CN102041781A - Enclosed lake beam type steel bridge installation method based on portal crane - Google Patents
Enclosed lake beam type steel bridge installation method based on portal crane Download PDFInfo
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- CN102041781A CN102041781A CN 201110007084 CN201110007084A CN102041781A CN 102041781 A CN102041781 A CN 102041781A CN 201110007084 CN201110007084 CN 201110007084 CN 201110007084 A CN201110007084 A CN 201110007084A CN 102041781 A CN102041781 A CN 102041781A
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Abstract
The invention provides an enclosed lake beam type steel bridge installation method based on a portal crane, and the method is specifically applied in construction of enclosed lake beam type steel bridges and belongs to the field of civil engineering. The method mainly comprises: the portal crane is installed at the shoreside of a bridgehead; after the portal crane is installed, the portal crane moves to a position in which a steel bridge segment is required to be lifted along a track system; and a trolley on the portal crane lifts the steel bridge segment on a trestle, transversely moves to a position at which the steel bridge segment is required to be installed, on a steel bridge assembly jig, and installs the steel bridge segment on the steel bridge assembly jig, thus finishing installation of the enclosed lake beam type steel bridge. By utilizing the method provided by the invention to complete the installation of the enclosed lake beam type steel bridge, a large-scale bridge section can be lifted up, the lifting is precise and stable; multipoint lifting can be carried out according to needs; the problem that the enclosed lake bridge construction is difficult is solved; and the bridge construction period is greatly shortened, thereby greatly lowering the construction cost.
Description
Technical field
The present invention relates to a kind of inland lake beam type steel bridge method is installed, specifically be applied to belong to field of civil engineering in the construction of inland lake beam type steel bridge based on gantry crane.
Background technology
Along with the fast development in China city, people's car density sharply strengthens, and traffic problems are also more and more, in order to alleviate traffic pressure, often need to build on the lake large bridge, therefore steel beam structure inland lake bridge is widely used in the bridge of inland lake owing to the advantage in duration and the construction.Because the own characteristic of inland lake, must on the water surface, construct, therefore be unfavorable for taking up an area of bigger automobile loop wheel machine or the crawler belt loop wheel machine lifts, and because lake surface is wide, therefore also be unfavorable for setting up cable and carry out the cable crane lifting, because lake water is shallow or do not have navigation condition,, be unfavorable for the large-scale floating crane lifting again so large ship can't be opened the navigation or air flight.Therefore, inland lake construction large-scale steel structure bridge is exactly a more scabrous problem for construction always.
Summary of the invention
The invention provides a kind of inland lake beam type steel bridge method is installed, solved the difficult shortcoming of construction in the beam type steel bridge construction of existing inland lake based on gantry crane.
Realize that the technical scheme that above-mentioned purpose of the present invention adopted is:
A kind of inland lake beam type steel bridge based on gantry crane is installed method, may further comprise the steps: the gantry crane installation site is positioned at the bank of end of the bridge, from installation site Yan Qiao the support rail stake is installed vertically then, bearing peg and bearing pile, the support rail stake is positioned at the both sides of bearing pile and bearing peg, attachment rail system on the support rail stake, the trestle bridge floor is installed on bearing pile, the steel bridge moulding bed is installed on bearing pile, rail system, trestle bridge floor and steel bridge moulding bed three are parallel to each other, on the gantry crane installation site, gantry crane is installed, gantry crane moves to the position that needs lifting steel bridge sections along rail system then, behind the location, dolly on the gantry crane is sling the steel bridge sections on the trestle, laterally moving to needs to install steel bridge sections place on the steel bridge moulding bed, after being installed in the steel bridge sections on the steel bridge moulding bed, continue other steel bridge sections of lifting, finish the installation of inland lake beam type steel bridge.
The steel bridge moulding bed is provided with jack, and the steel bridge sections is transported on the trestle by carrier.Rail system comprises distribution beam, support rail beam and track.
The inventive method is simple to operate, and safe and reliable, and can construct simultaneously according to construction needs multiple spot, thereby can shorten the construction period, reduces construction cost.
Description of drawings
Fig. 1 is the construction state diagram of the inventive method;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is the structural representation of rail system;
Among the figure, 1-fabricating yard, 2-gantry crane, 3-trestle bridge floor, 4-steel bridge sections, 5-dolly, the stake of 6-support rail, 7-bearing peg, 8-bearing pile, 9-steel bridge moulding bed, 10-jack, 11-track, 12-support rail beam, 13-distribution beam.
The specific embodiment
Below in conjunction with embodiments of the invention the present invention is done detailed specific description.
Fig. 1 is the construction state diagram of the embodiment of the invention, as shown in Figure 1, chooses the fabricating yard 1 of a hard place as gantry crane 2 on the bank of end of the bridge.1 along bridge support rail stake 6, bearing peg 7 and bearing pile 8 are installed respectively vertically with pile driving barge from the fabricating yard then, support rail stake 6 has two rows, is distributed in the both sides of bearing peg 7 and bearing pile 8.Lay trestle bridge floor 3 on bearing peg 7, passive steel bridge moulding bed 9 is installed on bearing pile 8, steel bridge moulding bed 9 is provided with jack 10, as shown in Figure 2.Attachment rail system on support rail stake 6, rail system, trestle and steel bridge three are parallel to each other.Rail system comprises track 11, support rail beam 12 and distribution beam 13, and wherein distribution beam 13 is installed in the support rail stake 6, and support rail beam 12 is installed on the distribution beam 13, track 11 is installed, as shown in Figure 3 on the support rail beam 12.Assemble gantry crane 2 simultaneously on fabricating yard 1, the gantry crane 2 after assembling is finished can move on track 11.
After finishing above-mentioned work, earlier gantry crane 2 is reached the position that needs lifting steel bridge sections 4 along track 11, also steel bridge sections 4 usefulness carriers are transported to simultaneously the position identical with gantry crane 2 on trestle, behind gantry crane 2 location, follow the suspension centre of steel bridge sections 4 to connect the suspender of the dolly on the gantry crane 25, lifting, first vertical-lift, after reaching certain hoisting depth, no longer promote, dolly 5 laterally moves on gantry crane 2, and steel bridge sections 4 is moved to the position that needs installation on the steel bridge moulding bed 9, falls behind the aligning, then with the position of supporting the jack 10 fine adjustment steel bridge sections 4 on the moulding bed 9, after finishing the installation of steel bridge sections 4, continue other steel bridge sections 4 of lifting, until the installation of finishing the bed rearrangement steel bridge.
Inland lake beam type steel bridge based on gantry crane provided by the invention is installed method, gantry crane 2 generally adopt from the steel bridge two ends to the centre from the middle to both ends or order from one end to the other side finish lifting to steel bridge sections 4.For continuous beam on many supports formula steel bridge, can adopt with each bridge pier is the scheme that starting point is installed to span centre, accelerating construction progress so greatly.For guaranteeing construction equipment safety, gantry crane 2 should be parked in the other fabricating yard 1 of loke shore in construction stage not.
Adopt method of the present invention to finish the installation of inland lake beam type steel bridge, not only can lift large-scale bridge section, and lifting is accurate, stable, and can carry out the multiple spot lifting as required, solve the problem of inland lake bridge construction difficulty, shorten the bridge construction duration greatly, thereby reduced construction cost.
Claims (4)
1. the inland lake beam type steel bridge based on gantry crane is installed method, it is characterized in that: the gantry crane installation site is positioned at the bank of end of the bridge, from installation site Yan Qiao the support rail stake is installed vertically then, bearing peg and bearing pile, the support rail stake is positioned at the both sides of bearing pile and bearing peg, attachment rail system on the support rail stake, the trestle bridge floor is installed on bearing pile, the steel bridge moulding bed is installed on bearing pile, rail system, trestle bridge floor and steel bridge moulding bed three are parallel to each other, on the gantry crane installation site, gantry crane is installed, gantry crane moves to the position that needs lifting steel bridge sections along rail system then, behind the location, dolly on the gantry crane is sling the steel bridge sections on the trestle, laterally moving to needs to install steel bridge sections place on the steel bridge moulding bed, after being installed in the steel bridge sections on the steel bridge moulding bed, continue other steel bridge sections of lifting, finish the installation of inland lake beam type steel bridge.
2. a kind of inland lake according to claim 1 beam type steel bridge gantry crane is installed method, and it is characterized in that: the steel bridge moulding bed is provided with jack.
3. a kind of inland lake according to claim 1 beam type steel bridge gantry crane is installed method, and it is characterized in that: the steel bridge sections is transported on the trestle by carrier.
4. a kind of inland lake according to claim 1 beam type steel bridge gantry crane is installed method, and it is characterized in that: rail system comprises distribution beam, support rail beam and track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100070848A CN102041781B (en) | 2011-01-13 | 2011-01-13 | Enclosed lake beam type steel bridge installation method based on portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100070848A CN102041781B (en) | 2011-01-13 | 2011-01-13 | Enclosed lake beam type steel bridge installation method based on portal crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102041781A true CN102041781A (en) | 2011-05-04 |
| CN102041781B CN102041781B (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100070848A Active CN102041781B (en) | 2011-01-13 | 2011-01-13 | Enclosed lake beam type steel bridge installation method based on portal crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532735A (en) * | 2014-12-25 | 2015-04-22 | 浙江兴土桥梁专用装备制造有限公司 | Assembly type steel bridge and building method thereof |
| CN109823970A (en) * | 2019-02-20 | 2019-05-31 | 广西路桥工程集团有限公司 | A kind of bridge construction steel construction transportation resources |
| CN112523087A (en) * | 2020-10-16 | 2021-03-19 | 保利长大工程有限公司 | A beam lifting station for beam slab erects |
| CN112978597A (en) * | 2019-12-14 | 2021-06-18 | 烟台新科钢结构有限公司 | Automatic elevator for mounting multi-section combined gantry crane supporting legs |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3471248B2 (en) * | 1999-03-31 | 2003-12-02 | 由徳 田村 | Portal crane |
| CN101139821A (en) * | 2007-10-16 | 2008-03-12 | 中铁大桥局集团第四工程有限公司 | Method and system for erecting steel trusses by stay cable auxiliary complete cantilever |
| CN101265690A (en) * | 2007-10-08 | 2008-09-17 | 中铁四局集团有限公司 | Method for protectively dismantling arch bridge |
| CN201151881Y (en) * | 2008-01-18 | 2008-11-19 | 中铁二局股份有限公司 | Wheeltrack type hoisting girder machine |
| CN101476291A (en) * | 2009-01-21 | 2009-07-08 | 中铁一局集团有限公司 | Segment-assembling simply supported box girder movable falsework construction method |
| CN101831888A (en) * | 2010-05-14 | 2010-09-15 | 郑州新大方重工科技有限公司 | 1200 tonner water conservancy aqueduct transportation and erection equipment |
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2011
- 2011-01-13 CN CN2011100070848A patent/CN102041781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3471248B2 (en) * | 1999-03-31 | 2003-12-02 | 由徳 田村 | Portal crane |
| CN101265690A (en) * | 2007-10-08 | 2008-09-17 | 中铁四局集团有限公司 | Method for protectively dismantling arch bridge |
| CN101139821A (en) * | 2007-10-16 | 2008-03-12 | 中铁大桥局集团第四工程有限公司 | Method and system for erecting steel trusses by stay cable auxiliary complete cantilever |
| CN201151881Y (en) * | 2008-01-18 | 2008-11-19 | 中铁二局股份有限公司 | Wheeltrack type hoisting girder machine |
| CN101476291A (en) * | 2009-01-21 | 2009-07-08 | 中铁一局集团有限公司 | Segment-assembling simply supported box girder movable falsework construction method |
| CN101831888A (en) * | 2010-05-14 | 2010-09-15 | 郑州新大方重工科技有限公司 | 1200 tonner water conservancy aqueduct transportation and erection equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532735A (en) * | 2014-12-25 | 2015-04-22 | 浙江兴土桥梁专用装备制造有限公司 | Assembly type steel bridge and building method thereof |
| CN104532735B (en) * | 2014-12-25 | 2016-07-06 | 浙江兴土桥梁临时钢结构工程有限公司 | A kind of assembled steel bridge and building method thereof |
| CN109823970A (en) * | 2019-02-20 | 2019-05-31 | 广西路桥工程集团有限公司 | A kind of bridge construction steel construction transportation resources |
| CN112978597A (en) * | 2019-12-14 | 2021-06-18 | 烟台新科钢结构有限公司 | Automatic elevator for mounting multi-section combined gantry crane supporting legs |
| CN112523087A (en) * | 2020-10-16 | 2021-03-19 | 保利长大工程有限公司 | A beam lifting station for beam slab erects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102041781B (en) | 2012-02-29 |
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