2results about How to "Avoid direct contact wear" patented technology

The embodiment of the application provides a device for detecting tooth root of goods of unmanned forklift, comprising an unmanned forklift, characterized in that: the bottom of the unmanned forklift is provided with a fork, and a tooth root sensing assembly is arranged at the root of the fork; the tooth root sensing assembly is embedded in the internal groove area of the fork, and the tooth root sensing assembly is lifted synchronously with the fork; the tooth root sensing assembly comprises a sensing plate, a proximity switch, a fixing support, a sensing bolt, a rotating shaft, a torsional spring and a bolt. The technical problem solved by the application is to provide a device for detecting tooth root of goods of unmanned forklift, which combines mechanical structure and inductive proximity switch to improve the stability and reliability of goods detection, enhance the adaptability to low-temperature environment, and reduce maintenance cost.

The invention discloses a photovoltaic module frame anti-seepage connection structure, and relates to the technical field of photovoltaic module frames, the photovoltaic module frame anti-seepage connection structure comprises a water tank and an anti-seepage unit, the water tank is characterized in that the two sides of the top surface of the water tank are attached to the bottom surfaces of two placement racks correspondingly attached to the inner side surfaces, the bottom ends of the two placement racks are fixedly provided with frames, and the frames are fixed to the bottom surfaces of the two placement racks; a fixing unit is arranged on the top surface of the frame; the water seepage prevention unit comprises a fixing screw rod, a support, a mounting bolt, a pressing and fixing frame, a fixing base, a spring groove, a pressing and fixing spring and a water seepage prevention pressing plate, according to the photovoltaic module frame water seepage prevention connecting structure, the water tank can be fixed to the top face of the photovoltaic support through cooperation of the frame and the clamping and fixing plate, and the fixing screw rod is rotated to enable the pressing and fixing frame to press and fix the photovoltaic module frame; the pressing and fixing spring contracts so that the anti-seepage water pressing plate can be pressed on the top face of the photovoltaic module frame, and the problem that water seepage occurs in connection between the photovoltaic module frames is solved in cooperation with the anti-seepage water pad.