Manufacturing and use method for screw type domestic crane

Abstract

The invention discloses a manufacturing and use method for a screw type domestic crane. The screw type domestic crane is composed of a bottom plate, an upper plate, a hydraulic cylinder, a rotating arm, a soft rope, a fixed pulley and a movable pulley. Trundles are installed on the lower face of the bottom plate, and the hydraulic cylinder is installed on the upper face of the bottom plate. The upper end of an ejector rod of the hydraulic cylinder is connected with a screw rod. The rotating arm is installed on the screw rod. A ball head, a ball head seat and the upper plate are connected to the upper end of the screw rod. The top end of the rotating arm is connected with the soft rope and the fixed pulley. The soft rope is connected with the movable pulley. The movable pulley can ascend by dragging the soft rope, and therefore a hooked object can be lifted to the needed height. During use, the crane is assembled on a balcony to enable the rotating arm to stretch out of a window of the balcony, the hydraulic cylinder is operated so that the ejector rod can ascend to the upper plate to make contact with a top board, and therefore a body of the crane can be erected and fixed between the ground of the balcony and the top board. The soft rope can be dragged to lift a burglary-resisting window and a burglary-resisting net needing to be installed to an installation position.

Description

technical field [0001] The invention discloses a method for manufacturing and using a spiral home improvement crane, which belongs to the field of tools for home improvement construction. Background technique [0002] In urban residential quarters, it is very common for families to install anti-theft windows and safety nets. These anti-theft windows and safety nets are hoisted up as a whole after they are made and shaped, and the hoisting is all done by manpower through ropes. This construction method not only The labor intensity is high, and it is very dangerous, and there are fatal accidents every year. Therefore, people need a home improvement crane that is portable, easy to assemble, and reliable in performance. Contents of the invention [0003] The purpose of this application is to provide a method of manufacturing and using a spiral home improvement crane. The home improvement crane is composed of a chassis, an upper plate, a hydraulic cylinder, a rotating arm, a so...

AI Technical Summary

Problems solved by technology

[0002] In urban residential quarters, it is very common for families to install anti-theft windows and safety nets. These anti-theft windows and safety nets are hoisted up as a whole after they are made and shaped, and the hoisting is all done by manpower through ropes. This construction method not only The labor intensity is high, and it is very dangerous, and there are fatal accidents every year. Therefore, people need a home improvement crane that is portable, easy to assemble, and reliable.

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