CN214241203U

CN214241203U - Lubricating system for ice region rudder propeller and ship

Info

Publication number: CN214241203U
Application number: CN202022619928.1U
Authority: CN
Inventors: 曹世松; 舒永东; 常晓雷; 柳德君; 皮志达; 常江; 林富华
Original assignee: Nanjing High Accurate Marine Equipment Co Ltd
Current assignee: Nanjing High Accurate Marine Equipment Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-21
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a lubricating system and boats and ships for ice district rudder propeller belongs to boats and ships technical field. The external lubrication system for the lubrication system of the ice field rudder propeller comprises: the system comprises a main pipeline, a first pipeline, a second pipeline, a cooler arranged on the second pipeline, a monitoring component and a flow valve, wherein the monitoring component is configured to detect the viscosity of oil in an external lubricating system and compare the viscosity with the preset viscosity of the oil to obtain feedback information, and the monitoring component adjusts the rotating speed of a motor according to the feedback information; and the monitoring component adjusts the flow valve according to the feedback information so as to be respectively used for adjusting the oil flow on the first pipeline and the oil flow on the second pipeline. The ship comprises the lubricating system for the ice field rudder propeller. The utility model discloses a lubricating system and boats and ships for ice district rudder oar detects fluid viscosity information according to the control subassembly, the rotational speed of control motor and through flow valve regulation oil viscosity, have improved the protection to the lubricant pump.

Description

Lubricating system for ice region rudder propeller and ship

Technical Field

The utility model relates to a boats and ships technical field especially relates to a lubricating system and boats and ships for ice district steering oar.

Background

The lubrication system plays an important role in the rudder propeller, and delivers lubricating oil to the gears and bearings of the transmission mechanism and the parts needing lubrication, and simultaneously, the lubricating system can also cool. The system is an indispensable ring in the rudder propeller and is the guarantee for the reliable operation of the ship.

The normal steering oar lubricating system realizes the lubricating and cooling functions through the circulation of oil, is provided with a high oil temperature alarm device, and carries out corresponding treatment when the oil temperature is higher than a preset temperature value; however, the operating conditions when the oil temperature is too low are not considered. Because the viscosity of the oil liquid is hundreds or even thousands of times of that of the working oil at low temperature, the pressure loss of the pipeline is nearly ten times of that of the normal oil, the lubrication pump can be prevented from pumping oil smoothly and even damaged, the problem that the pipeline of the lubrication system is free of oil or less oil is caused, the problems that a filter on the pipeline is alarmed by mistake, the filtering effect is reduced and the like can be caused, and finally the rudder propeller loses the lubrication system, so that the safe operation of the ship is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lubricating system for ice district rudder propeller according to fluid viscosity information, improves the protection to the lubricating pump, and then improves lubricating system's operational reliability.

To achieve the purpose, the utility model adopts the following technical proposal:

a lubricating system for a ice field rudder propeller comprises an external lubricating system arranged outside a transmission mechanism of the rudder propeller, wherein the external lubricating system comprises an oil tank, a motor and a lubricating pump, and the external lubricating system further comprises:

the lubricating system comprises a main pipeline, a first pipeline and a second pipeline, wherein an oil tank and a lubricating pump are arranged on the main pipeline, and the first pipeline and the second pipeline are communicated in parallel on the main pipeline;

a cooler disposed on the second pipeline;

the monitoring component is configured to detect the viscosity of oil in an external lubricating system and compare the viscosity with the preset viscosity of the oil to obtain feedback information, and the monitoring component adjusts the rotating speed of the motor according to the feedback information;

and the monitoring component adjusts the flow valve according to the feedback information so as to respectively adjust the oil flow on the first pipeline and the second pipeline.

Optionally, the monitoring assembly includes a pressure sensor for detecting the oil pressure of the main pipeline, and the monitoring assembly adjusts the oil flow on the first pipeline and the second pipeline according to the oil pressure.

Optionally, the monitoring assembly includes a temperature sensor for detecting a temperature of the oil on the main pipeline, and the monitoring assembly adjusts oil flow rates on the first pipeline and the second pipeline according to the temperature of the oil.

Optionally, the electric motor is a variable frequency motor.

Optionally, the lubrication system further comprises a backup lubrication pump and a backup motor for powering the backup lubrication pump, the lubrication pump and the backup lubrication pump being connected in parallel on the main line.

Optionally, the lubrication system further comprises a filter, the filter being arranged upstream of the tank.

Optionally, the filter is a dual cartridge filter.

Another object of the utility model is to provide a boats and ships improve lubricating system's reliability, improve boats and ships's operation security.

a ship comprises the lubricating system for the ice field rudder propeller.

Optionally, boats and ships include the ship body, and drive mechanism is including connecting well case on the ship body, connecting at well case and being close to the last gear box of ship body one side and connecting at the well case and keeping away from the lower gear box of ship body one side, and the oil tank sets up with last gear box intercommunication, and the lubricating pump sets up with well case intercommunication.

Optionally, an external lubrication system is provided on the side of the well box adjacent the hull.

The utility model has the advantages that:

the utility model provides a lubricating system for ice district steering oar, when the steering oar just started, fluid viscosity was very big, when the control subassembly detected fluid viscosity and was greater than preset fluid viscosity, control subassembly adjusting flow valve, the flow valve closed the second pipeline or reduced the fluid measure that enters into the second pipeline, avoided or reduced promptly to cool off the fluid in the lubricating system to avoid fluid viscosity to further increase, thereby reduced because the damage to the lubricating pump of fluid viscosity is big; meanwhile, the monitoring assembly adjusts the rotating speed of the motor and reduces the rotating speed of the motor, so that the amount of oil pumped into the lubricating pump is reduced, the situation of unsmooth oil pumping is reduced or avoided, the damage to the lubricating pump due to high oil viscosity is reduced, and the operation reliability of a lubricating system is improved.

The utility model provides a pair of boats and ships, through adopting foretell a lubricating system who is used for ice district rudder propeller, reduce because the too high lubricating pump that leads to of fluid viscosity that low temperature caused damages, improved lubricating system's reliability, and then improved the operational safety nature of boats and ships.

Drawings

Fig. 1 is a schematic diagram of a lubrication system for a rudder propeller in a ice bank according to an embodiment of the present invention.

In the figure:

101-upper gearbox; 102-a well box; 103-lower gear box;

1-an oil tank; 21-an electric motor; 22-a backup motor; 31-a lubrication pump; 32-a backup lubrication pump; 4-main pipeline; 51-a first conduit; 52-second conduit; 6-a cooler; 7-flow valve; 81-a pressure sensor; 82-a temperature sensor; 9-a filter.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment provides a lubricating system for a rudder propeller in an ice bank, which is used for lubricating a transmission mechanism of the rudder propeller, as shown in fig. 1, the lubricating system comprises an internal lubricating system arranged inside the transmission mechanism and an external lubricating system arranged outside the transmission mechanism, the external lubricating system is communicated with the internal lubricating system, the external lubricating system comprises an oil tank 1, an electric motor 21 and a lubricating pump 31, wherein the oil tank 1 is used for providing oil for the lubricating system, and the electric motor 21 provides operation power for the lubricating pump 31; the external lubrication system further comprises a main line 4, a first line 51, a second line 52, a cooler 6, a monitoring assembly and a flow valve 7. Specifically, the oil tank 1 and the lubrication pump 31 are arranged on the main pipeline 4, and the first pipeline 51 and the second pipeline 52 are communicated in parallel on the main pipeline 4; the cooler 6 is arranged on the second line 52; the monitoring component is used for detecting the viscosity of oil in an external lubricating system and comparing the viscosity with preset information to obtain feedback information, and the monitoring component adjusts the rotating speed of the motor 21 according to the feedback information; the monitoring assembly adjusts the flow valve 7 according to the detected oil viscosity to adjust the oil flow on the first line 51 and the second line 52, respectively.

When the rudder propeller is initially started, the oil viscosity is very high, and when the monitoring component detects that the oil viscosity is greater than the preset oil viscosity, the monitoring component adjusts the flow valve 7, the flow valve 7 closes the second pipeline 52 or reduces the oil amount entering the second pipeline 52, namely, the oil in the lubricating system is prevented or reduced from being cooled, so that the oil viscosity is prevented from being further increased, and the damage to the lubricating pump 31 due to the high oil viscosity is reduced; meanwhile, the monitoring assembly adjusts the rotating speed of the motor 21 and reduces the rotating speed of the motor 21, so that the amount of oil pumped into the lubricating pump 31 is reduced, the situation of unsmooth oil pumping is reduced or avoided, the damage to the lubricating pump 31 due to high oil viscosity is reduced, and the operation reliability of a lubricating system is improved.

Optionally, a cooling system is arranged on the transmission mechanism of the rudder propeller, and when the cooling system comprises the cooler 6, namely the cooling system and the lubricating system share one cooler 6, the structure can be simplified, and the cost can be reduced. When the rotation speed of the rudder propeller is low, the heating power is low, the lubricating oil can exchange heat with the seawater for cooling through the transmission mechanism, at the moment, the cooler 6 is in a closed state, and the flow valve 7 can simultaneously open the first pipeline 51 and the second pipeline 52 so as to improve the flow speed of the oil.

As the steering oar runs, the heating power is increased, and the temperature of the oil liquid is gradually increased. When the heat exchange between the lubricating oil and the seawater cannot meet the requirement along with the increase of the rotating speed of the blade, the cooler 6 is opened, the flow valve 7 opens the second pipeline 52 or increases the oil amount entering the second pipeline 52, and the heat exchange amount of the lubricating oil is increased.

Optionally, the monitoring component is provided with a first preset value and a second preset value, wherein the first preset value and the second preset value can be calculated according to viscosity information and the like, and related numerical values can be obtained by referring to the existing formula or experiment and the like, which is not described again.

When the viscosity of the oil is less than the first preset value, the monitoring assembly adjusts the motor 21 to operate at a lower rotating speed, and meanwhile, the oil is not cooled, and the uncooled method comprises the two conditions and can be selected according to specific conditions: firstly, the flow valve 7 of the monitoring component closes the second pipeline 52, so that oil only circulates through the first pipeline 51, and secondly, the cooler 6 is closed; when the oil viscosity is between the first preset value and the second preset value, the monitoring component adjusts the motor 21 to properly increase the rotation speed to match the corresponding oil viscosity, and the flow valve 7 simultaneously opens the first pipeline 51 and the second pipeline 52 to cool part of the oil and not cool part of the oil, so as to maintain the normal viscosity of the lubricating pump 31. When the viscosity of the oil is greater than the second preset value, the system enters a normal operation state, the monitoring assembly adjusts the motor 21 to rotate at a rated rotating speed, meanwhile, the monitoring assembly adjusts the flow valve 7 to close the first pipeline 51, and all the oil is cooled by the cooler 6 on the second pipeline 52 to meet the temperature requirement of the oil.

In other embodiments, only one preset value may be set on the monitoring component, and the specific operation condition may refer to the above contents; alternatively, when the viscosity of the oil is lower than a preset value, the monitoring assembly causes the electric motor 21 to slow down, simultaneously causing the flow valve 7 to close the second line 52; when the viscosity of the oil is higher than the preset value, the monitoring assembly makes the motor 21 increase the rotation speed and simultaneously makes the flow valve 7 close the first pipeline 51; when the viscosity of the oil is equal to the preset value, the viscosity can be set according to specific conditions, and the description is omitted; specifically, a plurality of preset values can be set, and when the viscosity of the oil is in different ranges, the flow rates of the oil entering the first pipeline 51 and the second pipeline 51 are adjusted, and the setting can be performed according to actual conditions, so that the description is omitted.

Optionally, the motor 21 is an inverter motor, so that the monitoring assembly adjusts the rotation speed of the inverter motor.

Theoretically, the oil pressure and the oil viscosity in the pipeline have correlation, so that the oil pressure information can be converted into the oil viscosity information, the oil viscosity and the oil pressure have a corresponding relation, and the oil viscosity information can be converted according to the oil pressure when oil flows in a lubricating system; optionally, the monitoring assembly comprises a pressure sensor 81, and the pressure sensor 81 is used for detecting the oil pressure of the main pipeline 4, so that the monitoring assembly can adjust the oil flow on the first pipeline 51 and the second pipeline 52 according to the oil pressure. The specific conversion calculation or conversion method between pressure and viscosity can refer to the prior art, and is not repeated, the oil pressure is measured through the pressure sensor 81, the structure is simple, the measurement is convenient, and the accuracy of the measurement result is high. Specifically, the pressure sensor 81 is arranged on the main line 4, upstream of the first and second lines 51, 52, so that the flow valve 7 adjusts the oil flow on the first and second lines 51, 52 in time when the pressure sensor 81 detects relevant information.

Theoretically, the temperature of oil liquid in the pipeline is related to the viscosity of the oil liquid, so that the oil liquid temperature information can be converted into oil liquid viscosity information, the oil liquid viscosity and the oil liquid temperature have a corresponding relation, and the oil liquid viscosity information can be detected according to the temperature of the oil liquid flowing in a lubricating system; optionally, the monitoring assembly comprises a temperature sensor 82, the temperature sensor 82 being configured to detect a temperature of the oil on the main line 4, so that the monitoring assembly can adjust the oil flow on the first line 51 and the second line 52 according to the oil temperature. The specific conversion calculation or conversion method between the temperature and the viscosity can refer to the prior art, the description is omitted, the oil temperature is measured through the temperature sensor 82, the structure is simple, the measurement is convenient, and the accuracy of the measurement result is high. Specifically, temperature sensor 82 can set up on inside lubricating system, has improved the accuracy that temperature detected, avoids temperature sensor 82 to set up on outside lubricating system and cause calorific loss, influences the accuracy that temperature detected.

In this embodiment, the pressure sensor 81 and the temperature sensor 82 are simultaneously arranged, so that the reliability of the monitoring assembly for detecting the oil viscosity information is improved.

Optionally, the lubrication system further comprises a backup lubrication pump 32 and a backup motor 22 for powering the backup lubrication pump 32, the lubrication pump 31 and the backup lubrication pump 32 being connected in parallel to the main pipeline 4; in other words, the lubricating system comprises a set of motor 21 and lubricating pump 31 and a set of standby motor 22 and standby lubricating pump 32, and the two sets of power structures are provided, the two sets of power structures can work simultaneously or independently, the two sets of power structures are mutually standby, and the reliability of the operation of the lubricating system is improved.

Optionally, the lubricating system further comprises a filter 9, the filter 9 is arranged at the upstream of the oil tank 1, so that the cleanliness of oil entering the oil tank 1 is improved, and the damage to the internal lubricating system and the internal structure of the transmission mechanism due to impurity doping is avoided. Further optionally, the filter 9 is a double-tube filter, that is, the filter element can be replaced without stopping the machine, so that the operation reliability is improved.

The embodiment also provides a ship, which comprises the lubricating system for the ice region rudder propeller, so that the damage of the lubricating pump 31 caused by overhigh viscosity of oil liquid due to low temperature is reduced, the reliability of the lubricating system is improved, and the running safety of the ship is further improved.

In this embodiment, boats and ships include the ship body, drive mechanism is including connecting well case 102 on the ship body, connect well case 102 and be close to last gearbox 101 of ship body one side, and connect and keep away from lower gearbox 103 of ship body one side at well case 102, oil tank 1 sets up with last gearbox 101 intercommunication, drive mechanism realizes the fluid circulation of internal circulation system through gravity, lubricating pump 31 sets up with well case 102 intercommunication, the external lubrication system carries the fluid in the well case 102 in last gearbox 101, thereby realize the intercommunication setting of external circulation system and internal circulation system, moreover, the steam generator is simple in structure and reliable.

Optionally, the external lubrication system is arranged on one side of the well box 102 close to the ship body, so that the influence of the environment such as external seawater on the external lubrication system is reduced, the operation reliability of the external lubrication system is improved, and the reliability of the lubrication system is further improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A lubrication system for a ice field rudder propeller comprising an external lubrication system arranged outside the transmission of the rudder propeller, said external lubrication system comprising an oil tank (1), an electric motor (21) and a lubrication pump (31), characterised in that said external lubrication system further comprises:

the lubricating system comprises a main pipeline (4), a first pipeline (51) and a second pipeline (52), wherein the oil tank (1) and the lubricating pump (31) are arranged on the main pipeline (4), and the first pipeline (51) and the second pipeline (52) are communicated in parallel and arranged on the main pipeline (4);

a cooler (6) arranged on the second line (52);

a monitoring component configured to detect the viscosity of oil in the external lubrication system and compare the viscosity with a preset oil viscosity to obtain feedback information, wherein the monitoring component adjusts the rotation speed of the motor (21) according to the feedback information;

the monitoring component adjusts the flow valve (7) according to the feedback information so as to respectively adjust the oil flow on the first pipeline (51) and the second pipeline (52).

2. Lubrication system for a ice park rudder propeller according to claim 1, characterised in that the monitoring assembly comprises a pressure sensor (81), the pressure sensor (81) being adapted to detect the oil pressure of the main line (4), the monitoring assembly adjusting the oil flow on the first line (51) and on the second line (52) according to the oil pressure.

3. Lubrication system for a ice field rudder propeller according to claim 1 characterised in that the monitoring assembly further comprises a temperature sensor (82), the temperature sensor (82) being adapted to detect the temperature of the oil on the main line (4), the monitoring assembly adjusting the oil flow on the first line (51) and on the second line (52) according to the oil temperature.

4. Lubrication system for a ice road rudder propeller according to claim 1 characterised in that the electric motor (21) is a variable frequency motor.

5. Lubrication system for a ice park rudder propeller according to any one of the claims 1-4 characterised in that the lubrication system further comprises a backup lubrication pump (32) and a backup motor (22) for powering the backup lubrication pump (32), the lubrication pump (31) and the backup lubrication pump (32) being connected in parallel on the main line (4).

6. Lubrication system for a ice park rudder propeller according to any one of the claims 1-4 characterised in that the lubrication system further comprises a filter (9), which filter (9) is arranged upstream of the oil tank (1).

7. Lubrication system for a ice field rudder propeller according to claim 6 characterised in that the filter (9) is a double cartridge filter.

8. A ship comprising a lubrication system for a ice field rudder propeller according to any one of claims 1 to 7.

9. The ship of claim 8, characterized in that the ship comprises a ship body, the transmission mechanism comprises a well box (102) connected to the ship body, an upper gear box (101) connected to one side of the well box (102) close to the ship body, and a lower gear box (103) connected to one side of the well box (102) far away from the ship body, the oil tank (1) is communicated with the upper gear box (101), and the lubricating pump (31) is communicated with the well box (102).

10. A ship according to claim 9, characterized in that the external lubrication system is arranged at the side of the well box (102) near the ship body.