3results about How to "Protective equipment" patented technology

The utility model discloses a dust collection device for a toilet paper production workshop, which comprises a cart, the top of the cart is fixedly connected with a mounting groove, the interior of the mounting groove is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a lifting strip. Through cooperation of the stepping motor, the rotating disc, the lifting strip, the lifting groove, the threaded rod, the lifting block, the moving strip, the translation groove, the translation column, the translation block and the dust collection cover, the angle, height and horizontal position of the dust collection cover can be flexibly adjusted, a dust source can be accurately aligned, the dust collection efficiency is improved, and the dust collection effect is good. Then through cooperation of a dust collection fan, a flow divider and a telescopic dust collection pipe, a dust collection system can be formed, dust can be effectively collected, a toilet paper production workshop is kept clean, and a cart is convenient to move and can be flexibly placed according to the layout of production equipment.

The utility model relates to a louver technical field especially relates to a kind of high -efficient waterproof ventilation louver for sailing ship. It includes louver main part, the louver main part top is provided with inverted L shape ventilation passage, the louver main part back is provided with mounting shell, waterproof assembly is provided in the mounting shell. The utility model is through the positive rotation of motor by controller start, motor drives shaft and sprocket chain transmission, realizes a shaft winding waterproof membrane roll, another shaft winding connection line, quickly unfolds waterproof membrane, easy to operate and efficient, can be in time to louver waterproof protection, avoid rainwater into the ship interior, protect the equipment, goods and ship structure in ship, reduce the corrosion, short circuit and so on fault risk caused by rainwater erosion.

The utility model discloses a tower crane foundation protection device which comprises a protection piece which is arranged on a tower crane foundation in a surrounding mode and used for protecting the tower crane foundation and a positioning rod which is used for positioning and auxiliary supporting of the protection piece, and the protection piece comprises a protection fence and a protection door installed on the protection fence. The protective fence comprises a plurality of horizontal rods, a plurality of vertical rods arranged in the length direction of the horizontal rods, vertical connecting pieces used for vertical connection and corner connecting pieces used for corner connection, every two adjacent horizontal rods are connected into an L-shaped structure through the corresponding corner connecting pieces, and the vertical rods are fixedly installed on the horizontal rods through the vertical connecting pieces. The protective door comprises a door body arranged between the two vertical rods and connecting rods fixed to the two sides of the door body, and the connecting rods are fixedly connected with the vertical rods through vertical connecting pieces. And the positioning rods are arranged at the inner corners of the protection pieces and are fixedly connected with the ground at the tower crane foundation. The device is assembled by adopting assembly type components, is convenient to assemble and disassemble, and is favorable for turnover use.