CN107262894B - Rail flash welder with interrupted central shaft - Google Patents
Rail flash welder with interrupted central shaft Download PDFInfo
- Publication number
- CN107262894B CN107262894B CN201710585115.5A CN201710585115A CN107262894B CN 107262894 B CN107262894 B CN 107262894B CN 201710585115 A CN201710585115 A CN 201710585115A CN 107262894 B CN107262894 B CN 107262894B
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- shaft
- frame
- movable frame
- central shaft
- rail flash
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- 230000003068 static effect Effects 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 25
- 239000003921 oil Substances 0.000 claims description 25
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
Classifications
-
- 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
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- 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
- B23K11/046—Apparatus therefor
-
- 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
- B23K11/36—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a steel rail flash welder with an interrupted central shaft, which comprises: the movable frame and the static frame respectively cross over the positions, close to the welding sections, of the two steel rails to be welded along the width direction of the steel rails, are connected through an upsetting shaft and can move towards the static frame along the upsetting shaft; the first clamping device is connected with the movable frame to drive the movable frame to open and close around a first central shaft; the second clamping device is connected with the static frame to drive the static frame to open and close around a second central shaft; and the control device is respectively connected with the upsetting shaft, the first clamping device and the second clamping device to control the action of the steel rail flash welding machine. The steel rail flash welding machine adopts the interrupted central shaft, so that a larger space can be reserved between the movable frame and the static frame for installing other equipment, and the problem that the central shaft is seriously splashed is avoided.
Description
Technical Field
The present invention relates to a rail flash welder and, more particularly, to a rail flash welder having an interrupted center axis.
Background
At present, a large-scale seamless line is paved in China, and a corresponding large number of suspension type steel rail flash welding machines are matched, all the welding machines adopt three-shaft type welding machine structures, the structure realizes the clamping of steel rails by utilizing the traditional crab type clamping and amplifying technology, and the steel rails are driven to approach to a static frame by a movable frame. However, with the progress of technology, the need for reducing the complexity of construction work is becoming more and more intense. For flash welding, the welding and heat treatment working procedures are urgently needed to be combined into a whole, so that the working procedures are simplified, the repeated workload is reduced, and the working quality is improved; the work skylight is utilized to the greatest extent to carry out parallel work; there is an urgent need to reduce the application cost of the device and ensure maintainability of the device.
The existing suspension type steel rail flash welding machine adopts a structure that a movable frame and a static frame are separated, the movable frame drives a steel rail to approach the static frame, and then the welding process is realized. However, this structure has some problems including:
1. the space between the central shaft and the upsetting shaft is small, so that the difficulty is caused to install other equipment, and the equipment with large volume and high complexity cannot be placed between the central shaft and the upsetting shaft;
2. the mutual structural relationship between the central shaft and the upsetting shaft makes any other operation on the welded joint in the middle very difficult, such as joint area cleaning, protective coating and the like;
3. the central shaft is positioned right above the welding joint, belongs to one of the areas with the largest splashing amount, has high protection requirement, and is easy to cause the surface to be not smooth due to splashing, thereby influencing the service life of equipment;
4. the central shaft is used as the rotation center of the whole machine, and the rigidity of the central shaft is required to be ensured to be increased by only increasing the diameter, so that the space under the shaft is narrower, and the operation is difficult.
Disclosure of Invention
In order to solve the technical problems, the invention provides a steel rail flash welder with an interrupted central shaft, which comprises:
the movable frame and the static frame respectively cross over the positions, close to the welding sections, of the two steel rails to be welded along the width direction of the steel rails, are connected through an upsetting shaft and can move towards the static frame along the upsetting shaft;
the first clamping device is connected with the movable frame to drive the movable frame to open and close around a first central shaft;
the second clamping device is connected with the static frame to drive the static frame to open and close around a second central shaft; and
and the control device is respectively connected with the upsetting shaft, the first clamping device and the second clamping device to control the action of the steel rail flash welding machine.
In one embodiment of the invention, the first central shaft passes through the central hole of the movable frame, and one end of the first central shaft is connected to the first clamping device by a connecting piece,
a second central shaft passing through the central hole of the static frame, and one end of the second central shaft being connected to the second clamping device by a connecting piece, and
the first central shaft and the second central shaft are spaced apart at opposite ends thereof.
In one embodiment of the invention, the first and second central shafts are fixed to the movable and stationary frames, respectively, by end fixing blocks and shaft end stops.
In one embodiment of the invention, the first central axis and the second central axis are spaced apart from one another by a distance of between 40mm and 400 mm.
In one embodiment of the invention, the movable frame comprises a front movable frame and a rear movable frame, the stationary frame comprises a front stationary frame and a rear stationary frame, the upsetting shaft comprises a first upsetting shaft and a second upsetting shaft, wherein the first upsetting shaft is connected with the front movable frame and the front stationary frame, and the second upsetting shaft is connected with the rear movable frame and the rear stationary frame.
In one embodiment of the invention, the rail flash welder further comprises:
at least one first auxiliary shaft, one end of each of the at least one first auxiliary shaft is connected with the front movable frame, and the other end of each of the at least one first auxiliary shaft is connected with the front static frame, so that the front movable frame and the front static frame can move along the length direction of the at least one first auxiliary shaft; and
at least one second auxiliary shaft, one end of each of the at least one second auxiliary shaft is connected with the rear movable frame, the other end is connected with the rear static frame, so that the rear movable frame and the rear static frame can move along the length direction of the at least one second auxiliary shaft,
wherein each of the at least one first auxiliary shaft and the at least one second auxiliary shaft is not disposed at the main rotation center.
In one embodiment of the invention, the at least one first auxiliary shaft is 1 and the at least one second auxiliary shaft is 1.
In one embodiment of the invention, the steel rail flash welding machine further comprises a first upsetting oil cylinder and a second upsetting oil cylinder, wherein the first upsetting oil cylinder and the second upsetting oil cylinder are arranged on one side of the static frame far away from the movable frame, the first upsetting oil cylinder is connected with the first upsetting shaft, and the second upsetting oil cylinder is connected with the second upsetting shaft.
In one embodiment of the invention:
the first clamping device comprises:
the first clamping cylinder is provided with a first rodless cavity, a first rod cavity and a first driving rod, wherein the first rodless cavity and the first rod cavity are separated by a movable sliding plate, the first driving rod is arranged in the first rod cavity, and the first rodless cavity and the first rod cavity are respectively connected with an external hydraulic oil source; and
two first clamping links, one end of each of the two first clamping links is connected with the first driving rod, the other end is respectively connected with the front moving frame and the rear moving frame, and
the second clamping device comprises:
the second clamping oil cylinder is provided with a second rodless cavity, a second rod cavity and a second driving rod, wherein the second rodless cavity and the second rod cavity are separated by a movable sliding plate, the second driving rod is arranged in the second rod cavity, and the second rodless cavity and the second rod cavity are respectively connected with an external hydraulic oil source; and
and one end of each of the two second clamping connecting rods is connected with the second driving rod, and the other end of each of the two second clamping connecting rods is respectively connected with the front static frame and the rear static frame.
The steel rail flash welding machine with the interruption type central shaft provided by the invention creates a large space between the movable frame and the static frame by adopting the interruption type central shaft, is convenient for installing other devices such as a welding joint measuring device, a centering device, a heat treatment device, a slag blocking device and the like and carrying out corresponding operation, thereby improving the construction efficiency; meanwhile, the problem that the central shaft is seriously splashed in the prior art is solved by adopting the interruption type central shaft, a long-service-life and complex central shaft insulation mechanism is not required to be arranged, the service life of equipment is prolonged, and the maintenance cost and the manufacturing cost of the equipment are reduced; in addition, when the broken central shaft is used, two or more auxiliary shafts are added, so that the guidance performance of the movable frame and the static frame in mutual movement can be ensured, the rigidity of the equipment can be ensured, and the welding quality is further ensured.
Drawings
FIG. 1 is a schematic diagram of a rail flash welder with an interrupted center axis according to an exemplary embodiment of the present invention; and
fig. 2A-2C are schematic structural views of an interrupted center axis according to an exemplary embodiment of the present invention.
Detailed Description
Illustrative, non-limiting embodiments of the present invention are described in detail below with reference to the accompanying drawings, which further illustrate a rail flash welder having an interrupted center axis according to the present invention.
Referring to fig. 1, the disclosed rail flash welder with an interrupted center shaft includes a movable frame 1, a stationary frame 2, an upset shaft, a first clamping device, a second clamping device, and a control device.
The movable frame 1 and the static frame 2 respectively span the positions, close to the welding sections, of the two steel rails to be welded along the width direction of the steel rails, and the movable frame 1 and the static frame 2 are connected through upsetting shafts, so that the movable frame 1 can move towards the static frame 2 through upsetting shafts. The first clamping means is connected to the movable frame 1 to drive the movable frame 1 to open and close about the first central axis 11. The second clamping means is connected to the static frame 2 to drive the static frame 2 to open and close about the second central axis 12. Thus, the flash welding machine disclosed by the invention uses two interruption type central shafts to replace the original central shafts penetrating through the movable frame 1 and the static frame 2, so that a large space is created above a welding joint and between the movable frame 1 and the static frame 2, a joint measuring device, a centering device, a heat treatment device and a slag blocking device are convenient to install and perform corresponding operation, and the construction efficiency is improved; meanwhile, the problem that the central shaft is seriously splashed in the prior art is solved by adopting the interruption type central shaft, a long-service-life and complex central shaft insulation mechanism is not required to be arranged, the service life of equipment is prolonged, and the maintenance cost and the manufacturing cost of the equipment are reduced.
In one embodiment of the invention, the first central shaft 11 passes through the central hole of the movable frame and is connected at one end to the first clamping means by a connection; the second central shaft 12 passes through the central hole of the static frame and is connected at one end to the second clamping means by a connecting piece. And, the first central shaft 11 and the second central shaft 12 are spaced apart from each other at opposite ends thereof. Preferably, the first central axis 11 and the second central axis 12 are spaced apart from each other at a distance of between 40mm and 400mm at their ends opposite to each other.
The first center axis 11 and the second center axis 12 disclosed in the present invention are described below with reference to fig. 2A to 2C. Since the first central axis 11 and the second central axis 12 have the same structure, only the first central axis 11 will be described in detail below as an example. One end of the first central shaft 11 has a central shaft pin hole 11.1, and a fixing pin passes through the shaft pin hole 11.1 and is transferred into a first clamping device (for example, a base of a first clamping cylinder) to fix the first central shaft 11 and the first clamping device to each other. At the same time, the one end of the first central shaft 11 is connected to the movable frame 1 by means of the fixing block 11.2 and the shaft end stop 11.3 by means of the ends, so as to provide a stable connection.
With continued reference to fig. 1, the movable frame 1 comprises a front movable frame 1.1 and a rear movable frame 1.2, the static frame 2 comprises a front static frame 2.1 and a rear static frame 2.2, and the upsetting shaft comprises a first upsetting shaft 3 and a second upsetting shaft 4, wherein the first upsetting shaft 3 is connected with the front movable frame 1.1 and the front static frame 2.1, and the second upsetting shaft 4 is connected with the rear movable frame 1.2 and the rear static frame 2.2, so that the front movable frame 1.1 and the rear movable frame 1.2 can synchronously move towards the static frame 2 along the first upsetting shaft 3 and the second upsetting shaft 4 respectively. In one embodiment of the invention, the steel rail flash welding machine further comprises a first upsetting oil cylinder 7 and a second upsetting oil cylinder 8, wherein the first upsetting oil cylinder 7 and the second upsetting oil cylinder 8 are arranged on one side of the static frame 2 away from the movable frame 1, the first upsetting oil cylinder is connected with the first upsetting shaft 3, and the second upsetting oil cylinder 8 is connected with the second upsetting shaft 4. Thus, the first and second upsetting shafts 3 and 4 are contracted and extended, respectively, by the driving of the first and second upsetting cylinders 7 and 8, thereby driving the movement of the movable frame 1.
In one embodiment, the rail flash welder further comprises at least one first auxiliary shaft 5 and at least one second auxiliary shaft 6, and each of the at least one first auxiliary shaft 5 and the at least one second auxiliary shaft 6 is not disposed at the primary center of rotation. When the at least one first auxiliary shaft 5 is plural, one end of each of the plural first auxiliary shafts 5 is connected to the front movable frame 1.1 and the other end is connected to the front stationary frame 2.1 so that the front movable frame 1.1 and the front stationary frame 2.1 can move along the length direction of each of the plural first auxiliary shafts 5. When the at least one second auxiliary shaft 6 is plural, one end of each of the plural second auxiliary shafts 6 is connected to the rear movable frame 1.2 and the other end is connected to the rear stationary frame 2.2 so that the rear movable frame 1.2 and the rear stationary frame 2.2 can move along the length direction of each of the plural second auxiliary shafts 6. Preferably, the number of the at least one first auxiliary shaft 5 is 1, and the number of the at least one second auxiliary shaft 6 is 1. Since the present invention adopts the interrupted center shaft, that is, the first center shaft 11 and the second center shaft 12 are respectively adopted on the movable frame 1 side and the stationary frame 2 side, the first center shaft 11 and the second center shaft 12 do not have guiding use, but only rotation effect. The mode of arranging at least one first auxiliary shaft 5 and at least one second auxiliary shaft 6 at other rotation cooperative positions outside the main rotation center can be used as a guiding device of the movable frame 1 and the static frame 2, the rigidity of equipment can be ensured, and the welding quality of the joint is further ensured.
Referring to fig. 1, the first clamping means includes a first clamping cylinder 9 and two first clamping links 13. The first clamping cylinder 9 comprises a first rodless cavity, a first rod cavity and a first driving rod, wherein the first rodless cavity and the first rod cavity are separated through a movable sliding plate, the first driving rod is arranged in the first rod cavity, and the first rodless cavity and the first rod cavity are respectively connected with an external hydraulic oil source. One end of each of the two first clamping links 13 is connected to the first drive rod and the other end is connected to the front and rear movable frames 1.1 and 1.2, respectively. Thus, when the movable frame 1 clamps the steel rail to be welded, the first rod cavity is filled with oil, the first driving rod is retracted, and the two first clamping connecting rods 13 are driven to move downwards so as to push the front movable frame 1.1 and the rear movable frame 1.2 to clamp the steel rail; when the movable frame 1 is separated from the steel rail, the first rodless cavity is filled with oil, the first driving rod stretches out to drive the first clamping connecting rod 13 to move upwards, so that the front movable frame 1.1 and the rear movable frame 1.2 rotate around the first interrupt shaft, and are separated from the steel rail. The second clamping means comprises a second clamping cylinder 10 and two second clamping links 14. The second clamping cylinder 10 comprises a second rodless cavity, a second rod cavity and a second driving rod, wherein the second rodless cavity and the second rod cavity are separated by a movable sliding plate, the second driving rod is arranged in the second rod cavity, and the second rodless cavity and the second cylinder cavity are respectively connected with an external hydraulic oil source. One end of each of the two second clamping links 14 is connected to the second drive rod and the other end is connected to the front and rear static frames 2.1, 2.2, respectively. Thus, when the static frame 2 clamps the steel rail to be welded, the second rod cavity is filled with oil, the second driving rod is retracted, and the two second clamping connecting rods 14 are driven to move downwards so as to push the front static frame 2.1 and the rear static frame 2.2 to clamp the steel rail; when the static frame 2 is separated from the steel rail, the second rodless cavity is filled with oil, the second driving rod stretches out to drive the second clamping connecting rod 14 to move upwards, so that the front static frame 2.1 and the rear static frame 2.2 rotate around the second interrupt shaft, and are separated from the steel rail.
The working flow of the steel rail flash welder with the interrupted central shaft disclosed by the invention is described below with reference to fig. 1: under the control of the control device, the first rod cavity and the second rod cavity are filled with oil, the first driving rod and the second driving rod are respectively driven to retract, the first clamping connecting rod 13 and the second clamping connecting rod 14 are driven to move downwards, the front movable frame 1.1 and the rear movable frame 1.2 rotate around a first interrupt shaft to clamp a steel rail to be welded, and the front static frame 2.1 and the rear static frame 2.2 rotate around a second interrupt shaft to clamp the steel rail to be welded; starting a first upsetting oil cylinder 7 and a second upsetting oil cylinder 8, wherein the first upsetting oil cylinder 7 and the second upsetting oil cylinder 8 respectively drive the first upsetting shaft 3 and the second upsetting shaft 4 to shrink so as to enable the movable frame 1 to move towards the static frame 2, and the first auxiliary shaft 5 and the second auxiliary shaft 6 play a role in guiding; after the upsetting is finished, the welding joint can be correspondingly operated by using equipment such as a joint measuring device, a centering device, a heat treatment device, a slag blocking device and the like; after the operation is finished, under the control of the control device, the first rodless cavity and the second rodless cavity are filled with oil, the first driving rod and the second driving rod are respectively driven to extend, and then the first clamping connecting rod 13 and the second clamping connecting rod 14 are driven to move upwards, so that the front movable frame 1.1 and the rear movable frame 1.2 rotate around the first central shaft 11, the front static frame 2.1 and the rear static frame 2.2 rotate around the second central shaft 12, and the movable frame 1 and the static frame 2 are respectively separated from steel rails.
Claims (8)
1. A rail flash welder having an interrupted center axis, wherein the rail flash welder comprises:
the movable frame and the static frame respectively cross at the positions, close to the welding sections, of the two steel rails to be welded along the width direction of the steel rails, are connected through an upsetting shaft, and can move towards the static frame along the upsetting shaft;
the first clamping device is connected with the movable frame to drive the movable frame to open and close around a first central shaft;
the second clamping device is connected with the static frame to drive the static frame to open and close around a second central shaft;
the first central shaft passes through the central hole of the movable frame, and one end of the first central shaft is connected to the first clamping device through a connecting piece;
the second central shaft passes through the central hole of the static frame, and one end of the second central shaft is connected to the second clamping device through a connecting piece; and
the first central shaft is spaced from one end of the second central shaft opposite to each other; and
and the control device is respectively connected with the upsetting shaft, the first clamping device and the second clamping device to control the action of the steel rail flash welding machine.
2. The rail flash welder of claim 1, wherein the first and second center shafts are secured to the movable and stationary frames, respectively, by end fixing blocks and shaft end stops.
3. A rail flash welder as defined in claim 1 wherein the first central axis and the second central axis are spaced apart from one another by a distance of between 40mm and 400 mm.
4. The rail flash welder of claim 1, wherein the movable frame comprises a front movable frame and a rear movable frame, the stationary frame comprises a front stationary frame and a rear stationary frame, the upset shaft comprises a first upset shaft and a second upset shaft, wherein the first upset shaft connects the front movable frame and the front stationary frame, and the second upset shaft connects the rear movable frame and the rear stationary frame.
5. The rail flash welder of claim 4, wherein the rail flash welder further comprises:
at least one first auxiliary shaft, one end of each of the at least one first auxiliary shaft is connected with the front movable frame, and the other end is connected with the front stationary frame, so that the front movable frame can move along the length direction of the at least one first auxiliary shaft; and
at least one second auxiliary shaft, one end of each of the at least one second auxiliary shaft is connected with the rear movable frame, the other end is connected with the rear stationary frame, so that the rear movable frame can move along the length direction of the at least one second auxiliary shaft,
wherein each of the at least one first auxiliary shaft and the at least one second auxiliary shaft is not disposed at the main rotation center.
6. The rail flash welder of claim 5, wherein the at least one first auxiliary shaft is 1 and the at least one second auxiliary shaft is 1.
7. The rail flash welder of claim 4, further comprising a first upset cylinder and a second upset cylinder, wherein the first upset cylinder and the second upset cylinder are each disposed on a side of the static frame remote from the movable frame, and the first upset cylinder is connected to the first upset shaft and the second upset cylinder is connected to the second upset shaft.
8. A rail flash welder as defined in claim 4, wherein,
the first clamping device comprises:
the first clamping oil cylinder is provided with a first rodless cavity, a first rod cavity and a first driving rod, wherein the first rodless cavity and the first rod cavity are separated by a movable sliding plate, the first driving rod is arranged in the first rod cavity, and the first rodless cavity and the first rod cavity are respectively connected with an external hydraulic oil source; and
two first clamping links, one end of each of the two first clamping links is connected with the first driving rod, the other end is respectively connected with the front moving frame and the rear moving frame, and
the second clamping device comprises:
the second clamping oil cylinder is provided with a second rodless cavity, a second rod cavity and a second driving rod, wherein the second rodless cavity and the second rod cavity are separated by a movable sliding plate, the second driving rod is arranged in the second rod cavity, and the second rodless cavity and the second rod cavity are respectively connected with an external hydraulic oil source; and
and one end of each of the two second clamping connecting rods is connected with the second driving rod, and the other end of each of the two second clamping connecting rods is respectively connected with the front static frame and the rear static frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585115.5A CN107262894B (en) | 2017-07-18 | 2017-07-18 | Rail flash welder with interrupted central shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710585115.5A CN107262894B (en) | 2017-07-18 | 2017-07-18 | Rail flash welder with interrupted central shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107262894A CN107262894A (en) | 2017-10-20 |
| CN107262894B true CN107262894B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710585115.5A Active CN107262894B (en) | 2017-07-18 | 2017-07-18 | Rail flash welder with interrupted central shaft |
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| CN (1) | CN107262894B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112958892B (en) * | 2021-03-31 | 2022-12-06 | 苏州安嘉自动化设备有限公司 | Pull rod horizontal clamping type flash butt welding machine |
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| GB900281A (en) * | 1958-01-15 | 1962-07-04 | Wuppermann Gmbh Theodor | Improvements in or relating to electric flash butt welding machines |
| CH403110A (en) * | 1963-12-19 | 1965-11-30 | Inst Elektroswarki Patona | Resistance butt welding machine |
| 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 |
| CN1876306A (en) * | 2006-07-18 | 2006-12-13 | 铁道科学研究院金属及化学研究所 | Flash welding machine for fixed steel rail |
| CN103042294A (en) * | 2011-10-15 | 2013-04-17 | 常州市瑞泰工程机械有限公司 | Direct current welder |
| WO2015010633A1 (en) * | 2013-07-24 | 2015-01-29 | 常州市瑞泰工程机械有限公司 | Asymmetric sectional grooved steel rail flash welder |
| CN105014212A (en) * | 2015-07-23 | 2015-11-04 | 北京中铁科新材料技术有限公司 | Suspension type steel rail flash butt welding and heat treatment machine and suspension type steel rail flash butt welding and heat treatment method |
| CN207806864U (en) * | 2017-07-18 | 2018-09-04 | 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 |
-
2017
- 2017-07-18 CN CN201710585115.5A patent/CN107262894B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB900281A (en) * | 1958-01-15 | 1962-07-04 | Wuppermann Gmbh Theodor | Improvements in or relating to electric flash butt welding machines |
| CH366604A (en) * | 1958-01-15 | 1963-01-15 | Wuppermann Gmbh Theodor | Electric resistance flash welding machine |
| CH403110A (en) * | 1963-12-19 | 1965-11-30 | Inst Elektroswarki Patona | Resistance butt welding machine |
| 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 |
| CN1876306A (en) * | 2006-07-18 | 2006-12-13 | 铁道科学研究院金属及化学研究所 | Flash welding machine for fixed steel rail |
| CN103042294A (en) * | 2011-10-15 | 2013-04-17 | 常州市瑞泰工程机械有限公司 | Direct current welder |
| WO2015010633A1 (en) * | 2013-07-24 | 2015-01-29 | 常州市瑞泰工程机械有限公司 | Asymmetric sectional grooved steel rail flash welder |
| CN105014212A (en) * | 2015-07-23 | 2015-11-04 | 北京中铁科新材料技术有限公司 | Suspension type steel rail flash butt welding and heat treatment machine and suspension type steel rail flash butt welding and heat treatment method |
| CN207806864U (en) * | 2017-07-18 | 2018-09-04 | 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 |
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| Publication number | Publication date |
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| CN107262894A (en) | 2017-10-20 |
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