CN204703068U - A kind of up suspention section assembling traversing carriage bridge fabrication machine - Google Patents
A kind of up suspention section assembling traversing carriage bridge fabrication machine Download PDFInfo
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- CN204703068U CN204703068U CN201520247846.5U CN201520247846U CN204703068U CN 204703068 U CN204703068 U CN 204703068U CN 201520247846 U CN201520247846 U CN 201520247846U CN 204703068 U CN204703068 U CN 204703068U
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Abstract
The utility model discloses a kind of up suspention section assembling traversing carriage bridge fabrication machine, and this bridge fabrication machine comprises spandrel girder, support component, revolution overhead traveling crane, suspension arrangement and crosses aperture apparatus.The bridge fabrication machine of said structure is adopted to move across hole at the step type of pier end face by the forwards movement of middle supporting leg, be suitable for crossing over the high bridge in zanjon valley and basis costly, deep-water bridge that difficulty of construction is large, once mounting can complete whole Bridge Beam portions engineering.Simultaneously due to can any rotation after revolution overhead traveling crane suspention prefabricated subsection, therefore first prefabricated subsection can have been suspended in midair, its narrow limit is made to pass through spandrel girder, then 90-degree rotation again after the prefabricated subsection of whereabouts, this bridge fabrication machine just can adapt to the construction of the width Line for Passenger Transportation two-wire beam also larger than self like this.
Description
Technical field
The utility model relates to a kind of equipment for bridge construction, more specifically, relates to a kind of up suspention section assembling traversing carriage bridge fabrication machine.
Background technology
The historical background that China railways adopts section assembling method to carry out bridge construction is in the nineties in 20th century.Mountain area bridge pier is higher, and the maximum span that Bridge Erector can set up at that time is 32mT type beam, and therefore larger pier is high and configuration is less span is very uneconomical.Cross over the railroad bridge in the Yellow River, the Changjiang river and other larger river in addition, flood diversion and Construction of Deep Foundation need be considered, also require bridge design to be 40m across more than.Moreover the lateral stiffness of the speed raising of railway to bridge it is also proposed more strict requirement, namely adopt rigidity and the good box beam of power performance.Just in this context, section assembling traversing carriage bridge fabrication machine arises at the historic moment.
Early stage section assembling traversing carriage bridge fabrication machine many employings interior crossing type, i.e. concrete beam assembling in bridging ventral.This bridge fabrication machine is used for the construction of single-track railway, although used on minority list case two-wire bridge, but it has certain restriction to the width of beam and bridge pier, more disadvantageously support is not be supported within the scope of bridge pier pier shaft but be supported on cantilevered pallet, thus the load of bridge fabrication machine must be delivered on pier shaft by burying powerful steel bracket underground in bridge pier cap, namely this way proposes harsh requirement to bridge pier thus adds construction costs, limits the scope of application of bridge fabrication machine.
In recent years, China railways realizes great-leap-forward development, Line for Passenger Transportation is built in a large number, the wide bridge floor prestressed reinforced concrete construction due to single box single chamber have good stability, lateral stiffness large, operate steadily, be easy to the features such as maintenance, become the first-selection of Line for Passenger Transportation two-wire beam.Current special line for passenger trains bridge is all one-stage completion two-wire substantially, and its beam weighs and bridge deck width all adds a lot than former single line common railway bridge, and the quality of single prefabricated subsection also increases 160 tons by original 80 tons simultaneously.No matter section assembling bridge manufacturing machine original so all can not meet the needs of Line for Passenger Transportation two-wire beam in form of structure or in supporting capacity, therefore, needs to provide a kind of bridge fabrication machine that can set up large span, greatly the Line for Passenger Transportation two-wire beam of width.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of up suspention section assembling traversing carriage bridge fabrication machine, and it is 64 meters and following Line for Passenger Transportation two-wire beam that this bridge fabrication machine can set up span.
For solving the problems of the technologies described above, the utility model adopts following technical proposals:
A kind of up suspention section assembling traversing carriage bridge fabrication machine, comprises spandrel girder, support component, revolution overhead traveling crane, suspension arrangement and crosses aperture apparatus; Described spandrel girder comprise the girder bearing concrete beam weight, the auxiliary bridge fabrication machine via hole being arranged on girder front end front launching nose and be arranged on main beam rear end for prefabricated subsection being installed to the tail boom on bridge fabrication machine, described spandrel girder is the symmetrically arranged truss of left and right two panels, is connected to form overall structure between the two panels truss of described left and right by linking rod member; Described support component comprise be connected with described spandrel girder before, in and rear support leg, the hinged front lower portion being arranged on described front launching nose of described front leg strut, described middle supporting leg is gate frame construction, its top is provided with glide path, be arranged on the bottom of described girder with being slidably connected, described rear support leg is two cantilever steel box-girder, and its top is provided with glide path, is arranged on the bottom of described girder with being slidably connected; Described revolution overhead traveling crane is arranged on described spandrel girder top, can do 360 degree and rotate and can walk along the top rail of described girder in horizontal plane; Described suspension arrangement comprises suspention longeron, shoulder pole girder and jack, suspention longeron is arranged on described girder, described shoulder pole girder is suspended on described suspention longeron, described jack is arranged on shoulder pole girder, prefabricated subsection is suspended on shoulder pole girder by suspender, and described jack can adjust the position of prefabricated subsection; Described aperture apparatus of crossing comprises the hoist engine be fixedly installed on described front launching nose, and the cable wire of described hoist engine is fixedly connected with described spandrel girder afterbody.Because revolution overhead traveling crane can any rotation, therefore first prefabricated subsection can have been suspended in midair, make its narrow limit by spandrel girder, then 90-degree rotation again after the prefabricated subsection of whereabouts, this bridge fabrication machine just can adapt to the construction of the width Line for Passenger Transportation two-wire beam also larger than self like this.
Preferably, this bridge fabrication machine also comprises the Beam transportation vehicle for concrete beam to be transported to described tail boom from precast yard.
Preferably, described in the section ratio of described front launching nose, the cross section of girder is little, and the front elevational sectional of described girder reduces gradually to front launching nose.
Preferably, described front leg strut is telescopic structure.
The beneficial effects of the utility model are as follows:
Adopt the bridge fabrication machine of said structure to move across hole at the step type of pier end face by the forwards movement of middle supporting leg, be suitable for crossing over the high bridge in zanjon valley and basis costly, deep-water bridge that difficulty of construction is large, once mounting can complete whole bridge portions engineering.Simultaneously due to can any rotation after revolution overhead traveling crane suspention prefabricated subsection, therefore first prefabricated subsection can have been suspended in midair, its narrow limit is made to pass through spandrel girder, then 90-degree rotation again after the prefabricated subsection of whereabouts, this bridge fabrication machine just can adapt to the construction of the width Line for Passenger Transportation two-wire beam also larger than self like this.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 illustrates structural representation of the present utility model.
Fig. 2 illustrates the sectional schematic diagram of revolution overhead traveling crane of the present utility model allocation and transportation prefabricated subsection.
Fig. 3 illustrates the sectional schematic diagram that prefabricated subsection of the present utility model is in place.
Detailed description of the invention
In order to be illustrated more clearly in the utility model, below in conjunction with preferred embodiments and drawings, the utility model is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive below, protection domain of the present utility model should do not limited with this.
As shown in Figures 1 to 3, a kind of up suspention section assembling traversing carriage bridge fabrication machine, comprises spandrel girder 1, support component, revolution overhead traveling crane 3, suspension arrangement 4, crosses aperture apparatus and the Beam transportation vehicle 5 for concrete beam to be transported to described tail boom from precast yard;
Spandrel girder 1 comprise the girder 11 bearing concrete beam weight, the auxiliary bridge fabrication machine via hole being arranged on girder front end front launching nose 12 and be arranged on main beam rear end for prefabricated subsection being installed to the tail boom 13 on bridge fabrication machine, spandrel girder 1 is the symmetrically arranged truss of left and right two panels, is connected to form overall structure between the two panels truss of left and right by linking rod member; The cross section of the section ratio girder 11 of front launching nose 12 is little, and the front elevational sectional of girder 11 reduces gradually to front launching nose 12;
Support component comprises the front leg strut 21, middle supporting leg 22 and the rear support leg 23 that are connected with spandrel girder 1, the hinged front lower portion being arranged on front launching nose 12 of front leg strut 21, front leg strut 21 is the telescopic structure controlled by hydraulic cylinder, middle supporting leg 22 is gate frame construction, its top is provided with glide path, is arranged on the bottom of girder 11 with being slidably connected, and rear support leg 23 is two cantilever steel box-girder, its top is provided with glide path, is arranged on the bottom of girder 11 with being slidably connected;
Revolution overhead traveling crane 3 is arranged on spandrel girder 11 top, can do 360 degree and rotate the top rail walking that also energy edge is arranged on girder 11 in horizontal plane.Revolution overhead traveling crane 3 comprises main spandrel girder 31, pivoting part 32, lifting component 33 and ground-engaging element 34, pivoting part 32 comprises reversing frame, large swiveling gear and little swiveling gear, large swiveling gear is fixedly connected with reversing frame, the rotating top being arranged on main spandrel girder 31 of reversing frame, little swiveling gear is fixedly connected with main spandrel girder 31 by motor, and engage with large swiveling gear, lifting component 33 is arranged on reversing frame, ground-engaging element 34 is arranged on the bottom of main spandrel girder 31, walks for the top rail along girder 11.When prefabricated sections is transported to tail boom 13 place by Beam transportation vehicle 5, the axis of prefabricated subsection and bridge fabrication machine are 90 degree, so just can make to be transported to installation site than the sections of bridging machine width by bridge fabrication machine.After revolution overhead traveling crane 3 suspends prefabricated subsection arrival installation site in midair, first fall prefabricated subsection, and then 90-degree rotation makes the axis of prefabricated subsection and the axis being parallel of bridge;
Suspension arrangement 4 comprises suspention longeron 41, shoulder pole girder 42 and jack 43, suspention longeron 41 is arranged on girder 11, shoulder pole girder 42 is suspended on suspention longeron 41, jack 43 is arranged on shoulder pole girder 42, prefabricated subsection is suspended on shoulder pole girder 42 by suspender, and jack 43 can adjust the suspension angles of prefabricated subsection;
Cross aperture apparatus and comprise the hoist engine be fixedly installed on front launching nose 12, the cable wire of hoist engine is fixedly connected with spandrel girder 1 afterbody.
Obviously; above-described embodiment of the present utility model is only for the utility model example is clearly described; and be not the restriction to embodiment of the present utility model; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all embodiments, every belong to the technical solution of the utility model the apparent change of extending out or variation be still in the row of protection domain of the present utility model.
Claims (4)
1. a up suspention section assembling traversing carriage bridge fabrication machine, is characterized in that: this bridge fabrication machine comprises spandrel girder, support component, revolution overhead traveling crane, suspension arrangement and crosses aperture apparatus;
Described spandrel girder comprise the girder bearing concrete beam weight, the auxiliary bridge fabrication machine via hole being arranged on girder front end front launching nose and be arranged on main beam rear end for prefabricated subsection being installed to the tail boom on bridge fabrication machine, described spandrel girder is the symmetrically arranged truss of left and right two panels, is connected to form overall structure between the two panels truss of described left and right by linking rod member;
Described support component comprise be connected with described spandrel girder before, in and rear support leg, the hinged front lower portion being arranged on described front launching nose of described front leg strut, described middle supporting leg is gate frame construction, its top is provided with glide path, be arranged on the bottom of described girder with being slidably connected, described rear support leg is two cantilever steel box-girder, and its top is provided with glide path, is arranged on the bottom of described girder with being slidably connected;
Described revolution overhead traveling crane is arranged on described spandrel girder top, can do 360 degree and rotate and can walk along the top rail of described girder in horizontal plane;
Described suspension arrangement comprises suspention longeron, shoulder pole girder and jack, suspention longeron is arranged on described girder, described shoulder pole girder is suspended on described suspention longeron, described jack is arranged on shoulder pole girder, prefabricated subsection is suspended on shoulder pole girder by suspender, and described jack can adjust the position of prefabricated subsection;
Described aperture apparatus of crossing comprises the hoist engine be fixedly installed on described front launching nose, and the cable wire of described hoist engine is fixedly connected with described spandrel girder afterbody.
2. bridge fabrication machine as claimed in claim 1, is characterized in that: this bridge fabrication machine also comprises the Beam transportation vehicle for concrete beam to be transported to described tail boom from precast yard.
3. bridge fabrication machine as claimed in claim 1, it is characterized in that: described in the section ratio of described front launching nose, the cross section of girder is little, the front elevational sectional of described girder reduces gradually to front launching nose.
4. bridge fabrication machine as claimed in claim 1, is characterized in that: described front leg strut is telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247846.5U CN204703068U (en) | 2015-04-22 | 2015-04-22 | A kind of up suspention section assembling traversing carriage bridge fabrication machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520247846.5U CN204703068U (en) | 2015-04-22 | 2015-04-22 | A kind of up suspention section assembling traversing carriage bridge fabrication machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| WO2018166519A1 (en) * | 2017-03-17 | 2018-09-20 | 王燏斌 | Bridge building device and construction method therefor |
| CN114084794A (en) * | 2021-11-05 | 2022-02-25 | 中交第二航务工程局有限公司 | Automatic lifting appliance for segmental beam and construction method of automatic lifting appliance |
-
2015
- 2015-04-22 CN CN201520247846.5U patent/CN204703068U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| CN105970833B (en) * | 2016-07-01 | 2017-11-10 | 中国铁路总公司 | Prefabricated subsection splicing span by span bridge fabrication machine |
| WO2018166519A1 (en) * | 2017-03-17 | 2018-09-20 | 王燏斌 | Bridge building device and construction method therefor |
| CN114084794A (en) * | 2021-11-05 | 2022-02-25 | 中交第二航务工程局有限公司 | Automatic lifting appliance for segmental beam and construction method of automatic lifting appliance |
| CN114084794B (en) * | 2021-11-05 | 2023-05-26 | 中交第二航务工程局有限公司 | Automatic lifting appliance for segmental beam and construction method thereof |
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