CN103953593A - Hydraulic control device for adjustable pitch side thrusting of ship - Google Patents
Hydraulic control device for adjustable pitch side thrusting of ship Download PDFInfo
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- CN103953593A CN103953593A CN201410199656.0A CN201410199656A CN103953593A CN 103953593 A CN103953593 A CN 103953593A CN 201410199656 A CN201410199656 A CN 201410199656A CN 103953593 A CN103953593 A CN 103953593A
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- thruster
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- propeller hub
- fuel tank
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Abstract
The invention discloses a hydraulic control device for adjustable pitch side thrusting of a ship. The hydraulic control device comprises a hydraulic station and a side thrusting pitch angle adjustment mechanism in a propeller hub, wherein the hydraulic station comprises a side thrusting oil tank, a motor pump unit, a filter, an electromagnetic overflow valve, a pressure compensator and an electromagnetic proportional reversing valve; an input end of the motor pump unit is connected with the side thrusting oil tank; a pipeline of a working branch at an output end of the motor pump unit passes through the filter and the pressure compensator, and is then connected with an input end of the electromagnetic proportional reversing valve; a pipeline of an oil return branch at the output end of the motor pump unit returns to the side thrusting oil tank via the electromagnetic overflow valve; a pipeline at an output end of the electromagnetic proportional reversing valve is butted with the side thrusting pitch angle adjustment mechanism in the propeller hub; the device can allow a working oil flow entering the electromagnetic proportional reversing valve to be more stable; when a pitch is adjusted, the pitch is changed accurately and stably; oily soil produced during working of the propeller hub is cleaned; the quality of working oil of a gear box in the propeller hub is ensured; and the hydraulic station is in a safe working state all the time.
Description
Technical field
The present invention relates to a kind of for boats and ships adjustable pitch thruster hydraulic control device, especially a kind of hydraulic control system for variable pitch thruster.
Background technique
By the lateral propelling that regulates blade pitch to change thrust, at big-and-middle-sized civilian ships that transport, be widely used, owing to changing the size of the angle of pitch, just can change the size of thrust, changing the angle of pitch can change continuously, can improve the manoeuvring performance of boats and ships.Adjustable pitch lateral thruster is all generally to adopt hydraulic system to complete pitch regulated at present.
Common adjustable pitch thruster hydraulic system contains a gravity tank, and gravity tank fluid provides sealing oil pressure to thruster gear-box when supplying with roll adjustment oil pump.The hydraulic system gravity fuel tank setting height(from bottom) of the type is very high, and system pipeline is long, is difficult to solve the oil suction problem of roll adjustment oil pump, and in the process of roll adjustment, the sealing oil pressure of propeller hub also can be affected.Some hydraulic system increases the setting height(from bottom) that a pneumatic control case reduces gravity tank, but reliability is not very high.The adjusting of common hydraulic system employing series flow control valve and common solenoid directional control valve the controlled pitch of screws, this regulative mode, after series flow control valve and common solenoid directional control valve regulating command, or standard-sized sheet rapidly, or rapid complete shut-down, the working state of propeller hub can only be positioned at two specific extreme value places.To this, some system adopts separately solenoid-operated proportional selector valve to realize the adjusting of pitch, and the fluctuation due to solenoid-operated proportional selector valve input oil pressure in work, also can cause in the adjustment process of propeller hub, and pitch changes not accurate enough and steady.
Summary of the invention
The series flow control valve and the common solenoid directional control valve speed governing that for current boats and ships adjustable pitch thruster hydraulic control device, exist can only make the adjusting of thruster pitch be positioned at constant governing speed, and while adopting common solenoid directional control valve to realize the adjusting of pitch, can be because of the fluctuation of solenoid directional control valve load in work, cause the series of problems such as the adjustment process of thruster pitch is not accurate enough and steady, provide a kind of new for boats and ships adjustable pitch thruster hydraulic control device.
The object of the present invention is achieved like this: a kind of for boats and ships adjustable pitch thruster hydraulic control device, the thruster angle of pitch controlling mechanism that comprises hydraulic station and propeller hub inside, it is characterized in that, described hydraulic station comprises thruster fuel tank, electric-motor pump group, filter, electromagnetic relief valve, pressure compensator and solenoid-operated proportional selector valve, wherein, the input end of electric-motor pump group is connected with thruster fuel tank, the pipeline of the work branch of output terminal is through filter, after pressure compensator, be connected with the input end of solenoid-operated proportional selector valve, the pipeline of the oil return branch road of output terminal returns to thruster fuel tank through electromagnetic relief valve, the pipeline of solenoid-operated proportional selector valve output terminal docks with the thruster angle of pitch controlling mechanism of propeller hub inside.
In the present invention, the pipeline of described oil return branch road is after electromagnetic relief valve, thruster fuel tank is returned on one tunnel, thruster fuel tank is returned to after entering the oil back chamber of propeller hub inner teeth roller box again in another road, wherein, the pipeline that is directly returned to thruster fuel tank by electromagnetic relief valve is provided with ball valve, and the pipeline that enters propeller hub internal gear tank drainback chamber is provided with one-way valve.
In the present invention, thruster fuel tank is provided with oil temperature exceed standard alarm switch, outlet valve and fuel outlet ball valve, pipeline between thruster fuel tank and electric-motor pump group is provided with oil-tank filtering device, the output terminal of electric-motor pump group is provided with one-way valve and low pressure warning switch, and the pipeline between filter and pressure compensator is provided with pressure gauge.
In the present invention, hydraulic control system is also furnished with gravity tank, between gravity tank and thruster fuel tank, is provided with the pipeline containing ball valve, and gravity tank is linked up by the seal ring of pipeline and propeller hub inner teeth roller box, and the sealing oil of propeller hub internal tooth roller box is provided.
In the present invention, on gravity tank, be furnished with liquid level sensor, air-strainer and fuel outlet ball valve.
The invention has the advantages that, because the input end at solenoid-operated proportional selector valve arranges pressure compensator, the working oil flow that can guarantee to enter solenoid-operated proportional selector valve is more steady, and while regulating pitch, pitch changes more accurately and steadily; Due to independently hydraulic station being set, configure independently thruster fuel tank, the influence of fluctuations propeller hub because of oil pressure in gravity tank in the time of can avoiding thruster to adjust pitch seals oil pressure situation; Owing to having configured electromagnetic relief valve at adjustable pitch thruster hydraulic control device, can in solenoid-operated proportional diverter valve imoperative, make electric-motor pump group in off-load working method; Because electromagnetic relief valve has two oil return branch roads, article one, oil return branch road returns to thruster fuel tank through the oil back chamber of propeller hub gear-box, have the function of circulation and the oil return of collection propeller hub concurrently, can be to forming cleaning oil pollution in propeller hub work, guarantee the quality of propeller hub internal tooth roller box working oil liquid, the process circulating due to oil return can form back pressure, by regulating the open degree of another branch road upper ball valve, just the allocation proportion of oil return flow on two oil return branch roads of energy reasonable distribution, effectively lowers the impact of back pressure on system stability work; Low pressure warning switch in device, filter, oil-tank filtering device, pressure gauge and the oil temperature alarm switch that exceeds standard can guarantee that hydraulic station is all the time in safe work state.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the embodiment of the present invention.
Fig. 2 is hydraulic station embodiment's of the present invention stereoeffect schematic diagram.
In figure: 1, hydraulic station, 2, propeller hub, 3, gravity tank, 4, thruster fuel tank, 5, electric-motor pump group, 6, filter, 7, electromagnetic relief valve, 8, pressure compensator, 9, solenoid-operated proportional selector valve, 10, ball valve, 11, one-way valve, 12, the oil temperature alarm switch that exceeds standard, 13, fuel outlet ball valve, 14, oil-tank filtering device, 15, low pressure warning switch, 16, pressure gauge, 17, liquid level sensor, 18, air-strainer, 19, outlet valve, 20, ball valve.
Embodiment
Accompanying drawing discloses the basic principle of the embodiment of the present invention and the stereochemical structure of hydraulic station without limitation, and below in conjunction with accompanying drawing, the invention will be further described.
From Fig. 1 Fig. 2, the present invention includes and comprise hydraulic station 1, propeller hub 2 and gravity tank 3, propeller hub 2 inside be provided with thruster angle of pitch controlling mechanism, described hydraulic station 1 comprises thruster fuel tank 4, electric-motor pump group 5, filter 6, electromagnetic relief valve 7, pressure compensator 8 and solenoid-operated proportional selector valve 9, wherein, the input end of electric-motor pump group 5 is connected with thruster fuel tank 4, the pipeline of the work branch of output terminal is connected with the input end of solenoid-operated proportional selector valve 9 after filter 6, pressure compensator 8, and the pipeline of the oil return branch road of output terminal returns to thruster fuel tank 4 through electromagnetic relief valve 7; The pipeline of solenoid-operated proportional selector valve 9 output terminals docks with the thruster angle of pitch controlling mechanism of propeller hub 2 inside.
In the present embodiment, the pipeline of described oil return branch road is after electromagnetic relief valve 7, thruster fuel tank 4 is returned on one tunnel, thruster fuel tank 4 is returned to after entering the oil back chamber of propeller hub 2 inside again in another road, wherein, the pipeline that is directly returned to thruster fuel tank 4 by electromagnetic relief valve 7 is provided with ball valve 10, and the pipeline that enters the oil back chamber of propeller hub 2 inside is provided with one-way valve 11.On thruster fuel tank 4, be also provided with oil temperature exceed standard alarm switch 12, outlet valve 19 and fuel outlet ball valve 13, pipeline between thruster fuel tank 4 and electric-motor pump group 5 is provided with oil-tank filtering device 14, the output terminal of electric-motor pump group 5 is provided with one-way valve 11 and low pressure warning switch 15, and the pipeline between filter 6 and pressure compensator 8 is provided with pressure gauge 16.Between gravity tank 3 and thruster fuel tank 4, be provided with the pipeline containing ball valve 20, gravity tank 3 is linked up by the seal ring of pipeline and propeller hub 2 inside, and the sealing oil of propeller hub 2 is provided.On gravity tank 3, be furnished with liquid level sensor 17, air-strainer 18 and fuel outlet ball valve 13.
Before use, open the ball valve 20 on pipeline between the outlet valve 19 of thruster gear-box 4 and gravity tank 3 and thruster fuel tank 4, by gravity tank 3, be thruster gear-box 4 filling hydraulic oil liquids, until thruster gear-box 4 is filled it up with, close outlet valve 19, be that gravity tank 3 supplements hydraulic oil to the position of oil ga(u)ge setting according to liquid level sensor 17 simultaneously.
During work, starting electrical machinery pump group 5, when not needing to regulate pitch, electromagnetic relief valve 7 obtains electric, and the hydraulic oil of electric-motor pump group 5 outputs is by electromagnetic relief valve 7 off-loads; In the time of need to regulating pitch, allow electromagnetic relief valve 7 dead electricity, electric-motor pump group 5 output terminals are set up working pressure, and provide stable working solution force feed by pressure compensator 8 for solenoid-operated proportional selector valve 9.
Because the input end at solenoid-operated proportional selector valve 9 is provided with pressure compensator 8, the oil inlet and outlet that can be solenoid-operated proportional selector valve 9 input ends is set up constant pressure reduction, make the flow control of Proportional valve not be subject to the impact of load variations, make the acceleration of roll adjustment process, moderating process more precise and stable.Be conducive to improve roll adjustment speed and precision.Owing to adopting electromagnetic relief valve 7 off-loads can effectively lower the heating value of system, and dead electricity is built pressure and can still can be provided working pressure occurring controlling under fault, contributes to the stability of system.
At the run duration of hydraulic system, hydraulic station 1 is distant with propeller hub, and the thruster gear-box 4 of hydraulic station 1 has the task of reclaiming propeller hub oil return concurrently, then flow back into thruster fuel tank.Although so circulation contributes to the clean of gear-box inner fluid,, because the long meeting of pipeline forms a large back pressure at propeller hub gear-box, pipeline is longer, and back pressure is larger, and back pressure is also subject to the impact of temperature.Therefore, in device, by regulating the open degree of ball valve 10 in oil return branch road, just can make the oil return of electromagnetic relief valve 7 off-loads or overflow will directly return thruster fuel tank 4, effectively reduce recycle oil flow and can effectively lower back pressure.
Gravity tank 3 is linked up by pipeline with thruster fuel tank 4, and gravity tank 3 is connected with propeller hub interface, has increased recycle oil flow area, also has the effect that reduces back pressure, significantly lowers the wave range of propeller hub 1 gear-box pressure.Guarantee that in system, each parts are all being worked in scope safely and efficiently.
Claims (5)
1. one kind for boats and ships adjustable pitch thruster hydraulic control device, the thruster angle of pitch controlling mechanism that comprises hydraulic station and propeller hub inside, it is characterized in that, described hydraulic station comprises thruster fuel tank, electric-motor pump group, filter, electromagnetic relief valve, pressure compensator and solenoid-operated proportional selector valve, wherein, the input end of electric-motor pump group is connected with thruster fuel tank, the pipeline of the work branch of output terminal is connected with the input end of solenoid-operated proportional selector valve after filter, pressure compensator, and the pipeline of the oil return branch road of output terminal returns to thruster fuel tank through electromagnetic relief valve; The pipeline of solenoid-operated proportional selector valve output terminal docks with the thruster angle of pitch controlling mechanism of propeller hub inside.
2. according to claim 1 for boats and ships adjustable pitch thruster hydraulic control device, it is characterized in that: the pipeline of described oil return branch road is after electromagnetic relief valve, thruster fuel tank is returned on one tunnel, thruster fuel tank is returned to after entering the oil back chamber of propeller hub inner teeth roller box again in another road, wherein, the pipeline that is directly returned to thruster fuel tank by electromagnetic relief valve is provided with ball valve, and the pipeline that enters propeller hub internal gear tank drainback chamber is provided with one-way valve.
3. according to claim 1 for boats and ships adjustable pitch thruster hydraulic control device, it is characterized in that: thruster fuel tank is provided with oil temperature exceed standard alarm switch, outlet valve and fuel outlet ball valve, pipeline between thruster fuel tank and electric-motor pump group is provided with oil-tank filtering device, the output terminal of electric-motor pump group is provided with one-way valve and low pressure warning switch, and the pipeline between filter and pressure compensator is provided with pressure gauge.
According to one of claim 1-3 Suo Shu for boats and ships adjustable pitch thruster hydraulic control device, it is characterized in that: hydraulic control system is also furnished with gravity tank, between gravity tank and thruster fuel tank, be provided with the pipeline containing ball valve, gravity tank is linked up by the seal ring of pipeline and propeller hub inner teeth roller box, and the sealing oil of propeller hub internal tooth roller box is provided.
5. according to claim 4 for boats and ships adjustable pitch thruster hydraulic control device, it is characterized in that: on gravity tank, be furnished with liquid level sensor, air-strainer and fuel outlet ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199656.0A CN103953593B (en) | 2014-05-13 | 2014-05-13 | Hydraulic control device is pushed away for boats and ships adjustable pitch side |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199656.0A CN103953593B (en) | 2014-05-13 | 2014-05-13 | Hydraulic control device is pushed away for boats and ships adjustable pitch side |
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| CN103953593A true CN103953593A (en) | 2014-07-30 |
| CN103953593B CN103953593B (en) | 2016-08-24 |
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| CN201410199656.0A Active CN103953593B (en) | 2014-05-13 | 2014-05-13 | Hydraulic control device is pushed away for boats and ships adjustable pitch side |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365069A (en) * | 2014-08-24 | 2016-03-02 | 广饶县时进机械配件加工厂 | Novel hydraulic milling machine matching apparatus |
| CN106323616A (en) * | 2016-08-26 | 2017-01-11 | 武汉船用机械有限责任公司 | Box type oil distributor rotating test system |
| CN109915431A (en) * | 2019-04-10 | 2019-06-21 | 中国船舶重工集团公司第七0四研究所 | Tuning for Controllable Pitch Propeller hydraulic system Redundant Control valve group |
| CN115230929A (en) * | 2022-07-29 | 2022-10-25 | 广船国际有限公司 | Propeller system and ship |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365069A (en) * | 2014-08-24 | 2016-03-02 | 广饶县时进机械配件加工厂 | Novel hydraulic milling machine matching apparatus |
| CN106323616A (en) * | 2016-08-26 | 2017-01-11 | 武汉船用机械有限责任公司 | Box type oil distributor rotating test system |
| CN106323616B (en) * | 2016-08-26 | 2020-01-31 | 武汉船用机械有限责任公司 | Rotation test system of box-type oil distributor |
| CN109915431A (en) * | 2019-04-10 | 2019-06-21 | 中国船舶重工集团公司第七0四研究所 | Tuning for Controllable Pitch Propeller hydraulic system Redundant Control valve group |
| CN115230929A (en) * | 2022-07-29 | 2022-10-25 | 广船国际有限公司 | Propeller system and ship |
| CN115230929B (en) * | 2022-07-29 | 2023-08-04 | 广船国际有限公司 | Propeller system and ship |
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| CN103953593B (en) | 2016-08-24 |
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