CN101220576B - Arcuated steel rail beam and manufacturing method thereof - Google Patents

Arcuated steel rail beam and manufacturing method thereof Download PDF

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Publication number
CN101220576B
CN101220576B CN2008100693349A CN200810069334A CN101220576B CN 101220576 B CN101220576 B CN 101220576B CN 2008100693349 A CN2008100693349 A CN 2008100693349A CN 200810069334 A CN200810069334 A CN 200810069334A CN 101220576 B CN101220576 B CN 101220576B
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China
Prior art keywords
cover plate
arcuated
cover
steel rail
rail
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Expired - Fee Related
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CN2008100693349A
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Chinese (zh)
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CN101220576A (en
Inventor
傅如弟
陈敬伦
张方永
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Chongqing Iron and Steel Group Co Ltd
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Chongqing Iron and Steel Group Co Ltd
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Priority to CN2008100693349A priority Critical patent/CN101220576B/en
Publication of CN101220576A publication Critical patent/CN101220576A/en
Application granted granted Critical
Publication of CN101220576B publication Critical patent/CN101220576B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides an arc steel track beam and a manufacturing method thereof, and an upper cover, two web plates which erect relatively and a lower cover in the steel track form box structure which is provided with a horizontal rib plate which is parallel to the upper cover, a longitudinal reinforcing rib which is parallel to the web plates, a guide beam and a stabilizing beam which are matched with the a light rail guide wheel and a stabilizing wheel are arranged symmetrically on the external side of the two web plates; a criss-crossed antiskid groove is evenly arranged on the top surface of the upper cover. The manufacturing method of the arc steel track beam comprises that: the upper cover of the steel track beam is processed, the anti-skid groove is processed, the arc prefabrication of the track beam is done and the track beam is assembled and welded. The invention guarantees the welding deformation amount to be controlled in the maximum amount owing to adopting reasonable technique and welding sequence.

Description

Arcuated steel rail beam and preparation method thereof
Technical field
The present invention relates to be used for the arcuated steel rail beam and the manufacture craft thereof of straddling type light rail train, belong to the building machinery processing technique field.
Background technology
In the prior art, the rail beam of light rail is generally prestressed reinforced concrete rail beam or prestressed reinforced concrete construction, but for usually needing steel track beam to combine with bridge main span site closure, especially needs the arcuated steel rail beam of certain camber.And present domestic light rail technology is just at the early-stage, and except that the key technology of introducing Japanese light rail train, the impossible use without compensation of the Foundation Design of light rail such as various rail beam more can not be copyed by rote, and needs independent development supporting.And present existing i-beam track beam is not suitable for the usefulness of striding type light rail train.
Summary of the invention
The object of the present invention is to provide a kind of arcuated steel rail beam of rational in infrastructure, easy construction, and provide a kind of scheme feasible, effectively solve the manufacture craft of arcuated steel rail beam construction, assembling, welding and welding deformation control.
The object of the present invention is achieved like this: a kind of arcuated steel rail beam is characterized in that constituting body structure by upper cover plate, two relative thirty years of age web and lower covers; Be provided with the horizontal gusset parallel in the body structure with upper cover plate, and the waling parallel with web; The outside of two webs is arranged with and is used for the guide beam and the stable beam that cooperate with light rail directive wheel and steady wheel; The upper cover plate end face evenly is provided with crisscross anti-slip tank.
The bottom surface of described upper cover plate also is provided with vertical floor.
Described vertical floor, horizontal gusset and/or waling are T shape plate.
The arcuated steel rail beam preparation method comprises the steps:
(1) machined steel rail beam upper cover plate: getting thickness is 0.20mm, and width is 0.69m, and length is the upper cover plate of the steel plate of 6-8m as rail beam;
(2) processing anti-slip tank: adopt metal-planing machine that the upper cover plate straight line that step (1) obtains is processed in length and breadth to anti-slip tank, the spacing of anti-slip tank is 40mm * 80mm, and the width of anti-slip tank is 6mm, and the degree of depth is 3mm;
(3) arc of upper cover plate is prefabricated: the ground sample that marks earlier curved cover plate on platform, be fixed on the edge of camber line with the spot welding of several piece location-plate, the triangle flame heat is made in even segmentation at the back side of upper cover plate anti-slip tank then, heating and temperature control is at 800-850 ℃, cover plate after the distortion is harmonious with the ground sample, can satisfy the just no longer heating of part of radian requirement, the part that does not conform to continues heating, till satisfying the radian requirement fully;
(4) assembling of arcuated steel rail beam, welding: the vertical floor of assembling, the horizontal gusset of assembling and web on upper cover plate, make it to become ∏ type beam (formation rigidly fixes and can reduce welding deformation), weld horizontal gusset, vertical floor earlier, and then the fillet weld of welding web and upper cover plate, postwelding is done distortion and is proofreaied and correct (partial flame adds heat straightening); Refill and join lower cover, weld horizontal gusset and lower cover weld seam and with the weld seam of web, postwelding is done distortion and is proofreaied and correct; Be symmetrically welded four longitudinal seams, do distortion and proofread and correct; Last erection welding guide beam and stable beam, welding back are done distortion and are proofreaied and correct.
The inventive method the distortion stack of operation process just can not occur owing to all the welding deformation that takes place is eliminated in per pass manufacturing process, make product quality be in controllable state at any time, thereby preferably resolve the problem on deformation of arcuated steel rail beam welding.And arc processing, control beam body and the guide beam of arcuated steel rail beam upper cover plate, the technology of positioning beam manufacturing process distortion have been solved.
Description of drawings
Fig. 1 is an arcuated steel rail beam structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is a user mode structural representation of the present invention;
Fig. 5 is the schematic diagram of upper cover plate anti-slip tank of the present invention;
Fig. 6 is Fig. 5 anti-slip tank sectional schematic diagram;
Fig. 7 is that the steel track beam upper cover plate adds the thermal flexure schematic diagram;
Fig. 8 is the heating region drawing.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of arcuated steel rail beam constitutes body structure by upper cover plate 101, two relative thirty years of age web 102 and lower covers 103; Be provided with the horizontal gusset 702 parallel in the body structure with upper cover plate 101, and the waling 701 parallel with web 102.In addition, also be provided with vertical floor 703 in the bottom surface of upper cover plate 101.Referring to Fig. 4, the outside of two webs 102 is arranged with and is used for the Π shape guide beam 704 and the stable beam 705 that cooperate with light rail directive wheel 105 and steady wheel 106, guide beam 704 and stable beam 705 combine by top board, web and gusset, and the welding back is done the distortion correction and constituted.This arcuated steel rail beam is mainly the usefulness of straddling type light rail train, light rail headstock and compartment 107 be the safety walking on steel track beam, be the rail beam three parts firmly to be adjacent to by two road wheels 104 of bottom, compartment, two directive wheels 105 of two upper lateral parts, two steady wheels 106 of bottom, with guarantee the light rail car steadily and safe operation.
Referring to Fig. 5 and Fig. 6, for the safety that guarantees light rail train and steadily, evenly be provided with crisscross anti-slip tank 201 at the end face of upper cover plate 101, the spacing of anti-slip tank 201 is 40mm * 80mm, and the width of anti-slip tank is 6mm, and the degree of depth is that 3mm is better.
Can understand relation between straddling type light rail train operation and the steel track beam from Fig. 4, just understand the difficulty of making arcuated steel rail beam easily, consider from the security standpoint of member load-bearing on the one hand, whole beam also will satisfy the requirement of design camber, guarantee that top from whole beam is to the bottom and all stressed and power transmissions rationally of the parts of both sides; Also need satisfy the radian requirement of design on the other hand, beam is as the criterion with center line, and two back gauges of member must have equal, could guarantee the safe operation of light rail train.
There is following difficult point and solve the arcuated steel rail beam making: the one, the problem that the anti-skid structure of rail beam upper cover plate and anti-slip tank machine realize; The 2nd, arc beam section is big, length is big, welding capacity is big, has the big problem of welding deformation.
The present invention is for solving above-mentioned difficult point, and the arcuated steel rail beam manufacture craft of employing comprises the steps:
(1) processing rail beam upper cover plate: getting thickness is 0.20mm, and width is 0.69m, and length is the upper cover plate of the steel plate of 6-8m as rail beam;
(2) processing anti-slip tank: the upper cover plate straight line that adopts 10 meters metal-planing machine that step (1) is obtained is processed in length and breadth to anti-slip tank, the spacing of anti-slip tank is 40mm * 80mm, the width of anti-slip tank is 6mm, and the degree of depth is 3mm, referring to Fig. 5 and Fig. 6 schematic diagram for upper cover plate walking panel anti-slip tank;
(3) arc of upper cover plate is prefabricated: referring to Fig. 7 and Fig. 8, upper cover plate 101 bendings are drawn heater wire by the 1000mm spacing, press earlier the heating of 2000mm spacing, and bending value is measured in the cooling back, if bending value is pressed the heating of 1000mm spacing inadequately again; Line and heating are carried out to both sides by the centre.Undertaken by the principle that the expansion of material spot heating is shunk, before beginning heating, on mounting plate, mark earlier the ground sample of curved cover plate, be fixed on the edge of camber line with the spot welding of several piece location-plate, make triangle flame heat (referring to Fig. 8) in the upper cover plate even segmentation in the 101 anti-slip tank back sides then, heating and temperature control is at 800-850 ℃, and the cover plate after the distortion is harmonious with the ground sample, and is spacing by limiting plate.Can satisfy the just no longer heating of part of radian requirement, the part that does not conform to continues heating, till satisfying the radian requirement fully; This method simple possible, machine and fabricating quality can be controlled.
(4) assembling of arcuated steel rail beam, welding: referring to Fig. 1, Fig. 2 and Fig. 3, the vertical floor 703 of assembling, the horizontal gusset 702 of assembling and web 102 make it to become ∏ type beam (formation rigidly fixes and can reduce welding deformation) on upper cover plate 101; Weld horizontal gusset 702, vertical floor 703 earlier, the fillet weld of welding web 102 and upper cover plate 101 then, postwelding is done the distortion correction; Refill and join lower cover 103, weld horizontal gusset 702 and lower cover 103 weld seam and with the weld seam of web 102, postwelding is done distortion and is proofreaied and correct; Be symmetrically welded four longitudinal seams, do distortion and proofread and correct; Last erection welding guide beam 704 and stable beam 705, welding back are done distortion and are proofreaied and correct.
The guide beam 704 and the stable beam 705 of arcuated steel rail beam combine by top board, web and gusset, and the welding back is done distortion and proofreaied and correct.Each step distortion is proofreaied and correct and is all adopted partial flame to add heat straightening.The inventive method adopts above-mentioned sequence of fitting and welding, owing to all the welding deformation that takes place is eliminated in each road manufacturing process, the distortion stack of operation process just can not occur, make product quality be in controllable state at any time, thereby preferably resolve the problem on deformation of arcuated steel rail beam welding.
In addition, adopt the facing cut lathe that the both ends of the surface of steel track beam are carried out milling, guarantee to connect the precision of end face the Milling Process of steel track beam end face.The steel track beam upper cover plate carries out in order to satisfy the multistage that divides easy to process, then the manufactured upper cover plate of each section is stitched together.
Because steel track beam self poor rigidity, welding deformation is big, the rectification workload is big, in order to reduce the rectification workload, add the fast process progress, and adopt the reversible deformation technology of element solder, be about to guide beam, stablize beam and before welding, give a reversal deformation with the counteracting welding deformation, effectively controlled the welding deformation of guide beam and stable beam, reduced by 80% rectification work.The inventive method adopts Numerical control cutting, and dimensional accuracy is guaranteed; Be difficult to guarantee size for integral manufacturing, adopt the whole assembling of sectional making, as T type beam, guide beam and stable beam etc.; The assembling of all beams is all drawn a ground sample and is carried out on platform, guarantee to assemble accurately; Proofread and correct by flame for the position that distortion occurs.

Claims (4)

1. arcuated steel rail beam is characterized in that constituting body structure by upper cover plate (101), two relative thirty years of age web (102) and lower covers (103); Be provided with the horizontal gusset (702) parallel in the body structure with upper cover plate (101), and the waling (701) parallel with web (102); The outside of two webs (102) is arranged with and is used for the guide beam (704) and the stable beam (705) that cooperate with light rail directive wheel and steady wheel; Upper cover plate (101) end face evenly is provided with crisscross anti-slip tank (201).
2. arcuated steel rail beam according to claim 1 is characterized in that the bottom surface of described upper cover plate (101) also is provided with vertical floor (703).
3. arcuated steel rail beam according to claim 2 is characterized in that described vertical floor (703), horizontal gusset (702) and/or waling (701) are T shape plate.
4. arcuated steel rail beam according to claim 1, the spacing that it is characterized in that described anti-slip tank (201) is 40mm * 80mm, and the width of anti-slip tank (201) is 6mm, and the degree of depth is 3mm.
CN2008100693349A 2008-01-31 2008-01-31 Arcuated steel rail beam and manufacturing method thereof Expired - Fee Related CN101220576B (en)

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Application Number Priority Date Filing Date Title
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CN101220576B true CN101220576B (en) 2011-06-15

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CN101949192B (en) * 2010-10-15 2012-05-30 浙江精工钢结构有限公司 Trolley running track beam and manufacturing and installation method thereof
CN103321113B (en) * 2013-07-02 2016-03-02 北京交通大学 The fast method for preparing of different size and shaped tracks beam
CN103785998A (en) * 2014-02-20 2014-05-14 成军 Manufacturing method of inclined electroslag welding component shaped like Chinese character 'ri'
CN105507126B (en) * 2015-12-17 2017-10-27 中铁第四勘察设计院集团有限公司 Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension
CN105421167B (en) * 2015-12-17 2017-09-22 中铁第四勘察设计院集团有限公司 Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension
CN105603859B (en) * 2015-12-17 2017-05-10 中铁第四勘察设计院集团有限公司 Magnetic levitation holding track type rail transit double-line track beam
CN105544372B (en) * 2015-12-17 2017-08-01 中铁第四勘察设计院集团有限公司 Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension
CN108130831B (en) * 2017-12-26 2020-04-24 中车长江车辆有限公司 Assembling device and method for curved box-shaped beam
CN108971900B (en) * 2018-08-14 2020-12-18 中信建设有限责任公司 Method for manufacturing arc beam frame of shed body
CN110421287B (en) * 2019-07-04 2021-06-25 青岛科技大学 Induction heating straightening device and process for welding and forming T-shaped beam
CN111702361B (en) * 2020-05-18 2022-03-08 武汉中车电牵科技有限公司 Process method for controlling welding deformation of rail transit box girder component
CN111702421B (en) * 2020-06-29 2022-04-26 中车株洲车辆有限公司 Assembling and welding method of concave underframe
CN111822546A (en) * 2020-07-16 2020-10-27 中国二十二冶集团有限公司 Method for producing arc-shaped component
CN112872729A (en) * 2021-01-14 2021-06-01 中铁工程设计咨询集团有限公司 Manufacturing method and assembling method of straddle type single-rail steel-concrete combined track beam stable surface component
CN112853826A (en) * 2021-01-14 2021-05-28 中铁工程设计咨询集团有限公司 Straddle type single-rail steel-concrete combined rail beam box type girder assembling method

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CN201155085Y (en) * 2008-01-31 2008-11-26 重庆钢铁(集团)有限责任公司 Riding light rail arced steel beam

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN201155085Y (en) * 2008-01-31 2008-11-26 重庆钢铁(集团)有限责任公司 Riding light rail arced steel beam

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