Protection device of hydraulic pump station for drilling machine ship

• Main Authors: XIAO JIANGUO, YUAN MING, TANG GUANGWEN, LIANG JIN, SU DONGHUA, LIN SHIQUAN, REN CHUNGANG, LI XIAOXIA, LU HONGYI, NONG ZHIXIANG, MA BENTAI, YAO FANGMING, LU SHAOFENG, ZHANG KUN, LIU YONGLONG
• Format: Patent
• Language: Chinese; English
• Published: 08.11.2022
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model discloses a protection device of a hydraulic pump station for a drilling machine ship, and belongs to the technical field of ship hydraulic pumps for water transportation engineering construction. A protection device of a hydraulic pump station for a drilling machine ship comprises a driving loop, the output end of the driving loop is electrically connected with a first unit, the output end of the first unit is electrically connected with a second unit, the output end of the second unit is electrically connected with an electromagnetic valve set, and the first unit comprises a two-key control loop. The output end of the two-key control loop is electrically connected with a delay control loop, the output end of the delay control loop is electrically connected with a buoyancy liquid level switch, and the output end of the buoyancy liquid level switch is electrically connected with an audible and visual alarm. By the adoption of the structure, the problems that oil leakage of the oil tank canno