CN207033868U - FPSO shipping rudder blade hydraulic Lock systems - Google Patents
FPSO shipping rudder blade hydraulic Lock systems Download PDFInfo
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- CN207033868U CN207033868U CN201720910870.1U CN201720910870U CN207033868U CN 207033868 U CN207033868 U CN 207033868U CN 201720910870 U CN201720910870 U CN 201720910870U CN 207033868 U CN207033868 U CN 207033868U
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Abstract
The utility model discloses a kind of FPSO shipping rudder blades hydraulic Lock system, including the first hydraulic control device and the first hydraulic power unit；First hydraulic control device includes the first ball valve being arranged in the first oil circuit, the second ball valve, the first hydraulic control lock assembly, the first hydraulic control oil circuit and the second hydraulic control oil circuit that are arranged in the second oil circuit；First hydraulic control lock assembly is connected via the first hydraulic control oil circuit with the first hydraulic jack, and is connected via the second hydraulic control oil circuit with the second hydraulic jack；First hydraulic control lock assembly withstands crosshead fork to locking when locking crosshead fork in the piston rod of the first hydraulic jack and the piston rod of the second hydraulic jack；First hydraulic power unit communicates via the first hydraulic control lock assembly with the first hydraulic control oil circuit and the second hydraulic control oil circuit.By the way that crosshead fork is locked in centre position, and then being locked for rudder blade is realized, effectively prevent hull instability problem caused by rudder blade swing.
Description
Technical field
Technical field of ships is the utility model is related to, more particularly to FPSO shipping rudder blade hydraulic Lock systems.
Background technology
Ultra large crude carrier (Very Large Crude Carrier, hereinafter referred to as VLCC), because its loading capacity is big, and by
Widely use.Steering wheel in VLCC is its crucial part, serves the effect in the navigation direction of control ship.Steering wheel in VLCC
Including the first hydraulic supply unit, the second hydraulic supply unit, the first hydraulic jack, the second hydraulic jack, the 3rd hydraulic jack,
4th hydraulic jack, crosshead fork, rudderpost and rudder blade.
The first hydraulic jack and the second hydraulic jack are set respectively in the both sides of one end of crosshead fork, pulled out in crosshead
The both sides of the other end of fork set the 3rd hydraulic jack and the 4th hydraulic jack respectively.From the work of the first hydraulic supply unit output
Make fluid and the first hydraulic jack and the second hydraulic jack are supplied to by the first oil circuit and the second oil circuit respectively, to drive the first liquid
The piston rod movement of compressing cylinder and the second hydraulic jack, and then act on one end end of crosshead fork；Supplied from the second hydraulic pressure
Work fluid to device output is supplied to the 3rd hydraulic jack and the 4th hydraulic pressure by the 3rd road binders pipe and the 4th oil pipe respectively
Oil cylinder, to drive the piston rod movement of the 3rd hydraulic jack and the 4th hydraulic jack, and then the another of crosshead fork is promoted back and forth
One end end, so that crosshead fork is in first hydraulic cylinder oil cylinder, second hydraulic cylinder oil cylinder, the 3rd hydraulic cylinder oil cylinder and the 4th
Rotated under the promotion of hydraulic cylinder oil cylinder, so as to drive rudderpost to rotate, rudderpost and then drive rudder blade swing, then the pendulum for passing through rudder blade
Move to control the course of ship.
In VLCC reequips FPSO, fixed floating state is in because FPSO enters the oil-producing region operation time phase, makes former ship
Rudder blade is changed into unnecessary additional " burden ", and impact and FPSO swing due to wave, exists between rudder blade and hull
Inevitable interaction force, the unstable of hull is easily caused, influence the life-span of hull.
Therefore, how to be handled for former rudder for ship leaf is an essential improvement project.In the prior art, using by rudder
The scheme that leaf is removed, this scheme, which needs to build, removes platform, it is necessary to which harbour hoisting door-hanging coordinates, it is necessary to expend substantial amounts of manpower
Material resources, it is very high to remove cost.
Utility model content
Based on this, the purpose of this utility model is, there is provided a kind of FPSO shipping rudder blades hydraulic Lock system, it has can
Rudder blade is locked, hull caused by effectively preventing rudder blade swing is unstable, extends the life-span of hull, improves operating efficiency, reduces
The advantages of cost.
The utility model is realized by following scheme：A kind of FPSO shipping rudder blades hydraulic Lock system, including first
Hydraulic control device and the first hydraulic power unit；First hydraulic control device includes the first ball valve, the second ball valve, first
Hydraulic control lock assembly, the first hydraulic control oil circuit and the second hydraulic control oil circuit；
First ball valve is arranged in the first oil circuit between the first hydraulic supply unit and the first hydraulic jack, with control
System whether by the first hydraulic supply unit to the first hydraulic jack supply work fluid；Second ball valve is arranged on the first liquid
Press in the second oil circuit between feedway and the second hydraulic jack, to control whether by the first hydraulic supply unit to first
Hydraulic jack supplies work fluid；The first hydraulic control lock assembly is via first hydraulic control oil circuit and the first hydraulic oil
Cylinder connects, and is connected via second hydraulic control oil circuit with the second hydraulic jack；The first hydraulic control lock assembly is
The piston rod of the piston rod of one hydraulic jack and the second hydraulic jack withstands crosshead fork to locking when locking crosshead fork；
First hydraulic power unit via the first hydraulic control lock assembly respectively with first hydraulic control oil circuit and described
Second hydraulic control oil circuit communicates.
Compared to prior art, the utility model makes the oil cylinder positioned at crosshead fork both sides by hydraulic Lock system
It is locked in pressure balance, so that crosshead fork is locked in centre position, and then realizes being locked for rudder blade, have
Hull instability problem caused by effect prevents rudder blade swing, extends the life-span of hull, improves operating efficiency, reduce into
This.
Further, the first hydraulic control lock assembly includes the 3rd ball valve, the first hydraulic control one-way valve, the 4th ball valve, the
Two hydraulic control one-way valves and the first reversal valve；
3rd ball valve and the first hydraulic control one-way valve are arranged in first hydraulic control oil circuit, the 4th ball valve
It is arranged on the second hydraulic control one-way valve in second hydraulic control oil circuit；First actuator port of first reversal valve is sequentially
Communicated via first hydraulic control one-way valve with the 3rd ball valve, the first actuator port of first reversal valve also sequentially passes through
Communicated by second hydraulic control one-way valve with the 4th ball valve；Second actuator port of first reversal valve is sequentially via institute
State the second hydraulic control one-way valve to communicate with the 4th ball valve, the second actuator port of first reversal valve is also sequentially via described
First hydraulic control one-way valve communicates with the 3rd ball valve；The pressure oil port and oil return opening of first reversal valve are respectively with described
One hydraulic power unit connects.
Further, the first hydraulic control lock assembly also includes the first energy storage canister and the second energy storage canister；In the first hydraulic pressure
The first energy storage branch road is additionally provided with the first oil circuit between feedway and the first hydraulic jack, is passed through on the first energy storage branch road
First energy storage canister is connected with by ball valve；On the second oil circuit between the first hydraulic supply unit and the second hydraulic jack also
Provided with the second energy storage branch road, second energy storage canister is connected with via ball valve on the second energy storage branch road.
Further, the first hydraulic control lock assembly also includes first pressure safety valve and second pressure safety valve；Institute
The oil return opening for stating the first reversal valve is also associated with two oil circuits, is connected on the first hydraulic pressure list via the first pressure safety valve all the way
To between valve and the 3rd ball valve, another way via the second pressure safety valve be connected on the second hydraulically-controlled one-way valve and the 4th ball valve it
Between.
Further, first hydraulic power unit includes the first hydraulic oil tank, the first oil screen, the first electric hydaulic
Pump, the first outlet line, the first return line, the first temperature sensor, the first liquid level sensor and the first controller；
First electric hydraulic pump extracts work fluid via first oil screen out of described first hydraulic oil tank,
And first hydraulic control device is transported to by first outlet line, the hydraulic control device passes through described again
Work fluid is transmitted back to first hydraulic oil tank by one return line；First temperature sensor is arranged on first liquid
Press oil in cabinet, and the temperature signal of detection is sent to first controller；First liquid level sensor is arranged on described
In first hydraulic oil tank, and the liquid level signal of detection is sent to first controller；First controller and described the
One electric hydaulic pump signal connects, and first controller automatically controls first control according to temperature signal and liquid level signal
The opening and closing of valve processed.
Further, it is additionally provided with the 3rd energy storage canister between first outlet line and first control valve；
First pressure table is additionally provided with first outlet line, the working oil of first hydraulic control device is transported to for measuring
The pressure of liquid, and pressure signal is sent to first controller.First outlet line and the first return line it
Between also connected by pipeline, and the 3rd pressure safety valve is provided with pipeline, first controller receives the first pressure
The pressure signal of table, and when pressure looked into permissible value, send signal and control the 3rd pressure safety valve to open progress pressure release.
Further, in addition to the second hydraulic control device and the second hydraulic power unit；The second hydraulic control dress
Put including the 5th ball valve, the 6th ball valve, the second hydraulic control lock assembly, the 3rd hydraulic control oil circuit and the 4th hydraulic control oil circuit；
5th ball valve is arranged in the second oil circuit between the second hydraulic supply unit and the 3rd hydraulic jack, with control
System whether by the second hydraulic supply unit to the 3rd hydraulic jack supply work fluid；6th ball valve is arranged on the second liquid
Press in the 4th oil circuit between feedway and the 4th hydraulic jack, to control whether by the second hydraulic supply unit to the 4th
Hydraulic jack supplies work fluid；The second hydraulic control lock assembly is via the 3rd hydraulic control oil circuit and the 3rd hydraulic oil
Cylinder connects, and is connected via the 4th hydraulic control oil circuit with the 4th hydraulic jack；The second hydraulic control lock assembly is
The piston rod of the piston rod of three hydraulic jacks and the 4th hydraulic jack withstands crosshead fork to locking when locking crosshead fork；
Second hydraulic power unit via the second hydraulic control lock assembly respectively with the 3rd hydraulic control oil circuit and described
4th hydraulic control oil circuit communicates.
Further, the second hydraulic control lock assembly includes the 7th ball valve, the 3rd hydraulic control one-way valve, the 8th ball valve, the
Four hydraulic control one-way valves and the second reversal valve；
7th ball valve and the 3rd hydraulic control one-way valve are arranged in the 3rd hydraulic control oil circuit, the 8th ball valve
Be arranged on the 4th hydraulic control one-way valve in the 4th hydraulic control oil circuit, and the second actuator port of second reversal valve according to
Sequence communicates via the 3rd hydraulic control one-way valve with the 7th ball valve, and the second actuator port of second reversal valve is also sequentially
Communicated via the 4th hydraulic control one-way valve with the 8th ball valve；4th actuator port of second reversal valve sequentially via
4th hydraulic control one-way valve communicates with the 8th ball valve, and the 4th actuator port of second reversal valve is also sequentially via institute
The 3rd hydraulic control one-way valve is stated to communicate with the 7th ball valve；The pressure oil port and oil return opening of second reversal valve respectively with it is described
Second hydraulic power unit connects.
Further, second hydraulic power unit includes the second hydraulic oil tank, the second oil screen, the second electric hydaulic
Pump, the second outlet line, the second return line, second temperature sensor, the second liquid level sensor and second controller；Described
Two electric hydraulic pumps extract work fluid via second oil screen out of described second hydraulic oil tank, and pass through described second
Outlet line is transported to second hydraulic control device；The second temperature sensor is arranged on second hydraulic oil tank
It is interior, and the temperature signal of detection is sent to the second controller；Second liquid level sensor is arranged on second liquid
Press oil in cabinet, and the liquid level signal of detection is sent to the second controller；The second controller and described second electronic
Hydraulic pressure pump signal connects；The second controller automatically controls opening for the 3rd control valve according to temperature signal and liquid level signal
Close.
Further, also connected in the first outlet line with the second outlet line by a fuel-displaced connecting pipeline, first
Return line and the second return line are also connected by an oil return connecting pipeline.
Compared to prior art, the utility model makes the oil cylinder positioned at crosshead fork both sides by hydraulic Lock system
It is locked in pressure balance, so that crosshead fork is locked in centre position, and then realizes being locked for rudder blade, have
Hull instability problem caused by effect prevents rudder blade swing, extends the life-span of hull, improves operating efficiency, reduce into
This.Further, by setting two groups of hydraulic power units standby each other, stable hydraulic pressure is provided for hydraulic Lock system
Power, it is ensured that the normal work of hydraulic Lock system.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of FPSO shipping rudder blade hydraulic Lock systems in the utility model embodiment.
Embodiment
Referring to Fig. 1, it is the structural representation of FPSO shipping rudder blade hydraulic Lock systems in the utility model embodiment.
The FPSO shipping rudder blade hydraulic Lock systems, including the first hydraulic control device 1, the first hydraulic power unit 2, the second hydraulic pressure control
The hydraulic power unit 4 of device 3 and second processed.
First hydraulic power unit 2 is via the hydraulic jack A of the first hydraulic control device 1 and first and the second liquid
Compressing cylinder B connections, and first hydraulic power unit 2 stops to the first hydraulic jack A and in the first hydraulic supply unit F
When two hydraulic jack B supply work fluid, work fluid is supplied to the first hydraulic jack A and the second hydraulic jack B, and first
Hydraulic jack A and the second hydraulic jack B piston rod withstand crosshead fork E to when locking crosshead fork E, stop to first
Hydraulic jack A and the second hydraulic jack B supply work fluid.Second hydraulic power unit 4 is via the second hydraulic pressure control
Device 3 processed is connected with the 3rd hydraulic jack C and the 4th hydraulic jack D, and second hydraulic power unit 4 supplies in the second hydraulic pressure
When stopping to device G to the 3rd hydraulic jack C and the 4th hydraulic jack D supply work fluid, to the 3rd hydraulic jack C and the 4th
Hydraulic jack D supplies work fluid, and withstands crosshead fork E in the 3rd hydraulic jack C and the 4th hydraulic jack D piston rod
During to locking crosshead fork E, also stop to the 3rd hydraulic jack C and the 4th hydraulic jack D supply work fluid.
First hydraulic control device 1 includes the first ball valve 11, the second ball valve 12, the first hydraulic control lock assembly 13, the
One hydraulic control oil circuit 14 and the second hydraulic control oil circuit 15.
First ball valve 11 is arranged in the first oil circuit between the first hydraulic supply unit F and the first hydraulic jack A,
To control whether to supply work fluid to the first hydraulic jack A by the first hydraulic supply unit F；Second ball valve 12 is set
In the second oil circuit between the first hydraulic supply unit F and the second hydraulic jack B, to control whether by the first hydraulic pressure supply
Device F supplies work fluid to the first hydraulic jack A；The first hydraulic control lock assembly 13 is via first hydraulic control oil
Road 14 is connected with the first hydraulic jack A, and is connected via second hydraulic control oil circuit 15 with the second hydraulic jack B；It is described
First hydraulic control lock assembly 13 locking when the first hydraulic jack A and the second hydraulic jack B are in demand position；First liquid
Press power apparatus 2 via the first hydraulic control lock assembly 13 respectively with first hydraulic control oil circuit 14 and second liquid
Voltage-controlled liquefaction road 15 communicates.
The first hydraulic control lock assembly 13 include the 3rd ball valve 131, the first hydraulic control one-way valve 132, the 4th ball valve 133,
Second hydraulic control one-way valve 134, the first reversal valve 135, first pressure safety valve 136, second pressure safety valve 137, the first energy storage
Tank 138, the second energy storage canister 139, the first stop valve 1310 and the second stop valve 1311.
3rd ball valve 131 and the first hydraulic control one-way valve 132 are arranged in first hydraulic control oil circuit 14, described
4th ball valve 133 and the second hydraulic control one-way valve 134 are arranged in second hydraulic control oil circuit 15, and first reversal valve
135 the first actuator port sequentially communicates via first hydraulic control one-way valve 132 with the 3rd ball valve 131, and described first
First actuator port of reversal valve 135 also sequentially communicates via second hydraulic control one-way valve 134 with the 4th ball valve 133.
Second actuator port of first reversal valve 135 is sequentially via second hydraulic control one-way valve 134 and the 4th ball valve 133
Communicate, the second actuator port of first reversal valve 135 is also sequentially via first hydraulic control one-way valve 132 and the described 3rd
Ball valve 131 communicates.The pressure oil port and oil return opening of first reversal valve 135 respectively with the phase of the first hydraulic power unit 2
Connect.Crosshead fork E is withstood in the first hydraulic jack A and the second hydraulic jack B piston rod, and makes the two of crosshead fork E
Side stress balance and it is fixed, and the reversal valve is in middle position, and then the first hydraulic control one-way valve 132 and the second liquid can be made
The control pressure of control check valve 134 is laid down immediately, so that the horse of 132 and second hydraulic control one-way valve of the first hydraulic control one-way valve 134
Upper closing, the first hydraulic jack A and the second oil cylinder is in lockup state, and then crosshead fork E lockings are fixed.
The oil return opening of first reversal valve 135 is also associated with two oil circuits, all the way via the first pressure safety valve
136 are connected between the first hydraulically-controlled one-way valve and the 3rd ball valve 131, and another way is connected on via the second pressure safety valve 137
Between two hydraulically-controlled one-way valves and the 4th ball valve 133.
The first energy storage branch road is additionally provided with the first oil circuit between the first hydraulic supply unit F and the first hydraulic jack A,
On the first energy storage branch road first energy storage canister 138 is connected with via ball valve；In the first hydraulic supply unit F and the second liquid
The second energy storage branch road is additionally provided with the second oil circuit between compressing cylinder B, on the second energy storage branch road via ball valve connection
State the second energy storage canister 139.Absorbed by the energy storage canister 139 of the first energy storage canister 138 and second due to sea beat rudder blade, hull
The big variation load of continuation caused by waving etc., ensure that lockable mechanism function is effective steadily in the long term.
First cut-off is additionally provided with the first oil circuit between the first hydraulic supply unit F and the first hydraulic jack A
Valve 1310, first stop valve 1310 are located at the input close to the first hydraulic jack A；The first hydraulic supply unit F with
Second stop valve 1311 is additionally provided with the second oil circuit between second hydraulic jack B, second stop valve 1311 is located at
Close to the second hydraulic jack B input.Pass through the control input first of 1310 and second stop valve of the first stop valve 1311
Hydraulic jack A and the second hydraulic jack B work fluid are in the range of two hydraulic jack normal works.
First hydraulic power unit 2 includes the first hydraulic oil tank 21, the first oil screen 22, the first electric hydraulic pump
23rd, the first outlet line 24, the first return line 25, the first temperature sensor 26, the first liquid level sensor 27, the first control valve
28th, the first controller 29, first emergent hand pump 210, the second control valve 211, the 3rd energy storage canister 212 and the 3rd pressure safety valve
213。
First electric hydraulic pump 23 extracts work via first oil screen 22 out of described first hydraulic oil tank 21
Make fluid, and first hydraulic control device 1 is transported to by first outlet line 24, the hydraulic control device is again
Work fluid is transmitted back to by first hydraulic oil tank 21 by first return line 25.First temperature sensor 26
It is arranged in first hydraulic oil tank 21, and the temperature signal of detection is sent to first controller 29.Described first
Liquid level sensor 27 is arranged in first hydraulic oil tank 21, and the liquid level signal of detection is sent into first controller
29.First controller 29 is connected with the signal of the first electric hydraulic pump 23；User manually operates the first controller
29, start the first electric hydraulic pump 23；First control valve 28 while the first controller 29 is always according to temperature signal and liquid level signal
The opening and closing of first control valve is automatically controlled, it is equal to flow through the temperature of the work fluid of the first electric hydraulic pump 23 and liquid level
In the range of the normal work of the first electric hydraulic pump 23.In one embodiment, first control valve 28 and described first
At the oil-out of electric hydraulic pump 23, by controlling the opening and closing of first control valve 28, so as to control the first electric hydraulic pump
Whether 23 is oily to the delivery hydraulic pressure of the first hydraulic control device 1 by first outlet line 24.
Described first emergent hand pump 210 also extracts via first oil screen 22 out of described first hydraulic oil tank 21
Work fluid, and is transported to by the control valve of the first outlet line 24 and first in first hydraulic control device 1.
Dead electricity only in the case of, can fast hydraulic pressure power by manually starting the first emergent hand pump 210, it is ensured that rudder blade locking machine
The normal use of structure.The 3rd energy storage canister 212 is additionally provided between first outlet line 24 and first control valve, is led to
The 3rd energy storage canister 212 storage hydraulic fluid is crossed, stabilization is played to pressure.In one embodiment, second control valve
211 with the oil-out of the described first emergent hand pump 210, by controlling the opening and closing of second control valve 211, so as to control
Whether the first emergent hand pump 210 is oily to the delivery hydraulic pressure of the first hydraulic control device 1 by first outlet line 24.
First pressure table 241 is additionally provided with first outlet line 24, first hydraulic pressure is transported to for measuring
The pressure of the work fluid of control device 1, and pressure signal is sent to first controller 29.In first flowline
Also connected between the return line 25 of road 24 and first by pipeline, and the 3rd pressure safety valve 213 is provided with pipeline, described
One controller 29 receives the pressure signal of the first pressure table 251, and when pressure looked into permissible value, sends signal control the
Three pressure safety valves 213, which are opened, carries out pressure release.
Second hydraulic control device 3 includes the 5th ball valve 31, the 6th ball valve 32, the second hydraulic control lock assembly 33, the
Three hydraulic control oil circuits 34 and the 4th hydraulic control oil circuit 35.
5th ball valve 31 is arranged in the second oil circuit between the second hydraulic supply unit G and the 3rd hydraulic jack C,
To control whether to supply work fluid to the 3rd hydraulic jack C by the second hydraulic supply unit G；6th ball valve 32 is set
In the 4th oil circuit between the second hydraulic supply unit G and the 4th hydraulic jack D, to control whether by the second hydraulic pressure supply
Device G supplies work fluid to the 4th hydraulic jack D；The second hydraulic control lock assembly 33 is via the 3rd hydraulic control oil
Road 34 is connected with the 3rd hydraulic jack C, and is connected via the 4th hydraulic control oil circuit 35 with the 4th hydraulic jack D；It is described
Second hydraulic control lock assembly 33 withstands crosshead and pulled out in the 3rd hydraulic jack C piston rod and the 4th hydraulic jack D piston rod
Locking during fork to locking crosshead fork；Second hydraulic power unit 4 is distinguished via the second hydraulic control lock assembly 33
Communicated with the 3rd hydraulic control oil circuit 34 and the 4th hydraulic control oil circuit 35.
The second hydraulic control lock assembly 33 include the 7th ball valve 331, the 3rd hydraulic control one-way valve 332, the 8th ball valve 333,
4th hydraulic control one-way valve 334, the second reversal valve 335, the 4th pressure safety valve 336, the 5th pressure safety valve 337, the 4th energy storage
Tank 338, the 5th energy storage canister 339, the 3rd stop valve 3310 and the 4th stop valve 3311.
7th ball valve 331 and the 3rd hydraulic control one-way valve 332 are arranged in the 3rd hydraulic control oil circuit 34, described
8th ball valve 333 and the 4th hydraulic control one-way valve 334 are arranged in the 4th hydraulic control oil circuit 35, and second reversal valve
335 the second actuator port sequentially communicates via the 3rd hydraulic control one-way valve 332 with the 7th ball valve 331, and described second
Second actuator port of reversal valve 335 also sequentially communicates via the 4th hydraulic control one-way valve 334 with the 8th ball valve 333.
4th actuator port of second reversal valve 335 is sequentially via the 4th hydraulic control one-way valve 334 and the 8th ball valve 333
Communicate, the 4th actuator port of second reversal valve 335 is also sequentially via the 3rd hydraulic control one-way valve 332 and the described 7th
Ball valve 331 communicates.The pressure oil port and oil return opening of second reversal valve 335 respectively with the phase of the second hydraulic power unit 4
Connect.Crosshead fork E is withstood in the 3rd hydraulic jack C and the 4th hydraulic jack D piston rod, and makes the two of crosshead fork E
Side stress balance and it is fixed, now, the reversal valve is in middle position, and then the 3rd hydraulic control one-way valve 332 and can be made
The control pressure of four hydraulic control one-way valves 334 is laid down immediately, so that the 3rd hydraulic control one-way valve 332 and the 4th hydraulic control one-way valve
334 close at once, the 3rd hydraulic jack C and the 4th oil cylinder is in lockup state, and then crosshead fork E lockings are fixed.
The oil return opening of second reversal valve 335 is also associated with two oil circuits, all the way via the 4th pressure safety valve
336 are connected between the 3rd hydraulically-controlled one-way valve and the 7th ball valve 331, and another way is connected on via the 5th pressure safety valve 337
Between four hydraulically-controlled one-way valves and the 8th ball valve 333.
The 3rd energy storage branch road is additionally provided with the second oil circuit between the second hydraulic supply unit G and the 3rd hydraulic jack C,
On the 3rd energy storage branch road the 4th energy storage canister 338 is connected with via ball valve；In the second hydraulic supply unit G and the 4th liquid
The 4th energy storage branch road is additionally provided with the 4th oil circuit between compressing cylinder D, on the 4th energy storage branch road via ball valve connection
State the 5th energy storage canister 339.Absorbed by the 4th energy storage canister 338 and the 5th energy storage canister 339 due to sea beat rudder blade, hull
The big variation load of continuation caused by waving etc., ensure that lockable mechanism function is effective steadily in the long term.
The 3rd cut-off is additionally provided with the second oil circuit between the second hydraulic supply unit G and the 3rd hydraulic jack C
Valve 3310, the 3rd stop valve 3310 are located at the input close to the 3rd hydraulic jack C；The second hydraulic supply unit G with
The 4th stop valve 3311 is additionally provided with the 4th oil circuit between 4th hydraulic jack D, the 4th stop valve 3311 is located at
Close to the 4th hydraulic jack D input.Pass through the 3rd stop valve 3310 and the control input the 3rd of the 4th stop valve 3311
Hydraulic jack C and the 4th hydraulic jack D work fluid are in the range of two hydraulic jack normal works.
Second hydraulic power unit 4 includes the second hydraulic oil tank 41, the second oil screen 42, the second electric hydraulic pump
43rd, the second outlet line 44, the second return line 45, second temperature sensor 46, the second liquid level sensor 47, the 3rd control valve
48th, second controller 49, second emergent hand pump 410, the 4th control valve 411, the 6th energy storage canister 412 and the 6th pressure safety valve
413。
Second electric hydraulic pump 43 extracts work via second oil screen 42 out of described second hydraulic oil tank 41
Make fluid, and second hydraulic control device 3 is transported to by second outlet line 44, the hydraulic control device is again
Work fluid is transmitted back to by second hydraulic oil tank 41 by second return line 45.The second temperature sensor 46
It is arranged in second hydraulic oil tank 41, and the temperature signal of detection is sent to the second controller 49.Described second
Liquid level sensor 47 is arranged in second hydraulic oil tank 41, and the liquid level signal of detection is sent into the second controller
49.The second controller 49 is connected with the signal of the second electric hydraulic pump 43；User manually operates second controller
49, start the second electric hydraulic pump 43；Second controller 49 automatically controls described always according to temperature signal and liquid level signal simultaneously
The opening and closing of 3rd control valve 48, it is electronic second to flow through the temperature of the work fluid of the second electric hydraulic pump 43 and liquid level
In the range of the normal work of hydraulic pump 43.In one embodiment, the 3rd control valve 48 and second electric hydraulic pump
At 43 oil-out, by controlling the opening and closing of the 3rd control valve 48, so as to control whether the second electric hydraulic pump 43 passes through
Second outlet line 44 is oily to the delivery hydraulic pressure of the second hydraulic control device 3.
Described second emergent hand pump 410 also extracts via second oil screen 42 out of described second hydraulic oil tank 41
Work fluid, and is transported to by the control valve 48 of the second outlet line 44 and the 3rd in second hydraulic control device 3.
Dead electricity only in the case of, can fast hydraulic pressure power by manually starting emergent hand pump, it is ensured that rudder blade lockable mechanism is just
Often use.The 6th energy storage canister 412 is additionally provided between second outlet line 44 and the 3rd control valve 48, passes through
Six energy storage canisters 412 store hydraulic fluid, and stabilization is played to pressure.In one embodiment, the 3rd control valve 48 with
At the oil-out of described second emergent hand pump 410, by controlling the opening and closing of the 3rd control valve 48, so as to control second to answer
Whether anxious hand pump 410 is oily to the delivery hydraulic pressure of the second hydraulic control device 3 by second outlet line 44.
Second pressure gauge is additionally provided with second outlet line 44, second hydraulic control is transported to for measuring
The pressure of the work fluid of device 3, and pressure signal is sent to the second controller 49.In second outlet line 44
And second also connected by pipeline between return line 45, and the 6th pressure safety valve 413 is provided with pipeline, second control
Device 49 processed receives the pressure signal of the second pressure gauge, and when pressure looked into permissible value, sends signal and control the 6th pressure
Safety valve 413, which is opened, carries out pressure release.
In one embodiment, also connected in the first outlet line 24 and the second outlet line 44 by a fuel-displaced connecting pipeline
Logical 5,6 also are connected by an oil return connecting pipeline with the second return line 45 in the first return line 25, and then make the first hydraulic pressure
The hydraulic power unit 4 of power set 2 and second can be that the first hydraulic control device 1 provides power, while also make the first liquid
It can be that the second hydraulic control device 3 provides power to press the hydraulic power unit 4 of power apparatus 2 and second, move the first hydraulic pressure
The hydraulic power unit 4 of power apparatus 2 and second turns into power supplying apparatus standby each other.
When ship's navigation, the first ball valve 11, the second ball valve 12, the 5th ball valve 31 and the 6th ball valve 32 are opened, by original
First hydraulic supply unit F of steering wheel provides power for the first hydraulic jack A and the second hydraulic jack B, by the second of former steering wheel
Hydraulic supply unit G provides power for the 3rd hydraulic jack C and the 4th hydraulic jack D, and then promotes crosshead fork E back and forth,
So as to promote the crosshead shift fork of steering wheel to rotate, crosshead shift fork drives rudderpost to rotate again, rudderpost and then drive rudder blade swing, leads to
The swing for crossing rudder blade controls the course of ship.
When ship reaches oil-producing region, the first ball valve 11, the second ball valve 12, the 5th ball valve 31 and the 6th ball valve 32 are closed
Close, while the 3rd ball valve 131, the 4th ball valve 133, the 7th ball valve 331 and the 8th ball valve 333 are opened, moved by the first hydraulic pressure
Power apparatus 2 provides power for the first hydraulic jack A and the second hydraulic jack B, is the 3rd hydraulic pressure by the second hydraulic power unit 4
Oil cylinder C and the 4th hydraulic jack D provides power.Crosshead is withstood in the first hydraulic jack A and the second hydraulic jack B piston rod
Fork E, and make the both sides stress balance of crosshead fork E one end and fixed, now, make at first reversal valve 135
In middle position, and then the first hydraulic control one-way valve 132 and the control pressure of the second hydraulic control one-way valve 134 can be made to lay down immediately, so that
The hydraulic control one-way valve 134 of first hydraulic control one-way valve 132 and second is closed at once, is in the first hydraulic jack A and the second oil cylinder
Lockup state；Crosshead fork E is withstood in the 3rd hydraulic jack C and the 4th hydraulic jack D piston rod simultaneously, and makes crosshead
The both sides stress balance of fork E one end and it is fixed, now, second reversal valve 335 is in middle position, and then can be made
The control pressure of three hydraulic control one-way valves 332 and the 4th hydraulic control one-way valve 334 is laid down immediately, so that the 3rd hydraulic control one-way valve
332 and the 4th hydraulic control one-way valve 334 close at once, make the 3rd hydraulic jack C and the 4th oil cylinder be in lockup state, and then by ten
Prefix fork E lockings are fixed.
Compared to prior art, the utility model makes the oil cylinder positioned at crosshead fork both sides by hydraulic Lock system
It is locked in pressure balance, so that crosshead fork is locked in centre position, and then realizes being locked for rudder blade, have
Hull instability problem caused by effect prevents rudder blade swing, extends the life-span of hull, improves operating efficiency, reduce into
This.Further, by setting two groups of hydraulic power units standby each other, stable hydraulic pressure is provided for hydraulic Lock system
Power, it is ensured that the normal work of hydraulic Lock system.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.
Claims (10)
- A kind of 1. FPSO shipping rudder blades hydraulic Lock system, it is characterised in that：Including the first hydraulic control device and the first hydraulic pressure Power set；First hydraulic control device includes the first ball valve, the second ball valve, the first hydraulic control lock assembly, the first hydraulic pressure Control oil circuit and the second hydraulic control oil circuit；First ball valve is arranged in the first oil circuit between the first hydraulic supply unit and the first hydraulic jack, is with control It is no that work fluid is supplied to the first hydraulic jack by the first hydraulic supply unit；Second ball valve is arranged on the confession of the first hydraulic pressure To in the second oil circuit between device and the second hydraulic jack, to control whether by the first hydraulic supply unit to the first hydraulic pressure Oil cylinder supplies work fluid；The first hydraulic control lock assembly connects via first hydraulic control oil circuit and the first hydraulic jack Connect, and be connected via second hydraulic control oil circuit with the second hydraulic jack；The first hydraulic control lock assembly is in the first liquid The piston rod of the piston rod of compressing cylinder and the second hydraulic jack withstands crosshead fork to locking when locking crosshead fork；It is described First hydraulic power unit via the first hydraulic control lock assembly respectively with first hydraulic control oil circuit and described second Hydraulic control oil circuit communicates.
- 2. FPSO shipping rudder blades hydraulic Lock system according to claim 1, it is characterised in that：The first hydraulic control locking Component includes the 3rd ball valve, the first hydraulic control one-way valve, the 4th ball valve, the second hydraulic control one-way valve and the first reversal valve；3rd ball valve and the first hydraulic control one-way valve are arranged in first hydraulic control oil circuit, the 4th ball valve and Two hydraulic control one-way valves are arranged in second hydraulic control oil circuit；First actuator port of first reversal valve sequentially via First hydraulic control one-way valve communicates with the 3rd ball valve, and the first actuator port of first reversal valve is also sequentially via institute The second hydraulic control one-way valve is stated to communicate with the 4th ball valve；Second actuator port of first reversal valve is sequentially via described Two hydraulic control one-way valves communicate with the 4th ball valve, and the second actuator port of first reversal valve is also sequentially via described first Hydraulic control one-way valve communicates with the 3rd ball valve；The pressure oil port and oil return opening of first reversal valve respectively with first liquid Power apparatus is pressed to connect.
- 3. FPSO shipping rudder blades hydraulic Lock system according to claim 2, it is characterised in that：The first hydraulic control locking Component also includes the first energy storage canister and the second energy storage canister；The first oil between the first hydraulic supply unit and the first hydraulic jack The first energy storage branch road is additionally provided with road, first energy storage canister is connected with via ball valve on the first energy storage branch road；First The second energy storage branch road is additionally provided with the second oil circuit between hydraulic supply unit and the second hydraulic jack, in the second energy storage branch road On via ball valve be connected with second energy storage canister.
- 4. FPSO shipping rudder blades hydraulic Lock system according to claim 2, it is characterised in that：The first hydraulic control locking Component also includes first pressure safety valve and second pressure safety valve；The oil return opening of first reversal valve is also associated with two oil Road, it is connected on all the way via the first pressure safety valve between the first hydraulically-controlled one-way valve and the 3rd ball valve, another way is via described Second pressure safety valve is connected between the second hydraulically-controlled one-way valve and the 4th ball valve.
- 5. FPSO shipping rudder blades hydraulic Lock system according to claim 2, it is characterised in that：First hydraulic pressure moves Power apparatus includes the first hydraulic oil tank, the first oil screen, the first electric hydraulic pump, the first outlet line, the first return line, the One temperature sensor, the first liquid level sensor and the first controller；First electric hydraulic pump extracts work fluid via first oil screen out of described first hydraulic oil tank, and leads to Cross first outlet line and be transported to first hydraulic control device, the hydraulic control device passes through described first time again Work fluid is transmitted back to first hydraulic oil tank by oil pipe line；First temperature sensor is arranged on first hydraulic oil In cabinet, and the temperature signal of detection is sent to first controller；First liquid level sensor is arranged on described first In hydraulic oil tank, and the liquid level signal of detection is sent to first controller；First controller and the described first electricity Hydrodynamic pressure pump signal connects, and first controller automatically controls first control valve according to temperature signal and liquid level signal Opening and closing.
- 6. FPSO shipping rudder blades hydraulic Lock system according to claim 5, it is characterised in that：In first flowline The 3rd energy storage canister is additionally provided between road and first control valve；First pressure is additionally provided with first outlet line Table, the pressure of the work fluid of first hydraulic control device is transported to for measuring, and pressure signal is sent to described First controller；Also connected by pipeline between first outlet line and the first return line, and be provided with pipeline 3rd pressure safety valve, first controller receive the pressure signal of the first pressure table, and look into permissible value in pressure When, send signal and control the 3rd pressure safety valve to open progress pressure release.
- 7. FPSO shipping rudder blades hydraulic Lock system according to claim 5, it is characterised in that：Also include the second hydraulic pressure control Device processed and the second hydraulic power unit；Second hydraulic control device includes the 5th ball valve, the 6th ball valve, the second hydraulic control lock Only component, the 3rd hydraulic control oil circuit and the 4th hydraulic control oil circuit；5th ball valve is arranged in the second oil circuit between the second hydraulic supply unit and the 3rd hydraulic jack, is with control It is no that work fluid is supplied to the 3rd hydraulic jack by the second hydraulic supply unit；6th ball valve is arranged on the confession of the second hydraulic pressure To in the 4th oil circuit between device and the 4th hydraulic jack, to control whether by the second hydraulic supply unit to the 4th hydraulic pressure Oil cylinder supplies work fluid；The second hydraulic control lock assembly connects via the 3rd hydraulic control oil circuit and the 3rd hydraulic jack Connect, and be connected via the 4th hydraulic control oil circuit with the 4th hydraulic jack；The second hydraulic control lock assembly is in the 3rd liquid The piston rod of the piston rod of compressing cylinder and the 4th hydraulic jack withstands crosshead fork to locking when locking crosshead fork；It is described Second hydraulic power unit via the second hydraulic control lock assembly respectively with the 3rd hydraulic control oil circuit and the described 4th Hydraulic control oil circuit communicates.
- 8. FPSO shipping rudder blades hydraulic Lock system according to claim 7, it is characterised in that：The second hydraulic control locking Component includes the 7th ball valve, the 3rd hydraulic control one-way valve, the 8th ball valve, the 4th hydraulic control one-way valve and the second reversal valve；7th ball valve and the 3rd hydraulic control one-way valve are arranged in the 3rd hydraulic control oil circuit, the 8th ball valve and Four hydraulic control one-way valves are arranged in the 4th hydraulic control oil circuit, and the second actuator port of second reversal valve sequentially passes through Communicated by the 3rd hydraulic control one-way valve with the 7th ball valve, the second actuator port of second reversal valve also sequentially via 4th hydraulic control one-way valve communicates with the 8th ball valve；4th actuator port of second reversal valve is sequentially via described 4th hydraulic control one-way valve communicates with the 8th ball valve, and the 4th actuator port of second reversal valve is also sequentially via described 3rd hydraulic control one-way valve communicates with the 7th ball valve；The pressure oil port and oil return opening of second reversal valve are respectively with described Two hydraulic power units connect.
- 9. FPSO shipping rudder blades hydraulic Lock system according to claim 7, it is characterised in that：Second hydraulic power Device includes the second hydraulic oil tank, the second oil screen, the second electric hydraulic pump, the second outlet line, the second return line, second Temperature sensor, the second liquid level sensor, the 3rd control valve and second controller；Second electric hydraulic pump is via described Two oil screens extract work fluid out of described second hydraulic oil tank, and are transported to described second by second outlet line Hydraulic control device；The second temperature sensor is arranged in second hydraulic oil tank, and the temperature signal of detection is passed It is sent to the second controller；Second liquid level sensor is arranged in second hydraulic oil tank, and by the liquid level of detection Signal is sent to the second controller；The second controller is connected with the second electric hydaulic pump signal；Described second Controller automatically controls the opening and closing of the 3rd control valve according to temperature signal and liquid level signal.
- 10. FPSO shipping rudder blades hydraulic Lock system according to claim 9, it is characterised in that：In the first outlet line Also connected by a fuel-displaced connecting pipeline with the second outlet line, also passed through one time in the first return line and the second return line Oily connecting pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910870.1U CN207033868U (en) | 2017-07-25 | 2017-07-25 | FPSO shipping rudder blade hydraulic Lock systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910870.1U CN207033868U (en) | 2017-07-25 | 2017-07-25 | FPSO shipping rudder blade hydraulic Lock systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033868U true CN207033868U (en) | 2018-02-23 |
Family
ID=61462621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720910870.1U Withdrawn - After Issue CN207033868U (en) | 2017-07-25 | 2017-07-25 | FPSO shipping rudder blade hydraulic Lock systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269608A (en) * | 2017-07-25 | 2017-10-20 | 广州中船文冲船坞有限公司 | FPSO shipping rudder blade hydraulic Lock systems |
-
2017
- 2017-07-25 CN CN201720910870.1U patent/CN207033868U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269608A (en) * | 2017-07-25 | 2017-10-20 | 广州中船文冲船坞有限公司 | FPSO shipping rudder blade hydraulic Lock systems |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20181016 |
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| AV01 | Patent right actively abandoned |