Carrier lift locking structure and locking method to prevent lift deflection during carrier movement

A carrier moving lift locking structure in a carrier moving lift comprising a plurality of first lift rails and a Z-axis rail lifter configured to lift and lower a second lift rail arranged to extend at each of left and right ends of each of the first lift rails, the carrier moving lift locking structure comprising:

• a locking operation device provided at each of left and right portions of each of opposite ends of each of upper and lower support frame members supporting the plurality of first lift rails among two lift rails arranged adjacent to each other;
• a lock shaft coupled to the locking operation device;
• a lock support block provided at left and right portions of a moving support frame member, which is configured to support the second lift rail among the two lift rails, to be opposite to the locking operation device, such that the lock shaft is inserted thereinto,
• wherein when a carrier moves over from each of the plurality of first lift rails toward the second lift rail, in a state in which the locking operation device is operated, the height of the second lift rail is relatively lowered than the height of each of the plurality of first lift rails, so that when the carrier moves over from each of the plurality of first lift rails toward the second lift rail, a collision of the carrier with an end of the second lift rail is prevented, which may occur by falling of the carrier due to a distance that widens due to a clearance between each of the plurality of first lift rails and the second lift rail, thereby preventing the carrier from being damaged by the collision, and when the carrier moves over from the second lift rail toward each of the plurality of first lift rails, the height of each of the plurality of first lift rails is relatively lower than the height of the second lift rail, so that when the carrier moves over from the second lift rail toward each of the plurality of first lift rails, a collision of the carrier with an end of each of the plurality of first lift rails is prevented, which may occur by falling of the carrier due to a distance that widens due to the clearance between each of the plurality of first lift rails and the second lift rail, thereby preventing the carrier from being damaged by the collision.

A locking method to prevent carrier moving lift deflection, the locking method being provided in a carrier moving lift consisting of a plurality of first lift rails and a Z-axis rail lifter configured to lift and lower a second lift rail arranged to extend at each of left and right ends of each of the plurality of first lift rails, and a locking operation device that is provided at each of left and right portions of each of opposite ends of each of upper and lower support frame members supporting the plurality of first lift rails, among two lift rails that are arranged adjacent to each other, allows a lock shaft coupled to the locking operation device to move forward, and the lock shaft is inserted into a lock support block, the lock support block being provided at each of left and right portions of a moving support frame member supporting the second lift rail, from or to which the carrier moves over, to face the locking operation device such that the lock shaft is inserted and coupled thereto, and in a state in which the lock shaft and the lock support block are coupled to each other, each of the plurality of first lift rails and the second lift rail are firmly coupled to each other to correct a height difference between each of the first lift rails and the second lift rail, so that when the carrier moves over from each of the first lift rails toward the second lift rail and from the second lift rail toward each of the first lift rails, damage to the carrier due to a collision with ends of each of the first lift rails and the second lift rail is prevented,

• wherein, in a state in which the locking operation device is operated, the height of the second lift rail is relatively lowered than the height of each of the plurality of first lift rails.