CN114110394A - Nacelle propeller bearing lubricating system - Google Patents

Nacelle propeller bearing lubricating system Download PDF

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Publication number
CN114110394A
CN114110394A CN202111362339.2A CN202111362339A CN114110394A CN 114110394 A CN114110394 A CN 114110394A CN 202111362339 A CN202111362339 A CN 202111362339A CN 114110394 A CN114110394 A CN 114110394A
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China
Prior art keywords
oil
communicated
drive
valve
outlet
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Granted
Application number
CN202111362339.2A
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Chinese (zh)
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CN114110394B (en
Inventor
苏颖
周博文
侯志岩
马志刚
陈防震
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Priority to CN202111362339.2A priority Critical patent/CN114110394B/en
Publication of CN114110394A publication Critical patent/CN114110394A/en
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Publication of CN114110394B publication Critical patent/CN114110394B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N2039/007—Using strainers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

A nacelle propeller bearing lubricating system comprises a nacelle propeller shell and a fluid slip ring arranged on the top of the nacelle propeller shell, wherein a driving-end lubricating oil tank, a non-driving-end lubricating oil tank, a driving-end pump group and a non-driving-end pump group are arranged in the nacelle propeller shell, and a driving-end oil processing unit and a non-driving-end oil processing unit are arranged outside the nacelle propeller shell; an oil outlet of the drive end lubricating oil tank is communicated with an oil inlet of the drive end oil processing unit through a drive end pump group and a fluid slip ring, and an oil outlet of the drive end oil processing unit is communicated with an oil return port of the drive end lubricating oil tank through the fluid slip ring; the oil outlet of the non-drive end lubricating oil tank is communicated with the oil inlet of the non-drive end oil processing unit through a non-drive end pump set and a fluid slip ring, and the oil outlet of the non-drive end oil processing unit is communicated with the oil return port of the non-drive end lubricating oil tank through the fluid slip ring. The design not only has good circulation of the lubricating oil, but also can ensure the quality of the lubricating oil and is convenient to overhaul.

Description

Nacelle propeller bearing lubricating system
Technical Field
The invention relates to a bearing lubricating system, in particular to a nacelle propeller bearing lubricating system which is particularly suitable for lubricating a nacelle propeller bearing in an ice region.
Background
The pod propeller is a novel ship propulsion device with high electromechanical-hydraulic combination, a propulsion motor, a lubricating system, a monitoring system, a braking system and the like are arranged inside a pod shell by the pod propeller, when the pod propeller works normally, a bearing arranged in the shell of the pod propeller needs to bear the gravity of a rotary driving shafting and the thrust generated by a propeller, and is influenced by vibration, impact and the like generated by the operation of the propeller, and the working condition of the bearing is relatively bad; in the process of bearing operation, mutual friction exists between all moving parts, and meanwhile, abrasion particles generated in the process of bearing operation can aggravate bearing abrasion, so that a bearing lubricating system is provided for lubricating a pod bearing group.
The temperature of lubricating oil is difficult to control in the existing propeller, particularly for ships working in ice regions; meanwhile, lubricating oil in the existing lubricating system only circulates in the propeller, so that whether oil leakage exists or not is not easy to monitor, oil supplement is carried out in time, great hidden danger is caused on the aspect of protecting the safety of the bearing, and the abrasion condition of the whole bearing is difficult to monitor.
Disclosure of Invention
The invention aims to solve the problems that the pod propeller in the prior art is difficult to control the circulation of lubricating oil and monitor the lubricating state, and provides a pod propeller bearing lubricating system which can ensure sufficient and good circulation of lubricating oil and can monitor the wear condition of a bearing.
In order to achieve the above purpose, the technical solution of the invention is as follows:
a pod propeller bearing lubrication system comprising: the pod propeller comprises a pod propeller shell and a fluid slip ring arranged at the top of the pod propeller shell, wherein a drive-end lubricating oil tank, a non-drive-end lubricating oil tank, a drive-end pump set and a non-drive-end pump set are arranged in the pod propeller shell;
the oil inlet of the non-drive end pump set is connected with the non-drive end lubricating oil tank, the oil outlet of the non-drive end pump set is communicated with the oil inlet of the non-drive end oil processing unit through the fluid slip ring, and the oil outlet of the non-drive end oil processing unit is communicated with the oil return port of the non-drive end lubricating oil tank through the fluid slip ring.
The drive end oil treatment unit comprises a first duplex filter and a first heat exchanger, an oil outlet of the first duplex filter is communicated with an oil inlet of the first heat exchanger, an oil inlet of the first duplex filter is communicated with an oil outlet of the drive end pump set through a fluid slip ring, an oil outlet of the first heat exchanger is communicated with an oil return port of a drive end lubricating oil tank through a fluid slip ring, and a coolant flow inlet and a coolant flow outlet of the first heat exchanger are communicated with a cooling circulating water system on a ship;
the non-drive-end oil processing unit comprises a second duplex filter and a second heat exchanger, an oil outlet of the second duplex filter is communicated with an oil inlet of the second heat exchanger, an oil inlet of the second duplex filter is communicated with an oil outlet of the non-drive-end pump set through a fluid slip ring, an oil outlet of the second heat exchanger is communicated with an oil return port of the non-drive-end lubricating oil tank through a fluid slip ring, and a coolant flow inlet and a coolant flow outlet of the second heat exchanger are communicated with a cooling circulating water system on a ship.
A drive end temperature sensor and a drive end liquid level sensor are arranged in the drive end lubricating oil tank, a non-drive end temperature sensor and a non-drive end liquid level sensor are arranged in the non-drive end lubricating oil tank, a drive end vibration sensor is arranged on a bearing seat of a drive end bearing in the pod propeller shell, and a non-drive end vibration sensor is arranged on a bearing seat of a non-drive end bearing in the pod propeller shell;
the drive end temperature sensor, the drive end liquid level sensor, the drive end vibration sensor, the non-drive end temperature sensor, the non-drive end liquid level sensor and the non-drive end vibration sensor are all connected with a first PLC controller, and the first PLC controller is in signal connection with an upper computer;
the first PLC controller is arranged in a pod propeller shell, and the upper computer is arranged in a cockpit.
The bottom of the drive-end lubricating oil tank is provided with a drive-end lubricating oil heater, the bottom of the non-drive-end lubricating oil tank is provided with a non-drive-end lubricating oil heater, and the control end of the drive-end lubricating oil heater and the control end of the non-drive-end lubricating oil heater are both connected with the heating control signal output end of the first PLC.
The non-drive end pump group includes: the oil outlet of the second motor pump is communicated with the oil inlet of the second duplex filter through a fluid slip ring, the oil inlet of the second overflow valve is communicated with the oil outlet of the second motor pump, and the oil outlet of the second overflow valve is communicated with the non-drive-end lubricating oil tank;
one end of the third stop valve is communicated with an oil outlet of the non-drive-end lubricating oil tank, the other end of the third stop valve is communicated with an oil inlet of a third motor pump, an oil outlet of the third motor pump is communicated with an oil inlet of a third one-way valve, an oil outlet of the third one-way valve is communicated with an oil outlet of a second one-way valve, an oil inlet of a third overflow valve is communicated with an oil outlet of the third motor pump, and an oil outlet of the third overflow valve is communicated with the non-drive-end lubricating oil tank.
The drive end pump group includes: the oil outlet of the first motor pump is communicated with the oil inlet of the first one-way valve, and the oil outlet of the first one-way valve is communicated with the oil inlet of the first duplex filter through a fluid slip ring;
an oil inlet of the first overflow valve is communicated with an oil outlet of the first motor pump, and an oil outlet of the first overflow valve is communicated with the drive-end lubricating oil tank.
A first filter stop valve is arranged at an oil inlet of the first duplex filter, and a first flow meter is arranged at an oil outlet of the first duplex filter;
and a second filter stop valve is arranged at the oil inlet of the second duplex filter, and a second flow meter is arranged at the oil outlet of the second filter stop valve.
A first oil analysis sensor, a first temperature sensor, a first thermometer and a first pressure gauge are arranged on an oil path between the first filter stop valve and the fluid slip ring, and a second temperature sensor is arranged at an oil outlet of the first heat exchanger;
a second oil analysis sensor, a third temperature sensor, a second thermometer and a second pressure gauge are arranged on an oil path between the second filter stop valve and the fluid slip ring, and a fourth temperature sensor is arranged at an oil outlet of the second heat exchanger;
the first oil analysis sensor, the first temperature sensor, the second oil analysis sensor, the third temperature sensor and the fourth temperature sensor are all in signal connection with the second PLC, and the second PLC is in signal connection with the upper computer.
The driving end oil processing unit further comprises a first forced oil supplementing valve, a first oil supplementing valve and a first oil discharging valve, wherein one end of the first forced oil supplementing valve, one end of the first oil supplementing valve and one end of the first oil discharging valve are all communicated with an oil way between the first filter stop valve and the fluid slip ring, the other end of the first forced oil supplementing valve is communicated with a forced oil supplementing pump set, the other end of the first oil supplementing valve is communicated with a gravity oil tank, and the other end of the first oil discharging valve is communicated with a sampling interface;
the non-drive end oil processing unit further comprises a second forced oil supplementing valve, a second oil supplementing valve and a second oil discharging valve, wherein one end of the second forced oil supplementing valve, one end of the second oil supplementing valve and one end of the second oil discharging valve are communicated with an oil way between the second filter stop valve and the fluid sliding ring, the other end of the second forced oil supplementing valve is communicated with a forced oil supplementing pump set, the other end of the second oil supplementing valve is communicated with a gravity oil tank, and the other end of the second oil discharging valve is communicated with a sampling interface.
And a blowdown oil tank is arranged at the bottom of the pod propeller shell, the blowdown oil tank is communicated with the bottom of the drive-end lubricating oil tank through a drive-end blowdown valve, and the blowdown oil tank is communicated with the bottom of the non-drive-end lubricating oil tank through a non-drive-end blowdown valve.
Compared with the prior art, the invention has the beneficial effects that:
1. the bearing group at the driving end and the bearing group at the non-driving end in the bearing lubricating system of the pod propeller adopt different lubricating oil tanks and lubricating circulating systems for lubrication, and the lubricating systems of the bearing at the driving end and the bearing at the non-driving end are mutually independent; the drive end bearing group lubricating oil path and the non-drive end bearing group lubricating oil path are mutually independent, so that different settings can be conveniently carried out according to actual lubricating requirements of the drive end bearing and the non-drive end bearing, and the stability of system operation is ensured; the drive end oil processing unit and the non-drive end oil processing unit are arranged outside the propeller shell, so that a filter element of the filter can be conveniently replaced, the quality of lubricating oil can be conveniently monitored, the temperature change of the lubricating oil before and after heat exchange of the heat exchanger can be easily monitored, and meanwhile, the maintenance is convenient. Consequently drive end bearing group and non-drive end bearing group's lubricating system mutual independence in this design, drive end lubricating oil is handled singly and non-drive end lubricating oil is handled singly and all sets up outside propeller shell simultaneously, easy access and monitoring.
2. The heat exchangers are arranged in the oil processing units in the nacelle propeller bearing lubricating system, the temperature sensors and the lubricating oil heaters are arranged in the two lubricating oil tanks, overheated lubricating oil can be cooled through the heat exchangers, and when a ship operates in an ice region, grease in the oil tank can be heated through the lubricating oil heaters if the temperature of the lubricating oil is too low, so that the temperature of the grease in the system is kept within a proper range; the temperature sensor in the oil tank is in signal connection with the controller, the controller is in signal connection with an upper computer arranged in a cockpit, and a driver and passengers can monitor the temperature of the lubricating oil in real time and control the temperature of the lubricating oil through the lubricating oil heater and the heat exchanger. Therefore, in the design, the heat exchanger is arranged in the oil processing unit, the temperature sensor and the lubricating oil heater are arranged in the lubricating oil tank, and a driver and passengers can monitor the temperature of the lubricating oil in real time and control the temperature of the lubricating oil through the lubricating oil heater and the heat exchanger.
3. The duplex filter is provided with two different filtering branches, so that the filter element can be replaced without stopping the lubricating system during working, and meanwhile, because the bearing can generate wear particles in the running process, the wear degree of the bearing in the running process can be reflected to a certain degree through the quality of the lubricating oil. Therefore, the duplex filter is used for filtering lubricating oil in the design, the oil analysis sensor is arranged on the way between the duplex filter and the sliding ring, the impurity content in lubricating grease can be monitored conveniently, and meanwhile, the filter element of the filter can be replaced without stopping.
4. In the nacelle propeller bearing lubricating system, the lubricating oil tank at the non-driving end is much larger than the lubricating oil tank at the driving end due to the special structure of the nacelle propeller, and in order to ensure that the lubricating system can stably run, a second motor pump and a third motor pump in a non-driving-end pump group are arranged in a redundant manner, and the driving-end pump group is provided with a first motor pump. Therefore, the motor pump in the non-driving-end pump group in the design is arranged redundantly, one motor pump is used, the other motor pump is standby, the motor pump is prevented from being in fault, and the stability of the system is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a pod propeller bearing lubrication system.
Figure 2 is a schematic diagram of the non-drive end bearing lubrication system of figure 1.
Fig. 3 is a schematic structural view of the drive-end oil treatment unit in fig. 1.
Figure 4 is a schematic view of the non-drive end pump set of figure 1.
Figure 5 is a schematic view of the structure of the drive end pump block of figure 1.
Fig. 6 is a block diagram of a control signal system of the present invention.
In the figure: pod thruster housing 1, fluid slip ring 2, drive-end oil tank 3, drive-end temperature sensor 31, drive-end level sensor 32, drive-end oil heater 33, drive-end vibration sensor 34, non-drive-end oil tank 4, non-drive-end temperature sensor 41, non-drive-end level sensor 42, non-drive-end oil heater 43, non-drive-end vibration sensor 44, drive-end pump group 5, first stop valve 51, first motor pump 52, first relief valve 53, first check valve 54, non-drive-end pump group 6, second stop valve 61, third stop valve 62, second motor pump 63, third motor pump 64, second relief valve 65, third relief valve 66, second check valve 67, third check valve 68, drive-end oil processing unit 7, first duplex filter 71, first heat exchanger 72, first stop valve 73, first oil analysis sensor 74, first duplex filter 71, first oil analysis sensor 73, second oil analysis sensor, The system comprises a first temperature sensor 75, a first thermometer 76, a first pressure gauge 77, a first flowmeter 78, a second temperature sensor 79, a first forced oil supplementing valve 701, a first oil supplementing valve 702, a first oil discharging valve 703, a non-drive-end oil processing unit 8, a second duplex filter 81, a second heat exchanger 82, a second filter stop valve 83, a second oil analysis sensor 84, a third temperature sensor 85, a second thermometer 86, a second pressure gauge 87, a second flowmeter 88, a fourth temperature sensor 89, a second forced oil supplementing valve 801, a second oil supplementing valve 802, a second oil discharging valve 803, a first PLC 91, a second PLC 92, an upper computer 10 and a blowdown oil tank 20.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 6, including: the device comprises a pod propeller shell 1 and a fluid slip ring 2 arranged at the top of the pod propeller shell, wherein a driving end lubricating oil tank 3, a non-driving end lubricating oil tank 4, a driving end pump set 5 and a non-driving end pump set 6 are arranged in the pod propeller shell 1, a driving end oil processing unit 7 and a non-driving end oil processing unit 8 are arranged outside the pod propeller shell 1, an oil inlet of the driving end pump set 5 is communicated with the driving end lubricating oil tank 3, an oil outlet of the driving end pump set 5 is communicated with an oil inlet of the driving end oil processing unit 7 through the fluid slip ring 2, and an oil outlet of the driving end oil processing unit 7 is communicated with the driving end lubricating oil tank 3 through the fluid slip ring 2;
the oil inlet of the non-drive end pump unit 6 is connected with the non-drive end lubricating oil tank 4, the oil outlet of the non-drive end pump unit 6 is communicated with the oil inlet of the non-drive end oil processing unit 8 through the fluid sliding ring 2, and the oil outlet of the non-drive end oil processing unit 8 is communicated with the oil return port of the non-drive end lubricating oil tank 4 through the fluid sliding ring 2.
The driving end oil processing unit 7 comprises a first duplex filter 71 and a first heat exchanger 72, an oil outlet of the first duplex filter 71 is communicated with an oil inlet of the first heat exchanger 72, an oil inlet of the first duplex filter 71 is communicated with an oil outlet of the driving end pump group 5 through a fluid slip ring 2, an oil outlet of the first heat exchanger 72 is communicated with an oil return port of the driving end tank 3 through the fluid slip ring 2, and a cooling liquid inlet and a cooling liquid outlet of the first heat exchanger 72 are communicated with a cooling circulating water system on a ship;
the non-drive-end oil processing unit 8 comprises a second duplex filter 81 and a second heat exchanger 82, an oil outlet of the second duplex filter 81 is communicated with an oil inlet of the second heat exchanger 82, an oil inlet of the second duplex filter 81 is communicated with an oil outlet of the non-drive-end pump group 6 through a fluid slip ring 2, an oil outlet of the second heat exchanger 82 is communicated with an oil return port of the non-drive-end lubricating oil tank 4 through the fluid slip ring 2, and a cooling liquid inlet and a cooling liquid outlet of the second heat exchanger 82 are communicated with a cooling circulating water system on a ship.
A driving end temperature sensor 31 and a driving end liquid level sensor 32 are arranged inside the driving end lubricating oil tank 3, a non-driving end temperature sensor 41 and a non-driving end liquid level sensor 42 are arranged inside the non-driving end lubricating oil tank 4, a driving end vibration sensor 34 is arranged on a bearing seat of a driving end bearing in the pod propeller shell 1, and a non-driving end vibration sensor 44 is arranged on a bearing seat of a non-driving end bearing in the pod propeller shell 1;
the driving end temperature sensor 31, the driving end liquid level sensor 32, the driving end vibration sensor 34, the non-driving end temperature sensor 41, the non-driving end liquid level sensor 42 and the non-driving end vibration sensor 44 are all connected with a first PLC 91, and the first PLC 91 is in signal connection with the upper computer 10;
the first PLC controller 91 is provided in the pod propeller housing 1, and the upper computer 10 is provided in the cockpit.
The bottom of the driving-end lubricating oil tank 3 is provided with a driving-end lubricating oil heater 33, the bottom of the non-driving-end lubricating oil tank 4 is provided with a non-driving-end lubricating oil heater 43, and the control end of the driving-end lubricating oil heater 33 and the control end of the non-driving-end lubricating oil heater 43 are both connected with the heating control signal output end of the first PLC 91.
The non-drive-end pump group 6 includes: the oil-saving control system comprises a second stop valve 61, a third stop valve 62, a second motor pump 63, a third motor pump 64, a second overflow valve 65, a third overflow valve 66, a second one-way valve 67 and a third one-way valve 68, wherein one end of the second stop valve 61 is communicated with an oil outlet of the non-drive-end lubricating oil tank 4, the other end of the second stop valve 61 is communicated with an oil inlet of the second motor pump 63, an oil outlet of the second motor pump 63 is communicated with an oil inlet of the second one-way valve 67, an oil outlet of the second one-way valve 67 is communicated with an oil inlet of a second duplex filter 81 through a fluid slip ring 2, an oil inlet of the second overflow valve 65 is communicated with an oil outlet of the second motor pump 63, and an oil outlet of the second overflow valve 65 is communicated with the non-drive-end lubricating oil tank 4;
one end of the third cut-off valve 62 is communicated with an oil outlet of the non-drive-end lubricating oil tank 4, the other end of the third cut-off valve 62 is communicated with an oil inlet of the third motor pump 64, an oil outlet of the third motor pump 64 is communicated with an oil inlet of the third check valve 68, an oil outlet of the third check valve 68 is communicated with an oil outlet of the second check valve 67, an oil inlet of the third overflow valve 66 is communicated with an oil outlet of the third motor pump 64, and an oil outlet of the third overflow valve 66 is communicated with the non-drive-end lubricating oil tank 4.
The drive-end pump group 5 includes: the oil-in-water automatic control device comprises a first stop valve 51, a first motor pump 52, a first overflow valve 53 and a first one-way valve 54, wherein one end of the first stop valve 51 is communicated with an oil outlet of the drive-end lubricating oil tank 3, the other end of the first stop valve 51 is communicated with an oil inlet of the first motor pump 52, an oil outlet of the first motor pump 52 is communicated with an oil inlet of the first one-way valve 54, and an oil outlet of the first one-way valve 54 is communicated with an oil inlet of a first duplex filter 71 through a fluid slip ring 2;
an oil inlet of the first overflow valve 53 is communicated with an oil outlet of the first motor pump 52, and an oil outlet of the first overflow valve 53 is communicated with the drive-end lubricating oil tank 3.
A first filter stop valve 73 is arranged at the oil inlet of the first duplex filter 71, and a first flow meter 78 is arranged at the oil outlet of the first duplex filter 71;
a second filter stop valve 83 is arranged at the oil inlet of the second duplex filter 81, and a second flow meter 88 is arranged at the oil outlet of the second filter stop valve 83.
A first oil analysis sensor 74, a first temperature sensor 75, a first temperature gauge 76 and a first pressure gauge 77 are arranged on an oil path between the first filter cut-off valve 73 and the fluid slip ring 2, and a second temperature sensor 79 is arranged at an oil outlet of the first heat exchanger 72;
a second oil analysis sensor 84, a third temperature sensor 85, a second temperature gauge 86 and a second pressure gauge 87 are arranged on an oil path between the second filter stop valve 83 and the fluid slip ring 2, and a fourth temperature sensor 89 is arranged at an oil outlet of the second heat exchanger 82;
first fluid analytical sensor 74, first temperature sensor 75, second temperature sensor 79, second fluid analytical sensor 84, third temperature sensor 85, fourth temperature sensor 89 all with second PLC controller 92 signal connection, second PLC controller 92 and host computer 10 signal connection. The second PLC controller 92 is arranged outside the nacelle propeller housing 1, facilitating monitoring of both oil handling units. Two controllers, namely a first PLC controller 91 and a second PLC controller 92, are arranged, so that the devices inside and outside the nacelle shell can be monitored respectively.
The drive-end oil processing unit 7 further comprises a first forced oil supplementing valve 701, a first oil supplementing valve 702 and a first oil draining valve 703, wherein one end of the first forced oil supplementing valve 701, one end of the first oil supplementing valve 702 and one end of the first oil draining valve 703 are all communicated with an oil way between the first filter stop valve 73 and the fluid slip ring 2, the other end of the first forced oil supplementing valve 701 is communicated with a forced oil supplementing pump set, the other end of the first oil supplementing valve 702 is communicated with a gravity oil tank, and the other end of the first oil draining valve 703 is communicated with a sampling interface;
the non-drive end oil processing unit 8 further comprises a second forced oil supplementing valve 801, a second oil supplementing valve 802 and a second oil discharging valve 803, wherein one end of the second forced oil supplementing valve 801, one end of the second oil supplementing valve 802 and one end of the second oil discharging valve 803 are all communicated with an oil path between the second filter stop valve 83 and the fluid slip ring 2, the other end of the second forced oil supplementing valve 801 is communicated with a forced oil supplementing pump set, the other end of the second oil supplementing valve 802 is communicated with a gravity oil tank, and the other end of the second oil discharging valve 803 is communicated with a sampling interface.
The bottom of the pod propeller shell 1 is provided with a sewage draining oil tank 20, the sewage draining oil tank 20 is communicated with the bottom of the drive-end lubricating oil tank 3 through a drive-end sewage draining valve 35, and the sewage draining oil tank 20 is communicated with the bottom of the non-drive-end lubricating oil tank 4 through a non-drive-end sewage draining valve 45.
The principle of the invention is illustrated as follows:
as shown in fig. 1, the interior of the pod propeller is divided into a drive-end bearing and a non-drive-end bearing according to the mounting position of the bearing, the drive-end bearing being provided on the drive-end bearing seat, and the non-drive-end bearing being provided on the non-drive-end bearing seat. The drive end lubricating oil tank 3, the drive end pump group 5 and the drive end oil processing unit 7 form a drive end lubricating oil circulating system to provide lubrication for a drive end bearing; the non-drive end lubricating oil tank 4, the non-drive end pump group 6 and the non-drive end oil processing unit 8 form a non-drive end lubricating oil circulating system to provide lubrication for a non-drive end bearing, and the drive end lubricating oil circulating system and the non-drive end lubricating oil circulating system are independent of each other.
The first duplex filter 71 and the second duplex filter 81 are used for filtering impurities in lubricating oil, and the duplex filters are adopted in the driving-end lubricating oil circulating system and the non-driving-end lubricating oil circulating system, so that filter elements of the filters can be replaced without stopping. The coolant inlets and the coolant outlets of the first heat exchanger 72 and the second heat exchanger 82 are all communicated with a cooling circulating water system on the ship, and are used for controlling the temperature of lubricating oil and cooling the lubricating oil through the cooling circulating water penetrating the cooling circulating water.
The number and arrangement of the drive end temperature sensor 31, the drive end liquid level sensor 32, the drive end lubricating oil heater 33, the non-drive end temperature sensor 41, the non-drive end liquid level sensor 42 and the non-drive end lubricating oil heater 43 can be set according to actual needs, the drive end temperature sensor 31 and the non-drive end temperature sensor 41 are used for monitoring the oil temperature in the oil tank, the oil temperature can be correspondingly adjusted through the drive end lubricating oil heater 33, the non-drive end lubricating oil heater 43, the first heat exchanger 72 and the second heat exchanger 82 according to the monitored actual oil temperature, and when the lubricating oil temperature is too high, the cooling water flow in the first heat exchanger 72 and the second heat exchanger 82 is adjusted to cool the oil; when the temperature of the lubricating oil is too low when the ship works in the ice area, the driving end lubricating oil heater 33 and the non-driving end lubricating oil heater 43 can be started to heat the oil.
The drive end liquid level sensor 32 and the non-drive end liquid level sensor 42 are used for monitoring the lubricating oil liquid level in the oil tank, and oil is supplemented in time when the liquid level of the oil liquid is low. Meanwhile, the liquid level sensor also monitors whether oil leakage exists in the lubricating oil system.
The driving end temperature sensor 31, the driving end liquid level sensor 32, the driving end vibration sensor 34, the non-driving end temperature sensor 41, the non-driving end liquid level sensor 42 and the non-driving end vibration sensor 44 are all connected with the first PLC 91, the first PLC 91 is in signal connection with the upper computer 10, a driver and an occupant can monitor the running state of the lubricating system through the upper computer 10, and whether faults exist in the running process of the bearing is monitored through the driving end vibration sensor 34 and the non-driving end vibration sensor 44. The first PLC controller 91 may be model S7-1500.
Due to the special structure of the pod propeller, the lubricating oil tank at the non-driving end of the pod propeller is larger than the lubricating oil tank at the driving end under the general condition, and the motor pump has larger load and can fail under the long-time operation, so that the non-driving-end pump group 6 comprises two motor pumps, namely a second motor pump 63 and a third motor pump 64, and the two motor pumps are mutually standby. When the second motor pump 63 is used, the second stop valve 61 is opened, the third stop valve 62 is closed, then the second motor pump 63 is opened, the second motor pump 63 pumps oil in the non-drive-end lubricating oil tank 4 into the third one-way valve 68, the oil passes through the fluid slip ring 2 and enters the non-drive-end oil processing unit 8, is filtered and exchanges heat by the non-drive-end oil processing unit 8, then flows into the pod propeller shell 1 through the fluid slip ring 2, and returns to the non-drive-end lubricating oil tank 4;
when the third motor pump 64 is used, the second stop valve 61 is closed, the third stop valve 62 is opened, then the third motor pump 64 is opened, the third motor pump 64 pumps oil in the non-drive-end lubricating oil tank 4 into the second one-way valve 67, the oil passes through the fluid slip ring 2 and enters the non-drive-end oil processing unit 8, the oil is filtered and exchanges heat by the non-drive-end oil processing unit 8, then the oil flows into the pod propeller shell 1 through the fluid slip ring 2, and the oil flows back to the non-drive-end lubricating oil tank 4;
the second check valve 67 and the third check valve 68 prevent oil from flowing back, and the second overflow valve 65 and the third overflow valve 66 release pressure when the oil path pressure is too high, so that the system overpressure caused by oil path blockage is avoided, and further the motor pump is damaged.
When the drive-end pump group 5 works, the first stop valve 51 is opened, the first motor pump 52 pumps oil into the first one-way valve 54, the oil enters the drive-end oil processing unit 7 after passing through the fluid slip ring 2, is filtered and exchanges heat by the drive-end oil processing unit 7, then flows into the pod propeller shell 1 through the fluid slip ring 2, and flows back to the drive-end lubricating oil tank 3.
A first filter stop valve 73 is arranged at an oil inlet of the first duplex filter 71, a second filter stop valve 83 is arranged at an oil inlet of the second duplex filter 81, the first filter stop valve 73 and the second filter stop valve 83 are closed during maintenance, and the maintenance can be performed on the drive-end oil processing unit 7 or the non-drive-end oil processing unit 8; the first and second flow meters 78, 88 are used to monitor the amount of filtered oil.
A first oil analysis sensor 74, a first temperature sensor 75, a first temperature gauge 76 and a first pressure gauge 77 are arranged on an oil path between the first filter cut-off valve 73 and the fluid slip ring 2, and a second temperature sensor 79 is arranged at an oil outlet of the first heat exchanger 72; a second oil analysis sensor 84, a third temperature sensor 85, a second temperature gauge 86 and a second pressure gauge 87 are arranged on an oil path between the second filter cut-off valve 83 and the fluid slip ring 2, and a fourth temperature sensor 89 is arranged at an oil outlet of the second heat exchanger 82. The first temperature sensor 75 is arranged on the oil inlet side of the first heat exchanger 72, the second temperature sensor 79 is arranged on the oil outlet side of the first heat exchanger 72, and the temperature of the oil at the driving end before and after heat exchange is monitored; the third temperature sensor 85 is arranged on the oil inlet side of the second heat exchanger 82, the fourth temperature sensor 89 is arranged on the oil outlet side of the second heat exchanger 82, and the temperature before and after heat exchange of oil liquid at the non-driving end is monitored; the first thermometer 76, the first pressure gauge 77, the second thermometer 86 and the second pressure gauge 87 are convenient for maintenance personnel to check the actual temperature and pressure value of the oil liquid during maintenance or inspection; the first oil analysis sensor 74 and the second oil analysis sensor 84 monitor the impurity content in the oil, and judge whether the filter element needs to be replaced according to the impurity content; the first oil analysis sensor 74, the first temperature sensor 75, the second temperature sensor 79, the second oil analysis sensor 84, the third temperature sensor 85 and the fourth temperature sensor 89 are in signal connection with the upper computer 10 in the cockpit through the second PLC 92, so that drivers and passengers can monitor the operating state of the oil processing unit conveniently.
The oil inlet end of the forced oil supply pump set is communicated with the spare lubricating oil tank, the oil outlet end of the forced oil supply pump set is simultaneously communicated with the oil inlet of the first forced oil supply valve 701 and the oil inlet of the second forced oil supply valve 801, and the forced oil supply pump set is used for forcibly pumping external lubricating oil into the drive-end oil processing unit 7 and the non-drive-end oil processing unit 8.
Spare lubricating oil is stored in the gravity oil tank, and the gravity oil tank can be used for supplying oil for the drive-end oil processing unit 7 and the non-drive-end oil processing unit 8 through the first oil supply valve 702 and the second oil supply valve 802.
The first oil drain valve 703 is used for sampling the lubricating oil in the drive-end oil processing unit 7, and the second oil drain valve 803 is used for sampling the lubricating oil in the non-drive-end oil processing unit 8.
Example 1:
a pod propeller bearing lubrication system comprising: the device comprises a pod propeller shell 1 and a fluid slip ring 2 arranged at the top of the pod propeller shell, wherein a driving end lubricating oil tank 3, a non-driving end lubricating oil tank 4, a driving end pump set 5 and a non-driving end pump set 6 are arranged in the pod propeller shell 1, a driving end oil processing unit 7 and a non-driving end oil processing unit 8 are arranged outside the pod propeller shell 1, an oil inlet of the driving end pump set 5 is communicated with the driving end lubricating oil tank 3, an oil outlet of the driving end pump set 5 is communicated with an oil inlet of the driving end oil processing unit 7 through the fluid slip ring 2, and an oil outlet of the driving end oil processing unit 7 is communicated with the driving end lubricating oil tank 3 through the fluid slip ring 2; the oil inlet of the non-drive end pump set 6 is connected with the non-drive end lubricating oil tank 4, the oil outlet of the non-drive end pump set 6 is communicated with the oil inlet of the non-drive end oil processing unit 8 through the fluid slip ring 2, and the oil outlet of the non-drive end oil processing unit 8 is communicated with the oil return port of the non-drive end lubricating oil tank 4 through the fluid slip ring 2; the driving end oil processing unit 7 comprises a first duplex filter 71 and a first heat exchanger 72, an oil outlet of the first duplex filter 71 is communicated with an oil inlet of the first heat exchanger 72, an oil inlet of the first duplex filter 71 is communicated with an oil outlet of the driving end pump group 5 through a fluid slip ring 2, an oil outlet of the first heat exchanger 72 is communicated with an oil return port of the driving end tank 3 through the fluid slip ring 2, and a cooling liquid inlet and a cooling liquid outlet of the first heat exchanger 72 are communicated with a cooling circulating water system on a ship; the non-drive-end oil processing unit 8 comprises a second duplex filter 81 and a second heat exchanger 82, an oil outlet of the second duplex filter 81 is communicated with an oil inlet of the second heat exchanger 82, an oil inlet of the second duplex filter 81 is communicated with an oil outlet of the non-drive-end pump group 6 through a fluid slip ring 2, an oil outlet of the second heat exchanger 82 is communicated with an oil return port of the non-drive-end lubricating oil tank 4 through the fluid slip ring 2, and a cooling liquid inlet and a cooling liquid outlet of the second heat exchanger 82 are communicated with a cooling circulating water system on the ship; a driving end temperature sensor 31 and a driving end liquid level sensor 32 are arranged inside the driving end lubricating oil tank 3, a non-driving end temperature sensor 41 and a non-driving end liquid level sensor 42 are arranged inside the non-driving end lubricating oil tank 4, a driving end vibration sensor 34 is arranged on a bearing seat of a driving end bearing in the pod propeller shell 1, and a non-driving end vibration sensor 44 is arranged on a bearing seat of a non-driving end bearing in the pod propeller shell 1; the driving end temperature sensor 31, the driving end liquid level sensor 32, the driving end vibration sensor 34, the non-driving end temperature sensor 41, the non-driving end liquid level sensor 42 and the non-driving end vibration sensor 44 are all connected with a first PLC 91, and the first PLC 91 is in signal connection with the upper computer 10; the first PLC controller 91 is disposed in the pod propeller housing 1, and the upper computer 10 is disposed in the cockpit; the bottom of the driving-end lubricating oil tank 3 is provided with a driving-end lubricating oil heater 33, the bottom of the non-driving-end lubricating oil tank 4 is provided with a non-driving-end lubricating oil heater 43, and the control end of the driving-end lubricating oil heater 33 and the control end of the non-driving-end lubricating oil heater 43 are both connected with the heating control signal output end of the first PLC 91; the bottom of the pod propeller shell 1 is provided with a sewage draining oil tank 20, the sewage draining oil tank 20 is communicated with the bottom of the drive-end lubricating oil tank 3 through a drive-end sewage draining valve 35, and the sewage draining oil tank 20 is communicated with the bottom of the non-drive-end lubricating oil tank 4 through a non-drive-end sewage draining valve 45.
Example 2:
example 2 is substantially the same as example 1 except that:
the non-drive-end pump group 6 includes: the oil-saving control system comprises a second stop valve 61, a third stop valve 62, a second motor pump 63, a third motor pump 64, a second overflow valve 65, a third overflow valve 66, a second one-way valve 67 and a third one-way valve 68, wherein one end of the second stop valve 61 is communicated with an oil outlet of the non-drive-end lubricating oil tank 4, the other end of the second stop valve 61 is communicated with an oil inlet of the second motor pump 63, an oil outlet of the second motor pump 63 is communicated with an oil inlet of the second one-way valve 67, an oil outlet of the second one-way valve 67 is communicated with an oil inlet of a second duplex filter 81 through a fluid slip ring 2, an oil inlet of the second overflow valve 65 is communicated with an oil outlet of the second motor pump 63, and an oil outlet of the second overflow valve 65 is communicated with the non-drive-end lubricating oil tank 4; one end of the third cut-off valve 62 is communicated with an oil outlet of the non-drive-end lubricating oil tank 4, the other end of the third cut-off valve 62 is communicated with an oil inlet of a third motor pump 64, an oil outlet of the third motor pump 64 is communicated with an oil inlet of a third one-way valve 68, an oil outlet of the third one-way valve 68 is communicated with an oil outlet of a second one-way valve 67, an oil inlet of a third overflow valve 66 is communicated with an oil outlet of the third motor pump 64, and an oil outlet of the third overflow valve 66 is communicated with the non-drive-end lubricating oil tank 4; the drive-end pump group 5 includes: the oil-in-water automatic control device comprises a first stop valve 51, a first motor pump 52, a first overflow valve 53 and a first one-way valve 54, wherein one end of the first stop valve 51 is communicated with an oil outlet of the drive-end lubricating oil tank 3, the other end of the first stop valve 51 is communicated with an oil inlet of the first motor pump 52, an oil outlet of the first motor pump 52 is communicated with an oil inlet of the first one-way valve 54, and an oil outlet of the first one-way valve 54 is communicated with an oil inlet of a first duplex filter 71 through a fluid slip ring 2; an oil inlet of the first overflow valve 53 is communicated with an oil outlet of the first motor pump 52, and an oil outlet of the first overflow valve 53 is communicated with the drive-end lubricating oil tank 3.
Example 3:
example 3 is substantially the same as example 2 except that:
a first filter stop valve 73 is arranged at the oil inlet of the first duplex filter 71, and a first flow meter 78 is arranged at the oil outlet of the first duplex filter 71; a second filter stop valve 83 is arranged at the oil inlet of the second duplex filter 81, and a second flow meter 88 is arranged at the oil outlet of the second filter stop valve 83; a first oil analysis sensor 74, a first temperature sensor 75, a first temperature gauge 76 and a first pressure gauge 77 are arranged on an oil path between the first filter cut-off valve 73 and the fluid slip ring 2, and a second temperature sensor 79 is arranged at an oil outlet of the first heat exchanger 72; a second oil analysis sensor 84, a third temperature sensor 85, a second temperature gauge 86 and a second pressure gauge 87 are arranged on an oil path between the second filter stop valve 83 and the fluid slip ring 2, and a fourth temperature sensor 89 is arranged at an oil outlet of the second heat exchanger 82; the first oil analysis sensor 74, the first temperature sensor 75, the second temperature sensor 79, the second oil analysis sensor 84, the third temperature sensor 85 and the fourth temperature sensor 89 are in signal connection with a second PLC controller 92, and the second PLC controller 92 is in signal connection with the upper computer 10; the drive-end oil processing unit 7 further comprises a first forced oil supplementing valve 701, a first oil supplementing valve 702 and a first oil draining valve 703, wherein one end of the first forced oil supplementing valve 701, one end of the first oil supplementing valve 702 and one end of the first oil draining valve 703 are all communicated with an oil way between the first filter stop valve 73 and the fluid slip ring 2, the other end of the first forced oil supplementing valve 701 is communicated with a forced oil supplementing pump set, the other end of the first oil supplementing valve 702 is communicated with a gravity oil tank, and the other end of the first oil draining valve 703 is communicated with a sampling interface; the non-drive end oil processing unit 8 further comprises a second forced oil supplementing valve 801, a second oil supplementing valve 802 and a second oil discharging valve 803, wherein one end of the second forced oil supplementing valve 801, one end of the second oil supplementing valve 802 and one end of the second oil discharging valve 803 are all communicated with an oil path between the second filter stop valve 83 and the fluid slip ring 2, the other end of the second forced oil supplementing valve 801 is communicated with a forced oil supplementing pump set, the other end of the second oil supplementing valve 802 is communicated with a gravity oil tank, and the other end of the second oil discharging valve 803 is communicated with a sampling interface.

Claims (10)

1. A pod propeller bearing lubrication system comprising: nacelle propeller housing (1) and set up fluid sliding ring (2) at its top, its characterized in that:
a drive end lubricating oil tank (3), a non-drive end lubricating oil tank (4), a drive end pump set (5) and a non-drive end pump set (6) are arranged in the pod propeller shell (1), a drive end oil processing unit (7) and a non-drive end oil processing unit (8) are arranged outside the pod propeller shell (1), an oil inlet of the drive end pump set (5) is communicated with the drive end lubricating oil tank (3), an oil outlet of the drive end pump set (5) is communicated with an oil inlet of the drive end oil processing unit (7) through a fluid slip ring (2), and an oil outlet of the drive end oil processing unit (7) is communicated with the drive end lubricating oil tank (3) through the fluid slip ring (2);
the oil inlet of the non-drive end pump set (6) is connected with the non-drive end lubricating oil tank (4), the oil outlet of the non-drive end pump set (6) is communicated with the oil inlet of the non-drive end oil processing unit (8) through the fluid sliding ring (2), and the oil outlet of the non-drive end oil processing unit (8) is communicated with the oil return port of the non-drive end lubricating oil tank (4) through the fluid sliding ring (2).
2. The ice bank pod propeller bearing lubrication system of claim 1, wherein:
the drive end oil treatment unit (7) comprises a first duplex filter (71) and a first heat exchanger (72), an oil outlet of the first duplex filter (71) is communicated with an oil inlet of the first heat exchanger (72), an oil inlet of the first duplex filter (71) is communicated with an oil outlet of the drive end pump set (5) through a fluid slip ring (2), an oil outlet of the first heat exchanger (72) is communicated with an oil return port of the drive end lubricating oil tank (3) through the fluid slip ring (2), and a cooling liquid inlet and a cooling liquid outlet of the first heat exchanger (72) are communicated with a cooling circulating water system on a ship;
the non-drive-end oil processing unit (8) comprises a second duplex filter (81) and a second heat exchanger (82), an oil outlet of the second duplex filter (81) is communicated with an oil inlet of the second heat exchanger (82), an oil inlet of the second duplex filter (81) is communicated with an oil outlet of the non-drive-end pump set (6) through a fluid slip ring (2), an oil outlet of the second heat exchanger (82) is communicated with an oil return port of the non-drive-end lubricating oil tank (4) through the fluid slip ring (2), and a cooling liquid inlet and a cooling liquid outlet of the second heat exchanger (82) are communicated with a cooling circulating water system on a ship.
3. A pod propeller bearing lubrication system according to claim 2, characterized by:
a drive end temperature sensor (31) and a drive end liquid level sensor (32) are arranged in the drive end lubricating oil tank (3), a non-drive end temperature sensor (41) and a non-drive end liquid level sensor (42) are arranged in the non-drive end lubricating oil tank (4), a drive end vibration sensor (34) is arranged on a bearing seat of a drive end bearing in the pod propeller shell (1), and a non-drive end vibration sensor (44) is arranged on a bearing seat of a non-drive end bearing in the pod propeller shell (1);
the driving end temperature sensor (31), the driving end liquid level sensor (32), the driving end vibration sensor (34), the non-driving end temperature sensor (41), the non-driving end liquid level sensor (42) and the non-driving end vibration sensor (44) are connected with a first PLC (programmable logic controller) (91), and the first PLC (91) is in signal connection with the upper computer (10);
the first PLC controller (91) is arranged in the nacelle propeller shell (1), and the upper computer (10) is arranged in the cockpit.
4. A pod propeller bearing lubrication system according to claim 3, characterized by:
the bottom of the drive-end lubricating oil tank (3) is provided with a drive-end lubricating oil heater (33), the bottom of the non-drive-end lubricating oil tank (4) is provided with a non-drive-end lubricating oil heater (43), and the control end of the drive-end lubricating oil heater (33) and the control end of the non-drive-end lubricating oil heater (43) are both connected with the heating control signal output end of the first PLC (91).
5. A pod propeller bearing lubrication system according to any of claims 1-4, characterized by:
the non-driven end pump group (6) comprises: a second stop valve (61), a third stop valve (62), a second motor pump (63), a third motor pump (64), a second overflow valve (65), a third overflow valve (66), a second one-way valve (67) and a third one-way valve (68), one end of the second stop valve (61) is communicated with an oil outlet of the non-drive end lubricating oil tank (4), the other end of the second stop valve (61) is communicated with an oil inlet of a second motor pump (63), an oil outlet of the second motor pump (63) is communicated with an oil inlet of a second one-way valve (67), the oil outlet of the second one-way valve (67) is communicated with the oil inlet of the second duplex filter (81) through a fluid slip ring (2), an oil inlet of the second overflow valve (65) is communicated with an oil outlet of the second motor pump (63), and an oil outlet of the second overflow valve (65) is communicated with the non-drive-end lubricating oil tank (4);
one end of the third cut-off valve (62) is communicated with an oil outlet of the non-drive-end lubricating oil tank (4), the other end of the third cut-off valve (62) is communicated with an oil inlet of a third motor pump (64), an oil outlet of the third motor pump (64) is communicated with an oil inlet of a third one-way valve (68), an oil outlet of the third one-way valve (68) is communicated with an oil outlet of a second one-way valve (67), an oil inlet of a third overflow valve (66) is communicated with an oil outlet of the third motor pump (64), and an oil outlet of the third overflow valve (66) is communicated with the non-drive-end lubricating oil tank (4).
6. The pod propeller bearing lubrication system of claim 5, wherein:
the drive-end pump group (5) comprises: the oil-saving device comprises a first stop valve (51), a first motor pump (52), a first overflow valve (53) and a first one-way valve (54), wherein one end of the first stop valve (51) is communicated with an oil outlet of a drive-end lubricating oil tank (3), the other end of the first stop valve (51) is communicated with an oil inlet of the first motor pump (52), an oil outlet of the first motor pump (52) is communicated with an oil inlet of the first one-way valve (54), and an oil outlet of the first one-way valve (54) is communicated with an oil inlet of a first duplex filter (71) through a fluid slip ring (2);
an oil inlet of the first overflow valve (53) is communicated with an oil outlet of the first motor pump (52), and an oil outlet of the first overflow valve (53) is communicated with the driving end lubricating oil tank (3).
7. The pod propeller bearing lubrication system of claim 6, wherein:
a first filter stop valve (73) is arranged at an oil inlet of the first duplex filter (71), and a first flow meter (78) is arranged at an oil outlet of the first duplex filter (71);
and a second filter stop valve (83) is arranged at the oil inlet of the second duplex filter (81), and a second flow meter (88) is arranged at the oil outlet of the second filter stop valve (83).
8. The pod propeller bearing lubrication system of claim 7, wherein:
a first oil analysis sensor (74), a first temperature sensor (75), a first temperature gauge (76) and a first pressure gauge (77) are arranged on an oil path between the first filter stop valve (73) and the fluid slip ring (2), and a second temperature sensor (79) is arranged at an oil outlet of the first heat exchanger (72);
a second oil analysis sensor (84), a third temperature sensor (85), a second thermometer (86) and a second pressure gauge (87) are arranged on an oil path between the second filter stop valve (83) and the fluid slip ring (2), and a fourth temperature sensor (89) is arranged at an oil outlet of the second heat exchanger (82);
first fluid analysis sensor (74), first temperature sensor (75), second temperature sensor (79), second fluid analysis sensor (84), third temperature sensor (85), fourth temperature sensor (89) all with second PLC controller (92) signal connection, second PLC controller (92) and host computer (10) signal connection.
9. The pod propeller bearing lubrication system of claim 8, wherein:
the drive end oil processing unit (7) further comprises a first forced oil supplementing valve (701), a first oil supplementing valve (702) and a first oil discharging valve (703), one end of the first forced oil supplementing valve (701), one end of the first oil supplementing valve (702) and one end of the first oil discharging valve (703) are communicated with an oil way between the first filter stop valve (73) and the fluid slip ring (2), the other end of the first forced oil supplementing valve (701) is communicated with a forced oil supplementing pump set, the other end of the first oil supplementing valve (702) is communicated with a gravity oil tank, and the other end of the first oil discharging valve (703) is communicated with a sampling interface;
the non-drive-end oil processing unit (8) further comprises a second forced oil supplementing valve (801), a second oil supplementing valve (802) and a second oil discharging valve (803), wherein one end of the second forced oil supplementing valve (801), one end of the second oil supplementing valve (802) and one end of the second oil discharging valve (803) are communicated with an oil way between the second filter stop valve (83) and the fluid slip ring (2), the other end of the second forced oil supplementing valve (801) is communicated with a forced oil supplementing pump set, the other end of the second oil supplementing valve (802) is communicated with a gravity oil tank, and the other end of the second oil discharging valve (803) is communicated with a sampling interface.
10. The pod propeller bearing lubrication system of claim 9, wherein:
the device is characterized in that a sewage draining oil tank (20) is arranged at the bottom of the pod propeller shell (1), the sewage draining oil tank (20) is communicated with the bottom of the drive-end lubricating oil tank (3) through a drive-end sewage draining valve (35), and the sewage draining oil tank (20) is communicated with the bottom of the non-drive-end lubricating oil tank (4) through a non-drive-end sewage draining valve (45).
CN202111362339.2A 2021-11-17 2021-11-17 Nacelle propeller bearing lubricating system Active CN114110394B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060054404A1 (en) * 2004-08-03 2006-03-16 Yehia El-Ibiary Oil circulation retention system and method
US20100028127A1 (en) * 2006-12-12 2010-02-04 Techspace Aero Turbine engine lubrication method and system
CN202215718U (en) * 2011-08-22 2012-05-09 成都利君实业股份有限公司 A reduction box lubricating system
CN203702870U (en) * 2013-12-27 2014-07-09 合肥华升泵阀有限责任公司 Lubricating oil operation control system for sliding bearings
CN204127624U (en) * 2014-09-17 2015-01-28 涿神有色金属加工专用设备有限公司 A kind of lubricating fitting of high speed rotating bearing
CN108980596A (en) * 2018-08-28 2018-12-11 南京中船绿洲机器有限公司 A kind of PODDED PROPULSOR bearing lubrication and monitoring system
CN112160904A (en) * 2020-09-02 2021-01-01 中油国家油气钻井装备工程技术研究中心有限公司 High-power electrically-driven fracturing sledge power end lubricating system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060054404A1 (en) * 2004-08-03 2006-03-16 Yehia El-Ibiary Oil circulation retention system and method
US20100028127A1 (en) * 2006-12-12 2010-02-04 Techspace Aero Turbine engine lubrication method and system
CN202215718U (en) * 2011-08-22 2012-05-09 成都利君实业股份有限公司 A reduction box lubricating system
CN203702870U (en) * 2013-12-27 2014-07-09 合肥华升泵阀有限责任公司 Lubricating oil operation control system for sliding bearings
CN204127624U (en) * 2014-09-17 2015-01-28 涿神有色金属加工专用设备有限公司 A kind of lubricating fitting of high speed rotating bearing
CN108980596A (en) * 2018-08-28 2018-12-11 南京中船绿洲机器有限公司 A kind of PODDED PROPULSOR bearing lubrication and monitoring system
CN112160904A (en) * 2020-09-02 2021-01-01 中油国家油气钻井装备工程技术研究中心有限公司 High-power electrically-driven fracturing sledge power end lubricating system

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