CN102011387A - Hydraulic lifting system with self-installed oil production platform - Google Patents
Hydraulic lifting system with self-installed oil production platform Download PDFInfo
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- CN102011387A CN102011387A CN 201010196872 CN201010196872A CN102011387A CN 102011387 A CN102011387 A CN 102011387A CN 201010196872 CN201010196872 CN 201010196872 CN 201010196872 A CN201010196872 A CN 201010196872A CN 102011387 A CN102011387 A CN 102011387A
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Abstract
The invention relates to the technical field of hydraulic lifting systems with a self-installed marine oil production platforms, in particular to a hydraulic lifting system of an oil production platform with excellent multi-cylinder multi-pile synchronous control performance in the lifting process of the marine oil production platform. The hydraulic lifting system is provided with sixteen hydraulic cylinders, a hydraulic control system and an electrical control system, wherein the hydraulic control system is provided with a plurality of sets of main oil pump motor sets, electromagnetic overflow valves with the same number as the main oil pump motor sets and four sets of electro-hydraulic proportional reversing valve banks; and the electrical control system is provided with a hydraulic cylinder stroke detection device and a programmable logic controller (PLC). By adopting the scheme that the oil pump motor sets, the electro-hydraulic proportional reversing valve, an inlet balance valve, an out balance valve and pile legs are rigidly, synchronously and closely controlled, the synchronous precision of the sixteen hydraulic cylinders of the platform is high and the production cost of the hydraulic lifting system of the oil production platform is low.
Description
Technical field
The present invention relates to offshore oil production platform hydraulic lifting system technical field, the production platform of the installation certainly jacking system of many multi-cylinder synchronization liftings in especially a kind of lifting offshore oil production platform process.
Background technology
From the effect that the production platform hydraulic lifting system is installed is platform plug stake/lift platform and lifting seawater lift pump frame, is divided into a machine system, hydraulic system and control system three parts.Hydraulic means work is more steady because in light weight, inertia is little, reflection is fast, hydraulic means is easy to realize quick startup, braking and frequent commutation.Hydraulic drive is easy to automation, and it is easy to regulate or control to fluid pressure, flow or flow direction.Hydraulic control and electrical control are combined when using, and whole transmission device can realize very complicated sequentially-operating, also can realize Long-distance Control easily.What lifting platform stake machine system adopted is master cylinder latch pole-climbing formula, have the identical elevating mechanism of 4 covers, from being installed, the production platform hydraulic lifting system have 16 to promote master cylinder, four oil cylinders corresponding to each spud leg have adopted rigidity synchronous, and adopt four built-in displacement transducers to carry out synchronous monitoring.And adopt the closed loop of displacement transducer synchronous, and take into account the levelness monitoring of platform horizontal plane for four spud legs.Need realize that action is a more complicated accurately to system.Need be additional all multi-functional, realize safe and reliable work.
Summary of the invention
The technical problem to be solved in the present invention is: the invention provides a kind ofly from the production platform hydraulic lifting system is installed, this installs the production platform hydraulic lifting system certainly and has many multi-cylinder synchronization accuracy height, operates steadily, safe and reliable characteristics.
The technical solution adopted for the present invention to solve the technical problems is: a kind of from the production platform hydraulic lifting system is installed, have 16 hydraulic cylinders, hydraulic control system and electrical control system, hydraulic control system has the main oil pump motor group that some covers interconnect, electromagnetic relief valve group with main oil pump motor group equivalent amount, 4 cover electro-hydraulic proportion reversing valves, the outlet equalizing valve group of the import equalizing valve group of 16 cover locking usefulness and 16 cover locking usefulness, the pressure transmitter of the control pump motor unit of control electro-hydraulic proportion reversing valve and the whole hydraulic system each several part pressure of monitoring, electrical control system has hydraulic cylinder travel checkout gear and programmable controller PLC, every cover main oil pump motor group links to each other with a cover electromagnetic relief valve group hydraulic fluid port by pipeline road, each main oil pump motor group links to each other with 4 cover electro-hydraulic proportion reversing valve imports respectively after merging into a main pipeline road, every cover electro-hydraulic proportion reversing valve outlet is divided into 4 the tunnel by pipeline road, every road links to each other with the cavity of resorption hydraulic fluid port of a hydraulic cylinder after connecing 1 cover import equalizing valve, the epicoele hydraulic fluid port of every hydraulic cylinder connects 1 cover outlet equalizing valve, 4 the tunnel connect this cover electro-hydraulic proportion reversing valve outlet after converging, 4 cover electric-hydraulic proportion valve outlet ports converge to total oil return pipe of a logical fuel tank, the control pump motor unit is connected with the control port of 4 cover electro-hydraulic proportion reversing valves respectively by pipeline road, the hydraulic cylinder travel checkout gear has sensor, sensor is arranged in the hydraulic cylinder, sensor is connected with programmable logic controller PLC, and programmable logic controller PLC is connected with electro-hydraulic proportion reversing valve.
For guaranteeing the speed of service of hydraulic cylinder, and avoid system being quit work because of 1 cover main oil pump motor group fault wherein, the assurance system normally moves, described main oil pump motor group has 5 covers, 4 cover work, 1 cover is standby, compares with conventional design, under the situation that guarantees the equal speed of service of hydraulic cylinder, can be less with 3 cover main oil pump motor groups.
For avoiding causing the whole system cisco unity malfunction because of 1 cover control pump motor unit fault wherein, the assurance system normally moves, and described control pump motor unit has 2 covers, and 2 cover control pump motor unit are standby each other.
For reducing cost and the precision height, described sensor is the stay-supported displacement transducer.
The invention has the beneficial effects as follows that of the present invention from the production platform hydraulic lifting system is installed, four cylinder rigidity of same spud leg are synchronous, four can to carry out closed loop according to the reading of displacement transducer synchronous, and the stability of multi-cylinder synchronous control accuracy height and system is high.The automaticity height.Under the normal condition, whole work period is finished automatically, and carries out prompt functions, and operation is pointed out and given warning in advance.Because working connection has adopted electro-hydraulic proportion reversing valve, can realize the crawl low-speed handing for the single pile control in control of stake limit and the centralized Control.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is of the present invention from the hydraulic schematic diagram that the specific embodiment of production platform hydraulic lifting system is installed.
1. main oil pump motor groups among the figure, 2. electromagnetic relief valve group, 3. electro-hydraulic proportion reversing valve, 4. import equalizing valve group, 5. hydraulic cylinder, 6. control pump motor unit, 7. pressure transmitter, 8. fuel tank, 9. outlet equalizing valve group.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
The specific embodiment that the production platform hydraulic lifting system is installed certainly of the present invention as shown in Figure 1, have 16 hydraulic cylinders 5, hydraulic control system and electrical control system, hydraulic control system has the main oil pump motor group 1 that 5 covers interconnect, the electromagnetic relief valve group 2 of 5 covers, 4 cover electro-hydraulic proportion reversing valves 3, the outlet equalizing valve group 9 of the import equalizing valve group 4 of 16 cover locking usefulness and 16 cover locking usefulness, the control pump motor unit 6 of 2 cover control electro-hydraulic proportion reversing valves and 38 pressure transmitters 7 of the whole hydraulic system each several part pressure of monitoring, 5 cover main oil pump motor groups 1 are 4 work, 1 standby, the control motor unit 6 of 2 cover control electro-hydraulic proportional valves is standby each other, electrical control system has hydraulic cylinder travel checkout gear and programmable controller PLC, every cover main oil pump motor group 1 links to each other with a cover electromagnetic relief valve group 2 hydraulic fluid ports by pipeline road, 3 imports linked to each other with 4 cover electro-hydraulic proportion reversing valves respectively after each main oil pump motor group 1 merged into a main pipeline road, every cover electro-hydraulic proportion reversing valve 3 outlets are divided into 4 the tunnel by pipeline road, every road connects a cover import equalizing valve 4 backs and links to each other with the cavity of resorption hydraulic fluid port of a hydraulic cylinder 5, the epicoele hydraulic fluid port of every hydraulic cylinder 5 connects a cover outlet equalizing valve 4,4 the tunnel connect the outlet of this cover electro-hydraulic proportion reversing valve 3 after converging, the outlet of 4 cover electro-hydraulic proportion reversing valves 3 converges to total oil return pipe of a logical fuel tank 8, control pump motor unit 6 is connected with the control port of 4 cover electro-hydraulic proportion reversing valves 3 respectively by pipeline road, the hydraulic cylinder travel checkout gear has sensor, sensor is arranged in the hydraulic cylinder 5, sensor is connected with programmable logic controller PLC, and programmable logic controller PLC is connected with electro-hydraulic proportion reversing valve 3.
Claims (4)
1. one kind the production platform hydraulic lifting system is installed certainly, have 16 hydraulic cylinders (5), hydraulic control system and electrical control system, it is characterized in that: hydraulic control system has the main oil pump motor group (1) that some covers interconnect, electromagnetic relief valve group (2) with main oil pump motor group equivalent amount, 4 cover electro-hydraulic proportion reversing valves (3), the outlet equalizing valve group (4) of the import equalizing valve group (4) of 16 cover locking usefulness and 16 cover locking usefulness, the pressure transmitter (7) of the control pump motor unit (6) of control electro-hydraulic proportion reversing valve and the whole hydraulic system each several part pressure of monitoring, electrical control system has hydraulic cylinder travel checkout gear and programmable controller PLC, every cover main oil pump motor group (1) links to each other with cover electromagnetic relief valve group (a 2) hydraulic fluid port by pipeline road, each main oil pump motor group (1) links to each other with 4 cover electro-hydraulic proportion reversing valve (3) imports respectively after merging into a main pipeline road, every cover electro-hydraulic proportion reversing valve (3) outlet is divided into 4 the tunnel by pipeline road, every road connects cover import equalizing valve (a 4) back and links to each other with the cavity of resorption hydraulic fluid port of a hydraulic cylinder (5), the epicoele hydraulic fluid port of every hydraulic cylinder (5) connects a cover outlet equalizing valve (4), 4 the tunnel connect the outlet of this cover electro-hydraulic proportion reversing valve (3) after converging, the outlet of 4 cover electro-hydraulic proportion reversing valves (3) converges to total oil return pipe of a logical fuel tank (8), control pump motor unit (6) is connected with the control port of 4 cover electro-hydraulic proportion reversing valves (3) respectively by pipeline road, the hydraulic cylinder travel checkout gear has sensor, sensor is arranged in the hydraulic cylinder (5), sensor is connected with programmable logic controller PLC, and programmable logic controller PLC is connected with electro-hydraulic proportion reversing valve (3).
2. according to claim 1 from the production platform hydraulic lifting system is installed, it is characterized in that: described main oil pump motor group (1) has 5 covers.
3. according to claim 1 from the production platform hydraulic lifting system is installed, it is characterized in that: described control pump motor unit (6) has 2 covers, and 2 cover control pump motor unit (6) are standby each other.
4. according to claim 1 from the production platform hydraulic lifting system is installed, it is characterized in that: described sensor is the stay-supported displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196872 CN102011387A (en) | 2010-06-05 | 2010-06-05 | Hydraulic lifting system with self-installed oil production platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010196872 CN102011387A (en) | 2010-06-05 | 2010-06-05 | Hydraulic lifting system with self-installed oil production platform |
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| CN102011387A true CN102011387A (en) | 2011-04-13 |
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| CN 201010196872 Pending CN102011387A (en) | 2010-06-05 | 2010-06-05 | Hydraulic lifting system with self-installed oil production platform |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400455A (en) * | 2011-11-24 | 2012-04-04 | 武汉船用机械有限责任公司 | Emergency controller for lifting ocean platform |
| CN102400454A (en) * | 2011-11-11 | 2012-04-04 | 武汉船用机械有限责任公司 | Automatic control method and device for lifting ocean platform |
| CN102747721A (en) * | 2012-07-05 | 2012-10-24 | 南通中远船务工程有限公司 | Hydraulic transmission control unit of self-elevating-type marine platform pile leg |
| CN102979070A (en) * | 2012-11-23 | 2013-03-20 | 武汉船用机械有限责任公司 | Motor system for lifting ocean platform and load unbalance monitoring and controlling method of motor system |
| CN103122879A (en) * | 2013-02-21 | 2013-05-29 | 武汉船用机械有限责任公司 | Hydraulic plug pin type oil cylinder jacking system |
| CN103850236A (en) * | 2014-01-21 | 2014-06-11 | 武汉船用机械有限责任公司 | Gear rack type platform ascending and descending system |
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
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| FR2753466A1 (en) * | 1996-09-19 | 1998-03-20 | Brissonneau & Lotz | Powered lifting drive for marine platforms |
| US20050260040A1 (en) * | 2001-04-16 | 2005-11-24 | Ingle James E | Mobile wind-driven electric generating systems and method and apparatus |
| CN2885935Y (en) * | 2006-03-10 | 2007-04-04 | 常州液压成套设备厂有限公司 | Double hanging-point arc gate hydraulic headstock gear |
| CN101033758A (en) * | 2006-03-10 | 2007-09-12 | 常州液压成套设备厂有限公司 | Synchronous control device of hydraulic headstock gear |
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| CN201722676U (en) * | 2010-06-05 | 2011-01-26 | 常州液压成套设备厂有限公司 | Hydraulic lifting system of self-installing oil production platform |
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2010
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| FR2753466A1 (en) * | 1996-09-19 | 1998-03-20 | Brissonneau & Lotz | Powered lifting drive for marine platforms |
| US20050260040A1 (en) * | 2001-04-16 | 2005-11-24 | Ingle James E | Mobile wind-driven electric generating systems and method and apparatus |
| CN2885935Y (en) * | 2006-03-10 | 2007-04-04 | 常州液压成套设备厂有限公司 | Double hanging-point arc gate hydraulic headstock gear |
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| CN200949022Y (en) * | 2006-07-03 | 2007-09-19 | 杭州花园机电设备有限公司 | Helical flute hydraulic positive rope discharging device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400454A (en) * | 2011-11-11 | 2012-04-04 | 武汉船用机械有限责任公司 | Automatic control method and device for lifting ocean platform |
| CN102400454B (en) * | 2011-11-11 | 2013-09-04 | 武汉船用机械有限责任公司 | Automatic control method and device for lifting ocean platform |
| CN102400455A (en) * | 2011-11-24 | 2012-04-04 | 武汉船用机械有限责任公司 | Emergency controller for lifting ocean platform |
| CN102747721A (en) * | 2012-07-05 | 2012-10-24 | 南通中远船务工程有限公司 | Hydraulic transmission control unit of self-elevating-type marine platform pile leg |
| CN102747721B (en) * | 2012-07-05 | 2014-09-17 | 南通中远船务工程有限公司 | Hydraulic transmission control unit of self-elevating-type marine platform pile leg |
| CN102979070A (en) * | 2012-11-23 | 2013-03-20 | 武汉船用机械有限责任公司 | Motor system for lifting ocean platform and load unbalance monitoring and controlling method of motor system |
| CN102979070B (en) * | 2012-11-23 | 2014-08-13 | 武汉船用机械有限责任公司 | Motor system for lifting ocean platform and load unbalance monitoring and controlling method of motor system |
| CN103122879A (en) * | 2013-02-21 | 2013-05-29 | 武汉船用机械有限责任公司 | Hydraulic plug pin type oil cylinder jacking system |
| CN103122879B (en) * | 2013-02-21 | 2015-07-29 | 武汉船用机械有限责任公司 | A kind of hydraulic bolt formula oil cylinder elevating system |
| CN103850236A (en) * | 2014-01-21 | 2014-06-11 | 武汉船用机械有限责任公司 | Gear rack type platform ascending and descending system |
| CN103850236B (en) * | 2014-01-21 | 2015-11-04 | 武汉船用机械有限责任公司 | Pinion and-rack platform hoist system |
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
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Application publication date: 20110413 |