Collecting device for rock debris analysis

The utility model discloses a collecting device for rock debris analysis. The utility model relates to a rock debris analysis device. The folding seat consists of a folding chair frame, a seat plate and an airing frame plate; an inserting hole is formed in the middle of the plate surface of the airing frame plate; a plurality of through holes which are connected in sequence are formed in the peripheral plate surface of the insertion hole; a folding umbrella bucket is inserted into the lower end of the insertion hole; the folding umbrella bucket covers the lower ends of the through holes, a collecting basket is inserted into each through hole in a penetrating mode, a leaking net is arranged on the lower surface of each collecting basket, a steel plate funnel is inserted into the lower end of each collecting basket, and each steel plate funnel is opposite to an inner groove of the folding umbrella bucket. The portable folding petroleum drilling machine is simple in structure, convenientto fold and carry, capabl