CN107191417A - A kind of wave compensating device and its compensating cylinder hydraulic control system - Google Patents

A kind of wave compensating device and its compensating cylinder hydraulic control system Download PDF

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Publication number
CN107191417A
CN107191417A CN201710221596.1A CN201710221596A CN107191417A CN 107191417 A CN107191417 A CN 107191417A CN 201710221596 A CN201710221596 A CN 201710221596A CN 107191417 A CN107191417 A CN 107191417A
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CN
China
Prior art keywords
oil
valve
cylinder
control valve
port
Prior art date
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Granted
Application number
CN201710221596.1A
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Chinese (zh)
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CN107191417B (en
Inventor
汪康平
王洪林
覃刚
丁元亮
张胜高
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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 CN201710221596.1A priority Critical patent/CN107191417B/en
Publication of CN107191417A publication Critical patent/CN107191417A/en
Application granted granted Critical
Publication of CN107191417B publication Critical patent/CN107191417B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/024Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/18Arrangement of ship-based loading or unloading equipment for cargo or passengers of cableways, e.g. with breeches-buoys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/857Monitoring of fluid pressure systems

Abstract

The invention discloses a kind of wave compensating device and its compensating cylinder hydraulic control system, the first oil cylinder port connected with hydraulic system and the second oil cylinder port connected with accumulator are provided with the cylinder body of the wave compensating device, the hydraulic system includes the first check valve, second check valve, first control valve, second control valve, overflow valve, slippage pump and fuel tank, the oil inlet of first check valve is connected with the first oil cylinder port, the oil-out of first check valve is connected with the oil inlet of overflow valve, the oil-out of overflow valve is connected with fuel tank, first hydraulic fluid port of the first control valve is connected with the first oil cylinder port, the oil inlet of second hydraulic fluid port of the first control valve respectively with overflow valve, the oil-out of second check valve and the connection of the first hydraulic fluid port of the second control valve, the oil inlet of second check valve is connected with fuel tank, second hydraulic fluid port of the second control valve is connected with the oil-out of slippage pump, the oil inlet of slippage pump is connected with fuel tank, it can prevent the rod chamber of compensating cylinder from producing corrosion.

Description

A kind of wave compensating device and its compensating cylinder hydraulic control system
Technical field
The present invention relates to marine machinery technical field, more particularly to a kind of wave compensating device and and its compensating cylinder hydraulic pressure Control system.
Background technology
The comprehensive make-up system in sea is that the ship and platform for ensureing high seas working are capable of the key equipment of normal operation.And During carrying out seaborne supply work, because maritime environment is complicated and changeable, hull can be dynamic with wavy hair capture, makes the benefit hung Teetertottered together to goods, danger is brought to ship's staff, equipment and hull, in order to reduce shadow of the wave to supply work Ring, it will usually which a wave compensating device is set on hull.
At present, the wave compensating device of use generally includes compensating cylinder and is separately fixed at the two ends of the compensating cylinder Two fixed pulleys, lifting supply goods wirerope-winding on the two fixed pulleys.Wherein, compensating cylinder is single-acting liquid Compressing cylinder, is made up of, cylinder body is divided into rod chamber and rodless cavity by piston rod cylinder body and piston rod.Cylinder body lower end is provided with an oil Mouthful, the rodless cavity of compensating cylinder is connected by the hydraulic fluid port with accumulator.When hull floats suddenly, the pulling force on steel wire rope is unexpected Increase, compressed oil cylinder makes in piston rod retract cylinder, and the fixed pulley distance at oil cylinder two ends is reduced so that steel wire rope is released, and is reduced The distance that goods floats.When hull sinks suddenly, the pulling force on steel wire rope reduces, and accumulator releases energy so that piston rod Moved to rod chamber direction, the fixed pulley distance increase at oil cylinder two ends so that steel wire rope is tightened up, and reduces the distance that goods declines, Realize compensation of undulation.
During the present invention is realized, inventor has found that prior art at least has problems with:
It is not continuous work that sea, which neutralizes make-up system, and often completing can the just meeting of interval regular hour after a material supply Work is fed next time.Interval may be up to the several months.Compensating cylinder is single-action hydrocylinder, and it only has in rod chamber There is oil, and do not have oil in rodless cavity.When cylinder seal does not cause sternly air to enter cylinder body, rod chamber then can directly connect with air Touch, at sea in special salt mist environment, the rod chamber part of the compensating cylinder can be caused to produce corrosion, cause piston rod can not Proper motion, influences the folding and unfolding length of steel wire rope, leads to not realize compensation of undulation.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of wave compensating device and its compensating cylinder Hydraulic control system, can be good at preventing the rod chamber of compensating cylinder from producing corrosion, technical scheme is as follows:
On the one hand, the invention provides a kind of wave compensating device, the wave compensating device includes compensating cylinder, pulley Component, accumulator, the pulley assembly include mending installed in the first pulley of one end of the compensating cylinder and installed in described Repay the second pulley of the other end of oil cylinder;
The compensating cylinder includes cylinder body and the piston rod being arranged in the cylinder body, and the piston rod is by the cylinder body Part, which is divided on rod chamber and rodless cavity, the cylinder body, is provided with the first oil cylinder port and the second oil cylinder port, first oil Cylinder hydraulic fluid port is connected with the rod chamber, and second oil cylinder port is connected with the rodless cavity;The accumulator and described second Oil cylinder port is connected;
The wave compensating device also includes the hydraulic system being connected with first oil cylinder port, the hydraulic system bag The first check valve, the second check valve, the first control valve, the second control valve, overflow valve, slippage pump and fuel tank are included, described first is single Connected to the oil inlet of valve with first oil cylinder port, the oil-out of first check valve and the oil inlet of the overflow valve Connection, the oil-out of the overflow valve is connected with the fuel tank, the first hydraulic fluid port of first control valve and first oil cylinder Hydraulic fluid port is connected, and the second hydraulic fluid port of first control valve oil inlet respectively with the overflow valve, second check valve go out Hydraulic fluid port is connected with the first hydraulic fluid port of second control valve, and the oil inlet of second check valve is connected with the fuel tank, described Second hydraulic fluid port of the second control valve is connected with the oil-out of the slippage pump, and the oil inlet of the slippage pump connects with the fuel tank It is logical.
Further, first control valve and second control valve are 2/2-way magnetic valve.
Further, the Opening pressure of the overflow valve is 10bar.
Further, the hydraulic system also includes oil pressure detection sensor, and the oil pressure detection sensor is located at described On oil circuit between second hydraulic fluid port of the first control valve and the oil inlet of the overflow valve.
Further, the compensation device also includes:
Control device, for controlling first control valve, second control valve and the slippage pump.
Further, the compensation device also includes:For being reached when the pressure value that the oil pressure detection sensor is detected During to setting value, the warning device of alarm is sent.
On the other hand, the embodiments of the invention provide a kind of compensating cylinder hydraulic control system, the compensating cylinder includes The cylinder interior is divided into rod chamber and rodless cavity by cylinder body and the piston rod being arranged in the cylinder body, the piston rod, The first oil cylinder port and the second oil cylinder port are provided with the cylinder body, first oil cylinder port is connected with the rod chamber, Second oil cylinder port is connected with the rodless cavity;
The compensating cylinder hydraulic control system includes the first check valve, the second check valve, the first control valve, the second control Valve, overflow valve, slippage pump and fuel tank, the oil inlet of first check valve are connected with first oil cylinder port, and described first The oil-out of check valve is connected with the oil inlet of the overflow valve, and the oil-out of the overflow valve is connected with the fuel tank, described First hydraulic fluid port of the first control valve is connected with first oil cylinder port, the second hydraulic fluid port of first control valve respectively with it is described The oil inlet of overflow valve, the oil-out of second check valve are connected with the first hydraulic fluid port of second control valve, and described second The oil inlet of check valve is connected with the fuel tank, and the second hydraulic fluid port of second control valve connects with the oil-out of the slippage pump Logical, the oil inlet of the slippage pump is connected with the fuel tank.
Further, first control valve and second control valve are 2/2-way magnetic valve.
Further, the Opening pressure of the overflow valve is 10bar.
Further, the hydraulic system also includes oil pressure detection sensor, and the oil pressure detection sensor is located at described On oil circuit between second hydraulic fluid port of the first control valve and the oil inlet of the overflow valve.
The beneficial effect of technical scheme provided in an embodiment of the present invention is:
The embodiment of the present invention, as compensating cylinder, when seaborne supply system does not work, passes through benefit using two-way cylinder Oil circuit injects fluid into the rod chamber of compensating cylinder, so as to avoid the corrosion of rod chamber.The repairing oil circuit includes master Dynamic repairing oil circuit and passive repairing oil circuit, wherein, active repairing oil circuit includes the first control valve, the second control valve being sequentially connected And slippage pump, by controlling the first control valve, the second control valve and slippage pump, you can realize active repairing.By setting overflow Valve, can be prevented in active oil replenishing process, system oil pressure is excessive.Passive repairing oil circuit includes the second check valve and the first control Valve, in wave compensating device power cut-off, supplements hydraulic oil to rod chamber from fuel tank automatically.Meanwhile, it is connected to by setting The first check valve between first oil cylinder port and fuel tank, forms draining oil circuit, (needs to carry out in wave compensating device work Compensation of undulation) when, it is emitted into by the draining oil circuit in fuel tank.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is a kind of structural representation of wave compensating device provided in an embodiment of the present invention;
Fig. 2 is a kind of part-structure schematic diagram of wave compensating device provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention Formula is described in further detail.
Fig. 1 is a kind of structural representation of wave compensating device provided in an embodiment of the present invention, as shown in figure 1, the wave Compensation device includes compensating cylinder 10, pulley assembly, accumulator 30 and hydraulic system 40.Pulley assembly is included in compensating cylinder 10 The second pulley 22 of the first pulley 21 of one end and the other end installed in compensating cylinder 10.
Fig. 2 is a kind of part-structure schematic diagram of wave compensating device provided in an embodiment of the present invention, as shown in Fig. 2 mending Repaying oil cylinder 10 includes cylinder body 11 and the piston rod 12 being arranged in cylinder body 11, and cylinder body 11 is upper-lower seal structure, and piston rod 12 will It is divided into inside cylinder body 11 on rod chamber 13 and rodless cavity 14, cylinder body 11 and is provided with the first oil cylinder port A and the second oil cylinder port B, the first oil cylinder port A is connected with rod chamber 13, and the second oil cylinder port B is connected with rodless cavity 14.Hydraulic system 40 and cylinder body 11 On the first oil cylinder port A connections, accumulator 30 connects with the second oil cylinder port B on cylinder body 11.
Specifically, as shown in Fig. 2 hydraulic system include the first check valve 41, the second check valve 48, the first control valve 42, Second control valve 43, slippage pump 44, fuel tank 45 and overflow valve 46, the oil inlet 41a of the first check valve 41 and the first oil cylinder port A Connection, the oil-out 41b of the first check valve 41 is connected with the oil inlet 46a of overflow valve 46, oil-out 46b and the oil of overflow valve 46 Case 45 is connected, and the first hydraulic fluid port 42a of the first control valve 42 is connected with the first oil cylinder port A, the second hydraulic fluid port of the first control valve 42 42b oil inlet 46a, the oil-out 48b of the second check valve 48 respectively with overflow valve 46 and the second control valve 43 the first hydraulic fluid port 43a is connected, and the oil inlet 48a of the second check valve 48 is connected with fuel tank 45, the second hydraulic fluid port 43b and slippage pump of the second control valve 43 44 oil-out 44b connections, the oil inlet 44a of slippage pump 44 is connected with fuel tank 45.
Wherein, the oil inlet 41a of the first check valve 41 is connected with the first oil cylinder port A, the oil-out of the first check valve 41 41b is connected with fuel tank 45, and the hydraulic oil in rod chamber 13 can be flowed into by the first oil cylinder port A by the first check valve 41 In fuel tank 45, a draining oil circuit is formed.
Further, the control port 46c of overflow valve 46 is connected with the oil inlet 46a of overflow valve 46, by setting overflow Valve 46 can avoid during repairing hypertonia in rod chamber 13 and damage equipment.Preferably, the Opening pressure of overflow valve 46 is 10bar, can be prevented when hypertonia in rod chamber 13, sealing of the hydraulic oil in rod chamber 13 from cylinder body 11 and piston rod 12 Mouth is leaked out.
When realizing, connected between above-mentioned compensating cylinder 10, accumulator 30 and hydraulic system 40 by hydraulic oil pipe, liquid Pressuring oil pipe is lightweight, and is easy to practical operation to install.
In the present embodiment, the first control valve 42 and the second control valve 43 are in wave compensating device normal work Normally off.
Specifically, the first control valve 42 and the second control valve 43 are 2/2-way magnetic valve in the present embodiment, can be passed through It is powered and powers off the on off state of the first control valve 42 of control and the second control valve 43.
Further, the wave compensating device also includes control device, for controlling the first control valve 42 and the second control Valve 43.Specifically, control device can control the first control valve 42 and the second control valve 43 is turned on, and make slippage pump 44 from fuel tank 45 Repairing, now hydraulic oil hydraulic oil is sent into by rod chamber by the first hydraulic fluid port A by the first control valve 42 and the second control valve 43 In 13, active repairing oil circuit is formed.
Specifically, the control device can be repairing button.Repairing button is Instant-on push-button, presses connection, disconnection of upspringing, Repairing button need to be pressed always during repairing operation until repairing is completed.When implementing, repairing button can be pressed, makes first Control valve 42, which must be conducted, to be made it possible to allow hydraulic oil to flow into rod chamber 13, while the second control valve 43 is conducted, and The repairing of rod chamber 13 is given by slippage pump 44.When repairing is completed, repairing button, the first control valve 42 and the second control valve are unclamped 43 are disconnected, and now hydraulic oil can not be continued into rod chamber 13, stop repairing.The repairing time is by repairing flow and has bar The volume of chamber 13 is determined, requires that pressing the repairing button time is more than design minimum time during operation.Alternatively, control device can be with For controller.
Further, hydraulic system also includes oil pressure detection sensor 47, and oil pressure detection sensor 47 is located at the first control On the oil circuit that second hydraulic fluid port 42b of valve 42 is connected with the oil inlet of overflow valve, the pressure value for detecting hydraulic system oil circuit. In the present embodiment, because the first check valve is in parallel with the first control valve, institute's oil pressure detection sensor 47 is also located at the first check valve On the oil circuit that 41 oil-out 41b is connected with the oil inlet 46a of overflow valve 46.
Preferably, the wave compensating device also includes warning device, and the warning device is used to work as oil pressure detection sensor 47 When the pressure value detected reaches setting value, alarm is sent, the alarm is used to point out repairing to complete.The setting value, which can be equal to, overflows Flow the Opening pressure of valve 46.When realizing, the warning device can use the one or more in buzzer, display, indicator lamp. The warning device is additionally operable to when hydraulic system 40 stops repairing (such as when repairing button is upspring), stop alarm.
Further, if the pressure value that oil pressure detection sensor 47 is detected is reached after setting value, hydraulic system 40 is still Repairing operation is carried out, when the pressure value of the oil circuit of hydraulic system 40 is more than the Opening pressure of overflow valve 46, overflow valve 46 is opened, liquid Force feed maintains oil circuit pressure in its Opening pressure, warning device keeps alarm condition by the overflow of overflow valve 46.
Further, at the end of compensation of undulation, piston rod 12 presses to the bottom of cylinder body 11 by steel wire rope, now rod chamber 13 Interior holding 1bar negative pressure, can make hydraulic oil flow through the second check valve 48 from fuel tank 45, flow through the first control valve 42, into there is bar Chamber 13, forms passive repairing oil circuit.
It should be noted that the negative pressure due to maintaining 1bar in now rod chamber 13, equivalent to having 1bar in fuel tank 45 Go out oil pressure, and 1bar goes out oil pressure hydraulic oil can only be allowed to raise 10m, therefore when the wave compensating device is by passively mending When oil circuit carries out repairing, the difference in height of the first oil cylinder port A and fuel tank 45 need to be set smaller than 10 meters, it is passive when not needing When repairing oil circuit carries out repairing, then the difference in height of the first oil cylinder port A and fuel tank 45 can be set greater than 10 meters, now passively Repairing oil circuit can not carry out repairing operation.
Below by taking embodiment illustrated in fig. 2 as an example, the course of work of the wave compensating device of the present embodiment offer is simply introduced:
1. in make-up system replenishment operation interval (in the case of i.e. no goods lifting), wave compensating device does not work, Operated by repairing so that the piston rod 12 of compensating cylinder 10, which is located in the bottom of cylinder body 11, rod chamber 13, is full of hydraulic oil;
2. starting in make-up system and entering " preparing before operation " after the stage, hydraulic oil enters rodless cavity 14, promotes piston Bar 12 is moved, until the hydraulic oil that the piston rod 12 of compensating cylinder 10 is located in the top of cylinder body 11, rod chamber 13 is oily by draining Road draining, flows back to fuel tank 45;
3. in normal replenishment operation, the piston rod 12 of compensating cylinder 10 is compressed in working range, is done in cylinder body 11 Move back and forth, about 1bar negative pressure is kept in rod chamber 13;
4. after replenishment operation terminates, with tightening up for steel wire rope, the piston rod 12 of compensating cylinder 10 is depressed into cylinder body 11 About 1bar negative pressure is kept in bottom, rod chamber 13, rod chamber 13 is mended by passive repairing oil circuit or active repairing oil circuit Oil.
Wherein, when carrying out repairing operation to rod chamber 13, it can pass through simultaneously using the mode of active repairing and passive repairing Active repairing oil circuit and passive repairing oil circuit carry out repairing, accelerate repairing speed.
The embodiment of the present invention, as compensating cylinder, when seaborne supply system does not work, passes through benefit using two-way cylinder Oil circuit injects fluid into the rod chamber of compensating cylinder, so as to avoid the corrosion of rod chamber.The repairing oil circuit includes master Dynamic repairing oil circuit and passive repairing oil circuit, wherein, active repairing oil circuit includes the first control valve, the second control valve being sequentially connected And slippage pump, by controlling the first control valve, the second control valve and slippage pump, you can realize active repairing.By setting overflow Valve, can be prevented in active oil replenishing process, system oil pressure is excessive.Passive repairing oil circuit includes the second check valve and the first control Valve, in wave compensating device power cut-off, supplements hydraulic oil to rod chamber from fuel tank automatically.Meanwhile, it is connected to by setting The first check valve between first oil cylinder port and fuel tank, forms draining oil circuit, (needs to carry out in wave compensating device work Compensation of undulation) when, it is emitted into by the draining oil circuit in fuel tank.Also, the wave compensating device is simple in construction, with low cost, Application easy to spread.
In addition, the embodiment of the present invention additionally provides a kind of compensating cylinder hydraulic control system, its with above-mentioned compensation device Hydraulic system structure it is identical, the embodiment of the present invention will not be repeated here.
These are only presently preferred embodiments of the present invention, do not limit with the present invention, it is all the spirit and principles in the present invention it Interior, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (10)

1. a kind of wave compensating device, the wave compensating device includes compensating cylinder, pulley assembly, accumulator, the pulley Component includes second of the other end installed in the first pulley of one end of the compensating cylinder and installed in the compensating cylinder Pulley, it is characterised in that
The compensating cylinder includes cylinder body and the piston rod being arranged in the cylinder body, and the piston rod divides the cylinder interior It is divided on rod chamber and rodless cavity, the cylinder body and is provided with the first oil cylinder port and the second oil cylinder port, the first oil cylinder oil Mouth is connected with the rod chamber, and second oil cylinder port is connected with the rodless cavity;The accumulator and second oil cylinder Hydraulic fluid port is connected;
The wave compensating device also includes the hydraulic system that be connected with first oil cylinder port, and the hydraulic system includes the One check valve, the second check valve, the first control valve, the second control valve, overflow valve, slippage pump and fuel tank, first check valve Oil inlet connected with first oil cylinder port, the oil inlet of the oil-out of first check valve and the overflow valve connects Logical, the oil-out of the overflow valve is connected with the fuel tank, the first hydraulic fluid port of first control valve and first oil cylinder oil Mouthful connection, the second hydraulic fluid port of first control valve oil inlet respectively with the overflow valve, second check valve it is fuel-displaced Mouthful connected with the first hydraulic fluid port of second control valve, the oil inlet of second check valve is connected with the fuel tank, described the Second hydraulic fluid port of two control valves is connected with the oil-out of the slippage pump, and the oil inlet of the slippage pump is connected with the fuel tank.
2. compensation device according to claim 1, it is characterised in that first control valve and second control valve are equal For 2/2-way magnetic valve.
3. compensation device according to claim 1, it is characterised in that the Opening pressure of the overflow valve is 10bar.
4. the compensation device according to claim any one of 1-3, it is characterised in that the hydraulic system also includes oil pressure and examined Survey sensor, the oil pressure detection sensor located at the second hydraulic fluid port and the overflow valve of first control valve oil inlet it Between oil circuit on.
5. compensation device according to claim 4, it is characterised in that the compensation device also includes:
Control device, for controlling first control valve, second control valve and the slippage pump.
6. compensation device according to claim 4, it is characterised in that the compensation device also includes:For when the oil When the pressure value that pressure detection sensor is detected reaches setting value, the warning device of alarm is sent.
7. a kind of compensating cylinder hydraulic control system, it is characterised in that the compensating cylinder includes cylinder body and is arranged on the cylinder Piston rod in body, the cylinder interior is divided on rod chamber and rodless cavity, the cylinder body by the piston rod is provided with One oil cylinder port and the second oil cylinder port, first oil cylinder port are connected with the rod chamber, second oil cylinder port with The rodless cavity connection;
The compensating cylinder hydraulic control system include the first check valve, the second check valve, the first control valve, the second control valve, Overflow valve, slippage pump and fuel tank, the oil inlet of first check valve are connected with first oil cylinder port, and described first is unidirectional The oil-out of valve is connected with the oil inlet of the overflow valve, and the oil-out of the overflow valve is connected with the fuel tank, and described first First hydraulic fluid port of control valve is connected with first oil cylinder port, the second hydraulic fluid port of first control valve respectively with the overflow The oil inlet of valve, the oil-out of second check valve are connected with the first hydraulic fluid port of second control valve, and described second is unidirectional The oil inlet of valve is connected with the fuel tank, and the second hydraulic fluid port of second control valve is connected with the oil-out of the slippage pump, institute The oil inlet for stating slippage pump is connected with the fuel tank.
8. compensation device according to claim 7, it is characterised in that first control valve and second control valve are equal For 2/2-way magnetic valve.
9. compensation device according to claim 7, it is characterised in that the Opening pressure of the overflow valve is 10bar.
10. the compensation device according to claim any one of 7-9, it is characterised in that the hydraulic system also includes oil pressure Detection sensor, the oil pressure detection sensor is located at the second hydraulic fluid port of first control valve and the oil inlet of the overflow valve Between oil circuit on.
CN201710221596.1A 2017-04-06 2017-04-06 A kind of wave compensating device and its compensating cylinder hydraulic control system Active CN107191417B (en)

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CN201710221596.1A CN107191417B (en) 2017-04-06 2017-04-06 A kind of wave compensating device and its compensating cylinder hydraulic control system

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CN107191417B CN107191417B (en) 2018-12-14

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN108327855A (en) * 2018-01-17 2018-07-27 天津大学 Deep-sea buoyancy regulating system and its method
CN109139582A (en) * 2018-09-20 2019-01-04 南京工业职业技术学院 A kind of fitness equipment based on hydraulic system
CN109612673A (en) * 2018-12-29 2019-04-12 上海核工程研究设计院有限公司 A kind of high energy pipeline whipping simulation test bench device
CN109708837A (en) * 2018-12-29 2019-05-03 上海核工程研究设计院有限公司 A kind of high energy pipeline whipping simulation test bench system
CN110864014A (en) * 2019-11-29 2020-03-06 四川宝石机械钻采设备有限责任公司 Hydraulic power assisting system of quick connecting device of fracturing manifold sledge
CN112983900A (en) * 2021-02-20 2021-06-18 三一重型装备有限公司 Load port independent control hydraulic device and hydraulic experiment system
CN114109929A (en) * 2021-11-23 2022-03-01 山东大学 Integrated hydraulic conversion oil cylinder applied to wave power generation device and using method thereof

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CN108178082A (en) * 2017-11-14 2018-06-19 武汉船用机械有限责任公司 For the motor control valve group of active compensation of undulation
CN108178082B (en) * 2017-11-14 2019-11-15 武汉船用机械有限责任公司 Motor control valve group for active compensation of undulation
CN108327855A (en) * 2018-01-17 2018-07-27 天津大学 Deep-sea buoyancy regulating system and its method
CN109139582A (en) * 2018-09-20 2019-01-04 南京工业职业技术学院 A kind of fitness equipment based on hydraulic system
CN109612673A (en) * 2018-12-29 2019-04-12 上海核工程研究设计院有限公司 A kind of high energy pipeline whipping simulation test bench device
CN109708837A (en) * 2018-12-29 2019-05-03 上海核工程研究设计院有限公司 A kind of high energy pipeline whipping simulation test bench system
CN110864014A (en) * 2019-11-29 2020-03-06 四川宝石机械钻采设备有限责任公司 Hydraulic power assisting system of quick connecting device of fracturing manifold sledge
CN110864014B (en) * 2019-11-29 2021-08-13 四川宝石机械钻采设备有限责任公司 Hydraulic power assisting system of quick connecting device of fracturing manifold sledge
CN112983900A (en) * 2021-02-20 2021-06-18 三一重型装备有限公司 Load port independent control hydraulic device and hydraulic experiment system
CN114109929A (en) * 2021-11-23 2022-03-01 山东大学 Integrated hydraulic conversion oil cylinder applied to wave power generation device and using method thereof

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