A propellant venting connector docking lock arrow device

By designing a propellant vent connector docking and locking device, and utilizing an installation platform and drive mechanism to automatically dock with the rocket vent outlet, the problems of low efficiency and safety risks associated with traditional manual docking are solved, achieving efficient and safe propellant venting treatment.

CN121291821BActive Publication Date: 2026-05-26BEIJING DAHANG YUEQIAN TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING DAHANG YUEQIAN TECHNOLOGY CO LTD
Filing Date
2025-10-13
Publication Date
2026-05-26

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Abstract

This invention discloses a propellant venting connector docking and locking device for venting propellant from a rocket being recovered and suspended from a robotic arm on a launch tower. The docking and locking device includes an installation platform; an installation plate driven by a first drive mechanism to rotate vertically on the installation platform; multiple rocket-holding mechanisms evenly distributed circumferentially on the installation plate, driven by a second drive mechanism to synchronously move radially toward each other towards the center and synchronously move radially away from each other towards the center; multiple rocket-bearing mechanisms evenly distributed circumferentially on the installation plate to support the rocket; an industrial robot is installed on the installation plate, and a connector is provided at the end effector of the industrial robot. The connector is driven by the industrial robot to dock with the rocket's venting port and is used to vent the propellant. This invention can effectively reduce the safety risks to personnel involved in the handling of rocket propellant after recovery and improve the efficiency of propellant venting and handling.
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Citation Information

Patent Citations

  • Automatic docking system and method for loading and unloading connector of carrier rocket

    CN115743631A