CN202519711U - Stress real-time detection device for pile leg of self-elevating offshore platform - Google Patents
Stress real-time detection device for pile leg of self-elevating offshore platform Download PDFInfo
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- CN202519711U CN202519711U CN2012200378596U CN201220037859U CN202519711U CN 202519711 U CN202519711 U CN 202519711U CN 2012200378596 U CN2012200378596 U CN 2012200378596U CN 201220037859 U CN201220037859 U CN 201220037859U CN 202519711 U CN202519711 U CN 202519711U
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Abstract
The utility model relates to a stress real-time detection device for a pile leg of a self-elevating offshore platform. The detection device comprises display equipment, a database server, a central acquisition terminal, a wireless connector, a gear shaft, a special-purpose data acquisition terminal for a channel power gear, conducting wires and a foil gauge, wherein the foil gauge is pasted at a gear shaft component of a gear rack lifting system of a drilling platform; protective rubber dough is fixed on the outer side of the foil gauge; EMC aluminum foil coats the foil gauge and the outer layers of conducting wires nearby; the special-purpose data acquisition terminal for the channel power gear is fixed on the gear shaft and rotates simultaneously with gears; and the special-purpose data acquisition terminal for the channel power gear is connected with the foil gauge through the conducting wires, and detects changes of loads of the drilling platform through software in real time. The detecting device can detect the changes of loads of the platform in real time, give instructions on the safe operation of the platform, analyze data results, master various data of load changes when the platform carries out pile pulling, lifting, preballasting, drilling and the like, and give early alarms on the safety of the platform.
Description
Technical field
The utility model invention relates to a kind of apparatus for testing mechanical, especially a kind of self-elevating ocean platform spud leg stress real-time detection apparatus.
Background technology
At present; China's self-elevating ocean platform accounts for about 40% of total platform number, and the most enlistment age is more than 20 years, along with the development and the requirement of marine drilling technology and drilling well new technology; Many facilities have been increased; Platform is seriously overweight, and some old-fashioned self-elevating drilling platforms itself do not have configuration to carry out the equipment of real-time detection platform load change specially, mainly leans on estimated value and experience to come to understand substantially the platform load situation.In the prior art, for example 2010 the 12nd phases the 39th were rolled up " oil field equipment ", and " jack-up unit rack-and-pinion jacking system force analysis ", Fan Dunqiu, Cui Xijun, Cao Yuguang writes.Adopt the method for finite element analysis, from the spud leg internal force analysis, research rack-and-pinion elevating mechanism is stressed; The document is a model with three spud leg jack-up units; Analyzed the stressing conditions of each spud leg under deadweight, changing load and wind load acting in conjunction, can simply calculate the stressed size of spud leg through finite element analysis, but big for platform field environmental change property; Unstability is strong; Receive significantly characteristics of ectocine, only depend on prior art comparatively true, perfect, effectively not obtain analyzing data, error is bigger.In addition; " Analysis of Wave Loads Acted on Jack-up Platform " that hero Liu of Harbin Engineering University in 2004 writes; Mainly be through corresponding computer software; In conjunction with the method for finite element analysis, analyzed the active force of marine wave to platform leg, with Stokes wave theory the suffered seaway load of ocean platform is carried out analytical calculation.With the complete program of high-level [computer establishment one cover; Suffered wave force and the corresponding moment of platform leg of having used Stokes three rank ripples and five rank ripple Theoretical Calculation respectively; Draw the situation of change of wave force with the depth of water and phase place, and the suffered highest wave power of single spud leg.Only provide the method for the suffered seaway load of a kind of analysis platform spud leg, do not form the feasible specific embodiments of a cover.Less than concrete field conduct not being considered and being proved, do not form the feasible specific embodiments of a cover.The carrying of general self lift type offshore drilling platform detects, and is at each driving gearshaft one end load cell to be installed, and gear is born weight transmit with analog signals, again result of calculation is passed to the up-down console with communication modes, is presented on the screen.Itself do not have the special data acquisition unit that is applicable to power gear, transmit wired mode inconvenient operation through analog signals; Circuit at sea is prone to be damaged under the adverse circumstances; The testing result accuracy descends, and free of data library storage equipment is not enough to the storage and the analysis ability of data.
Summary of the invention
The purpose of the utility model provides a kind of self-elevating ocean platform spud leg stress real-time detection apparatus, overcomes the deficiency of prior art, and various state load change when grasping the great operation of platform at any time prevent overweight and overburden operation.
The utility model purpose is achieved in that self-elevating ocean platform spud leg stress real-time detection apparatus, comprises that display device, database server, center acquisition terminal, wireless connections, gear shaft, passage power gear exclusive data acquisition terminal, lead, foil gauge protection rubber cement, electromagnetic shielding aluminium foil form.Foil gauge is mounted on offshore boring island rack-and-pinion jacking system gear shaft assembly place, and the protection rubber cement is fixed in the foil gauge outside, and the electromagnetic shielding Aluminium Foil Package overlays on the skin of foil gauge and environs lead; 8 passage power gear exclusive data acquisition terminals are fixed on the gear shaft; Rotate synchronously with gear, be connected with foil gauge, the center acquisition terminal through lead; At most can with 20 8 passage power gear exclusive data acquisition terminals; Adopt the wireless connections mode to be connected, carry out the data wireless transmission, set up whole detection system LAN with the transmission means of wireless self-networking.Center acquisition terminal and 8 passage power gear exclusive data acquisition terminals adopt wireless connections to come image data, and database server connects the center acquisition terminal, and the storage disposal data also is connected with display device.The paste position of foil gauge axially becomes 45 ° with gear shaft, and affixed points is every axle with 120 ° three points of being mutually in cross section, through software the offshore boring island load change is detected in real time.
The utility model compared with prior art; Have self-elevating ocean platform spud leg stress is carried out real-time detection function; Jack-up unit spud leg stress is detected in real time, and the load change situation of each state when grasping the great operation of platform at any time shows in real time and stores data.Various states in the time of can grasping the great operation of platform at any time, as pile pulling, up-down, precompressed carry, load change such as drilling well, prevent overweight and overburden operation.This has extremely important realistic meaning to guaranteeing the safe handling of military service jack-up unit for many years.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the utility model foil gauge and acquisition terminal positional structure sketch map.
Among the figure, 1 is display device, and 2 is database server, and 3 is the center acquisition terminal, and 4 are wireless connections, and 5 is gear shaft, and 6 is 8 passage power gear exclusive data acquisition terminals, and 7 is lead, and 8 is foil gauge, and 9 are the protection rubber cement, and 10 is the electromagnetic shielding aluminium foil.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.As shown in the figure; Self-elevating ocean platform spud leg stress real-time detection apparatus comprises display device (1), database server (2), center acquisition terminal (3), wireless connections (4), gear shaft (5), 8 passage power gear exclusive data acquisition terminals (6), lead (7), foil gauge (8), protects rubber cement (9), electromagnetic shielding aluminium foil (10) to form.Foil gauge (8) is mounted on offshore boring island rack-and-pinion jacking system gear shaft (5) assembly place; Protection rubber cement (9) is fixed in foil gauge (8) outside; Electromagnetic shielding aluminium foil (10) is coated on the skin of foil gauge (8) and environs lead (7); 8 passage power gear exclusive data acquisition terminals (6) are fixed on the gear shaft (5), rotate synchronously with gear, through lead (7) and foil gauge (8) connection mutually.Center acquisition terminal (3) and 8 passage power gear exclusive data acquisition terminals (6) adopt wireless connections (4) to come image data, and database server (2) connects center acquisition terminal (3), and the storage disposal data also is connected with display device (1).The paste position of foil gauge (8) axially becomes 45 ° with gear shaft (5), and affixed points is every axle with 120 ° three points of being mutually in cross section, through software the offshore boring island load change is detected in real time.
Sensitive number K is identical for foil gauge (8), and electrical resistance wire grid amorphism defective, no bubble, mildew, rust spot in the sheet, and with one group of strain meter of temperature-compensating, resistance differs and is no more than ± and 0.5.The paste position of foil gauge (8) with axially become 45 °, and affixed points is an every axle with 120 ° three points of being mutually in cross section.The patch location smooth, foil gauge (8) is combined rapidly with gear shaft by fast binder.Foil gauge (8) possesses the IP67 degree of protection, has the not available waterproof and dampproof salt fog performance of putting of common foil gauge, and its form of structure, certainty of measurement, protection class and suitable environment etc. are fit to the application of offshore drilling platform spud leg stress real-time system very much.After foil gauge (8) is pasted correctly, adopt protection rubber cement (9), electromagnetic shielding aluminium foil (10), satisfy the needs of marine adverse circumstances specially and prevent electromagnetic interference.8 passage power gear exclusive data acquisition terminals (6) are specifically designed to the stress monitoring of power gear, are fit to marine particular surroundings requirement, and high-frequency, multichannel, certainty of measurement height are accomplished real-time data acquisition function.
Gear shaft (5) and stake tooth engaged transmission, platform weight mainly concentrates on the spud leg, and the engagement force side has been reflected on the torsional deformation of gear shaft (5), can measure through going up the method for pasting foil gauge (8) at gear shaft (5).There is not bending in gear shaft (a 5) transfer torque, and the axle stress is pure shear.The paste position of foil gauge (8) is to become 45 ° with axial, and the affixed points of foil gauge (8) is elected be mutually 120 ° three points of every axle with the cross section as.
The protection rubber cement is to be applicable to that outdoor difference variation is big, humidity, weathering, the special material of the grade of salt air corrosion.Under the adverse circumstances, play protective effect at sea to the detection system foil gauge.The protection rubber cement adopts waterproof, protection against the tide, anti-salt fog, weather resistance, corrosion resistant special rubber materials to process.Be connected with the foil gauge that mounts (8), can be real-time, accurately must collect survey data.Communication modes of the present invention adopts wireless self-networking, measures at least once every day or measures repeatedly, and every passage can be measured the data that were not less than 20 months.
Center acquisition terminal (3), at most can with 20 8 passage power gear exclusive data acquisition terminals (6), adopt wireless connections (4) mode to be connected.Carry out the data wireless transmission with the transmission means of wireless self-networking, set up whole detection system LAN.Can grasp the stressed distribution of the stressing conditions and the platform of platform in real time, platform critical component and position are detected.
The utility model is the detection platform load change in real time, instructs the platform safety operation, analyzes data result, various state load change data during operations such as the pile pulling of grasp platform, up-down, precompressed are carried, drilling well, platform safety early warning.
Claims (3)
1. self-elevating ocean platform spud leg stress real-time detection apparatus; Comprise that display device (1), database server (2), center acquisition terminal (3), wireless connections (4), gear shaft (5), passage power gear exclusive data acquisition terminal (6), lead (7), foil gauge (8) form; It is characterized in that foil gauge (8) is mounted on offshore boring island rack-and-pinion jacking system gear shaft (5) assembly place; The protection rubber cement is fixed in foil gauge (8) outside; Aluminium Foil Package overlays on the skin of foil gauge (8) and environs lead (7); Passage power gear exclusive data acquisition terminal (6) is fixed on the gear shaft (5), rotates synchronously with gear, through lead (7) and foil gauge (8) connection mutually.
2. self-elevating ocean platform spud leg stress real-time detection apparatus according to claim 1; It is characterized in that center acquisition terminal (3) and 8 passage power gear exclusive data acquisition terminals (6); Adopt the wireless connections (4) of wireless self-networking to come image data; Database server (2) connects center acquisition terminal (3), and the storage disposal data also is connected with display device (1).
3. self-elevating ocean platform spud leg stress real-time detection apparatus according to claim 1 is characterized in that the paste position of foil gauge (8) axially becomes 45 ° with gear shaft (5), and affixed points is an every axle with 120 ° three points of being mutually in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200378596U CN202519711U (en) | 2012-01-20 | 2012-01-20 | Stress real-time detection device for pile leg of self-elevating offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200378596U CN202519711U (en) | 2012-01-20 | 2012-01-20 | Stress real-time detection device for pile leg of self-elevating offshore platform |
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| CN202519711U true CN202519711U (en) | 2012-11-07 |
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| CN2012200378596U Expired - Lifetime CN202519711U (en) | 2012-01-20 | 2012-01-20 | Stress real-time detection device for pile leg of self-elevating offshore platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998083A (en) * | 2012-11-30 | 2013-03-27 | 大连船舶重工集团有限公司 | Method for obtaining platform actual wind load through self-elevating drilling platform wind tunnel test |
| CN103217236A (en) * | 2012-01-20 | 2013-07-24 | 中国石油化工股份有限公司 | Self-elevating ocean platform spud leg stress real-time detection device |
| CN103293000A (en) * | 2013-05-24 | 2013-09-11 | 东营市胜软石油技术开发有限公司 | Multi-motor detection device of elevating system of self-elevating drilling platform and application method |
| CN103803016A (en) * | 2012-11-09 | 2014-05-21 | 大连船舶重工集团有限公司 | Method of determining wind load of self-elevating drilling platform |
| CN108801506A (en) * | 2018-01-15 | 2018-11-13 | 中交第三航务工程局有限公司 | Semi-submersible type bottom platform stress safety prewarning monitoring system and method |
-
2012
- 2012-01-20 CN CN2012200378596U patent/CN202519711U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217236A (en) * | 2012-01-20 | 2013-07-24 | 中国石油化工股份有限公司 | Self-elevating ocean platform spud leg stress real-time detection device |
| CN103803016A (en) * | 2012-11-09 | 2014-05-21 | 大连船舶重工集团有限公司 | Method of determining wind load of self-elevating drilling platform |
| CN102998083A (en) * | 2012-11-30 | 2013-03-27 | 大连船舶重工集团有限公司 | Method for obtaining platform actual wind load through self-elevating drilling platform wind tunnel test |
| CN102998083B (en) * | 2012-11-30 | 2016-02-03 | 大连船舶重工集团有限公司 | The method of the actual wind load of platform is obtained by self-elevating drilling platform wind tunnel test |
| CN103293000A (en) * | 2013-05-24 | 2013-09-11 | 东营市胜软石油技术开发有限公司 | Multi-motor detection device of elevating system of self-elevating drilling platform and application method |
| CN103293000B (en) * | 2013-05-24 | 2016-01-20 | 东营市胜软石油技术开发有限公司 | The application process of lifting system of self-lifting well drilling platform multi-motor pick-up unit |
| CN108801506A (en) * | 2018-01-15 | 2018-11-13 | 中交第三航务工程局有限公司 | Semi-submersible type bottom platform stress safety prewarning monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150929 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: SINOPEC Shengli Offshore Drilling Company |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |