Self-rotating fish protection area monitoring device
A monitoring device and a protection area technology, which is applied in the field of self-rotating fish protection area monitoring devices, can solve the problems of shooting/photography, monitoring of difficult fish spawning grounds, etc., and achieve the effect of increasing the viewing angle range
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[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0023] Such as figure 1 As shown, a self-rotating fish protection area monitoring device includes a buoyancy device 21, a connecting rope 20, a support frame 1, a transparent box 8 arranged on the support frame, a vertical conduit 2 arranged on the support frame, a set A slidable piston body 15 in the vertical conduit, a lower limit block 14 arranged on the inner side of the vertical conduit and positioned below the piston body, a back-moving spring 16 that can make the piston body move downward and reset, the The vertical guide pipe 3 and the cleaning guide pipe 10 arranged on the support frame.
[0024] Four supporting feet are arranged at the bottom of the supporting frame, and the four supporting feet are evenly distributed around the axis of the vertical conduit. The supporting foot comprises a vertical guide rod 24 arranged at the bottom...
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