POWER AUXILIARY DEVICE FOR SMALL-BORE PROPULSION MACHINE END DEVICE AND SMALL-BORE PROPULSION MACHINE WITH BUILT-IN HYDRAULIC POWER

摘要

PROBLEM TO BE SOLVED: To provide a power auxiliary device for a small-bore propulsion machine end device and a small-bore propulsion machine with built-in hydraulic power, which enhance the efficiency of operations and reduce operating hours by abolishing the connection of hoses to the end device, connecting or incorporating a power device into the end device, and inhibiting temperature rises at the power device. ;SOLUTION: This power auxiliary device 26 with a pump 1, a motor 2, a hydraulic fluid tank 5 and the like built therein is directly connected to an end device via a pressure oil feed port 9 and a return oil connection 31 located at the end of the device 26, and supplies hydraulic fluid 3 in the hydraulic fluid tank 5 into the end device as hydraulic power by means of the pump 1 to actuate the end device; the high- temperature hydraulic fluid 3 returned from the end device is contacted with the ground via the exterior wall of the hydraulic fluid tank 5 formed in common with the device exterior wall 12 and contacted with the ground. The high temperature of the hydraulic fluid 3 is released as heat into the ground to cool the hydraulic fluid 3. The hydraulic fluid 3 cooled is forced to circulate through each part by the pump 1 to cool each part to ensure normal actuation.;COPYRIGHT: (C)2001,JPO