CN101935984A - Traveling device of frame beam crane of steel truss girder of cable-stayed bridge and use method thereof - Google Patents
Traveling device of frame beam crane of steel truss girder of cable-stayed bridge and use method thereof Download PDFInfo
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- CN101935984A CN101935984A CN2010102749524A CN201010274952A CN101935984A CN 101935984 A CN101935984 A CN 101935984A CN 2010102749524 A CN2010102749524 A CN 2010102749524A CN 201010274952 A CN201010274952 A CN 201010274952A CN 101935984 A CN101935984 A CN 101935984A
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Abstract
The invention discloses a traveling device of frame beam crane of steel truss girder of a cable-stayed bridge; the traveling device comprises traveling rails and a driving mechanism; the traveling rail comprises beams of the rails, carlings of the rails, and gliders; the number of the beams of the rails is at least three; one of the beams of the rails used as the beam of a switching rail is installed at the upper surface of carlings of the left and the right rails and is positioned behind the frame beam crane; two ends of the rest beams of the rails are respectively anchored on a left and a right upper chord members of a main truss; the carling of the rail comprises left and right carlings of the rail which are respectively anchored on the upper surface of the rest beams of the rail and are parallel with the left and the right upper chord members of the main truss; the lower ends of front left and right, back left and right gliders are respectively installed on carlings of the left and the right rails; and upper ends thereof are respectively fixed on the leg of the frame beam crane and are driven by the driving mechanism comprising a left and a right traveling cylinders. The carlings of the rails can prevent suspension cable anchor structure on the main truss sot that the frame beam crane travels on the steel truss girder along the carling of the rail smoothly.
Description
Technical field
The present invention relates to the bridge construction device, be specifically related to the running gear and the using method of cable stayed bridge steel truss girder girder erection crane.
Background technology
Along with the fast development of China's infrastructure, large span stayed-cable bridge emerges like the mushrooms after rain, and steel truss girder cable-stayed bridge especially is big with its span ability, bearing load heavy and become the main flow of present Railway Cable-stayed Bridge.The at present general girder erection crane symmetry cantilever erection that adopts of steel truss girder cable-stayed bridge places the piston shoes of girder erection crane on the main couple upper chord, and the flexible operation by the traveling oil cylinder makes the loop wheel machine reach.
In recent years, because anchor drawplate type anchor structure cost is low on the suspension cable, anchor point is stressed clearly, maintain characteristics such as convenient, some large span stayed-cable bridges have been widely used in.But when the suspension cable anchor structure of using anchor arm-tie or other form on the main truss caused on the steel truss girder upper chord obstruction being arranged, the traveling form of construction work of traditional girder erection crane was infeasible.
Summary of the invention
Technical problem to be solved by this invention is the problem that solves the suspension cable anchor structure restriction girder erection crane traveling on the steel truss girder cable-stayed bridge main truss.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides a kind of running gear of cable stayed bridge steel truss girder girder erection crane, comprises walking rails and driving mechanism, and described walking rails comprises:
At least three track cross beams, respectively perpendicular to the left and right upper chord setting of cable stayed bridge main truss, wherein track cross beam is switched in a conduct, and the two ends of all the other track cross beams are anchored at respectively on the left and right upper chord of main truss;
Left and right track longeron, be formed by connecting with bolt mutually in twos by a plurality of sections respectively, described left and right track longeron is separately positioned on the suspension cable anchor structure inboard on the main truss, parallel with the left and right upper chord of main truss and be anchored at respectively on above-mentioned all the other track cross beam upper surfaces, switch the rear that track cross beam is arranged on the left and right track longeron upper surface and is positioned at girder erection crane;
Preceding left and right and back left and right four piston shoes, the lower end of above-mentioned four piston shoes is separately positioned on the left and right track longeron, and the upper end is separately fixed on the supporting leg of girder erection crane.
Described driving mechanism comprises left and right traveling oil cylinder, is separately positioned between forward and backward left piston shoes and the forward and backward right piston shoes, and the two ends of described left and right traveling oil cylinder are anchored at respectively on left and right track longeron and the preceding left and right piston shoes.
In said apparatus, described left and right track longeron by before, during and after three sections form, and any two sections length sum is greater than the distance between a forward and backward left side and the forward and backward right piston shoes.
The present invention also provides the using method of the running gear of above-mentioned cable stayed bridge steel truss girder girder erection crane, may further comprise the steps:
A10, girder erection crane are installed on the left and right track longeron, and will switch the rear that track cross beam is placed on the left and right track longeron upper surface and is positioned at girder erection crane;
After steel truss girder in the A20, girder erection crane the place ahead one sections all installs, 180 ° of girder erection crane revolutions will switch track cross beam lift by crane girder erection crane the place ahead and with the left and right upper chord anchoring of main truss;
A30, the track longeron at girder erection crane rear and the anchoring between the track cross beam are removed, and by girder erection crane revolution lifting, respectively the track longeron is winched to girder erection crane the place ahead and be anchored at and switch on the track cross beam, be connected with the track longeron bolt at its rear simultaneously;
Anchor connection between A40, releasing girder erection crane and the track longeron by the expanding-contracting action of traveling oil cylinder, makes the girder erection crane reach;
After the reach of A50, girder erection crane puts in place,, and turn round 180 ° and lift by crane the track cross beam at its rears and be placed on the track longeron as the new track cross beam of switching again with itself and the anchoring of track longeron.
The present invention, the track longeron is arranged on the suspension cable anchor structure inboard of anchor arm-tie or other form, avoids the suspension cable anchor structure on the main truss, makes girder erection crane in the smooth traveling of steel truss girder upper edge track longeron.
Description of drawings
Fig. 1 is a kind of specific embodiment structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3-Fig. 5 is a using method schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is made detailed explanation.
Fig. 1 is a kind of specific embodiment structural representation of the running gear of cable stayed bridge steel truss girder girder erection crane provided by the invention, and Fig. 2 is the vertical view of Fig. 1, and as shown in Figure 1 and Figure 2, the running gear of this girder erection crane comprises walking rails and driving mechanism.
Walking rails is made up of track cross beam, track longeron and piston shoes, wherein track cross beam comprises first, second, third, fourth 4 track cross beams 41,42,43,44, the track longeron is made up of left and right track longeron 31,32, above-mentioned four track cross beams are provided with perpendicular to the left and right upper chord 21,22 of main truss respectively, the 4th track cross beam 44 is as switching track cross beam, and the two ends of all the other track cross beams 41,42,43 are anchored at respectively on the left and right upper chord 21,22 of main truss.
Left and right track longeron 31,32 is separately positioned on the suspension cable anchor structure inboard (being the inboard of main truss anchor arm-tie 51,52) on the main truss, apart from about the 1.5m of main truss center, parallel with the left and right upper chord of main truss 21,22 and be anchored at respectively on first, second, third track cross beam 41,42,43, be arranged on the upper surface of left and right track longeron 31,32 as the 4th track cross beam 44 of switching track cross beam and be positioned at the rear of girder erection crane.Left and right track longeron 31,32 comprises a plurality of sections respectively and is connected respectively by high-strength bolt, is example with right track longeron 32, and it is made up of first, second, third 321,322,323 3 sections, and each sections length is consistent with main truss sections length.
Girder erection crane has four supporting legs 11,12,13,14, the left and right piston shoes 64,63 of preceding left and right piston shoes 62,61 and back are separately fixed on above-mentioned four supporting legs, and the lower end is slidingly arranged in respectively on the left and right track longeron 31,32, and the length sum of any two segment of left and right track longeron 31,32 is greater than the distance between a forward and backward left side and the forward and backward right piston shoes.
Left and right traveling oil cylinder 71,72 is formed driving mechanism, left and right traveling oil cylinder 71,72 is separately positioned between left forward and backward piston shoes 62,61 and the right forward and backward piston shoes 64,63, the piston rod of left and right traveling oil cylinder 71,72 is anchored at respectively on the left and right track longeron 31,32, and cylinder body is separately fixed on the preceding left and right piston shoes 62,64.
The present invention also provides the using method of above-mentioned running gear, and concrete steps are as follows, referring to Fig. 3-Fig. 5:
A10, earlier with first, second, the 3rd track cross beam 41,42,43 with frame is good a main truss left side, upper right chord member 21,22 anchorings, before inciting somebody to action then, in, back track longeron 321,322,323 respectively with first, second, the 3rd track cross beam 41,42,43 pass through bolted on connection, at last with the preceding left side of girder erection crane, right piston shoes 62,64 is left with the back, right piston shoes 61,63 place on the track longeron and can slide before and after the track longeron, and with four supporting legs 11,12,13,14 are anchored at respectively on the track longeron, to be placed on a left side as the 4th track cross beam 44 of switching track cross beam, right track longeron 31, on 32 upper surfaces and be positioned at the rear of girder erection crane, as shown in Figure 3.After assembling is finished, check each anchoring and connect errorless after, can carry out the lifting operation of girder steel.
After steel truss girder in the A20, girder erection crane the place ahead one sections all installs, 180 ° of girder erection crane revolutions will switch track cross beam 44 lift by crane girder erection crane the place ahead and with left and right upper chord 21,22 anchorings of main truss;
A30, the track longeron 323 at girder erection crane rear and the anchoring between the track cross beam 43 are removed, and by girder erection crane revolution lifting, respectively track longeron 323 is winched to girder erection crane the place ahead and be anchored at and switch on the track cross beam 44, simultaneously with track longeron 321 Bolt Connection at its rear; As shown in Figure 4.
A40, remove girder erection crane four supporting legs 11,12,13,14 and connect with anchoring between the track longeron, left and right piston shoes 62,64 before the flexible drive by left and right traveling oil cylinder 71,72 move forward girder erection crane;
After the reach of A50, girder erection crane puts in place,, and turn round 180 ° and lift by crane the track cross beam 43 at its rears and be placed on the track longeron as the new track cross beam of switching, as shown in Figure 5 again with its four supporting legs 11,12,13,14 and the anchoring of track longeron.
At last, carry out the rigging of girder steel and install, after installing, next of carrying out steel truss girder striden installation work.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (3)
1. the running gear of cable stayed bridge steel truss girder girder erection crane comprises walking rails and driving mechanism, it is characterized in that, described walking rails comprises,
At least three track cross beams, respectively perpendicular to the left and right upper chord setting of cable stayed bridge main truss, wherein track cross beam is switched in a conduct, and the two ends of all the other track cross beams are anchored at respectively on the left and right upper chord of main truss;
Left and right track longeron, be formed by connecting with bolt mutually in twos by a plurality of sections respectively, described left and right track longeron is separately positioned on the suspension cable anchor structure inboard on the main truss, parallel with the left and right upper chord of main truss and be anchored at respectively on above-mentioned all the other track cross beam upper surfaces, switch the rear that track cross beam is arranged on the left and right track longeron upper surface and is positioned at girder erection crane;
Preceding left and right and back left and right four piston shoes, the lower end of above-mentioned four piston shoes is separately positioned on the left and right track longeron, and the upper end is separately fixed on the supporting leg of girder erection crane;
Described driving mechanism comprises left and right traveling oil cylinder, is separately positioned between forward and backward left piston shoes and the forward and backward right piston shoes, and the two ends of described left and right traveling oil cylinder are anchored at respectively on left and right track longeron and the preceding left and right piston shoes.
2. the running gear of cable stayed bridge steel truss girder girder erection crane as claimed in claim 1, it is characterized in that described left and right track longeron by before, during and after three sections form, and any two sections length sum is greater than the distance between a forward and backward left side and the forward and backward right piston shoes.
3. the using method of the running gear of cable stayed bridge steel truss girder girder erection crane is characterized in that may further comprise the steps:
A10, girder erection crane are installed on the left and right track longeron, and will switch the rear that track cross beam is placed on the left and right track longeron upper surface and is positioned at girder erection crane;
After A20, girder erection crane the place ahead one steel truss girder in striding all installs, 180 ° of girder erection crane revolutions will switch track cross beam lift by crane girder erection crane the place ahead and with the left and right upper chord anchoring of main truss;
A30, the track longeron at girder erection crane rear and the anchoring between the track cross beam are removed, and by girder erection crane revolution lifting, respectively the track longeron is winched to girder erection crane the place ahead and be anchored at and switch on the track cross beam, be connected with the track longeron bolt at its rear simultaneously;
Anchor connection between A40, releasing girder erection crane and the track longeron by the expanding-contracting action of traveling oil cylinder, makes the girder erection crane reach;
After the reach of A50, girder erection crane puts in place,, and turn round 180 ° and lift by crane the track cross beam at its rears and be placed on the track longeron as the new track cross beam of switching again with itself and the anchoring of track longeron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102749524A CN101935984B (en) | 2010-09-08 | 2010-09-08 | Traveling device of frame beam crane of steel truss girder of cable-stayed bridge and use method thereof |
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| CN2010102749524A CN101935984B (en) | 2010-09-08 | 2010-09-08 | Traveling device of frame beam crane of steel truss girder of cable-stayed bridge and use method thereof |
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| CN101935984A true CN101935984A (en) | 2011-01-05 |
| CN101935984B CN101935984B (en) | 2012-02-15 |
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Cited By (8)
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| CN102795559A (en) * | 2012-08-03 | 2012-11-28 | 中铁九桥工程有限公司 | Frame mast crane |
| CN104018426A (en) * | 2014-05-14 | 2014-09-03 | 中铁大桥勘测设计院集团有限公司 | Steel truss installation method |
| CN104727227A (en) * | 2015-01-29 | 2015-06-24 | 中铁港航局集团有限公司 | Whole-section erecting method for open lattice type steel beam of half-through steel box tied-arch bridge |
| CN105002831A (en) * | 2015-08-13 | 2015-10-28 | 贵州路桥集团有限公司 | Wheel-rail type loading and traveling cable crane |
| CN112095491A (en) * | 2020-09-09 | 2020-12-18 | 中铁六局集团有限公司 | Bidirectional cantilever erection construction process for Hualun type large-span steel truss girder bridge |
| CN112523090A (en) * | 2020-11-11 | 2021-03-19 | 中交二航局第二工程有限公司 | Initial internode installation mode of steel truss girder cable-stayed bridge |
| CN113668302A (en) * | 2021-08-27 | 2021-11-19 | 中铁二十三局集团有限公司 | Beam-on-beam conveying device suitable for double-line magnetic floating track beam and beam erecting method |
| CN116692525A (en) * | 2023-08-03 | 2023-09-05 | 南通泰胜蓝岛海洋工程有限公司 | Sea wind pipe pile bidirectional transferring equipment and ship-on transferring method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795559A (en) * | 2012-08-03 | 2012-11-28 | 中铁九桥工程有限公司 | Frame mast crane |
| CN102795559B (en) * | 2012-08-03 | 2015-06-03 | 中铁九桥工程有限公司 | Frame mast crane |
| CN104018426A (en) * | 2014-05-14 | 2014-09-03 | 中铁大桥勘测设计院集团有限公司 | Steel truss installation method |
| CN104727227A (en) * | 2015-01-29 | 2015-06-24 | 中铁港航局集团有限公司 | Whole-section erecting method for open lattice type steel beam of half-through steel box tied-arch bridge |
| CN105002831A (en) * | 2015-08-13 | 2015-10-28 | 贵州路桥集团有限公司 | Wheel-rail type loading and traveling cable crane |
| CN112095491A (en) * | 2020-09-09 | 2020-12-18 | 中铁六局集团有限公司 | Bidirectional cantilever erection construction process for Hualun type large-span steel truss girder bridge |
| CN112523090A (en) * | 2020-11-11 | 2021-03-19 | 中交二航局第二工程有限公司 | Initial internode installation mode of steel truss girder cable-stayed bridge |
| CN113668302A (en) * | 2021-08-27 | 2021-11-19 | 中铁二十三局集团有限公司 | Beam-on-beam conveying device suitable for double-line magnetic floating track beam and beam erecting method |
| CN116692525A (en) * | 2023-08-03 | 2023-09-05 | 南通泰胜蓝岛海洋工程有限公司 | Sea wind pipe pile bidirectional transferring equipment and ship-on transferring method thereof |
| CN116692525B (en) * | 2023-08-03 | 2023-10-24 | 南通泰胜蓝岛海洋工程有限公司 | Sea wind pipe pile bidirectional transferring equipment and ship-on transferring method thereof |
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