Underground gas collecting drilling tool
A drilling tool and earth gas technology, applied in the field of gas sampling devices, can solve the problems of affecting the gas concentration and the damage of the static environment of the soil layer, etc.
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[0015] figure 1 It is the overall schematic diagram of the present invention: the handle 1 assists people to manually drill the drill bit 4 into the soil, and the handle 1 and the drill rod 2 are used image 3 The male and female bayonet joints are shown in the way of connection. This connection method can adapt the drill tool to the collection needs of different depths. The deeper the collection, the more drill rods are needed. The bayonet butt screw is used to fix the reverse and anti-drop technology, so that the drilling tool can maintain the tightness of the connection in the forward or reverse state. It is ensured that the drill rod can be added without lifting the drill during the drilling process, so as to meet the sampling requirements of different depths. The bayonet docking screw fixation and reversal anti-dropping technology is applied to the docking of various components of the present invention. There is a through hole in the center of the drill rod 2 through which a...
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