CN216006632U - Vertical transportation system for prefabricated box girders - Google Patents
Vertical transportation system for prefabricated box girders Download PDFInfo
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- CN216006632U CN216006632U CN202121300915.6U CN202121300915U CN216006632U CN 216006632 U CN216006632 U CN 216006632U CN 202121300915 U CN202121300915 U CN 202121300915U CN 216006632 U CN216006632 U CN 216006632U
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Abstract
The utility model provides a vertical transportation system for prefabricated box girders, which comprises a box girder prefabricating yard, a hoisting mechanism and a transportation mechanism, the box girder prefabricating field comprises a prefabricating area and a girder storing area, the hoisting mechanism comprises a member gantry crane I, a member gantry crane II, a box girder hoisting gantry crane I, a gantry crane track and a box girder hoisting gantry crane II, the component gantry crane I and the component gantry crane II are sequentially erected above the prefabrication area from front to back, the box girder hoisting gantry crane I is erected above the prefabrication area behind the component gantry crane II, the box girder hoisting gantry crane II is erected on one side of the installed girder body, the gantry crane track is arranged on one side of the installed girder body in a direction vertical to the bridge beam, the length of the gantry crane track extends to the whole box girder prefabricating field, the transportation mechanism comprises a beam transporting auxiliary vehicle, a beam transporting main vehicle and a transverse moving trolley, and a transverse moving track is vertically arranged above the mounted beam body. The utility model reduces the configuration of the gantry crane, improves the mechanical use efficiency, saves the construction cost and improves the economic benefit.
Description
Technical Field
The utility model belongs to the technical field of prefabricated box girder installation construction, and particularly relates to a prefabricated box girder vertical transportation system.
Background
In the prior art, a precast bridge girder yard of a high bridge girder is usually arranged along the bridge direction close to the bridge edge, a bridge span gantry is used for vertically transporting to the bridge floor, and a girder transporting vehicle is used for transporting the girder at the tail part of a bridge girder erection machine to realize the vertical transportation of the precast box girder.
Disclosure of Invention
The utility model provides a prefabricated box girder vertical transportation system, a gantry crane along the bridge direction can give consideration to box girder prefabrication, box girder moving and box girder vertical transportation, the configuration of the gantry crane can be effectively reduced, the mechanical use efficiency is improved, and the gantry crane along the bridge direction, a girder transporting auxiliary vehicle and a transverse moving trolley can realize vertical transportation of left and right box girders and feeding of the tail part of a bridge girder erection machine.
The technical scheme of the utility model is as follows: the prefabricated box girder vertical transportation system comprises a box girder prefabricated field which is vertically arranged in the bridge direction, a hoisting mechanism which is transversely arranged along the box girder prefabricated field, and a transportation mechanism which is arranged on an installed beam body, wherein the box girder prefabricated field comprises a prefabricated area and a beam storage area, the hoisting mechanism comprises a component gantry crane I, a component gantry crane II, a box girder hoisting gantry crane I, a gantry crane rail and a box girder hoisting gantry crane II, the component gantry crane I and the component gantry crane II are sequentially erected above the prefabricated area from front to back, the box girder hoisting gantry crane I is erected above the prefabricated area behind the component gantry crane II, the box girder hoisting gantry crane II is erected on one side of the installed beam body, the gantry crane rail is vertically arranged on one side of the installed beam body in the bridge direction, the length of the gantry crane rail extends to the whole box girder prefabricated field, the hoisting mechanism can conveniently move and walk, and the transportation mechanism comprises a girder transporting auxiliary vehicle, The device comprises a main girder transporting vehicle and a transverse moving trolley, wherein a transverse moving rail is vertically arranged above an installed girder body, the transverse moving trolley transversely moves on the transverse moving rail, a secondary girder transporting vehicle and the transverse moving trolley are arranged along the bridge direction, and meanwhile, a box girder to be installed is transported to the main girder transporting vehicle and is transported to the tail part of a bridge girder erection machine through the main girder transporting vehicle.
Preferably, a plurality of prefabricated pedestals of prefabricated district parallel arrangement, it sets up a plurality of beam pedestals of depositing to deposit the roof beam district, prefabricated pedestal and deposit the roof beam pedestal and set up along the bridge to the direction.
Preferably, the prefabricating pedestal and the beam storage pedestal are both made of an upper supporting table, a lower supporting table and middle supporting I-steel, so that the prefabricating pedestal and the beam storage pedestal are convenient to prepare, simple to disassemble and recyclable.
Preferably, the transverse moving trolley comprises a walking box body arranged at the bottom, a supporting chassis arranged above the walking box body, a driving motor for providing power, a jack arranged on the supporting chassis, a bearing plate arranged above the jack, and a multi-layer pad beam arranged between the supporting chassis and the bearing plate, wherein the walking box body is arranged above the transverse moving track.
Preferably, the two traverse rails are transversely arranged along the bridge floor, a transportation channel slope-finding layer is arranged between the top surface of the mounted beam body and the traverse rails, and the top surface of the transportation channel slope-finding layer is flush with the top surface of the traverse rails, so that the main beam transporting vehicle and the auxiliary beam transporting vehicle can stably pass through the transportation channel slope-finding layer.
Preferably, the member gantry crane I is a small member gantry crane, and the member gantry crane II is a large member gantry crane.
Preferably, a plurality of rail pad beams are uniformly arranged between the transverse moving rail and the mounted beam body and are arranged along the bridge direction.
Preferably, fortune roof beam owner car and fortune roof beam auxiliary vehicle all include walking wheel, walking motor and roof beam body support, roof beam body support is the frame construction who comprises a plurality of whippletrees and vertical pole.
The construction method comprises the following steps:
1. hoisting and transporting the prefabricated components by utilizing a component gantry crane I and a component gantry crane II, prefabricating the box girder to be installed in a prefabricating area of a box girder prefabricating field, and transporting the box girder to be installed to a girder storage area by utilizing a box girder hoisting gantry crane I;
2. lifting and transversely moving the box girder to be installed in the girder storage area by using a box girder hoisting gantry crane II, and placing the box girder to be installed on the top surfaces of a beam transporting auxiliary vehicle and a transverse moving trolley of the bridge floor;
3. the bottom surface of a box girder body to be installed is higher than the top surface of the main girder of the girder transporting vehicle by laterally moving the transverse moving trolley on the transverse moving track, moving the transverse moving trolley to the main girder of the girder transporting vehicle and jacking the transverse moving trolley by a jack, the main girder of the girder transporting vehicle retreats to the lower part of the box girder to be installed, and the jack descends to place the bottom surface of the box girder to be installed on the main girder of the girder transporting vehicle;
4. the transverse moving trolley is separated from the box girder to be installed, transversely moves to the outside of the traveling path of the girder transporting auxiliary vehicle, and transports the box girder to be installed to the feeding beam at the tail part of the bridge girder erection machine by driving of the main girder transporting vehicle.
The utility model has the advantages that: according to the utility model, the gantry cranes with different specifications of components and the box girder hoisting gantry crane are comprehensively utilized to realize the prefabrication lifting and the transportation movement of the box girder, and then the beam transporting auxiliary vehicle, the beam transporting main vehicle and the transverse moving trolley are utilized to realize the box girder transportation and the beam feeding, so that the vertical hoisting and the transverse movement of the box girder are taken into consideration, the configuration of the gantry crane with high manufacturing cost is effectively reduced, the mechanical use efficiency is improved, the construction cost is saved, and the economic benefit of construction enterprises is improved.
Drawings
FIG. 1 is a top view of the vertical transport system for precast box girders according to the present invention;
FIG. 2 is a schematic cross-bridge structure of a vertical transportation system of prefabricated box girders according to the present invention;
FIG. 3 is a schematic structural diagram of a vertical transportation system of prefabricated box girders along the bridge direction;
FIG. 4 is an enlarged partial schematic view of a prefabricated box girder vertical transport system of the present invention at A in FIG. 3;
wherein: 1. the method comprises a prefabricating area, 2, a beam storage area, 3, a prefabricating pedestal, 4, a beam storage pedestal, 5, component gantry cranes I and 6, component gantry cranes II and 7, box beam hoisting gantry cranes I and 8, gantry crane rails, 9, box beam hoisting gantry cranes II and 10, a beam transporting auxiliary vehicle, 11, a transverse moving trolley, 111, a driving motor, 112, a traveling box body, 113, a supporting chassis, 114, a jack, 115, a bearing plate, 116, a backing beam, 12, a transverse moving rail, 13, a beam transporting main vehicle, 14, a rail backing beam, 15, a box beam to be installed, 16, a transportation channel slope finding layer, 17 and an installed beam body.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The specific implementation mode of the utility model is as follows: as shown in fig. 1-4, a prefabricated box girder vertical transportation system comprises a box girder prefabricated field arranged perpendicular to a bridge direction, a hoisting mechanism arranged transversely along the box girder prefabricated field, and a transportation mechanism arranged on an installed girder body 17, wherein the box girder prefabricated field comprises a prefabricated area 1 and a girder storage area 2 for prefabricating, producing and storing box girders 15 to be installed, the hoisting mechanism comprises a component gantry crane i 5, a component gantry crane ii 6, a box girder hoisting gantry crane i 7, a gantry crane rail 8 and a box girder hoisting gantry crane ii 9, the component gantry crane i 5 and the component gantry crane ii 6 are sequentially erected above the prefabricated area 1 from front to back for hoisting and transporting different components during prefabrication, the box girder hoisting gantry crane i 7 is erected above the prefabricated area 1 behind the component gantry crane ii 6, and the prefabricated box girders 15 to be installed are transported from the prefabricated area 1 to the girder storage area 2, the box girder hoisting gantry crane II 9 is erected on one side of the installed girder body 17, transports the box girder 15 to be installed from the girder storage area 2 to a transport mechanism, the gantry crane track 8 is arranged on one side of the installed beam body 17 in the direction vertical to the bridge, the length of the gantry crane track extends to the whole box girder prefabricating field, the hoisting mechanism can conveniently move and walk, the transportation mechanism comprises a beam transportation auxiliary vehicle 10, a beam transportation main vehicle 13 and a transverse moving trolley 11, a cross sliding rail 12 is vertically arranged above the installed beam body 17, the transverse moving trolley 11 transversely moves on the cross sliding rail 12, the beam transporting auxiliary vehicle 10 and the transverse moving trolley 11 are arranged along the bridge direction, the box girder hoisting gantry crane II 9 transports and places the box girder 15 to be installed on the beam transporting auxiliary vehicle 10 and the transverse moving trolley 11, and meanwhile, the box girder 15 to be installed is transported to the main girder transporting vehicle 13 and transported to the feeding girder at the tail part of the bridge girder erection machine through the main girder transporting vehicle 13 by transverse movement.
Preferably, 1 parallel arrangement in prefabricated district a plurality of prefabricated pedestal 3, it sets up a plurality of roof beam platform bases 4 to deposit roof beam district 2, prefabricated pedestal 3 sets up with depositing roof beam platform base 4 along the bridge to.
Preferably, the prefabricating pedestal 3 and the beam storage pedestal 4 are both made of an upper supporting platform, a lower supporting platform and middle supporting I-steel, so that the beam storage pedestal is convenient to prepare, simple to disassemble and recyclable.
Preferably, the traverse car 11 includes a traveling box 112 disposed at the bottom, a supporting chassis 113 disposed above the traveling box 112, a driving motor 111 for supplying power, a self-locking hydraulic jack 114 disposed on the supporting chassis 113, a pressure bearing plate 115 disposed above the self-locking hydraulic jack 114, and a multi-layer pad beam 116 disposed between the supporting chassis 113 and the pressure bearing plate 115, wherein the traveling box 112 is disposed above the traverse rail 12.
Preferably, two transverse moving rails 12 are transversely arranged along the bridge floor, a transportation channel slope-seeking layer 16 is arranged between the top surface of the mounted beam body 17 and the transverse moving rails 12, and the top surface of the transportation channel slope-seeking layer 16 is flush with the top surface of the transverse moving rails 12, so that the main beam transporting vehicle 13 and the auxiliary beam transporting vehicle 10 can smoothly pass through the transportation channel slope-seeking layer.
Preferably, the component gantry crane I5 is a small component gantry crane, and the component gantry crane II 6 is a large component gantry crane, and is used for respectively hoisting different components.
Preferably, a plurality of track pad beams 14 are uniformly arranged between the traverse track 12 and the installed beam body 17, and the track pad beams 14 are arranged along the bridge direction.
Preferably, the main girder transporting vehicle 13 and the auxiliary girder transporting vehicle 10 both comprise traveling wheels, traveling motors and girder supports, and the girder supports are frame structures consisting of a plurality of cross bars and longitudinal bars.
The construction method comprises the following steps:
1. hoisting and transporting the prefabricated components by utilizing a component gantry crane I5 and a component gantry crane II 6, prefabricating a box girder 15 to be installed in a prefabrication area 1 of a box girder prefabrication field, transporting the box girder 15 to be installed to a girder storage area 2 by utilizing a box girder hoisting gantry crane I7, and reducing transportation paths because the box girder prefabrication field is arranged on the side of a bridge;
2. lifting and transversely moving a box girder 15 to be installed in the girder storage area 2 by using a box girder hoisting gantry crane II 8, and placing the box girder 15 to be installed on the top surfaces of a girder transporting auxiliary vehicle 10 and a transversely moving trolley 11 of the bridge floor;
3. the transverse moving trolley 11 moves laterally on the transverse moving rail 12, moves to the main girder 13 of the girder, and is jacked up by a jack 114, so that the bottom surface of the girder body of the box girder 15 to be installed is higher than the top surface of the main girder 13 of the girder, the main girder 13 of the girder is backed to the lower part of the box girder 15 to be installed, and the jack 114 descends to place the bottom surface of the box girder 15 to be installed on the main girder 13 of the girder;
4. the transverse moving trolley 11 is separated from the box girder 15 to be installed and transversely moves to the outside of the traveling path of the girder transporting auxiliary trolley 10, the box girder 15 to be installed is driven and transported to the tail part of the bridge girder erection machine for girder feeding through the girder transporting main trolley 13, and lifting transportation and girder feeding of the box girder 15 to be installed are realized.
While the preferred embodiments of the utility model have been described, it is to be understood that the utility model is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A prefabricated box girder vertical transportation system is characterized by comprising a box girder prefabricated field arranged vertically to a bridge direction, a hoisting mechanism arranged transversely along the box girder prefabricated field, and a transportation mechanism arranged on an installed beam body, wherein the box girder prefabricated field comprises a prefabricated area and a beam storage area, the hoisting mechanism comprises a member gantry crane I, a member gantry crane II, a box girder hoisting gantry crane I, a gantry crane rail and a box girder hoisting gantry crane II, the member gantry crane I and the member gantry crane II are sequentially erected above the prefabricated area from front to back, the box girder hoisting gantry crane I is erected above the prefabricated area behind the member gantry crane II, the box girder hoisting gantry crane II is erected on one side of the installed beam body, the gantry crane rail is arranged on one side of the installed beam body in a direction perpendicular to the bridge body, the length of the gantry crane rail extends to the whole box girder prefabricated field, and the hoisting mechanism can conveniently move and walk, the transportation mechanism comprises a girder transporting auxiliary vehicle, a girder transporting main vehicle and a transverse moving trolley, wherein a transverse moving rail is vertically arranged above the mounted girder body, the transverse moving trolley does transverse movement on the transverse moving rail, the girder transporting auxiliary vehicle and the transverse moving trolley are arranged along the bridge direction, and meanwhile, a box girder to be mounted is transported to the girder transporting main vehicle and is transported to the tail part of the bridge girder erection machine through the girder transporting main vehicle.
2. A precast box girder vertical transport system according to claim 1, wherein the precast zone is provided with a plurality of precast pedestals in parallel, the girder storage zone is provided with a plurality of girder storage pedestals, and the precast pedestals and the girder storage pedestals are arranged in a bridge direction.
3. A prefabricated box girder vertical transport system according to claim 2, wherein the prefabricated pedestals and the girder storage pedestals are made of upper and lower support platforms and intermediate support i-beams.
4. The vertical transportation system of precast box girders according to claim 3, wherein the traverse carriage comprises a traveling box body disposed at the bottom, a support chassis disposed above the traveling box body, a driving motor for supplying power, a jack disposed on the support chassis, a bearing plate disposed above the jack, and a multi-layered bolster disposed between the support chassis and the bearing plate, the traveling box body being disposed above the traverse rail.
5. The vertical transportation system of the precast box girder as claimed in claim 4, wherein two traverse rails are arranged transversely along the bridge deck, a transportation channel slope layer is arranged between the top surface of the installed girder body and the traverse rails, and the top surface of the transportation channel slope layer is flush with the top surface of the traverse rails, so that the stable traffic of the main girder transporting vehicle and the auxiliary girder transporting vehicle is facilitated.
6. The vertical transportation system for the precast box girders according to claim 1, wherein the member gantry crane I is a small member gantry crane, and the member gantry crane II is a large member gantry crane.
7. The vertical transportation system of precast box girders according to claim 1, wherein a plurality of rail pads are uniformly arranged between the traverse rail and the installed girder body, and the rail pads are arranged along the bridge direction.
8. The vertical transportation system of the precast box girder of claim 1, wherein the main girder transportation vehicle and the auxiliary girder transportation vehicle comprise a walking wheel, a walking motor and a girder support, and the girder support is a frame structure consisting of a plurality of cross bars and longitudinal bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300915.6U CN216006632U (en) | 2021-06-11 | 2021-06-11 | Vertical transportation system for prefabricated box girders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300915.6U CN216006632U (en) | 2021-06-11 | 2021-06-11 | Vertical transportation system for prefabricated box girders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216006632U true CN216006632U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121300915.6U Active CN216006632U (en) | 2021-06-11 | 2021-06-11 | Vertical transportation system for prefabricated box girders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216006632U (en) |
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2021
- 2021-06-11 CN CN202121300915.6U patent/CN216006632U/en active Active
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