A floating self-locking covering mechanism, robot and control method

By using a floating self-locking coating mechanism, combined with a ball screw and worm gear structure, the problems of insufficient freedom of coating components and incomplete limit protection in existing technologies have been solved, achieving high-precision and stable coating of insulating coating, and improving the safety and efficiency of robot operation.

CN115762912BActive Publication Date: 2026-07-24STATE GRID INTELLIGENCE TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
STATE GRID INTELLIGENCE TECHNOLOGY CO LTD
Filing Date
2022-11-24
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing overhead line insulation coating robots suffer from several drawbacks, including limited freedom of the floating mechanism of the coating components, susceptibility to wire jamming, lack of self-locking structure, poor guiding stability, and imperfect limit protection logic, all of which affect coating effectiveness and safety.

Method used

A floating self-locking covering mechanism is adopted, which combines a ball screw assembly and a worm gear mechanism to achieve multi-degree-of-freedom floating. Multiple limit protection logics are constructed through photoelectric sensors and mechanical limit plates to ensure the stability and self-locking of the covering assembly.

Benefits of technology

It improved the quality and precision of the coating operation, reduced the difficulty of operation and maintenance, enhanced the stability and safety of robot operation, avoided jamming, and ensured the uniform coating of insulating coating.

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    Figure CN115762912B_ABST
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Abstract

The application provides a floating self-locking covering mechanism, a robot and a control method. One end of a floating assembly is used for being connected with a walking assembly of the robot, and the other end of the floating assembly is connected with a first covering assembly. The first covering assembly at least comprises a ball screw assembly. A screw nut of the ball screw assembly is connected with a second covering assembly. The second covering assembly can be driven by the screw to cooperate with the first covering assembly to complete covering. The floating assembly comprises a first fixing member, a second fixing member, a sliding support and a floating fixing member. The sliding support is used for being connected with the walking assembly. The floating fixing member is connected with the first covering assembly. First ends of the first fixing member and the second fixing member are respectively limited in the sliding support through spring locking pins. Second ends of the first fixing member and the second fixing member are respectively connected with the floating fixing member through positioning pins. The application realizes up and down free floating of the covering mechanism, and improves the covering effect of the robot.
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Citation Information

Patent Citations

  • CN107611844A

  • CN114188101A

  • CN112676063A

  • CN113953141A

  • JP2003117461A