CN107339268B - A kind of control of gangway ladder and drive system and its method - Google Patents
A kind of control of gangway ladder and drive system and its method Download PDFInfo
- Publication number
- CN107339268B CN107339268B CN201710758640.2A CN201710758640A CN107339268B CN 107339268 B CN107339268 B CN 107339268B CN 201710758640 A CN201710758640 A CN 201710758640A CN 107339268 B CN107339268 B CN 107339268B
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- gangway ladder
- ladder
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 230000004308 accommodation Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Ladders (AREA)
Abstract
The present invention discloses a kind of control of gangway ladder and drive system and method, including power motor, turns over ladder device by driving forward or reverse gangway ladder is packed up or put down；Valve is manipulated, for controlling power motor forward or reverse, manipulates setting control and driving circuit between valve and power motor；Control valve, control valve is arranged in power motor and manipulates in the control and driving circuit between valve, for controlling access or the open circuit of control and driving circuit, when gangway ladder is packed up in place, gangway ladder squeezes the valve rod of control valve, so that control valve work truncation control and driving circuit, so that power motor stops working immediately, change the valve position of control valve by the valve rod that the gangway ladder during packing up in place squeezes control valve, and then it controls control valve and blocks the working media conveying loop of power motor, so that gangway ladder is packed up in power motor stopping, prevent power motor from packing up the cable wire for continuing to rotation tightening afterwards in place and connecting with gangway ladder in gangway ladder, the structure of cable wire or gangway ladder is caused to damage.
Description
Technical field
The present invention relates to technical field of ships more particularly to a kind of control of gangway ladder and drive system and methods.
Background technique
Accommodation ladder system is the key facility for climbing up or leaving ship for personnel, its reliability is directly related to crewman and trip
The personal safety of visitor.Accommodation ladder system mainly by gangway ladder, turn over ladder device, gangway ladder control and collect clamp device with drive system and gangway ladder
Deng composition, gangway ladder goes the tightening of control gangway ladder by operator when packing up according to the observation and judgement of gangway ladder seated position, when
Operator occur error in judgement or to the control of operation handle not in time, gangway ladder can be made to have continued the control to gangway ladder afterwards in place
Cable wire processed is tensed, and this receipts ladder operation excessively tensed can cause certain damage, this damage to gangway ladder structure and cable wire
The service life that gently can then make the structure of gangway ladder generate stress fatigue influence gangway ladder of accumulating over a long period of wound；It is heavy then hanging ladder cable wire can be made
Inside generates damage inconspicuous or causes cable wire interior section steel wire fracture, buries serious security risk.
Summary of the invention
It is an object of the present invention to: a kind of control of gangway ladder and drive system are provided, can guarantee that gangway ladder is being packed up
When gangway ladder cable wire will not excessively be tightened.
It is another object of the present invention to: a kind of control of gangway ladder and driving method are provided, retractable operation is more accurate,
It can guarantee that the cable wire of gangway ladder gangway ladder when packing up will not be tightened excessively.
To achieve this purpose, the present invention adopts the following technical scheme:
On the one hand, a kind of control of gangway ladder and drive system are provided, comprising:
Power motor turns over ladder device gangway ladder is packed up or put down by driving forward or reverse；
Valve is manipulated, the inflow and outflow direction for controlling working media realize the power motor forward or reverse, institute
State setting control and driving circuit between manipulation valve and the power motor；
Control valve, the control valve are arranged in the control between the power motor and the manipulation valve and drive back
On the road, for controlling access or open circuit of the control with driving circuit, when the gangway ladder is packed up in place, the gangway ladder is squeezed
The valve rod of the control valve is pressed, so that the control and driving circuit is truncated in control valve work, so that the power motor
It stops working immediately.
As a kind of perferred technical scheme, the control includes the first circuit and second servo loop with driving circuit, described
The one end in the first circuit is connect with the driven valve, and the other end is connected to the receipts ladder driving interface of the power motor, and described
One end of secondary circuit is connect with the driven valve, and the other end is connected to the terraced driving interface of putting of the power motor, the control
Valve is arranged on first circuit, for controlling access or the open circuit in first circuit.
As a kind of perferred technical scheme, the control valve has been arranged in parallel a check valve, and the check valve limits institute
It states working media and can only return to manipulation valve realization through it from the power motor and the gangway ladder is put down, and can not be from institute
It states manipulation valve and the gangway ladder is packed up into power motor realization through it.
As a kind of perferred technical scheme, the manipulation valve be three position four-way directional control valve, have pack up position, close stance and
Put down the position of position three.
As a kind of perferred technical scheme, the control valve is bi-bit bi-pass reversal valve, has the first working position, second
The valve rod of working position, the first connector and the second connector, the control valve can be used for the gangway ladder selective exposure
Change the position of the spool of the control valve.
As a kind of perferred technical scheme, the spool is located at described first when the valve rod is not contacted with the gangway ladder
Working position, first connector and second connector are in connected state.
As a kind of perferred technical scheme, the spool is located at second work when valve rod and the gangway ladder contact
Make position, first connector is in an off state with second connector.
As a kind of perferred technical scheme, further include for steam and impurity in filtering compressed air filter, use
In the pressure gauge of the pressure of signal piping and for increasing atomization oil and gas to compressed air to lubricate the mist of oil of the power motor
Device.
On the other hand, a kind of control of gangway ladder and driving method, when receiving ladder, starting manipulation valve, the rotation of control power motor with
Drive turns over ladder device and packs up gangway ladder, and control valve is touched when gangway ladder is packed up in place, and control valve blocks the control and driving of power motor
Circuit, so that power motor stopping drive turning over ladder device and packs up gangway ladder.
As a kind of perferred technical scheme, specifically includes the following steps:
S1, starting manipulation valve, so that the spool of manipulation valve, which is located at, packs up position, working media enters control by manipulating valve
With driving circuit；
S2, working media are connect by control and the first circuit of driving circuit from the driving of the receipts ladder of power motor by manipulation valve
Mouth is entered in power motor and is driven to power motor；
S3, working media enter the second servo loop of control and driving circuit and return to behaviour from the terraced driving interface of putting of power motor
Vertical valve forms complete circuit, and power motor rotation drive turns over ladder device and packs up gangway ladder；
S4, gangway ladder pack up the valve rod for squeezing control valve in place, so that the first interface of control valve and second interface are in disconnected
Open state blocks the first circuit to make working media that can not reach the terraced driving interface of power motor receipts and drives to it, power
Motor stops operating.
The invention has the benefit that changing control valve by the valve rod that the gangway ladder during packing up in place squeezes control valve
Valve position, and then control control valve and block the medium conveying loop of power motor, so that power motor stops the receipts to gangway ladder
It rises, prevents power motor from packing up in gangway ladder and continue to the cable wire that connect with gangway ladder of rotation tightening afterwards in place, to cable wire or gangway ladder
Structure causes to damage, influence gangway ladder using safe and service life.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is that gangway ladder described in embodiment controls the status diagram being in when packing up in place with the gangway ladder of drive system.
Fig. 2 is that the control of gangway ladder described in embodiment and the gangway ladder of drive system carry out putting terraced operation when being in and packing up state in place
Status diagram.
Fig. 3 is that gangway ladder described in embodiment controls the state for being in the gangway ladder of drive system and carrying out terraced operation when down state
Schematic diagram.
Fig. 4 is that the control of gangway ladder described in embodiment and drive system use schematic diagram of the hydraulic oil as working media when.
Fig. 5 is the status diagram that gangway ladder described in embodiment is located at extended position.
Fig. 6 is the status diagram that gangway ladder described in embodiment is located at stowed position.
Fig. 7 is the enlarged diagram in Fig. 5 at I.
Fig. 8 is the enlarged diagram in Fig. 6 at II.
In figure:
1, power motor；2, gangway ladder；3, valve is manipulated；4, control valve；41, valve rod；5, check valve；6, filter；7, pressure gauge；
8, oil sprayer；9, master switch；10, the first circuit；11, second servo loop；12, terraced driving interface is received；13, terraced driving interface is put.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 1~8, in this present embodiment, a kind of gangway ladder control of the present invention and drive system, comprising:
Power motor 1 turns over ladder device gangway ladder 2 is packed up or put down by driving forward or reverse；
Valve 3 is manipulated, the rotating forward or anti-of the power motor 1 is realized in the inflow and outflow direction for controlling working media
Turn, setting control and driving circuit between the manipulation valve 3 and the power motor 1；
Control valve 4, the control valve 4 are arranged in the control between the power motor 1 and the manipulation valve 3 and drive
On dynamic circuit, for controlling the control and driving circuit access or open circuit, the gangway ladder when the gangway ladder 2 is packed up in place
2 squeeze the valve rod 41 of the control valve 4, so that the control valve 4 drives the control valve 4 to work, institute is truncated in the control valve 4
Control and driving circuit are stated, so that the power motor 1 stops working immediately.The power motor 1 is for hydraulic motor or pneumatically
Motor.
Change turning for power motor 1 by the input and output direction that manipulation valve 3 controls the working media of power motor 1
To realization packing up and putting down to gangway ladder 2.Change control by the valve rod 41 that the gangway ladder 2 during packing up in place squeezes control valve 4
The valve position of valve 4 processed, and then control control valve 4 and block the control of power motor 1 and driving circuit, so that power motor 1 stops
To packing up for gangway ladder 2, prevent power motor 1 from packing up the cable wire for continuing to rotation tightening afterwards in place and connecting with gangway ladder 2 in gangway ladder 2,
The structure of cable wire or gangway ladder 2 is caused to damage, influence gangway ladder 2 using safe and service life.
Specifically, the control includes the first circuit 10 and second servo loop 11 with driving circuit, first circuit 10
One end is connect with the manipulation valve 3, and the other end is connected to the receipts ladder driving interface 12 of the power motor 1, the second servo loop
11 one end is connect with the driven valve, and the other end is connected to the terraced driving interface 13 of putting of the power motor 1, the control valve
4 are arranged on first circuit 10, for controlling access or the open circuit in first circuit 10.
Preferably, the control valve 4 has been arranged in parallel a check valve 5, and the check valve 5 limits the working media can only
The manipulation valve 3 is returned through it from the power motor 1 and realizes putting down to the gangway ladder 2, and can not be passed through from the manipulation valve 3
It enters the power motor 1 and realizes packing up to the gangway ladder 2.
The setting of check valve 5 can guarantee that the work for leading to manipulation 3 direction of valve from the terraced driving interface 12 of receipts of power motor 1 is situated between
Matter return line remains connection, avoids the working media return pipe of the power motor 1 when control valve 4 is in close state
The phenomenon that road is blocked, and can not be put down after causing gangway ladder 2 to pack up in place appearance；It is can ensure that simultaneously from manipulation valve 3 and leads to power horse
Working media up to 1 12 direction of the terraced driving interface of receipts can not pass through always from check valve 5, it is ensured that the control and driving of the direction
The connection in circuit or off-state are determined by the switch state of control valve 4 completely.
In a specific embodiment, a kind of gangway ladder control uses compressed air as working media with drive system
Realize driving and control.
Specifically, the power motor 1 is air motor.Compressed air is driven from the receipts ladder of air motor in the present embodiment
Mobile interface 12, which flows into, puts the terraced outflow of driving interface 13 to rotate forward the state for packing up gangway ladder 2.
Preferably, the manipulation valve 3 is three position four-way directional control valve, packs up position, close stance with described and puts down position three
Position.When the spool for manipulating valve 3, which is located at, to be packed up, external drive compressed air interface passes through manipulation valve 2 and power motor 1
First circuit 10 is connected, and compressed air enters power motor 1 by receiving terraced driving interface 12, is flowed out by putting terraced driving interface 13, is moved
Force motor 1 is in rotating forward state and packs up gangway ladder 2；When the spool for manipulating valve 3 is located at close stance, manipulation valve 3 is located at cut-off position, pressure
Contracting air can not enter the working media of power motor 1 by the manipulation valve 3；Position is put down when the spool of manipulation valve 3 is located at
When, external drive compressed air interface by manipulation valve 3 with connection power motor 1 second servo loop 11 be connected to, compressed air by
It puts terraced driving interface 13 to be driven into power motor 1, be flowed out by receiving terraced driving interface 12, power motor 1 is in reversion shape
State puts down gangway ladder 2.
Preferably, the control valve 4 is bi-bit bi-pass reversal valve, has the first working position, the second working position, the first connection
Mouthful and the second connector, the valve rod 41 of the control valve 4 can with 2 selective exposure of gangway ladder, for changing the control
The position of the spool of valve 4 processed.
Specifically, the valve rod 41 when not contacted with the gangway ladder 2 spool be located at first working position, described
One connector and second connector are in connected state.
Further, when the valve rod 41 is contacted with the gangway ladder 2, the spool is located at second working position, described
First connector is in an off state with second connector.
When the spool of control valve 4 is located at the first working position, control valve 4 is normality, the state in access, power motor
1 working media conveying loop is in connected state, and when the valve position for manipulating valve 2, which is in, packs up, power motor 1 is normally transported
Turn；When the spool of control valve 4 is located at the second working position, control valve 4 is in the state of open circuit, blocks the work of power motor 1
Medium conveys the first circuit 10, even if the valve position for manipulating valve 3 at this time, which is in, is packed up position, power motor 1 also can not rotation work.
The surface of gangway ladder 2 squeezes the valve rod 41 of control valve 4 during being packed up in place by gangway ladder 2, so that 41 band of valve rod
Movable valve plug changes operating position, and control valve 4 cuts off the working media conveying loop of power motor 1, so that power motor 1 stops turning
It is dynamic, prevent the cable wire of gangway ladder 2 structural damage caused by excessively tightening, influence gangway ladder 2 using safe and service life.
As a kind of perferred technical scheme, further include for steam and impurity in filtering compressed air filter 6, use
In the pressure gauge 7 of the pressure of signal piping and for increasing atomization oil and gas to compressed air to lubricate the oil of the power motor 1
Day with fog 8.
The setting of filter 6 can remove steam and impurity that may be present in compressed air, play the components to system
Protective effect；Whether the pressure of the setting real-time monitoring driving gas source of pressure gauge 7 meets the requirement that operates with of gangway ladder 2, protects
Card gangway ladder 2 is normally packed up and is put down；The setting of oil sprayer 8 can make that a certain amount of atomization oil and gas can be contained in compressed air,
To play the lubrication and protective effect to air motor.
In addition, being additionally provided with the master switch 9 of the supply for controlling gas source on the offer pipeline of compressed air.
Working media in the above-described embodiments is compressed air.
Gangway ladder 2 packs up procedure declaration:
When gangway ladder 2 is in down state, staff's manipulation valve 3 is packed up so that the spool of manipulation valve 3 is located at
Position, compressed air after manipulation valve 3 from the receipts ladder driving interface 12 of power motor 1 by entering in power motor 1 to power horse
It is driven up to 1, then from the terraced outflow of driving interface 13 is put, power motor 1, which rotates forward, drives gangway ladder 2 to pack up；When gangway ladder 2 is retracted into
When up to designated position, the surface of gangway ladder 2 is contacted with the valve rod 41 of control valve 4, is squeezed valve rod 41 with movable valve plug and is changed position, so that
Spool is in the second working position, blocks the working media of power motor 1 to convey the first circuit 10, and then power motor 1 is promoted to stop
Rotation stop is dynamic, and last staff's manipulation valve 3 makes valve core reset be in close stance.
Gangway ladder 2 puts down procedure declaration:
When gangway ladder 2, which is in, packs up state in place, staff's manipulation valve 3 is put so that the spool of manipulation valve 3 is located at
Bottom, compressed air flow to the terraced driving interface 13 of putting of power motor 1 by second servo loop 11 after flowing through manipulation valve 3, and compression is empty
Gas is entered in power motor 1 and is driven to power motor 1 from the terraced driving interface 13 of putting of power motor 1, then from receiving ladder
The outflow of driving interface 12 enters the first circuit 10 and flows back to manipulation valve 3, power horse by the check valve 5 being arranged in parallel with control valve 4
Gangway ladder 2 is driven to put down up to 1 reversion；After gangway ladder 2 is put down in place, staff's manipulation valve 3 makes the valve core reset for manipulating valve 3
To close stance, power motor 1 stops operating, that is, completes putting down for gangway ladder 2.
In another embodiment, a kind of gangway ladder control is realized using hydraulic oil as working media with drive system drives
Dynamic and control.
Specifically, the power motor 1 is hydraulic motor.Hydraulic oil enters first time from manipulation valve 3 in the present embodiment
The receipts ladder driving interface 12 that road 10 reaches hydraulic motor flows into hydraulic motor to be driven to flow out from putting terraced driving interface 13 again
To rotate forward the state for packing up gangway ladder 2.
Preferably, the manipulation valve 3 is three position four-way directional control valve, packs up position, close stance with described and puts down position three
Position.When the spool for manipulating valve 3, which is located at, to be packed up, hydraulic oil interface is connected by manipulation valve 2 and the first circuit of working media 10
Logical, hydraulic oil is by driving power motor 1 into power motor 1 by receiving terraced driving interface 12 by the first circuit 10, so
Manipulation valve 3 is returned to through second servo loop 11 by putting the terraced outflow of driving interface 13 afterwards, eventually passes back to the hydraulic oil tank of hydraulic power unit,
Power motor 1 is in rotating forward state and packs up gangway ladder 2；When the spool for manipulating valve 3 is located at close stance, manipulation valve 3 is located at cut-off position,
Hydraulic oil can not enter the working media circuit of power motor 1 by manipulating valve 3；Position is put down when the spool of manipulation valve 3 is located at
When, hydraulic oil interface is connected to by manipulating valve 2 with working media second servo loop 11, and hydraulic oil is entered by second servo loop 11 puts terraced drive
Mobile interface 13 drives power motor 1, then reaches manipulation through the check valve 5 on the first circuit 10 by receiving the terraced outflow of driving interface 12
Valve 3, eventually passes back to the hydraulic oil tank of hydraulic power unit, and power motor 1 is in inverted status and puts down gangway ladder 2.
Preferably, the control valve 4 is bi-bit bi-pass reversal valve, has the first working position, the second working position, the first connection
Mouthful and the second connector, the valve rod 41 of the control valve 4 can with 2 selective exposure of gangway ladder, for changing the control
The position of the spool of valve 4 processed.
Specifically, the valve rod 41 when not contacted with the gangway ladder 2 spool be located at first working position, described
One connector and second connector are in connected state.
Further, when the valve rod 41 is contacted with the gangway ladder 2, the spool is located at second working position, described
First connector is in an off state with second connector.
When carrying out receiving ladder operation to gangway ladder, when the spool of control valve 4 is located at the first working position, control valve 4 is normality,
State in access, the working media of power motor 1 conveys the first circuit 10 and is in connected state, when the valve position of manipulation valve 3
In when packing up, power motor 1 runs well；When the spool of control valve 4 is located at the second working position, control valve 4 is in disconnected
The state on road blocks the working media of power motor 1 to convey the first circuit 10, packs up even if the valve position for manipulating valve 3 at this time is in
Position, power motor 1 are in halted state.
The surface of gangway ladder 2 squeezes the valve rod 41 of control valve 4 during being packed up in place by gangway ladder 2, so that 41 band of valve rod
Movable valve plug changes operating position, and control valve 4 cuts off the working media conveying loop of power motor 1, so that power motor 1 stops turning
It is dynamic, prevent the cable wire of gangway ladder 2 structural damage caused by excessively tightening, influence gangway ladder 2 using safe and service life.
In addition, being additionally provided with the master switch 9 of the supply for controlling hydraulic oil on the offer pipeline of hydraulic oil.
Working media in the above-described embodiments is hydraulic oil.
Gangway ladder 2 packs up procedure declaration:
When gangway ladder 2 is in down state, staff's manipulation valve 3 is packed up so that the spool of manipulation valve 3 is located at
Position, hydraulic oil after manipulation valve 3 from the receipts ladder driving interface 12 of power motor 1 by entering in power motor 1 to power motor 1
It is driven, then returns to manipulation valve 3 by second servo loop 11 from putting the outflow of terraced driving interface 13, eventually pass back to hydraulic power list
The hydraulic oil tank of member, power motor 1, which rotates forward, drives gangway ladder 2 to pack up；When gangway ladder 2, which is packed up, reaches designated position, the surface of gangway ladder 2
It is contacted with the valve rod 41 of control valve 4, squeezes valve rod 41 with movable valve plug and change position, so that spool is in the second working position, blocked
The working media of power motor 1 conveys the first circuit 10, and then power motor 1 is promoted to stop operating, last staff's operation
Manipulation valve 3 makes valve core reset to close stance.
Gangway ladder 2 puts down procedure declaration:
When gangway ladder 2, which is in, packs up state in place, staff's manipulation valve 3 is put so that the spool of manipulation valve 3 is located at
Bottom, hydraulic oil flows through manipulation valve 3 and what second servo loop 11 reached power motor 1 puts terraced driving interface 13, and hydraulic oil is from power
The terraced driving interface 13 of putting of motor 1 is entered in power motor 1 and is driven to hydraulic motor, then from receiving terraced driving interface 12
Outflow reaches manipulation valve 3 by the check valve 5 on the first circuit 10, eventually passes back to the hydraulic oil tank of hydraulic power unit, power
The reversion of motor 1 drives gangway ladder 2 to put down；After gangway ladder 2 is put down in place, staff's manipulation valve 3 keeps the spool for manipulating valve 3 multiple
Close stance is arrived in position, and power motor 1 stops operating, that is, completes putting down for gangway ladder 2.
It is recycled in the above scheme as working media for hydraulic oil using hydraulic oil, it is necessary on manipulation valve 3
One oil return pipe is set, so that hydraulic oil can return to hydraulic oil tank after driving to power motor.
In addition, the present invention also provides a kind of control of gangway ladder and driving methods, when receiving ladder, starting manipulation valve controls power horse
It turns over ladder device to drive up to rotation and packs up gangway ladder, control valve is touched when gangway ladder is packed up in place, control valve blocks the control of power motor
System and driving circuit, so that power motor stopping drive turning over ladder device and packs up gangway ladder.
Specifically includes the following steps:
S1, starting manipulation valve, so that the spool of manipulation valve, which is located at, packs up position, working media enters first by manipulating valve
Circuit；
S2, working media are connect by control and the first circuit of driving circuit from the driving of the receipts ladder of power motor by manipulation valve
Mouth is entered in power motor and is driven to power motor；
S3, working media put terraced driving interface outflow from power motor, and working media enters control and driving circuit
Second servo loop return to manipulation valve, be then return to working media processing cabinet and form complete circuit, power motor rotation, which drives, to be turned over
Ladder device packs up gangway ladder；
S4, gangway ladder pack up the valve rod for squeezing control valve in place, so that the first interface of control valve and second interface are in disconnected
Open state blocks the first circuit to make working media that can not reach the terraced driving interface of power motor receipts and drives to it, power
Motor stops operating.
As a kind of perferred technical scheme, when putting ladder, starting manipulation valve, control power motor rotation, which drives, turns over ladder device
Gangway ladder is put down, touch inducing device when gangway ladder is put down in place, sensing device blocks control and the driving circuit of power motor, so that
Gangway ladder is put down in power motor stopping.
Specifically, sensing device can be control valve or inductor.
In the description of this article, it is to be understood that term " first ", " second " are only used for being distinguish in description,
Without particular meaning.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or
Replacement, should be covered by the scope of protection of the present invention.
Above by specific embodiment, the present invention is described, but the present invention is not limited to these specific implementations
Example.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation etc. can also be done to the present invention.But this
A little transformation, all should be within protection scope of the present invention without departing from spirit of the invention.In addition, present specification and power
Some terms used in sharp claim are not limitation, it is only for convenient for description.In addition, " one described in the above many places
A embodiment ", " another embodiment " etc. indicate different embodiments, naturally it is also possible to completely or partially combine it at one
In embodiment.
Claims (8)
1. a kind of gangway ladder control and drive system characterized by comprising
Power motor turns over ladder device gangway ladder is packed up or put down by driving forward or reverse；
Valve is manipulated, the inflow for controlling working media realizes the power motor forward or reverse with outflow direction, described
Manipulate setting control and driving circuit between valve and the power motor；
The control and driving circuit between the power motor and the manipulation valve is arranged in control valve, the control valve
On, for controlling access or open circuit of the control with driving circuit, when the gangway ladder is packed up in place, the gangway ladder is squeezed
The valve rod of the control valve, so that the control and driving circuit is truncated in control valve work, so that the power motor is vertical
Stop working；
The control includes the first circuit and second servo loop with driving circuit, and the one end in first circuit and the driven valve connect
It connecing, the other end is connected to the receipts ladder driving interface of the power motor, and one end of the second servo loop is connect with the driven valve,
The other end is connected to the terraced driving interface of putting of the power motor, and the control valve is arranged on first circuit, for controlling
Make access or the open circuit in first circuit；
The control valve is bi-bit bi-pass reversal valve, has the first working position, the second working position, the first connector and the second connection
Mouthful, the valve rod of the control valve can be changed described with the gangway ladder selective exposure with the extruding by the gangway ladder
The position of the spool of control valve.
2. gangway ladder control according to claim 1 and drive system, which is characterized in that the control valve has been arranged in parallel one
Check valve, the check valve, which limits the working media, to return to the manipulation valve realization to institute from the power motor through it
Putting down for gangway ladder is stated, and power motor realization can not be entered through it from the manipulation valve and the gangway ladder is packed up.
3. gangway ladder control according to claim 1 and drive system, which is characterized in that the manipulation valve changes for 3-position 4-way
To valve, has and pack up position, close stance and put down the position of position three.
4. gangway ladder control according to claim 1 and drive system, which is characterized in that the valve rod does not connect with the gangway ladder
The spool is located at first working position when touching, and first connector and second connector are in connected state.
5. gangway ladder control according to claim 1 and drive system, which is characterized in that the valve rod is contacted with the gangway ladder
Shi Suoshu spool is located at second working position, and first connector is in an off state with second connector.
6. gangway ladder control according to claim 1 and drive system, which is characterized in that further include for filtering compressed air
In steam and impurity filter, for signal piping pressure pressure gauge and for compressed air increase atomization oil and gas with
Lubricate the oil sprayer of the power motor.
7. a kind of gangway ladder control and driving method, being applied to gangway ladder as claimed in any one of claims 1 to 6 control with driving is
System, which is characterized in that when receiving ladder, starting manipulation valve, control power motor rotation turns over ladder device and pack up gangway ladder to drive, and gangway ladder is received
Control valve is touched when rising in place, control valve blocks control and the driving circuit of power motor, turns over so that power motor stops driving
Ladder device packs up gangway ladder.
8. gangway ladder control according to claim 7 and driving method, which is characterized in that specifically includes the following steps:
S1, starting manipulation valve, so that the spool of manipulation valve, which is located at, packs up position, working media enters control by manipulation valve and drives
Dynamic circuit；
S2, working media by manipulation valve by control and the first circuit of driving circuit from the receipts ladder driving interface of power motor into
Enter and power motor is driven into power motor；
S3, working media enter the second servo loop of control and driving circuit and return to manipulation from the terraced driving interface of putting of power motor
Then valve is made back to working media processing cabinet and forms complete circuit, power motor rotation drive turns over ladder device and receives gangway ladder
It rises；
S4, gangway ladder pack up the valve rod for squeezing control valve in place, so that the first interface of control valve and second interface are in and disconnect shape
State blocks the first circuit to make working media that can not reach the terraced driving interface of power motor receipts and drives to it, power motor
It stops operating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758640.2A CN107339268B (en) | 2017-08-29 | 2017-08-29 | A kind of control of gangway ladder and drive system and its method |
| PCT/CN2017/104153 WO2019041421A1 (en) | 2017-08-29 | 2017-09-29 | System and method for controlling and driving gangway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758640.2A CN107339268B (en) | 2017-08-29 | 2017-08-29 | A kind of control of gangway ladder and drive system and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107339268A CN107339268A (en) | 2017-11-10 |
| CN107339268B true CN107339268B (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710758640.2A Active CN107339268B (en) | 2017-08-29 | 2017-08-29 | A kind of control of gangway ladder and drive system and its method |
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| Country | Link |
|---|---|
| CN (1) | CN107339268B (en) |
| WO (1) | WO2019041421A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111661763B (en) * | 2020-06-15 | 2021-02-19 | 上海中车艾森迪海洋装备有限公司 | Extrusion protection system for retractable frame |
| CN114110354B (en) * | 2022-01-24 | 2022-04-22 | 广东海洋大学 | A kind of ship auxiliary berthing laser rangefinder automatic lifting device |
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| CN102001421A (en) * | 2010-12-13 | 2011-04-06 | 江南大学 | hydraulic boarding ladder |
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- 2017-09-29 WO PCT/CN2017/104153 patent/WO2019041421A1/en active Application Filing
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|---|---|---|---|---|
| CN2915815Y (en) * | 2006-04-29 | 2007-06-27 | 上海亨远船舶设备公司 | Pneumatic motor-cylinder translational gangway hoist |
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| CN102092463A (en) * | 2010-12-13 | 2011-06-15 | 江南大学 | Hydraulic control system for hydraulic boarding ladder |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107339268A (en) | 2017-11-10 |
| WO2019041421A1 (en) | 2019-03-07 |
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