Force balance mechanical arm

Through the force balance mechanism of fixed pulleys and elastic parts, the lightweight and stability of the robotic arm is solved, and stable rotation at low power is achieved, reducing jitter and cost, and is suitable for applications such as cameras.

CN120347816APending Publication Date: 2025-07-22YUEQIAN INNOVATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510819869.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

The existing robotic arms have problems such as large size, heavy weight and high energy consumption, which are difficult to achieve lightweight and stability, and are prone to shake and affect shooting quality in applications such as cameras.

Method used

The force balance mechanism with fixed pulleys, moving pulleys and elastic parts is adopted. By combining the multi-point dynamic geometric configuration with the force conduction mechanism, the lightweight and stability of the robot arm is achieved, and the weight of the telescopic balance arm of the elastic parts is used to reduce the dependence on external power supply.

Benefits of technology

Without increasing energy consumption, the stability and flexibility of the robotic arm can be improved, jitter is reduced, rotation needs at different angles are met, and equipment costs are reduced.

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Abstract

The invention relates to the technical field of mechanical arms, in particular to a mechanical arm structure with a force balance unit, which comprises a base, a first arm body, a connecting piece and a second arm body which are rotationally connected in sequence, and further comprises a first balance mechanism and a second balance mechanism which have the same structure, the first balance mechanism and the second balance mechanism each comprise a shell, a fixed pulley, a movable pulley, a stay wire and an elastic piece, and aiming at the situation that a camera and the like are high in precision of the mechanical arm, the mechanical arm is comprehensively provided while the requirements for light weight and low energy consumption are considered, the stability of the mechanical arm is improved, and the mechanical arm is more stable. And the force balance mechanical arm can independently control the rotation angle of each arm body.
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