Portable grounding resistance measuring instrument
The utility model relates to the technical field of grounding resistance measuring instruments, and discloses a portable grounding resistance measuring instrument which comprises a resistance measuring instrument, a display screen is arranged at the upper end of the resistance measuring instrument,...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to the technical field of grounding resistance measuring instruments, and discloses a portable grounding resistance measuring instrument which comprises a resistance measuring instrument, a display screen is arranged at the upper end of the resistance measuring instrument, buttons are fixedly installed at the upper end of the resistance measuring instrument, anti-falling assemblies are arranged at the four corners of the resistance measuring instrument, and the anti-falling assemblies are connected with the display screen. One anti-falling assembly comprises two sleeves, the two sleeves are fixedly installed at one corner of the resistance measuring instrument, a cylinder is arranged on one side of each sleeve, an arc pad is fixedly installed at one end of each cylinder, rubber columns are fixedly installed at the two ends of each arc pad, and compression springs are fixedly installed in the sleeves. The other end of the pressure spring is fixedly connected with the cylinder; the por |
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