Sand taking device underwater proportional triggering device
A triggering device and a proportional technology, applied in the sampling device and other directions, can solve the problems of large water surface fluctuation, increase the labor intensity of the staff, and prolong the measurement time, etc., and achieve the effects of easy processing, shortening the measurement time, and reducing the work intensity.
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[0032] This embodiment provides an underwater fixed-proportion trigger device for a sand extractor, such as Figure 1 to Figure 7As shown, including the bracket part, the power part, the proportional part and the trigger part;
[0033] The bracket part includes bracket II101;
[0034] The power part includes a rotatable pulley 201, a floating ball 202 that passes through the suspension rod 501 and can move along the suspension rod 501, a traction rope 203 that connects the floating ball 202 and the outer wall of the pulley 201, and extends into the pulley 201 from the first end opening of the pulley 201. Scroll spring installation shaft 207, scroll spring 204, and right-angle reducer 205 that are inside and do not rotate with the pulley 201; the inner end of the scroll spring 204 is fixed on the scroll spring installation shaft 207, and the outer end is fixed on the inner wall of the pulley 201 ; The input end of the right-angle reducer 205 is connected with the connecting sh...
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