2results about How to "Low entry resistance" patented technology

The utility model discloses a kind of conductor shielding terminal annular array ground structure, the utility model relates to electrical engineering technical field, the utility model, comprising: connecting end, the outer wall of the connecting end is slidably connected with annular device, the annular device is locked by rotating mode, the bottom of the annular device is fixedly connected with grounding device, the annular device includes receiving end;By setting the cooperation of annular device and grounding device, the contact of the circumferential array arrangement in receiving end inner wall is slidably connected with connecting end, forms 360 ° full circumferential conductive passage, compared with traditional single-point grounding mode, contact area is improved by more than 3 times, lock ring is rotated 30 ° by dialing dial piece, the locking of connecting end and annular device can be completed, main sharp cone cooperates bulldozing block design, soil resistance is reduced, can directly penetrate clay layer with greater hardness;Sub sharp cone is automatically unfolded in soil extrusion during soil entering, forms umbrella-like grounding network, the purpose of equivalent grounding area expansion.

The utility model discloses a kind of soil sampling in-situ detection devices, including base, the base top is fixedly installed with support frame, the support frame surface is provided with driving assembly, the support frame is inside and is provided with first screw through driving assembly, the first screw surface is connected with moving plate threadedly, the moving plate top is provided with reciprocating movement component, the moving plate top is provided with toothed plate through reciprocating movement component, the toothed plate surface is engaged and is provided with driven gear, the driven gear inside is fixedly installed with sampling barrel, the sampling barrel inner wall top is fixedly installed with pin, the base top is provided with detection component, the sampling barrel inside is provided with removal component. Rotating action can effectively break the close connection between soil particles, like the rotation of drill bit when drilling, greatly reduce the soil resistance, make sampling process more smooth and fast, more sampling detection operations can be completed in the same time.