China Three Gorges has been granted a patent for an auto-lock hydraulic hoist cylinder device. The invention features a lock actuator, lock transmission mechanism, and load-bearing mechanism, including a locking shaft and nut, designed to enhance the functionality and safety of hydraulic hoists. GlobalData’s report on China Three Gorges gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on China Three Gorges, AI assisted CAD was a key innovation area identified from patents. China Three Gorges's grant share as of June 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Auto-lock hydraulic hoist cylinder device
The patent US12012977B2 describes an innovative auto-lock hydraulic hoist cylinder device designed to enhance safety and efficiency in load handling. The device comprises a lock actuator, a lock transmission mechanism, and a load-bearing mechanism. The load-bearing mechanism features a locking shaft equipped with a load-bearing nut and protrusions that interact with a locking cover. The lock actuator, positioned on the upper end cover of the main hydraulic hoist, drives the locking shaft through the transmission mechanism, ensuring secure load management. The design includes a positioning system with sensors to monitor the locking and unlocking states, enhancing operational safety.
Additionally, the patent outlines a control method for transitioning the device between locked and unlocked states. This method involves a series of steps that utilize hydraulic oil to manipulate the piston and locking cover, facilitating the alignment and misalignment of the locking components. The control process is further enhanced by an electromagnetic bolt that provides position feedback, ensuring that the load-bearing mechanism is securely locked or unlocked as needed. The design's precision, including the specific arrangement of sensors and the mechanical interactions between components, aims to improve the reliability and functionality of hydraulic hoist systems in various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
