A mechanical arm device for replacing the liner of a ball mill

Abstract

The invention discloses a mechanical arm device for replacing lining plates of a ball mill. The mechanical arm device comprises a chassis, universal casters, a machine frame, a swinging arm mechanism,a rotary arm volute disc, a rotary table, a worm, a gear motor and a gripper mechanism, wherein the four universal casters are arranged on the lower side of the chassis; the rotary arm volute disc and the machine frame form a revolute pair, the worm and the rotary arm volute disc form worm and worm gear drive, the worm and the gear motor transmit power through two gears meshing with each other, and the rotary arm volute disc and rotating shafts form a revolute pair; the swinging arm mechanism comprises a short connecting rod, a long connecting rod and an electric push rod, one end of the short connecting rod and the rotary arm volute disc form a revolute pair, the other end of the short connecting rod and the long connecting rod form a revolute pair, the long connecting rod and the rotarytable form a revolute pair, the electric push rod is arranged between the short connecting rod and the long connecting rod, and the electric push rod controls relative rotation of the rotary table and the rotary arm volute disc; and a telescopic outer arm is fixedly connected with the rotary table, a telescopic inner arm and a small arm form a revolute pair, a small arm motor provides power for the rotation of the small arm, the small arm and a gripper installing table form a revolute pair, and the gripper mechanism is arranged on the gripper installing table.

Description

technical field [0001] The invention relates to a mechanical arm device, in particular to a mechanical arm device for replacing the liner of a ball mill. Background technique [0002] The liner of the ball mill is used to protect the cylinder of the ball mill from the direct impact and friction of the grinding body and the material. At the same time, different forms of liners can be used to adjust the movement state of the grinding body to enhance the crushing of the material by the grinding body It helps to improve the grinding efficiency of the mill, increase the output and reduce the metal consumption. At present, domestic ball mill liner replacement equipment is backward, and a device similar to a truck-mounted crane is used, which is composed of a telescopic arm, a slewing support and a winch. To the hoisting position, the liner is hoisted and then manually pushed to the exact installation position. Due to the large and numerous liners inside the ball mill, it takes a...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems that domestic ball mill liner replacement equipment is backward, a large amount of manpower is required, the working environment of workers is unsafe, safety accidents are prone to occur, and the cost of introducing foreign equipment is expensive, the purpose of this invention is to provide a machine for ball mill liner replacement The arm device is not only low in cost but also flexible in movement, and can meet the multi-degree-of-freedom requirements when installing and replacing liners

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