CN212599601U - Flash butt welding machine - Google Patents
Flash butt welding machine Download PDFInfo
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- CN212599601U CN212599601U CN202021059025.6U CN202021059025U CN212599601U CN 212599601 U CN212599601 U CN 212599601U CN 202021059025 U CN202021059025 U CN 202021059025U CN 212599601 U CN212599601 U CN 212599601U
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Abstract
The application discloses flash butt welder for with first work piece and the second work piece welding of waiting to weld, flash butt welder includes: the frame body comprises a first welding seat; the first clamping mechanism is connected with the frame body and used for clamping a first workpiece to be welded between the first clamping mechanism and the first welding seat; the second clamping mechanism comprises a moving seat and a clamping piece, the moving seat is connected with the frame body in a sliding mode and can slide towards the direction close to or far away from the first clamping mechanism, a second welding seat is arranged on the moving seat, the clamping piece is connected with the moving seat, and the clamping piece is used for clamping a second workpiece to be welded between the second workpiece to be welded and the second welding seat; the transmission mechanism comprises a slide rail, and the slide rail penetrates through the movable seat, so that the movable seat can slide towards the direction close to or far away from the first clamping mechanism. The application provides a flash of light butt welder, second fixture's removal seat adopts sliding rail connection with the support body for the stroke that removes the seat can be accurate control, also conveniently transmits the upset power simultaneously, has promoted welding precision.
Description
Technical Field
The application relates to the technical field of welding equipment, in particular to a flash butt welding machine.
Background
The flash butt welding machine has two types of continuous flash butt welding and preheating flash butt welding. The former has been welded to have only a flash butt and upset stage, the latter having a preheating stage between successive flash butt welds. The flash butt welding mainly utilizes the heat generated by the butt contact resistance of the workpiece to heat the workpiece, the metal surface is melted, the temperature gradient is large, and the heat affected zone is small. The welding seam is formed into common crystal grains under the condition that the workpiece opposite solid phase metal generates plastic denaturation. The weld structure and the components are close to those of basic metal (or are subjected to heat treatment), and equal-strength plastic welded joints are relatively easy to obtain. The flash process has the self-protection function of exhausting air and reducing metal oxidation. Upset forging also displaces oxides with the liquid metal out of the weld. The defects of inclusion, incomplete penetration and the like of the welding line are less. The flash process has a strong self-adjusting function, the requirement on strict keeping of standard consistency is low, and the welding quality is stable. The unit welding cross section area needs small electric power, and the welding of the low-carbon steel only needs (0.1-0.3) KVA/mm2 electric power. The welding productivity is high, and only a few seconds to a few tens of seconds are needed for welding one joint. The welding has wide application range, and metal materials which can be forged can be welded by flash butt welding in principle. Non-ferrous metals and alloys such as low carbon steel, high carbon steel, alloy steel, stainless steel, etc. can be flash butt welded. The welding cross section area is wide, and the welding cross section area can be generally welded from dozens of mm to tens of thousands of mm 2. Flash butt welding is widely applied to welding various plates, pipe fittings, sectional materials, solid parts, cutters and the like, is very widely applied, and is an economic and efficient welding method.
The existing high-precision flash butt welding machine is generally fixed on the ground through bolts, and the method has the following problems: because the installation position on the flash butt welding machine is fixed and unchangeable, when meeting different section bars, be difficult to the location or the welding interface does not to be flat, cause rework or welding quality low grade problem thereby reduced work efficiency again. Meanwhile, the process of providing the upsetting force by the existing flash butt welding machine during welding is not stable enough, so that the upsetting force is difficult to control.
SUMMERY OF THE UTILITY MODEL
The application provides a flash butt welding machine, can be convenient for conveniently provide the upset power.
According to an aspect of the present application, there is provided a flash butt welder for welding a first workpiece to be welded and a second workpiece to be welded, the flash butt welder including:
the frame body comprises a first welding seat;
the first clamping mechanism is connected with the frame body and used for clamping the first workpiece to be welded between the first workpiece to be welded and the first welding seat;
the second clamping mechanism comprises a moving seat and a clamping piece, the moving seat is connected with the frame body in a sliding mode and can slide towards the direction close to or far away from the first clamping mechanism, a second welding seat is arranged on the moving seat, the clamping piece is connected with the moving seat, and the clamping piece is used for clamping the second workpiece to be welded between the second workpiece to be welded and the second welding seat;
and the transmission mechanism comprises a slide rail, and the slide rail penetrates through the movable seat, so that the movable seat can slide towards the direction close to or far away from the first clamping mechanism.
According to some embodiments, the transmission mechanism includes four sliding rails, two sliding rails are disposed on one side of the movable base, and the other two sliding rails are disposed on the other side of the movable base.
According to some embodiments, the flash butt welder further comprises a driving device connected with the frame body and the second clamping mechanism and configured to move the movable base towards or away from the first clamping mechanism.
According to some embodiments, the driving device is a hydraulic cylinder, one end of the hydraulic cylinder is connected with the frame body, and the other end of the hydraulic cylinder is connected with the movable base.
According to some embodiments, the first clamping mechanism is hinged to the frame body, and the first clamping head is configured to be rotatable to clamp the first workpiece to be welded between the first clamping head and the first welding seat.
According to some embodiments, the flash butt welder further comprises:
the first clamping mechanism further comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the frame body, the other end of the hydraulic cylinder is connected with the first clamping mechanism, and the hydraulic cylinder connected with the first clamping mechanism is configured to be used for driving the first clamping mechanism to rotate relative to the frame body.
According to some embodiments, the first gripper mechanism comprises a first articulated end, the first gripper head is arranged on one side of the first articulated end, and a hydraulic cylinder connected with the first gripper mechanism is connected to the other side of the first gripper mechanism at the first articulated end.
According to some embodiments, the clamping member is hinged to the moving seat and the second clamping head is configured to be rotatable to clamp the second work piece to be welded between it and the second welding seat.
According to some embodiments, the second clamping mechanism further comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the movable base, the other end of the hydraulic cylinder is connected with the clamping piece, and the hydraulic cylinder connected with the second clamping mechanism is configured to drive the clamping piece to rotate relative to the movable base.
According to some embodiments, the gripper comprises a second articulated end, the second gripper head is arranged on one side of the second articulated end, and a hydraulic cylinder connected to the second gripper mechanism is connected to the other side of the gripper at the second articulated end.
The application provides a flash of light butt welder adopts a fixture to be fixed in the support body among this flash of light butt welder, the gliding structure of the relative support body of another fixture, and the removal seat of second fixture adopts sliding rail connection with the support body for the stroke that removes the seat can be accurate control, also conveniently transmits the upset power simultaneously, has promoted welding precision. In particular, the flash butt welding machine can be used for welding reinforcing steel bars, and compared with the flash butt welding machine in the prior art, the flash butt welding machine has the advantages of higher welding quality and higher welding efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a flash butt welder in an embodiment provided herein, wherein a shielding plate is located at a first working section of a slide rail;
FIG. 2 is a schematic perspective view of a flash butt welder in an embodiment provided herein, wherein a shielding plate is located at a second working section of the slide rail;
FIG. 3 is a schematic perspective view of a flash butt welder in an embodiment provided herein, wherein the work piece to be welded is unclamped;
FIG. 4 is a schematic front view of a flash butt welder in an embodiment provided herein, wherein the work piece to be welded is unclamped and the movable mount is on the right side;
FIG. 5 is a schematic front view of a flash butt welder in an embodiment provided herein, wherein the work piece to be welded is unclamped and the movable mount is to the left;
FIG. 6 is an enlarged partial schematic view of FIG. 3;
FIG. 7 is a first perspective view of a shield assembly in one embodiment provided herein;
FIG. 8 is a second perspective view of a shield assembly in one embodiment provided herein;
FIG. 9 is a first exploded view of the shield assembly in one embodiment provided herein;
fig. 10 is a second exploded view of the shield assembly in one embodiment provided herein.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Flash butt welding is widely used for longitudinal connection of reinforcing steel bars and welding of prestressed reinforcing steel bars and screw end rods. The principle of flash butt welding of steel bars is to use a butt welding machine to make the steel bars at two ends contact, and after the steel bars are heated to a certain temperature and become soft by a low-voltage strong current, axial pressure upsetting is carried out to form a butt welding joint. The steel bar flash butt welding process commonly uses continuous flash welding, preheating flash welding and flash-preheating-flash welding. The IV-grade steel bars are also subjected to electric current heat treatment after welding.
The flash butt welding mainly utilizes the heat generated by the butt contact resistance of the workpiece to heat the workpiece, the metal surface is melted, the temperature gradient is large, and the heat affected zone is small. The welding seam is formed into common crystal grains under the condition that the workpiece opposite solid phase metal generates plastic denaturation. The weld structure and the components are close to those of basic metal (or are subjected to heat treatment), and equal-strength plastic welded joints are relatively easy to obtain. The flash process has the self-protection function of exhausting air and reducing metal oxidation. Upset forging also displaces oxides with the liquid metal out of the weld. The defects of inclusion, incomplete penetration and the like of the welding line are less. The flash process has a strong self-adjusting function, the requirement on strict keeping of standard consistency is low, and the welding quality is stable.
The unit welding cross section area needs small electric power, and the welding of the low-carbon steel only needs (0.1-0.3) KVA/mm2 electric power. The welding productivity is high, and only a few seconds to a few tens of seconds are needed for welding one joint. The welding has wide application range, and metal materials which can be forged can be welded by flash butt welding in principle. Non-ferrous metals and alloys such as low carbon steel, high carbon steel, alloy steel, stainless steel, etc. can be flash butt welded. The welding cross section area is wide, and the welding cross section area can be generally welded from dozens of mm to tens of thousands of mm 2. Flash butt welding is widely applied to welding various plates, pipe fittings, sectional materials, solid parts, cutters and the like, is very widely applied, and is an economic and efficient welding method.
As shown in fig. 1 to 6, the present application provides a flash butt welder 10 for welding together a first workpiece to be welded and a second workpiece to be welded. In particular, the first workpiece to be welded and the second workpiece to be welded may be two independent parts (for example, the first workpiece to be welded and the second workpiece to be welded may be two reinforcing steel bars, steel plates, or steel pipes, etc. which need to be welded integrally), or both of them may be a complete part, for example, when an annular workpiece needs to be welded end to end, one end of the annular workpiece is referred to as the first workpiece to be welded, and the other end is referred to as the second workpiece to be welded.
Specifically, the flash butt welder 10 includes a frame 100, a first clamping mechanism 200, and a second clamping mechanism 300. The frame body 100 includes a first welding seat 510, the first welding seat 510 is used for transmitting welding current, and specifically, the first welding seat 510 is connected with one end of a secondary coil of a welding transformer.
The first clamping mechanism 200 is hinged to the frame 100, i.e. the first clamping mechanism 200 can rotate relative to the frame 100. In this embodiment, the first clamping mechanism 200 may be a lever structure, the middle portion of the first clamping mechanism 200 is hinged to the frame body 100, and both ends of the first clamping mechanism 200 can rotate relative to the frame body 100. The first clamping mechanism 200 includes a first clamping head 210, and the first clamping head 210 is configured to rotate relative to the frame 100 to clamp the first workpiece to be welded between the first clamping head and the first welding seat 510. That is, the first workpiece to be welded is clamped by rotating the first clamping mechanism 200 in this embodiment.
The second clamping mechanism 300 includes a movable base 320 and a clamping member 310. The movable base 320 is slidably connected to the frame 100 and configured to slide toward or away from the first clamping mechanism 200. Specifically, the moving base 320 may be connected to the frame body 100 by a sliding rail sliding groove, that is, a sliding groove is formed on the frame body 100, and a protruding sliding rail is formed on the moving base 320, so that the moving base 320 can freely slide along the length direction of the sliding groove. In this embodiment, the frame body 100 is further provided with a transmission mechanism 700, the transmission mechanism 700 includes a slide rail, and the slide rail penetrates through the moving base 320, so that the moving base 320 can slide toward a direction close to or away from the first clamping mechanism 200.
The second soldering socket 520 is disposed on the movable socket 320, the second soldering socket 520 is used for transmitting a soldering current, and specifically, the second soldering socket 520 is connected to the other end of the secondary coil of the soldering transformer. When the first soldering nest 510 and the second soldering nest 520 are connected, the soldering operation can be performed. Therefore, when the first welding seat 510 is connected to the first member to be welded, the second welding seat 520 is connected to the second member to be welded, and the first member to be welded and the second member to be welded are connected, the first member to be welded and the second member to be welded are welded. When the first workpiece to be welded and the second workpiece to be welded are just in contact, contact surfaces of the first workpiece to be welded and the second workpiece to be welded are provided with partial convex points, the convex points of the first workpiece to be welded and the second workpiece to be welded are melted by welding current and generate spark debris, and the moving seat 320 is continuously close to the first clamping mechanism 200 in the welding process of the first workpiece to be welded and the second workpiece to be welded, so that welding parts of the first workpiece to be welded and the second workpiece to be welded are mutually extruded to form a protrusion.
The clamping member 310 is hinged to the movable base 320, and both ends thereof are rotatable with respect to the movable base 320. The clamping member 310 includes a second clamping head 311, and the second clamping head 311 is configured to rotate relative to the frame body 100 to clamp the second workpiece to be welded between the second clamping head and the movable base 320. I.e. in this embodiment the second work piece to be welded is clamped by rotating the clamping member 310. After the clamping member 310 clamps the second workpiece to be welded, the second clamping structure is pushed to approach the first clamping mechanism 200, so that the first workpiece to be welded and the second workpiece to be welded can be connected, and the first workpiece to be welded and the second workpiece to be welded can be welded. Of course, when welding the first workpiece to be welded and the second workpiece to be welded, the first workpiece to be welded and the second workpiece to be welded may be appropriately preheated. To accomplish this, the flash butt welder 10 may also be provided with a heating device (of course, in other embodiments, the welding current and the reverse heating may be used directly), and the heating device is used to heat the first workpiece to be welded and the second workpiece to be welded before welding them, so as to facilitate the welding process. During the welding operation, the movable base 320 is continuously pushed to be close to the first clamping mechanism 200, so as to provide corresponding upsetting pressure.
The first clamping mechanism 200 further comprises a first hydraulic cylinder, one end of the first hydraulic cylinder is connected with the frame body 100, and the other end of the first hydraulic cylinder is connected with the first clamping mechanism 200. The first hydraulic cylinder is configured to drive the first clamping mechanism 200 to rotate relative to the frame 100. Also, the first clamping mechanism 200 includes a first hinged end 220, the first clamping head 210 is disposed at one side of the first hinged end 220, and the first hydraulic cylinder is connected to the other side of the first clamping mechanism 200 at the first hinged end 220. That is, the first hydraulic cylinder and the first clamping head 210 are respectively located at both sides of the first hinged end 220. When the first hydraulic cylinder extends, the first clamping head 210 performs a clamping action, and when the first hydraulic cylinder shortens, the first clamping head 210 is away from the first welding seat 510.
Similarly, the second clamping mechanism 300 further comprises a second hydraulic cylinder having one end connected to the movable base 320 and the other end connected to the clamping member 310, the second hydraulic cylinder being configured to drive the clamping member 310 to rotate relative to the movable base 320. And, the clamping member 310 includes a second hinge end, the second clamping head 311 is disposed at one side of the second hinge end, and the second hydraulic cylinder is connected to the other side of the clamping member 310 at the second hinge end. That is, the second hydraulic cylinder and the second clamping head 311 are respectively located at two sides of the second hinged end. When the second hydraulic cylinder is extended, the second clamping head 311 performs a clamping operation, and when the second hydraulic cylinder is shortened, the second clamping head 311 is far away from the second welding seat 520.
In order to be able to push the second clamping mechanism 300 away from or close to the first clamping mechanism 200, the flash butt welder 10 further includes a driving device 400, wherein the driving device 400 is connected to the frame body 100 and the second clamping mechanism 300 and configured to drive the movable base 320 to move toward or away from the first clamping mechanism 200. Specifically, the driving device 400 includes a third hydraulic cylinder, one end of which is connected to the frame body 100 and the other end of which is connected to the movable base 320. When the third hydraulic cylinder extends, the second clamping mechanism moves in a direction closer to the first clamping mechanism 200 to provide the upsetting force. When the third hydraulic cylinder is shortened, the second gripper mechanism 300 is separated from the first gripper mechanism 200.
In one embodiment, the first clamping mechanism 200 includes a first pressing member 230, the first pressing member 230 is connected to the first clamping head 210, and the first pressing member 230 is used for contacting and pressing with the first workpiece to be welded. The first pressing member 230 is detachably connected to the first clamping head 210, so that the first pressing member 230 can be replaced when worn.
Similarly, the second clamping mechanism 300 includes a second pressing element 312, the second pressing element 312 is connected to the second clamping head 311, and the second pressing element 312 is used for contacting and pressing with the second workpiece to be welded. The second pressing element 312 is detachably connected to the second clamping head 311, so that the second pressing element 312 can be replaced when worn.
The flash butt welder 10 can generate spark debris during welding, which can present a safety hazard. To reduce this concern, the present application further provides a shield assembly 600 for a flash butt welder 10, as shown in fig. 7-10. The guard assembly 600 includes a guard plate and a slide rail device. The guard plate is used to block spark debris. The slide rail arrangement is adapted to be secured to a flash butt welder 10. The slide rail device includes a slide rail 650, and the protection plate is connected to the slide rail 650, and the slide rail 650 includes a first working section and a second working section connected to the first working section, and the protection plate is configured to be slidable between the first working section and the second working section along a length direction of the slide rail 650. Wherein the slide rail 650 is configured to be installed on the flash butt welder 10 and to make the guard plate be used for the separation of flying chips when the guard plate is in the first working section, and to make the guard plate be outside the position of separation of flying chips when the guard plate is in the second working section. When protection component 600 in this embodiment works promptly, can slide the guard plate to the first working segment of slide rail 650, when protection component 600 was out of work, can slide the guard plate to the second working segment of slide rail 650, can make things convenient for the staff's installation to treat welded work piece like this.
Specifically, the shielding plate may include a first plate body 610 and a second plate body 620. The first plate 610 is connected to the slide rail 650, and is disposed parallel to the length direction of the slide rail 650. The second plate body 620 is disposed parallel to the length direction of the slide rail 650, the first plate body 610 is connected to the side of the second plate body 620 parallel to the length direction of the slide rail 650, the second plate body 620 is not parallel to the first plate body 610, and the included angle between the first plate body 610 and the second plate body 620 is between 90 degrees and 180 degrees. The second plate body 620 is provided to prevent the spark debris from being splashed upward. First plate 610 and second plate 620 may be formed by bending a complete plate or by welding two separate plates.
The sliding rail 650 is connected to a side of the first plate body 610, and the second plate body 620 is disposed facing the sliding rail 650. The protection plate further comprises a connector 640 and a connecting plate 630, wherein the connector 640 is connected with the slide rail 650 and is configured to slide along the length direction of the slide rail 650. One side of the connection plate 630 is connected to the connection member 640, and the other side is connected to one side of the first plate body 610.
In order to stabilize the positioning of the protection plate, the cross section of the sliding rail 650 may be rectangular in one embodiment, in this embodiment, the number of the sliding rails 650 is two, the two sliding rails 650 are arranged in parallel, and the connecting member 640 connects the two sliding rails 650 at the same time.
Similarly, the number of the connecting members 640 may be two, and the two connecting members 640 are respectively connected to the two sliding rails 650 at the same time.
To facilitate movement of the guard plate, in one embodiment, the guard assembly 600 further includes a handle 670, and the handle 670 is disposed on a side of the first plate 610 facing away from the slide rail 650.
The slide rail device further comprises two supports 660, the two supports 660 are respectively and correspondingly connected to the two ends of the slide rail 650, and the two supports 660 are used for connecting the flash butt welding machine 10.
In order to make the edges of the first plate body 610 and the second plate body 620 not easily scratch the skin of the operator, in one embodiment, both sides of the first plate body 610 along the length direction of the sliding rail 650 are provided with bending edges bending towards the direction of the sliding rail 650. Similarly, the second plate 620 is provided with bending edges at both sides along the length direction of the slide rail 650, and the bending edges are bent towards the direction of the slide rail 650.
The second aspect of the present application also provides a flash butt welder 10, the flash butt welder 10 comprising a guard assembly 600 of any of the embodiments described above. The flash butt welder 10 can be used for welding reinforcing steel bars, and has higher welding quality and higher welding efficiency compared with the prior art.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A flash butt welder for welding a first workpiece to be welded and a second workpiece to be welded, comprising:
the frame body comprises a first welding seat;
the first clamping mechanism is connected with the frame body and used for clamping the first workpiece to be welded between the first workpiece to be welded and the first welding seat, and the first clamping mechanism comprises a first clamping head;
the second clamping mechanism comprises a moving seat and a clamping piece, the moving seat is connected with the frame body in a sliding mode and is configured to slide towards a direction close to or far away from the first clamping mechanism, a second welding seat is arranged on the moving seat, the clamping piece is connected with the moving seat, the clamping piece is used for clamping the second workpiece to be welded between the second workpiece to be welded and the second welding seat, and the second clamping mechanism comprises a second clamping head;
and the transmission mechanism comprises a slide rail, and the slide rail penetrates through the movable seat, so that the movable seat can slide towards the direction close to or far away from the first clamping mechanism.
2. Flash butt welder according to claim 1,
the transmission mechanism comprises four slide rails, two slide rails are arranged on one side of the movable seat, and the other two slide rails are arranged on the other side of the movable seat.
3. Flash butt welder according to claim 2,
the flash butt welding machine further comprises a driving device, wherein the driving device is connected with the frame body and the second clamping mechanism and is configured to enable the movable seat to move towards a direction close to or far away from the first clamping mechanism.
4. A flash butt welder according to claim 3,
the driving device is a hydraulic cylinder, one end of the hydraulic cylinder is connected with the frame body, and the other end of the hydraulic cylinder is connected with the moving seat.
5. Flash butt welder according to claim 4,
the first clamping mechanism is hinged to the frame body, and the first clamping head is configured to rotate to clamp the first workpiece to be welded between the first clamping mechanism and the first welding seat.
6. A flash butt welder according to claim 5, characterized in that it further comprises:
the first clamping mechanism further comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the frame body, the other end of the hydraulic cylinder is connected with the first clamping mechanism, and the hydraulic cylinder connected with the first clamping mechanism is configured to be used for driving the first clamping mechanism to rotate relative to the frame body.
7. Flash butt welder according to claim 6,
the first clamping mechanism comprises a first hinged end, the first clamping head is arranged on one side of the first hinged end, and a hydraulic cylinder connected with the first clamping mechanism is connected to the other side, located on the first hinged end, of the first clamping mechanism.
8. Flash butt welder according to claim 7,
the clamping piece is hinged with the moving seat, and the second clamping head is configured to be rotatable to clamp the second workpiece to be welded between the second clamping head and the second welding seat.
9. Flash butt welder according to claim 8,
the second clamping mechanism further comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the moving seat, the other end of the hydraulic cylinder is connected with the clamping piece, and the hydraulic cylinder connected with the second clamping mechanism is configured to drive the clamping piece to rotate relative to the moving seat.
10. Flash butt welder according to claim 9,
the clamping piece comprises a second hinged end, the second clamping head is arranged on one side of the second hinged end, and a hydraulic cylinder connected with the second clamping mechanism is connected to the other side, located on the second hinged end, of the clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059025.6U CN212599601U (en) | 2020-06-11 | 2020-06-11 | Flash butt welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021059025.6U CN212599601U (en) | 2020-06-11 | 2020-06-11 | Flash butt welding machine |
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| CN212599601U true CN212599601U (en) | 2021-02-26 |
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| CN202021059025.6U Active CN212599601U (en) | 2020-06-11 | 2020-06-11 | Flash butt welding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042869A (en) * | 2021-03-31 | 2021-06-29 | 苏州安嘉自动化设备有限公司 | Large pull rod vertical clamping type flash butt welding machine |
| CN115488481A (en) * | 2022-11-03 | 2022-12-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing width of spheroidizing annealing zone of hypereutectoid steel rail joint |
-
2020
- 2020-06-11 CN CN202021059025.6U patent/CN212599601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042869A (en) * | 2021-03-31 | 2021-06-29 | 苏州安嘉自动化设备有限公司 | Large pull rod vertical clamping type flash butt welding machine |
| CN115488481A (en) * | 2022-11-03 | 2022-12-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing width of spheroidizing annealing zone of hypereutectoid steel rail joint |
| CN115488481B (en) * | 2022-11-03 | 2024-03-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing width of spheroidizing annealing zone of hypereutectoid steel rail joint |
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