Anti-collision alignment method for aluminum electrolytic multifunctional crane

Abstract

The invention relates to the technical field of aluminum electrolysis, and concretely relates to an anticollision counterpoint method of multifunctional crown blocks for aluminum electrolysis. In the invention, a laser emitter, a laser receiver, and an arithmetic control unit CPU are arranged on an end carriage at one side of a crossbeam of each multifunctional crown block; two reflecting plates are arranged on two end carriages of the adjacent multifunctional crown blocks, and the two end carriages are opposite to each other; the laser emitter, the laser receiver, and a controller are fixed by a fixed carriage and a locking spring washer; the reflecting plates are fixed by a support frame; a precise power supply which comprises three-terminal voltage regulator tubes 7805 and 7815, a capacitor and a resistor provides power for the laser emitter, the laser receiver and the controller; and detection waves emitted by the laser emitter are reflected to a low frequency amplifier 9014 triode the laser receiver by the reflecting plate to preamplify, are subjected to signal amplification and double bridge filtering processing, are input to the CPU for operation, and are sent to the controller to execute alarm or control the crown blocks to stop. The application of the method of the invention can avoid the damage of crown block parts caused by the bump generated by the opposite motion of the multifunctional crown blocks, so the operation failure rate of the crown blocks is reduced. The method of the invention is suitable for the counterpoint control of the opposite motion of the multifunctional crown blocks for aluminum electrolysis.

Description

technical field [0001] The invention relates to the technical field of aluminum electrolysis, in particular to a method capable of effectively carrying out anti-collision alignment of multifunctional cranes for aluminum electrolysis. Background technique [0002] The crane in the aluminum electrolysis workshop adopts the anti-collision device controlled by the contact travel switch. Because the travel switch limit belongs to the contact type anti-collision, the anti-collision distance is extremely short. When the crane collides with the crane, although the travel switch limit makes the crane power off, the inertia of the crane itself causes the crane to collide with the crane. Cranes slide for a certain distance when they stop, resulting in relatively large rigid collisions, resulting in unstable parking of the cranes and large vibrations, which can easily cause damage to components of the cranes, cause malfunctions, and reduce the reliability of the cranes. Contents of th...

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Problems solved by technology

Since the travel switch limit belongs to the contact type anti-collision, the anti-collision distance is extremely short. When the crane collides with the crane, although the travel switch limit makes the crane power off, the inertia of the crane itself makes the crane collide with the crane. When the cranes are parked, there will be a certain distance of sliding between the cranes, which will cause a large rigid collision, resulting in unstable parking of the cranes and large vibrations, which will easily cause damage to the components of the cranes, cause malfunctions, and reduce the reliability of the cranes.

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