CN105544401A - Overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with stiffening string - Google Patents
Overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with stiffening string Download PDFInfo
- Publication number
- CN105544401A CN105544401A CN201610016485.2A CN201610016485A CN105544401A CN 105544401 A CN105544401 A CN 105544401A CN 201610016485 A CN201610016485 A CN 201610016485A CN 105544401 A CN105544401 A CN 105544401A
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- purlin
- girder
- jack
- overweight
- center
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses an overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with a stiffening string. The pushing device comprises a sliding device, a vertical jacking device, a horizontal pushing system device and a transverse deviation rectifying device. The sliding device comprises a left girder sliding block, a middle girder sliding block and a right girder sliding block and slideway beams. The sliding blocks are located above the slideway beams, MGE sliding plates with oil channels are arranged at the bottoms of the sliding blocks, and a long MGE stainless steel plate is laid on the tops of the slideway beams. The vertical jacking device comprises a left girder vertical lifting jack, a middle girder vertical lifting jack, a right girder vertical lifting jack, a horizontal counter force seat and distributive girders, and the horizontal contour force seat is fixed to the front ends of the slideway beams. The transverse deviation rectifying device comprises limiting check blocks, deviation rectifying jacks and lateral counter force seats, limiting check blocks are arranged on the left side of the left girder slidway beam and the right side of the right girder slidway beam, no check block is arranged on the middle girder slideway beam, the lateral counter force seats are located on the outer side of the front end of the left girder slideway beam, the outer side of the front end of the middle girder slideway beam and the outer side of the front end of the right girder slideway beam, pistons at the front ends of the deviation rectifying jacks press the outer side walls of the sliding blocks, and the rear ends of the deviation rectifying jacks are limited through the lateral counter force seats.
Description
Technical field
The present invention relates to bridge steel structure technical field, specifically belong to a kind of overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt and to put more energy into string thrustor, be mainly used in band and put more energy into string steel truss girder jack-in erection.
Background technology
Rigid suspended cable stiffening steel truss girder bridge is as the large span combined bridge form of structure of novelty, the at present domestic bridge only having this form of structure.This rigid suspended cable stiffening steel truss girder bridge crosses over the Yellow River major trough, and span is (123+3*180+128) m, and the heavy 37000t of full-bridge, adopts incremental launching method to install erection.Because steel truss girder span is large, rigid suspended cable stiffening string is elongated, tonnage of bridge is excessive, because fulcrum change can cause beam string structure system instability of putting more energy in incremental launching construction process, main truss fulcrum is stressed excessive, need realize pushing tow Multipoint synchronous and control, ensure full-bridge quality of finished bridge.
Existing thrustor is often applied to the less or trusses parallel chords jack-in erection of tonnage.Band rigidity string pushing tow of putting more energy into both had needed strictly to control bridge linear, realized incremental launching construction by multipoint jacking again, and existing thrustor cannot meet overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt and to put more energy into the requirement of string pushing tow.
Summary of the invention
The invention provides a kind of overweight combined bridge rigid suspended cable stiffening continuous steel truss girder pushing device, namely realize the jack-in erection of overweight combined bridge steel truss girder and the accurate location and installation of string of putting more energy into by rigid suspended cable stiffening continuous steel truss girder pushing device.
The technical solution used in the present invention is as follows:
A kind of overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt is put more energy into string thrustor, comprise slide device, vertical top removal device, horizontal-top pushing system device, lateral deviation-correcting device, it is characterized in that: described slide device comprises purlin, left, center, right three slide block 1, slipway beam 2, purlin, described left, center, right three slide block 1 lays respectively at above slipway beam 2, be respectively equipped with out the slide plate 10 of oil duct bottom purlin, left, center, right three slide block 1, elongated corrosion resistant plate 12 is laid at described slipway beam 2 top; Described vertical top removal device comprises the vertical jack 3 in purlin, left, center, right three, horizontal reacting force seat 4, distribution beam 8, described horizontal reacting force seat 4 is fixed on slipway beam 2 front end, described distribution beam 8 is positioned over slipway beam 2 rear end surface respectively, and vertical jack 3 is all established at described horizontal reacting force seat 4 top, distribution beam 8 top; Described horizontal-top pushing system device comprises purlin, left, center, right three horizontally tracting jack 6, drag cable 7, ground tackle 9, draws anchor device 15, purlin, described left, center, right three horizontally tracting jack 6 is installed on horizontal reacting force seat 4 front end respectively, the drag cable 7 of drawing in horizontally tracting jack 6 through ground tackle 9 with slide block 2 or draw anchor device 15 to be connected, described in draw anchor device 15 to be connected with upper chord 14 docking port by high-strength bolt; Described lateral deviation-correcting device comprises positive stop 13, correction jack 5, lateral reaction seat 12.
Described positive stop 13 be arranged on the left of the slipway beam of left purlin with right purlin slipway beam on the right side of space, positive stop is not established in middle purlin, and described lateral reaction seat 12 is positioned at purlin, purlin, left, center, right three slipway beam front end outer side.
Described correction jack 5 forward bolt piston top is pressed on the lateral wall of slide block 1, and rear end is spacing by lateral reaction seat 5.
Described slide plate 10 material is MGE, and corrosion resistant plate 12 material is MGE.
Advantage of the present invention:
1, the present invention is directed to overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt string pushing tow feature of putting more energy into and vertical top removal device is set, its distribution beam can move on slipway beam, top lifting position can be adjusted in real time and play heights of roofs, guaranteeing bridge construction stability and security.
2, the present invention arranges purlin, left, center, right three horizontal-top pushing system device, slide device, vertical top removal device, can meet the pushing tow requirement of overweight steel truss girder, and well control steel truss girder becomes bridge linear, guarantees construction safety.
3, the vertical top removal device of the present invention, not only solves the difficult problem that rigid suspended cable stiffening string installs location, serves protection supporting role during steel truss girder pushing tow simultaneously.
Accompanying drawing explanation
Fig. 1 is layout schematic diagram of the present invention.
Fig. 2 is that facade of the present invention arranges schematic diagram.
Fig. 3 is horizontal-top pushing system device schematic diagram of the present invention.
Fig. 4 is that the present invention's right purlin slipway beam and slide block arrange schematic diagram.
Fig. 5 is that the present invention's left purlin slipway beam and deviation correcting device arrange schematic diagram.
Detailed description of the invention
See accompanying drawing, a kind of overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt is put more energy into string thrustor, comprise slide device, vertical top removal device, horizontal-top pushing system device, lateral deviation-correcting device, it is characterized in that: described slide device comprises purlin, left, center, right three slide block 1, slipway beam 2, purlin, described left, center, right three slide block 1 lays respectively at above slipway beam 2, be respectively equipped with out the MGE material slide plate 10 of oil duct bottom purlin, left, center, right three slide block 1, elongated MGE material corrosion resistant plate 12 is laid at described slipway beam 2 top; Described vertical top removal device comprises the vertical jack 3 in purlin, left, center, right three, horizontal reacting force seat 4, distribution beam 8, described horizontal reacting force seat 4 is fixed on slipway beam 2 front end, described distribution beam 8 is positioned over slipway beam 2 rear end surface respectively, and vertical jack 3 is all established at described horizontal reacting force seat 4 top, distribution beam 8 top; Described horizontal-top pushing system device comprises purlin, left, center, right three horizontally tracting jack 6, drag cable 7, ground tackle 9, draws anchor device 15, purlin, described left, center, right three horizontally tracting jack 6 is installed on horizontal reacting force seat 4 front end respectively, the drag cable 7 of drawing in horizontally tracting jack 6 through ground tackle 9 with slide block 2 or draw anchor device 15 to be connected, described in draw anchor device 15 to be connected with upper chord 14 docking port by high-strength bolt; Described lateral deviation-correcting device comprises positive stop 13, correction jack 5, lateral reaction seat 12, described positive stop 13 be arranged on the left of the slipway beam of left purlin with right purlin slipway beam on the right side of space, positive stop is not established in middle purlin, described lateral reaction seat 12 is positioned at purlin, purlin, left, center, right three slipway beam front end outer side, described correction jack 5 forward bolt piston top is pressed on the lateral wall of slide block 1, and rear end is spacing by lateral reaction seat 5.
Four vertical jacks are all established at slipway beam two ends, purlin, left, center, right three, the middle purlin maximum top lifting power of the vertical jack of every platform is 800t, the left and right purlin maximum top lifting power of the vertical jack of every platform is 500t, the every platform maximum drawbar pull of horizontally tracting jack is 400t, the every platform of correction jack maximum top power is 400t, drag cable is made up of the steel strand of 18 diameters 15.2, and vertical jack range is 200mm.
Claims (4)
1. an overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt is put more energy into string thrustor, it is characterized in that, comprise slide device, vertical top removal device, horizontal-top pushing system device, lateral deviation-correcting device, it is characterized in that: described slide device comprises purlin, left, center, right three slide block, slipway beam, purlin, described left, center, right three slide block lays respectively at above slipway beam, purlin, left, center, right three slider bottom is respectively equipped with out the slide plate of oil duct, and elongated corrosion resistant plate is laid at described slipway beam top; Described vertical top removal device comprises the vertical jack in purlin, left, center, right three, horizontal reacting force seat, distribution beam, described horizontal reacting force seat is fixed on slipway beam front end, described distribution beam is positioned over slipway beam rear end surface respectively, and vertical jack is all established at described horizontal reacting force seat top, distribution beam top; Described horizontal-top pushing system device comprises purlin, left, center, right three horizontally tracting jack, drag cable, ground tackle, draws anchor device, purlin, described left, center, right three horizontally tracting jack is installed on horizontal reacting force seat front end respectively, the drag cable of drawing in horizontally tracting jack through ground tackle with slide block or draw anchor device to be connected, described in draw anchor device to be connected with upper chord docking port by high-strength bolt; Described lateral deviation-correcting device comprises positive stop, correction jack, lateral reaction seat.
2. overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt according to claim 1 is put more energy into string thrustor, it is characterized in that, described positive stop be arranged on the left of the slipway beam of left purlin with right purlin slipway beam on the right side of space, positive stop is not established in middle purlin, and described lateral reaction seat is positioned at purlin, purlin, left, center, right three slipway beam front end outer side.
3. overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt according to claim 1 is put more energy into string thrustor, and it is characterized in that, described correction jack forward bolt piston top is pressed on the lateral wall of slide block, and rear end is spacing by lateral reaction seat.
4. overweight combined bridge rigid suspended cable stiffening continuous truss sill bolt according to claim 1 is put more energy into string thrustor, and it is characterized in that, described slide plate material is MGE, and corrosion resistant plate material is MGE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016485.2A CN105544401A (en) | 2016-01-07 | 2016-01-07 | Overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with stiffening string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016485.2A CN105544401A (en) | 2016-01-07 | 2016-01-07 | Overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with stiffening string |
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| Publication Number | Publication Date |
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| CN105544401A true CN105544401A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016485.2A Pending CN105544401A (en) | 2016-01-07 | 2016-01-07 | Overweight combined highway and railway bridge rigid suspending cable stiffened continuous steel trussed beam pushing device with stiffening string |
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| CN (1) | CN105544401A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223203A (en) * | 2016-08-26 | 2016-12-14 | 中铁四局集团第二工程有限公司 | Steel girder erection support and using method thereof |
| CN107090773A (en) * | 2017-05-22 | 2017-08-25 | 中国铁建大桥工程局集团有限公司 | A kind of concrete prefabricated beam section crack resistence sliding system of kiloton |
| CN112726427A (en) * | 2020-12-25 | 2021-04-30 | 中铁大桥局集团有限公司 | Steel truss pushing construction method and device |
| CN113322832A (en) * | 2021-07-13 | 2021-08-31 | 广西北投公路建设投资集团有限公司 | Bridge incremental launching construction technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101906755A (en) * | 2010-09-06 | 2010-12-08 | 中铁大桥局集团有限公司 | Three-truss continuous steel truss girder pushing device and arrangement method thereof |
| CN102373671A (en) * | 2011-11-18 | 2012-03-14 | 中铁四局集团有限公司 | Steel trussed beam and flexible arch bridge construction method with vault pushing |
| CN102619174A (en) * | 2012-03-20 | 2012-08-01 | 中铁四局集团钢结构有限公司 | Large-span continuous steel truss girder arch pushing device |
| CN103266573A (en) * | 2013-06-17 | 2013-08-28 | 中铁山桥集团有限公司 | Self-anchored suspension bridge steel box girder three-slideway synchronous jacking construction method |
| CN103510475A (en) * | 2013-09-27 | 2014-01-15 | 中铁大桥局股份有限公司 | Long-distance pushing construction method of thee-main-truss steel truss beam in single-connection and double-span modes without guide beam |
-
2016
- 2016-01-07 CN CN201610016485.2A patent/CN105544401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906755A (en) * | 2010-09-06 | 2010-12-08 | 中铁大桥局集团有限公司 | Three-truss continuous steel truss girder pushing device and arrangement method thereof |
| CN102373671A (en) * | 2011-11-18 | 2012-03-14 | 中铁四局集团有限公司 | Steel trussed beam and flexible arch bridge construction method with vault pushing |
| CN102619174A (en) * | 2012-03-20 | 2012-08-01 | 中铁四局集团钢结构有限公司 | Large-span continuous steel truss girder arch pushing device |
| CN103266573A (en) * | 2013-06-17 | 2013-08-28 | 中铁山桥集团有限公司 | Self-anchored suspension bridge steel box girder three-slideway synchronous jacking construction method |
| CN103510475A (en) * | 2013-09-27 | 2014-01-15 | 中铁大桥局股份有限公司 | Long-distance pushing construction method of thee-main-truss steel truss beam in single-connection and double-span modes without guide beam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223203A (en) * | 2016-08-26 | 2016-12-14 | 中铁四局集团第二工程有限公司 | Steel girder erection support and using method thereof |
| CN107090773A (en) * | 2017-05-22 | 2017-08-25 | 中国铁建大桥工程局集团有限公司 | A kind of concrete prefabricated beam section crack resistence sliding system of kiloton |
| CN112726427A (en) * | 2020-12-25 | 2021-04-30 | 中铁大桥局集团有限公司 | Steel truss pushing construction method and device |
| CN113322832A (en) * | 2021-07-13 | 2021-08-31 | 广西北投公路建设投资集团有限公司 | Bridge incremental launching construction technology |
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Application publication date: 20160504 |
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| RJ01 | Rejection of invention patent application after publication |