CN102817321B - Bridge girder erection machine set turn-around trolley - Google Patents
Bridge girder erection machine set turn-around trolley Download PDFInfo
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- CN102817321B CN102817321B CN201210278384.4A CN201210278384A CN102817321B CN 102817321 B CN102817321 B CN 102817321B CN 201210278384 A CN201210278384 A CN 201210278384A CN 102817321 B CN102817321 B CN 102817321B
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Abstract
The invention relates to a bridge erection construction technique, in particular to a bridge girder erection machine set turn-around trolley, which solves the problems that a turn-around operation method of the existing bridge girder erection machine set has long operation period, large operation difficulty, large operation risk, and high operation cost. The bridge girder erection machine set turn-around trolley comprises a bearing part and a hydraulic pressure part, wherein the bearing part comprises a box body, a central pin shaft, a rotary table, bearing girders, a walking steel rail and a cushion bock; the hydraulic part comprises a hydraulic jacking jack, a hydraulic rotating jack and a hydraulic pump station; a central round hole is arranged in the center of an upper surface of the box body; the central pin shaft is vertically pivoted in the central round hole; the rotary table is horizontally pivoted on a top end of the central pin shaft; and the two bearing girders are symmetrically arranged on two side edges of an upper surface of the rotary table, and are in parallel. The bridge girder erection machine set turn-around trolley is applicable to bridge erection construction.
Description
Technical field
The present invention relates to bridge erection construction technology, specifically a kind of Bridge Erector unit tune chassis.
Background technology
Bridge Erector unit is widely used in bridge erection construction, and its major function is that Precast T-Beam is transported to end of the bridge from beam making field, and Precast T-Beam is lifted on bridge pier.The appearance and size of Bridge Erector unit is large (the length maximum of individual equipment can reach 53m) conventionally, thereby its tune operation is the engineering that part difficulty of construction is larger.Existing Bridge Erector unit tune operational method mainly comprises two kinds.First method is: from duty, convert Bridge Erector unit to travel position, use locomotive traction, by existing railway line, Bridge Erector unit is transported to from job site recently and is had in the station of locomotive tune equipment, AT STATION in by Bridge Erector unit from travel position converts duty to, use the locomotive tune equipment in station to complete tune operation, after tune, from duty, convert Bridge Erector unit to travel position again, again transport go back to job site, then from travel position, convert Bridge Erector unit to duty, proceed construction.This kind of method exists grow and the high problem of operating cost duty cycle.Specific as follows: one, need to complete four next state conversions, flow chart is loaded down with trivial details, and work operations amount is large, causes duty cycle long.Two, Bridge Erector unit transports by existing railway line, need to arrive Railway Bureau and handle transportation formality, and the administrative department relating to is more, and transportation formality is numerous and diverse, the time of handling is long (not procedure of submitting reports for approval substantially of railway interests at present), causes duty cycle long.Three, Bridge Erector unit is from preparing tune to recovering at least 20 days used times of construction (four next states approximately 6 days used times of conversion wherein while carrying out reuse on road approximately 6 days, come and go and check-in approximately 8 days used times), thereby duty cycle is long.Four, downtime longer, the indirect loss causing is larger, causes operating cost high.Second method is: use large-sized gantry hangs or crane is disassembled into 1# car car body by Bridge Erector unit, horn, 2# car car body, bogie amounts to four parts, wherein bogie tune is used straddle truck or crane to complete, its excess-three parts need to be used large-sized gantry to hang or large-scale crane is lifted into respectively on the tune equipment that Bridge Erector unit manufacturer produces, tune equipment is packed to broad place and is reversed end for end by railway line, after treating that four parts are reversed end for end respectively, being transported go back to former dismounting place assembles, return to duty.There is the problem that duty cycle is long, task difficulty is large, operating risk is large and operating cost is high in this kind of method.Specific as follows: one, all parts weight large (single-piece weight maximum can reach 95 tons), need large lifting equipment auxiliary construction, cause task difficulty large.Two, Bridge Erector unit need to dismantle and assembled each once, and after dismounting, need to re-start technical appraisement, cause duty cycle long.Three, tune equipment is packed large component and is walked in railway line, and less stable, exists larger security risk, causes operating risk large.Four, Bridge Erector unit is constructed at least 10 days used times to recovery from preparing tune, thereby duty cycle is long.Five, downtime longer, the indirect loss causing is larger, causes operating cost high.Based on this, be necessary for a kind of brand-new tune equipment of Bridge Erector unit tune operation invention, to solve the problem that existing Bridge Erector unit tune operational method duty cycle is long, task difficulty is large, operating risk is large and operating cost is high.
Summary of the invention
The present invention is in order to solve the problem that existing Bridge Erector unit tune operational method duty cycle is long, task difficulty is large, operating risk is large and operating cost is high, provides a kind of Bridge Erector unit to reverse end for end chassis.
The present invention adopts following technical scheme to realize: Bridge Erector unit tune chassis, comprises supporting part and hydraulic part; Described supporting part comprises casing, central pin shaft, turntable, spandrel girder, traveling steel rail and cushion block; Described hydraulic part comprises hydraulic lifting jack, hydraulic rotating jack and hydraulic power unit; The upper face center of casing offers center hole; Central pin shaft is vertically articulated in center hole; Turntable horizontal pivot is connected to the top of central pin shaft; The number of spandrel girder is two; Two spandrel girder horizontal symmetrical are installed on the upper surface both sides of the edge of turntable, and two spandrel girders are parallel to each other; The number of traveling steel rail is two; Two traveling steel rails are all parallel to each other with spandrel girder, and two traveling steel rail symmetries are installed on the upper surface of turntable; The end of two traveling steel rails is supported on the upper surface of casing by cushion block, and the flange of rail of two traveling steel rails is all positioned in same level with the upper surface of turntable; The number of hydraulic lifting jack is four; Four hydraulic lifting jack symmetries are installed on the upper surface two ends of two spandrel girders; The direction of propulsion of the piston rod of four hydraulic lifting jack all upward; The number of hydraulic rotating jack is two; Two hydraulic rotating jack symmetries are installed on the upper surface both sides of the edge of casing; The piston rod end of two hydraulic rotating jack is hinged with the end of two spandrel girders respectively; The direction of propulsion of the piston rod of two hydraulic rotating jack is all consistent with the rotation direction of turntable; The hydraulic fluid port of the hydraulic fluid port of four hydraulic lifting jack, two hydraulic rotating jack is all communicated with hydraulic power unit.
The course of work is as follows: first tune chassis is arranged on railway engineering line, and traveling steel rail and railway engineering line rail are connected into line.Then along traveling steel rail, 1# car (2# car) walking of the Bridge Erector unit of needs tune is arrived to tune chassis top, and guarantee that the center of gravity of 1# car (2# car) overlaps with the center hole on tune chassis.Then adopt jack and wire rope that the road wheel of Bridge Erector unit and bogie are fixed on the car body of 1# car (2# car).Then by hydraulic power unit, start the hydraulic lifting jack on spandrel girder, hydraulic lifting jack is by the car body of 1# car (2# car) jack-up that makes progress, until road wheel leaves the rail level of traveling steel rail, now the car body weight of 1# car (2# car) is all transferred on turntable by spandrel girder.Then remove being connected and cushion block of traveling steel rail and railway engineering line rail, and start two hydraulic rotating jack on casing by hydraulic power unit, two hydraulic rotating jack rotate around central pin shaft towards same direction pushing tow turntable, until turntable is around central pin shaft Rotate 180 degree.Then by hydraulic power unit, again start the hydraulic lifting jack on spandrel girder, hydraulic lifting jack lands the car body of 1# car (2# car) downwards, until road wheel is got back to the rail level of traveling steel rail.Then remove the hydraulic lifting jack on spandrel girder, reinstall traveling steel rail and cushion block, and again traveling steel rail and railway engineering line rail are connected into line.Then along traveling steel rail, the complete Bridge Erector unit walking of tune is left to tune chassis top, complete thus a Bridge Erector unit tune operation.Based on said process, compare with existing Bridge Erector unit tune operational method, Bridge Erector unit tune chassis tool of the present invention has the following advantages: one, Bridge Erector unit can complete tune operation without leaving job site, downtime is shorter, the indirect loss causing is less, thereby shortened duty cycle, reduced operating cost.Two, Bridge Erector unit complete machine tune operation, without Bridge Erector unit being dismantled and assembled, without large lifting equipment auxiliary construction, reduced the repeatedly state conversion and dismantle assembled needed a large amount of manpower and materials of Bridge Erector unit, thereby reduced difficulty of construction, shortened duty cycle.Three, Bridge Erector unit completes tune operation in original place, without transporting by existing railway line, and has saved and has handled transportation formality, thereby shortened duty cycle, has reduced operating risk.To sum up analyze, Bridge Erector unit tune chassis of the present invention efficiently solves the problem that existing Bridge Erector unit tune operational method duty cycle is long, task difficulty is large, operating risk is large and operating cost is high.Test shows, adopts Bridge Erector unit tune chassis of the present invention to complete a Bridge Erector unit tune operation and only needs 3 days.The cost that adopts Bridge Erector unit tune chassis of the present invention to complete a Bridge Erector unit tune operation is only about 39500 yuan (cost that the first method that adopts existing Bridge Erector unit to reverse end for end in operational method completes a Bridge Erector unit tune operation is about 110000 yuan, and the cost that the second method that adopts existing Bridge Erector unit to reverse end for end in operational method completes a Bridge Erector unit tune operation is about 131000 yuan).
Further, the upper surface of casing offers several hydraulic rotating jack installing holes; Each hydraulic rotating jack installing hole is uniformly distributed around central pin shaft.During work, by each hydraulic rotating jack installing hole, can constantly switch two hydraulic rotating jack in the installation site of casing upper surface, complete gradually thus turntable around central pin shaft rotating 360 degrees.
The present invention efficiently solves the problem that existing Bridge Erector unit tune operational method duty cycle is long, task difficulty is large, operating risk is large and operating cost is high, is applicable to bridge erection and constructs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of casing of the present invention.
Fig. 4 is the structural representation of central pin shaft of the present invention and turntable.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the structural representation of spandrel girder of the present invention.
Fig. 7 is the top view of Fig. 6.
In figure: 1-casing, 2-central pin shaft, 3-turntable, 4-spandrel girder, 5-traveling steel rail, 6-cushion block, 7-hydraulic lifting jack, 8-hydraulic rotating jack, 9-hydraulic power unit, 10-center hole, 11-hydraulic rotating jack installing hole.
The specific embodiment
Bridge Erector unit tune chassis, comprises supporting part and hydraulic part; Described supporting part comprises casing 1, central pin shaft 2, turntable 3, spandrel girder 4, traveling steel rail 5 and cushion block 6; Described hydraulic part comprises hydraulic lifting jack 7, hydraulic rotating jack 8 and hydraulic power unit 9; The upper face center of casing 1 offers center hole 10; Central pin shaft 2 is vertically articulated in center hole 10; Turntable 3 horizontal pivots are connected to the top of central pin shaft 2; The number of spandrel girder 4 is two; Two spandrel girder 4 horizontal symmetrical are installed on the upper surface both sides of the edge of turntable 3, and two spandrel girders 4 are parallel to each other; The number of traveling steel rail 5 is two; Two traveling steel rails 5 are all parallel to each other with spandrel girder 4, and two traveling steel rail 5 symmetries are installed on the upper surface of turntable 3; The end of two traveling steel rails 5 is supported on the upper surface of casing 1 by cushion block 6, and the flange of rail of two traveling steel rails 5 is all positioned in same level with the upper surface of turntable 3; The number of hydraulic lifting jack 7 is four; Four hydraulic lifting jack 7 symmetries are installed on the upper surface two ends of two spandrel girders 4; The direction of propulsion of the piston rod of four hydraulic lifting jack 7 all upward; The number of hydraulic rotating jack 8 is two; Two hydraulic rotating jack 8 symmetries are installed on the upper surface both sides of the edge of casing 1; The piston rod end of two hydraulic rotating jack 8 is hinged with the end of two spandrel girders 4 respectively; The direction of propulsion of the piston rod of two hydraulic rotating jack 8 is all consistent with the rotation direction of turntable 3; The hydraulic fluid port of the hydraulic fluid port of four hydraulic lifting jack 7, two hydraulic rotating jack 8 is all communicated with hydraulic power unit 9;
The upper surface of casing 1 offers several hydraulic rotating jack installing holes 11; Each hydraulic rotating jack installing hole 11 is uniformly distributed around central pin shaft 2;
During concrete enforcement, casing, turntable, spandrel girder are the box-structure body (wherein the upper and lower surface of casing is square) that adopts Plate Welding to form and have certain altitude.Cabinet design becomes two parts, and two parts casing is bolted.Turntable is provided with for the fixing bolt hole of spandrel girder and traveling steel rail.Spandrel girder is provided with for the fixing bolt hole of turntable.The number of cushion block is decided according to the actual requirements.The jacking force of hydraulic lifting jack is 200T, and pushing tow stroke is 15cm.The jacking force of hydraulic rotating jack is 30T, and pushing tow stroke is 30cm.On the base of hydraulic rotating jack, be welded with installation bearing pin, by the hydraulic rotating jack installing hole of bearing pin insertion casing upper surface is installed, can position hydraulic rotating jack.Angular distance between adjacent two hydraulic rotating jack installing holes is 5 degree.The central track distance of two traveling steel rails is 1.5m.
Claims (2)
1. a Bridge Erector unit tune chassis, is characterized in that: comprise supporting part and hydraulic part; Described supporting part comprises casing (1), central pin shaft (2), turntable (3), spandrel girder (4), traveling steel rail (5) and cushion block (6); Described hydraulic part comprises hydraulic lifting jack (7), hydraulic rotating jack (8) and hydraulic power unit (9); The upper face center of casing (1) offers center hole (10); Central pin shaft (2) is vertically articulated in center hole (10); Turntable (3) horizontal pivot is connected to the top of central pin shaft (2); The number of spandrel girder (4) is two; Two spandrel girders (4) horizontal symmetrical is installed on the upper surface both sides of the edge of turntable (3), and two spandrel girders (4) are parallel to each other; The number of traveling steel rail (5) is two; Two traveling steel rails (5) are all parallel to each other with spandrel girder (4), and two traveling steel rails (5) are all positioned between two spandrel girders (4), and two traveling steel rails (5) symmetry is installed on the upper surface of turntable (3); The end of two traveling steel rails (5) is supported on the upper surface of casing (1) by cushion block (6), and the flange of rail of two traveling steel rails (5) is all positioned in same level with the upper surface of turntable (3); The number of hydraulic lifting jack (7) is four; Four hydraulic lifting jack (7) symmetry is installed on the upper surface two ends of two spandrel girders (4); The direction of propulsion of the piston rod of four hydraulic lifting jack (7) all upward; The number of hydraulic rotating jack (8) is two; Two hydraulic rotating jack (8) symmetry is installed on the upper surface both sides of the edge of casing (1); The piston rod end of two hydraulic rotating jack (8) is hinged with the end of two spandrel girders (4) respectively; The direction of propulsion of the piston rod of two hydraulic rotating jack (8) is all consistent with the rotation direction of turntable (3); The hydraulic fluid port of the hydraulic fluid port of four hydraulic lifting jack (7), two hydraulic rotating jack (8) is all communicated with hydraulic power unit (9).
2. Bridge Erector unit tune chassis according to claim 1, is characterized in that: the upper surface of casing (1) offers several hydraulic rotating jack installing holes (11); Each hydraulic rotating jack installing hole (11) is uniformly distributed around central pin shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278384.4A CN102817321B (en) | 2012-08-07 | 2012-08-07 | Bridge girder erection machine set turn-around trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278384.4A CN102817321B (en) | 2012-08-07 | 2012-08-07 | Bridge girder erection machine set turn-around trolley |
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| Publication Number | Publication Date |
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| CN102817321A CN102817321A (en) | 2012-12-12 |
| CN102817321B true CN102817321B (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210278384.4A Active CN102817321B (en) | 2012-08-07 | 2012-08-07 | Bridge girder erection machine set turn-around trolley |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046471A (en) * | 2012-12-31 | 2013-04-17 | 中铁十七局集团第三工程有限公司 | Turn-around method implemented in bridging airport |
| CN105926462B (en) * | 2016-06-20 | 2018-02-13 | 中山市公路钢结构制造有限公司 | A kind of erection method of split type level bridges |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4489872B2 (en) * | 1999-07-05 | 2010-06-23 | 三菱重工鉄構エンジニアリング株式会社 | Bridge erection method and apparatus |
| JP3900910B2 (en) * | 2001-12-03 | 2007-04-04 | 鹿島建設株式会社 | Steel web bridge erection method and equipment |
| CN2656477Y (en) * | 2003-02-21 | 2004-11-17 | 中铁一局集团新运工程有限公司 | Track-laying machine in situ turning device |
| CN101858058B (en) * | 2010-06-30 | 2011-09-07 | 中铁二十五局集团广州铁路工程有限公司 | Turn-around method for bridge girder erection machine |
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