CN105257610B - The easy-operating steel rake grab boat hydraulic system of boat certainly - Google Patents
The easy-operating steel rake grab boat hydraulic system of boat certainly Download PDFInfo
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- CN105257610B CN105257610B CN201510404787.2A CN201510404787A CN105257610B CN 105257610 B CN105257610 B CN 105257610B CN 201510404787 A CN201510404787 A CN 201510404787A CN 105257610 B CN105257610 B CN 105257610B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 19
- 239000010959 steel Substances 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 230000007423 decrease Effects 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 9
- 101100293606 Hordeum vulgare NAS8 gene Proteins 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 101100293608 Hordeum vulgare NAS9 gene Proteins 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 149
- 238000005086 pumping Methods 0.000 description 40
- 239000000446 fuel Substances 0.000 description 12
- 230000003749 cleanliness Effects 0.000 description 9
- 230000008602 contraction Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of easy-operating steel rake grab boat hydraulic system of boat certainly, including hydraulic actuating mechanism, hydraulic power unit, hydraulic control system, fluid pressure line, hydraulic electric control system, present configuration is reasonable, and favorable working performance is using safety, easy to operate.
Description
Technical field
The present invention relates to a kind of harrow grab boat hydraulic system from the steel that navigates.
Background technology
Existing have certain defect from boat steel rake grab boat hydraulic system at aspects such as service behaviour, versions,
Inefficiency, needs to be improved further.
Content of the invention
It is an object of the invention to provide a kind of the easy-operating of favorable working performance harrows grab boat hydraulic pressure system from boat steel
System.
The technical solution of the present invention is：
A kind of steel rake grab boat hydraulic system of certainly navigating, including hydraulic actuating mechanism, hydraulic power unit, hydraulic control system
System, fluid pressure line, hydraulic electric control system, is characterized in that：
（1）Hydraulic actuating mechanism includes four sets of spud gantry lifting device, chassis walking oil cylinder two, and hauling winch one harrowed by steel
Platform, four, windlass capstan winch；
（2）The configuration of system dynamic pump group is as follows：
Often set lowering or hoisting gear joins the motor pump group parallel connection fuel feeding of 2 22KW to hoist cylinder, speed of service when separate unit runs
Halve, meet an urgent need each other for two, improve the reliability of system, full ship totally 8 motor pump groups；
Two 4KW motor pump groups adjusted by full ship is plugging pin oil cylinder fuel feeding, opens one for one or two and with each other depending on actual condition
Emergent, because the feature of plugging pin oil cylinder is that run time is short, moment flow is big, therefore sets 2 volume 40L in pump discharge oil circuit
Accumulator;
The lifting pumping source of 1# lowering or hoisting gear is simultaneous to supply 1# chassis oil cylinder, and the lifting pump of 2# lowering or hoisting gear is simultaneous to supply 2# chassis oil cylinder,
The lifting pumping source of 3# lowering or hoisting gear is simultaneous to supply hauling winch, and the lifting pumping source of 4# lowering or hoisting gear is simultaneous to supply 4 windlass capstan winches, plugging pin oil cylinder
Pumping source provides power oil sources for 8 main pump variables simultaneously;
8 main oil pumps select constant voltage, invariable power proportional variable pump, and the input signal of wherein rate variable is set as two admittedly
Definite value realizes low pressure huge discharge and two kinds of working condition requirements of high-pressure small-displacement, and the electromagnetism overflow relief valve of fuel pump outlet is also set to height
Low two grades of operating pressures, initial setting data is 125ml/r-6MPa or 30ml/r-27.5MPa；Motor in synchrony rotating speed
1500rpm；
The constant pressure variable displacement pump of 16ml/r selected by consignment oil cylinder, reduces the heating of system, and variable pressure is set as 8.5MPa；
Back pressure check valve, return filter and cooler is set in total return line of pumping plant；
（3）Hydraulic control system
Chassis oil cylinder, hauling winch, windlass capstan winch control mode relatively simple, wherein four windlass capstan winches adopt by machine
Hand-operated valve controls, and chassis oil cylinder and hauling winch adopt electro-hydraulic control；
The control of lowering or hoisting gear：
Total hoist cylinder four in every covering device, and four oil need synchronization lifting, from the structure of lowering or hoisting gear, four
Root hoist cylinder is actually mechanism's synchronization, and therefore four oil cylinders can in parallel be commutated using 1 way reversing valve control；Due to fixed
Position stake decline and hull decline are that two different oil pockets are controlled by back-pressure balance, therefore, in A, B of reversal valve for oil cylinder
It is both needed to setting one-way balance valve in total oil circuit and make back pressure control and hydraulic locking；
Mounting means due to hoist cylinder is two oscillating bearing, there is the swing of certain amplitude when oil cylinder runs,
The AB hydraulic fluid port of therefore every oil cylinder is connected with house steward AB need to be with high-pressure hose transition it is contemplated that the safety of system, therefore every
Oil cylinder is both needed to arrange hydraulic lock, and the oil return of this hydraulic lock has the back pressure of one-way balance valve, so this hydraulic lock need to adopt external control
The product leaking；
In the flexible pipe anti-explosion safety item of hoist cylinder AB hydraulic fluid port, also another kind of scheme available it is simply that four
The A mouth of individual hoist cylinder and B mouth are all provided with fixing damping hole, cancel the hydraulic lock on single oil cylinder；Such four oil cylinders are located all the time
Work under parallel connection, even if explosion in a certain flexible pipe, hull at most simply steadily lentamente declines a stroke；
There are upper and lower two groups totally four plugging pin oil cylinder in lowering or hoisting gear, every group two simultaneous retractables in parallel, for guaranteeing system
Safety, two group oil cylinders adopt " P " type reversal valve to control, and such two groups of latches of initial condition are all in extended position,
During commutation, only one group latch is extracted, and under therefore any operating mode, at least one group latch is in the state of stretching out it is ensured that being all the time
The safety of system；
（4）Fluid pressure line and hydraulic oil
Full ship fluid pressure line is made by hydraulic system principle figure requirement by shipyard, for improving the net synchronization capability of four oil cylinders,
House steward AB needs to be connected using " centrosymmetry " stringing with the arm of four oil cylinders, makes the oil circuit knot of the hydraulic fluid port of every oil cylinder to house steward
Structure is identical, so effectively can improve the synchronization of oil cylinder further；Using No. 68 antiwear hydraulic oils, oil cleanliness is
NAS8 ~ 9 grade；
（5）Hydraulic electric control system
Full ship hydraulic electric control system is by Electric Machine at Pumping Station control chamber, PLC centralized-control box, driver's cabin centralized control panel and stake
Other control chamber four part composition, each several part sets following functions：
The automatically controlled control chamber of pumping plant：The star triangle on off control of 8 22KW, and 2 4KW motors directly initiate control, and
If the Remote Control Interface of driver's cabin, degree of protection IP22, it is arranged in pumping plant cabin；
PLC control cabinet：PLC control cabinet is realized to system-wide precise control, and alarm signal controls and interlocks, and panel sets electricity
Source switch, degree of protection is IP22, may be arranged at pumping plant cabin or drives interior；
Driver's cabin centralized control panel includes：
Control on and off switch；The remote control of motor is opened and is run instruction；Hydraulic system concentrates sound and light alarm；The operation of each pumping source
Oil pressure shows；Level indicator；2 sets of chassis oil cylinders control and run instruction；1 set of hauling winch controls and runs instruction；Main oil pump two
Plant operating mode selecting switch；Hoist cylinder extension and contraction control, stroke show, extreme position indicates, four sets of lifting synchronizations of jacking up；Latch oil
Cylinder pull pin control and snibbing position show；" audition ", " noise reduction " switch；Running status and alarm indicator are shown using HMI；
The other control chamber of stake
Often set a set of control chamber degree of protection as IP56, if following control content by set guide pile
Control permutator；Two kinds of operating modes are run and are selected；Hoist cylinder extension and contraction control；Plugging pin oil cylinder extracts control and latch
Position display.
Oil cleanliness is NAS8 level.
Oil cleanliness is NAS9 level.
In cooler, cooling water flow is 20 ~ 30m3/h.
Present configuration rationally, favorable working performance, using safe, easy to operate.
With reference to embodiment, the invention will be further described.
Specific embodiment
Embodiment 1：
A kind of steel rake grab boat hydraulic system of certainly navigating, including hydraulic actuating mechanism, hydraulic power unit, hydraulic control system
System, fluid pressure line, hydraulic electric control system, is characterized in that：
（1）Hydraulic actuating mechanism includes four sets of spud gantry lifting device, chassis walking oil cylinder two, and hauling winch one harrowed by steel
Platform, four, windlass capstan winch；
（2）The configuration of system dynamic pump group is as follows：
Often set lowering or hoisting gear joins the motor pump group parallel connection fuel feeding of 2 22KW to hoist cylinder, speed of service when separate unit runs
Halve, meet an urgent need each other for two, improve the reliability of system, full ship totally 8 motor pump groups；
Two 4KW motor pump groups adjusted by full ship is plugging pin oil cylinder fuel feeding, opens one for one or two and with each other depending on actual condition
Emergent, because the feature of plugging pin oil cylinder is that run time is short, moment flow is big, therefore sets 2 volume 40L in pump discharge oil circuit
Accumulator;
The lifting pumping source of 1# lowering or hoisting gear is simultaneous to supply 1# chassis oil cylinder, and the lifting pump of 2# lowering or hoisting gear is simultaneous to supply 2# chassis oil cylinder,
The lifting pumping source of 3# lowering or hoisting gear is simultaneous to supply hauling winch, and the lifting pumping source of 4# lowering or hoisting gear is simultaneous to supply 4 windlass capstan winches, plugging pin oil cylinder
Pumping source provides power oil sources for 8 main pump variables simultaneously;
8 main oil pumps select constant voltage, invariable power proportional variable pump, and the input signal of wherein rate variable is set as two admittedly
Definite value realizes low pressure huge discharge and two kinds of working condition requirements of high-pressure small-displacement, and the electromagnetism overflow relief valve of fuel pump outlet is also set to height
Low two grades of operating pressures, initial setting data is 125ml/r-6MPa or 30ml/r-27.5MPa；Motor in synchrony rotating speed
1500rpm；
The constant pressure variable displacement pump of 16ml/r selected by consignment oil cylinder, reduces the heating of system, and variable pressure is set as 8.5MPa；
Back pressure check valve, return filter and cooler is set in total return line of pumping plant；
（3）Hydraulic control system
Chassis oil cylinder, hauling winch, windlass capstan winch control mode relatively simple, wherein four windlass capstan winches adopt by machine
Hand-operated valve controls, and chassis oil cylinder and hauling winch adopt electro-hydraulic control；
The control of lowering or hoisting gear：
Total hoist cylinder four in every covering device, and four oil need synchronization lifting, from the structure of lowering or hoisting gear, four
Root hoist cylinder is actually mechanism's synchronization, and therefore four oil cylinders can in parallel be commutated using 1 way reversing valve control；Due to fixed
Position stake decline and hull decline are that two different oil pockets are controlled by back-pressure balance, therefore, in A, B of reversal valve for oil cylinder
It is both needed to setting one-way balance valve in total oil circuit and make back pressure control and hydraulic locking；
Mounting means due to hoist cylinder is two oscillating bearing, there is the swing of certain amplitude when oil cylinder runs,
The AB hydraulic fluid port of therefore every oil cylinder is connected with house steward AB need to be with high-pressure hose transition it is contemplated that the safety of system, therefore every
Oil cylinder is both needed to arrange hydraulic lock, and the oil return of this hydraulic lock has the back pressure of one-way balance valve, so this hydraulic lock need to adopt external control
The product leaking；
In the flexible pipe anti-explosion safety item of hoist cylinder AB hydraulic fluid port, also another kind of scheme available it is simply that four
The A mouth of individual hoist cylinder and B mouth are all provided with fixing damping hole, cancel the hydraulic lock on single oil cylinder；Such four oil cylinders are located all the time
Work under parallel connection, even if explosion in a certain flexible pipe, hull at most simply steadily lentamente declines a stroke；
There are upper and lower two groups totally four plugging pin oil cylinder in lowering or hoisting gear, every group two simultaneous retractables in parallel, for guaranteeing system
Safety, two group oil cylinders adopt " P " type reversal valve to control, and such two groups of latches of initial condition are all in extended position,
During commutation, only one group latch is extracted, and under therefore any operating mode, at least one group latch is in the state of stretching out it is ensured that being all the time
The safety of system；
（4）Fluid pressure line and hydraulic oil
Full ship fluid pressure line is made by hydraulic system principle figure requirement by shipyard, for improving the net synchronization capability of four oil cylinders,
House steward AB needs to be connected using " centrosymmetry " stringing with the arm of four oil cylinders, makes the oil circuit knot of the hydraulic fluid port of every oil cylinder to house steward
Structure is identical, so effectively can improve the synchronization of oil cylinder further；Using No. 68 antiwear hydraulic oils, oil cleanliness is
NAS8 ~ 9 grade；
（5）Hydraulic electric control system
Full ship hydraulic electric control system is by Electric Machine at Pumping Station control chamber, PLC centralized-control box, driver's cabin centralized control panel and stake
Other control chamber four part composition, each several part sets following functions：
The automatically controlled control chamber of pumping plant：The star triangle on off control of 8 22KW, and 2 4KW motors directly initiate control, and
If the Remote Control Interface of driver's cabin, degree of protection IP22, it is arranged in pumping plant cabin；
PLC control cabinet：PLC control cabinet is realized to system-wide precise control, and alarm signal controls and interlocks, and panel sets electricity
Source switch, degree of protection is IP22, may be arranged at pumping plant cabin or drives interior；
Driver's cabin centralized control panel includes：
Control on and off switch；The remote control of motor is opened and is run instruction；Hydraulic system concentrates sound and light alarm；The operation of each pumping source
Oil pressure shows；Level indicator；2 sets of chassis oil cylinders control and run instruction；1 set of hauling winch controls and runs instruction；Main oil pump two
Plant operating mode selecting switch；Hoist cylinder extension and contraction control, stroke show, extreme position indicates, four sets of lifting synchronizations of jacking up；Latch oil
Cylinder pull pin control and snibbing position show；" audition ", " noise reduction " switch；Running status and alarm indicator are shown using HMI；
The other control chamber of stake
Often set a set of control chamber degree of protection as IP56, if following control content by set guide pile
Control permutator；Two kinds of operating modes are run and are selected；Hoist cylinder extension and contraction control；Plugging pin oil cylinder extracts control and latch
Position display.
Oil cleanliness is NAS8 level.
In cooler, cooling water flow is 30m3/h.
Embodiment 2：
A kind of steel rake grab boat hydraulic system of certainly navigating, including hydraulic actuating mechanism, hydraulic power unit, hydraulic control system
System, fluid pressure line, hydraulic electric control system, is characterized in that：
（1）Hydraulic actuating mechanism includes four sets of spud gantry lifting device, chassis walking oil cylinder two, and hauling winch one harrowed by steel
Platform, four, windlass capstan winch；
（2）The configuration of system dynamic pump group is as follows：
Often set lowering or hoisting gear joins the motor pump group parallel connection fuel feeding of 2 22KW to hoist cylinder, speed of service when separate unit runs
Halve, meet an urgent need each other for two, improve the reliability of system, full ship totally 8 motor pump groups；
Two 4KW motor pump groups adjusted by full ship is plugging pin oil cylinder fuel feeding, opens one for one or two and with each other depending on actual condition
Emergent, because the feature of plugging pin oil cylinder is that run time is short, moment flow is big, therefore sets 2 volume 40L in pump discharge oil circuit
Accumulator;
The lifting pumping source of 1# lowering or hoisting gear is simultaneous to supply 1# chassis oil cylinder, and the lifting pump of 2# lowering or hoisting gear is simultaneous to supply 2# chassis oil cylinder,
The lifting pumping source of 3# lowering or hoisting gear is simultaneous to supply hauling winch, and the lifting pumping source of 4# lowering or hoisting gear is simultaneous to supply 4 windlass capstan winches, plugging pin oil cylinder
Pumping source provides power oil sources for 8 main pump variables simultaneously;
8 main oil pumps select constant voltage, invariable power proportional variable pump, and the input signal of wherein rate variable is set as two admittedly
Definite value realizes low pressure huge discharge and two kinds of working condition requirements of high-pressure small-displacement, and the electromagnetism overflow relief valve of fuel pump outlet is also set to height
Low two grades of operating pressures, initial setting data is 125ml/r-6MPa or 30ml/r-27.5MPa；Motor in synchrony rotating speed
1500rpm；
The constant pressure variable displacement pump of 16ml/r selected by consignment oil cylinder, reduces the heating of system, and variable pressure is set as 8.5MPa；
Back pressure check valve, return filter and cooler is set in total return line of pumping plant；
（3）Hydraulic control system
Chassis oil cylinder, hauling winch, windlass capstan winch control mode relatively simple, wherein four windlass capstan winches adopt by machine
Hand-operated valve controls, and chassis oil cylinder and hauling winch adopt electro-hydraulic control；
The control of lowering or hoisting gear：
Total hoist cylinder four in every covering device, and four oil need synchronization lifting, from the structure of lowering or hoisting gear, four
Root hoist cylinder is actually mechanism's synchronization, and therefore four oil cylinders can in parallel be commutated using 1 way reversing valve control；Due to fixed
Position stake decline and hull decline are that two different oil pockets are controlled by back-pressure balance, therefore, in A, B of reversal valve for oil cylinder
It is both needed to setting one-way balance valve in total oil circuit and make back pressure control and hydraulic locking；
Mounting means due to hoist cylinder is two oscillating bearing, there is the swing of certain amplitude when oil cylinder runs,
The AB hydraulic fluid port of therefore every oil cylinder is connected with house steward AB need to be with high-pressure hose transition it is contemplated that the safety of system, therefore every
Oil cylinder is both needed to arrange hydraulic lock, and the oil return of this hydraulic lock has the back pressure of one-way balance valve, so this hydraulic lock need to adopt external control
The product leaking；
In the flexible pipe anti-explosion safety item of hoist cylinder AB hydraulic fluid port, also another kind of scheme available it is simply that four
The A mouth of individual hoist cylinder and B mouth are all provided with fixing damping hole, cancel the hydraulic lock on single oil cylinder；Such four oil cylinders are located all the time
Work under parallel connection, even if explosion in a certain flexible pipe, hull at most simply steadily lentamente declines a stroke；
There are upper and lower two groups totally four plugging pin oil cylinder in lowering or hoisting gear, every group two simultaneous retractables in parallel, for guaranteeing system
Safety, two group oil cylinders adopt " P " type reversal valve to control, and such two groups of latches of initial condition are all in extended position,
During commutation, only one group latch is extracted, and under therefore any operating mode, at least one group latch is in the state of stretching out it is ensured that being all the time
The safety of system；
（4）Fluid pressure line and hydraulic oil
Full ship fluid pressure line is made by hydraulic system principle figure requirement by shipyard, for improving the net synchronization capability of four oil cylinders,
House steward AB needs to be connected using " centrosymmetry " stringing with the arm of four oil cylinders, makes the oil circuit knot of the hydraulic fluid port of every oil cylinder to house steward
Structure is identical, so effectively can improve the synchronization of oil cylinder further；Using No. 68 antiwear hydraulic oils, oil cleanliness is
NAS8 ~ 9 grade；
（5）Hydraulic electric control system
Full ship hydraulic electric control system is by Electric Machine at Pumping Station control chamber, PLC centralized-control box, driver's cabin centralized control panel and stake
Other control chamber four part composition, each several part sets following functions：
The automatically controlled control chamber of pumping plant：The star triangle on off control of 8 22KW, and 2 4KW motors directly initiate control, and
If the Remote Control Interface of driver's cabin, degree of protection IP22, it is arranged in pumping plant cabin；
PLC control cabinet：PLC control cabinet is realized to system-wide precise control, and alarm signal controls and interlocks, and panel sets electricity
Source switch, degree of protection is IP22, may be arranged at pumping plant cabin or drives interior；
Driver's cabin centralized control panel includes：
Control on and off switch；The remote control of motor is opened and is run instruction；Hydraulic system concentrates sound and light alarm；The operation of each pumping source
Oil pressure shows；Level indicator；2 sets of chassis oil cylinders control and run instruction；1 set of hauling winch controls and runs instruction；Main oil pump two
Plant operating mode selecting switch；Hoist cylinder extension and contraction control, stroke show, extreme position indicates, four sets of lifting synchronizations of jacking up；Latch oil
Cylinder pull pin control and snibbing position show；" audition ", " noise reduction " switch；Running status and alarm indicator are shown using HMI；
The other control chamber of stake
Often set a set of control chamber degree of protection as IP56, if following control content by set guide pile
Control permutator；Two kinds of operating modes are run and are selected；Hoist cylinder extension and contraction control；Plugging pin oil cylinder extracts control and latch
Position display.
Oil cleanliness is NAS9 level.
In cooler, cooling water flow is 25m3/h.
Embodiment 3：
A kind of steel rake grab boat hydraulic system of certainly navigating, including hydraulic actuating mechanism, hydraulic power unit, hydraulic control system
System, fluid pressure line, hydraulic electric control system, is characterized in that：
（1）Hydraulic actuating mechanism includes four sets of spud gantry lifting device, chassis walking oil cylinder two, and hauling winch one harrowed by steel
Platform, four, windlass capstan winch；
（2）The configuration of system dynamic pump group is as follows：
Often set lowering or hoisting gear joins the motor pump group parallel connection fuel feeding of 2 22KW to hoist cylinder, speed of service when separate unit runs
Halve, meet an urgent need each other for two, improve the reliability of system, full ship totally 8 motor pump groups；
Two 4KW motor pump groups adjusted by full ship is plugging pin oil cylinder fuel feeding, opens one for one or two and with each other depending on actual condition
Emergent, because the feature of plugging pin oil cylinder is that run time is short, moment flow is big, therefore sets 2 volume 40L in pump discharge oil circuit
Accumulator;
The lifting pumping source of 1# lowering or hoisting gear is simultaneous to supply 1# chassis oil cylinder, and the lifting pump of 2# lowering or hoisting gear is simultaneous to supply 2# chassis oil cylinder,
The lifting pumping source of 3# lowering or hoisting gear is simultaneous to supply hauling winch, and the lifting pumping source of 4# lowering or hoisting gear is simultaneous to supply 4 windlass capstan winches, plugging pin oil cylinder
Pumping source provides power oil sources for 8 main pump variables simultaneously;
8 main oil pumps select constant voltage, invariable power proportional variable pump, and the input signal of wherein rate variable is set as two admittedly
Definite value realizes low pressure huge discharge and two kinds of working condition requirements of high-pressure small-displacement, and the electromagnetism overflow relief valve of fuel pump outlet is also set to height
Low two grades of operating pressures, initial setting data is 125ml/r-6MPa or 30ml/r-27.5MPa；Motor in synchrony rotating speed
1500rpm；
The constant pressure variable displacement pump of 16ml/r selected by consignment oil cylinder, reduces the heating of system, and variable pressure is set as 8.5MPa；
Back pressure check valve, return filter and cooler is set in total return line of pumping plant；
（3）Hydraulic control system
Chassis oil cylinder, hauling winch, windlass capstan winch control mode relatively simple, wherein four windlass capstan winches adopt by machine
Hand-operated valve controls, and chassis oil cylinder and hauling winch adopt electro-hydraulic control；
The control of lowering or hoisting gear：
Total hoist cylinder four in every covering device, and four oil need synchronization lifting, from the structure of lowering or hoisting gear, four
Root hoist cylinder is actually mechanism's synchronization, and therefore four oil cylinders can in parallel be commutated using 1 way reversing valve control；Due to fixed
Position stake decline and hull decline are that two different oil pockets are controlled by back-pressure balance, therefore, in A, B of reversal valve for oil cylinder
It is both needed to setting one-way balance valve in total oil circuit and make back pressure control and hydraulic locking；
Mounting means due to hoist cylinder is two oscillating bearing, there is the swing of certain amplitude when oil cylinder runs,
The AB hydraulic fluid port of therefore every oil cylinder is connected with house steward AB need to be with high-pressure hose transition it is contemplated that the safety of system, therefore every
Oil cylinder is both needed to arrange hydraulic lock, and the oil return of this hydraulic lock has the back pressure of one-way balance valve, so this hydraulic lock need to adopt external control
The product leaking；
In the flexible pipe anti-explosion safety item of hoist cylinder AB hydraulic fluid port, also another kind of scheme available it is simply that four
The A mouth of individual hoist cylinder and B mouth are all provided with fixing damping hole, cancel the hydraulic lock on single oil cylinder；Such four oil cylinders are located all the time
Work under parallel connection, even if explosion in a certain flexible pipe, hull at most simply steadily lentamente declines a stroke；
There are upper and lower two groups totally four plugging pin oil cylinder in lowering or hoisting gear, every group two simultaneous retractables in parallel, for guaranteeing system
Safety, two group oil cylinders adopt " P " type reversal valve to control, and such two groups of latches of initial condition are all in extended position,
During commutation, only one group latch is extracted, and under therefore any operating mode, at least one group latch is in the state of stretching out it is ensured that being all the time
The safety of system；
（4）Fluid pressure line and hydraulic oil
Full ship fluid pressure line is made by hydraulic system principle figure requirement by shipyard, for improving the net synchronization capability of four oil cylinders,
House steward AB needs to be connected using " centrosymmetry " stringing with the arm of four oil cylinders, makes the oil circuit knot of the hydraulic fluid port of every oil cylinder to house steward
Structure is identical, so effectively can improve the synchronization of oil cylinder further；Using No. 68 antiwear hydraulic oils, oil cleanliness is
NAS8 ~ 9 grade；
（5）Hydraulic electric control system
Full ship hydraulic electric control system is by Electric Machine at Pumping Station control chamber, PLC centralized-control box, driver's cabin centralized control panel and stake
Other control chamber four part composition, each several part sets following functions：
The automatically controlled control chamber of pumping plant：The star triangle on off control of 8 22KW, and 2 4KW motors directly initiate control, and
If the Remote Control Interface of driver's cabin, degree of protection IP22, it is arranged in pumping plant cabin；
PLC control cabinet：PLC control cabinet is realized to system-wide precise control, and alarm signal controls and interlocks, and panel sets electricity
Source switch, degree of protection is IP22, may be arranged at pumping plant cabin or drives interior；
Driver's cabin centralized control panel includes：
Control on and off switch；The remote control of motor is opened and is run instruction；Hydraulic system concentrates sound and light alarm；The operation of each pumping source
Oil pressure shows；Level indicator；2 sets of chassis oil cylinders control and run instruction；1 set of hauling winch controls and runs instruction；Main oil pump two
Plant operating mode selecting switch；Hoist cylinder extension and contraction control, stroke show, extreme position indicates, four sets of lifting synchronizations of jacking up；Latch oil
Cylinder pull pin control and snibbing position show；" audition ", " noise reduction " switch；Running status and alarm indicator are shown using HMI；
The other control chamber of stake
Often set a set of control chamber degree of protection as IP56, if following control content by set guide pile
Control permutator；Two kinds of operating modes are run and are selected；Hoist cylinder extension and contraction control；Plugging pin oil cylinder extracts control and latch
Position display.
Oil cleanliness is NAS8 level.
In cooler, cooling water flow is 20m3/h.
Claims (4)
1. a kind of easy-operating steel rake grab boat hydraulic system of boat certainly, including hydraulic actuating mechanism, hydraulic power unit, hydraulic pressure control
System processed, fluid pressure line, hydraulic electric control system, is characterized in that：
(1) hydraulic actuating mechanism includes four sets of spud gantry lifting device, chassis walking oil cylinder two, and hauling winch one harrowed by steel,
Four, windlass capstan winch；
(2) hydraulic control system
Chassis oil cylinder, hauling winch, windlass capstan winch control mode relatively simple, wherein four windlass capstan winches adopt machine other manually
Valve controls, and chassis oil cylinder and hauling winch adopt electro-hydraulic control；
The control of lowering or hoisting gear：
Total hoist cylinder four in every covering device, and four oil need synchronization lifting, from the structure of lowering or hoisting gear, four rise
Fall oil cylinder is actually mechanism's synchronization, and therefore four oil cylinders can in parallel be commutated using 1 way reversing valve control；Due to guide pile
Decline and hull decline is that two different oil pockets are controlled by back-pressure balance for oil cylinder, therefore, always oily in A, B of reversal valve
It is both needed to setting one-way balance valve in road and make back pressure control and hydraulic locking；
Mounting means due to hoist cylinder is two oscillating bearing, there is the swing of certain amplitude when oil cylinder runs, therefore
The AB hydraulic fluid port of every oil cylinder is connected with house steward AB need to be with high-pressure hose transition it is contemplated that the safety of system, therefore every oil cylinder
It is both needed to arrange hydraulic lock, the oil return of this hydraulic lock has the back pressure of one-way balance valve, so this hydraulic lock need to be leaked using external control
Product；
In the flexible pipe anti-explosion safety item of hoist cylinder AB hydraulic fluid port, it is all provided with fixing damping in the A mouth of four hoist cylinders and B mouth
Hole, cancels the hydraulic lock on single oil cylinder；Such four oil cylinders are in all the time and work under parallel connection, even if a certain hose
Now burst, hull at most simply steadily lentamente declines a stroke；
There are upper and lower two groups totally four plugging pin oil cylinder in lowering or hoisting gear, every group two simultaneous retractables in parallel, for guaranteeing the peace of system
Quan Xing, two group oil cylinders adopt " P " type reversal valve to control, and such two groups of latches of initial condition are all in extended position, commutation
When only one group latch extract, under therefore any operating mode, at least one group latch is in the state of stretching out it is ensured that system all the time
Safety.
2. the easy-operating steel rake grab boat hydraulic system of boat certainly according to claim 1, is characterized in that：Fluid cleans
Spend for NAS8 level.
3. the easy-operating steel rake grab boat hydraulic system of boat certainly according to claim 1, is characterized in that：Fluid cleans
Spend for NAS9 level.
4. the easy-operating steel rake grab boat hydraulic system of boat certainly according to claim 1, is characterized in that：In cooler
Cooling water flow is 20～30m3/h.
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| CN201510404787.2A CN105257610B (en) | 2015-07-13 | 2015-07-13 | The easy-operating steel rake grab boat hydraulic system of boat certainly |
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| CN201510404787.2A CN105257610B (en) | 2015-07-13 | 2015-07-13 | The easy-operating steel rake grab boat hydraulic system of boat certainly |
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| CN105257610B true CN105257610B (en) | 2017-03-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105672952A (en) * | 2016-04-14 | 2016-06-15 | 麦格瑞科技（北京）有限公司 | Intelligent non-beam hydraulic oil pumping technology and hydraulic oil pumping machine |
| CN108518387B (en) * | 2018-03-27 | 2019-12-31 | 上海朗畏机电科技有限公司 | Hydraulic interlocking control system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669002A5 (en) * | 1986-07-18 | 1989-02-15 | Serge Vuistiner | EARTHMOVING MACHINE. |
| JP4787202B2 (en) * | 2007-04-26 | 2011-10-05 | 東亜建設工業株式会社 | 浚 渫 Support system |
| CN101811558B (en) * | 2010-03-05 | 2012-07-18 | 南通港闸船舶制造有限公司 | Dredger hydraulic system manufacturing and installation technology |
| CN102277887B (en) * | 2010-06-11 | 2013-06-12 | 鲁国庆 | Fully submersible dredger |
| CN102226346B (en) * | 2011-04-07 | 2012-07-25 | 上海交通大学 | Extrusion grab bucket for continuous desilting |
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