Device and method for keeping pallet fork of rotary conveyor horizontal

Abstract

The invention discloses a device and method for keeping a pallet fork of a rotary conveyor horizontal. The device comprises a main track, a balance track and a pallet fork mechanism, the pallet fork mechanism comprises a pallet fork, a pallet fork shaft, a trolley assembly and a balance assembly, the pallet fork is arranged at one end of the pallet fork shaft, the pallet fork shaft is arranged inthe trolley assembly, and the trolley assembly is installed on the main track and drives the pallet fork to walk along the main track. The balance assembly comprises an installation plate and balancewheels, the other end of the pallet fork shaft is provided with the installation plate, the other face, away from the trolley assembly, of the installation plate is provided with the balance wheels, the balance wheels are installed on the balance track and walk along the balance track, and the rotation centers of the balance wheels and the rotation center of the pallet fork shaft are not coaxial.The device is simple in structure, the purpose that the pallet fork shaft is kept horizontal in the rotary motion process is achieved through the balance wheels and the balance track, balance performance is good, installation and adjustment are easy, the problem that a traditional pallet fork is poor in rotary positioning is solved, pallet fork rotary rigidity is remarkably improved, and reliability is high.

Description

technical field [0001] The invention relates to the technical field of rotary conveyors, in particular to a device and a method for keeping the forks of rotary conveyors horizontal. Background technique [0002] In the field of material box conveyors, rotary continuous vertical conveyors are mostly used for large-flow vertical material box handling, and how to ensure that the forks carrying material boxes remain horizontal during the rotation process is the key technology of this type of equipment. The existing rotary reciprocating vertical conveyors have a vertical link structure and a four-wheel positioning structure for keeping the fork level. A set of balance chains keeps the fork shaft level through a set of retractable connecting rod structure, so as to ensure the level of the fork, but the vertical connecting rod type has high requirements for the synchronization of the main sprocket and the balance sprocket, and requires manufacturing accuracy Higher, and there is a...

AI Technical Summary

Problems solved by technology

The existing rotary reciprocating vertical conveyors have a vertical link structure and a four-wheel positioning structure for keeping the fork level. A set of balance chains keeps the fork shaft level through a set of retractable connecting rod structure, so as to ensure the level of the fork. However, the vertical connecting rod type has high requirements for the synchronization of the main sprocket and the balance sprocket, and requires manufacturing accuracy. Higher, and there is a gap in the positioning of the fork shaft, resulting in poor rotation rigidity of the fork, and once the tooth skipping phenomenon occurs, the fork cannot be kept level, and adjustment is troublesome

In addition, the four-wheel positioning structure is equipped with four positioning wheels at the tail of the fork shaft. Each positioning wheel is not in the same plane. When turning up and down, the position of three of the wheels is limited to achieve the purpose of the fork level. , but the number of balance wheels in the four-wheel positioning structure is large, and the number of balance rails at the up and down turns is large, and the requirements for the shape and position of the balance rails are relatively high

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