CN203495407U - Steel rail induction butt welding and heat treating device - Google Patents

Steel rail induction butt welding and heat treating device Download PDF

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Publication number
CN203495407U
CN203495407U CN201320604331.7U CN201320604331U CN203495407U CN 203495407 U CN203495407 U CN 203495407U CN 201320604331 U CN201320604331 U CN 201320604331U CN 203495407 U CN203495407 U CN 203495407U
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China
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group
caliper body
rail
induction
subcoils
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CN201320604331.7U
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Chinese (zh)
Inventor
王有虹
倪嘉楠
李贤元
曹志国
巩家祥
宋自帅
刘晓磊
黄腾飞
郦雪云
黄思姬
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CRRC Qishuyan Institute Co Ltd
Changzhou Ruitai Engineering Machinery Co Ltd
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CRRC Qishuyan Institute Co Ltd
Changzhou Ruitai Engineering Machinery Co Ltd
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Abstract

The utility model discloses a steel rail induction butt welding and heat treating device, which comprises an induction welding device, a programmable logic controller (PLC) control system, a hydraulic system, a cooling system, an induction heating power supply and an air blast system, wherein the induction welding device comprises a first group of clamp bodies, a second group of clamp bodies, a center shaft, a clamping oil cylinder, a upsetting oil cylinder, a shearing device and a jaw, left and right mounting plates are further arranged between the first group of clamp bodies and the second group of clamp bodies, and corresponding positioning oil cylinders are all arranged on the left and the right mounting plates. The induction welding device further comprises open-close type induction heating coils, wherein an electrode structure is fixed on one of the left and the right mounting plates, the second group of clamp bodies are provided with auxiliary oil cylinders, piston rods of the two auxiliary oil cylinders are respectively connected with the corresponding left and the right mounting plates, nozzles are respectively arranged on the left and the right mounting plates, a connecting piece is arranged and connected on the lower portion of the center shaft, and a displacement sensor and a temperature sensor are all electrically connected with the PLC control system. The steel rail induction butt welding and heat treating device is automatically operated, and is high in efficiency.

Description

A kind of rail induction butt welding and annealing device
Technical field
The utility model relates to welding and the heat treatment of rail, particularly induction butt welding and the Equipment for Heating Processing of relevant rail.
Background technology
Induction welding is to utilize the eddy current effect heated parts on workpiece in alternating magnetic field-electric field induction, makes workpiece fusing, thereby realizes a kind of method of welding, belongs to Pressure Welding a kind of.Eddy-current heating can be divided into according to the frequency difference of electric current used: high-frequency induction heating (100 kHz ~ 1000kHz), Frequency Induction Heating (1kHz ~ 10kHz) and line-frequency induction heating (50Hz).Intermediate frequency (1 ~ 10KHZ) heat penetration is 2-10mm, is generally used for axle class and the heating of big-and-middle forging workpiece that diameter is large.
The rail of take induction butt welding is example, and after induction butt welding finishes, joint microstructure is AUSTENITE GRAIN COARSENING especially, and toughness plasticity significantly declines.Test shows, weld seam and near zone autstenitic grain size reach 2-3 level, and ballistic work generally only has the 30%-40% of mother metal, the 50%-60% that plasticity is mother metal.In production process, normal employing post weld heat treatment realizes crystal grain thinning, eliminates weld stress effect, improves plastic property of weld bead and grain size.
Particularly the welding of the on-the-spot rail of current track and post weld heat treatment are and adopt separately different devices or equipment to carry out respectively, and the one, automaticity is low, and labor operation intensity is large, causes the organizational efficiency of rail construction low, long construction period; The 2nd, welding and heat treatment process are affected by various human factors easily, cause the quality of the steel rail weld joint after welding and heat treatment unstable.The 3rd, the acquisition cost of equipment is higher, and has increased the requirement to construction site.
Summary of the invention
The purpose of this utility model is to provide a kind of automation, rail induction butt welding and annealing device that efficiency is high.
In order to achieve the above object, the technical solution of the utility model is: a kind of rail induction butt welding and annealing device, comprise induction welding device, PLC control system, hydraulic system, cooling system, induction heating power and spray wind system, induction welding device comprises first group of caliper body, second group of caliper body, central shaft, clamping cylinder, upset oil cylinder, push away that salient mounting is put and jaw, wherein first group of caliper body and second group of caliper body are all hinged on and on common central shaft, form two pairs of pincerlike clamping devices, clamping cylinder is all housed to drive first group of caliper body between the caliper body of every pair of pincerlike clamping device, second group of caliper body rotated around central shaft respectively, first group of caliper body with second group of caliper body all by being connected with upset oil cylinder the relative motion realizing along center shaft axis direction, the described salient mounting that pushes away is put and is contained in first group of caliper body bottom, described first group of caliper body and second group of caliper body bottom are equipped with jaw, between described first group of caliper body and second group of caliper body, be also provided with left and right installing plate, described left and right installing plate is hinged on central shaft by the first through hole respectively, and left and right installing plate is slidably matched and is nested with on corresponding upset cylinder piston rod by the second through hole respectively, on described left and right installing plate, corresponding positional cylinder is all housed, described induction welding device also comprises the load coil of open-close type, the load coil of described open-close type comprises two subcoils, two subcoils respectively with corresponding positional cylinder load, two subcoils have the cavity adapting with rail section to be welded after closing up, on one of described left and right installing plate, be fixed with electrode structure, electrode structure comprises first, second electrode, and when two subcoils close up, described first, second electrode contacts with the top of two subcoils respectively, and the bottom of two subcoils contacts with each other, form galvanic circle, an auxiliary cylinder is all housed in each caliper body of described second group of caliper body, the piston rod of two auxiliary cylinders respectively with corresponding left and right installing plate load, described spray wind system has blast pipe, is fitted with respectively blast pipe on left and right installing plate, and blast pipe is arranged in respectively by two subcoils of load coil, the bottom of described central shaft is fitted with keeper, also include oil circuit allocation block, on described oil circuit allocation block, pressure sensor is housed, described central shaft is provided with displacement transducer, and described left installing plate or right installing plate are provided with temperature sensor, and displacement transducer, temperature sensor and pressure sensor are all electrically connected to PLC control system.
Described electrode structure is positioned at the first place, through hole below on one of left and right installing plate.
Described positional cylinder has four, and the upper and lower part of left and right installing plate is respectively equipped with one.
The piston rod of described two auxiliary cylinders is by guiding slide bar and corresponding left and right installing plate load, and guiding slide bar and second group of caliper body are slidably matched.
On described left and right installing plate, be sliding combined with respectively guide plate, guide plate is fixed with the piston rod of corresponding positional cylinder, and two subcoils are installed in respectively on corresponding guide plate, and the blast pipe of described spray wind system is separately fixed on corresponding guide plate.
The both sides of described two subcoils are respectively furnished with first nozzle and the 3rd nozzle of blast pipe.
Described two subcoils form by two circle hollow copper coils, and the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle of blast pipe.
Described two subcoils form by two circle hollow copper coils, and the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle of blast pipe, and the both sides of described two subcoils are respectively furnished with first nozzle and the 3rd nozzle of blast pipe.
On described central shaft, be also set with lifting axle sleeve, and clip is also equipped with at the two ends of described central shaft; Keeper is by lifting axle sleeve and central shaft load.
On described central shaft, be also set with two lifting axle sleeves, described two lifting axle sleeves lay respectively between the caliper body of every pair of pincerlike clamping device, and a clip is also equipped with respectively at the two ends of described central shaft; On described lifting axle sleeve and clip, be all fitted with keeper.
The first electrode of described electrode structure and the second electrode connect respectively the output of induction heating power, and conducting copper is intersected and is fixed between the first electrode and the second electrode by heat resistance insulating sheet; There is the first, the 5th coil contact the upper end of a subcoil in two subcoils of load coil, there is the second, the 6th coil contact bottom, there is the 4th, the 8th coil contact the upper end of another subcoil, and there is the 3rd, the 7th coil contact bottom.
The first electrode of described electrode structure and the second electrode connect respectively the output of induction heating power, between the first electrode and the second electrode, heat resistance insulating sheet are housed; There is respectively first, second coil contact in the upper and lower end portion of a subcoil in two subcoils of load coil, and the upper and lower end portion of another subcoil has respectively the 4th, tertiary coil contact.
The heat resisting temperature of described heat resistance insulating sheet at least will be higher than the welding temperature of rail, during practice, and the difference of the visual welding temperature of heat resistance insulating sheet and adopt the insulating materials manufacture accordingly with different high temperature resistant grades.
Adopt after said structure, the utlity model has following beneficial effect: the utility model adopts PLC to control, realized rail welding process clamping, upset, induction welding, push away the multinomial tasks such as protruding and normalized treatment, automaticity is high, obviously reduced human factor impact, improve welding quality, reduced labor operation intensity; Simultaneously the utility model is integrated in induction normalizing on induction welding device, and the integrated level of equipment has improved in shared a set of control executing agency, has reduced the requirement to equipment and place, has saved equipment purchasing expense.Simultaneously because the utility model is hinged on left and right installing plate on central shaft, and be slidably matched and be nested with on corresponding upset cylinder piston rod; Under the cooperation of positional cylinder and auxiliary cylinder, load coil can be pushed to quickly and accurately to the joint of two one steel rails, rail is heated, therefore, further improve speed of welding and the efficiency of rail.
In addition, because of welding and heat treatment can on a set of equipment, complete, rail construction organization efficiency is also significantly improved, and has shortened the construction period of Site Welding rail.The utility model is particularly useful for rail welding and the heat treatment at track scene.
Accompanying drawing explanation
The embodiment providing below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is structural principle block diagram of the present utility model;
Fig. 2 is the schematic side view of rail induction butt welding of the present utility model and annealing device;
Fig. 3 is main TV structure schematic diagram of the present utility model, the i.e. left view of Fig. 2;
Fig. 4 is the cutaway view along A-A line (being rotated counterclockwise after 90 °) of Fig. 2;
Fig. 5 is the syndeton schematic diagram of left and right installing plate in the utility model, load coil, positional cylinder;
Fig. 6 is the top view of Fig. 5;
Fig. 7, the 8th, the folding moving structure schematic perspective view of load coil of the present utility model;
Fig. 9 is the top views of two subcoils when bag holds together rail to be welded;
The top view of two subcoils rail's end portion direction separately time when Figure 10 is two circles loop;
The upward view of two subcoils rail foot direction separately time when Figure 11 is two circles loop;
The top view of two subcoils rail's end portion direction separately time when Figure 12 is single turn loop;
The upward view of two subcoils rail foot direction separately time when Figure 13 is single turn loop.
The specific embodiment
As Fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, shown in 13, rail induction butt welding of the present utility model and annealing device, comprise induction welding device 1, PLC control system, hydraulic system, cooling system, induction heating power and spray wind system, induction welding device 1 comprises first group of caliper body 10, second group of caliper body 6, central shaft 12, clamping cylinder 3, upset oil cylinder 7, push away salient mounting and put 2 and jaw 11, wherein first group of caliper body 10 and second group of caliper body 6 are all hinged on common central shaft 12 and form two pairs of pincerlike clamping devices, clamping cylinder 3 are all housed to drive first group of caliper body 10 between the caliper body of every pair of pincerlike clamping device, second group of caliper body 6 rotated around central shaft 12 respectively, first group of caliper body 10 with second group of caliper body 6 all by being connected with upset oil cylinder 7 relative motion realizing along central shaft 12 axis directions, the described salient mounting that pushes away is put 2 and is contained in first group of caliper body 10 bottom, and described first group of caliper body 10 and second group of caliper body 6 bottom are equipped with jaw 11, between described first group of caliper body 10 and second group of caliper body 6, be also provided with left and right installing plate 13,14, described left and right installing plate 13,14 is hinged on central shaft 12 by the first through hole 13-1,14-1 respectively, and left and right installing plate 13,14 is slidably matched and is nested with on corresponding upset cylinder piston rod 7-1 by the second through hole 13-2,14-2 respectively, on described left and right installing plate 13,14, corresponding positional cylinder 15 is all housed, described induction welding device 1 also comprises the load coil 8 of open-close type, the load coil 8 of described open-close type comprises two subcoil 8-a, 8-b, two subcoil 8-a, 8-b respectively with corresponding positional cylinder 15 loads, two subcoil 8-a, 8-b have the cavity adapting with rail to be welded 20 cross sections after closing up, on one of described left and right installing plate 13,14, be fixed with electrode structure 19, electrode structure 19 comprises first, second electrode 19-1,19-2, when two subcoil 8-a, 8-b close up, described first, second electrode 19-1,19-2 contact with the top of two subcoil 8-a, 8-b respectively, and the bottom of two subcoil 8-a, 8-b contacts with each other, form galvanic circle, the piston rod that 9, two auxiliary cylinders 9 of an auxiliary cylinder are all housed in each caliper body of described second group of caliper body 6 respectively with corresponding left and right installing plate 13,14 loads, described spray wind system has blast pipe 16, on left and right installing plate 13,14, is fitted with respectively blast pipe 16, and blast pipe 16 is arranged in respectively by two subcoil 8-a, 8-b of load coil 8, the bottom of described central shaft 12 is fitted with keeper 21, also include oil circuit allocation block 5, on described oil circuit allocation block 5, pressure sensor 25 is housed, described central shaft 12 is provided with displacement transducer 12-1, described left installing plate 13 or right installing plate 14 are provided with temperature sensor 4, and displacement transducer 12-1, temperature sensor 4 and pressure sensor 25 are all electrically connected to PLC control system.
Because left and right installing plate 13,14 is hinged on central shaft 12, and be slidably matched and be nested with on corresponding upset cylinder piston rod 7-1; And corresponding positional cylinder 15 and auxiliary cylinder 9 be housed; Two subcoil 8-a, 8-b of load coil 8 respectively with corresponding positional cylinder 15 loads, therefore, load coil 8 can move to the joint of two one steel rails rapidly, exactly, rail is heated, thereby can further improve speed of welding and the efficiency of rail.
As shown in Figure 3, oil circuit allocation block 5 can, by bearing 26 and central shaft 12 loads, also can be installed in first group of caliper body 10 or second group of caliper body 6.
Induction welding device 1 can adopt Medium frequency induction welder, also can adopt high frequency induction welding connection device, but supporting induction heating power also will be with corresponding intermediate frequency or high-frequency induction heating power.Can be different (as 43kg/m ~ 75kg/m according to the cross dimensions of rail; 46E1 ~ 60E1) select suitable intermediate frequency, high-frequency induction heating power.Hydraulic system can be comprised of hydraulic pump, hydraulic control valve, fluid pressure line etc.
Cooling system, as adopted water as cooling medium, can be comprised of water pump, valve, cooling line etc.Certainly, cooling system also can as required, adopt other cooling medium beyond dewatering.
Spray wind system also comprises air compressor, valve, blast pipe road etc.
Keeper 21 is generally for being pressed in the block part at rail top.On described central shaft 12, be also set with lifting axle sleeve 23, and clip 24 is also equipped with at the two ends of described central shaft 12; Keeper 21 is by lifting axle sleeve 23 and central shaft 12 loads.
Preferably: on described central shaft 12, be also set with two lifting axle sleeves 23, described two lifting axle sleeves 23 lay respectively between the caliper body of every pair of pincerlike clamping device, and a clip 24 is also equipped with respectively at the two ends of described central shaft 12; On described lifting axle sleeve 23 and clip 24, be all fitted with keeper 21.
This is because when carrying out rail 20 welding, not only need to fix two one steel rails 20, but also to guarantee two one steel rail 20 alignment, that just need to carry out accurately location centering to two one steel rails 20, and therefore the effect of 4 keepers 21 is under the cooperation with jaw 11, to guarantee that two one steel rails 20 locate and centering more accurately, more accurately and more quickly.Wherein 4 keepers 21 are one group between two, every group of keeper 21 location one one steel rails 20, adopted the principle of 2 definite straight lines, thereby, under the clamping of jaw 11 coordinates, can realize two one steel rails 20 are carried out fast and accurate location centering, simultaneously because 4 keepers 21 can guarantee rail 20 accurate centering location more fast, induction welding device 1 directly falls to putting on rail 20, can guarantee two one steel rail 20 alignment, does not need to do other adjustment again.
As shown in Figure 5,6, described electrode structure 19 is positioned at the place, the first through hole 13-1,14-1 below on one of left and right installing plate 13,14.
As shown in Fig. 5,6,7,8, described positional cylinder 15 has four, and the upper and lower part of left and right installing plate 13,14 is respectively equipped with one.Like this, more steady when two subcoil 8-a, 8-b move, position is more accurate.
As shown in Fig. 4,7,8, the piston rod of described two auxiliary cylinders 9 is by guiding slide bar 18 and corresponding left and right installing plate 13,14 loads, and guiding slide bar 18 and second group of caliper body 6 are slidably matched.Like this, more steady when left and right installing plate 13,14 moves, two synchronisms that subcoil 8-a, 8-b move of assurance load coil 8.
As shown in Fig. 5,6,7,8, on described left and right installing plate 13,14, be sliding combined with respectively guide plate 17, guide plate 17 is fixed with the piston rod of corresponding positional cylinder 15, two subcoil 8-a, 8-b are installed in respectively on corresponding guide plate 17, and the blast pipe 16 of described spray wind system is separately fixed on corresponding guide plate 17.Like this, guaranteed when two subcoil 8-a, 8-b close up more accurate, not yielding.
As shown in Figure 9, the both sides of described two subcoil 8-a, 8-b are respectively furnished with a first nozzle 16-1 and a 3rd nozzle 16-3 of blast pipe 16.Or described two subcoil 8-a, 8-b form by two circle hollow copper coils, the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle 16-2 of blast pipe 16.
Also can be that described two subcoil 8-a, 8-b form by two circle hollow copper coils, the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle 16-2 of blast pipe 16, and the both sides of described two subcoil 8-a, 8-b are respectively furnished with a first nozzle 16-1 and a 3rd nozzle 16-3 of blast pipe 16.
As shown in Figure 10,11; during two circles loop; electrode structure 19 is: described the first electrode 19-1 and the second electrode 19-2 connect respectively the output of induction heating power, and conducting copper 22 is intersected and is fixed between the first electrode 19-1 and the second electrode 19-2 by heat resistance insulating sheet 27; The structure of load coil 8 is: there are the first, the 5th coil contact 8-1,8-5 in the upper end of a subcoil 8-a in two subcoil 8-a, 8-b, there are the second, the 6th coil contact 8-2,8-6 in bottom, there are the 4th, the 8th coil contact 8-4,8-8 in the upper end of another subcoil 8-b, and there are the 3rd, the 7th coil contact 8-3,8-7 in bottom.Certainly, conducting copper 22 is preferably zigzag, can be also other shapes such as step.
When two subcoil 8-a, 8-b close up, the top first of load coil 8, the 4th, the 5th, the 8th coil contact 8-1,8-4,8-5,8-8 contact with the first contact 22-1, the second contact 22-2 and the second electrode 19-2 of the first electrode 19-1, conducting copper 22 respectively; The bottom second of load coil 8, the 6th coil contact 8-2,8-6 contact with the 3rd, the 7th coil contact 8-3,8-7 respectively, form thus two circles loop.
The first electrode 19-1 of take connects induced-current and is output as positive direction as example, induced-current flows to: induced-current flows into from electrode 19-1, through the first contact 22-1 of the first coil contact 8-1, the second coil contact 8-2, tertiary coil contact 8-3, the 4th electrode contacts 8-4, conducting copper 22 and the second contact 22-2, the 5th coil contact 8-5, the 6th coil contact 8-6, the 7th coil contact 8-7, the 8th coil contact 8-8, last electric current flows out from the second electrode 19-2, forms thus two circles loop.
As shown in Figure 12,13, during single turn loop, electrode structure 19 is: described the first electrode 19-1 and the second electrode 19-2 connect respectively the output of induction heating power, between the first electrode 19-1 and the second electrode 19-2, heat resistance insulating sheet 27 is housed; The structure of load coil 8 is: there are respectively first, second coil contact 8-1,8-2 in the upper and lower end portion of a subcoil 8-a in two subcoil 8-a, 8-b, has respectively the 4th, tertiary coil contact 8-4,8-3 in the upper and lower end portion of another subcoil 8-b.
When two subcoil 8-a, 8-b close up, the top first of load coil 8, the 4th coil contact 8-1,8-4 contact with first, second electrode 19-1,19-2 respectively; The bottom second coil contact 8-2 of load coil 8 contacts with tertiary coil contact 8-3, forms thus single turn loop.
The first electrode 19-1 of take connects induced-current and is output as positive direction as example, induced-current flows to: induced-current flows into from the first electrode 19-1, through the first coil contact 8-1, the second coil contact 8-2, tertiary coil contact 8-3, the 4th coil contact 8-4, last electric current, from the second electrode 19-2, flow out, form thus single turn loop.
As shown in Figure 1, 2, 3, rail induction butt welding of the present utility model and annealing device have adopted induction welding and the heat treatment technics of Automatic Control.Induction welding device 1 is as the groundwork device of whole equipment, directly completes clamping position, induction welding, upset to rail, pushes away the various actions such as protruding, normalizing.PLC control system is the control centre of whole equipment, except controlling induction welding device 1, complete above-mentioned various actions, guarantee that induction welding device 1 completes the automatic welding of rail and realizes outside the feedback of Control Welding Process, carries out follow-up action but also control hydraulic system, cooling system, induction heating power and spray wind system.Cooling system adopts external water circulation in welding and normalizing process, makes water pass through load coil 8 hollow copper cores, avoids load coil 8 to produce superheating phenomenons.Spray wind system is intended to improve after normalizing the average hardness of weld seam and near mother metal.Displacement transducer, pressure sensor 25 gather respectively various displacements and the pressure data in rail welding and normalizing process and calculate rear feedback output by PLC control system, thereby realize the various actions of induction welding device 1.Temperature sensor 4 gathers the real time temperature of track bonds place, feeds back to PLC control system after reaching design temperature, thereby closes or start induction heating power.
As shown in Fig. 1,2,3,4,5,6,7,8,9,10, rail induction butt welding of the present utility model and annealing device operation principle are as follows:
When the utility model is used, first induction heating power is accessed to interchange out-put supply or the enough electric network sources of capacity that power source is also diesel generating set, then by clamping cylinder 3, drive two groups of caliper body 10, 6 rotate around central shaft 12 respectively, make two groups of caliper body 10, the jaw 11 of 6 bottoms clamps two rail 20 to be welded centering respectively, upset oil cylinder 7 applies initial upset force is adjacent to the end face of two one steel rail 20 joints, auxiliary cylinder 9 is pushed into the load coil of open-close type 8 joint of rail 20 to be welded, positional cylinder 15 makes two subcoil 8-a of load coil 8, 8-b draws close to two one steel rail 20 joints, and realize the closure of load coil 8, whole load coil 8 holds together the joint bag of rail 20.PLC control system starts induction heating power, and load coil 8 energisings are heated rail, and Controlled cooling system carries out water cooling to load coil 8 simultaneously, controls the action of hydraulic system retaining clip locking oil cylinder 3 and upset oil cylinder 7.Treat that load coil 8 is heated to 1200~1430 ℃ of degree by the joint temperature of rail 20, PLC control system is closed induction heating power and is controlled positional cylinder 15 two subcoil 8-a, 8-b of load coil 8 are opened fast, order upset oil cylinder 7 to apply the upset force of setting, two one steel rail 20 end face constipations are combined simultaneously.The piston rod of auxiliary cylinder 9 drives load coil 8 to be retracted into initial position, pushes away salient mounting simultaneously and puts 2 promotions and push away celectome overlap is cut, and completes the protruding action of pushing away of overlap.Complete and push away after knurl, push away salient mounting and put 2 and return initial bit, return a side of first group of caliper body 10.
Next, weld seam to two one steel rail 20 joints is heat-treated: auxiliary cylinder 9 is pushed into load coil 8 commissure of two one steel rails 20 again, positional cylinder 15 is pushed two subcoil 8-a, 8-b of load coil 8 to two one steel rails 20, and bag is disturbed the commissure of rail 20; When weld seam is cooled to below 500 ℃, PLC control system restarts induction heating power, load coil 8 energisings, to rail heating, reach predetermined normalizing temperature (conventionally 830~950 ℃ of scopes) by the heating of rail head of rail temperature, make the tissue at steel rail welding line place completely by austenitizing; After reaching predetermined normalizing temperature, PLC control system is closed induction heating power, starts spray wind system and carries out cooling to the weld seam of two one steel rails 20; Until weld seam temperature, be cooled to after approximately 500 ℃, PLC control system is closed spray wind system;
Positional cylinder 15 pulls open two subcoil 8-a, 8-b of load coil 8 fast, and auxiliary cylinder 9 loculus oil-feeds drive load coil 8 to return initial bit, return a side of second group of caliper body 6.Clamping cylinder 3 loculus oil-feeds, drive two groups of caliper body 10,6 that jaw 11 is opened, and also drive two subcoil 8-a, 8-b of load coil 8 to open simultaneously, complete the induction welding of rail and heat treatment.

Claims (12)

1. rail induction butt welding and an annealing device, comprise induction welding device (1), PLC control system, hydraulic system, cooling system, induction heating power and spray wind system, it is characterized in that:
A, induction welding device (1) comprises first group of caliper body (10), second group of caliper body (6), central shaft (12), clamping cylinder (3), upset oil cylinder (7), push away salient mounting and put (2) and jaw (11), wherein first group of caliper body (10) and second group of caliper body (6) are all hinged on two pairs of pincerlike clamping devices of the upper formation of common central shaft (12), clamping cylinder (3) is all housed to drive first group of caliper body (10) between the caliper body of every pair of pincerlike clamping device, second group of caliper body (6) rotated around central shaft (12) respectively, first group of caliper body (10) with second group of caliper body (6) all by being connected with upset oil cylinder (7) relative motion realizing along central shaft (12) axis direction, the described salient mounting that pushes away is put (2) and is contained in first group of caliper body (10) bottom, described first group of caliper body (10) and second group of caliper body (6) bottom are equipped with jaw (11),
Between b, described first group of caliper body (10) and second group of caliper body (6), be also provided with left and right installing plate (13,14), it is upper that described left and right installing plate (13,14) is hinged on central shaft (12) by the first through hole (13-1,14-1) respectively, and left and right installing plate (13,14) is slidably matched and is nested with on corresponding upset cylinder piston rod (7-1) by the second through hole (13-2,14-2) respectively;
C, described left and right installing plate are all equipped with corresponding positional cylinder (15) on (13,14);
D, described induction welding device (1) also comprise the load coil (8) of open-close type, the load coil of described open-close type (8) comprises two subcoils (8-a, 8-b), two subcoils (8-a, 8-b) respectively with corresponding positional cylinder (15) load, two subcoils (8-a, 8-b) have the cavity adapting with rail to be welded (20) cross section after closing up;
On one of e, described left and right installing plate (13,14), be fixed with electrode structure (19), electrode structure (19) comprises first, second electrode (19-1,19-2), when two subcoils (8-a, 8-b) close up, described first, second electrode (19-1,19-2) contacts with the top of two subcoils (8-a, 8-b) respectively, and the bottom of two subcoils (8-a, 8-b) contacts with each other, form galvanic circle;
An auxiliary cylinder (9) is all housed in each caliper body of f, described second group of caliper body (6), the piston rod of two auxiliary cylinders (9) respectively with corresponding left and right installing plate (13,14) load;
G, described spray wind system have blast pipe (16), and left and right installing plate is fitted with respectively blast pipe (16) on (13,14), and blast pipe (16) is arranged in respectively two subcoils (8-a, 8-b) side of load coil (8);
The bottom of h, described central shaft (12) is fitted with keeper (21);
I, also include oil circuit allocation block (5), pressure sensor (25) is housed on described oil circuit allocation block (5), described central shaft (12) is provided with displacement transducer (12-1), described left installing plate (13) or right installing plate (14) are provided with temperature sensor (4), and displacement transducer (12-1), temperature sensor (4) and pressure sensor (25) are all electrically connected to PLC control system.
2. rail induction butt welding according to claim 1 and annealing device, is characterized in that: described electrode structure (19) is positioned at the place, the first through hole (13-1,14-1) below on one of left and right installing plate (13,14).
3. rail induction butt welding according to claim 1 and annealing device, is characterized in that: described positional cylinder (15) has four, and the upper and lower part of left and right installing plate (13,14) is respectively equipped with one.
4. rail according to claim 1 is responded to butt welding and annealing device, it is characterized in that: the piston rod of described two auxiliary cylinders (9) is by guiding slide bar (18) and corresponding left and right installing plate (13,14) load, and guiding slide bar (18) is slidably matched with second group of caliper body (6).
5. rail according to claim 3 is responded to butt welding and annealing device, it is characterized in that: described left and right installing plate is sliding combined with respectively guide plate (17) on (13,14), guide plate (17) is fixed with the piston rod of corresponding positional cylinder (15), it is upper that two subcoils (8-a, 8-b) are installed in respectively corresponding guide plate (17), and the blast pipe of described spray wind system (16) is separately fixed on corresponding guide plate (17).
6. rail is responded to butt welding and annealing device according to claim 1 or 5, it is characterized in that: the both sides of described two subcoils (8-a, 8-b) are respectively furnished with first nozzle (16-1) and the 3rd nozzle (16-3) of blast pipe (16).
7. rail is responded to butt welding and annealing device according to claim 1 or 5, it is characterized in that: described two subcoils (8-a, 8-b) form by two circle hollow copper coils, the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle (16-2) of blast pipe (16).
8. rail is responded to butt welding and annealing device according to claim 1 or 5, it is characterized in that: described two subcoils (8-a, 8-b) form by two circle hollow copper coils, the intermediate gaps place of two circle hollow copper coils is furnished with a second nozzle (16-2) of blast pipe (16), and the both sides of described two subcoils (8-a, 8-b) are respectively furnished with first nozzle (16-1) and the 3rd nozzle (16-3) of blast pipe (16).
9. rail induction butt welding according to claim 1 and annealing device, is characterized in that: on described central shaft (12), be also set with lifting axle sleeve (23), and clip (24) is also equipped with at the two ends of described central shaft (12); Keeper (21) is by lifting axle sleeve (23) and central shaft (12) load.
10. rail according to claim 1 is responded to butt welding and annealing device, it is characterized in that: on described central shaft (12), be also set with two lifting axle sleeves (23), described two lifting axle sleeves (23) lay respectively between the caliper body of every pair of pincerlike clamping device, and a clip (24) is also equipped with respectively at the two ends of described central shaft (12); On described lifting axle sleeve (23) and clip (24), be all fitted with keeper (21).
11. rail induction butt welding according to claim 1 and annealing devices; it is characterized in that: first electrode (19-1) of described electrode structure (19) and the second electrode (19-2) connect respectively the output of induction heating power, conducting copper (22) is intersected and is fixed between the first electrode (19-1) and the second electrode (19-2) by heat resistance insulating sheet (27); There is the first, the 5th coil contact (8-1,8-5) upper end of the subcoil (8-a) in two subcoils (8-a, 8-b) of load coil (8), there is the second, the 6th coil contact (8-2,8-6) bottom, there is the 4th, the 8th coil contact (8-4,8-8) upper end of another subcoil (8-b), and there is the 3rd, the 7th coil contact (8-3,8-7) bottom.
12. rail induction butt welding according to claim 1 and annealing devices; it is characterized in that: first electrode (19-1) of described electrode structure (19) and the second electrode (19-2) connect respectively the output of induction heating power, between the first electrode (19-1) and the second electrode (19-2), heat resistance insulating sheet (27) is housed; There is respectively first, second coil contact (8-1,8-2) in the upper and lower end portion of the subcoil (8-a) in two subcoils (8-a, 8-b) of load coil (8), and the upper and lower end portion of another subcoil (8-b) has respectively the 4th, tertiary coil contact (8-4,8-3).
CN201320604331.7U 2013-09-29 2013-09-29 Steel rail induction butt welding and heat treating device Withdrawn - After Issue CN203495407U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495800A (en) * 2013-09-29 2014-01-08 常州市瑞泰工程机械有限公司 Steel rail induction butt welding and heat treatment device
GB2530264A (en) * 2014-09-16 2016-03-23 Network Rail Infrastructure Ltd Welding rails
CN107775342A (en) * 2017-11-22 2018-03-09 中国铁道科学研究院金属及化学研究所 For rail flash welding and the hydraulic system and hydraulic control method of induction heat treatment all-in-one
CN109182674A (en) * 2018-11-06 2019-01-11 中铁宝桥集团有限公司 A kind of open-close type rail flash welding connector normalizing induction coil
CN109794647A (en) * 2019-03-19 2019-05-24 西南交通大学 The fixation flash welder automatic pressure-maintaining Tui Liu mechanism of celectome is pushed away equipped with segmented
CN113774197A (en) * 2021-09-18 2021-12-10 华纳创新(苏州)先进制造有限公司 Induction coil positioning and centering device and normalizing equipment comprising same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495800A (en) * 2013-09-29 2014-01-08 常州市瑞泰工程机械有限公司 Steel rail induction butt welding and heat treatment device
GB2530264A (en) * 2014-09-16 2016-03-23 Network Rail Infrastructure Ltd Welding rails
GB2530264B (en) * 2014-09-16 2016-08-03 Network Rail Infrastructure Ltd Welding rails
CN107775342A (en) * 2017-11-22 2018-03-09 中国铁道科学研究院金属及化学研究所 For rail flash welding and the hydraulic system and hydraulic control method of induction heat treatment all-in-one
CN107775342B (en) * 2017-11-22 2024-02-23 中国铁道科学研究院金属及化学研究所 Hydraulic system and hydraulic control method for steel rail flash welding and induction heat treatment integrated machine
CN109182674A (en) * 2018-11-06 2019-01-11 中铁宝桥集团有限公司 A kind of open-close type rail flash welding connector normalizing induction coil
CN109182674B (en) * 2018-11-06 2023-12-29 中铁宝桥集团有限公司 The method comprises the following steps of: open-close type Steel rail flash normalizing of welded joint Induction coil
CN109794647A (en) * 2019-03-19 2019-05-24 西南交通大学 The fixation flash welder automatic pressure-maintaining Tui Liu mechanism of celectome is pushed away equipped with segmented
CN113774197A (en) * 2021-09-18 2021-12-10 华纳创新(苏州)先进制造有限公司 Induction coil positioning and centering device and normalizing equipment comprising same

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