Sealing device,test tool and test method for air tightness bulkhead requirements,

Abstract

The invention is applicable to the technical field of marine propellers, and provides a sealing device, a test tool and a test method for air tightness bulkhead requirements. A dummy shaft is fixedlymounted at one end of a bulkhead sealing device, and the other end of the bulkhead sealing device is fixedly connected with the test tool through a bolt; the end, away from the bulkhead sealing device, of the dummy shaft is fixedly connected with the output end of a motor, an oil tank is arranged at the top end of the bulkhead sealing device, the oil tank is filled with lubricating oil, and an oiloutlet of the oil tank is communicated with an oil inlet of the bulkhead sealing device. The device has the main advantages that the structure is simple, the cost is low, sealing between the two bulkheads is effectively achieved so that harmful gas can be prevented from flowing into the main engine room from the waste oil cabin, meanwhile, once seawater enters the stern bulkhead, bulkhead sealingcan be continuously used for sealing between the stern bulkhead and the bow bulkhead, and seawater in the stern bulkhead can be effectively prevented from entering the bow bulkhead.

Description

technical field [0001] The invention belongs to the technical field of marine propellers, and in particular relates to a sealing device and a test tool for airtight bulkhead requirements. Background technique [0002] According to the requirements of the hull layout, the shafting of the marine propeller is sometimes very long and needs to pass through the bulkhead of the hull. The compartment packing device came into being. When the stern compartment of the hull is flooded, the stuffing box of the compartment packing device , to achieve the watertight function between the two bulkheads. At this time, the shafting needs to stop running. When the shafting is in normal operation, there is a large gap between the stuffing box of the compartment filler and the shafting. The two cabins There is gas flow between the two compartments, so the current compartment packing device cannot realize the tightness function of the two compartments when the shafting is in normal use. [0003] ...

AI Technical Summary

Problems solved by technology

[0002] According to the requirements of the hull layout, the shafting of the marine propeller is sometimes very long and needs to pass through the bulkhead of the hull. The compartment packing device came into being. When the stern compartment of the hull is flooded, the stuffing box of the compartment packing device , to achieve the watertight function between the two bulkheads. At this time, the shafting needs to stop running. When the shafting is in normal operation, there is a large gap between the stuffing box of the compartment filler and the shafting. The two cabins There is gas flow between the two compartments, so the current compartment packing device cannot realize the tightness function of the two compartments when the shafting is in normal use

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