CN119282579A - Auxiliary welding tool - Google Patents
Auxiliary welding tool Download PDFInfo
- Publication number
- CN119282579A CN119282579A CN202411716933.0A CN202411716933A CN119282579A CN 119282579 A CN119282579 A CN 119282579A CN 202411716933 A CN202411716933 A CN 202411716933A CN 119282579 A CN119282579 A CN 119282579A
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- frame
- positioning
- positioning device
- clamping
- workpiece
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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
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides an auxiliary welding tool which comprises a workpiece placing table, a short frame positioning unit, a long frame positioning unit and a side clamping unit, wherein the short frame positioning unit is arranged on the table top and the side surface of the workpiece placing table and comprises a positioning device, a middle frame clamping positioning device and a first frame clamping positioning device, the long frame positioning unit is arranged on the table top of the workpiece placing table and comprises a second frame clamping positioning device and a third frame clamping positioning device, the positioning device and a positioning device part in the third frame clamping positioning device are arranged on the inner side of a workpiece frame, and the side clamping unit is arranged on the side surface of the short frame of the workpiece placing table and comprises a middle frame clamping device. The invention designs an auxiliary tool applied to a production process of a welding locomotive, so that the fluctuation of welding precision is small, the accurate alignment of welding and the stability of the welding process are ensured, and the quality of a welding finished product is obviously improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an auxiliary welding tool.
Background
The tool is an indispensable auxiliary tool in the technical processes of machining, product inspection, assembly, welding and the like. The main functions of the device are to mount and fix the processing object, ensure the processing object to be in a correct position, thereby ensuring the quality of parts and products and obviously improving the production efficiency. In particular to a welding tool, which is special technological equipment specially used for a welding process. The welding fixture has the main functions of accurately positioning and reliably clamping the welding structural member so as to facilitate assembly and welding operation and ensure that the dimensional accuracy of the welding structural member meets the design requirement. Since welding tools are typically specifically designed for the assembly welding process of a particular welded structure, most of them are non-standard devices. This means that, in order to meet the product structural characteristics, production conditions and actual requirements of the factory, these welding tools need to be designed and manufactured by themselves or negotiated with an external manufacturer for customization. The design of the welding tool is an important component part of production preparation work and is also one of main tasks of welding production process design. In actual production, a new locomotive product often needs to manufacture tens of welding tools, and the fluctuation of welding quality can be caused by the difference of the accuracy of auxiliary welding tools, so that the performance and reliability of the whole locomotive product are affected.
Disclosure of Invention
According to the technical problem that the difference of the accuracy of the auxiliary welding tool can cause fluctuation of welding quality, the auxiliary welding tool is provided. The invention designs an auxiliary tool applied to a production process of a welding locomotive, so that the fluctuation of welding precision is small, and the welding quality is improved.
The invention adopts the following technical means:
an auxiliary welding tool comprises a workpiece placing table, a short frame positioning unit, a long frame positioning unit and a side clamping unit;
The short frame positioning unit is arranged on the table surface and the side surface of the workpiece placing table and comprises a first positioning device, a middle frame clamping and positioning device and a first frame clamping and positioning device;
The long frame positioning unit is arranged on the table top of the workpiece placing table and comprises a second frame clamping and positioning device and a third frame clamping and positioning device;
Wherein, the positioning device and the positioning device part in the third frame clamping positioning device are arranged at the inner side of the workpiece frame;
and the side clamping unit is arranged on the side face of the short side frame of the workpiece placing table and comprises a middle frame clamping device.
Further, the first positioning device is arranged on the table top of the workpiece placing table and comprises a T-shaped part and two concave parts.
The middle frame clamping and positioning device is arranged on the table top of the workpiece placing table and comprises a first lead screw, a first clamp arm, a first support plate and a first rib plate, wherein the right inclined surfaces of the two support plates are a positioning surface and a supporting surface, and the first lead screw and the first clamp arm are used for positioning the middle frame of the workpiece.
The first frame clamping and positioning device is arranged on the side face of the long frame of the workpiece placing table and comprises a second lead screw, a second clamp arm, a second support plate and a first bottom plate, wherein the first bottom plate is fixed on the side face of the long frame of the workpiece placing table, and the two support plates are fixed on the first bottom plate and support the second lead screw and the second clamp arm.
Further, the second frame clamping and positioning device comprises a third lead screw, a third clamp arm, a third support plate and a second rib plate, right side inclined planes of the two support plates are positioning support surfaces, and the third lead screw and the third clamp arm are used for clamping a workpiece frame.
Further, the third frame clamping and positioning device comprises a fourth lead screw, a fourth clamp arm, a fourth support plate and a second positioning device, wherein the second positioning device comprises two T-shaped parts and three concave parts, inclined planes of the three concave parts are a positioning surface and a supporting surface, and the fourth lead screw and the fourth clamp arm are used for clamping a workpiece frame.
The side clamping unit comprises a fifth screw rod, a fifth clamp arm, a fifth support plate and a second bottom plate, wherein the second bottom plate is fixed on the side face of the short side frame of the workpiece placing table, and the two support plates are fixed on the second bottom plate and support the fifth screw rod and the fifth clamp arm.
Further, the support plate and the clamp arm are respectively provided with an upper round hole and a lower round hole which penetrate through and are concentric, the lower holes are used for being connected through bolts, and the upper holes are used for positioning bolts.
Further, the workpiece placement table top is provided with an insertion interface.
Further, the short frame positioning units and the long frame positioning units are arranged on the workpiece placing table in an array manner;
the short frame positioning units are odd units, and the long frame positioning units are even units.
An auxiliary welding tool workbench comprises a short frame positioning unit, a long frame positioning unit and a side clamping unit.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. According to the auxiliary welding tool provided by the invention, the short side frames and the long side frames of the workpiece placing table are respectively provided with the plurality of clamping and positioning devices, so that the workpiece side frames can be accurately positioned from different angles and positions, the accurate position of the workpiece in the welding process is ensured, and the welding quality is improved.
2. According to the auxiliary welding tool provided by the invention, the right inclined planes of the support plates are set as the positioning surface and the supporting surface, so that stable support and accurate positioning are provided for the workpiece, and the welding precision is further ensured.
3. According to the auxiliary welding tool provided by the invention, the screw rods and the clamp arms are respectively arranged on different clamping and positioning devices, so that the clamping force and the position can be flexibly adjusted according to the sizes and the shapes of different workpieces, and the auxiliary welding tool is suitable for the welding requirements of various workpieces.
4. According to the auxiliary welding tool provided by the invention, the layout of different units can be better suitable for workpieces with different sizes, and the universality of the tool is improved.
5. The auxiliary welding tool provided by the invention is provided with the structures such as the support plate, the rib plate and the bottom plate, so that stable support is provided for the screw rod and the clamp arm, and the tool is ensured not to shake or deform in the welding process.
6. According to the auxiliary welding tool provided by the invention, the upper and lower through and concentric round holes are respectively formed in the clamp arm and the support plate, the lower hole is used for bolting, and the upper hole is used for positioning the bolt. Meanwhile, the workpiece placing table surface is provided with an insertion interface, so that the workpiece placing table surface is convenient to connect with other equipment or tools and is matched with the other equipment or tools.
For the reasons, the invention can be popularized in the technical field of machining.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an auxiliary welding tool according to the present invention;
FIG. 2 is a schematic working diagram of an auxiliary welding tool according to the present invention;
FIG. 3 is a schematic structural view of an auxiliary welding fixture positioning device according to the present invention;
FIG. 4 is a schematic structural view of a middle frame clamping and positioning device of an auxiliary welding tool according to the present invention;
FIG. 5 is a schematic structural view of a first frame clamping and positioning device of an auxiliary welding tool according to the present invention;
FIG. 6 is a schematic structural view of a second frame clamping and positioning device of an auxiliary welding tool according to the present invention;
FIG. 7 is a schematic structural view of a third frame clamping and positioning device of an auxiliary welding tool according to the present invention;
fig. 8 is a schematic structural view of a middle frame clamping device of an auxiliary welding tool according to the present invention.
In the figure, 1, a workpiece placing table; 2, a first positioning device, 3, a middle frame clamping and positioning device, 4, a first side frame clamping and positioning device, 5, a second side frame clamping and positioning device, 6, a third side frame clamping and positioning device, 7, a middle frame clamping device, 8, a T-shaped piece, 9, a concave piece, 10, a first lead screw, 11, a first clamp arm, 12, a first support plate, 13, a first rib plate, 14, a second lead screw, 15, a second clamp arm, 16, a second support plate, 17, a first bottom plate, 18, a third lead screw, 19, a third clamp arm, 20, a third support plate, 21, a second rib plate, 22, a positioning support surface, 23, a fourth lead screw, 24, a fourth clamp arm, 25, a fourth support plate, 26, a second positioning device, 27, a fifth lead screw, 28, a fifth clamp arm, 29, a fifth support plate and 30, a second bottom plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of the present invention in that the azimuth terms "inside and outside" refer to inside and outside with respect to the outline of each component itself.
Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown in figures 1 to 2, the invention provides an auxiliary welding tool workbench which comprises a short frame positioning unit, a long frame positioning unit and a side clamping unit.
As shown in fig. 3 to 8, the invention also provides an auxiliary welding tool, which comprises a workpiece placing table 1, a short side frame positioning unit, a long side frame positioning unit and a side clamping unit;
the short frame positioning unit is arranged on the table top and the side surface of the workpiece placing table 1 and comprises a first positioning device 2, a middle frame clamping positioning device 3 and a first frame clamping positioning device 4;
the long frame positioning unit is arranged on the table top of the workpiece placing table 1 and comprises a second frame clamping and positioning device 5 and a third frame clamping and positioning device 6;
Wherein the positioning device and the positioning device part in the third frame clamping and positioning device 6 are arranged on the inner side of the workpiece frame;
and a side clamping unit which is arranged on the side surface of the short side frame of the workpiece placing table 1 and comprises a middle frame clamping device 7.
Further, the first positioning device 2 is arranged on the table top of the workpiece placing table 1, and comprises a T-shaped piece 8 and two concave pieces 9, and is used for positioning the inner side of a short frame of the workpiece.
Further, the middle frame clamping and positioning device 3 is arranged on the table top of the workpiece placing table 1 and comprises a first lead screw 10, a first clamp arm 11, a first support plate 12 and a first rib plate 13, right side inclined planes of the two support plates are a positioning surface and a supporting surface, and the first lead screw 10 and the first clamp arm 11 are used for positioning the middle frame of the workpiece.
Further, the first lead screw 10 and the first clamp arm 11 work cooperatively and work together to work on the short frame of the workpiece so that the short frame of the workpiece is positioned accurately, and no shaking is generated in the workpiece machining process.
Further, the first frame clamping and positioning device 4 is arranged on the side face of the long frame of the workpiece placement table 1 and comprises a second lead screw 14, a second clamp arm 15, a second support plate 16 and a first bottom plate 17, wherein the first bottom plate 17 is fixed on the side face of the long frame of the workpiece placement table 1, and the two support plates are fixed on the first bottom plate 17 and support the second lead screw 14 and the second clamp arm 15.
Further, the second lead screw 14 and the second clamp arm 15 cooperate to act on the side surface of the long frame of the workpiece together, so that the workpiece does not generate displacement in the left-right direction in the machining process.
Further, the second frame clamping and positioning device 5 comprises a third lead screw 18, a third clamp arm 19, a third support plate 20 and a second rib plate 21, wherein the right inclined surfaces of the two support plates are positioning support surfaces 22, and the third lead screw 18 and the third clamp arm 19 are used for clamping a workpiece frame.
Further, the third screw rod 18 cooperates with the third clamp arm 19 to act on the front face of the long frame of the workpiece together, so as to generate a downward pressure on the front face of the workpiece, and prevent the workpiece from shaking.
Further, the third frame clamping and positioning device 6 comprises a fourth lead screw 23, a fourth clamp arm 24, a fourth support plate 25 and a second positioning device 26, wherein the second positioning device 26 comprises two T-shaped parts 8 and three concave parts 9, inclined surfaces of the three concave parts 9 are a positioning surface and a supporting surface, and the fourth lead screw 23 and the fourth clamp arm 24 are used for clamping a workpiece frame.
Further, the fourth screw 23, the fourth clamp arm 24 and the second positioning device 26 cooperate to position and compress the workpiece.
Further, the side clamping unit comprises a fifth screw rod 27, a fifth clamp arm 28, a fifth support plate 29 and a second bottom plate 30, wherein the second bottom plate 30 is fixed on the side face of the short side frame of the workpiece placement table 1, and two support plates are fixed on the second bottom plate 30 and support the fifth screw rod and the fifth clamp arm 28.
Further, the five screw rods and the fifth clamp arm 28 cooperate to compress and position the workpiece, so that the workpiece is not displaced in the front-rear direction during the machining process.
Further, the support plate and the clamp arm are respectively provided with an upper round hole and a lower round hole which penetrate through and are concentric, the lower holes are used for being connected through bolts, and the upper holes are used for positioning bolts.
Further, the clamp arm and the screw rod are welded integrally, the clamp arm is fixed after the bolt is inserted, the workpiece can be clamped by screwing the screw rod at the moment, and the clamp arm can rotate 90 degrees clockwise around the bolt shaft after the screw rod is loosened and the bolt is pulled out, and at the moment, the screw rod is rotated to the side of the workpiece, so that the workpiece is convenient to detach.
Further, the table top of the workpiece placement table 1 is provided with an insertion interface.
Further, the bottoms of the support plate and the rib plate are provided with a bulge which is matched with an opening and inserting interface of the table top of the workpiece placing table 1.
Further, the short frame positioning units and the long frame positioning units are arranged on the workpiece placing table 1 in an array manner;
the short frame positioning units are odd units, and the long frame positioning units are even units.
Further, the last positioning unit of the table top is an odd unit.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not deviate from the essence of the corresponding technical solution from the scope of the technical solution of the embodiment of the present invention.
Claims (11)
1. An auxiliary welding tool is characterized by comprising a workpiece placing table, a short frame positioning unit, a long frame positioning unit and a side clamping unit;
The short frame positioning unit is arranged on the table surface and the side surface of the workpiece placing table and comprises a first positioning device, a middle frame clamping and positioning device and a first frame clamping and positioning device;
The long frame positioning unit is arranged on the table top of the workpiece placing table and comprises a second frame clamping and positioning device and a third frame clamping and positioning device;
Wherein, the positioning device and the positioning device part in the third frame clamping positioning device are arranged at the inner side of the workpiece frame;
and the side clamping unit is arranged on the side face of the short side frame of the workpiece placing table and comprises a middle frame clamping device.
2. The auxiliary welding fixture of claim 1, wherein the first positioning device is arranged on the workpiece placement table surface and comprises a T-shaped part and two concave parts.
3. The auxiliary welding tool according to claim 1, wherein the middle frame clamping and positioning device is arranged on a table top of the workpiece placing table and comprises a first lead screw, a first clamp arm, a first support plate and a first rib plate, right inclined planes of the two support plates are positioning support surfaces, and the first lead screw and the first clamp arm are used for positioning the middle frame of the workpiece.
4. The auxiliary welding tool according to claim 1, wherein the first frame clamping and positioning device is arranged on the side face of the long frame of the workpiece placing table and comprises a second lead screw, a second clamp arm, a second support plate and a first bottom plate, the first bottom plate is fixed on the side face of the long frame of the workpiece placing table, and the two support plates are fixed on the first bottom plate and support the second lead screw and the second clamp arm.
5. The auxiliary welding tool according to claim 1, wherein the second frame clamping and positioning device comprises a third lead screw, a third clamp arm, a third support plate and a third rib plate, right inclined planes of the two support plates are a positioning surface and a supporting surface, and the third lead screw and the third clamp arm are used for clamping a workpiece frame.
6. The auxiliary welding tool according to claim 1, wherein the third frame clamping and positioning device comprises a fourth screw rod, a fourth clamp arm, a fourth support plate and a second positioning device, the second positioning device comprises two T-shaped parts and three concave parts, inclined planes of the three concave parts are a positioning surface and a supporting surface, and the fourth screw rod and the fourth clamp arm are used for clamping a workpiece frame.
7. The auxiliary welding tool according to claim 1, wherein the side clamping unit comprises a fifth screw rod, a fifth clamp arm, a fifth support plate and a second bottom plate, the second bottom plate is fixed on the side face of the short side frame of the workpiece placement table, and the two support plates are fixed on the second bottom plate and support the fifth screw rod and the fifth clamp arm.
8. An auxiliary welding fixture according to any one of claims 3 to 7, wherein the support plate and the clamp arm are respectively provided with an upper and a lower through and concentric circular holes, the lower hole being for bolting, and the upper hole being for positioning of the bolt.
9. An auxiliary welding tool according to claim 1, wherein the workpiece placement table top is provided with an insertion interface.
10. The auxiliary welding fixture according to claim 1, wherein the short frame positioning units and the long frame positioning units are arranged on the workpiece placing table in an array;
the short frame positioning units are odd units, and the long frame positioning units are even units.
11. An auxiliary welding tool workbench is characterized by comprising a short frame positioning unit, a long frame positioning unit and a side clamping unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411716933.0A CN119282579A (en) | 2024-11-27 | 2024-11-27 | Auxiliary welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411716933.0A CN119282579A (en) | 2024-11-27 | 2024-11-27 | Auxiliary welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119282579A true CN119282579A (en) | 2025-01-10 |
Family
ID=94153526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411716933.0A Pending CN119282579A (en) | 2024-11-27 | 2024-11-27 | Auxiliary welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119282579A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747588A (en) * | 1986-08-15 | 1988-05-31 | Dillhoff George A | Universal clamping tool |
| CN203184893U (en) * | 2013-04-22 | 2013-09-11 | 中国北车集团大同电力机车有限责任公司 | Positioning and compressing device and workbench for assembling and welding side walls of motorized vehicle |
| CN203418259U (en) * | 2013-07-24 | 2014-02-05 | 南京南车浦镇城轨车辆有限责任公司 | Subway roof assembly flexible tool |
| CN206484199U (en) * | 2017-02-24 | 2017-09-12 | 大连璟龙自动化科技有限公司 | A body-in-white inclined welding jig with a height unit |
| CN207344033U (en) * | 2017-09-25 | 2018-05-11 | 安徽合力股份有限公司 | A kind of clamp system for reach truck Frame Welding |
| CN210649231U (en) * | 2019-08-30 | 2020-06-02 | 辽宁忠旺铝合金精深加工有限公司 | Welding tool for concealed subway door |
| CN111889941A (en) * | 2020-07-31 | 2020-11-06 | 中车大连电力牵引研发中心有限公司 | Flexible assembly point fixing tool for machining of traction beam and flexible deflection welding process equipment |
| CN118544046A (en) * | 2024-05-31 | 2024-08-27 | 南宁中车铝材精密加工有限公司 | Workpiece flexible welding tool and welding method |
-
2024
- 2024-11-27 CN CN202411716933.0A patent/CN119282579A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747588A (en) * | 1986-08-15 | 1988-05-31 | Dillhoff George A | Universal clamping tool |
| CN203184893U (en) * | 2013-04-22 | 2013-09-11 | 中国北车集团大同电力机车有限责任公司 | Positioning and compressing device and workbench for assembling and welding side walls of motorized vehicle |
| CN203418259U (en) * | 2013-07-24 | 2014-02-05 | 南京南车浦镇城轨车辆有限责任公司 | Subway roof assembly flexible tool |
| CN206484199U (en) * | 2017-02-24 | 2017-09-12 | 大连璟龙自动化科技有限公司 | A body-in-white inclined welding jig with a height unit |
| CN207344033U (en) * | 2017-09-25 | 2018-05-11 | 安徽合力股份有限公司 | A kind of clamp system for reach truck Frame Welding |
| CN210649231U (en) * | 2019-08-30 | 2020-06-02 | 辽宁忠旺铝合金精深加工有限公司 | Welding tool for concealed subway door |
| CN111889941A (en) * | 2020-07-31 | 2020-11-06 | 中车大连电力牵引研发中心有限公司 | Flexible assembly point fixing tool for machining of traction beam and flexible deflection welding process equipment |
| CN118544046A (en) * | 2024-05-31 | 2024-08-27 | 南宁中车铝材精密加工有限公司 | Workpiece flexible welding tool and welding method |
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