normal position to the decking and lifts by crane, need not to occupy the channel, rises to the position of parallel and level in the bridge floor from the side earlier, carries out horizontal transportation again, and can transport with the help of travelling bogie, even if the transverse bridge is to monolithic decking, also can normally transport, construction reliability is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present application;
FIG. 2 is a side view of a lifting device provided in an embodiment of the present application;
reference numerals: 1. a lifting device; 11. a bracket assembly; 110. lifting the vertical rail; 111. a steel pipe pile; 112. lifting the platform; 113. a top bracket; 114. a cross brace bracket; 12. a driving device; 121. a hoist; 122. a sling; 13. a panning passage; 14. a transport trolley; 15. a small gantry crane; 100. a steel-concrete combination beam; 101. a slide rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 and 2, the present application discloses an embodiment of a lifting device for a cross-channel steel concrete girder bridge deck, which comprises a bracket assembly 11, a driving device 12 and a flat channel 13.
Wherein, support subassembly 11 contains lifting platform 112 and a plurality of steel-pipe pile 111, and steel-pipe pile 111 vertically sets up, and lifting platform 112 level sets up, and wherein four or more steel-pipe pile 111 are hugged closely along length direction one by one and are set up and promote perpendicular rail 110. All lifting rails 110 are arranged flush, i.e. the bottom ends are all located at the same level and the top ends are also located at the same level. Specifically, the number of steel pipe piles 111 is far more than four, and four or more lifting vertical rails 110 are provided. The lifting platform 112 is disposed circumferentially between all of the lifting rails 110. Specifically, more than four lifting vertical rails 110 are circumferentially disposed on the lifting platform 112, and the lifting platform 112 can slide up and down relative to the lifting vertical rails 110. The driving device 12 is used for driving the lifting platform 112 to ascend or descend along the lifting vertical rail 110, and the driving device 12 is mounted on the bracket assembly 11.
The horizontal turning channel 13 horizontally overlaps the top surfaces of the bracket assembly 11 and the reinforced concrete girder 100 to function as a transportation bridge. Specifically, the panning passages 13 are flush with the top surface of the steel-concrete bond beam 100. When the lifting platform 112 transports the deck plate and rises to the top of the lifting rail 110, the lifting platform 112 is flush with the panning passage 13. At this time, the bridge deck plate can be conveniently transported from the lifting platform 112 to the top surface of the reinforced concrete composite girder 100 through the panning passage 13.
The lifting device 1 is simple in structure, mainly comprises the bracket assembly 11 with the lifting platform 112 and the lifting vertical rail 110, the driving device 12 and the sliding channel 13, is high in automation degree, greatly saves manpower and material resources, and utilizes the lifting device 1 to transport the bridge deck to the appointed position of the reinforced concrete combined beam 100 without additional large equipment; at the same time, the lifting platform 112 is raised or lowered along the lifting vertical rail 110, enhancing the stability of up-and-down transportation.
For traditional decking erects required part, the hoisting device of this application need not the normal position to the decking and lifts by crane, need not to occupy the channel, rises to the position of parallel and level in the bridge floor from the side earlier, carries out horizontal transportation again, and can transport with the help of travelling bogie 14, even if the transverse bridge is to monolithic decking, also can normally transport, construction reliability is high.
It should be noted that fig. 1 and 2 are only schematic, and the actual part sizes of the present application are not limited by the sizes of fig. 1 and 2, and the relative sizes. In practice, if the cross-bridge deck is to be transported, the lifting platform 112 of the bracket assembly 11 is correspondingly enlarged.
In one embodiment, the driving device 12 includes a hoist 121 and a plurality of slings 122, the hoist 121 is disposed at the top end of the bracket assembly 11, and the hoist 121 ascends or descends the lifting platform 112 along the lifting rail 110 through the slings 122.
Further, the driving device 12 further comprises pulley blocks, and the sling 122 is connected to the lifting platform 112 through the pulley blocks. Specifically, one end of the sling 122 is connected to the hoist 121, the other end is connected to the lifting platform 112, and the middle portion is turned or saved in labor by winding the pulley block.
The bracket assembly 11 further comprises a horizontally arranged top bracket 113, the top bracket 113 is fixedly arranged at the top end of the lifting vertical rail 110, and the winch 121 is fixedly arranged on the top surface of the top bracket 113.
Preferably, the driving device 12 specifically includes two sets of winches 121, and the two sets of winches 121 raise the lifting platform 112 through two sets of pulley blocks and slings 122, respectively.
In one embodiment, the lifting device 1 further comprises a trolley 14 for transporting the bridge deck, the trolley 14 being arranged on the lifting platform 112. Specifically, the transport cart 14 does not require speed, and has a strong power. The trolley 14 assists in transporting the deck slab from the lift platform to the top surface of the reinforced concrete bond beam.
Preferably, the bracket assembly 11 further comprises a plurality of cross braces 114, and the cross braces 114 are arranged between the plurality of steel pipe piles 111. The cross brace brackets 114 enhance the stability of the bracket assembly.
As shown in fig. 1 and 2, the lifting device has 12 steel pipe piles 111 in total, and is arranged according to 3 (transverse bridge column number) times 4 (longitudinal bridge line number), wherein the 2 nd line and the 3 rd line are arranged at intervals, the 6 steel pipe piles 111 of the 2 nd line and the 3 rd line are provided with lifting vertical rails 110 along the length direction, the lifting platform 112 ascends or descends along the 6 lifting vertical rails 110, and the lifting vertical rails 110 can enable the ascending or descending of the lifting platform 112 to be more stable and reliable.
In one embodiment, the lifting device 1 further comprises a small gantry crane 15, two sliding rails 101 are arranged on the top surface of the reinforced concrete bonding beam 100, and the two sliding rails 101 are respectively arranged adjacent to two lateral edges of a transverse bridge of the reinforced concrete bonding beam 100. The small gantry crane 15 is movably straddled on the two slide rails 101.
Specifically, the small gantry crane 15 includes a vertical support beam, a spandrel girder horizontally disposed between the support beams, and a hook structure movably disposed to the support beam. After transporting the deck slab to the top surface of the steel-concrete composite beam, the small gantry crane 15 can finish-load and hoist the deck slab to a specified position.
Preferably, the lifting platform 112 is a rectangular steel plate, and the overlapping position of the rectangular steel plate and the lifting vertical rail 110 is provided with a roller, the lifting vertical rail 110 is provided with a groove, and the roller slides along the groove. The grooves of the lifting vertical rail 110 and the rollers of the lifting platform 112 enable the lifting and lowering movements of the lifting platform to be more stable, improving the safety performance of the transportation bridge deck.
Further, a top end surface and a bottom end surface of each lifting vertical rail 110 are provided with an anti-drop limiter. The stopper can prevent that the gyro wheel from deviating from the recess, reinforcing security performance.
Preferably, the frame of the lifting platform 112 is provided with I-steel.
Preferably, all the steel pipe piles 111 are arranged in the non-channel water area or on the shore, and the whole lifting device does not affect the channel.
The lifting device of the bridge deck lifting device is simple in structure, only comprises a support assembly 11, a driving device 12, a horizontal rotating channel 13, a transportation trolley 14 and a small-sized gantry crane 15, can be used for lifting a bridge deck to be installed to be flush with the bridge deck height from the side face of a bridge pier from the bank side or in a non-channel area, then is transported to the top face of the steel-concrete combined beam 100 to be installed through the horizontal rotating channel 13 by the transportation trolley 14, and is accurately lifted and installed by the small-sized gantry crane 15, so that the lifting efficiency is high, the channel is not occupied, the lifting work is stable and reliable, and the influence of the area size of the bridge deck is avoided.
With the hoisting device structural style of this application, lay the decking, include the following step:
s1: a plurality of steel pipe piles 111 are inserted and driven outside the pier, and lifting vertical rails 110 are arranged in a one-to-one close fit along the length direction of more than four steel pipe piles 111. A horizontal lifting platform 112 is provided between all lifting rails 110.
S2: the deck slab is transported to the lift platform 112.
S3: fixing the driving device 12 and the lifting platform 112, and lifting the lifting platform 112 to the same height as the top surface of the reinforced concrete combination beam 100 along the lifting vertical rail 110 by the driving device 12;
s4: the deck boards are transported from the lifting platform 112 through the panning passages 13 to the designated locations on the top surface of the reinforced concrete bond beam 100 and installed.
In one embodiment, the lifting device 1 further comprises a small gantry crane 15, two sliding rails 101 are arranged on the top surface of the reinforced concrete bonding beam 100, and the two sliding rails 101 are respectively arranged adjacent to two lateral edges of a transverse bridge of the reinforced concrete bonding beam 100. The small gantry crane 15 is movably straddled on the two slide rails 101.
Step S1, further comprising:
two sliding rails 101 are respectively arranged on the top surface of the reinforced concrete combination beam 100 along the transverse bridge to the two side edges, and the small gantry crane 15 can be movably arranged on the two sliding rails 101 in a crossing manner.
Step S4, further comprising:
after the bridge deck is transported to the top surface of the reinforced concrete combination beam 100, the bridge deck is accurately lifted to a designated position by the small gantry crane 15. After the deck slab is transported to the top surface of the steel-concrete combination beam, the small gantry crane 15 can carry out fine-packing lifting on the deck slab, transverse bridge movement and longitudinal bridge movement, and lifting to a designated position.
Further, the driving device 12 comprises a winch 121, a pulley block and a plurality of slings 122, the winch 121 is arranged at the top end of the bracket assembly 11, and the winch 121 enables the lifting platform 112 to ascend or descend along the lifting vertical rail 110 through the slings 122 and the pulley block; a trolley 14 for transporting the bridge deck is also provided on the lifting platform 112.
In step S2, further comprising:
the bridge deck is transported by a transport ship to approach to the lifting platform 112 positioned at the lowest part, and then the bridge deck is transported to the transport trolley 14;
specifically, the bridge deck is carried from the carrier to the transportation trolley 14 by external auxiliary equipment. Preferably, the lifting device further comprises a positioning vessel for securing to the transport vessel.
In step S4, further comprising:
the deck slab is transported from the lifting platform 112 to the top surface of the reinforced concrete composite girder 100 by the transportation cart 14.
According to the paving method of the lifting device, firstly, steel pipe piles 111, lifting vertical rails 110 and lifting platforms 112 are arranged on the outer sides of piers, the whole support assembly 11 is built, then lifting is carried out through a winch 121, the lifting platforms 112 ascend or descend along the lifting vertical rails 110, the sliding stability is improved, bridge decks are close to the lifting platforms 112 located at the lowest position through transport vessels, the tops of the lifting vertical rails 110 are ascended, the lifting platforms 112 are flush with the top surface of a steel-concrete combined beam 100 to be installed, horizontal transportation is carried out through a horizontal rotation channel 13 through a transport trolley 14, and finally accurate lifting is carried out through a small gantry crane, so that bridge deck installation is completed.
The paving method of the lifting device has the advantages that the steps are simple, the automation degree is high, the manpower and material resources are saved, the bridge deck erection at any position in the whole range can be completed through simple operation, and the influence of construction environment is small; only when the transport ship water is close to the lifting platform 112 positioned at the lowest position, the bridge deck is transported to the lifting platform 112 by auxiliary equipment, and all other works do not need large equipment and the investment of extra measures, so that the cost is low, the adaptability is high and the construction reliability is high.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. 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 application. Thus, the present application 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 (10)
1. A lifting device for a cross-channel steel-concrete composite girder bridge deck, comprising:
the support assembly (11) comprises a lifting platform (112) which is horizontally arranged and a plurality of steel pipe piles (111) which are vertically arranged, wherein more than four steel pipe piles (111) are closely provided with lifting vertical rails (110) along the length direction one by one, all the lifting vertical rails (110) are arranged in parallel, and the lifting platform (112) is arranged between all the lifting vertical rails (110) in a surrounding manner;
a driving device (12) for driving the lifting platform (112) to ascend or descend along the lifting vertical rail (110), which is mounted to the bracket assembly (11);
the horizontal rotating channel (13) is horizontally overlapped on the top surfaces of the bracket component (11) and the reinforced concrete combination beam (100); when the lifting platform (112) of the transportation bridge deck is lifted to the top end of the lifting vertical rail (110), the lifting platform (112) is flush with the panning channel (13).
2. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: the driving device (12) comprises a winch (121) and a plurality of slings (122), the winch (121) is arranged at the top end of the bracket component (11), and two ends of each sling (122) are respectively connected with the winch (121) and the lifting platform (112).
3. A lifting device for a cross-channel steel-concrete girder bridge deck as claimed in claim 2, wherein: the driving device (12) further comprises a pulley block, and the sling (122) is connected to the lifting platform (112) through the pulley block; the support assembly (11) further comprises a horizontally arranged top support (113), and the top support (113) is fixedly arranged at the top end of the steel pipe pile (111); the winch (121) is fixedly arranged on the top surface of the top bracket (113).
4. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: the lifting device (1) further comprises a transportation trolley (14) for transporting the bridge deck, and the transportation trolley (14) is positioned on the top surface of the lifting platform (112).
5. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: the support assembly (11) further comprises a plurality of cross brace supports (114), and the cross brace supports (114) are arranged among the plurality of steel pipe piles (111).
6. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: the lifting device (1) further comprises a small-sized gantry crane (15), two sliding rails (101) are respectively arranged on the top surface of the steel-concrete combined beam (100) along the transverse bridge to the edges of the two sides, and the small-sized gantry crane (15) can movably span the two sliding rails (101).
7. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: the lifting platform (112) adopts a rectangular steel plate, and rollers are arranged at the overlapping positions of the rectangular steel plate and the lifting vertical rail (110); each lifting vertical rail (110) is provided with a groove, and the roller wheels can be matched with the grooves in a rolling way.
8. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 7, wherein: and the top end surface and the bottom end surface of each lifting vertical rail (110) are provided with anti-drop limiters.
9. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 7, wherein: and the frame of the lifting platform (112) is provided with I-steel.
10. The lifting device for a cross-channel steel-concrete girder bridge deck of claim 1, wherein: all steel pipe piles (111) are arranged in a non-channel water area or on the bank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320078734.6U CN219099820U (en) | 2023-01-10 | 2023-01-10 | Lifting device for bridge deck plate of cross-channel steel-concrete combination beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320078734.6U CN219099820U (en) | 2023-01-10 | 2023-01-10 | Lifting device for bridge deck plate of cross-channel steel-concrete combination beam |
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| Publication Number | Publication Date |
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| CN219099820U true CN219099820U (en) | 2023-05-30 |
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| CN202320078734.6U Active CN219099820U (en) | 2023-01-10 | 2023-01-10 | Lifting device for bridge deck plate of cross-channel steel-concrete combination beam |
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| CN (1) | CN219099820U (en) |
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