CN108247275B - Welding tool and method for rail flaw detection operation vehicle framework mounting plate - Google Patents
Welding tool and method for rail flaw detection operation vehicle framework mounting plate Download PDFInfo
- Publication number
- CN108247275B CN108247275B CN201810254321.2A CN201810254321A CN108247275B CN 108247275 B CN108247275 B CN 108247275B CN 201810254321 A CN201810254321 A CN 201810254321A CN 108247275 B CN108247275 B CN 108247275B
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- mounting plate
- welding
- tool body
- positioning plate
- vertical positioning
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical field of welding of bogie frames of rail flaw detection operation vehicles, in particular to a welding tool and a method for a bogie frame mounting plate of a rail flaw detection operation vehicle, comprising a tool body, a vertical positioning plate, a horizontal positioning plate, a fixed clamp and a compression screw, wherein the compression screw is vertically arranged at the top of the fixed clamp through threaded fit; the vertical positioning plate is horizontally and fixedly arranged at the bottom end of the compression screw, and the side part of the vertical positioning plate is fixedly connected with the back of the tool body; the horizontal positioning plate is vertically and fixedly arranged at the middle position of the lower bottom surface of the tool body in the length direction; the welding tool and the method for the rail flaw detection operation vehicle framework mounting plate are simple in design structure, can solve the problems that the integral machining of the mounting plate has high requirements on equipment and a right-angle milling head is required, and simultaneously solve the problem of high machining cost. On the premise of ensuring the processing and welding precision of the mounting plates, the cost of batch processing is reduced.
Description
Technical Field
The invention belongs to the technical field of welding of bogie frames of rail flaw detection operation vehicles, and particularly relates to a welding tool and a welding method for a bogie frame mounting plate of a rail flaw detection operation vehicle.
Background
Along with the continuous accumulation of technology in the field of high-speed rail in China, the high-speed rail is rapidly developed in China, and the technology becomes the field with the largest output technology in China abroad; however, whether the high-speed rail or the rail transit is detected conventionally, the flaw detection is mainly used for improving the safety of the high-speed rail in the running process and timely finding out the occurrence of cracks and damages in the rail. Therefore, the rail flaw detection operation vehicle is widely applied to the field of high-speed rails.
The TC80 II type framework is a novel working vehicle framework and is formed by welding side beams, cross beams, end beams and other accessories, wherein the side beams, the cross beams and the end beams form a framework main body. The mounting plate is an accessory welded on the side face of the end beam of the framework, and the dimensional design precision is high.
In the prior art, the mounting plate is welded on the framework and then is subjected to surface and hole machining in an integral machining mode. The main technical problems are: the mounting panel is arranged in framework end beam side, and its upper hole is unable to be realized with vertical machining center main shaft, needs the installation right angle cutter head, and is high to the processing equipment requirement, and processing cost is high, is not suitable for batch production, causes unnecessary extravagant. .
Disclosure of Invention
The invention aims to overcome the defects described in the background art, and provides a welding tool and a welding method for a framework mounting plate of a rail flaw detection operation vehicle, which have the advantages of simple, scientific and reasonable design structure and convenient and efficient use; the problem that the whole machining of mounting panel is high to the equipment requirement, need use the right angle cutter head can be solved, the problem that adopts whole machining, processing cost is high has still been solved simultaneously.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the welding tool for the framework mounting plate of the track flaw detection operation vehicle comprises a tool body, a vertical positioning plate, a horizontal positioning plate, a fixing clamp and a compression screw, wherein the tool body is of a strip-shaped structure with an upper top and a bottom surface being planes, and the compression screw is vertically arranged at the top of the fixing clamp through threaded fit; the vertical positioning plates are horizontally and fixedly arranged at the bottom end of the compression screw, the side parts of the vertical positioning plates are fixedly connected with the back part of the tool body, the bottom surfaces of the vertical positioning plates are coplanar and parallel to the upper surface and the lower surface of the tool body, and the vertical positioning plates are uniformly distributed along the length direction of the tool body in a straight line; the horizontal positioning plate is vertically and fixedly arranged at the middle position of the lower bottom surface of the tool body in the length direction and serves as a center reference of the tool body.
The horizontal positioning plate is used for determining the welding position of the mounting plate and the machining position of the hole of the mounting plate, so that the horizontal positioning of the mounting plate is realized; the vertical positioning plate is used for determining the vertical distance between the mounting plate and the end beam during assembly welding, and realizing the vertical positioning of the mounting plate.
The fixture body, the vertical positioning plate and the horizontal positioning plate are connected into a whole in a welding mode, and the fixed pliers are in a movable mode and are not fixed.
As the preferable technical scheme of the invention, the fixing clamp and the vertical positioning plate are respectively two sets.
As the preferable technical scheme of the invention, the tool body is a profile steel with a hollow rectangular or U-shaped longitudinal section.
As the preferable technical scheme of the invention, the fixing clamp is a G-shaped clamp, and the G-shaped clamp is used for clamping the vertical positioning plate and the end beam.
A welding method of a rail flaw detection operation vehicle framework mounting plate comprises the following steps:
step one: preparing a set of welding fixture for the frame mounting plate of the rail flaw detection operation vehicle;
step two: the method comprises the steps of fixing an unprocessed mounting plate at two ends of a tool body in a spot welding mode by taking a horizontal positioning plate as a center, then clamping the welding tool and the mounting plate on a workbench of a vertical machining center, machining the mounting plate according to design specifications, milling a plane of the mounting plate, drilling and tapping, ensuring the hole pitch dimension during machining, and ensuring that the centers of the two mounting plates are symmetrical relative to the center reference of the horizontal positioning plate;
step three: positioning a welding tool and a mounting plate which are welded together on an end beam of a framework, pasting the back surface of the mounting plate with the end beam, pasting the bottom surface of the vertical positioning plate on the square steel tube plane of the end beam, moving the welding tool to enable the datum edge of the horizontal positioning plate to coincide with the marked central line on the end beam, and fixing and clamping the vertical positioning plate and the end beam by using G-shaped pliers;
step four: under the condition that the back of the mounting plate is tightly attached to the end beam, the mounting plate is welded on the end beam, and finally the mounting plate and the tool body are polished and separated, and the welding tool is taken down, so that the welding and mounting work of the mounting plate is completed.
The welding tool and the method for the rail flaw detection operation vehicle framework mounting plate have the beneficial effects that:
the welding tool and the method for the rail flaw detection operation vehicle framework mounting plate are simple, scientific and reasonable in design structure, and convenient and efficient to use; the problem that the whole machining of mounting panel is high to the equipment requirement, need use the right angle cutter head can be solved, the problem that adopts whole machining, processing cost is high has still been solved simultaneously. On the premise of ensuring the processing and welding precision of the mounting plates, the cost of batch processing is reduced.
Drawings
FIG. 1 is a schematic structural view of a welding fixture for a frame mounting plate of a rail inspection work vehicle of the present invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic diagram showing the assembly of the welding tool and the rail inspection work vehicle frame of the present invention;
FIG. 4 is a schematic view of the B-direction structure of FIG. 3;
FIG. 5 is a schematic cross-sectional view of the structure of C-C in FIG. 4.
In the figure: the fixture comprises a fixture body, a vertical positioning plate, a horizontal positioning plate, a fixed clamp, a clamping screw, an end beam and a mounting plate, wherein the fixture body is 1-, the vertical positioning plate is 2-, the horizontal positioning plate is 3-, the fixed clamp is 4-, the clamping screw is 5-, the end beam is 6-, and the mounting plate is 7-.
Detailed Description
The welding fixture and the method for the rail inspection operation vehicle framework mounting plate are described in more detail below with reference to the accompanying drawings and through specific embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
the welding tool for the rail flaw detection operation vehicle framework mounting plate comprises a tool body 1, a vertical positioning plate 2, a horizontal positioning plate 3, a fixed clamp 4 and a compression screw 5, wherein the tool body 1 is a profile steel with a U-shaped longitudinal section, and the compression screw 5 is vertically arranged at the top of the fixed clamp 4 through threaded fit; the vertical positioning plate 2 is horizontally and fixedly arranged at the bottom end of the compression screw 5, the side part of the vertical positioning plate 2 is fixedly connected with the back part of the tool body 1, the bottom surface of the vertical positioning plate 2 is coplanar and parallel to the upper surface and the lower surface of the tool body 1, and the vertical positioning plate 2 is uniformly distributed along the length direction of the tool body 1 in a straight line; the horizontal positioning plate 3 is vertically and fixedly arranged at the right middle position of the lower bottom surface of the tool body 1 in the length direction and serves as a center reference of the tool body 1, and the fixed pincers 4 and the vertical positioning plate 2 are respectively 2 sets.
The fixture body 1, the vertical positioning plate 2 and the horizontal positioning plate 3 are connected into a whole in a welding mode, and the fixed clamp 4 is in a movable mode and is not fixed; the fixed pincers 4 are G-shaped pincers, and the G-shaped pincers are used for clamping the vertical positioning plate 2 and the end beam 6.
A welding method of a rail flaw detection operation vehicle framework mounting plate comprises the following steps:
step one: preparing a set of welding fixture for the frame mounting plate of the rail flaw detection operation vehicle;
step two: the method comprises the steps of fixing an unprocessed mounting plate 7 at two ends of a tool body 1 by spot welding with a horizontal positioning plate 3 as a center, then clamping a welding tool and the mounting plate 7 on a vertical machining center workbench, machining the mounting plate 7 according to design specifications, milling a mounting plate plane, drilling and tapping, ensuring the hole pitch dimension during machining, and ensuring that the centers of the two mounting plates 7 are symmetrical relative to the center reference of the horizontal positioning plate 3;
step three: positioning a welding tool and a mounting plate 7 which are welded together on an end beam 6 of a framework, compacting the back surface of the mounting plate 7 and the end beam 6, compacting the bottom surface of the vertical positioning plate 2 on the square steel tube plane of the end beam 6, moving the welding tool to enable the datum edge of the horizontal positioning plate 3 to coincide with the marked central line on the end beam 6, and fixedly clamping the vertical positioning plate 2 and the end beam 6 by using a G-shaped clamp;
step four: under the condition that the back of the mounting plate 7 is tightly attached to the end beam 6, the mounting plate 7 is welded on the end beam 6, and finally, the mounting plate 7 is polished and separated from the tool body 1, and the welding tool is taken down, so that the welding and mounting work of the mounting plate is completed.
The foregoing description of the exemplary embodiments of the invention is not intended to limit the scope of the invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the invention should be considered as falling within the scope of the invention.
Claims (3)
1. A welding method of a rail flaw detection operation vehicle framework mounting plate is characterized by comprising the following steps of: the method comprises the following steps:
step one: preparing a set of welding tools for a framework mounting plate of a rail flaw detection operation vehicle; the welding tool comprises a tool body, a vertical positioning plate, a horizontal positioning plate, a fixing clamp and a compression screw, wherein the tool body is of a strip-shaped structure with a plane top and a plane bottom, and the compression screw is vertically arranged at the top of the fixing clamp through threaded fit; the vertical positioning plates are horizontally and fixedly arranged at the bottom end of the compression screw, the side parts of the vertical positioning plates are fixedly connected with the back part of the tool body, the bottom surfaces of the vertical positioning plates are coplanar and parallel to the upper surface and the lower surface of the tool body, and the vertical positioning plates are uniformly distributed along the length direction of the tool body in a straight line; the horizontal positioning plate is vertically and fixedly arranged at the middle position of the lower bottom surface of the tool body in the length direction and is used as a center reference of the tool body;
the fixed clamp is a G-shaped clamp;
step two: the method comprises the steps of fixing an unprocessed mounting plate at two ends of a tool body in a spot welding mode by taking a horizontal positioning plate as a center, then clamping the welding tool and the mounting plate on a workbench of a vertical machining center, machining the mounting plate according to design specifications, milling a plane of the mounting plate, drilling and tapping, ensuring the hole pitch dimension during machining, and ensuring that the centers of the two mounting plates are symmetrical relative to the center reference of the horizontal positioning plate;
step three: positioning a welding tool and a mounting plate which are welded together on an end beam of a framework, pasting the back surface of the mounting plate with the end beam, pasting the bottom surface of the vertical positioning plate on the square steel tube plane of the end beam, moving the welding tool to enable the datum edge of the horizontal positioning plate to coincide with the marked central line on the end beam, and fixing and clamping the vertical positioning plate and the end beam by using G-shaped pliers;
step four: under the condition that the back of the mounting plate is tightly attached to the end beam, the mounting plate is welded on the end beam, and finally the mounting plate and the tool body are polished and separated, and the welding tool is taken down, so that the welding and mounting work of the mounting plate is completed.
2. The method of welding a frame mounting plate for a rail inspection work vehicle of claim 1, wherein: the fixing clamp and the vertical positioning plate are respectively two sets.
3. The method of welding a frame mounting plate for a rail inspection work vehicle of claim 1, wherein: the tool body is a section steel with a hollow rectangular or U-shaped longitudinal section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254321.2A CN108247275B (en) | 2018-03-26 | 2018-03-26 | Welding tool and method for rail flaw detection operation vehicle framework mounting plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254321.2A CN108247275B (en) | 2018-03-26 | 2018-03-26 | Welding tool and method for rail flaw detection operation vehicle framework mounting plate |
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| CN108247275A CN108247275A (en) | 2018-07-06 |
| CN108247275B true CN108247275B (en) | 2024-02-09 |
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| CN201810254321.2A Active CN108247275B (en) | 2018-03-26 | 2018-03-26 | Welding tool and method for rail flaw detection operation vehicle framework mounting plate |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108890069A (en) * | 2018-08-22 | 2018-11-27 | 长沙格力暖通制冷设备有限公司 | Welding tool for air conditioner multi-split air conditioner and production line thereof |
| CN112045347B (en) * | 2020-08-07 | 2023-04-14 | 山东鸿陆精工机械有限公司 | Double-wall gas rail pipe machining device and machining process |
| CN112652482A (en) * | 2020-12-16 | 2021-04-13 | 攀钢集团工程技术有限公司 | High-temperature die pressing device and method for high-voltage coil |
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