CN116967583A - Spot welding sample preparation test system and clamping device - Google Patents
Spot welding sample preparation test system and clamping device Download PDFInfo
- Publication number
- CN116967583A CN116967583A CN202311225877.6A CN202311225877A CN116967583A CN 116967583 A CN116967583 A CN 116967583A CN 202311225877 A CN202311225877 A CN 202311225877A CN 116967583 A CN116967583 A CN 116967583A
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- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 235000004443 Ricinus communis Nutrition 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002093 peripheral effect Effects 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
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- 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
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a clamping device which comprises a clamping platform and a clamping foundation, wherein the clamping platform comprises an upper platform and a lower platform which are arranged along the vertical direction, and the upper platform and the lower platform respectively comprise a main body section and a clamping section which are arranged along the horizontal direction. The clamping platform is used for clamping the sample piece, and the clamping sections of the upper platform and the lower platform and the main body section are used for clamping the other end of the sample plate in the vertical direction, so that the clamping stability is improved; the upper platform and the lower platform are provided with welding holes, so that a sample is conveniently prepared by welding of a spot welder, and the sample is prepared by clamping a sample plate by adopting a clamping platform, so that the preparation consistency of the sample is improved, and a powerful guarantee is provided for the smooth proceeding of a subsequent test; according to the invention, the locking element is arranged between the main body section and the clamping section, so that the clamping degree can be conveniently adjusted according to test requirements when the spot welding stripping sample piece is prepared, the relative rotation of the sample during spot welding stripping is avoided, and the accuracy of test results is improved. The invention also provides a spot welding sample preparation test system which comprises the clamping device.
Description
Technical Field
The invention relates to the technical field of welding equipment and peripheral supporting facilities thereof, in particular to a spot welding sample preparation test system and a clamping device.
Background
Spot welding refers to a welding method in which a columnar electrode is used to form a welding spot between two overlapping workpiece contact surfaces during welding. During spot welding, the workpiece is pressed to be in close contact, then current is conducted, the contact part of the workpiece is melted under the action of resistance heat, and a welding spot is formed after cooling.
The spot welding stripping sample is an important form for representing the stress state of a welding spot, however, the preparation of the spot welding stripping sample is mainly realized by a manual clamping mode at present. The clamping mode cannot ensure the position of the welding spot to the edge of the test plate and the consistency of the welding spot positions of the same group of sample pieces. In peel experiments, the location of the solder joint from the edge of the panel affects the peel strength of the solder joint. In the manual clamping process, the two sample pieces are easy to rotate relatively, so that the clamping sections of the stripped sample pieces are not parallel in the stripping experiment, torque is generated to welding points when the sample pieces are clamped by the clamping head of the testing machine, and the measured strength is not the real strength of the welding points, so that the accuracy and consistency of the test results can not be ensured. In addition, splash is generated in spot welding, and life and health of operators can be endangered by adopting a manual clamping mode.
Therefore, how to change the current situation that the spot welding stripping sample piece affects the preparation consistency due to clamping and reduces the accuracy of the stripping test result in the prior art becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a spot welding sample preparation test system and a clamping device, which are used for solving the problems in the prior art, improving the clamping mode of spot welding stripping samples, improving the sample preparation consistency and improving the accuracy of stripping test results.
In order to achieve the above object, the present invention provides the following solutions: the present invention provides a clamping device comprising:
the clamping platform comprises an upper platform and a lower platform which are arranged along the vertical direction, the distance between the upper platform and the lower platform can be adjusted, the upper platform and the lower platform are respectively provided with a welding hole allowing the electrode tip of the spot welder to extend in, and the upper platform is matched with the lower platform to fix a sample so that the electrode tip of the spot welder extends into the welding holes to weld the sample; the upper platform and the lower platform both comprise a main body section and a clamping section which are arranged along the horizontal direction, the distance between the main body section and the clamping section can be adjusted, a locking element is arranged between the main body section and the clamping section, and the main body section and the clamping section are matched to fix the sample;
and the clamping platform is arranged on the clamping foundation.
Preferably, grooves capable of accommodating the sample are formed in the bottom surface of the upper platform and the top surface of the lower platform.
Preferably, the groove is arranged on the main body section and extends to a side elevation of the main body section, which is close to the clamping section, and a transition surface is arranged between the bottom surface of the groove and the side elevation of the main body section.
Preferably, the welding hole is arranged on the main body section and is communicated with the groove, the welding hole is a round table hole, and one smaller diameter end of the welding hole is positioned on the bottom surface of the groove.
Preferably, the lower platform is connected with the clamping foundation, the lower platform is connected with a positioning screw, the upper platform is provided with a positioning hole matched with the positioning screw, and the positioning screw penetrates through the positioning hole and then is locked by a positioning nut.
Preferably, a guide element is arranged between the main body section and the clamping section, the guide element comprises a screw rod and a nut, the screw rod and the nut are in threaded connection, the screw rod rotatably penetrates through the clamping section, and the nut is embedded in the main body section.
Preferably, the locking element is of a split structure, the locking element comprises a snap hook and a snap handle, and the locking element can be locked and unlocked by rotating the snap handle.
Preferably, the clamping foundation comprises a base and a supporting rod arranged on the base, the clamping platform is connected with the supporting rod, and the height of the supporting rod can be adjusted.
Preferably, the supporting rod comprises an upper supporting rod and a lower supporting rod, one end of the upper supporting rod is connected with the clamping platform, the other end of the upper supporting rod is slidably connected with the lower supporting rod, a locker is arranged between the upper supporting rod and the lower supporting rod, the locker can fix the relative position of the upper supporting rod and the lower supporting rod, and the lower supporting rod is also connected with the base;
the base is also connected with a castor, and the castor is provided with a locking switch.
The invention also provides a spot welding sample preparation test system, which comprises a spot welding machine and a test machine and further comprises the clamping device.
Compared with the prior art, the invention has the following technical effects:
according to the clamping device, the clamping platform is used for clamping the sample piece, when the peeling test sample piece is prepared, the L-shaped sample plate is mostly adopted, the upper platform and the lower platform clamp one ends of the two sample plates in the horizontal direction, and the clamping section and the main body section of the upper platform and the lower platform clamp the other ends of the sample plates in the vertical direction, so that the clamping stability is improved; the upper platform and the lower platform are provided with the welding holes, so that a sample is conveniently welded and prepared by the spot welder, the sample is prepared by clamping the sample plate by the clamping platform, the preparation consistency of the sample is improved, a powerful guarantee is provided for the smooth proceeding of a subsequent test, and in addition, the sample is clamped by the clamping device, so that the operation safety coefficient is improved; according to the invention, the locking element is arranged between the main body section and the clamping section, so that the clamping degree can be conveniently adjusted according to test requirements when the spot welding stripping sample piece is prepared, the relative rotation of the sample during spot welding stripping is avoided, and the accuracy of test results is improved.
The invention also provides a spot welding sample preparation test system which comprises the clamping device, so that the reliability of sample preparation is improved, and the accuracy of a stripping test result is improved.
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 needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a clamping device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a clamping platform of a clamping device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a lower platform of a clamping device according to an embodiment of the present invention;
FIG. 4 is a schematic view of a main body section of a clamping device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the main body section of the upper platform of the clamping device according to the embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a body section of an upper platform of a clamping device according to an embodiment of the present invention.
Wherein 100 is a clamping platform, 200 is a clamping foundation;
1 is an upper platform, 2 is a lower platform, 3 is a welding hole, 4 is a main body section, 5 is a clamping section, 6 is a locking element, 7 is a groove, 8 is a positioning screw, 9 is a positioning hole, 10 is a positioning nut, 11 is a screw, 12 is a snap hook, 13 is a snap handle, 14 is a base, 15 is an upper supporting rod, 16 is a lower supporting rod, 17 is a locker, 18 is a trundle, and 19 is a locking switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
The invention aims to provide a spot welding sample preparation test system and a clamping device, which are used for solving the problems in the prior art, improving the clamping mode of spot welding stripping samples, improving the sample preparation consistency and improving the accuracy of stripping test results.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a clamping device, which comprises a clamping platform 100 and a clamping foundation 200, wherein the clamping platform 100 comprises an upper platform 1 and a lower platform 2 which are arranged along the vertical direction, the distance between the upper platform 1 and the lower platform 2 can be adjusted, the upper platform 1 and the lower platform 2 are respectively provided with a welding hole 3 allowing the electrode tip of a spot welder to extend into, and the upper platform 1 and the lower platform 2 are matched to fix a sample so that the electrode tip of the spot welder extends into the welding holes 3 to weld the sample; the upper platform 1 and the lower platform 2 both comprise a main body section 4 and a clamping section 5 which are arranged along the horizontal direction, the distance between the main body section 4 and the clamping section 5 can be adjusted, a locking element 6 is arranged between the main body section 4 and the clamping section 5, and the main body section 4 and the clamping section 5 are matched to fix a sample; the clamping platform 100 is disposed on a clamping base 200.
According to the clamping device, the clamping platform 100 is used for clamping the sample, when the peeling test sample is prepared, the L-shaped sample plate is mostly adopted, the upper platform 1 and the lower platform 2 clamp one ends of the two sample plates in the horizontal direction, and meanwhile, the clamping section 5 of the upper platform 1 and the lower platform 2 and the main body section 4 clamp the other ends of the sample plates in the vertical direction, so that the clamping stability is improved; the upper platform 1 and the lower platform 2 are provided with the welding holes 3, so that a sample is conveniently welded and prepared by a spot welder, the sample is prepared by clamping the sample plate by the clamping platform 100, the preparation consistency of the sample is improved, a powerful guarantee is provided for the smooth proceeding of a subsequent test, in addition, the sample is clamped by the clamping device, and the operation safety coefficient is improved; according to the invention, the locking element 6 is arranged between the main body section 4 and the clamping section 5, so that the clamping degree can be conveniently adjusted according to test requirements when the spot welding stripping sample is prepared, the relative rotation of the sample during spot welding stripping is avoided, and the accuracy of test results is improved.
It should be explained here that, when the peeling test is performed, the upper platform 1 may be removed, the clamping section 5 and the main body section 4 of the lower platform 2 clamp the L-shaped template below the sample, and the upper L-shaped template is connected to the peeling tester to perform the peeling test; the upper platform 1 can be adjusted, but the upper platform 1 is not detached or a part of the structure of the upper platform 1 is detached, the clamping section 5 of the lower platform 2 and the main body section 4 still clamp the L-shaped sample plate below the sample piece, the L-shaped sample plate above the L-shaped sample plate is connected with a peeling tester, and the sample piece is subjected to peeling test under a certain limiting condition (the limit of the upper platform 1); in actual operation, the clamping platform 100 can be adjusted according to test requirements, different working conditions are met, and flexibility and adaptability of the clamping platform 100 are improved.
The bottom surface of the upper platform 1 and the top surface of the lower platform 2 are both provided with grooves 7 capable of accommodating sample pieces, see fig. 3 and 4 in detail, the grooves 7 can play a role in positioning sample pieces, and the clamping stability of the sample pieces is further improved.
In the specific embodiment, the groove 7 is arranged on the main body section 4 and extends to the side elevation of the main body section 4 close to the clamping section 5, and the depth of the groove 7 is 0.8mm, so that the influence of the excessive depth of the groove 7 on the clamping effect of the sample is avoided; the transition surface has between the bottom surface of recess 7 and the side elevation of main part section 4, and the transition surface is the transition inclined plane, and the centre gripping of convenient sample is fixed, improves the simple operation nature, and in this embodiment, the specification of transition surface is 5mm 45, in practical application, can also adjust according to device specification and centre gripping demand.
Specifically, the welding hole 3 is arranged on the main body section 4 and is communicated with the groove 7, the welding hole 3 is a circular truncated cone hole, one smaller diameter end of the welding hole 3 is positioned on the bottom surface of the groove 7, and the circular truncated cone-shaped welding hole 3 is arranged, so that spot welding is conveniently carried out on a sample by an electrode of the spot welder. In practical applications, the shape of the welding hole 3 may be adjusted according to the electrode specification of the spot welder to meet the welding requirement, for example, the welding hole 3 may be configured in a cylindrical shape or other shapes.
More specifically, the lower platform 2 is connected with the clamping foundation 200, the lower platform 2 is connected with a positioning screw rod 8, the upper platform 1 is provided with a positioning hole 9 matched with the positioning screw rod 8, the positioning screw rod 8 penetrates through the positioning hole 9 and then is locked by using a positioning nut, the upper platform 1 slides along the positioning screw rod 8, the distance between the upper platform 1 and the lower platform 2 can be adjusted, and after a sample piece is clamped, the positioning screw rod 8 can be locked by using the positioning nut so as to ensure the clamping stability. In practical application, a plurality of positioning screws 8 can be arranged, so that the upper platform 1 is prevented from rotating and dislocating relative to the lower platform 2, and the clamping reliability is ensured.
Correspondingly, a guide element is arranged between the main body section 4 and the clamping section 5, the guide element comprises a screw rod 11 and a screw cap which are in threaded connection, the screw rod 11 rotatably penetrates through the clamping section 5, the screw cap is embedded in the main body section 4, and the adjusting screw rod 11 can drive the clamping section 5 to reciprocate relative to the main body section 4, so that the distance between the clamping section 5 and the main body section 4 is adjusted, and the sample preparation and test requirements are met. In order to avoid deflection misalignment during the adjustment, two sets of guide elements may be provided to improve the accuracy of the reciprocating movement of the clamping section 5. In practical application, the side elevation of the main body section 4, which is close to the clamping section 5, can be provided with an embedded hole, a nut is embedded into the embedded hole, and the lead screw 11 can extend into the mounting hole of the device, so that the lead screw 11 can drive the clamping block to move to play a role in adjusting the distance.
In this embodiment, the locking element 6 is a split structure, a hasp type locking element 6 is selected, the locking element 6 includes a hasp hook 12 and a hasp handle 13, and the locking element 6 can be locked and released by rotating the hasp handle 13, so that the clamping section 5 can be separated from the main body section 4 while the operation is convenient, and the flexibility of the clamping platform 100 is improved.
Further, the clamping foundation 200 comprises a base 14 and a supporting rod arranged on the base 14, the clamping platform 100 is connected with the supporting rod, the height of the supporting rod can be adjusted, the base 14 provides stable and powerful support for the device, the overall stability of the device is improved, convenience is provided for sample preparation and peeling test, the height of the supporting rod is adjustable, the clamping platform 100 can be adjusted according to preparation and test requirements, and the working reliability of the device is improved.
In other embodiments of the present invention, the support bar includes an upper support bar 15 and a lower support bar 16, one end of the upper support bar 15 is connected to the clamping platform 100, the other end of the upper support bar 15 is slidably connected to the lower support bar 16, and a locker 17 is disposed therebetween, where the locker 17 can fix the relative positions of the upper support bar 15 and the lower support bar 16, and the lower support bar 16 is also connected to the base 14; the upper supporting rod 15 can slide back and forth along the vertical direction by adjusting the locker 17, and after the relative positions of the upper supporting rod 15 and the lower supporting rod 16 are adjusted, the locker 17 is locked, so that movable dislocation of the supporting rod in the preparation and test processes is avoided, and the clamping stability of the device is ensured.
In order to facilitate the movement and transportation of the device, the base 14 is also connected with a castor 18, the castor 18 is provided with a locking switch 19, and after the device moves to a target position, the castor 18 can be locked by the locking switch 19, so that the whole sliding dislocation of the device is avoided.
Furthermore, the invention also provides a spot welding sample preparation test system, which comprises a spot welding machine and a test machine, and further comprises the clamping device, and by adopting the clamping device, a sample is prepared, the clamping is stable and reliable, and the preparation consistency of the sample can be improved; when the stripping test is carried out, the clamping device is used for clamping the sample, so that the rotation of the sample is avoided, and the accuracy of the test result is improved.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. A clamping device, comprising:
the clamping platform comprises an upper platform and a lower platform which are arranged along the vertical direction, the distance between the upper platform and the lower platform can be adjusted, the upper platform and the lower platform are respectively provided with a welding hole allowing the electrode tip of the spot welder to extend in, and the upper platform is matched with the lower platform to fix a sample so that the electrode tip of the spot welder extends into the welding holes to weld the sample; the upper platform and the lower platform both comprise a main body section and a clamping section which are arranged along the horizontal direction, the distance between the main body section and the clamping section can be adjusted, a locking element is arranged between the main body section and the clamping section, and the main body section and the clamping section are matched to fix the sample;
and the clamping platform is arranged on the clamping foundation.
2. The clamping device as claimed in claim 1, characterized in that: the bottom surface of upper platform and the top surface of lower platform are all provided with the recess that can hold the sample piece.
3. The clamping device as claimed in claim 2, characterized in that: the groove is arranged on the main body section and extends to the side elevation of the main body section, which is close to the clamping section, and a transition surface is arranged between the bottom surface of the groove and the side elevation of the main body section.
4. The clamping device as claimed in claim 2, characterized in that: the welding hole is arranged on the main body section and communicated with the groove, the welding hole is a round table hole, and one smaller diameter end of the welding hole is positioned on the bottom surface of the groove.
5. The clamping device as claimed in claim 1, characterized in that: the lower platform is connected with the clamping foundation, the lower platform is connected with a positioning screw rod, the upper platform is provided with a positioning hole matched with the positioning screw rod, and the positioning screw rod penetrates through the positioning hole and then is locked by a positioning nut.
6. The clamping device as claimed in claim 1, characterized in that: the guide element is arranged between the main body section and the clamping section and comprises a screw rod and a screw cap which are in threaded connection, the screw rod rotatably penetrates through the clamping section, and the screw cap is embedded in the main body section.
7. The clamping device as claimed in claim 1, characterized in that: the locking element is of a split structure and comprises a snap hook and a snap handle, and the locking element can be locked and released by rotating the snap handle.
8. Clamping device according to any of claims 1-7, characterized in that: the clamping foundation comprises a base and a supporting rod arranged on the base, the clamping platform is connected with the supporting rod, and the height of the supporting rod can be adjusted.
9. The clamping device as claimed in claim 8, wherein: the support rod comprises an upper support rod and a lower support rod, one end of the upper support rod is connected with the clamping platform, the other end of the upper support rod is slidably connected with the lower support rod, a locker is arranged between the upper support rod and the lower support rod, the locker can fix the relative positions of the upper support rod and the lower support rod, and the lower support rod is also connected with the base;
the base is also connected with a castor, and the castor is provided with a locking switch.
10. The utility model provides a spot welding sample preparation test system, includes spot welder and testing machine, its characterized in that: further comprising a clamping device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311225877.6A CN116967583A (en) | 2023-09-22 | 2023-09-22 | Spot welding sample preparation test system and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311225877.6A CN116967583A (en) | 2023-09-22 | 2023-09-22 | Spot welding sample preparation test system and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116967583A true CN116967583A (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311225877.6A Pending CN116967583A (en) | 2023-09-22 | 2023-09-22 | Spot welding sample preparation test system and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116967583A (en) |
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| CN211541077U (en) * | 2019-12-25 | 2020-09-22 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Piston ring clamping tool |
| CN212599608U (en) * | 2020-03-23 | 2021-02-26 | 唐山钢铁集团有限责任公司 | Welding positioning tool for resistance spot welding tensile sample |
| CN212885672U (en) * | 2020-06-06 | 2021-04-06 | 唐山钢铁集团有限责任公司 | Sample welding auxiliary device is peeled off to steel sheet resistance spot welding L type |
| CN213753934U (en) * | 2020-11-18 | 2021-07-20 | 国家电网有限公司 | Overhead cable protection device |
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| KR20220169195A (en) * | 2021-06-18 | 2022-12-27 | 한국생산기술연구원 | Automatic peel test device for overlap welding joints |
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| CN216209631U (en) * | 2022-02-16 | 2022-04-05 | 四川中智光科技有限公司 | High-voltage cable partial discharge detector |
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