Light manual power core taking machine for engineering geological investigation
A technology of engineering geology and coring machine, which is applied in the direction of extracting undisturbed cores and earthwork drilling, etc., can solve the problems of slow drilling speed, low driving power, and expensive equipment, and achieves high coring rate and light total weight. , Simple and easy to use failure effect
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[0031] Such as Figure 1 to Figure 8 A kind of light-duty artificial power coring machine used for engineering geological survey is shown, comprising drill bit 1, coring device 2 and drill pipe 3 connected successively from bottom to top, and drill bit 1 and coring device 2 are threadedly connected, and taking The core device 2 is threaded with the drill rod 3, the drill bit 1 is a cylindrical hollow iron pipe, and the bottom end of the drill bit 1 is a cutting edge with a thin bottom and a thick top, so as to facilitate the drilling of the drill bit 1 in the soil layer. The drill pipe 3 is also equipped with a casing 4 during use. The coring device 2 is composed of iron round pipes that can be split in half. The bottom of the round pipe is connected with a replaceable core bit 1. When the drill bit 1 is damaged, it can be replaced in time. After the corer 2 is filled with soil cores, it is taken out by the drill pipe 3 After unloading the drill bit 1 and opening it, the soil...
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