CN102963519B - Sailing control device and method for float-garbage ship - Google Patents

Sailing control device and method for float-garbage ship Download PDF

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Publication number
CN102963519B
CN102963519B CN201210485809.9A CN201210485809A CN102963519B CN 102963519 B CN102963519 B CN 102963519B CN 201210485809 A CN201210485809 A CN 201210485809A CN 102963519 B CN102963519 B CN 102963519B
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pilot
variable displacement
displacement motor
valve
operated directional
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CN102963519A (en
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屠艳东
郭卫
杨良军
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SUZHOU FEICHI ENVIRONMENTAL TECHNOLOGY Co Ltd
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SUZHOU FEICHI ENVIRONMENTAL TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/50Measures to reduce greenhouse gas emissions related to the propulsion system

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Abstract

The invention discloses a sailing control device for a float-garbage ship. The sailing control device comprises an oil tank, a power system, a pilot control system and a control device, wherein the power system comprises a power pump communicated with the oil tank, a pilot operated directional control valve, a variable displacement motor and an executing element driven by using the variable displacement motor; when the pilot operated directional control valve is switched on, the oil tank, the power pump, the pilot operated directional control valve and the variable displacement motor construct an open cycle; the pilot control system comprises a pilot pump connected with the oil tank, a pilot electromagnetic valve connected with the pilot pump, and a pilot control valve connected with the pilot pump; the pilot control valve is communicated with the control oil port of the pilot operated directional control valve, and is used for controlling the pilot operated directional control valve; and the control device is used for controlling the displacements of the pilot electromagnetic valve and the variable displacement motor. The invention discloses a high-low-speed hydraulic control system for a full-hydraulic water surface float-garbage ship, so that high-speed cruising and low-speed operation working modes of the water surface float-garbage ship can be realized on the aspects of sailing speed, the operation efficiency is increased, and the cruising time is shortened.

Description

The sail control device of clear drift ship and method
Technical field
a kind of sail control device and method of clear drift ship is relate in the present invention.
Background technique
along with China's economic is fast-developing, environmental improvement is also more and more taken seriously, and water resources rational use and protection are classified as emphasis by country and implement engineering.But floater in recent years in large small river and water plants heavy damage ecotope, the water surface designed becomes to concentrate to be salvaged and one of capital equipment of process.Still too slow in the process of cruising for the existing speed control method of water surface, cannot increase work efficiency, need to design a kind of hydraulic control system that can have cruising speed and operating rate switching.
Summary of the invention
the invention provides a kind of sail control device and method of clear drift ship, its all-hydraulic water surface height lowsteaming hydraulic control system adopting guide proportion to control.
the invention discloses a kind of sail control device of clear drift ship, it comprises:
fuel tank; And
power system, it comprises the kinetic pump, pilot operated directional control valve, variable displacement motor and the executive component that driven by variable displacement motor that are connected with fuel tank, and when pilot operated directional control valve conducting, described fuel tank, kinetic pump, pilot operated directional control valve, variable displacement motor form open cycle; And
pilot control system, it comprises the pioneer pump be connected with fuel tank, the pilot solenoid valve be connected with pioneer pump, the pilot-actuated valve that is connected with described pilot solenoid valve, and described pilot-actuated valve communicates with the control port of described pilot operated directional control valve and controls described pilot operated directional control valve; And
control gear, for controlling the discharge capacity of pilot solenoid valve and variable displacement motor.
preferably, between pioneer pump and described pilot solenoid valve, also safety valve is provided with.
preferably, described pilot-actuated valve is provided with one handle, the oil pump capacity of the adjustable pilot operated directional control valve of this handle.
preferably, described variable displacement motor comprises solenoid valve, oil cylinder by electromagnetic valve
preferably, described pilot-actuated valve comprises the first pilot-actuated valve and the second pilot-actuated valve, described pilot operated directional control valve comprises the first pilot operated directional control valve and the second pilot operated directional control valve, described variable displacement motor comprises the first variable displacement motor and the second variable displacement motor, described executive component comprises the left paddle wheel controlled by the first variable displacement motor and the right paddle wheel controlled by the second variable displacement motor, described first pilot-actuated valve communicates with the control port of described first pilot operated directional control valve, described second pilot-actuated valve communicates with the control port of described second pilot operated directional control valve, described kinetic pump comprises and is all communicated with the first kinetic pump and the second kinetic pump with fuel tank, described fuel tank, first kinetic pump, first pilot operated directional control valve, first variable displacement motor forms the first open cycle, described fuel tank, second kinetic pump, second pilot operated directional control valve, second variable displacement motor forms the second open cycle.
the invention also discloses and a kind ofly adopt the navigation control method floating clearly ship, it comprises the following steps:
under lower-speed state, the discharge capacity of variable displacement motor is comparatively large, and connect pilot solenoid valve, act on pilot operated directional control valve by pilot-actuated valve, fuel tank, pilot operated directional control valve, variable displacement motor form open cycle, and executive component bends down quick-action in the drive of variable displacement motor and does;
at high speeds, connect pilot solenoid valve and the discharge capacity turning down variable displacement motor, act on pilot operated directional control valve by pilot-actuated valve, fuel tank, pilot operated directional control valve, variable displacement motor form open cycle, and executive component is high speed motion under the drive of variable displacement motor.
preferably, at high speeds, connect the solenoid valve of variable displacement motor, solenoid valve regulates by the position of oil cylinder to piston the discharge capacity raising variable displacement motor.
the present invention is compared with technical background technology, and the useful effect had is:
1, working efficiency improves, and this device is contained in float clearly on ship and can improves transport cruising speed, shortens the time;
2, adopt advanced guide proportion hydraulics, automaticity is high, simple operation, and stable action is safe and reliable.
Accompanying drawing explanation
accompanying drawing 1 is the structure principle chart of the first embodiment in the present invention.
accompanying drawing 2 is the structure principle chart of the second embodiment in the present invention.
in accompanying drawing: 1, oil adsorption filter; 2, oil return filter cleaner; 3, thermometer; 4, liquid level meter; 5, freezing mixture; 6, diesel engine; 7, kinetic pump; 8, pioneer pump; 9, pilot solenoid valve; 10, safety valve; 11, pilot-actuated valve; 12, pilot operated directional control valve; 13, variable displacement motor; 21, the first pump; 22, the second pump; 23, pioneer pump; 31, the first pilot operated directional control valve; 32, the second pilot operated directional control valve; 41, the first variable displacement motor; 42, the second variable displacement motor; 51, the first pilot-actuated valve; 52, the second pilot-actuated valve.
Embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
the first embodiment of the present invention, a kind of sail control device of clear drift ship, it comprises fuel tank, power system, pilot control system, control gear.
fuel tank provides fluid to supply for this sail control device hydraulic system, ensures that whole hydraulic system hydraulic oil is abundant and stable.Fuel tank can be provided with thermometer 3 and liquid level meter 4, the temperature of the oil mass in fuel tank and hydraulic oil is measured.
power system comprises kinetic pump 7, pilot operated directional control valve 12, variable displacement motor 13 and executive component.The oiler of kinetic pump 7 is identical with fuel tank, and hydraulic oil can promote and be passed to pilot operated directional control valve 12 by kinetic pump 7.Pilot operated directional control valve 12 is 3-position 4-way, when left position and right position, and pilot operated directional control valve 12 conducting, and their flow direction is contrary.Variable displacement motor 13 is that the theory of rotating inputs the variable oil hydraulic motor of discharge capacity.It is often used to the heavy loads such as hoist, mechanically high-precision, and the size controlling discharge capacity by regulator is to reach predetermined demand.Executive component can be wheel etc., and it is driven by variable displacement motor 13.Variable displacement motor comprises solenoid valve, oil cylinder by electromagnetic valve.When solenoid valves, the discharge capacity of oil cylinder governor motor.
pilot control system comprises the pioneer pump 8 be connected with fuel tank, the pilot solenoid valve 9 be connected with pioneer pump 8, the pilot-actuated valve 11 that is connected with described pilot solenoid valve 9, and pilot-actuated valve 11 communicates with the control port of described pilot operated directional control valve 12 and controls described pilot operated directional control valve 12.Pilot-actuated valve 11 is provided with one handle, and the oil pump capacity of the adjustable pilot operated directional control valve 12 of this handle, realizes the stepless time adjustment to navigation equipment under lower-speed state.
control gear is for controlling the discharge capacity of pilot solenoid valve and variable displacement motor.
namely the vent line of open cycle also arranges oil adsorption filter 1 in the front end of kinetic pump, the oil circuit of open cycle is also provided with oil return filter cleaner 2 and freezing mixture 5.Filter cleaner can filter hydraulic oil.Freezing mixture can reduce the temperature of the hydraulic oil in open cycle.
adopt the navigation control method of this device, under lower-speed state, the discharge capacity of variable displacement motor 13 is larger, connect pilot solenoid valve 9, pilot operated directional control valve 12 is acted on by pilot-actuated valve 11, fuel tank, kinetic pump 7, pilot operated directional control valve 12, variable displacement motor 13 form open cycle, and executive component bends down quick-action in the drive of variable displacement motor 13 huge discharge and does; At high speeds, connect pilot solenoid valve 9 and the discharge capacity turning down variable displacement motor 13, pilot operated directional control valve 12 is acted on by pilot-actuated valve 11, fuel tank, kinetic pump 7, pilot operated directional control valve 12, variable displacement motor 13 form open cycle, executive component high speed motion under the drive of variable displacement motor 13 small displacement.
sail control device and the method for this clear drift ship enable water surface in headway, realize high-performance cruise and low speed operation two kinds of mode of operations, improve operating efficiency and shorten the cruise time.
the difference of the second embodiment of the present invention and the first embodiment is that pilot-actuated valve 5 comprises the first pilot-actuated valve 51 and the second pilot-actuated valve 52, described pilot operated directional control valve comprises the first pilot operated directional control valve 31 and the second pilot operated directional control valve 32, described variable displacement motor 13 comprises the first variable displacement motor 41 and the second variable displacement motor 42, described executive component comprises the left paddle wheel controlled by the first variable displacement motor 41 and the right paddle wheel controlled by the second variable displacement motor 42, described first pilot-actuated valve 51 communicates with the control port of described first pilot operated directional control valve 31, described second pilot-actuated valve 52 and described second hydraulic control are changed 32 and are communicated to the control port of valve, described kinetic pump 7 comprises and is all communicated with the first kinetic pump 21 and the second kinetic pump 22 with fuel tank, described fuel tank, first kinetic pump 21, first pilot operated directional control valve 31, first variable displacement motor 41 forms the first open cycle, described fuel tank, second kinetic pump 22, second pilot operated directional control valve 32, second variable displacement motor 42 forms the second open cycle.
this kind of left paddle wheel of structure and right paddle wheel apportion is adopted to control, turning to of convenient clear drift ship.
concrete, be connected from oil adsorption filter 11 oil outlet with the inlet port of pioneer pump 23 by diesel-driven first pump 21, second pump 22, the filler opening of oil adsorption filter 11 is connected with fuel tank; First pump 21, second pump 22 is connected with the first pilot operated directional control valve 31, second pilot operated directional control valve 32 and the first pilot-actuated valve 51 filler opening, the second pilot-actuated valve 52 respectively with the oil outlet of pioneer pump 23, and the oil outlet of pioneer pump 23 is connected with pilot solenoid valve 61 filler opening simultaneously;
first pilot operated directional control valve 31 is connected with the first variable displacement motor 41, and the second pilot operated directional control valve 32 is connected with the second variable displacement motor 42; First pilot-actuated valve 51 is connected with the pilot control opening of the first pilot operated directional control valve 31, being connected with the pilot control opening of the second pilot operated directional control valve 32 of the second pilot-actuated valve 52;
first pilot operated directional control valve 31, second pilot operated directional control valve 32, first pilot-actuated valve 51 is connected with cooler 15 filler opening with pilot solenoid valve 61 oil outlet, and cooler 15 oil outlet is connected with fuel tank;
first variable displacement motor 41 is connected with fuel tank with the leakage hydraulic fluid port of the second variable displacement motor 42.
local-speed mode of operation: after diesel engine starting, that YV1 is obtained is electric for operated pilot reversing control valve safety switch, push away before the first pilot-actuated valve 51 and the second pilot-actuated valve 52 handle, the pressure oil of pioneer pump 23 controls the fuel-displaced of the first pilot operated directional control valve 31 and the second pilot operated directional control valve 32 by the first pilot-actuated valve 51 and the second pilot-actuated valve 52, pressure oil promotes paddle wheel and drives variable displacement motor to rotate, thus drives the rotation of left and right paddle wheel to drive hull to advance.First pilot-actuated valve 51 and the second pilot-actuated valve 52 handle aperture size can regulate the oil pump capacity of the first pilot operated directional control valve 31 and the second pilot operated directional control valve 32, and controllable variable motor drive speed size arrives job requirement; Otherwise the first pilot-actuated valve 51 and the second pilot-actuated valve 52 handle pusher hull retreat.
high-speed operation mode: after diesel engine starting, that YV1, YV2, YV3 are obtained is electric for operated pilot reversing control valve safety switch and high-performance cruise safety switch, YV2, YV3 obtain electric after variable displacement motor swash plate control piston cylinder is communicated with variable displacement motor, push away before the first pilot-actuated valve 51 and the second pilot-actuated valve 52, the pressure oil of pioneer pump 23 control the first pilot operated directional control valve 31 by the first pilot-actuated valve 51 and the second pilot-actuated valve 52 and the second pilot operated directional control valve 32 fuel-displaced, pressure oil promotes paddle wheel and drives variable displacement motor to rotate, thus drives paddle wheel rotation to drive hull to advance.Guide's reversing control valve 51,52 handle aperture size can regulate the oil pump capacity of the first pilot operated directional control valve 31 and the second pilot operated directional control valve 32, and controllable variable motor drive speed size arrives job requirement; Otherwise the first pilot-actuated valve 51 and the second pilot-actuated valve 52 handle pusher hull retreat.Because pressure oil promotes motor swashplate control piston cylinder, motor displacement is reduced, so motor drive speed can be accelerated, drive paddle wheel rotational velocity driving hull to advance fast or the speed that retreats also can be accelerated.
the invention discloses all-hydraulic water surface high low speed hydraulic control system, enable water surface in headway, realize high-performance cruise and low speed operation two kinds of mode of operations, improve operating efficiency and shorten the cruise time.
above specific embodiment of the present invention is illustrated in conjunction with diagram, clearly on the basis not leaving scope and spirit of the present invention, much can revise prior art and technique.In art of the present invention, the usual knowledge of a GPRS, just within the scope of technology main idea of the present invention, can carry out diversified change.

Claims (5)

1. a sail control device for clear drift ship, it is characterized in that, it comprises:
Fuel tank;
And power system, it comprises the kinetic pump, pilot operated directional control valve, variable displacement motor and the executive component that driven by variable displacement motor that are connected with fuel tank, described variable displacement motor comprises solenoid valve, oil cylinder by electromagnetic valve, when pilot operated directional control valve conducting, described fuel tank, kinetic pump, pilot operated directional control valve, variable displacement motor form open cycle;
And pilot control system, it comprises the pioneer pump be connected with fuel tank, the pilot solenoid valve be connected with pioneer pump, the pilot-actuated valve that is connected with described pilot solenoid valve, and described pilot-actuated valve communicates with the control port of described pilot operated directional control valve and controls described pilot operated directional control valve;
And control gear, for controlling the discharge capacity of pilot solenoid valve and variable displacement motor, wherein between pioneer pump and described pilot solenoid valve, be also provided with safety valve.
2. according to the sail control device of the clear drift ship described in claim 1, it is characterized in that: described pilot-actuated valve is provided with one handle, the oil pump capacity of the adjustable pilot operated directional control valve of this handle.
3. according to the sail control device of the clear drift ship described in claim 1, it is characterized in that: described pilot-actuated valve comprises the first pilot-actuated valve and the second pilot-actuated valve, described pilot operated directional control valve comprises the first pilot operated directional control valve and the second pilot operated directional control valve, described variable displacement motor comprises the first variable displacement motor and the second variable displacement motor, described executive component comprises the left paddle wheel controlled by the first variable displacement motor and the right paddle wheel controlled by the second variable displacement motor, described first pilot-actuated valve communicates with the control port of described first pilot operated directional control valve, described second pilot-actuated valve communicates with the control port of described second pilot operated directional control valve, described kinetic pump comprises and is all communicated with the first kinetic pump and the second kinetic pump with fuel tank, described fuel tank, first kinetic pump, first pilot operated directional control valve, first variable displacement motor forms the first open cycle, described fuel tank, second kinetic pump, second pilot operated directional control valve, second variable displacement motor forms the second open cycle.
4. one kind adopts the navigation control method as the clear drift ship of the sail control device of one of claim 1 to 3, it is characterized in that, it comprises the following steps: under lower-speed state, the discharge capacity of variable displacement motor is larger, connect pilot solenoid valve, act on pilot operated directional control valve by pilot-actuated valve, fuel tank, pilot operated directional control valve, variable displacement motor form open cycle, and executive component bends down quick-action in the drive of variable displacement motor and does; At high speeds, connect pilot solenoid valve and the discharge capacity turning down variable displacement motor, act on pilot operated directional control valve by pilot-actuated valve, fuel tank, pilot operated directional control valve, variable displacement motor form open cycle, and executive component is high speed motion under the drive of variable displacement motor.
5. the navigation control method of clear drift ship according to claim 4, is characterized in that: at high speeds, and connect the solenoid valve of variable displacement motor, solenoid valve regulates by the position of oil cylinder to piston the discharge capacity raising variable displacement motor.
CN201210485809.9A 2012-11-26 2012-11-26 Sailing control device and method for float-garbage ship Active CN102963519B (en)

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CN103352888B (en) * 2013-07-31 2016-06-08 上海海事大学 Frequency conversion type sail hydraulic control system
CN110254676B (en) * 2019-05-13 2021-06-01 自然资源部第一海洋研究所 Control system for assisting scientific investigation ship to realize low-speed towing operation by utilizing DP
CN110239675B (en) * 2019-05-13 2021-06-01 自然资源部第一海洋研究所 Scientific investigation ship capable of realizing low-speed and constant-speed towing operation
CN111664135A (en) * 2020-04-23 2020-09-15 武汉船用机械有限责任公司 Hydraulic system of gear rack lifting platform
CN114291242B (en) * 2021-12-10 2023-03-14 深圳市苇渡智能科技有限公司 Propeller control method, propeller, and computer-readable storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871332A (en) * 1986-05-12 1989-10-03 Nautical Propulsion Research Limited Naval propulsion plant with hydraulic transmission
US5879207A (en) * 1998-07-07 1999-03-09 Edmon; Arthur C. Single engine dual propeller water craft
CN101152902A (en) * 2007-09-14 2008-04-02 纪玉龙 Power regenerating watercraft hydraulic pressure propulsion method and apparatus
CN101249884A (en) * 2008-04-07 2008-08-27 纪玉龙 Ship craft integrated hydraulic propulsion method and device
CN202935566U (en) * 2012-11-26 2013-05-15 张家港市飞驰机械制造有限公司 Navigational control device of clean floating ship

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871332A (en) * 1986-05-12 1989-10-03 Nautical Propulsion Research Limited Naval propulsion plant with hydraulic transmission
US5879207A (en) * 1998-07-07 1999-03-09 Edmon; Arthur C. Single engine dual propeller water craft
CN101152902A (en) * 2007-09-14 2008-04-02 纪玉龙 Power regenerating watercraft hydraulic pressure propulsion method and apparatus
CN101249884A (en) * 2008-04-07 2008-08-27 纪玉龙 Ship craft integrated hydraulic propulsion method and device
CN202935566U (en) * 2012-11-26 2013-05-15 张家港市飞驰机械制造有限公司 Navigational control device of clean floating ship

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP平1-106798A 1989.04.24 *
船舶液压推进系统设计及效率研究;魏德宝;《万方学位论文》;20101125;全文 *
船舶综合液压推进系统设计及动态仿真;阎欣;《万方学位论文》;20060918;全文 *

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Address after: Suzhou City, Jiangsu province 215621 Zhangjiagang Leyu Le Feng Road No. 1

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Denomination of invention: Navigation control device and method of cleaning and bleaching ship

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