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The main propulsion system of the ocean geological survey vessel "Ye Zhi Zheng" has successfully passed factory acceptance testing.

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2015.12.31

Translated from China Shipbuilding News 2015 Year 11 Month 10 On the same day, the main propulsion system of the "Ye Zhizheng" oceanographic survey vessel, designed and manufactured by HAGG. for the Qingdao Institute of Marine Geology, successfully passed the factory acceptance test.

This product's factory testing was conducted in two parts: on-site gearbox trial runs and adjustable propeller debugging tests. Prior to the tests, experts from institutions such as the Qingdao Institute of Marine Geology Survey, Huanghai Shipbuilding Co., Ltd., and China Shipbuilding Industry Corporation’s 701st Research Institute carefully listened to Hangzhou Gear’s presentation on the production process and quality assurance measures for the adjustable propellers, and subsequently reviewed relevant technical documents and quality inspection records.

Under the rigorous on-site supervision of the acceptance expert panel, Hangcha conducted a thorough field trial test of the main propulsion system for the "Ye Zhizheng"-class research vessel, which was just delivered from the factory. The gearbox field testing followed the factory test plan, simulating real-world operating conditions to evaluate the gearbox's temperature, pressure, noise, vibration levels, and clutch functionality, as well as verifying the safety settings and performance of the gearbox protection system. Meanwhile, the adjustable propeller commissioning tests involved integrated electro-mechanical-hydraulic adjustments under simulated operational scenarios. Specifically, the adjustable propeller, oil distributor, hydraulic system, and control system components were assembled and interconnected within the workshop, and then various operational conditions—such as pitch adjustment, control mode switching, emergency operations, and relevant parameter settings—were meticulously replicated according to actual ship-handling procedures. Through these comprehensive joint commissioning experiments, the overall reliability of the completed propulsion system was rigorously verified, ensuring that the product leaves the factory in optimal working condition.

The Yezhizheng is a marine geological research vessel named after Marine Geology Scholar Ye Zhizheng The Marine Geology Science Named After the Gentleman Investigation vessel The ship is equipped with GPS Positioning and navigation systems, equipped with multi-beam seabed detectors, depth sounders, and marine gravimeters, Magnetometer Equipped with a variety of scientific research instruments and equipment that are internationally advanced, it is a well-equipped, high-tech oceanographic survey vessel primarily tasked with Nearshore And Shallow sea The ocean geological survey mission. With the commissioning of the Yezhizheng, the oceanographic research vessel dedicated to marine geology, China has significantly upgraded its equipment for marine geological surveys, strengthening the Qingdao Institute of Marine Geology's capacity for oceanic exploration. This advancement provides a crucial tool and robust foundation for seamlessly integrating marine geological surveys with scientific research, making it a powerful asset for both marine engineering geology and marine environmental geology studies.