CN108457142A - A kind of preheating of groove-shape rail and soldering integration apparatus - Google Patents

A kind of preheating of groove-shape rail and soldering integration apparatus Download PDF

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Publication number
CN108457142A
CN108457142A CN201810169812.7A CN201810169812A CN108457142A CN 108457142 A CN108457142 A CN 108457142A CN 201810169812 A CN201810169812 A CN 201810169812A CN 108457142 A CN108457142 A CN 108457142A
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CN
China
Prior art keywords
groove
rail
soldering
preheating
clamping mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810169812.7A
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Chinese (zh)
Other versions
CN108457142B (en
Inventor
赵国
彭鹏
***
李力
丁韦
高振坤
宋宏图
王晨阳
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China Academy of Railway Sciences Corp Ltd CARS
Metals and Chemistry Research Institute of CARS
Beijing CARS Advanced Material Technology Co Ltd
Original Assignee
China Academy of Railway Sciences Corp Ltd CARS
Metals and Chemistry Research Institute of CARS
Beijing CARS Advanced Material Technology Co Ltd
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Application filed by China Academy of Railway Sciences Corp Ltd CARS, Metals and Chemistry Research Institute of CARS, Beijing CARS Advanced Material Technology Co Ltd filed Critical China Academy of Railway Sciences Corp Ltd CARS
Priority to CN201810169812.7A priority Critical patent/CN108457142B/en
Publication of CN108457142A publication Critical patent/CN108457142A/en
Application granted granted Critical
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02Working rail or other metal track components on the spot
    • E01B31/18Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00Devices for working the railway-superstructure
    • E01B2203/01Devices for working the railway-superstructure with track
    • E01B2203/012Devices for working the railway-superstructure with track present, i.e. in its normal position
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00Devices for working the railway-superstructure
    • E01B2203/14Way of locomotion or support
    • E01B2203/141Way of locomotion or support on the track to be treated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Induction Heating (AREA)

Abstract

A kind of groove-shape rail preheating of the application offer and soldering integration apparatus, including small rail car (5), small rail car (5) the top installation settings handpiece Water Chilling Units (1), intermediate frequency power cabinet (2), wire reel (3), arc welder (4), transformer (6), induction coil guide clamping mechanism (7), load coil (8) and welding gun holding frame (9), the internal load coil (8) of transformer (6) the connection induction coil guide clamping mechanism (7), induction coil guide clamping mechanism (7) is fixedly connected on small rail car (5) side.Groove-shape rail preheating through the invention and soldering integration apparatus, solve the problems, such as the side grinding of stock rail in groove-shape rail sharp radius curve section.The equipment can disposably long range carry out preheating and soldering operation, not only increase working efficiency, while reducing artificial interference, improve the quality of weld seam.

Description

A kind of preheating of groove-shape rail and soldering integration apparatus
Technical field
The present invention relates to groove-shape rail REPAIR WELDING field, especially a kind of groove-shape rail preheating and soldering integration are set It is standby.
Background technology
Traditional resurfacing of rail reparation is to carry out operation by the way of flame preheating and manual arc soldering before weldering.Operation When, flame preheating is carried out to rail head of rail to be repaired, is studied for a second time courses one has flunked again until carrying out manual electric arc welding after standard assigned temperature.
Flame preheating method can be oxygen+acetylene, the various ways such as coal gas before the weldering of Repair Welding.Related pre- thermal parameter Technical standard is had no, therefore is affected by operating personnel's control, stability is poor.The welding rod that manual Repair Welding generally uses Welding, weld job inefficiency, stability of the welding quality are poor.
The problem of this kind of operating type, is:When 1, preheating rail using flame, preheating temperature and flame that rail reaches State relation is larger, and the time for reaching assigned temperature is difficult to control;2, when manual soldering rail, speed of welding is slow, soldering layer The level of operation of quality heavy dependence welding personnel.
Meanwhile traditional rail recovery technique is not particularly suited for the U-steel of urban tram just for common rail Rail.The grooved track of tramcar is embedded structure, and there are the poor fillers of high temperature resistant in rail head outside, can not use tradition Rail head flame preheating.
Invention content
To overcome existing defect, the present invention to propose that a kind of groove-shape rail preheats and soldering integration apparatus.
A kind of preheating of groove-shape rail and soldering integration apparatus, including small rail car, the small rail car top installation are set Set handpiece Water Chilling Units, intermediate frequency power cabinet, wire reel, arc welder, transformer, induction coil guide clamping mechanism, sensing heating line Circle and welding gun holding frame, the in-house load coil of the transformer connection induction coil guide clamping, induction coil Guide clamping mechanism is fixedly connected on small rail car side.
Wherein, induction coil guide clamping mechanism include walking steamboat, installation hinge, aluminium alloy frame, insulated mounting plate and Welding gun holding frame, wherein aluminium alloy frame is arranged in induction coil guide clamping mechanism both sides, and insulated mounting plate is set to induction coil In the middle part of guide clamping mechanism, insulated mounting plate lower end setting walking steamboat, wherein on the inside of insulated mounting plate between aluminium alloy frame Spring is set.
Wherein, walking steamboat is multiple, and walking steamboat wheel face is groove profile rail arc shape.
Wherein, load coil is set on insulated mounting plate, wherein load coil includes imitative groove profile rail cambered surface Multi-loop copper tube, silicon steel sheet is set on the multi-loop copper tube.
Wherein, cooling water nozzle is arranged in load coil top, wherein cooling water nozzle is multiple, load coil top Two copper electrode plates are arranged in portion, and insulation board is arranged between two copper electrode plates.
Groove-shape rail preheating through the invention and soldering integration apparatus, the device structure is compact, production efficiency is high.Solution The side grinding problem of stock rail in groove-shape rail sharp radius curve section of having determined.The equipment disposably long range can be preheated and be welded Operation is mended, working efficiency is not only increased, while reducing artificial interference, improves the quality of weld seam.
Description of the drawings
Fig. 1 is groove-shape rail preheating and soldering integration apparatus schematic diagram.
Fig. 2 is groove-shape rail preheating and soldering integration apparatus heating coil schematic diagram.
Fig. 3 is the preheating of groove-shape rail equipment and soldering position view schematic diagram.
Fig. 4 is groove-shape rail preheating and soldering integration apparatus induction coil guide clamping structural scheme of mechanism.
Fig. 5 is that groove-shape rail preheating and soldering integration apparatus induction coil and groove-shape rail ensure relative position signal Figure.
Specific implementation mode
A kind of groove-shape rail preheating provided by the invention and soldering integration are set in the following with reference to the drawings and specific embodiments It is standby to be described in detail.
Fig. 1 shows, a kind of groove-shape rail preheating and soldering integration apparatus, including small rail car 5, the small rail car 5 Top installation settings handpiece Water Chilling Units 1, intermediate frequency power cabinet 2, wire reel 3, arc welder 4, transformer 6, induction coil guide clamping Mechanism 7, load coil 8 and welding gun holding frame 9, the transformer 6 connect the sense inside induction coil guide clamping mechanism 7 Heating coil 8 is answered, induction coil guide clamping mechanism 7 is met and is fixedly connected on 5 side of small rail car.Small rail car 5 loads it With certain speed, in groove-shape rail 10, complete machine moves his component from left to right.Carriage walking movement speed is mounted on underbody by a set of The driving mechanism in portion provides, and speed is at the uniform velocity adjustable.
The preheating system being made of components such as intermediate frequency power cabinet 2, transformer 6, load coils 8 during carriage walking System carries out continuous heating to load coil side channel shaped steel rail.
Fig. 2 shows load coil 8 is set on insulated mounting plate 13, wherein load coil 8 includes imitative slot Silicon steel sheet 19 is arranged on the multi-loop copper tube 18 for the multi-loop copper tube 18 of type rail cambered surface.It is furnished with a large amount of silicon steel sheets on multi-loop copper tube 18 19 to reinforce induced field at cambered surface.19 place cambered surface of silicon steel sheet is the groove cambered surface for heating groove-shape rail, that is, slot Shaped steel rail cover to be welded sets 20 (and in-site measurement rail most easily-worn positions), as shown in Fig. 3.
Cooling water nozzle 17 is arranged in 8 top of load coil, wherein cooling water nozzle 17 is multiple, and load coil 8 pushes up Two copper electrode plates 16 are arranged in portion, and insulation board is arranged between two copper electrode plates 16.
Equipped with a large amount of silicon steel sheets 19 to reinforce induced field at cambered surface on multi-loop copper tube 18.19 place cambered surface of silicon steel sheet is used In the groove cambered surface of heating groove-shape rail, that is, groove-shape rail cover to be welded sets 20 (and in-site measurement rail is most easy to wear Position), as shown in Fig. 3.
Induction coil guide clamping mechanism 7 includes walking steamboat 14, installation hinge 11, aluminium alloy frame 12, insulated mounting plate 13 and welding gun holding frame 9, wherein aluminium alloy frame 12 is arranged in 7 both sides of induction coil guide clamping mechanism, and insulated mounting plate 13 is arranged In 7 middle part of induction coil guide clamping mechanism, 13 lower end of insulated mounting plate setting walking steamboat 14, wherein insulated mounting plate 13 Spring 21 is set between inside and aluminium alloy frame 12.
Steamboat 14 of walking is multiple, and walking 14 wheel face of steamboat is groove profile rail arc shape.
In Specific construction, small rail car is driven by driving motor, can be moved forward and backward along grooved track, forward speed It can freely adjust between 0-8mm/s.Before carrying out preheating and soldering operation, need, first by trolley along track travel a small distance, to see It examines and adjusts the clip position of welding gun and preheat coil and waited at a distance from supplement of an arc face with groove-shape rail.After adjustment, according to setting Trolley forward or backward speed, set matched induction heating power output power (adjustable extent is in 0-80KW) and Arc welding wire feed rate.After being all provided with, starting induction heating power and small rail car, induction coil will begin to warm up Groove-shape rail, after waiting for a bit of time (about 20s, specific time change according to the speed of travel that trolley is set) of complete machine walking, Start arc welder and carries out soldering operation.The effect for first opening heating power supply is that rail heating needs the time, through after a period of time Afterwards, follow-up position to be welded can reach expected preheating temperature, and the quality of soldering operation can just be guaranteed.Pass through above-mentioned step Suddenly, so that it may to realize the continuously pre-heating and the soldering operation that carry out long range to groove-shape rail.
During carriage walking, pre-heating system first heats groove-shape rail groove cambered surface, when trolley continues to move to, welding gun Holding frame 9 and electric torch mounted thereon will be moved to and had at the groove-shape rail of certain temperature, be opened by soldering system Beginning weld job.During trolley is advanced, along the axial direction of load coil side channel shaped steel rail, complete machine will continue Progress first preheat, the operation process of rear soldering finally obtains a long weld seam along rail axial direction.
Before preheating and soldering operation, needs to treat before soldering groove-shape rail carries out and polish to remove dust, crackle etc.;Making After the completion of industry, the shape of polishing guarantee rail after being carried out to soldering position is needed.In addition, when equipment one section of groove-shape rail of completion Preheating with after soldering operation, when operation if you need to carry out another station track, it is only necessary to whole set equipment direction be rotated 180 degree, then instead To walking dolly.
As shown in Figures 4 and 5, to ensure the stabilization of preheating and the position of soldering, the left and right shake up and down not with carriage walking, Devise welding gun and induction coil guide clamping mechanism 7.Walking steamboat 14 is designed as groove profile rail arc shape, and pacifies in its side There is spring 21 to provide certain side-thrust, ensures that horizontal direction is fitted closely with rail when its walking.In addition rely on entire welding gun and The dead weight of induction coil guide clamping mechanism 7 ensures that vertical direction is fitted closely with rail when walking steamboat 14 is walked.
Two walking steamboats 14, welding gun holding frame 9 and load coil 8 are fixed on insulated mounting plate 13, with track There is certain degree of freedom in 5 level of trolley and upper and lower directions.When there is slight shake in small rail car 5, steamboat 14 of walking Welding gun holding frame 9 and load coil 8 will be driven to carry out self-control on the basis of the groove cambered surface of groove-shape rail, ensured The stability of preheating and soldering position.
In entire operation process, induction coil is fixed on track with water cooled welding torch by matched guide clamping mechanism The side of trolley, the two standoff distance are adjustable.But under same process conditions, the spacing of the two will immobilize.In addition, Guide clamping mechanism relies on its directive wheel and spring during carriage walking, come ensure in operation process welding gun and heating coil with Groove-shape rail position to be welded is relatively fixed.
It is an advantage of the current invention that the mode as a result of Medium frequency induction electric preheating carries out groove-shape rail rail head preheating, In the case where technological parameter is the same, wait for that the heating temperature at soldering position is highly stable, multiplicity is high.The resurfacing of rail is repaiied Multiple, the height of preheating temperature directly affects the success or failure of Repair Welding.Therefore, it can greatly be carried by way of electric induction preheating The quality of high resurfacing of rail reparation.For groove-shape rail soldering, track defect type is mainly track small curve radius portion The rail head side grinding of position, disposably waits for that soldering position is long.Therefore, the pre- heat channel of disposable long range in orbit by carriage walking Shaped steel rail, operating efficiency are much higher than traditional preheating method.
By the design of welding gun and induction coil guide clamping mechanism, ensure that in track carriage walking, welding gun and sense Answer heating coil that can stablize preheating and soldering groove-shape rail fixation cambered surface.
Finally it should be noted that above example only to technical scheme of the present invention is described rather than to this technology method It is limited, the present invention can above extend to other modifications, variation, application and embodiment, and therefore, it is considered that institute in application There are such modification, variation, application, embodiment all within the scope of the spirit or teaching of the present invention.

Claims (5)

1. a kind of groove-shape rail preheating and soldering integration apparatus, including small rail car (5), small rail car (5) the top peace Installing is set handpiece Water Chilling Units (1), intermediate frequency power cabinet (2), wire reel (3), arc welder (4), transformer (6), induction coil and is oriented to Clamping device (7), load coil (8) and welding gun holding frame (9), which is characterized in that the transformer (6) connects the line of induction The internal load coil (8) of guide clamping mechanism (7) is enclosed, induction coil guide clamping mechanism (7) is fixedly connected on Small rail car (5) side.
2. groove-shape rail preheating according to claim 1 and soldering integration apparatus, which is characterized in that the induction coil Guide clamping mechanism (7) includes walking steamboat (14), installation hinge (11), aluminium alloy frame (12), insulated mounting plate (13) and weldering Rifle holding frame (9), wherein aluminium alloy frame (12) is arranged in induction coil guide clamping mechanism (7) both sides, and insulated mounting plate (13) is set It is placed in the middle part of induction coil guide clamping mechanism (7), insulated mounting plate (13) lower end setting walking steamboat (14), wherein insulation Setting spring (21) between mounting plate (13) inside and aluminium alloy frame (12).
3. groove-shape rail preheating according to claim 2 and soldering integration apparatus, which is characterized in that the walking steamboat (14) it is multiple, walking steamboat (14) wheel face is groove profile rail arc shape.
4. groove-shape rail preheating according to claim 1 and soldering integration apparatus, which is characterized in that the sensing heating Coil (8) is set on insulated mounting plate (13), wherein load coil (8) includes the multi-loop copper tube of imitative groove profile rail cambered surface (18), silicon steel sheet (19) is set on the multi-loop copper tube (18).
5. groove-shape rail preheating according to claim 1 and soldering integration apparatus, which is characterized in that the sensing heating Cooling water nozzle (17) is arranged in coil (8) top, wherein two copper electrode plates (16), two bronze medals are arranged at the top of load coil (8) Insulation board is arranged between (16) in electrode plate.
CN201810169812.7A 2018-03-01 2018-03-01 Groove-shaped steel rail preheating and welding integrated equipment Active CN108457142B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810169812.7A CN108457142B (en) 2018-03-01 2018-03-01 Groove-shaped steel rail preheating and welding integrated equipment

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Application Number Priority Date Filing Date Title
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CN108457142B CN108457142B (en) 2024-05-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101410A (en) * 2020-01-06 2020-05-05 北京三帝科技股份有限公司 Online additive repair vehicle for steel rail
CN111101411A (en) * 2020-01-10 2020-05-05 北京三帝科技股份有限公司 Steel rail online additive repairing vehicle with cleaning system
CN114059405A (en) * 2021-12-10 2022-02-18 芜湖越捷锻造有限公司 Be used for high-efficient seamless welding set of track

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CN206928151U (en) * 2017-06-01 2018-01-26 中研新材料股份有限公司 A kind of railway track and track switch plasma 3D printing movement prosthetic appliance
CN208151783U (en) * 2018-03-01 2018-11-27 中国铁道科学研究院金属及化学研究所 A kind of preheating of groove-shape rail and soldering integration apparatus

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CN2575109Y (en) * 2002-08-12 2003-09-24 郑体成 Coal-saving device pipe for spraying composite coating with supersonic speed arc spraying equipment
CN103540736A (en) * 2013-09-22 2014-01-29 中铁宝桥集团有限公司 Heat treatment method and heat treatment method for steel rail profiling heel end section
US20170073793A1 (en) * 2014-04-08 2017-03-16 Nippon Steel & Sumitomo Metal Corporation Heat treatment device, heat treatment method, and rail steel
CN204810575U (en) * 2014-12-08 2015-11-25 北京金和昌利科贸有限公司 Inductor boots
CN205443394U (en) * 2015-11-03 2016-08-10 中国铁道科学研究院金属及化学研究所 Cell type guardrail induction heating heat treatment device
CN205803537U (en) * 2016-07-11 2016-12-14 燕山大学 A kind of device for workpiece spherical inner hole uniform induction heating
CN106244785A (en) * 2016-07-28 2016-12-21 石家庄新莱特机械轧辊有限公司 A kind of quenching unit for thrust wheel of digging machine shaft head and technique thereof
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111101410A (en) * 2020-01-06 2020-05-05 北京三帝科技股份有限公司 Online additive repair vehicle for steel rail
CN111101411A (en) * 2020-01-10 2020-05-05 北京三帝科技股份有限公司 Steel rail online additive repairing vehicle with cleaning system
CN114059405A (en) * 2021-12-10 2022-02-18 芜湖越捷锻造有限公司 Be used for high-efficient seamless welding set of track
CN114059405B (en) * 2021-12-10 2023-09-01 株洲三龙特种精密铸造有限公司 Be used for high-efficient seamless welding set of track

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