CN207824160U - A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine - Google Patents
A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine Download PDFInfo
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- CN207824160U CN207824160U CN201721354981.5U CN201721354981U CN207824160U CN 207824160 U CN207824160 U CN 207824160U CN 201721354981 U CN201721354981 U CN 201721354981U CN 207824160 U CN207824160 U CN 207824160U
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Abstract
The application provides a kind of quick pressurize and pushes away convex DC railway rail flash butt welding machine, including frame (100), moving frame (200), quiet frame (300), web of the rail clamping device (400), vertical electrode clamp system (500), rail level(l)ing mechanism (600) and steel rail weld joint weld seam shearing machine structure (700).Convex DC railway rail flash butt welding machine is pushed away by a kind of quick pressurize of the utility model so that when welding upset, connector bearing up-down force is uniform, and moment of flexure caused by eliminating upset ensures that the glacing flatness of WELDING JOINT；Convex oil cylinder is pushed away by utility model independence weld seam shearing machine structure and using special, connector is realized and vertically and horizontally pushes away convex under displacement locking (connector pressurize) state, avoid the generation of high temperature lower contact pulled condition；Pass through the steel rail web connecting rod clamping device of utility model so that steel rail web clamping efficiency further increases, and it is possible to adjust clamping force by adjusting link angle.
Description
Technical field
The utility model is related to rail welding field in railway systems, especially a kind of quick pressurize pushes away convex DC railway
Rail flash butt welding machine.
Background technology
Rail used in current track traffic is all that will be routed on circuit after scale Long rail welding that steel mill produces,
To constitute gapless track.The most important method of rail welding is dodged using the fixed steel rail that efficient and joint quality is stablized
Flush weld equipment carrys out welded rails, to obtain the welding point of reliable in quality.
A kind of fixed steel rail flash of light soldering equipment of known chassis connection, is shown in United States Patent (USP) US 5270514, main
Feature is that the moving frame track of welding machine is set to moving frame bottom, and rail to be welded, in the top of track, moving frame is in quiet frame upper end
Open state.The discontinuity of rack when the structural disadvantages of this kind of welding machine are to weld upset, bottom of the frame can bear larger
Moment of flexure, when deform aggravate when, the welding point of rail can be made upper doming effect occur.On the other hand, welding machine is not dedicated
Push away convex oil cylinder, cannot achieve precious pressure push away it is convex.Again due to no independent rail clamping and electrode clamping, camber tune can not be carried out
Section, therefore, the range of application is relatively limited.
A kind of patent (the Chinese patent of the fixed steel rail flash of light soldering equipment of known horizontal girder connection
98105796.9) it is to be developed by electric welding research institute of Ukraine bar.The characteristics of welding machine is moving frame and quiet frame is by two
The axis of horizontal direction is connected with each other, and a transformer, the primary and the source of welding current of transformer are placed respectively up and down in quiet frame side
The replacement end of connection, the other end and rail connects, and rail both ends generate spark by contact and heat rail-end, and heating is completed
Upset is carried out afterwards and is pushed away convex.Since this is a kind of welding machine using AC welding power source, mechanism and the utility model exist compared with
Big difference.The shortcomings that this welding machine is：1) the rail centering mode of the welding machine is too simple, can not carry out the setting of pre- arch amount,
Be difficult to realize rail head side of rail working edge to just；2) rail is can not achieve to complete in quiet frame and moving frame clamping rail
It pushes away convex (deburring), or is pressure-maintaining tumor pushing；3) further drawback is three-phase imbalance (three-phase current amplitude is inconsistent), due to handing over
It can only be single-phase use to flow welding transformer, therefore have a phase current larger, in addition two phase load very littles, to the impact of net electricity compared with
It is serious；4) it since upper and lower twin-spar construction is respectively positioned on rail line of symmetry or more, when practical rail-end disalignment formula, is welding
Under the action of connecing upset force, the additional bending moment of horizontal direction is will produce, since the effect of the structure bending resistance is poor, is easy out
The phenomenon that existing welding point horizontal curvature.
A kind of patent (Chinese patent CN100396421C) of the fixed steel rail flash of light soldering equipment of known frame connection
It is China Academy of Railways Sciences research and development, compared with above-mentioned utility model, moving frame and quiet frame use three axis connection modes, not only
The stability of rack increases, meanwhile, anti-upset bending property improves, and rail centring property makes moderate progress, but due to belonging to
AC welding, also no pressurize push away convex, and there are bigger differences with the utility model for overall performance.
The flash welding machine for fixed steel rail of known another kind frame connection is Shi Late companies of Switzerland utility model (Europe
Patent EP0499019B1), the agent structure of this welding machine is clamped by frame, quiet frame, moving frame, electrode, rail, connector push away it is convex and right
Middle part is grouped as.It is mainly characterized by rail electrode and clamps using Polyfunctional lever articulated structure, and advantage is electrode clamping side
To be vertical, and clamping cylinder is placed in the horizontal direction.But the shortcomings that structure, is that lever articulated structure is excessively complicated,
Multiple connecting axle structure makes reliability decrease, maintenance and repair very difficult；The centering body of rail uses four arm configurations,
The centering that mechanical setting rail head of rail bilateral working edge position can be achieved is adjusted.The disadvantage is that, using machinery setting working edge
The method of alignment is complex, and precision is also relatively limited, therefore, also needs to carry out in actual use smart to completing by hand.Separately
Outside, since intermediate two aligning arms are in the circuit of welding electrode, ferromagnetic material therein is easy to be magnetized；Steel rail web presss from both sides
Mode is directly tightly reinforced using oil cylinder, clamping force can not be adjusted by mechanical means；Pushing convex knife is located at the outside of electrode welder, weldering
After the completion of connecing, it is necessary first to unclamp aligning arm and electrode respectively, then close up pushing convex knife, pass through electrode, overlap is pushed away
Fall.Since the electrode of rail at this time has unclamped, vertical direction is possible without pressurize, and therefore, connector is only in level when pushing away convex
The web of the rail clamps packing state.But unclamped in place due to pushing away convex waiting aligning arm and electrode, then pushing convex knife is reached across electrode
Protrusion position is pushed away, the time needs 15s or more, and the time is longer, and connector temperature declines more when pushing away convex, pushes away rail welding in convex process and connects
Head easy tos produce tiny flaw.
Utility model content
To overcome existing defect, convex DC railway rail flash butt welding is pushed away the utility model proposes a kind of quick pressurize
Machine.
A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine, including the clamping of frame, moving frame, quiet frame, the web of the rail
Mechanism, vertical electrode clamp system, rail level(l)ing mechanism and steel rail weld joint weld seam shearing machine structure, the quiet frame are fixedly connected
In in frame, first level slideway is arranged in moving frame side upper end；The second horizontal slide, the first water is arranged in moving frame side lower end
Smooth road passes through the first upset oil cylinder connection framework；Second horizontal slide passes through the second upset oil cylinder connection framework.
The first vertical platform sling is arranged in moving frame side；The second vertical platform sling, the first vertical platform sling and the is arranged in the moving frame other side
Two vertical platform slings are separately connected frame.
Framework upper is two square tubes, and every square tube is respectively welded two pairs of risers, weld horizontal pipe between each pair of riser,
A rectangular square hole is arranged close to moving frame one end in the square tube, and bolt block, the first vertical platform sling upper end and spiral shell is arranged in square hole
Bolt seat insulation bolt.
Lower frame is made of two foundation beams, installs four wheel seats for welding machine walking below bottom girder both ends respectively, often
One traveling wheel is installed, wheel seat is connect on the outside of bottom girder by two slot holes, lower frame one end, connects longitudinal water on a wheel seat
Flat welding machine walking oil cylinder, the other end of welding machine walking oil cylinder are fixedly connected with the ground.
Vertical electrode clamp system is installed in moving frame side, and two oil are respectively set in vertical electrode clamp system upper and lower ends
Web of the rail clamping device is arranged in cylinder, the moving frame other side, and vertical electrode clamp system is pacified with web of the rail clamping device middle part in the moving frame
Fill welding point weld seam shearing machine structure, moving frame web of the rail clamping side upper and lower side respectively with the first upset oil cylinder and the second upset oil cylinder
Piston rod is hinged.
Vertical electrode clamp system is set on the inside of quiet frame, and two oil cylinders, the vertical electricity in quiet frame is respectively set in upper and lower ends
Erecting and welding transformer and rectification module in the middle part of the horizontal clamping device of pole clamp system and steel rail web, wherein transformer and whole
Flow module is divided into two parts, the electrode after rectification up and down and is connected respectively at the upper/lower electrode of rail.
In web of the rail clamping device, axis is set in the middle part of clamping limb, axis is connect with moving frame, quiet frame pedestal, one end of clamping limb and
Clamp linkage connects, and the clamping limb other end is connect with web of the rail gripping block；The work of the other end and web of the rail clamping cylinder of clamp linkage
Stopper rod connects, wherein the web of the rail clamping cylinder housing on the web of the rail clamping cylinder other end is connect with moving frame, quiet frame pedestal.
In vertical electrode clamp system, clamp system side is moving frame electrode, and the other side is quiet frame electrode, moving frame electrode one
The first rail top clip locking oil cylinder and rail top positional cylinder is arranged in side, wherein the thrust of moving frame flange of rail clamping cylinder is less than rail top oil cylinder；
The second rail top clip locking oil cylinder and rail top positioning bolt is arranged in quiet frame electrode side.
Rail level(l)ing mechanism is set in the middle part of quiet frame and moving frame, wherein level(l)ing mechanism pedestal and moving frame, quiet frame
It is fixedly connected；In level(l)ing mechanism, horizontal centring arm lift ram is flexible to drive horizontal centring upper-arm circumference around aligning arm rotation axis
Rotation, centering clamping cylinder is flexible so that centering clamp arm drives the first rail head folder around the asessory shaft rotation of aligning arm rotation axis
Tight point and the movement of the second rail head clamping point；Horizontal centring adjusts oil cylinder and stretches, and centering regulating arm is driven to surround aligning arm rotation axis
Rotation, the auxiliary axis connection of the horizontal centring arm and aligning arm rotation axis, wherein the asessory shaft of aligning arm rotation axis and centering
Arm rotation axis is eccentric design, wherein horizontal position recording mechanism is installed on horizontal centring arm.
Welding point weld seam shearing machine structure includes hanger, pushing convex knife frame, pushing convex knife arm, pushing convex knife, pushing convex knife clamping cylinder and pushes away
Horizontal longitudinal axis is fixed in convex oil cylinder, the hanger lower end, and two bearing bracket stands and horizontal longitudinal axis is arranged in pushing convex knife frame upper end
Connection, pushing convex knife frame is interior to be arranged two pushing convex knife arms being symmetrically installed, and is connect with pushing convex knife frame by the axis of vertical direction, pushes away
Pushing convex knife is installed in convex tool arm one end, and the other end is connect with pushing convex knife clamping cylinder piston rod, pushes away convex cylinder piston rod and pushing convex knife
Frame is hinged.
Convex DC railway rail flash butt welding machine is pushed away by a kind of quick pressurize of the utility model, by directly vertical
Oil cylinder clamping structure realizes that the rail electrode of vertical oil cylinder structure of hydraulic clamps, simplifies electrode clamping structure, improve welding machine
Reliability, while being also convenient for repair；By Novel horizontal centering arm system, while using centering clamping, horizontal-clamping movement
With the mode of setting horizontal position information network analysis, the bilateral working edge alignment of rail head is realized；By researching and developing band mechan-amplifier knot
The steel rail web clamping system of structure realizes the adjusting of rail clamping force, and the adjusting of clamping alignment；Before utility model
Pushing convex knife structure is set, pushing convex knife is positioned on the inside of electrode, can directly carry out pushing away convex after the completion of welding upset, time interval can contract
Within as low as 5s, rail is in vertically and horizontally clamped condition, push away it is convex after connector inherent quality increase, it is microcosmic to prevent
The generation of defect creates condition；Connection type is swung along horizontal slide or arm by utility model moving frame and quiet frame, is made
Frame movement is more steady and antitorque, realizes accurate positioning and connector smooth-going.
Description of the drawings
Fig. 1 is steel rail flash welding machine slideway moving frame circuit theory schematic diagram.
Fig. 2 is steel rail flash welding machine platform sling moving frame circuit theory schematic diagram.
Fig. 3 is web of the rail clamping device schematic diagram.
Fig. 4 is vertical electrode clamp system schematic diagram.
Fig. 5 is rail level(l)ing mechanism schematic diagram.
Fig. 6 is steel rail weld joint weld seam shearing machine structure schematic diagram.
Specific implementation mode
Convex DC railway is pushed away to a kind of quick pressurize provided by the utility model in the following with reference to the drawings and specific embodiments
Rail flash butt welding machine row is described in detail.
Fig. 1 and Fig. 2 shows it includes frame 100, moving frame that a kind of quick pressurize, which pushes away convex DC railway rail flash butt welding machine,
200, quiet frame 300, web of the rail clamping device 400, vertical electrode clamp system 500, rail level(l)ing mechanism 600 and rail welding
Connector weld seam shearing machine structure 700.Frame 100 is fixedly connected with quiet frame 300, and moving frame 200 is connect with frame 100 there are two types of optional form,
First, the horizontal slide 111 by one group of insulation is connected with 112, as shown in Figure 1, moving frame 200 passes through 111 He of horizontal slide
112, can relative motion be generated with quiet frame 300 in the horizontal direction；Second is that the vertical platform sling 121 by insulation is connected with 122
It connects, as shown in Fig. 2, moving frame 200 is bent by platform sling 121 and 122, opposite fortune can be generated with quiet frame 300 in the horizontal direction
It is dynamic.Moving frame 200 is connected with frame 100 by upset oil cylinder 131 and 132, the extension and contraction control moving frame of upset oil cylinder 131 and 132
200 with the shift length of quiet frame 300, to drive rail to generate relative motion or realize upset.
100 top of frame is made of two square tubes, and every square tube is respectively welded two pairs of risers 151, each pair of riser 151 it
Between 152 square tube of weld horizontal pipe close to moving frame one end there are one slot 123, have bolt block in square hole, platform sling upper end with
Bolt block insulation bolt, the moving frame after connection can be along horizontal direction short-distance movement.100 lower part of frame is by two foundation beam groups
At bottom girder both ends lower section is separately installed with four wheel seats 140 for welding machine walking, and a traveling wheel is installed on each wheel seat
141, wheel seat is connect on the outside of bottom girder by two slot holes, and the height of wheel can be adjusted by bolt and long hole site.In frame
100 lower end thereofs, connect the welding machine walking oil cylinder 160 of a vertical equity, and the other end of welding machine walking oil cylinder 160 and ground are solid
Fixed connection can drive welding machine longitudinally to walk along rail when welding machine walking oil cylinder 160 is flexible.
The electrode side of moving frame 200 is equipped with vertical electrode clamp system 500, and there are two oil cylinders respectively for upper and lower ends, use
To clamp rail and conduction.200 other side of moving frame is web of the rail clamping device 400, to clamp rail so that rail arbitrary-movement articulator is same
Step movement.The middle part of the horizontal clamping device of vertical electrode clamp system 500 in moving frame 200 and steel rail web 400 is mounted with
Welding point weld seam shearing machine structure 700, pushing convex knife are located at electrode front end, can directly be pushed away after the completion of welding convex (deburring), without upper
Lower electrode is opened.It is hinged with upset oil cylinder 131 and 132 piston rods respectively that 200 web of the rail of moving frame is clamped side upper and lower side, moving frame with
Oil cylinder is flexible to be moved horizontally.
Equally, 300 electrode side of quiet frame is equipped with vertical electrode clamp system 500, upper and lower ends respectively there are two oil cylinder,
To clamp rail and conduction.200 other side of moving frame is web of the rail clamping device 400, to clamp rail so that rail is with quiet frame
Synchronize fixation.It installs at the middle part of the horizontal clamping device of vertical electrode clamp system 500 in quiet frame 300 and steel rail web 400
There are welding transformer and rectification module 1100, transformer and rectification module to be divided into two parts up and down, the electrode point after rectification
It is not connected at the upper/lower electrode of rail.Have platform sling pedestal in the middle part of quiet frame electrode tip, in the middle part of long platform sling insulation it is fixed at this.
The horizontal clamping device schematic diagram of the web of the rail is as shown in Figure 3.The axis 431 and quiet frame or moving frame pedestal at 430 middle part of clamping limb
Connection, one end of clamping limb 430 are connect with clamp linkage 440, and the other end is connect with web of the rail gripping block 432.Clamp linkage 440
The other end connect with the piston rod 413 of web of the rail clamping cylinder 410, web of the rail clamping cylinder housing 412 also with quiet frame or moving frame base
Seat connection.When web of the rail clamping cylinder 410 extends, clamp linkage 440 is driven to rotate so that the angle of two clamp linkages increases, and
Clamping limb 430 is pushed to rotate so that web of the rail gripping block 432 clamps rail, since mechan-amplifier acts on, steel rail web clamping force
Make three times of cylinder thrust, and by adjusting the angle of two clamp linkages, the size of rail clamping force can be adjusted.
As shown in figure 4, electrode vertical clamping structural scheme of mechanism is as shown in figure 4, the right is one lateral electrode of moving frame, the left side in figure
Side is one lateral electrode of quiet frame.Upper right oil cylinder is divided into rail top clip locking oil cylinder 531 and rail top positional cylinder 532, rail top clip locking oil cylinder
Driving vertical axis 521 to move downward makes the electrode of moving frame side reach rail top of steel rail, can be adjusted with top positional cylinder 532
The required height and position of electrode.The thrust of moving frame flange of rail clamping cylinder 550 is less than rail top oil cylinder, and such flange of rail oil cylinder clamps steel
Range cannot be reached after rail, in this way, oil cylinder stroke above can play positioning action, meanwhile, expansion rail top positioning oil
Cylinder 532, so that it may to adjust the high and low position of rail head.Upper left oil cylinder is divided into rail top clip locking oil cylinder 541 and rail top positioning bolt 542,
Equally, rail top clip locking oil cylinder drives vertical axis 521 to move downward and makes the electrode of quiet frame side reach rail top of steel rail, determined with rail top
Position bolt 542 can pre-adjust the required height and position of electrode before weldering, can be positioned by buffer rail top to rail before weldering
Oil cylinder 532 realizes final adjusting when welding.
Rail horizontal centring regulating mechanism 600 is as shown in Figure 5.Rail horizontal centring regulating mechanism 600 is respectively arranged in quiet
Frame and moving frame are close to electrode side, as shown in Fig. 2, the pedestal 610 of wherein centering regulating mechanism is fixedly connected with quiet frame and moving frame.
Horizontal centring arm lift ram 625 is flexible to drive horizontal centring arm 620 to be rotated around aligning arm rotation axis 632, as a result, right
Middle arm 620 lifts or is positioned over rail top around rail head of rail.Centering clamping cylinder 621 is flexible so that centering clamp arm 622 surrounds
The asessory shaft rotation of aligning arm rotation axis 632 drives rail head clamping point 623 and 624 to draw close or separate, and effect is by rail rail
Head centering clamp or release.Horizontal centring adjusts oil cylinder 631 and stretches, and centering regulating arm 633 is driven to surround aligning arm rotation axis 632
Rotation, since horizontal centring arm 620 is the auxiliary axis connection with aligning arm rotation axis 632, and aligning arm rotation axis 632
Asessory shaft and aligning arm rotation axis 632 are eccentric designs, and therefore, it is right that effect is that centering adjusts the drive level of stretching of oil cylinder 631
Middle arm 620 moves in a generally horizontal direction, to achieve the effect that Level tune.It is synchronized on horizontal centring arm 620 and water is installed
Prosposition sets recording mechanism, and therefore, the absolute address of horizontal displacement can be recorded effectively.
Steel rail weld joint weld seam shearing machine structure 700 as shown in FIG. 6, steel rail weld joint weld seam shearing machine structure 700 by hanger 710,
Pushing convex knife frame 720, pushing convex knife arm 730, pushing convex knife 732, pushing convex knife clamping cylinder 740 and push away convex oil cylinder 750 composition.Hanger 710
A horizontal longitudinal axis 721 is fixed in lower end, and 720 upper end of pushing convex knife frame connect with horizontal longitudinal axis 721 there are two bearing bracket stand, pushes away convex
Knife rest 720 can be along horizontal longitudinally-moving.There are two the pushing convex knife arms 730 being symmetrically installed in pushing convex knife frame, by vertical
The axis in direction is connect with pushing convex knife frame 720, and 730 one end of pushing convex knife arm is equipped with pushing convex knife 732, and the other end clamps oil with pushing convex knife
740 piston rod of cylinder connects, and pushing convex knife clamping cylinder 740 is flexible to drive pushing convex knife arm 730 to open or be closed.Push away the work of convex oil cylinder 750
Stopper rod is hinged with pushing convex knife frame 720, pushes away the flexible drive pushing convex knife frame 730 of convex oil cylinder and pushing convex knife 732 is horizontal longitudinal along welding machine
It is mobile, when pushing convex knife is by welding point raised position, overlap is cut off.
Embodiment
In actual operation, rail enters welding machine, rail position to be welded difference by raceway from moving frame side before welding
Into moving frame and quiet frame electrode side.At this point, in order to which rail position to be welded is aligned electrode medium position, need to start welding machine
Walking oil cylinder 160, drive track of the welding machine on ground longitudinally to walk, until rail position to be welded is aligned in dynamic and static frame
Position.Since rail is in the middle part of welding machine or more longeron, rail generates horizontal and vertical moment of flexure component when welding stress
It is minimum, very little is influenced for paying for connector glacing flatness.
Then, start the arch camber wheel oil cylinder 220 and 320 and rail top clip locking oil cylinder 531 and 541 at welding machine both ends so that steel
Rail rail top is in contact with top electrode, meanwhile, the rail height in welding machine both ends reaches pre- arch and requires numerical value, at this point, starting steel
Horizontal centring arm lift ram 625 in rail level(l)ing mechanism 600, horizontal centring arm is put down, and is then started centering and is clamped
Oil cylinder 621 so that rail head of rail is in clamp position.Since rail head of rail method of clamping is centering clamping, i.e. 623 He of contact
624 move to center simultaneously, and therefore, clamping nature is in middle position.After the completion of level clamping, if gage line has mismatch,
The horizontal centring then started in moving frame or quiet frame one end level(l)ing mechanism 600 adjusts oil cylinder 631, by rail head of rail working edge pair
Together.After the completion of horizontal alignment, start moving frame flange of rail clamping cylinder 550 and quiet frame rail bottom clamping cylinder 560, rail is pressed from both sides up and down
Tightly, be not in move up and down problem when clamping up and down since electrode upper cylinder thrust is more than following oil cylinder.Start weldering
Web of the rail clamping cylinder 410 in the web of the rail clamp system 400 at machine both ends makes it that clamp linkage 440 be pushed to change rotational angle, by
It is connect with clamping limb 430 in the other end of clamp linkage 440, therefore, drives clamping limb 430 to be rotated around axis 431, cause to press from both sides
The web of the rail gripping block 432 of the gripping arm other end is mutually drawn close, to clamp rail to be welded.Due to the folder between clamp linkage 440
Angle has an impact chucking power size, and when angle increases, chucking power also accordingly increases, for this purpose, selecting claming angle appropriate i.e.
Adjustable rail chucking power.In addition, 413 front end of piston rod of web of the rail clamping cylinder 410 passes through 414 axle sleeve of oil cylinder guide pad, because
This, can bear the moiety by weight of web of the rail clamping cylinder 410 and clamp linkage 440, meanwhile, 414 axle sleeve of oil cylinder guide pad can be with
It being adjusted in the horizontal direction into line displacement around welding machine median plane so that the bite of steel rail web is laterally adjusted, in this way,
The centering that welding machine both ends web of the rail bite may be implemented is adjusted.Up and down and the rail after web of the rail clamping, if there is upper and lower mismatch,
Then start rail top positional cylinder 532, the rail that oil cylinder shortens then moving frame side moves up, and oil cylinder extends the steel of then moving frame side
Rail moves down, and is adjusted to that centering can be completed after rail head top surface is also aligned.The adjusting of rail joint camber is to utilize welding machine
The horizontal position recording mechanism at both ends measures rail head position height, is calculated with rail head of rail difference in height at electrode, quiet frame side
Camber is to complete to adjust by the rail top positioning bolt 542 on rail top clip locking oil cylinder 541, and moving frame side is then to pass through buffer rail
Rail top positional cylinder 532 on top clip locking oil cylinder 531 is completed to adjust.It clamps rail and completes then carry out steel after centering is adjusted
Rail welds.
After electrode is powered, rail both ends are in different potentials, at this point, since rail both ends are respectively by the electricity of moving frame and quiet frame
Pole vertical clamping mechanism 500 and the horizontal clamping device 400 of the web of the rail clamp, and when upset oil cylinder 131 and 132 is flexible, drive moving frame 200
When mobile, it will make welded rails contact with each other to generate flash of light and heating.Group flashing light is completed first, then completes preheating
Then flash of light carries out group flashing light and upset again.After the completion of upset, welding machine is also in electrode vertical clamping mechanism 500 and rail
Horizontal 400 clamp position of clamping device of waist, steel rail weld joint is also under lock-out state, at this point, starting weld seam shearing machine structure 700
In push away convex oil cylinder 750 so that pushing convex knife frame 720 drive pushing convex knife 732 along rail vertically move, when pushing convex knife 732 passes through weldering
After the upset projection portion of connector, just overlap is bulldozed.Since the pushing convex knife of utility model welding machine is placed in welding machine moving frame 200
Between the electrode of quiet frame 300, (avoiding pushing convex knife) is opened without the electrode of moving frame side when pushing away convex, therefore, is completed from upset
Can be completed within 5s to the time for pushing away convex progress, the temperature of welding point is very high at this time, and plasticity is good, to push away it is convex caused by
It is shear-deformable to have good ability to bear, greatly reduce the generation probability for pushing away convex caused overheated zone micro-crack.On the other hand,
Rail is vertically and horizontally in lock-out state to connector at high operating temperatures, therefore, connector high temperature and intensity it is relatively low
In the state of not will receive stretching action, joint quality has obtained good guarantee.
Convex DC railway rail flash butt welding machine is pushed away by the quick pressurize of the utility model so that when welding upset,
Connector bearing up-down force is uniform, and moment of flexure caused by eliminating upset ensures that the glacing flatness of WELDING JOINT；Pass through practicality
Novel independent weld seam shearing machine structure and convex oil cylinder is pushed away using special, realizes connector vertically and horizontally displacement locking (connector pressurize) shape
Pushing away under state is convex, avoids the generation of high temperature lower contact pulled condition；By the steel rail web connecting rod clamping device of utility model,
So that steel rail web clamping efficiency further increases, and it is possible to adjust clamping force by adjusting link angle；Pass through practicality
Novel electrode vertical clamping mechanism, simplifies structure, improves to rail precision and structural reliability；Pass through utility model level
Centering body determines physical location absolute address using horizontal position recording mechanism, realizes the high-precision centering on double work side, have
Effect solves the gap error of mechanical limit switch centering generation；It is preposition by utility model pushing convex knife, it realizes welding and completes
It pushes away convex, reduces after upset to pushing away the convex stand-by period, connector pushes away the raising of convex temperature, reduces flange of rail overheated zone and goes out at once afterwards
The probability of existing micro-crack.
Finally it should be noted that above example only to the technical solution of the utility model is described rather than to this technology
Method is limited, and the utility model can above extend to other modifications, variation, application and embodiment in application, and because
This thinks all such modification, variation, application, embodiments all within the scope of the spirit or teaching of the utility model.
Claims (10)
1. a kind of quick pressurize pushes away convex DC railway rail flash butt welding machine, including frame (100), moving frame (200), quiet frame
(300), web of the rail clamping device (400), vertical electrode clamp system (500), rail level(l)ing mechanism (600) and rail welding
Connector weld seam shearing machine structure (700), which is characterized in that the quiet frame (300) is fixedly connected in frame (100), the moving frame (200)
First level slideway (111) is arranged in side upper end；The second horizontal slide (112), first level is arranged in moving frame (200) side lower end
Slideway (111) passes through first upset oil cylinder (131) connection framework (100)；Second horizontal slide (112) passes through the second upset oil cylinder
(132) connection framework (100).
2. quick pressurize according to claim 1 pushes away convex DC railway rail flash butt welding machine, which is characterized in that described
The first vertical platform sling (121) is arranged in moving frame (200) side；The second vertical platform sling (122) of moving frame (200) other side setting, first
Vertical platform sling (121) and the second vertical platform sling (122) are separately connected frame (100).
3. quick pressurize according to claim 1 or 2 pushes away convex DC railway rail flash butt welding machine, which is characterized in that
Frame (100) top is two square tubes, and every square tube is respectively welded two pairs of risers (151), is welded between each pair of riser (151)
Horizontal pipe (152) is connect, a rectangular square hole (123) is arranged close to moving frame (200) one end in the square tube, and square hole (123) is interior
Bolt block is set, and the first vertical platform sling (121) upper end is bolted with bolt block insulation.
4. quick pressurize according to claim 1 pushes away convex DC railway rail flash butt welding machine, which is characterized in that described
Frame (100) lower part is made of two foundation beams, installs four wheel seats (140) for welding machine walking below bottom girder both ends respectively,
One traveling wheel (141) is installed, wheel seat (140) is connect on the outside of bottom girder by two slot holes, frame on each wheel seat (140)
(100) lower end thereof connects the welding machine walking oil cylinder (160) of vertical equity, the other end of welding machine walking oil cylinder (160) and ground
It is fixedly connected.
5. quick pressurize according to claim 1 pushes away convex DC railway rail flash butt welding machine, which is characterized in that described
Vertical electrode clamp system (500) is installed in moving frame (200) side, and vertical electrode clamp system (500) upper and lower ends are respectively set
Web of the rail clamping device (400) is arranged in two oil cylinders, moving frame (200) other side, vertical electrode clamp system in the moving frame (200)
(500) and in the middle part of web of the rail clamping device (400) erecting and welding connector weld seam shearing machine structure (700), moving frame (200) web of the rail are clamped one
Side upper and lower side is hinged with the first upset oil cylinder (131) and second upset oil cylinder (132) piston rod respectively.
6. quick pressurize pushes away convex DC railway rail flash butt welding machine according to claim 1 or 5, which is characterized in that
Two oil cylinders, quiet frame (300) is respectively set in setting vertical electrode clamp system (500), upper and lower ends on the inside of the quiet frame (300)
In vertical electrode clamp system (500) and the horizontal clamping device of steel rail web (400) in the middle part of erecting and welding transformer and rectification
Module (1100), wherein transformer and rectification module are divided into two parts, the electrode after rectification up and down and are connected respectively to rail
At upper/lower electrode.
7. quick pressurize pushes away convex DC railway rail flash butt welding machine according to claim 1 or 5, which is characterized in that
In the web of the rail clamping device (400), setting axis (431), axis (431) and moving frame (200), quiet frame in the middle part of clamping limb (430)
(300) pedestal connects, and one end of clamping limb (430) is connect with clamp linkage (440), and clamping limb (430) other end is pressed from both sides with the web of the rail
Tight block (432) connection；The other end of clamp linkage (440) is connect with the piston rod (413) of web of the rail clamping cylinder (410), wherein
Web of the rail clamping cylinder housing (412) on web of the rail clamping cylinder (410) other end connects with moving frame (200), quiet frame (300) pedestal
It connects.
8. quick pressurize pushes away convex DC railway rail flash butt welding machine according to claim 1 or 5, which is characterized in that
In the vertical electrode clamp system (500), clamp system (500) side is moving frame (200) electrode, and the other side is quiet frame
(300) the first rail top clip locking oil cylinder (531) and rail top positional cylinder (532) is arranged in electrode, moving frame (200) electrode side, wherein
The thrust of moving frame flange of rail clamping cylinder (550) is less than rail top oil cylinder；The second rail top clip locking oil cylinder is arranged in quiet frame (300) electrode side
(541) and rail top positioning bolt (542).
9. quick pressurize according to claim 1 pushes away convex DC railway rail flash butt welding machine, which is characterized in that described
Rail level(l)ing mechanism (600) is set in the middle part of quiet frame (300) and moving frame (200), wherein level(l)ing mechanism (600) bottom
Seat (610) is fixedly connected with moving frame (200), quiet frame (300) respectively；In level(l)ing mechanism (600), horizontal centring arm rises and falls oil
Cylinder (625) is flexible to drive horizontal centring arm (620) to be rotated around aligning arm rotation axis (632), and centering clamping cylinder (621) is flexible
So that centering clamp arm (622) around aligning arm rotation axis (632) asessory shaft rotation drive the first rail head clamping point (623) and
Second rail head clamping point (624) moves；Horizontal centring adjusts oil cylinder (631) and stretches, and centering regulating arm (633) is driven to surround centering
Arm rotation axis (632) rotates, the auxiliary axis connection of the horizontal centring arm (620) and aligning arm rotation axis (632), wherein right
The asessory shaft of middle arm rotation axis (632) and aligning arm rotation axis (632) are eccentric designs, wherein horizontal centring arm is pacified on (620)
Fill horizontal position recording mechanism.
10. quick pressurize according to claim 1 pushes away convex DC railway rail flash butt welding machine, which is characterized in that institute
State welding point weld seam shearing machine structure (700) include hanger (710), pushing convex knife frame (720), pushing convex knife arm (730), pushing convex knife (732),
Pushing convex knife clamping cylinder (740) and convex oil cylinder (750) is pushed away, horizontal longitudinal axis (721) is fixed in hanger (710) lower end, described
Pushing convex knife frame (720) upper end is arranged two bearing bracket stands and is connect with horizontal longitudinal axis (721), setting two in pushing convex knife frame (720)
The pushing convex knife arm (730) being symmetrically installed, and connect with pushing convex knife frame (720) by the axis of vertical direction, pushing convex knife arm (730) one
End installation pushing convex knife (732), the other end connect with pushing convex knife clamping cylinder (740) piston rod, push away convex oil cylinder (750) piston rod and
Pushing convex knife frame (720) is hinged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354981.5U CN207824160U (en) | 2017-10-20 | 2017-10-20 | A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721354981.5U CN207824160U (en) | 2017-10-20 | 2017-10-20 | A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671403A (en) * | 2017-10-20 | 2018-02-09 | 中国铁道科学研究院金属及化学研究所 | A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine |
| CN113529502A (en) * | 2021-07-15 | 2021-10-22 | 中铁十二局集团电气化工程有限公司 | Subway guide rail is laid with correcting auxiliary device |
-
2017
- 2017-10-20 CN CN201721354981.5U patent/CN207824160U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671403A (en) * | 2017-10-20 | 2018-02-09 | 中国铁道科学研究院金属及化学研究所 | A kind of quick pressurize pushes away convex DC railway rail flash butt welding machine |
| CN113529502A (en) * | 2021-07-15 | 2021-10-22 | 中铁十二局集团电气化工程有限公司 | Subway guide rail is laid with correcting auxiliary device |
| CN113529502B (en) * | 2021-07-15 | 2022-12-27 | 中铁十二局集团电气化工程有限公司 | Subway guide rail is laid with correcting auxiliary device |
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