CN103042294A - Direct current welder - Google Patents
Direct current welder Download PDFInfo
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- CN103042294A CN103042294A CN2011103118232A CN201110311823A CN103042294A CN 103042294 A CN103042294 A CN 103042294A CN 2011103118232 A CN2011103118232 A CN 2011103118232A CN 201110311823 A CN201110311823 A CN 201110311823A CN 103042294 A CN103042294 A CN 103042294A
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- 238000003466 welding Methods 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims description 75
- 238000009413 insulation Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 5
- 210000005069 ears Anatomy 0.000 claims description 4
- 208000020442 loss of weight Diseases 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009721 upset forging Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 61
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/04—Flash butt welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a direct current welder. The welder comprises a first group of racks, a second group of racks, a central shaft, a clamping cylinder, a pushing device, an upset forging cylinder and an intermediate frequency welding transformer, wherein the central shaft is connected to a hydraulic cylinder, the hydraulic cylinder comprises a first cylinder, a second cylinder, a first piston, a second piston and a shared piston rod, inner diameters of the first cylinder and the second cylinder are the same, a first hydraulic cylinder cavity is communicated with a second oil port, a second hydraulic cylinder cavity is communicated with a third oil port, a third hydraulic cylinder cavity is communicated with a fourth oil port, a fourth hydraulic cylinder cavity is communicated with a fifth oil port, each of two pushing cylinders comprises a pushing cylinder, a pushing piston and a pushing piston rod, the fourth oil port and the second oil port of the hydraulic cylinder are communicated with the second oil port of a three-position four-way electromagnetic valve, and the fifth oil port and the third oil port are communicated with first pushing oil ports of two pushing cylinders respectively. The synchronicity of pushing cylinders can be guaranteed and the structure is simple.
Description
Technical field
The present invention relates to a kind of flash-butt welding equipment, particularly mobile steel rail flash of light DC welder.
Background technology
The head of the mobile steel rail flash welder that generally uses at present generally is comprised of four enclosed housings, and the inner welding transformer of installing has been arranged the parts such as various pipelines, and narrow space in the casing causes assembling and safeguards inconvenience.The Die Design of emerging steel rail flash welding machine is frame structure, and head is comprised of two groups of frames, although this simplifies the structure to a certain extent, but has the problems such as protruding poor synchronization, structure is unreasonable, oil circuit is complicated, manufacturing procedure is many that push away.For example, Chinese patent application number is that 200880127967.9 application documents discloses the on-the-spot rail welding system of a kind of track, it has the following disadvantages: two push away protruding oil cylinder and have the bad problem of synchronism, are difficult to avoid pushing away the situation that injures mother metal that occurs in the convex process; Arbitrary frame of two groups of frames forms by three heavy frames, and structure is more complicated still, and manufacturing procedure is many.In addition, two groups of frames need supporting 4 clamping cylinders altogether, have further increased the complexity of machine structure and oil circuit.In addition, if adopt flow balance valve to push away the synchronism problem of protruding oil cylinder with pushing away protruding oil cylinder load with solution, the deficiency such as still can exist adjusted in concert to have hysteresis quality and automaticity is low when regulating, the artifact impact is large can not guarantee to push away the smooth and easy of knurl process.
Summary of the invention
The object of the present invention is to provide a kind ofly can guarantee more reliably two synchronisms that push away protruding oil cylinder, thereby guarantee the steel rail weld joint quality, and rational in infrastructure, oil circuit is simple, is convenient to the DC welder of making, assembling and keep in repair.
In order to achieve the above object, technical scheme of the present invention is: a kind of DC welder, comprise first group of frame, second group of frame, central shaft, clamping cylinder, pushing away salient mounting puts, upset oil cylinder and intermediate frequency welding transformer, wherein said first group of frame and second group of frame all are contained in by articulated manner and consist of two pairs of pincerlike clamp mechanism on the common central shaft, clamping cylinder all is housed to drive first group of frame and second group of frame rotated around center shaft axis between the frame of every pair of pincerlike clamp mechanism, connect by the upset oil cylinder between first group of frame and second group of frame, to realize that two groups of frames are along the relative motion of center shaft axis direction, two intermediate frequency welding transformers are installed in the outside of first group of frame or second group of frame, and two intermediate frequency welding transformers connected in parallel, conduction jaw and non-conductive jaw all are installed on each frame, the conduction jaw is electrically connected with corresponding intermediate frequency welding transformer, the described salient mounting that pushes away is put and is comprised that two push away protruding oil cylinder, be fitted with synchronous distributor on the described central shaft, described synchronous distributor is hydraulic cylinder, described hydraulic cylinder comprises two the first cylinder barrel and the second cylinder barrels that internal diameter is identical, first piston, the second piston and a shared piston rod, first piston and the second piston are installed on the piston rod, first piston is divided into the first hydraulic cavities and the second hydraulic cavities with the first cylinder barrel, the second piston is divided into the 3rd hydraulic cavities and the 4th hydraulic cavities with the second cylinder barrel, the first hydraulic cavities is communicated with the second hydraulic fluid port, the second hydraulic cavities is communicated with the 3rd hydraulic fluid port, the 3rd hydraulic cavities is communicated with the 4th hydraulic fluid port, the 4th hydraulic cavities is communicated with the 5th hydraulic fluid port, described two push away protruding oil cylinder and include and push away protruding cylinder body, push away protruding piston and push away protruding piston rod, wherein pushing away protruding piston is installed in and pushes away on the protruding piston rod, pushing away protruding piston will push away protruding cylinder body and be divided into into the first chamber and the second chamber, the first chamber and the second chamber push away protruding hydraulic fluid port and second and push away protruding hydraulic fluid port and be communicated with first respectively, the 4th hydraulic fluid port of described hydraulic cylinder, the second hydraulic fluid port is communicated with the second hydraulic fluid port of three position four-way electromagnetic valve, the 5th hydraulic fluid port of hydraulic cylinder, the 3rd hydraulic fluid port pushes away first of protruding oil cylinder and pushes away protruding hydraulic fluid port and be communicated with two respectively, two push away and are communicated with the 4th hydraulic fluid port of three position four-way electromagnetic valve after second of protruding oil cylinder pushes away protruding hydraulic fluid port parallel connection, the first hydraulic fluid port of described three position four-way electromagnetic valve connects the oil-feed oil circuit, and the 3rd hydraulic fluid port of described three position four-way electromagnetic valve connects the oil return circuit that check valve is housed.
The described salient mounting that pushes away is put and is also comprised and push away celectome seat and push away celectome, pushes away the celectome seat and pushes away the protruding piston rod of pushing away of protruding oil cylinder and be connected.
Described hydraulic cylinder also comprises closed the first hydraulic fluid port that is communicated with the first hydraulic cavities, and closed the 6th hydraulic fluid port that is communicated with the 4th hydraulic cavities.
Described first group of frame and second group of frame include the frame of two frame-type assembly welding structures.
Arbitrary frame in described first group of frame and the second group of frame includes jaw seat, the first support plate and the second support plate, the first support plate and the second support plate are arranged in juxtaposition, the bottom of described the first support plate is welded with panelling, sidepiece is welded with the first hinge and the second hinge side by side, has through hole on the described panelling, have respectively the first pan and the second pan on the first hinge and the second hinge, the top of described the first support plate has the first oil cylinder connecting hole, the top of described the second support plate has and axial the second corresponding oil cylinder connecting hole of the first oil cylinder connecting hole, the bottom has the 3rd pan, the 3rd pan is axially corresponding with the first pan and the second pan, described the first support plate passes through panelling, the first hinge and the second hinge and jaw seat are welded and fixed, bottom and the jaw seat of described the second support plate are welded and fixed, be welded with the first connecting plate between the top of the top of described the first support plate and the second support plate, be welded with the second connecting plate between the bottom of described panelling and the second support plate.
The first support plate of the arbitrary frame in described every group of frame is provided with two synchronous ears that are arranged in juxtaposition, and correspondingly on the second support plate of another frame that cooperates with it in every group of frame is provided with two synchronous ears that are arranged in juxtaposition.Ear can guarantee welder frame in the synchronism when central shaft rotates synchronously, and then improves the centring property of rail, guarantees the quality of steel rail weld joint.
The place, two ends of the 3rd pan on described the second support plate all is welded with packing ring.
The inner place of the second oil cylinder connecting hole on the inner place of the first oil cylinder connecting hole on described the first support plate and the second support plate all is welded with ear pad.
All have the loss of weight through hole on described the first support plate and the second support plate.Under the prerequisite that guarantees serviceability, reduce welder frame weight.
Have on the described jaw seat and push away protruding oil cylinder installing hole.
Described jaw seat and panelling adopt stainless steel to make, and the first support plate, the second support plate, the first hinge, the second hinge, the first connecting plate and the second connecting plate all adopt high-strength steel sheet to make.
Described two intermediate frequency welding transformers are installed in respectively the first support plate outside of a frame of first group of frame and the second support plate outside of another frame.
Conduction jaw on described first group of frame respectively one of input by the first bus-bar and the intermediate frequency welding transformer of a corresponding side links to each other, and the conduction jaw on second group of frame passes through successively the 3rd bus-bar, upset bar electrode and the second bus-bar and links to each other with another input of the intermediate frequency welding transformer of a corresponding side.
Be connected with the leveling suspender on described first group of frame and second group of frame, the leveling suspender comprises hanger and two rod assemblies, also has screw rod, crossbeam and U-bolt, the bottom of described hanger has adapter sleeve, adapter sleeve is enclosed within on the screw rod, two adjusting nuts have been threaded on the described screw rod, two adjusting nuts are pressed on respectively the adapter sleeve two ends, the two ends of described screw rod are hinged with respectively a rod assembly, described rod assembly includes jaw bolt, the first nut, sleeve, screw plug, cross-over block, insulation sleeve and pull bar, described jaw bolt bottom has external screw thread, described sleeve inner has internal thread, the internal thread of sleeve is threaded with the external screw thread of jaw bolt bottom and uses the first nut check, described lower cartridge has stepped hole, the step head of pull bar is by insulation sleeve and stepped hole assembling, be screwed with screw plug in the internal thread of described sleeve, screw plug is pressed on the cross-over block, cross-over block is pressed on the step crown face of pull bar, described pull bar bottom is fixedly connected with crossbeam, and described U-bolt end is passed the jack on the crossbeam and is installed on the crossbeam with the second nut.
Also clamped check washer between described sleeve and the first nut.
Also overlap on the described pull bar sheath and gland are arranged, the sheath upper end offsets with the sleeve lower end, and sheath lower end and gland upper end offset, and gland lower end and crossbeam offset, described pull bar bottom has external screw thread, and the pull bar bottom pass connecting hole on the crossbeam after its external screw thread bottom be connected with the 3rd nut thread.
The top of described sheath also is nested with stretching out on the part outside the sleeve at insulation sleeve.
On the jaw of described jaw bolt with the first pin-and-hole, the two ends of described screw rod are the engaging lugs with the second pin-and-hole, and engaging lug is inserted in the fork pockets of corresponding jaw bolt and passes the first pin-and-hole on the jaw of jaw bolt by connecting pin and the second pin-and-hole of engaging lug is realized hinged.
Be connected with insulated oil pipe joint by pipeline on the described clamping cylinder, insulated oil pipe joint comprises the first joint, the second joint and nut, the counterface of described the first joint is equipped with the first sealing ring, the counterface of the second joint is equipped with the second sealing ring, has insulation board between the first joint and the second joint, the counterface of the counterface of the first joint and the second joint and the first sealing ring and the second sealing ring are pressed on respectively on two sides of insulation board, the joint portion of described the first joint has the first collar flange radially, the joint portion of described the second joint has the second collar flange radially, has the flange external screw thread on the second collar flange, the anterior endoporus of described nut is threaded with flange external screw thread on the second collar flange of the second joint, between the periphery of rear portion endoporus and the first joint insulation sleeve is housed, the rear end of nut has the snap close step, the snap close step is against on the insulation sleeve, has the first external screw thread away from the first annular flange portion on described the first joint, between the first external screw thread and the first collar flange, be provided with the first turret head, have the second external screw thread away from the second annular flange portion on described the second joint, between the second external screw thread and the second collar flange, be provided with the second turret head.This insulated oil pipe joint reliability is high, connection is easy and the two ends insulation.
The free end of described the first joint has the sealing conical seat surface; The free end of described the second joint has the sealing conical seat surface.
After adopting said structure, owing to be fitted with synchronous distributor on the central shaft, described synchronous distributor is hydraulic cylinder, and hydraulic cylinder pushes away protruding oil path in oil cylinder and is connected with two, and links to each other with the import and export oil circuit by three position four-way electromagnetic valve.Not only guaranteed two synchronisms that push away protruding oil cylinder, it is even to have guaranteed that steel rail weld joint pushes away protruding surplus, has avoided pushing away the mother metal situation that injures that is prone in the convex process, has improved the quality of steel rail weld joint.And oil circuit connects also fairly simple.Simultaneously, the hydraulic cylinder that the present invention adopts has also solved the hysteresis quality problem when adjusted in concert that prior art exists, and can guarantee better two synchronisms that push away protruding oil cylinder; And the hydraulic cylinder that the present invention adopts can not be subjected to the impact of pressure, flow and the various factors such as load and manual adjustment of system, can realize more reliable adjusted in concert, and automaticity is high.
Every group of frame needs only a clamping cylinder, reduced the quantity of required clamping cylinder, simplifies the structure, and makes oil circuit simpler.In addition, two intermediate frequency welding transformers are installed in the outside of first group of frame or second group of frame, make more reasonable structure, are convenient to assembling and maintenance.
In addition, because described first group of frame and second group of frame include the frame of two frame-type assembly welding structures, arbitrary frame in first group of frame and the second group of frame includes jaw seat, the first support plate and the second support plate, the first support plate and the second support plate are arranged in juxtaposition, and the bottom of described the first support plate is welded with panelling, and sidepiece is welded with the first hinge and the second hinge side by side, therefore, rack construction is simple, is convenient to processing, welding, assembling and maintenance, and perfect heat-dissipating; Also be conducive to manufacturing, assembling and the maintenance of welding machine.
Description of drawings
Fig. 1 is the structural representation of DC welder of the present invention;
Fig. 2 is that Fig. 1 is along the cutaway view of A-A line;
Fig. 3 is that Fig. 1 is along the cutaway view of B-B line;
Fig. 4 is the structural representation of the hydraulic cylinder among the present invention;
Fig. 5 is that Fig. 4 is along the cutaway view of C-C line;
Fig. 6 is the structural representation of the frame among the present invention;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the right view of Fig. 6;
Fig. 9 is that Fig. 6 is along the cutaway view of D-D line;
Figure 10 is that Fig. 7 is along the cutaway view of E-E line;
Figure 11 is the perspective view of Fig. 6;
Figure 12 is first group of frame among the present invention and the articulated structure schematic diagram of second group of frame;
Figure 13 is the structural representation that pushes away protruding oil cylinder among the present invention;
Figure 14 is the protruding asphalt principle schematic diagram that pushes away among the present invention;
Figure 15 is the structural representation of the leveling suspender among Fig. 1;
Figure 16 is the left view of Figure 15;
Figure 17 is that Figure 15 is along the profile of G-G line;
Figure 18 is that Figure 15 is along the profile of F-F line;
Figure 19 is that Figure 16 is along the profile of H-H line;
Figure 20 is the structural representation of the insulated oil pipe joint among Fig. 1;
Figure 21 is the operation principle schematic diagram of the direct current flash welding system among the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with embodiment that accompanying drawing provides.
Shown in Fig. 1 ~ 14, a kind of DC welder of the present invention, comprise first group of frame 2,2 ', second group of frame 6,6 ', central shaft 8, clamping cylinder 3, push away salient mounting and put 4, upset oil cylinder 7 and intermediate frequency welding transformer 10, wherein said first group of frame 2,2 ' and second group of frame 6,6 ' all are contained in two pairs of pincerlike clamp mechanism of formation on the common central shaft 8 by articulated manner, clamping cylinder 3 all is housed to drive first group of frame 2 between the frame of every pair of pincerlike clamp mechanism, 2 ' and second group of frame 6,6 ' rotates around central shaft 8 axis, first group of frame 2,2 ' and second group of frame 6, connect by upset oil cylinder 7 between 6 ', to realize that two groups of frames are along central shaft 8 axis direction relative motions, two intermediate frequency welding transformers 10 are installed in first group of frame 2,2 ' or second group of frame 6,6 ' outside, and two intermediate frequency welding transformer 10 parallel connections, conduction jaw 11-1 and non-conductive jaw 11-2 all are installed on each frame, conduction jaw 11-1 is electrically connected with corresponding intermediate frequency welding transformer 10, the described salient mounting that pushes away is put 4 and is comprised that two push away protruding oil cylinder 1, be fitted with synchronous distributor on the described central shaft 8, described synchronous distributor is hydraulic cylinder 9, described hydraulic cylinder 9 comprises two the first cylinder barrel 9-1 and the second cylinder barrel 9-2 that internal diameter is identical, first piston 9-3, the second piston 9-4 and a shared piston rod 9-5, first piston 9-3 and the second piston 9-4 are installed on the piston rod 9-5, first piston 9-3 is divided into the first hydraulic cavities 9-1-1 and the second hydraulic cavities 9-1-2 with the first cylinder barrel 9-1, the second piston 9-4 is divided into the 3rd hydraulic cavities 9-2-1 and the 4th hydraulic cavities 9-2-2 with the second cylinder barrel 9-2, the first hydraulic cavities 9-1-1 is communicated with the second hydraulic fluid port 9-9, the second hydraulic cavities 9-1-2 is communicated with the 3rd hydraulic fluid port 9-10, the 3rd hydraulic cavities 9-2-1 is communicated with the 4th hydraulic fluid port 9-7, the 4th hydraulic cavities 9-2-2 is communicated with the 5th hydraulic fluid port 9-8, described two push away protruding oil cylinder 1 and include and push away protruding cylinder body 1-7, push away protruding piston 1-1 and push away protruding piston rod 1-6, wherein pushing away protruding piston 1-1 is installed in and pushes away on the protruding piston rod 1-6, pushing away protruding piston 1-1 will push away protruding cylinder body 1-7 and be divided into into the first chamber 1-3 and the second chamber 1-2, the first chamber 1-3 and the second chamber 1-2 push away protruding hydraulic fluid port 1-4 and second and push away protruding hydraulic fluid port 1-5 and be communicated with first respectively, the 4th hydraulic fluid port 9-7 of described hydraulic cylinder 9, the second hydraulic fluid port 9-9 is communicated with the second hydraulic fluid port A2 of three position four-way electromagnetic valve 13, the 5th hydraulic fluid port 9-8 of hydraulic cylinder 9, the 3rd hydraulic fluid port 9-10 pushes away first of protruding oil cylinder 1 and pushes away protruding hydraulic fluid port 1-4 and be communicated with two respectively, two push away and are communicated with the 4th hydraulic fluid port B2 of three position four-way electromagnetic valve 13 after second of protruding oil cylinder 1 pushes away protruding hydraulic fluid port 1-5 parallel connection, the first hydraulic fluid port A1 of described three position four-way electromagnetic valve 13 connects oil-feed oil circuit P, and the 3rd hydraulic fluid port B1 of described three position four-way electromagnetic valve 13 connects the oil return circuit T that check valve 14 is housed.
As shown in Figure 2, the described salient mounting that pushes away is put 4 and is also comprised and push away celectome seat 4-1 and push away celectome 4-2, pushes away celectome seat 4-1 and pushes away the protruding piston rod 1-6 of pushing away of protruding oil cylinder 1 and be connected.
As shown in Figure 5, described hydraulic cylinder 9 also comprises closed the first hydraulic fluid port 9-6 that is communicated with the first hydraulic cavities 9-1-1, and closed the 6th hydraulic fluid port 9-11 that is communicated with the 4th hydraulic cavities 9-2-2.The first hydraulic fluid port 9-6 is as the hydraulic fluid port for subsequent use of the second hydraulic fluid port 9-9, and the 6th hydraulic fluid port 9-11 is as the hydraulic fluid port for subsequent use of the 5th hydraulic fluid port 9-8; If these hydraulic fluid port not enableds for subsequent use just adopt the plug sealing.Transfer in use plug just to can be used as exhaust outlet, prevent that air from sneaking in the hydraulic cavities and impact pushes away protruding effect synchronously, can further improve two synchronization accuracies that push away protruding oil cylinder, and such setting is the assembling of more convenient welding machine also.
Certainly hydraulic cylinder 9 also can not established the first hydraulic fluid port 9-6 and the 6th hydraulic fluid port 9-11.
Shown in Fig. 3,6,7,8,9,10,11, simple in order to make rack construction, to be convenient to make, described first group of frame 2,2 ' and second group of frame 6,6 ' include the frame of two frame-type assembly welding structures.Such as Fig. 3,6,7,8,9,10, shown in 11, in order to make rack construction simple, be convenient to processing, assembling and maintenance, and perfect heat-dissipating, arbitrary frame in described first group of frame and the second group of frame includes jaw seat 2-6, the first support plate 2-1 and the second support plate 2-4, the first support plate 2-1 and the second support plate 2-4 are arranged in juxtaposition, the bottom of described the first support plate 2-1 is welded with panelling 2-10, sidepiece is welded with the first hinge 2-7 and the second hinge 2-8 side by side, has through hole 2-10-1 on the described panelling 2-10, have respectively the first pan 2-7-1 and the second pan 2-8-1 on the first hinge 2-7 and the second hinge 2-8, the top of described the first support plate 2-1 has the first oil cylinder connecting hole 2-1-1, the top of described the second support plate 2-4 has axial the second corresponding oil cylinder connecting hole 2-4-1 with the first oil cylinder connecting hole 2-1-1, the bottom has the 3rd pan 2-4-2, the 3rd pan 2-4-2 is axially corresponding with the first pan 2-7-1 and the second pan 2-8-1, described the first support plate 2-1 is by panelling 2-10, the first hinge 2-7 and the second hinge 2-8 and jaw seat 2-6 are welded and fixed, the bottom of described the second support plate 2-4 and jaw seat 2-6 are welded and fixed, be welded with the first connecting plate 2-3 between the top of the top of described the first support plate 2-1 and the second support plate 2-4, be welded with the second connecting plate 2-11 between the bottom of described panelling 2-10 and the second support plate 2-4.
Shown in Fig. 6,7,8,11, in order to keep each group gantry motion synchronous, guarantee that welder frame is in the synchronism when central shaft rotates, improve the centering of rail, to guarantee the rail welding quality, the described first support plate 2-1 of arbitrary frame is provided with two synchronous ear 2-9 that are arranged in juxtaposition in every group of frame, and as shown in figure 12, the upper correspondence of the second support plate 2-4 of another frame that cooperates with it in every group of frame is provided with two synchronous ear 2-9 that are arranged in juxtaposition.
Shown in Fig. 6,9, leave allowance in order to give both sides, the 3rd pan place, the place, two ends of the 3rd pan 2-4-2 on described the second support plate 2-4 all is welded with packing ring 2-5.
Shown in Fig. 6,11, for improve the oil cylinder connection hole wearability and intensity, the second oil cylinder connecting hole 2-4-1 on the inner place of the first oil cylinder connecting hole 2-1-1 on described the first support plate 2-1 and the second support plate 2-4 is inner to locate all to be welded with ear pad 2-2.
Shown in Fig. 7,8,11, under the prerequisite that guarantees serviceability, reduce welder frame weight, all have loss of weight through hole 2-1-2,2-4-3 on described the first support plate 2-1 and the second support plate 2-4.
Shown in Fig. 7,8,10,11, push away protruding oil cylinder for the ease of installation, have on the described jaw seat 2-6 and push away protruding oil cylinder installing hole 2-6-1.
Shown in Fig. 6 ~ 11, in order to satisfy the performance of steel rail flash welding machine, described jaw seat 2-6 and panelling 2-10 adopt stainless steel to make, and the first support plate 2-1, the second support plate 2-4, the first hinge 2-7, the second hinge 2-8, the first connecting plate 2-3 and the second connecting plate 2-11 all adopt high-strength steel sheet to make.
Shown in Fig. 1,2,12, described two intermediate frequency welding transformers 10 are installed in respectively the first support plate 2-1 outside of first group of frame 2, a frame of 2 ' and the second support plate 2-4 outside of another frame.
As shown in Figure 2, in order to make more reasonable structure, be convenient to assembling, conduction jaw 11-1 on described first group of frame 2,2 ' respectively one of input by the first bus-bar 12-1 and the intermediate frequency welding transformer 10 of a corresponding side links to each other, and the conduction jaw 11-1 on second group of frame 6,6 ' passes through successively the 3rd bus-bar 12-3, upset bar electrode 7-1 and the second bus-bar 12-2 and links to each other with another input of the intermediate frequency welding transformer 10 of a corresponding side.
Such as Fig. 1, shown in 15 ~ 19, for the ease of lifting by crane welding machine and making welding machine left and right sides frame keep level, make things convenient for welding machine in the rail welding process to rail and clamp operation, described first group of frame 2,2 ' and second group of frame 6, be connected with leveling suspender 5 on 6 ', leveling suspender 5 comprises hanger 5-1 and two rod assembly 5-4, also has screw rod 5-8, crossbeam 5-6 and U-bolt 5-7, the bottom of described hanger 5-1 has adapter sleeve 5-1-1, adapter sleeve 5-1-1 is enclosed within on the screw rod 5-8, two adjusting nut 5-2 have been threaded on the described screw rod 5-8, two adjusting nut 5-2 are pressed on respectively adapter sleeve 5-1-1 two ends, the two ends of described screw rod 5-8 are hinged with respectively a rod assembly 5-4, described rod assembly 5-4 includes jaw bolt 5-4-1, the first nut 5-4-2, sleeve 5-4-3, screw plug 5-4-4, cross-over block 5-4-5, insulation sleeve 5-4-6 and pull bar 5-4-7, described jaw bolt 5-4-1 bottom has external screw thread, described sleeve 5-4-3 inside has internal thread, the internal thread of sleeve 5-4-3 is threaded with the external screw thread of jaw bolt 5-4-1 bottom and locks with the first nut 5-4-2, described sleeve 5-4-3 bottom has stepped hole 5-4-3-1, the step head 5-4-7-1 of pull bar 5-4-7 is by insulation sleeve 5-4-6 and stepped hole 5-4-3-1 assembling, be screwed with screw plug 5-4-4 in the internal thread of described sleeve 5-4-3, screw plug 5-4-4 is pressed on the cross-over block 5-4-5, cross-over block 5-4-5 is pressed on the step head 5-4-7-1 end face of pull bar 5-4-7, described pull bar 5-4-7 bottom is fixedly connected with crossbeam 5-6, and described U-bolt 5-7 passes the end jack 5-6-1 on the crossbeam 5-6 and is installed on the crossbeam 5-6 with the second nut 5-5.
As shown in figure 17, in order to prevent becoming flexible, also clamped check washer 5-4-10 between described sleeve 5-4-3 and the first nut 5-4-2.
As shown in figure 17, for pull bar 5-4-7 firmly is connected with crossbeam 5-6, also overlap on the described pull bar 5-4-7 sheath 5-4-8 and gland 5-4-9 are arranged, sheath 5-4-8 upper end offsets with sleeve 5-4-3 lower end, sheath 5-4-8 lower end and gland 5-4-9 upper end offset, gland 5-4-9 lower end and crossbeam 5-6 offset, and described pull bar 5-4-7 bottom has external screw thread 5-4-7-2, and pull bar 5-4-7 bottom pass connecting hole 5-6-2 on the crossbeam 5-6 after its external screw thread 5-4-7-2 bottom be threaded with the 3rd nut 5-9.
As shown in figure 17, more reliable in order to make insulation, the top of described sheath 5-4-8 also is nested with stretching out on the part outside the sleeve 5-4-3 at insulation sleeve 5-4-6.
As shown in figure 17, in order to make screw rod 5-8 and rod assembly 5-4 easy to connect, reliable, on the jaw of described jaw bolt 5-4-1 with the first pin-and-hole 5-4-1-1, the two ends of described screw rod 5-8 are the engaging lugs with the second pin-and-hole 5-8-1, and engaging lug is inserted in the fork pockets of corresponding jaw bolt 5-4-1 and passes the first pin-and-hole 5-4-1-1 on the jaw of jaw bolt 5-4-1 by connecting pin 5-3 and the second pin-and-hole 5-8-1 of engaging lug realizes hinged.
Such as Fig. 1, shown in 20, in order to improve the reliability of welding machine, oil connection is not easy to crack and be convenient to and being connected of oil pipe, be connected with insulated oil pipe joint 15 by pipeline on the described clamping cylinder 3, insulated oil pipe joint 15 comprises the first joint 15-1, the second joint 15-6 and nut 15-7, the counterface of described the first joint 15-1 is equipped with the first sealing ring 15-3, the counterface of the second joint 15-6 is equipped with the second sealing ring 15-5,15-6 has insulation board 15-4 between the first joint 15-1 and the second joint, the counterface of the counterface of the first joint 15-1 and the second joint 15-6 and the first sealing ring 15-3 and the second sealing ring 15-5 are pressed on respectively on two sides of insulation board 15-4, the joint portion of described the first joint 15-1 has the first collar flange 15-1-1 radially, the joint portion of described the second joint 15-6 has the second collar flange 15-6-1 radially, has flange external screw thread 15-6-2 on the second collar flange 15-6-1, flange external screw thread 15-6-2 on the second collar flange 15-6-1 of the anterior endoporus of described nut 15-7 and the second joint 15-6 is threaded, insulation sleeve 15-2 is housed between the periphery of rear portion endoporus and the first joint 15-1, the rear end of nut 15-7 has snap close step 15-7-1, snap close step 15-7-1 is against on the insulation sleeve 15-2, has the first external screw thread 15-1-2 away from the first collar flange 15-1-1 section on described the first joint 15-1, between the first external screw thread 15-1-2 and the first collar flange 15-1-1, be provided with the first turret head 15-1-3, have the second external screw thread 15-6-3 away from the second collar flange 15-6-1 section on described the second joint 15-6, between the second external screw thread 15-6-3 and the second collar flange 15-6-1, be provided with the second turret head 15-6-4.
As shown in figure 20, in order further to be convenient to connected pipes, the free end of described the first joint 15-1 has sealing conical seat surface 15-1-4; The free end of described the second joint 15-6 has sealing conical seat surface 15-6-5.
Such as Fig. 1,2,3,5,12,13, shown in 14, process of the present invention is as follows, push away when protruding, the first hydraulic fluid port A1 of three position four-way electromagnetic valve 13 connects the second hydraulic fluid port A2, the 3rd hydraulic fluid port B1 connects the 4th hydraulic fluid port B2, hydraulic oil enters among the first hydraulic cavities 9-1-1 and the 3rd hydraulic cavities 9-2-1 of hydraulic cylinder 9, promote first piston 9-3, the second piston 9-4 and first piston bar 9-5 move right, force the second hydraulic cavities 9-1-2, hydraulic oil in the 4th hydraulic cavities 9-2-2 enters respectively among two the first chamber 1-3 that push away protruding oil cylinder 1, make and push away protruding piston rod 1-6 and stretch out, hydraulic oil among the second chamber 1-2 is by the 4th hydraulic fluid port B2 of three position four-way electromagnetic valve 13, the 3rd hydraulic fluid port B1, back down check valve 14 and flow into fuel tanks, finish push away protruding.Because the first cylinder barrel 9-1 of hydraulic cylinder 9 has identical internal diameter with the second cylinder barrel 9-2, and first piston 9-3 and the second piston 9-4 are installed on the same piston rod 9-5, so entering two hydraulic oil that push away the first chamber 1-3 of protruding oil cylinder 1 from the second hydraulic cavities 9-1-2, the 4th hydraulic cavities 9-2-2 is equivalent, and then two synchronisms that push away protruding oil cylinder 1 have been guaranteed.Finish push away protruding after, the first hydraulic fluid port A1 of three position four-way electromagnetic valve 13 connects the 4th hydraulic fluid port B2, the 3rd hydraulic fluid port B1 connects the second hydraulic fluid port A2, hydraulic oil enters two the second chamber 1-2 that push away protruding oil cylinder 1 by three position four-way electromagnetic valve 13, promotion pushes away protruding piston rod 1-6 retraction, force hydraulic oil among the first chamber 1-3 to enter the second hydraulic cavities 9-1-2 of hydraulic cylinder 9, in the 4th hydraulic cavities 9-2-2, promote first piston 9-3, the second piston 9-4 and piston rod 9-5 be to left movement, makes among the first hydraulic cavities 9-1-1 and the 3rd hydraulic cavities 9-2-1 hydraulic oil by the second hydraulic fluid port A2 of three position four-way electromagnetic valve 13, backing down check valve 14 behind the 3rd hydraulic fluid port B1 returns in the fuel tank.
As shown in figure 21, operation principle schematic diagram for direct current flash welding system, electrical source of power 1301 is the power source of whole system, and electrical source of power 1301 drives hydraulic power unit 1302 on the one hand, makes hydraulic power unit require the certain pressure oil of output to drive hydraulic actuating mechanism work according to control.Electrical source of power inputs to if inverter 1303 on the other hand, convert the medium frequency alternating current of frequency 1000Hz to, medium frequency alternating current inputs to the integrated rectification circuit of intermediate frequency welding transformer 10(of the present invention again), output meets the direct current of welding requirements to rail 1304 to be welded behind step-down rectifier.
Claims (20)
1. DC welder, comprise first group of frame (2,2 '), second group of frame (6,6 '), central shaft (8), clamping cylinder (3), push away salient mounting and put (4), upset oil cylinder (7) and intermediate frequency welding transformer (10), wherein said first group of frame (2,2 ') and second group of frame (6,6 ') all be contained in two pairs of pincerlike clamp mechanism of the upper formation of common central shaft (8) by articulated manner, clamping cylinder (3) all is housed to drive first group of frame (2 between the frame of every pair of pincerlike clamp mechanism, 2 ') and second group of frame (6,6 ') rotate around central shaft (8) axis, first group of frame (2,2 ') and second group of frame (6,6 ') connect by upset oil cylinder (7) between, to realize that two groups of frames are along central shaft (8) axis direction relative motion, two intermediate frequency welding transformers (10) are installed in first group of frame (2,2 ') or second group of frame (6,6 ') outside, and two intermediate frequency welding transformers (10) parallel connection, conduction jaw (11-1) and non-conductive jaw (11-2) all are installed on each frame, conduction jaw (11-1) is electrically connected with corresponding intermediate frequency welding transformer (10), the described salient mounting that pushes away is put (4) and is comprised that two push away protruding oil cylinder (1), is characterized in that:
A, described central shaft are fitted with synchronous distributor on (8), and described synchronous distributor is hydraulic cylinder (9),
B, described hydraulic cylinder (9) comprises two the first cylinder barrel (9-1) and the second cylinder barrels (9-2) that internal diameter is identical, first piston (9-3), the second piston (9-4) and a shared piston rod (9-5), first piston (9-3) and the second piston (9-4) are installed on the piston rod (9-5), first piston (9-3) is divided into the first hydraulic cavities (9-1-1) and the second hydraulic cavities (9-1-2) with the first cylinder barrel (9-1), the second piston (9-4) is divided into the 3rd hydraulic cavities (9-2-1) and the 4th hydraulic cavities (9-2-2) with the second cylinder barrel (9-2), the first hydraulic cavities (9-1-1) is communicated with the second hydraulic fluid port (9-9), the second hydraulic cavities (9-1-2) is communicated with the 3rd hydraulic fluid port (9-10), the 3rd hydraulic cavities (9-2-1) is communicated with the 4th hydraulic fluid port (9-7), the 4th hydraulic cavities (9-2-2) is communicated with the 5th hydraulic fluid port (9-8)
C, described two push away protruding oil cylinder (1) and include and push away protruding cylinder body (1-7), push away protruding piston (1-1) and push away protruding piston rod (1-6), wherein pushing away protruding piston (1-1) is installed in and pushes away on the protruding piston rod (1-6), pushing away protruding piston (1-1) will push away protruding cylinder body (1-7) and be divided into into the first chamber (1-3) and the second chamber (1-2), the first chamber (1-3) and the second chamber (1-2) push away protruding hydraulic fluid port (1-4) and second and push away protruding hydraulic fluid port (1-5) and be communicated with first respectively
The 4th hydraulic fluid port (9-7) of d, described hydraulic cylinder (9), the second hydraulic fluid port (9-9) are communicated with second hydraulic fluid port (A2) of three position four-way electromagnetic valve (13), the 5th hydraulic fluid port (9-8) of hydraulic cylinder (9), the 3rd hydraulic fluid port (9-10) push away first of protruding oil cylinder (1) and push away protruding hydraulic fluid port (1-4) and be communicated with two respectively, two push away second of protruding oil cylinder (1) and push away protruding hydraulic fluid port (1-5) and be communicated with the 4th hydraulic fluid port (B2) of three position four-way electromagnetic valve (13) after in parallel
First hydraulic fluid port (A1) of e, described three position four-way electromagnetic valve (13) connects oil-feed oil circuit (P),
The oil return circuit (T) of check valve (14) is equipped with in the 3rd hydraulic fluid port (B1) connection of f, described three position four-way electromagnetic valve (13).
2. DC welder according to claim 1 is characterized in that: the described salient mounting that pushes away is put (4) and is also comprised and push away celectome seat (4-1) and push away celectome (4-2), pushes away celectome seat (4-1) and is connected with the protruding piston rod (1-6) that pushes away that pushes away protruding oil cylinder (1).
3. DC welder according to claim 1, it is characterized in that: described hydraulic cylinder (9) also comprises closed the first hydraulic fluid port (9-6) that is communicated with the first hydraulic cavities (9-1-1), and closed the 6th hydraulic fluid port (9-11) that is communicated with the 4th hydraulic cavities (9-2-2).
4. DC welder according to claim 1, it is characterized in that: described first group of frame (2,2 ') and second group of frame (6,6 ') include the frame of two frame-type assembly welding structures.
5. DC welder according to claim 4, it is characterized in that: the arbitrary frame in described first group of frame and the second group of frame includes jaw seat (2-6), the first support plate (2-1) and the second support plate (2-4), the first support plate (2-1) and the second support plate (2-4) are arranged in juxtaposition, the bottom of described the first support plate (2-1) is welded with panelling (2-10), sidepiece is welded with the first hinge (2-7) and the second hinge (2-8) side by side, has through hole (2-10-1) on the described panelling (2-10), have respectively the first pan (2-7-1) and the second pan (2-8-1) on the first hinge (2-7) and the second hinge (2-8), the top of described the first support plate (2-1) has the first oil cylinder connecting hole (2-1-1), the top of described the second support plate (2-4) has and axial the second corresponding oil cylinder connecting hole (2-4-1) of the first oil cylinder connecting hole (2-1-1), the bottom has the 3rd pan (2-4-2), the 3rd pan (2-4-2) is axially corresponding with the first pan (2-7-1) and the second pan (2-8-1), described the first support plate (2-1) is by panelling (2-10), the first hinge (2-7) and the second hinge (2-8) are welded and fixed with jaw seat (2-6), the bottom of described the second support plate (2-4) and jaw seat (2-6) are welded and fixed, be welded with the first connecting plate (2-3) between the top of the top of described the first support plate (2-1) and the second support plate (2-4), be welded with the second connecting plate (2-11) between the bottom of described panelling (2-10) and the second support plate (2-4).
6. DC welder according to claim 5, it is characterized in that: described first support plate (2-1) of the arbitrary frame in every group of frame is provided with two synchronous ears (2-9) that are arranged in juxtaposition, and the upper correspondence of the second support plate (2-4) of another frame that cooperates with it in every group of frame is provided with two synchronous ears (2-9) that are arranged in juxtaposition.
7. DC welder according to claim 5 is characterized in that: the place, two ends of the 3rd pan (2-4-2) on described the second support plate (2-4) all is welded with packing ring (2-5).
8. DC welder according to claim 5 is characterized in that: the second oil cylinder connecting hole (2-4-1) on the inner place of the first oil cylinder connecting hole (2-1-1) on described the first support plate (2-1) and the second support plate (2-4) is inner locates all to be welded with ear pad (2-2).
9. DC welder according to claim 5 is characterized in that: all have loss of weight through hole (2-1-2,2-4-3) on described the first support plate (2-1) and the second support plate (2-4).
10. DC welder according to claim 5 is characterized in that: have on the described jaw seat (2-6) and push away protruding oil cylinder installing hole (2-6-1).
11. DC welder according to claim 5, it is characterized in that: described jaw seat (2-6) and panelling (2-10) adopt stainless steel to make, and the first support plate (2-1), the second support plate (2-4), the first hinge (2-7), the second hinge (2-8), the first connecting plate (2-3) and the second connecting plate (2-11) all adopt high-strength steel sheet to make.
12. DC welder according to claim 5 is characterized in that: described two intermediate frequency welding transformers (10) are installed in respectively the first support plate (2-1) outside of a frame of first group of frame (2,2 ') and the second support plate (2-4) outside of another frame.
13. DC welder according to claim 1, it is characterized in that: the conduction jaw (11-1) on described first group of frame (2,2 ') respectively one of input by the first bus-bar (12-1) and the intermediate frequency welding transformer (10) of a corresponding side links to each other, and the conduction jaw (11-1) on second group of frame (6,6 ') passes through successively the 3rd bus-bar (12-3), upset bar electrode (7-1) and the second bus-bar (12-2) and links to each other with another input of the intermediate frequency welding transformer (10) of a corresponding side.
14. DC welder according to claim 1, it is characterized in that: described first group of frame (2,2 ') and second group of frame (6,6 ') be connected with leveling suspender (5) on, leveling suspender (5) comprises hanger (5-1) and two rod assemblies (5-4), also has screw rod (5-8), crossbeam (5-6) and U-bolt (5-7), the bottom of described hanger (5-1) has adapter sleeve (5-1-1), adapter sleeve (5-1-1) is enclosed within on the screw rod (5-8), two adjusting nuts (5-2) have been threaded on the described screw rod (5-8), two adjusting nuts (5-2) are pressed on respectively adapter sleeve (5-1-1) two ends, the two ends of described screw rod (5-8) are hinged with respectively a rod assembly (5-4), described rod assembly (5-4) includes jaw bolt (5-4-1), the first nut (5-4-2), sleeve (5-4-3), screw plug (5-4-4), cross-over block (5-4-5), insulation sleeve (5-4-6) and pull bar (5-4-7), described jaw bolt (5-4-1) bottom has external screw thread, described sleeve (5-4-3) inside has internal thread, the internal thread of sleeve (5-4-3) is threaded with the external screw thread of jaw bolt (5-4-1) bottom and locks with the first nut (5-4-2), described sleeve (5-4-3) bottom has stepped hole (5-4-3-1), the step head (5-4-7-1) of pull bar (5-4-7) is by insulation sleeve (5-4-6) and stepped hole (5-4-3-1) assembling, be screwed with screw plug (5-4-4) in the internal thread of described sleeve (5-4-3), screw plug (5-4-4) is pressed on the cross-over block (5-4-5), cross-over block (5-4-5) is pressed on step head (5-4-7-1) end face of pull bar (5-4-7), described pull bar (5-4-7) bottom is fixedly connected with crossbeam (5-6), and described U-bolt (5-7) end is passed the jack (5-6-1) on the crossbeam (5-6) and is installed on the crossbeam (5-6) with the second nut (5-5).
15. DC welder according to claim 14 is characterized in that: also clamped check washer (5-4-10) between described sleeve (5-4-3) and the first nut (5-4-2).
16. DC welder according to claim 14, it is characterized in that: also overlapping on the described pull bar (5-4-7) has sheath (5-4-8) and gland (5-4-9), sheath (5-4-8) upper end offsets with sleeve (5-4-3) lower end, sheath (5-4-8) lower end and gland (5-4-9) upper end offset, gland (5-4-9) lower end and crossbeam (5-6) offset, described pull bar (5-4-7) bottom has external screw thread (5-4-7-2), and rear its external screw thread (5-4-7-2) bottom of connecting hole (5-6-2) that pull bar (5-4-7) bottom is passed on the crossbeam (5-6) is threaded with the 3rd nut (5-9).
17. DC welder according to claim 14 is characterized in that: the top of described sheath (5-4-8) also is nested with stretching out on the part outside the sleeve (5-4-3) at insulation sleeve (5-4-6).
18. DC welder according to claim 14, it is characterized in that: on the jaw of described jaw bolt (5-4-1) with the first pin-and-hole (5-4-1-1), the two ends of described screw rod (5-8) are the engaging lugs with the second pin-and-hole (5-8-1), and engaging lug is inserted in the fork pockets of corresponding jaw bolt (5-4-1) and passes the first pin-and-hole (5-4-1-1) on the jaw of jaw bolt (5-4-1) by connecting pin (5-3) and second pin-and-hole (5-8-1) of engaging lug is realized hinged.
19. DC welder according to claim 1, it is characterized in that: described clamping cylinder (3) is upper to be connected with insulated oil pipe joint (15) by pipeline, insulated oil pipe joint (15) comprises the first joint (15-1), the second joint (15-6) and nut (15-7), the counterface of described the first joint (15-1) is equipped with the first sealing ring (15-3), the counterface of the second joint (15-6) is equipped with the second sealing ring (15-5), (15-6) has insulation board (15-4) between the first joint (15-1) and the second joint, the counterface of the counterface of the first joint (15-1) and the second joint (15-6) and the first sealing ring (15-3) and the second sealing ring (15-5) are pressed on respectively on two sides of insulation board (15-4), the joint portion of described the first joint (15-1) has the first collar flange (15-1-1) radially, the joint portion of described the second joint (15-6) has the second collar flange (15-6-1) radially, has flange external screw thread (15-6-2) on the second collar flange (15-6-1), flange external screw thread (15-6-2) on second collar flange (15-6-1) of the anterior endoporus of described nut (15-7) and the second joint (15-6) is threaded, insulation sleeve (15-2) is housed between the periphery of rear portion endoporus and the first joint (15-1), the rear end of nut (15-7) has snap close step (15-7-1), snap close step (15-7-1) is against on the insulation sleeve (15-2), has the first external screw thread (15-1-2) away from the first collar flange (15-1-1) section on described the first joint (15-1), between the first external screw thread (15-1-2) and the first collar flange (15-1-1), be provided with the first turret head (15-1-3), have the second external screw thread (15-6-3) away from the second collar flange (15-6-1) section on described the second joint (15-6), between the second external screw thread (15-6-3) and the second collar flange (15-6-1), be provided with the second turret head (15-6-4).
20. DC welder according to claim 19 is characterized in that: the free end of described the first joint (15-1) has sealing conical seat surface (15-1-4); The free end of described the second joint (15-6) has sealing conical seat surface (15-6-5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311823.2A CN103042294B (en) | 2011-10-15 | 2011-10-15 | Direct current welder |
| PCT/CN2012/075118 WO2013053226A1 (en) | 2011-10-15 | 2012-05-07 | Direct current welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311823.2A CN103042294B (en) | 2011-10-15 | 2011-10-15 | Direct current welder |
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| Publication Number | Publication Date |
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| CN103042294A true CN103042294A (en) | 2013-04-17 |
| CN103042294B CN103042294B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110311823.2A Active CN103042294B (en) | 2011-10-15 | 2011-10-15 | Direct current welder |
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| Country | Link |
|---|---|
| CN (1) | CN103042294B (en) |
| WO (1) | WO2013053226A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262894A (en) * | 2017-07-18 | 2017-10-20 | 中国铁道科学研究院金属及化学研究所 | Steel rail flash welding machine with interrupt central shaft |
| CN108453316A (en) * | 2018-05-04 | 2018-08-28 | 西南交通大学 | Suspended automatic pressure-maintaining tumor pushing mechanism |
| CN109940254A (en) * | 2019-04-22 | 2019-06-28 | 中国铁道科学研究院集团有限公司金属及化学研究所 | The operating method of rail flash welding and post weld heat treatment all-in-one machine |
| CN113909659A (en) * | 2021-11-08 | 2022-01-11 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Flash welding device |
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| CN1257768A (en) * | 1998-02-04 | 2000-06-28 | 乌克兰国家科学学会E·O·派顿电子焊接协会 | Welder for flash butt welding steel rail |
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| CN101602138B (en) * | 2009-06-30 | 2011-07-13 | 常州市瑞泰工程机械有限公司 | Steel rail flash welding machine |
| CN201427222Y (en) * | 2009-06-30 | 2010-03-24 | 常州市瑞泰工程机械有限公司 | Pressure-maintaining tumor pushing device |
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| GB1358495A (en) * | 1972-07-12 | 1974-07-03 | Lifshits V S | Machine for continuous flash butt-welding of parts |
| CN1257768A (en) * | 1998-02-04 | 2000-06-28 | 乌克兰国家科学学会E·O·派顿电子焊接协会 | Welder for flash butt welding steel rail |
| CN1806992A (en) * | 2006-01-27 | 2006-07-26 | 王洪军 | Full automatic hydraulic flash butt welding method of metal circular ring chain and apparatus thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262894A (en) * | 2017-07-18 | 2017-10-20 | 中国铁道科学研究院金属及化学研究所 | Steel rail flash welding machine with interrupt central shaft |
| CN107262894B (en) * | 2017-07-18 | 2023-11-03 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Rail flash welder with interrupted central shaft |
| CN108453316A (en) * | 2018-05-04 | 2018-08-28 | 西南交通大学 | Suspended automatic pressure-maintaining tumor pushing mechanism |
| CN108453316B (en) * | 2018-05-04 | 2024-05-03 | 成都西南交通大学产业(集团)有限公司 | Suspension type automatic pressure maintaining tumor pushing mechanism |
| CN109940254A (en) * | 2019-04-22 | 2019-06-28 | 中国铁道科学研究院集团有限公司金属及化学研究所 | The operating method of rail flash welding and post weld heat treatment all-in-one machine |
| CN113909659A (en) * | 2021-11-08 | 2022-01-11 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Flash welding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103042294B (en) | 2014-12-10 |
| WO2013053226A1 (en) | 2013-04-18 |
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