CN203782573U - Drag runway structure for erecting steel pipe arch bridge - Google Patents
Drag runway structure for erecting steel pipe arch bridge Download PDFInfo
- Publication number
- CN203782573U CN203782573U CN201420003559.5U CN201420003559U CN203782573U CN 203782573 U CN203782573 U CN 203782573U CN 201420003559 U CN201420003559 U CN 201420003559U CN 203782573 U CN203782573 U CN 203782573U
- Authority
- CN
- China
- Prior art keywords
- runway
- column
- nose girder
- steel pipe
- arch bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 210000001331 nose Anatomy 0.000 claims description 38
- 230000000916 dilatatory effect Effects 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a drag runway structure for erecting a steel pipe arch bridge. The drag runway structure comprises two rows of stand columns, idler wheels are arranged on the tops of the stand columns, guide beams and lateral combinations connected with the guide beams are arranged above the stand columns, inverted steel rails are fixedly installed at the bottoms of the guide beams to be matched with the idler wheels and can slide relatively, supporting pieces fixedly connecting the stand columns with the guide beams are installed on the peripheries of the idler wheels, and arch frame moving rails are installed on the tops of the guide beams. According to the drag runway structure, the drag runway can be erected through forward push and movement section by section, only a small crane needs to be arranged at one end of the runway for hoisting to accomplish the whole erecting process, and no large cranes are needed. When the drag runway structure is used for the construction of spanning large station yards, almost no influence is produced for station yard operation, the drag runway structure is not limited by trunk line electrification safety regulation requirements and railway operation conditions, and construction is quite convenient.
Description
Technical field
The present invention relates to bridge erection technology, particularly a kind of steel pipe arch bridge sets up by dilatory runway structure.
Background technology
While construction in field, long-span steel pipe arch bridge spanning existing railway junction, face many technical difficulties, its arch rib and construction weight are large, and installation accuracy requires high, and lifting spatial altitude is high, but can not adopt large-scale hoisting machinery equipment.
Steel pipe arch bridge is commonly used mounting method, mainly contains without assembling on support cable hoisting, limited bracket cable hoisting, full wafer arch rib or the installation of limited bracket crane barge, suspension bridge type cable hoisting, rotator construction, support, the hanging spelling of jack oblique pull button etc.Required and railway operation condition restriction by railway electrification safety regulation, large-scale hoisting machinery equipment often cannot be moved in field, large-scale junction, thereby above-mentioned several method is difficult to implement.
In order to address the above problem, we can adopt above field, station and set up dilatory runway, and bracket is placed on dilatory runway, pull mode mobile in place along dilatory runway.Its bow member does not need to use crane while construction above field, station, can not exert an influence to railway operation, has well solved the problems referred to above.But, adopting the method, this runway need to be crossed over whole station equally for the dilatory mobile dilatory runway of bow member first must to build one, and it is built and exists equally above-mentioned steel pipe arch bridge to build the problem of existence.
Summary of the invention
The present invention be intended to provide a kind of can conveniently realize cross over that field, large-scale station builds for setting up the dilatory runway structure of steel pipe arch bridge, cross over railway pivot station field erection construction installation question for solving long-span steel pipe arch bridge.
The steel pipe arch bridge that sets up of the present invention is with drawing runway structure, comprise along steel pipe arch bridge and set up two row's columns that direction is arranged in parallel, two row's columns formation group relatively between two, each group column top all arranges roller, and the base of roller and column top fixedly secure, and between two adjacent groups column, nose girder are set, the bottom of nose girder fixedly mounts inverted rail, the elongated layout of rail, is placed on roller and matches with roller, provides a longitudinal slide plane to nose girder; The horizontal-associate that laterally connects two side launching noses is placed in the top of each group of column, by upright supports; Roller periphery is also provided with the support member that column and nose girder are connected firmly, so that column can pass through support member fixed support nose girder; Bow member moving track is installed at the top of nose girder, and described bow member moving track comprises the limit that stops of guide pass that middle part is smooth and guide pass both sides.
The steel pipe arch bridge that sets up of the present invention is with drawing runway structure, when dilatory runway is built, two row's columns are first installed, fixed idler whell above column, lift afterwards nose girder and the horizontal-associate thereof of first paragraph in end, the rail of nose girder bottom is placed on the roller at column top, pass through hoist engine, the driving mechanisms such as hydraulic cylinder drive first paragraph nose girder and horizontal-associate to move forward in place, then at end lifting second segment nose girder and horizontal-associate thereof, second segment is connected with first paragraph nose girder, again drive and be advanced to the next position by driving mechanism, by repeating said process, can realize the in place of whole dilatory runway nose girder and horizontal-associate.After nose girder and horizontal-associate are in place, in the roller periphery at each column top, the support member that connects firmly column and nose girder is installed by the mode of bolt or welding again, provide the support to nose girder by support member, thereby make whole nose girder no longer only by roller supporting, thereby column, nose girder, horizontal-associate are connected, slippage no longer relatively, thus building of dilatory runway completed.The steel pipe arch bridge that sets up of the present invention is with drawing runway structure, can complete building of dilatory runway by the mode of passing forward piecemeal, whole build process only need to arrange small crane in an end of runway and lift and can complete, and does not need to call large-scale crane.While being used for crossing over the construction of field, large-scale station, almost can not produce any impact to a station operation, not be subject to the requirement of railway electrification safety regulation and railway operation condition restriction, construct very convenient.Dilatory runway of the present invention top is provided with bow member moving track, and the bow member of steel pipe arch bridge can move along dilatory runway by bow member moving track, thereby offers convenience across the construction of field, large-scale station steel pipe arch bridge bow member for realizing.
Brief description of the drawings
Fig. 1, Fig. 2 are the dilatory runway structural representations for steel pipe arch bridge that sets up described in the utility model.
Detailed description of the invention
One is set up dilatory runway structure for steel pipe arch bridge, as shown in Figure 1, Figure 2, comprise along steel pipe arch bridge and set up two row's column 1, two row's columns formation group relatively between two that direction is arranged in parallel, respectively organize column top roller 2 is all set, the base of roller and column top fixedly secure, nose girder 3 is set between two adjacent groups column, and the bottom of nose girder fixedly mounts inverted rail 4, the elongated layout of rail, be placed on roller and match with roller, provide a longitudinal slide plane to nose girder; The horizontal-associate 5 that laterally connects two side launching noses is placed in the top of each group of column, by upright supports; Roller periphery is also provided with the support member 6 that column and nose girder are connected firmly, so that column can pass through support member fixed support nose girder; Bow member moving track 7 is installed at the top of nose girder, and described bow member moving track comprises the limit that stops of guide pass that middle part is smooth and guide pass both sides.
Described support member can be the steel plate that is positioned at roller both sides, direct and column and nose girder welding, or by bolt while and column and nose girder bolt.Wherein, the mode of welding, makes column be connected with nose girder more solid and reliable, but its mounting or dismounting are inconvenient.The mode of bolt is is installed and removed more convenient.
Described column, nose girder, crossbeam all can adopt universal rod body assembled, and its structure can ensure the requirement of bearing strength, make again installation and removal become very convenient.The universal rod body of dismounting can reuse simultaneously, and it has significantly reduced success, and environmental-protecting performance is extremely excellent.
In order to ensure the intensity of bow member moving track, make it meet the instructions for use that large weight bow member tows, bow member moving track bottom can arrange reinforcement structure, described reinforcement structure comprises upper and lower two two parallel steel plates, between two parallel steel plates side by side near install multiple i iron, the upper and lower surface of i iron connects firmly respectively at two parallel steel plates, and the outer rim of two parallel steel plates connects by bolt screw rod again; Bow member moving track is positioned at the top of upper steel plate, comprises the limit that stops of the smooth guide pass in middle part and guide pass both sides.In the outside that stops limit, deep floor can be set.
Claims (5)
1. one kind is set up dilatory runway structure for steel pipe arch bridge, comprise along steel pipe arch bridge and set up two row's columns (1) that direction is arranged in parallel, two row's columns formation group relatively between two, it is characterized in that: respectively organize column top roller (2) is all set, the base of roller and column top fixedly secure, and nose girder (3) is set between two adjacent groups column, the bottom of nose girder fixedly mounts inverted rail (4), the elongated layout of rail, is placed on roller and matches with roller, provides a longitudinal slide plane to nose girder; The horizontal-associate (5) that laterally connects two side launching noses is placed in the top of each group of column, by upright supports; Roller periphery is also provided with the support member (6) that column and nose girder are connected firmly, so that column can pass through support member fixed support nose girder; Bow member moving track (7) is installed at the top of nose girder, and described bow member moving track comprises the limit that stops of guide pass that middle part is smooth and guide pass both sides.
2. the steel pipe arch bridge that sets up according to claim 1, with drawing runway structure, is characterized in that: described support member (6) is positioned at the steel plate of roller both sides, by bolt while and column and nose girder bolt.
3. the steel pipe arch bridge that sets up according to claim 1 is with drawing runway structure, it is characterized in that: bow member moving track bottom is provided with reinforcement structure, strengthen structure and comprise upper and lower two two parallel steel plates, between two parallel steel plates side by side near install multiple i iron, the upper and lower surface of i iron connects firmly respectively at two parallel steel plates, connects in the outer rim of two parallel steel plates by bolt screw rod again; Bow member moving track is positioned at the top of upper steel plate, comprises the limit that stops of the smooth guide pass in middle part and guide pass both sides, in the outside that stops limit, deep floor can be set.
4. the steel pipe arch bridge that sets up according to claim 1, with drawing runway structure, is characterized in that: described column is assembled by universal rod body.
5. the steel pipe arch bridge that sets up according to claim 1, with drawing runway structure, is characterized in that: described nose girder and/or horizontal-associate are assembled by universal rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003559.5U CN203782573U (en) | 2014-01-04 | 2014-01-04 | Drag runway structure for erecting steel pipe arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003559.5U CN203782573U (en) | 2014-01-04 | 2014-01-04 | Drag runway structure for erecting steel pipe arch bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782573U true CN203782573U (en) | 2014-08-20 |
Family
ID=51318776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420003559.5U Expired - Lifetime CN203782573U (en) | 2014-01-04 | 2014-01-04 | Drag runway structure for erecting steel pipe arch bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203782573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442402A (en) * | 2018-04-13 | 2018-08-24 | 中冶焦耐(大连)工程技术有限公司 | A kind of destructive distillation oven carbonization chamber foundation beam structure |
| CN109606550A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of moveable support for LNG ship cargo hold containment system mounting platform |
-
2014
- 2014-01-04 CN CN201420003559.5U patent/CN203782573U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442402A (en) * | 2018-04-13 | 2018-08-24 | 中冶焦耐(大连)工程技术有限公司 | A kind of destructive distillation oven carbonization chamber foundation beam structure |
| CN109606550A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of moveable support for LNG ship cargo hold containment system mounting platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |