CN106871967A - A kind of crown-block heave compensator monitoring device and its scheme - Google Patents
A kind of crown-block heave compensator monitoring device and its scheme Download PDFInfo
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- CN106871967A CN106871967A CN201710195370.9A CN201710195370A CN106871967A CN 106871967 A CN106871967 A CN 106871967A CN 201710195370 A CN201710195370 A CN 201710195370A CN 106871967 A CN106871967 A CN 106871967A
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- connecting rod
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- heave compensator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a kind of crown-block heave compensator monitoring system and its method, including：1 position sensor unit：Lower support bar (1), the laser distance sensor (2) being installed on the upside of lower support bar (1), upper support frame (3), the laser distance sensor reflection unit (4) that is installed on the downside of upper support frame (3)；2 pressure speed sensor units：Axle (7) that rotating disk (5), connecting rod rocking handle (6) are connected with rotating disk (5), the axial pressure sensor (8), mistor speed probe (9), mistor speed probe component (10) that are placed in the middle of axle (7)；3 connecting rod stress-strain measurement units：Connecting rod (11), fiber-optic grating sensor (12), heat-shrink tube (13), the potting resin (14) that is wrapped on fiber-optic grating sensor (12)；4 data processing memory cell.It is an advantage of the invention that on the basis of original heave compensator structure is not changed, using the installation method install sensor of adhesive type, original structure performance is not destroyed, simple to operation, certainty of measurement is high, safeguards simple and convenient.
Description
Technical field
The present invention relates to a kind of drilling platforms heave compensator monitoring device and its scheme
Background technology
Heave compensator is the important composition of marine drilling platform well system, by the heave movement to floating overhead traveling crane
Compensation, keeps the heave movement of drilling rod to fluctuate within the specific limits, stabilization Bottom Hole Bit Weight In A, it is ensured that drillng operation is normally carried out.With
As a example by crown-block heave compensator, when heave compensator works, tourist bus carries hook and continually moves up and down, in moving process
Relatively connecting rod, bearing, pulley also can be moved correspondingly.The motion of long term frequent ground can make mechanical structure produce fatigue, mistake unavoidably
Degree flexing is even damaged, and greatly affected the security of platform operations.Meanwhile, for the ease of improvement and the liter of related system
Level, it is necessary to which the motion state to heave compensation system is observed.Therefore a kind of monitoring system is needed to complete to mend heave
Repay the monitoring of mechanics, kinematics, dynamics, the structure of device etc..
The content of the invention
It is an object of the invention to provide a kind of crown-block heave compensator monitoring system and its method, mended by heave
The monitoring of associated components in system is repaid, with reference to related data, is analyzed, obtain the stress and strained situation of whole system, from
And assessment is made to the security of system, ensure the safety of platform operations.
The present invention is realized by following scheme：A kind of crown-block heave compensator monitoring system, it is characterised in that:1
Put sensor unit：Lower support bar, the laser distance sensor being installed on the upside of lower support bar, upper support frame, it is installed on branch
Laser distance sensor reflection unit on the downside of support；2 pressure-speed sensor unit：Rotating disk, connecting rod rocking handle and rotating disk phase
Axle even, axial pressure sensor, mistor speed probe, the mistor speed probe auxiliary section being placed in the middle of axle
Part；3 connecting rod stress-strain measurement units：Connecting rod, fiber-optic grating sensor, heat-shrink tube, it is wrapped on fiber-optic grating sensor
Potting resin；4 data processing memory cell；
Described lower bracing frame is fixed on overhead traveling crane and derrick；Upper support frame is connected with heave compensation hydraulic cylinder, with tourist bus,
Hook is moved up and down together.
Described laser distance sensor is installed on lower support bar upside, and laser distance sensor reflection unit is installed on
Support frame downside, two corresponding installations of device.
Four rectangular enclosures of described axial pressure sensor internal are in four direction array distributions, pressure sensor point four
Individual direction is installed in four rectangular enclosures, is fixed using chock.
Described mistor speed probe is installed on the outside of the axle being connected with rotating disk, mistor speed probe
Component is installed on the inner side that connecting rod rocking handle is engaged with axle, and the rotating speed for measuring wheel disc is mutually shifted between two devices.
Described fiber-optic grating sensor is uniformly distributed in the four direction of connecting rod, avoids being contaminated using resin parcel
Or damage, recycle heat-shrink tube to wrap up whole connecting rod, further reinforce.
A kind of method of described crown-block heave compensator monitoring system, it is comprised the following steps：
1 position sensor unit is comprised the following steps：
S1, laser distance sensor is installed on lower support bar does not influence the correct position of compensation system；
S2, laser distance sensor reflection unit is installed on upper support frame position corresponding with laser distance sensor
Put；
S3, sensor is connected to data processing memory cell, return-to-zero is carried out to sensor with simulation by measurement.
2 pressure-speed sensor unit is comprised the following steps：
S1, pressure sensor is installed in four cavitys in axle center, and is fixed with chock, four sensors are measured respectively
The pressure of four direction, constitutes axial pressure sensor, and attach it in the middle of axle；
S2, the relevant position that associated linkages rocking handle, axle, axial pressure sensor are installed to system；
S3, the mistor speed probe on the outside of axle is pasted, and the mistor in the stickup of connecting rod rocking handle inner ring
Speed probe component, and then measure wheel disc rotating speed；
S4, sensor is connected to data processing memory cell, by measurement with simulation to axial pressure sensor, magnetosensitive
Resistance speed probe does return-to-zero.
3 connecting rod stress-strain measurement units are comprised the following steps：
S1, fiber-optic grating sensor is pasted on the four direction of connecting rod, is pasted along connecting rod, length and length of connecting rod phase
When；
S2, fiber-optic grating sensor is wrapped up with potting resin, and whole connecting rod is wrapped up with heat-shrink tube, fixed fiber grating is passed
Sensor；
S3, fiber-optic grating sensor exit is connected to demodulator, transmits a signal to data processing memory cell, led to
Measurement and simulation are crossed, return-to-zero is done to sensor.
4 data processing memory cell are comprised the following steps：
S1, the distance that upper support frame, lower support bar are calculated according to the information of laser distance sensor, by heave compensation
The analysis of system rigidity structure obtains the instant form of system；
S2, the data measured according to axial pressure sensor, by the mechanical property for calculating dependency structure；
S3, the instant form according to system in the metrical information combination S1 of mistor speed probe, calculate each
The rotating speed of rotating disk；S4, according to every group of information of fiber-optic grating sensor, by model analysis, carry out data processing, calculate
The every strained situation of connecting rod, and calculate the stress situation of connecting rod；
S5, with reference to all of result of calculation, the security to heave compensator makes assessment.
The present invention has advantages below：On the basis of original heave compensator structure is not changed, using adhesive type
Installation method install sensor, original structure performance is not destroyed, and simple to operation, certainty of measurement is high, and feedback is instant, safeguards simple
It is convenient.
Brief description of the drawings
Fig. 1 is structural representation of the invention, including partial enlarged drawing and the removal sectional drawing of connecting rod at wheel shaft.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings
Such as Fig. 1, a kind of crown-block heave compensator monitoring system, it is characterised in that:1 position sensor unit：Lower support
Bar (1), the laser distance sensor (2) being installed on the upside of lower support bar (1), upper support frame (3), it is installed on upper support frame (3)
The laser distance sensor reflection unit (4) of downside；2 pressure-speed sensor unit：Rotating disk (5), connecting rod rocking handle (6) and turn
The connected axle (7) of disk (5), the axial pressure sensor (8), mistor speed probe (9), the magnetosensitive that are placed in the middle of axle (7)
Resistance speed probe component (10)；3 connecting rod stress-strain measurement units：Connecting rod (11), fiber-optic grating sensor (12),
Heat-shrink tube (13), the potting resin (14) being wrapped on fiber-optic grating sensor (12), resin avoid fiber-optic grating sensor quilt
Pollution is damaged, the further reinforcement protection of heat-shrink tube；4 data processing memory cell, data processing unit receives from each biography
The information of sensor, by calculating the relevant parameter of system, and security to system makes assessment.
Laser distance sensor (2) is installed on lower support bar (1) upside, and laser distance sensor reflection unit (4) is installed
In upper support frame (3) downside, lower side senser is maintained static and avoids circuit from damaging.
As shown in partial enlarged drawing in Fig. 1：Four internal rectangular enclosures of described axial pressure sensor (8) are in four directions
To array distribution, pressure sensor point four direction is installed in four rectangular enclosures, is fixed using chock.
Mistor speed probe (9) is installed on axle (7) outside being connected with rotating disk (5), mistor revolution speed sensing
Device component (10) is installed on the inner side that connecting rod rocking handle (6) is engaged with axle, and stream oriented device installation site is corresponding.
As removed shown in sectional drawing in Fig. 1：Fiber-optic grating sensor (12) is uniformly distributed in the four direction of connecting rod (11),
Fixed by way of resin is filled, heat-shrink tube is wrapped up
A kind of method of described crown-block heave compensator monitoring system, it is comprised the following steps：
1 position sensor unit is comprised the following steps：
S1, laser distance sensor (2) is installed on lower support bar (1) does not influence the correct position of compensation system；
S2, laser distance sensor reflection unit (4) is installed on upper support frame (3) and laser distance sensor (2)
Corresponding position；
S3, sensor is connected to data processing memory cell, return-to-zero is carried out to sensor with simulation by measurement.
2 pressure-speed sensor unit is comprised the following steps：
S1, pressure sensor is installed in four cavitys in axle center, and is fixed with chock, four sensors are measured respectively
The pressure of four direction, constitutes axial pressure sensor (8), and attach it in the middle of axle (7)；
S2, the relevant position that associated linkages rocking handle (6), axle (7), axial pressure sensor (8) are installed to system；
S3, upper mistor speed probe (9) of outside stickup in axle (7), and in the stickup of connecting rod rocking handle (6) inner ring
Mistor speed probe component (10)；
S4, sensor is connected to data processing memory cell, by measurement and simulation to axial pressure sensor (8),
Mistor speed probe (9) does return-to-zero.
3 connecting rod stress-strain measurement units are comprised the following steps：
S1, fiber-optic grating sensor (12) is pasted on the four direction of connecting rod (11), is pasted along connecting rod, length and company
Pole length is suitable；
S2, fiber-optic grating sensor (12) is wrapped up with potting resin (14), and with heat-shrink tube (13) the whole connecting rod of parcel
(11), fixed fiber-optic grating sensor (12)；
S3, fiber-optic grating sensor (12) exit is connected to demodulator, transmits a signal to data processing storage single
Unit, by measurement and simulation, return-to-zero is done to sensor.
4 data processing memory cell are comprised the following steps：
S1, the distance that upper support frame (3), lower support bar (1) are calculated according to the information of laser distance sensor (2), pass through
Analysis to heave compensation system rigid structure obtains the instant form of system；
S2, the data measured according to axial pressure sensor (8), by the mechanical property for calculating dependency structure；
S3, the instant form according to system in the relevant information combination S1 of mistor speed probe (9), calculate every
The rotating speed of individual rotating disk (5)；
S4, according to every group of information of fiber-optic grating sensor (12), by calculating the every strained situation of connecting rod, and
Calculate the stress situation of connecting rod；
S5, with reference to all of result of calculation, the security to heave compensator makes assessment.
Claims (7)
1. a kind of crown-block heave compensator monitoring system, it is characterised in that：1 position sensor unit：Lower support bar (1), peace
Loaded on the laser distance sensor (2) on the upside of lower support bar (1), upper support frame (3), it is installed on swashing on the downside of upper support frame (3)
Electrical distance sensor reflection unit (4)；2 pressure-speed sensor unit：Rotating disk (5), connecting rod rocking handle (6) and rotating disk (5) phase
Axle (7) even, the axial pressure sensor (8), mistor speed probe (9), the mistor rotating speed that are placed in the middle of axle (7)
Sensor component (10)；3 connecting rod stress-strain measurement units：Connecting rod (11), fiber-optic grating sensor (12), heat-shrink tube
(13), it is wrapped in the potting resin (14) on fiber-optic grating sensor (12)；4 data processing memory cell.
2. a kind of crown-block heave compensator monitoring system according to claim 1 it is characterized in that：Laser distance is sensed
Device (2) is installed on lower support bar (1) upside, and laser distance sensor reflection unit (4) is installed on upper support frame (3) downside.
3. a kind of crown-block heave compensator monitoring system according to claim 1 it is characterized in that：Described axle center pressure
Four internal rectangular enclosures of force snesor (8) are in four direction array distributions, and pressure sensor point four direction is installed on four
In rectangular enclosure, fixed by chock.
4. a kind of crown-block heave compensator monitoring system according to claim 1 it is characterized in that：Mistor rotating speed
Sensor (9) is installed on axle (7) outside being connected with rotating disk (5).
5. a kind of crown-block heave compensator monitoring system according to claim 1 it is characterized in that：Mistor rotating speed
Sensor component (10) is installed on the inner side that connecting rod rocking handle (6) is engaged with axle.
6. a kind of crown-block heave compensator monitoring system according to claim 1 it is characterized in that：Optical fiber grating sensing
Device (12) is uniformly distributed in the four direction of connecting rod (11), is fixed by way of resin is filled, heat-shrink tube is wrapped up.
7. the method for a kind of crown-block heave compensator monitoring system according to claim 1-6, it is characterised in that：It is wrapped
Include following steps：
1 position sensor unit is comprised the following steps：
S1, laser distance sensor (2) is installed on lower support bar (1) does not influence the correct position of compensation system；
S2, laser distance sensor reflection unit (4) is installed on it is corresponding with laser distance sensor (2) on upper support frame (3)
Position；
S3, sensor is connected to data processing memory cell, return-to-zero is carried out to sensor with simulation by measurement.
2 pressure-speed sensor unit is comprised the following steps：
S1, pressure sensor is installed in four cavitys in axle center, and is fixed with chock, four sensors measure four respectively
The pressure in direction, constitutes axial pressure sensor (8), and attach it in the middle of axle (7)；
S2, the relevant position that associated linkages rocking handle (6), axle (7), axial pressure sensor (8) are installed to system；
S3, upper mistor speed probe (9) of outside stickup in axle (7), and paste upper magnetosensitive in connecting rod rocking handle (6) inner ring
Resistance speed probe component (10)；
S4, sensor is connected to data processing memory cell, by measurement with simulation to axial pressure sensor (8), magnetosensitive
Resistance speed probe (9) does return-to-zero.
3 connecting rod stress-strain measurement units are comprised the following steps：
S1, fiber-optic grating sensor (12) is pasted on the four direction of connecting rod (11), is pasted along connecting rod, length and length of connecting rod
Degree is suitable；
S2, fiber-optic grating sensor (12) is wrapped up with potting resin (14), and with heat-shrink tube (13) the whole connecting rod (11) of parcel, Gu
Determine fiber-optic grating sensor (12)；
S3, fiber-optic grating sensor (12) exit is connected to demodulator, transmits a signal to data processing memory cell, led to
Measurement and simulation are crossed, return-to-zero is done to sensor；
4 data processing memory cell are comprised the following steps：
S1, the distance that upper support frame (3), lower support bar (1) are calculated according to the information of laser distance sensor (2), by rising
The analysis of heavy compensation system rigid structure obtains the instant form of system；
S2, the data measured according to axial pressure sensor (8), by the mechanical property for calculating dependency structure；
S3, the instant form according to system in the relevant information combination S1 of mistor speed probe (9), calculate each turn
The rotating speed of disk (5)；
S4, according to every group of information of fiber-optic grating sensor (12), by calculating the every strained situation of connecting rod, and calculate
Go out the stress situation of connecting rod；
S5, with reference to all of result of calculation, the security to heave compensator makes assessment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195370.9A CN106871967B (en) | 2017-03-29 | 2017-03-29 | Crown block heave compensation device monitoring device and scheme thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195370.9A CN106871967B (en) | 2017-03-29 | 2017-03-29 | Crown block heave compensation device monitoring device and scheme thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106871967A true CN106871967A (en) | 2017-06-20 |
| CN106871967B CN106871967B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710195370.9A Active CN106871967B (en) | 2017-03-29 | 2017-03-29 | Crown block heave compensation device monitoring device and scheme thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130025937A1 (en) * | 2010-11-19 | 2013-01-31 | Cameron Rig Solutions, Inc. | Systems and Methods for Continuous and Near Continuous Drilling |
| CN203476248U (en) * | 2013-09-30 | 2014-03-12 | 四川宏华石油设备有限公司 | Semi-active type crown block heave compensation device |
| CN203704971U (en) * | 2013-12-10 | 2014-07-09 | 武汉飞恩微电子有限公司 | A sensor system used for engineering mechanical failure detection |
| CN105398961A (en) * | 2015-12-22 | 2016-03-16 | 浙江大学 | Test stand for video-ranging offshore platform crane heave compensation control system |
| CN106321534A (en) * | 2016-09-21 | 2017-01-11 | 中国石油大学(华东) | Heave compensation device of hook block assembly for marine floating drilling |
-
2017
- 2017-03-29 CN CN201710195370.9A patent/CN106871967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130025937A1 (en) * | 2010-11-19 | 2013-01-31 | Cameron Rig Solutions, Inc. | Systems and Methods for Continuous and Near Continuous Drilling |
| CN203476248U (en) * | 2013-09-30 | 2014-03-12 | 四川宏华石油设备有限公司 | Semi-active type crown block heave compensation device |
| CN203704971U (en) * | 2013-12-10 | 2014-07-09 | 武汉飞恩微电子有限公司 | A sensor system used for engineering mechanical failure detection |
| CN105398961A (en) * | 2015-12-22 | 2016-03-16 | 浙江大学 | Test stand for video-ranging offshore platform crane heave compensation control system |
| CN106321534A (en) * | 2016-09-21 | 2017-01-11 | 中国石油大学(华东) | Heave compensation device of hook block assembly for marine floating drilling |
Non-Patent Citations (1)
| Title |
|---|
| 徐涛: "半潜式钻井平台姿态运动监测***研究", 《船舶与海洋工程》 * |
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| CN106871967B (en) | 2020-04-21 |
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