Hydraulic lifting well lid
A hydraulic manhole cover technology, which is applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of heavy manhole covers, rigidity, and lack of intelligent control systems, and achieve the effect of saving manpower and easy operation
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[0023] Embodiment: A hydraulic lifting manhole cover, including a manhole cover frame 1, a manhole cover plate 2, a hydraulic cylinder push rod mechanism 3, an electric hydraulic pump module 4, a manual hydraulic pump module 5 and a control box 6, the manhole cover plate Turn up and down and hinge on the well cover frame, the hydraulic cylinder push rod mechanism includes a hydraulic cylinder 31 and a telescopic rod 32, the hydraulic cylinder is fixed on the well cover frame, and one end of the telescopic rod is installed on the hydraulic cylinder , the other end is connected to the manhole cover, the electric hydraulic pump module and the manual hydraulic pump module are connected to the hydraulic cylinder in parallel through pipelines, the electric hydraulic pump module and the manual hydraulic pump module Both can control the lifting of the telescopic rod, the hydraulic cylinder is equipped with a stroke sensor 7, and the electric hydraulic pump module and the stroke sensor ...
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