CN103615430A - ROV hydraulic isolation pump station used for deep sea sampler - Google Patents

ROV hydraulic isolation pump station used for deep sea sampler Download PDF

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Publication number
CN103615430A
CN103615430A CN201310654115.8A CN201310654115A CN103615430A CN 103615430 A CN103615430 A CN 103615430A CN 201310654115 A CN201310654115 A CN 201310654115A CN 103615430 A CN103615430 A CN 103615430A
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rov
oil hydraulic
oil
isolation
hydraulic motor
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CN103615430B (en
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王旭阳
葛彤
李翔
王猛
吴超
庄广胶
王彪
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

An ROV hydraulic isolation pump station used for a deep sea sampler in sea equipment comprises a hydraulic motor, a hydraulic pump, an oil return filter, an ROV tool port and an isolation oil tank module, wherein two work oil port bodies of the ROV tool port are connected with an oil inlet and an oil outlet of the hydraulic motor respectively, an oil absorbing port and a pressure oil inlet of the hydraulic pump are respectively connected with the isolation oil tank module, an oil discharging port of the hydraulic motor is connected with an oil absorbing port of the oil return filter, an oil return port of the oil return filter is connected with an ROV oil tank, a front end cap of the hydraulic motor is matched with a front end cap of the hydraulic pump in a sealed mode to form a sealing cavity, and the isolation oil tank module is connected with the hydraulic motor of the sampler. According to the ROV hydraulic isolation pump station, the ports between an ROV hydraulic system and the sampler drive hydraulic motor are isolated and protected, the risk that failures of the sampler occur or bad influences of hydraulic leak are caused on the ROV system is reduced, and operation safety of an ROV is guaranteed.

Description

ROV hydraulic isolation pumping plant for deep sea sampler
Technical field
What the present invention relates to is the hydraulic pressure installation in the equipment of a kind of ocean, a kind of ROV(Remote operated underwater vehicle for deep sea sampler specifically, untethered remotely operated vehicle) hydraulic isolation pumping plant.
Background technique
Along with the development of marine industries, ROV is widely used gradually.As a kind of launch vehicle, ROV can carry relevant working tool and carry out underwater operation, comprises sea floor sampling, underwater rescue salvaging, cutting under water etc.In recent years, marine resources contention is internationally more for fierce, and sample devices miscellaneous and technology are developed out carries out sea floor sampling.Because ROV is furnished with mechanism hand, operator can carry out remotely-controlled operation and coordinative operation to mechanism hand at the water surface, thereby ROV sampling can realize the complicated sampling work that routine sampling equipment cannot complete.ROV sampling is mainly used near biological gene deep-sea hydrothermal mineral reserve and in the observation sampling operation of extreme environment microorganism, grand biology.
It is upper that sampler carries ROV as subtense angle, and it drives is that expansion interface by ROV provides completely.General interface mode is mainly that the expansion interface (hydraulic pressure, electric power) of ROV is directly connected with the interface of sampler subtense angle, and the lift-launch of interface equipment has certain risk.For guaranteeing the Security of ROV deepwater work, sampler itself will have very high reliability, in case ROV body is produced to fatal impact under fortuitous event.
Through the retrieval of prior art is found, Chinese patent literature CN201228680, day for announcing 2009-04-29, has recorded a kind of integration abysmal sea hydraulic source.Be characterized in containing motor cavity, pump chamber and fuel tank, motor cavity is connected with pump chamber, between pump chamber and fuel tank, by valve plate, is connected.In motor cavity, there is motor, in pump chamber, have oil pump.The output shaft of motor is connected with pump shaft by coupling.In valve plate one side, have control valve, control panel, pressure transducer and filter core, this control valve, control panel, pressure transducer and filter core are connected each other, between pump chamber and fuel tank, also by valve plate, are connected.Fuel tank is interior by the pressure compensator being comprised of compensating film, spring and guide rod.This integration abysmal sea hydraulic source, pipeline and circuit are simple, occupy little space, and can be used as the hydraulic power of gearing hand, The Cloud Terrace, buoyancy regulating system, winch and the kickoff mechanism of underwater robot.But when this technology drives at the same time ROV body equipment and carries subtense angle sampler, to ROV hydraulic system and sampler, drive the interface between oil hydraulic motor to isolate and preservative treatment, sampling interface device equipment can exert an influence to ROV ontological security.
Summary of the invention
The present invention is directed to prior art above shortcomings, a kind of ROV hydraulic isolation pumping plant for deep sea sampler is provided, can drive the interface between oil hydraulic motor to isolate and preservative treatment to ROV hydraulic system and sampler, reduce the fault of sampler own or hydraulic leak ROV system has been caused to dysgenic risk, guaranteed the job safety of ROV body.
The present invention is achieved by the following technical solutions, the present invention includes: oil hydraulic motor, oil hydraulic pump, return filter, ROV tool interface and isolation fuel tank module, wherein: two actuator ports of ROV tool interface are connected with return opening with the filler opening of oil hydraulic motor respectively, the inlet port of oil hydraulic pump is connected with isolation fuel tank module respectively with pressure oil import, the drain tap of oil hydraulic motor is connected with the inlet port of return filter, the return opening of return filter is connected with ROV body fuel tank, the front cover of oil hydraulic motor and the front cover of oil hydraulic pump are sealed and matched and form Seal cage, isolation fuel tank module is connected with sampler oil hydraulic motor.
Described oil hydraulic motor is connected by cruciate flower coupling with oil hydraulic pump, and the front cover of oil hydraulic motor stretches out and is embedded with O type circle, the front cover indent of oil hydraulic pump and form Seal cage with O type circle fitted seal; The output shaft place of oil hydraulic motor is without seal ring, and the output shaft of oil hydraulic pump is furnished with two-way lip-type packing.
The return opening of described oil hydraulic motor and drain tap pass through return filter by threeway and are connected to separately ROV body fuel tank.
Described isolation fuel tank module comprises: isolation pumping plant fuel tank, pressure compensator, one-way valve, series flow control valve and relief valve, wherein: the inlet port of isolation pumping plant fuel tank is connected with the inlet port of oil hydraulic pump, compensating port is connected with pressure compensator, return opening is connected with the input end of sampler oil hydraulic motor, the input end of one-way valve is connected with the pressure oil import of oil hydraulic pump, output terminal is connected with relief valve with series flow control valve respectively, as working oil, outlet is connected with the input end of sampler oil hydraulic motor the other end of series flow control valve, the output terminal of relief valve is connected with the return opening of isolation pumping plant fuel tank.
The peak rate of flow of described series flow control valve is 10L/s.
The pressure maximum of described return filter is 0.5MPa, and peak rate of flow is 20L/min, and filter precision is 20 μ m.
The main body of described isolation pumping plant fuel tank comprises: the little case lid of the large case lid in integrated left side and right side, little case lid inside, right side is provided with leather bag.
The present invention has the following advantages compared to existing technology:
1, the present invention adopts integrated motor-pump composite structure, form the core driver element of isolation pumping plant, and integral structure has avoided the output shaft of pump and motor and hermetic unit thereof directly to contact with seawater, and in the middle of it, connect cavity and adopt charge pressure compensation, good seal performance, have higher reliability, the pumping plant of integral type isolation has simultaneously adopted anti-sand erosion measure, can long-term work.
2, the present invention has adopted pressure compensation fuel tank; be pressure compensator and the design of fuel tank integral type, compact structure, it is integrated that pressure, flow control valve and integrated package thereof carry out inside in fuel tank; both protect valve member to avoid seawater corrosion, also taken full advantage of inner space simultaneously.
3, the present invention can be used for ROV or other underwater operation equipment, there is good isolation performance and drive performance, can drive sampler or other hydraulic work instrument, there is good versatility and function expansibility, to meet different actual job demands, thereby operation field has broad application prospects under water.
Accompanying drawing explanation
Fig. 1 is the connection diagram of figure of the present invention;
Fig. 2 is entity line schematic diagram of the present invention;
Fig. 3 is the structural representation of isolation pumping plant fuel tank.
Embodiment
Below embodiments of the invention are elaborated, the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises: ROV tool interface 1, oil hydraulic motor 2a and oil hydraulic pump 2b, return filter 3 and isolation fuel tank module, wherein: two actuator port A1 of ROV tool interface 1, A2 is connected with oil return inlet T 1 with the oil inlet P 1 of oil hydraulic motor 2a respectively, the inlet port X1 of oil hydraulic pump 2b is connected with pressure oil import PJ with the inlet port X of isolation fuel tank module respectively with pressure oil import PJ1, the drain tap D1 of oil hydraulic motor 2a is connected with the inlet port X2 of return filter 3, the return opening Y2 of return filter 3 is connected with ROV body fuel tank 4, the front cover of the front cover of oil hydraulic motor 2a and oil hydraulic pump 2b is sealed and matched and forms Seal cage, both form motor-pump assembly 2, isolation fuel tank module is connected with sampler oil hydraulic motor 7.
Described oil hydraulic motor 2a is connected by cruciate flower coupling with oil hydraulic pump 2b, and the front cover of oil hydraulic motor 2a stretches out and is embedded with O type circle, and the front cover indent of oil hydraulic pump 2b also forms Seal cage with O type circle fitted seal; The output shaft place of oil hydraulic motor 2a is without seal ring, and the output shaft of oil hydraulic pump 2b is furnished with two-way lip-type packing, and this two-way lip-type packing consists of rubber, skeleton and spring assembly.
The oil return inlet T 1 of described oil hydraulic motor 2a is separately connected to ROV body fuel tank 4 by threeway (not shown) through return filter 3 with drain tap D1.
Described isolation fuel tank module comprises: isolation pumping plant fuel tank 5, pressure compensator 6, one-way valve 8, series flow control valve 9 and relief valve 10, wherein: the inlet port X of isolation pumping plant fuel tank 5 is connected with the inlet port X1 of oil hydraulic pump 2b, compensating port B is connected with pressure compensator 6, oil return inlet T is connected with drain tap D2 with the input end T2 of sampler oil hydraulic motor 7 by threeway (not shown), the input end PJ of one-way valve 8 is connected with the pressure oil import PJ1 of oil hydraulic pump 2b, output terminal is connected with relief valve 10 with series flow control valve 9 respectively, the other end of series flow control valve 9 is connected with the input end P2 of sampler oil hydraulic motor 7 as working oil outlet PC, the output terminal of relief valve 10 is connected with the oil return inlet T of isolation pumping plant fuel tank 5.
Oil hydraulic motor 2a drives oil hydraulic pump 2b to boost from isolation pumping plant fuel tank 5 oil suctions of sealing, pressure oil is by one-way valve 8, series flow control valve 9 valve group pressure regulation flows, sampler oil hydraulic motor 7 is connected with isolation fuel tank module interface, by controlling the open and close of hydraulic interface, drive or stop 7 work of sampler oil hydraulic motor, thereby realize the isolation of the present embodiment and sample collector hydraulic system, so the fault of sampler own or hydraulic leak can not impact to the present embodiment.
The peak rate of flow of described series flow control valve 9 is 10L/s.
The pressure maximum of described return filter 3 is 0.5MPa, and peak rate of flow is 20L/min, and filter precision is 20 μ m.
As shown in Figure 3, the large case lid in left side of described isolation pumping plant fuel tank 5 is stainless steel materials, and the little case lid in right side is aluminum alloy material, and little case lid inside, right side is provided with the leather bag 11 of 1L.
The outlet pressure flow of the oil hydraulic pump 2b of motor-pump assembly 2 is relevant with the status parameter of oil hydraulic motor 2a ingress pressure oil.When motor-pump assembly 2 is connected with ROV ontology tool interface 1, the pressure oil status parameter of oil hydraulic motor 2a ingress will improve, the pressure oil parameter in oil hydraulic pump 2b outlet port, pressure, flow also can raise, isolation pumping plant fuel tank 5 internal valve groups can be adjusted to outlet pressure oil need of work state, and supply with sampler oil hydraulic motor 7.
The pipeline of the present embodiment connects and fixation procedure is:
Connecting motor-pump assembly 2 and isolation pumping plant fuel tank 5; Connect load sampler oil hydraulic motor 7 and isolation pumping plant fuel tank 5; Connecting motor-pump assembly 2 and ROV tool interface 1, but should be noted P1, T1 direction, can not reversal connection; Connect return filter 3 and ROV body fuel tank 4, after the interior air of the ROV body fuel tank 4 drained return filter 3 of compensation, connect the drain tap D1 of the oil hydraulic motor 2a of return filter 3, motor-pump assembly 2; Oil return inlet T 1 and the drain tap D1 of oil hydraulic motor 2a pass through return filter 3 by threeway and are connected to ROV body fuel tank 4; When the drain tap of power motor 2a is connected with ROV body power unit fuel tank 4, middle serial connection ball valve; Pressure compensator 6 connects the compensating port B of isolation pumping plant fuel tank 5 by flexible pipe, manual compensation pump connects ball valve, and manual compensation pump is bought oil and drained gas in flexible pipe, under the state flowing out in a small amount at hydraulic oil, and connecting hose and isolation pumping plant fuel tank 5; Fixing associated components.The present embodiment, after connecting, be tested through deck, the test of ROV shallow water, guarantees without just carrying out deepwater work after any problem.
The present embodiment of the present invention for system debug and the exhaust process of deep sea sampler is:
Before pipeline connects, oil-filled to isolation pumping plant fuel tank 5, isolation pumping plant fuel tank 5 wouldn't be fastening; Connecting pipeline, notes utilizing ROV power unit compensator to drain the residual gas in return filter 3 and branch road when pipeline connects; Isolation pumping plant fuel tank 5 Bonding pressure compensators 6, compensation hydraulic oil; Crawl pressure testing, observes and turns to and oil pressure direction; Voltage rise state and Vibration Condition are observed in action in 10 seconds; Long-time action, plays circulation, and gas circulation in pipeline and equipment is concentrated in isolation pumping plant fuel tank 5 and ROV body fuel tank 4; Isolation pumping plant fuel tank 5 secondary exhausts, ROV body fuel tank 4 secondary exhausts, compensation hydraulic oil; Fastening isolation pumping plant fuel tank 5 and associated components.
When described motor-pump assembly 2 is installed, note the exhaust of return filter 3; During due to real work, oil hydraulic motor 2a drain tap D1 dredge oil amount is not too large, beats in circulation time return filter 3 gas and may arrange untotally, therefore need in adapter process is installed, note exhaust; While connecting return filter 3 pipeline, the compensatory pressure that can utilize ROV body fuel tank 4 to return filter 3 and the oil-filled exhaust of respective branch after, more fastening pipeline.After connecting ROV tool interface 1 and ROV body fuel tank 4, to, through fully oil-filled, exhaust, guarantee inner without residual gas.
When the present embodiment pipeline connects complete pressure testing, first to put in-motion viewing examine turn to, pressure oil trend and vibration, after all are normal, the long moving circulating exhaust of beating; Before crawl pressure testing and secondary exhaust do not complete, unfixing isolation pumping plant fuel tank 5, isolates if desired pumping plant fuel tank 5 end caps and can upwards put, and opens relief opening Q; The present embodiment, when installation first or later stage replacing sampler device, all needs to carry out the debugging operations such as crawl pressure testing and secondary exhaust.
While there is accident in the present embodiment; first need to close the branch road ball valve of drain tap D1 to ROV body fuel tank 4 of the oil hydraulic motor 2a of motor-pump assembly 2; connecting pipeline between dismountable body fluid pressure motor 2a to ROV tool interface, shutoff A1, A2, the working connection of protection the present embodiment.

Claims (5)

1. the ROV hydraulic isolation pumping plant for deep sea sampler, it is characterized in that, comprise: oil hydraulic motor, oil hydraulic pump, return filter, ROV tool interface and isolation fuel tank module, wherein: two actuator ports of ROV tool interface are connected with return opening with the filler opening of oil hydraulic motor respectively, the inlet port of oil hydraulic pump is connected with isolation fuel tank module respectively with pressure oil import, the drain tap of oil hydraulic motor is connected with the inlet port of return filter, the return opening of return filter is connected with ROV body fuel tank, the front cover of oil hydraulic motor and the front cover of oil hydraulic pump are sealed and matched and form Seal cage, isolation fuel tank module is connected with sampler oil hydraulic motor,
The return opening of described oil hydraulic motor and drain tap pass through return filter by threeway and are connected to separately ROV body fuel tank, described isolation fuel tank module comprises: isolation pumping plant fuel tank, pressure compensator, one-way valve, series flow control valve and relief valve, wherein: the inlet port of isolation pumping plant fuel tank is connected with the inlet port of oil hydraulic pump, compensating port is connected with pressure compensator, return opening is connected with the input end of sampler oil hydraulic motor, the input end of one-way valve is connected with the pressure oil import of oil hydraulic pump, output terminal is connected with relief valve with series flow control valve respectively, as working oil, outlet is connected with the input end of sampler oil hydraulic motor the other end of series flow control valve, the output terminal of relief valve is connected with the return opening of isolation pumping plant fuel tank.
2. ROV hydraulic isolation pumping plant according to claim 1, it is characterized in that, described oil hydraulic motor is connected by cruciate flower coupling with oil hydraulic pump, and the front cover of oil hydraulic motor stretches out and is embedded with O type circle, the front cover indent of oil hydraulic pump and form Seal cage with O type circle fitted seal; The output shaft place of oil hydraulic motor is without seal ring, and the output shaft of oil hydraulic pump is furnished with two-way lip-type packing.
3. ROV hydraulic isolation pumping plant according to claim 1, is characterized in that, the peak rate of flow of described series flow control valve is 10L/s.
4. ROV hydraulic isolation pumping plant according to claim 1, is characterized in that, the pressure maximum of described return filter is 0.5MPa, and peak rate of flow is 20L/min, and filter precision is 20 μ m.
5. ROV hydraulic isolation pumping plant according to claim 1, is characterized in that, the main body of described isolation pumping plant fuel tank comprises: the little case lid of the large case lid in integrated left side and right side, little case lid inside, right side is provided with leather bag.
CN201310654115.8A 2013-12-05 2013-12-05 For the ROV hydraulic isolation pumping plant of deep sea sampler Active CN103615430B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246644A (en) * 2016-08-31 2016-12-21 长沙矿山研究院有限责任公司 A kind of deep sea drill Hydraulic Station
CN111156226A (en) * 2020-03-02 2020-05-15 谯维智 Hydraulic power conversion device control system free of load influence
CN112555234A (en) * 2019-09-10 2021-03-26 上海中车艾森迪海洋装备有限公司 Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106246644A (en) * 2016-08-31 2016-12-21 长沙矿山研究院有限责任公司 A kind of deep sea drill Hydraulic Station
CN106246644B (en) * 2016-08-31 2018-06-15 长沙矿山研究院有限责任公司 A kind of deep sea drill hydraulic station
CN112555234A (en) * 2019-09-10 2021-03-26 上海中车艾森迪海洋装备有限公司 Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment
CN112555234B (en) * 2019-09-10 2023-06-30 上海中车艾森迪海洋装备有限公司 Automatic pressure regulating system for regulating oil leakage pressure of underwater operation equipment
CN111156226A (en) * 2020-03-02 2020-05-15 谯维智 Hydraulic power conversion device control system free of load influence

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