A safety protection device for a hatch door for a hoisting machine

Abstract

The invention belongs to a hatch door safety protection device for hoisting machinery, comprising a first safety protection unit mounted on the hatch door and a second safety protection unit mounted on the hoisting machinery, the first safety protection unit and the second safety protection unit The two facing laser sensors in the unit are arranged in the same line; the safety protection unit includes the lower box, the adjustment frame and the upper cover; the upper cover includes the upper plate and the upper frame; the lower box includes the box body, and the box body has a side opening. The side plate is fixed on the inside of the side opening, and the bottom of the box body is provided with a middle cavity, and the side cavities are mirrored on both sides of the middle cavity. There are door frame mounting plates on both sides of the bottom of the door frame, vertical grooves on the side plates of the door frame, and horizontal frames between the vertical grooves. The horizontal frames are connected to the laser mounting seat through the horizontal grooves. Equipped with a beam-to-beam laser sensor; it has the advantages of simple structure, reasonable design, easy operation, and timely alarm when the hatch is not closed.

Description

Technical field [0001] The invention belongs to the technical field of hoisting machinery accessory parts, and specifically relates to a safety protection device for a cabin door of a hoisting machinery. Background technique [0002] At present, a large number of hoisting machines are used in ports and various transshipment warehouses. Hoisting machines refer to electromechanical equipment used for vertical lifting or vertical lifting and horizontal movement of heavy objects. The range is specified as the rated lifting capacity is greater than or equal to 0.5-ton elevator; tower crane with a rated lifting capacity greater than or equal to three tons, or a tower crane with a rated lifting torque greater than or equal to 40 tons per meter, or a loading and unloading bridge with a productivity greater than or equal to 300 tons per hour, and lift Cranes with a height greater than or equal to two meters; mechanical parking equipment with a number of floors greater than or equal to two...

AI Technical Summary

Problems solved by technology

[0003] Some cranes are controlled by remote control. Usually, such cranes are used inside the workshop with small loads. Most of the large-tonnage cranes require the driver to operate inside the cockpit of the crane. The door of the cockpit is closed when the crane is in operation. It must be closed. The cockpit of some gantry cranes moves with the movement of the gantry, and the driver in the cockpit also moves accordingly. The safety hazard of falling out of the cockpit

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