A heavy-load robot

By setting up a balancing load device in the heavy load robot, using torque balancing to reduce the motor torque and adjust the center of gravity position, the existing heavy load robots are solved, and lightweight and safety are improved.

CN115091449BActive Publication Date: 2025-04-04伯朗特机器人股份有限公司
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Patent Information

Application Number
CN202210898181.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-28
Publication Date
2025-04-04
Estimated Expiration
2042-07-28

AI Technical Summary

Technical Problem

Due to the increase in volume and weight of the motor and reducer, the existing heavy-load robots have bulky structures and low flexibility. The change in the center of gravity position during the handling process leads to unstable fuselage, or even rollover, affecting safety.

Method used

By setting up a robot balanced load device, the torque balancing effect of the first adapter plate, tie rod and balanced load block is used to reduce the output torque required by the motor that drives the joint to rotate, and the peak value of the motor required by adjusting the center of gravity position of the balanced load block is further reduced.

Benefits of technology

It realizes the reduction of the volume and weight of the motor and reducer, improves the flexibility of the robot, and effectively controls the maximum required motor torque, prevents the robot from turning around and improves the safety of use.

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Abstract

A heavy-load robot includes a one-axis joint, a three-axis forearm and a three-axis motor; the three-axis forearm is located above the one-axis joint and rotates around a first axis parallel to the horizontal plane; the three-axis motor is installed on the one-axis joint; it also includes a robot load balancing device, including: a first adapter plate, a pull rod and a balance load block; the three-axis motor drives the first adapter plate to rotate; the pull rod is hinged between the first adapter plate and the three-axis forearm; as the three-axis motor rotates, the first adapter plate drives the three-axis forearm to rotate around the first axis through the pull rod; the torque generated by the balance load block and the first adapter plate relative to the axis of the output shaft of the three-axis motor is opposite to the torque generated by the total load driven by the three-axis forearm relative to the first axis, and as the position of the balanced center of gravity formed by the balance load block and the first adapter plate changes, the peak value of the output torque of the three-axis motor becomes smaller. Compared with the prior art, the heavy-load robot of the present invention can reduce the motor torque and achieve lightweight robot.
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