An inner oil tank of an oil-hydraulic buoyancy adjustment device

Abstract

The invention discloses an inner oil tank of an oil hydraulic buoyancy adjusting device. The inner oil tank comprises an oil tank upper shell and an oil tank lower shell which are mounted together, wherein a through hole is formed in the top of the oil tank upper shell. The improvement lies in that an oil tank diaphragm is arranged between the oil tank upper shell and the oil tank lower shell; hydraulic oil inside the inner oil tank is stored between the oil tank diaphragm and the oil tank lower shell; a cavity is arranged at the bottom of the oil tank lower shell; the cavity is sealed through a perforated seal cover; and screen holes which communicate with the cavity are formed in the top of the oil tank lower shell. According to the disclosed inner oil tank of the oil hydraulic buoyancy adjusting device, the hydraulic oil inside the inner oil tank is stored between the oil tank diaphragm and the oil tank lower shell through the oil tank diaphragm, the hydraulic oil is isolated from the oil tank upper shell, and the problem that oil leaks when the device is placed upside down is completely avoided.

Description

technical field [0001] The invention belongs to the field of buoyancy adjustment devices, in particular to an inner oil tank of an oil-hydraulic buoyancy adjustment device in the field which controls its submersion and ascent by adjusting its own buoyancy. Background technique [0002] Chinese invention patent CN102079375 A, master's thesis "Development of Oil Bag Type Buoyancy Adjustment Device" (Huazhong University of Science and Technology, Fang Xu) discloses oil-hydraulic buoyancy adjustment system such as figure 1 As shown, it mainly includes inner and outer containers, one-way valves, electromagnetic reversing valves, two-way hydraulic pumps, motors, etc., wherein the outer container is a sealed cavity and placed in the environmental medium outside the device shell; the rest of the components are placed in the device shell. The inner container is a non-sealing ring cavity, which ensures that it is balanced with the pressure in the device housing. When the motor drives...

AI Technical Summary

Problems solved by technology

[0003] In the case of high sea conditions, if the device is turned upside down due to the turbulence of the waves, the hydraulic oil in the inner container will leak out of the inner container because the inner container is a non-sealed ring, which will not only pollute the internal environment of the device, but also affect the diving and floating of the device performance

[0004] In addition, the hydraulic oil circulation between the inner and outer containers can only be completed by the motor-driven hydraulic pump, which not only wastes the precious electric energy of the device, but also cannot use the negative pressure environment in the device to realize the automatic return of hydraulic oil from the outer container to the inner container

Images