CN102409612A - Beam erecting process of cantilever gantry crane conversion platform crossing existing railway line - Google Patents

Beam erecting process of cantilever gantry crane conversion platform crossing existing railway line Download PDF

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Publication number
CN102409612A
CN102409612A CN2011102333833A CN201110233383A CN102409612A CN 102409612 A CN102409612 A CN 102409612A CN 2011102333833 A CN2011102333833 A CN 2011102333833A CN 201110233383 A CN201110233383 A CN 201110233383A CN 102409612 A CN102409612 A CN 102409612A
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China
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platform
railway line
existing railway
place
feeding
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CN2011102333833A
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Chinese (zh)
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CN102409612B (en
Inventor
王新民
李慧敏
赵建龙
王永彪
张翠芹
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中铁十七局集团第二工程有限公司
中铁十七局集团有限公司
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Priority to CN 201110233383 priority Critical patent/CN102409612B/en
Publication of CN102409612A publication Critical patent/CN102409612A/en
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Publication of CN102409612B publication Critical patent/CN102409612B/en

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Abstract

The invention discloses a beam erecting process of a cantilever gantry crane conversion platform crossing the existing railway line. The beam erecting process is characterized by comprising the following steps of: firstly arranging continuous thin-wall piers symmetrically about the two sides of the longitudinal direction of the existing railway line; erecting a beam feeding platform with beam bodies to be erected outside the thin-wall pier at one side in advance; in the blocked period, arranging a cantilever gantry crane in the direction crossing the railway line; using a front crane and a rear crane at the end of a main beam cantilever of the cantilever gantry crane to move the beam bodies to be erected horizontally so as to be erected quickly and accurately on the symmetric thin-wall piers and form in-place beam bodies; simultaneously, arranging next pin of beam bodies to be erected on the beam feeding platform; repeating the steps till at least four pins of in-place beam bodies are erected, longitudinally connecting the beam bodies, laying the bridge deck and forming a beam-storing platform; utilizing the non-blocked period to store beams temporarily on the beam-storing platform; and when the blocking starts, quickly moving the beam bodies on the beam-storing platform pin by pin longitudinally to be in place.

Description

Across the cantilever straddle truck conversion platform of the existing railway line technology of setting a roof beam in place

Technical field

The present invention relates to a kind of erection method of high-speed railway bridge, be specially a kind of conversion platform that utilizes the busy railway operation line of cantilever straddle truck traverse technology of setting a roof beam in place.

Technical background

When high-speed railway turnover station, to cross over many existing railways; Less because of High Speed Railway and the existing railway line angle of cut, the mode that needs to adopt oblique just doing the space rigid bridge is crossed over existing railway, and promptly continuous light thin wall bridge pier (save and take up an area of) is adopted in both sides; Set up and cross over the existing railway line gooseneck; Lay vertical bridge deck above that, form the overpass bridge of certain-length, on bridge, lay the wire high speed railway ballastless track.

By operation security regulation, need when on existing railway line, building a bridge temporarily operating line to be blocked, on the one hand, because the existing railway operation is busy, difficulty is examined in existing railway line blockade plan, and the permission engineering time behind the every day track blockade is shorter; On the other hand, high-speed railway receives the duration restriction, must accomplish the beam body in the duration in regulation and set up, and Given this plants situation, crosses over and does not also adopt the operation of single suspension centre hoisting machine tool when existing line is set a roof beam in place.

Summary of the invention

The objective of the invention is to, provide a kind of and can guarantee that in the limited engineering time Blackout period existing railway line operation security, speed of application are faster across the high ferro bridge erection method of existing railway line.

For reaching above purpose, the present invention takes following technical scheme to be achieved:

A kind of cantilever straddle truck conversion platform across existing railway line technology of setting a roof beam in place is characterized in that, comprises the steps:

(1), continuous thin-wall piers is set along the vertical bilateral symmetry of existing railway line in the existing railway line non-blockade period;

(2) outside the thin-wall piers of existing railway line one side, set up the feeding beam platform in advance, have on the feeding beam platform and wait to set up the beam body, the level height of this beam body exceeds more than the 2m than the height of existing railway line contact net;

(3) in existing railway line blocks the period, across the cantilever straddle truck that the setting of existing railway line direction can vertically be walked, loop wheel machine and each 1 of back loop wheel machine before the girder of cantilever straddle truck is provided with;

(4) in existing railway line blocks the period, utilize forward and backward double crane on the cantilever straddle truck girder that treating on the feeding beam platform set up the beam body and laterally move, quick and precisely be erected on the thin-wall piers of symmetry and form beam body in place;

(5) in execution in step (4), next Pin is waited to set up the beam body place on the feeding beam platform;

(6) repeating step (4)~(5) reach at least 4 Pin until the beam body in place that is set up; Wherein, utilize the cantilever straddle truck to get the beam time, accomplish the vertical connection between the beam body in place, and lay bridge floor, form and deposit the Liangping platform;

(7) utilize the non-blockade period of existing railway line, deposit beam on the platform of Liangping to depositing temporarily with the cantilever straddle truck;

When (8) utilizing existing railway line to begin to block, the beam body that will deposit fast on the platform of Liangping vertically moves in place by Pin.

In the above-mentioned technology, said feeding beam platform installs and fixes support near thin-wall piers one end, the preceding relatively loop wheel machine in fixed support top; Away from thin-wall piers one end attachment rail coaster, wait to set up the beam body and place on the feeding beam platform on the feeding beam platform, one sits up straight on fixed support, and the other end is sitting on the Rail sliding car; The said double crane of step (4) sets up the laterally mobile concrete steps of beam body with treating on the feeding beam platform: will wait to set up beam body front end with preceding loop wheel machine and mention the disengaging fixed support; Loop wheel machine and Rail sliding car interlock before the order; Level of synchronization moves to waits to set up loop wheel machine below, arrival back, beam body rear end; This moment back loop wheel machine is mentioned the rear end of waiting to set up the beam body coaster that de-orbits, and it is in place that the forward and backward loop wheel machine of interlock control will wait to set up the beam that accurately falls on the thin-wall piers that beam body front and back ends level moves to symmetry synchronously then, accomplishes the 1st Pin and wait to set up setting up of beam body; Utilize the walking function of straddle truck, set up the 2nd~4 Pin by Pin and wait to set up the beam body.

The present invention compares the prior art difference and is: will vertically set a roof beam in place and change crossbolster into, the advantage of this technology is:

1. be utilized in the existing railway line side and set up the feeding beam platform, deposit beam in advance, can shorten the traversing time of beam body.

2. utilize the protective action of the bridge floor of the crossbeam formation of setting up in advance to existing railway line; It is deposited the Liangping platform as the construction of non-blockade period; Further create conditions for blocking the period construction in advance, shorten the beam body in the displacement of blocking in the period, thereby improve work efficiency.

3. utilize the double crane of cantilever straddle truck, realize crossing over two suspension centre safety works of existing railway line.

4. utilize transfer, interlock control technology, realize the transfer and the interlock of cantilever straddle truck double crane.

Through technology of the present invention, under conditionalities such as limited blockade period and duration are extremely urgent, can accomplish the task of setting a roof beam in place that high ferro passes in and out the station safely, fast.Technology of the present invention is also in the engineering construction applicable to conditions of similarity.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed description.

Fig. 1 is a technological principle sketch map of the present invention.

Among the figure: 1. straddle truck girder; 2. the Eight characters props up leg walking mechanism; 3. a common leg walking mechanism; 4. track out of shape; 5. preceding loop wheel machine; 6. loop wheel machine after; 7. feeding beam platform; 8. wait to set up the beam body; 9. fixed support; 10. Rail sliding car; 11. thin-wall piers; 12, existing railway line contact net; 13, existing railway line.

The specific embodiment

Device and equipment that technology of the present invention comprises have: large span (50m) cantilever self-propelled rail gantry crane, feeding beam platform, can the beam body hung onto on the cooperation loop wheel machine, feeding beam platform of ability on the feeding beam platform and can join the synchronization-moving rail mounted coaster of control with the straddle truck loop wheel machine.

As shown in Figure 1, utilize the non-blockade period, along existing railway line 13 vertical bilateral symmetry continuous thin-wall piers 11 is set; Outside the thin-wall piers of existing railway line one side, set up feeding beam platform 7 in advance, the feeding beam platform installs and fixes near thin-wall piers one end and supports 9, the preceding relatively loop wheel machine 5 in fixed support top; On the feeding beam platform away from thin-wall piers one end attachment rail coaster 10; Utilizing cooperation loop wheel machine (not drawing among the figure) will wait to set up beam body 8 places on the feeding beam platform 7; One sits up straight on fixed support; The other end is sitting on the Rail sliding car, and makes and wait to set up beam body 8 level heights and exceed more than the 2m than the height of existing railway line contact net 12, treats frame.

In existing railway blocks the period, across large span (50m) the self-propelled rail gantry crane that existing railway line 13 direction settings can vertically be walked, loop wheel machine 5 and back loop wheel machine 6 before this cantilever straddle truck kingpost cantalever end is provided with.

The phase I of technology of the present invention; In existing railway line blocks the period; The forward and backward double crane 5,6 that utilizes cantilever straddle truck kingpost cantalever end sets up beam body 8 with treating on the feeding beam platform 7 and laterally moves, and quick and precisely is erected on the thin-wall piers 11 of symmetry and forms beam body in place.Concrete scheme of architecture is: will wait to set up beam body 8 front ends with preceding loop wheel machine 5 and mention disengaging fixed support 9; Loop wheel machine 5 and Rail sliding car 10 interlocks before the order; Level of synchronization moves to waits to set up loop wheel machine 6 belows, arrival back, beam body 8 rear ends; This moment back loop wheel machine 6 is mentioned the rear end of waiting to set up the beam body coaster 10 that de-orbits, and it is in place that the forward and backward loop wheel machine of interlock control will wait to set up the beam that accurately falls on the thin-wall piers that beam body front and back ends level moves to symmetry synchronously then, accomplishes the 1st Pin and wait to set up setting up of beam body; Utilize vertical walking function of straddle truck walking mechanism 2,3, repeat above step and set up the 2nd~4 Pin and wait to set up the beam body by Pin.Meanwhile, when waiting that setting up beam body 8 shifts out feeding beam platform 7, in time additional next Pin waits to set up the beam body and treats frame on feeding beam platform 7, mends the beam time to shorten, and improves work efficiency, saves the existing railway line blocking time of preciousness.Wherein, straddle truck capable of using is got the finite time of beam, the artificial vertical connection that cooperates between the manned beam body of completion.

Second stage; In place as 4 Pin beam bodies, the beam body is vertically connected, and lay bridge floor; Promptly existing railway line has been formed the rigidity security protection in certain zone after bridge floor lay to be accomplished, what above existing railway line, formed 4 Pin beam body width simultaneously deposits the Liangping platform.

Utilize the non-blockade period of existing railway line, carry out depositing the beam operation on the platform of Liangping temporarily to depositing with the cantilever straddle truck.Utilize existing railway line to block the period, deposited beam beam body with the cantilever straddle truck and vertically moved operation in place, so just increased substantially the time availability in the limited blockade period, improved the speed of setting a roof beam in place by Pin.

With construction speed; Depositing the Liangping platform will constantly widen; Non-blocking time capable of using vertically is transported to the beam body in advance and deposits beam near setting up a little, until deposit beam quantity greater than blocking time in the cantilever straddle truck can accomplish the maximum value of moving beam quantity, work efficiency is increased at utmost.

Claims (3)

1. the cantilever straddle truck conversion platform across existing railway line technology of setting a roof beam in place is characterized in that, comprises the steps:
(1), continuous thin-wall piers is set along the vertical bilateral symmetry of existing railway line in the existing railway line non-blockade period;
(2) outside the thin-wall piers of existing railway line one side, set up the feeding beam platform in advance, have on the feeding beam platform and wait to set up the beam body, the level height of this beam body exceeds more than the 2m than the height of existing railway line contact net;
(3) in existing railway line blocks the period, across the cantilever straddle truck that the setting of existing railway line direction can vertically be walked, loop wheel machine and each one of back loop wheel machine before the girder of cantilever straddle truck is provided with;
(4) in existing railway line blocks the period, utilize forward and backward double crane on the cantilever straddle truck girder that treating on the feeding beam platform set up the beam body and laterally move, quick and precisely be erected on the thin-wall piers of symmetry and form beam body in place;
(5) in execution in step (4), next Pin is waited to set up the beam body place on the feeding beam platform;
(6) repeating step (4)~(5) reach at least 4 Pin until the beam body in place that is set up; Wherein, utilize the cantilever straddle truck to get the beam time, accomplish the vertical connection between the beam body in place, and lay bridge floor, form and deposit the Liangping platform;
(7) utilize the non-blockade period of existing railway line, deposit beam on the platform of Liangping to depositing temporarily with the cantilever straddle truck;
When (8) utilizing existing railway line to begin to block, the beam body that will deposit fast on the platform of Liangping vertically moves in place by Pin.
2. the cantilever straddle truck conversion platform across the existing railway line as claimed in claim 1 technology of setting a roof beam in place is characterized in that said feeding beam platform installs and fixes support near thin-wall piers one end, the fixed support top relatively before loop wheel machine; Away from thin-wall piers one end attachment rail coaster, wait to set up the beam body and place on the feeding beam platform on the feeding beam platform, one sits up straight on fixed support, and the other end is sitting on the Rail sliding car.
3. the cantilever straddle truck conversion platform across the existing railway line as claimed in claim 2 technology of setting a roof beam in place; It is characterized in that; The said double crane of step (4) sets up the laterally mobile concrete steps of beam body with treating on the feeding beam platform: will wait to set up beam body front end with preceding loop wheel machine and mention the disengaging fixed support; Loop wheel machine and Rail sliding car interlock before the order, level of synchronization move to waits to set up beam body rear end and arrives loop wheel machine below, back, and loop wheel machine is mentioned the rear end of waiting to set up the beam body coaster that de-orbits after this moment; It is in place that the forward and backward loop wheel machine of interlock control will wait to set up the beam that accurately falls on the thin-wall piers that beam body front and back ends level moves to symmetry synchronously then; Accomplish the 1st Pin and wait to set up setting up of beam body, utilize the walking function of straddle truck, set up the 2nd~4 Pin by Pin and wait to set up the beam body.
CN 201110233383 2011-08-16 2011-08-16 Beam erecting process of cantilever gantry crane conversion platform crossing existing railway line CN102409612B (en)

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CN102409612B CN102409612B (en) 2013-09-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132459A (en) * 2013-03-01 2013-06-05 中铁十七局集团第三工程有限公司 Method for picking beams of beam lifting and carrying machine for railway bridging
CN105155428A (en) * 2015-10-26 2015-12-16 杭州江润科技有限公司 Operating-railway-crossing construction method for large assembly-type prestress concrete continuous T beam
CN106567335A (en) * 2016-11-01 2017-04-19 中铁大桥勘测设计院集团有限公司 Bridge construction hoisting system on bridge traveling crane carriageway slab
CN108004930A (en) * 2017-12-07 2018-05-08 四川建筑职业技术学院 The construction method of vertical shift bowstring arch bridge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080083688A1 (en) * 2006-10-09 2008-04-10 Hans Kuenz Gesellschaft M.B.H. Crane
FR2929258A1 (en) * 2008-03-25 2009-10-02 Weidenhoffer Vladimir Nevsimal Giant portic
CN101736696A (en) * 2009-12-10 2010-06-16 郑州大方桥梁机械有限公司 Highway-railway dual-purpose box-shaped double-beam T-shaped beam bridge girder erection machine
CN102102317A (en) * 2009-12-22 2011-06-22 中铁科工集团有限公司 Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080083688A1 (en) * 2006-10-09 2008-04-10 Hans Kuenz Gesellschaft M.B.H. Crane
FR2929258A1 (en) * 2008-03-25 2009-10-02 Weidenhoffer Vladimir Nevsimal Giant portic
CN101736696A (en) * 2009-12-10 2010-06-16 郑州大方桥梁机械有限公司 Highway-railway dual-purpose box-shaped double-beam T-shaped beam bridge girder erection machine
CN102102317A (en) * 2009-12-22 2011-06-22 中铁科工集团有限公司 Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
陈克望: "上海轨道交通明珠线跨沪宁、沪杭铁路钢梁桥施工", 《铁道工程学报》 *
陈天艳: "龙门吊架梁技术在跨铁路桥梁施工中的运用", 《铁路建筑》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132459A (en) * 2013-03-01 2013-06-05 中铁十七局集团第三工程有限公司 Method for picking beams of beam lifting and carrying machine for railway bridging
CN103132459B (en) * 2013-03-01 2015-03-11 中铁十七局集团第三工程有限公司 Method for picking beams of beam lifting and carrying machine for railway bridging
CN105155428A (en) * 2015-10-26 2015-12-16 杭州江润科技有限公司 Operating-railway-crossing construction method for large assembly-type prestress concrete continuous T beam
CN106567335A (en) * 2016-11-01 2017-04-19 中铁大桥勘测设计院集团有限公司 Bridge construction hoisting system on bridge traveling crane carriageway slab
CN108004930A (en) * 2017-12-07 2018-05-08 四川建筑职业技术学院 The construction method of vertical shift bowstring arch bridge

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