CN106895955B - The analogue measurement device and method of landform are washed away around silt sea bed submarine pipeline - Google Patents
The analogue measurement device and method of landform are washed away around silt sea bed submarine pipeline Download PDFInfo
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- CN106895955B CN106895955B CN201710106779.9A CN201710106779A CN106895955B CN 106895955 B CN106895955 B CN 106895955B CN 201710106779 A CN201710106779 A CN 201710106779A CN 106895955 B CN106895955 B CN 106895955B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention discloses the analogue measurement device and method for washing away landform around a kind of silt sea bed submarine pipeline, which includes scanning system, can lead and wash away stylus subsystem, data collection system and experimental trough simulation system；Experimental trough simulation system includes experimental trough, simulation sea bed and simulated sea bottom pipeline；Simulation sea bed is set to the bottom of experimental trough, simulated sea bottom pipeline embedment simulation sea bed；Can lead and wash away leading for stylus subsystem and wash away the lower surface that stylus is vertically installed in simulated sea bottom pipeline, adjustable damper with can lead that wash away stylus in parallel；Scanning system includes OBS nephelometer, vertical link, position conversion device and mechanical framework, passes through other three device cooperation adjustment turbidimetric scanning tracks OBS；Data collection system connects adjustable damper and nephelometer, for acquiring data.The device is by OBS nephelometer and can lead and washes away stylus and combine, and solves the problems, such as that conventional means can not carry out silt sea bed topographic survey.
Description
Technical field
The present invention relates to Ocean Surveying field, more particularly to washing away landform around a kind of silt sea bed submarine pipeline
Analogue measurement device and method.
Background technique
Submerged pipeline is an important component in the offshore oil construction of natural gas fields, is responsible for transfer oil natural gas
Vital task.In marine environment, petroleum pipeline is mounted on after seabed, has broken the balance of original submerged flow field, this
The change in flow field will cause the silt of pipeline part to transport and directly result in washing away for pipeline bottom, and be formed hanging.
Laboratory simulation is to study a kind of hanging important means of pipe flushing.Pipeline model is arranged in mould in the sink
On type sea bed, the test simulation of local scour is carried out under certain water velocity.The tradition of landform is washed away for duct bottom
Measurement method includes the non-contact measurements means such as ultrasonic sensor, laser range finder and terrain graph processing.But with
Upper measurement means require pipeline water body muddy degree will lower than a certain critical value, thus guarantee ultrasonic wave, laser with
And visible light etc. can penetrate water body.Therefore these methods apply in general to the sea bed of rough sand to the properties such as fine sand, though compared with
Sand grain also seldom suspends under big flow conditions, and water body is made to remain more limpid state.But for powder
The thinner sea bed of the grain diameters such as sandy or clay, a large amount of suspensions occur for particle during washing away, and form muddy stream
Body penetrate ultrasonic wave, laser and visible light etc. all can not, therefore can not measure to scour depth.
Summary of the invention
In order to solve the above technical problem, the present invention provides the moulds that landform is washed away around a kind of silt sea bed submarine pipeline
Quasi- measuring device and method can be proposed for the muddy fluid formed after pipeline local scour on silt sea bed using OBS
Nephelometer and it can lead and wash away the measurement method that stylus combines, silt sea bed topographic survey can not be carried out by solving conventional means
The problem of.
For this purpose, technical scheme is as follows:
It washes away the analogue measurement device of landform around a kind of silt sea bed submarine pipeline, including scanning system, punching can be led
Brush stylus subsystem, data collection system and experimental trough simulation system；
The experimental trough simulation system includes experimental trough, simulation sea bed and simulated sea bottom pipeline；The simulation sea bed
It is set to the bottom of the experimental trough, the simulated sea bottom pipeline is partially or completely buried into the simulation sea bed in the longitudinal direction；
It is described lead to wash away stylus subsystem and include two can lead and wash away stylus, power supply and adjustable damper；Described two
It can lead and wash away the lower surface that stylus is vertically installed in the simulated sea bottom pipeline, and spacing is less than 1cm between two；The power supply
The two poles of the earth be separately connected two and can lead and wash away stylus；The adjustable damper can lead that wash away stylus in parallel with described two；
The scanning system includes OBS nephelometer, vertical link, mechanical framework and position conversion device；The mechanical frames
Erection is placed at the top of the experimental trough, for fixing the position conversion device；The OBS nephelometer is fixed at vertically
The bottom of connecting rod is mounted on the position conversion device at the top of the vertical link；The position conversion device is for real
Transformation of the existing vertical link in the experimental trough interior location；
The data collection system is connected with the adjustable damper and OBS nephelometer respectively, for described in acquisition respectively
The data of adjustable damper and the output of OBS nephelometer.
Further, the position conversion device includes motor, frequency converter and vertically disposed first lead screw pair and second
Lead screw pair；The lead screw shaft of first lead screw pair is fixed in a line of the mechanical framework；Second lead screw pair
One end of lead screw shaft be fixed on the feed screw nut of first lead screw pair, the other end is slidably arranged in the mechanical frames
In the corresponding sides of frame；The vertical link is fixed on the feed screw nut of second lead screw pair；First lead screw pair,
Second lead screw pair is connected to the motor by frequency converter respectively；Motor controls evolution of the feed screw nut in lead screw shaft respectively.
Further, the position conversion device includes motor, frequency converter and vertically disposed first lead screw pair and second
Lead screw pair；First lead screw pair has two sets, and lead screw shaft is arranged in parallel on two parallel edges of the mechanical framework；It is described
The both ends of the lead screw shaft of second lead screw pair are respectively fixedly disposed on the feed screw nut of first lead screw pair；The vertical link
It is fixed on the feed screw nut of second lead screw pair；First lead screw pair, the second lead screw pair pass through frequency converter respectively
It is connected to the motor；Motor controls evolution of the feed screw nut in lead screw shaft respectively.
Further, described lead washes away stylus for stainless steel stylus.
Further, the data collection system includes data collecting card, main frame and display；The data acquisition
Collected data are transferred to main frame by card, are shown by display.
Further, the motor is stepper motor.
Further, the turbidimetric position the OBS is in the upside of the simulated sea bottom pipeline.
The method that the analogue measurement that landform is washed away around silt sea bed submarine pipeline is carried out using above-mentioned apparatus, including such as
Lower step:
1) after installing above-mentioned analogue measurement device, water is added in experimental trough, and generate water flow in the sink, causes pipe
Sea bed washes away around road；
2) open main frame, control the scanning system, using the position conversion device adjust OBS nephelometer come
Return moving sweep sea bed landform；It simultaneously controls data collecting card and records OBS nephelometer and can leading in real time and wash away and passed back in stylus
Data are stored in main frame, and are shown over the display.
The analogue measurement device and method that landform is washed away around silt sea bed submarine pipeline provided by the invention have such as
Lower advantage:
1) for the topographic survey under turbid water body
It is more clear that the underwater topography instrument that laboratory generallys use ultrasonic wave or optical measurement configuration at present is only applicable to water body
Clear condition.But the turbid water body for being formed after silt seabed scouring, ultrasonic wave and laser beam can not all penetrate, thus
The precise measurement of landform can not be tested.The technical solution of the application selects nephelometer, specifically uses OBS nephelometer, measures powder
Sediment concentration value near native sea bed surface deduces the elevation for analyzing sea bed surface according to the situation of change of sediment concentration value
Position, to realize the real-time measurement for washing away landform；
2) automatic scanning system of computer control
Since seabed scouring terrestrial range is larger, and turbidity is calculated as single-point type measurement method, and therefore, it is necessary to entire sea bed
Continuous scanning is carried out, to obtain the terrain data of whole region sea bed.The Technical Design position conversion that the application proposes
Device can carry OBS nephelometer and move back and forth in entire wash away above landform, to cover entire test zone.The fortune
Row system can set the distance of scanning range, movement velocity and each stepping, adjust horizontal position by position conversion device
Set and OBS transmissometer determine landform altitude, obtain the three-dimensional data of sea bed landform；
3) utilization, which can be led, washes away washing away below stylus measurement pipeline
The topographic meter of scan-type can only measure the sea bed landform in the presence of no works, and for there are works
The case where, such as submarine pipeline, due to the blocking effect of works, washing away development process and can not be directly measured below.
Therefore, it contains to lead in technical solution provided by the present application and washes away stylus, place it on the lower section of works, independent measurement
Development process is washed away below works.It can lead that wash away the working principle of stylus be by one group of (containing 2) stainless steel stylus with one
In fixed spacing insertion sea bed, since saturation sea bed is conductive, three collectively constitutes a loop.Stainless steel stylus is added
Electricity, and it is in parallel with a damper, control the range of its output voltage.It, must according to the size of output voltage multiplied by calibration coefficient
Go deep into the depth in sea bed to stainless steel stylus.The technical solution, which can be led, washes away stylus subsystem and OBS nephelometer measurement knot
Fruit, which is complementary to one another, is completely washed away terrain data.
Detailed description of the invention
Fig. 1 is that the structure for the analogue measurement device for washing away landform around silt sea bed submarine pipeline provided by the invention is shown
It is intended to；
Fig. 2 is the structural schematic diagram of position conversion device in embodiment 2.
Specific embodiment
Technical solution of the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
It washes away the analogue measurement device of landform around a kind of silt sea bed submarine pipeline, including scanning system 1, punching can be led
Brush stylus subsystem 2, data collection system 3 and experimental trough simulation system 4；
Experimental trough simulation system 4 includes experimental trough 41, simulation sea bed 42 and simulated sea bottom pipeline 43；Simulate sea bed 42
It is set to the bottom of experimental trough 41, simulated sea bottom pipeline 43 is partially or completely buried into simulation sea bed 42 in the longitudinal direction；
It can lead to wash away stylus subsystem 2 and can lead including two and wash away stylus 21, power supply 22 and adjustable damper 23；Two can
It leads and washes away the lower surface that stylus 21 is vertically installed in simulated sea bottom pipeline 43, and spacing is less than 1cm between two；The two of power supply 22
Pole, which is separately connected two and can lead, washes away stylus 21；Adjustable damper 23 can lead that wash away stylus 21 in parallel with two；It can lead and wash away survey
Needle 21 is stainless steel stylus；
Scanning system 1 includes OBS nephelometer 11, vertical link 12, mechanical framework 13 and position conversion device；Mechanical framework
It is set to 41 top of experimental trough, for fixing position conversion device；OBS nephelometer 11 is fixed at the bottom of vertical link 12
The top in portion, vertical link 12 is mounted on position conversion device；Position conversion device is being tested for realizing vertical link 12
The transformation of 41 interior location of sink；The position of OBS nephelometer 11 is located at the upside of simulated sea bottom pipeline 43；
Position conversion device includes motor 17, frequency converter 18 and vertically disposed first lead screw pair and the second lead screw pair；
The lead screw shaft 14 of first lead screw pair is fixed in a line of mechanical framework 13；One end of the lead screw shaft 16 of second lead screw pair
It is fixed on the feed screw nut 15 of the first lead screw pair, the other end is slidably arranged in the corresponding sides of mechanical framework 13；Vertically
Connecting rod 12 is fixed on the feed screw nut 19 of the second lead screw pair；First lead screw pair, the second lead screw pair pass through frequency converter respectively
18 are connected with motor 17；Motor 17 controls evolution of the feed screw nut in lead screw shaft respectively.Motor 17 is preferred to select stepping
Motor.
Data collection system 3 is connected with adjustable damper 23 and OBS nephelometer 11 respectively, for acquiring adjustable damping respectively
The data that device 23 and OBS nephelometer 11 export.Specifically, data collection system 3 includes data collecting card 31, main frame
32 and display 33；Collected data are transferred to main frame 32 by data collecting card 31, are shown by display 33
Show.
The method that the analogue measurement that landform is washed away around silt sea bed submarine pipeline is carried out using above-mentioned apparatus, including such as
Lower step:
1) after installing above-mentioned analogue measurement device, water is added in experimental trough 41, and generate water flow in the sink, caused
Pipeline sea bed washes away；
2) main frame 32 is opened, scanning system 1 is controlled, back and forth using position conversion device adjustment OBS nephelometer 11
Moving sweep sea bed landform；The real-time record OBS nephelometer 11 of data collecting card 31 is controlled simultaneously and can lead to wash away in stylus 21 passes
The data returned, are stored, and shown on the display 33 in main frame 32.
The analogue measurement device that landform is washed away around the silt sea bed submarine pipeline, which uses OBS nephelometer and can lead, to be washed away
The measurement method that stylus combines solves the problems, such as that conventional means can not carry out silt sea bed topographic survey.
Embodiment 2
It is different from the structure for the analogue measurement device for washing away landform in embodiment 1 around silt sea bed submarine pipeline it
Be in: position conversion device includes motor 17, frequency converter 18 and vertically disposed first lead screw pair and the second lead screw pair；
First lead screw pair has two sets, and lead screw shaft 14 is arranged in parallel on two parallel edges of mechanical framework 13；The silk of second lead screw pair
The both ends of thick stick axis 16 are respectively fixedly disposed on the feed screw nut 15 of the first lead screw pair；Vertical link 12 is fixed at second
On the feed screw nut 19 of thick stick pair；First lead screw pair, the second lead screw pair pass through frequency converter 18 respectively and are connected with motor 17；Motor 17 divides
It Kong Zhi not evolution of the feed screw nut in lead screw shaft.
Claims (7)
1. washing away the analogue measurement device of landform around a kind of silt sea bed submarine pipeline, it is characterised in that: be including scanning
System (1) can lead and wash away stylus subsystem (2), data collection system (3) and experimental trough simulation system (4)；
The experimental trough simulation system (4) includes experimental trough (41), simulation sea bed (42) and simulated sea bottom pipeline (43)；Institute
State simulation sea bed (42) and be set to the bottoms of the experimental trough (41), the simulated sea bottom pipeline (43) in the longitudinal direction part or
It is wholly embedded into the simulation sea bed (42)；
It is described lead to wash away stylus subsystem (2) and include two can lead and wash away stylus (21), power supply (22) and adjustable damper
(23)；Described two can lead and wash away the lower surface that stylus (21) is vertically installed in the simulated sea bottom pipeline (43), and two it
Between spacing be less than 1cm；The two poles of the earth of the power supply (22), which are separately connected two and can lead, washes away stylus (21)；The adjustable damper
(23) it can lead that wash away stylus (21) in parallel with described two；
The scanning system (1) includes OBS nephelometer (11), vertical link (12), mechanical framework (13) and position conversion device；
The mechanical framework is set at the top of the experimental trough (41), for fixing the position conversion device；The OBS nephelometer
(11) it is fixed at the bottom of vertical link (12), is mounted on the position conversion device at the top of the vertical link (12)
On；The position conversion device for realizing the vertical link (12) the experimental trough (41) interior location transformation；
The data collection system (3) is connected with the adjustable damper (23) and OBS nephelometer (11) respectively, for adopting respectively
Collect the data of the adjustable damper (23) and OBS nephelometer (11) output.
2. washing away the analogue measurement device of landform around silt sea bed submarine pipeline as described in claim 1, it is characterised in that:
The position conversion device includes motor (17), frequency converter (18) and vertically disposed first lead screw pair and the second lead screw pair；
The lead screw shaft (14) of first lead screw pair is fixed in a line of the mechanical framework (13)；Second lead screw pair
One end of lead screw shaft (16) be fixed on the feed screw nut (15) of first lead screw pair, the other end is slidably arranged in institute
In the corresponding sides for stating mechanical framework (13)；The vertical link (12) is fixed at the feed screw nut of second lead screw pair
(19) on；First lead screw pair, the second lead screw pair pass through frequency converter (18) respectively and are connected with motor (17)；Motor (17) is respectively
Control evolution of the feed screw nut in lead screw shaft.
3. washing away the analogue measurement device of landform around silt sea bed submarine pipeline as described in claim 1, it is characterised in that:
The position conversion device includes motor (17), frequency converter (18) and vertically disposed first lead screw pair and the second lead screw pair；
First lead screw pair has two sets, and lead screw shaft (14) is arranged in parallel on two parallel edges of the mechanical framework (13)；Institute
The both ends for stating the lead screw shaft (16) of the second lead screw pair are respectively fixedly disposed on the feed screw nut (15) of first lead screw pair；Institute
Vertical link (12) is stated to be fixed on the feed screw nut (19) of second lead screw pair；First lead screw pair, second
Thick stick pair passes through frequency converter (18) respectively and is connected with motor (17)；Motor (17) controls position of the feed screw nut in lead screw shaft respectively
Transformation.
4. the analogue measurement dress of landform is washed away around silt sea bed submarine pipeline as described in any one of claims 1 to 3
It sets, it is characterised in that: described lead washes away stylus (21) for stainless steel stylus.
5. the analogue measurement dress of landform is washed away around silt sea bed submarine pipeline as described in any one of claims 1 to 3
It sets, it is characterised in that: the data collection system (3) includes data collecting card (31), main frame (32) and display
(33)；Collected data are transferred to main frame (32) by the data collecting card (31), are carried out by display (33)
Display.
6. washing away the analogue measurement device of landform around silt sea bed submarine pipeline as described in Claims 2 or 3, feature exists
In: the motor is stepper motor.
7. being surveyed using the simulation for washing away landform around silt sea bed submarine pipeline as described in any one of claims 1 to 3
Measure the method that device carries out analogue measurement, it is characterised in that include the following steps:
1) after installing above-mentioned analogue measurement device, in experimental trough (41) Zhong Jiashui, and water flow is generated in the sink, cause pipe
Sea bed washes away around road；
2) main frame (32) are opened, controls the scanning system (1), adjust OBS turbidity using the position conversion device
Meter (11) moves back and forth scanning sea bed landform；Data collecting card (31) is controlled simultaneously to record OBS nephelometer (11) in real time and can lead
The data passed back in stylus (21) are washed away, are stored in main frame (32), and are shown on display (33).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2167441C2 (en) * | 1998-10-05 | 2001-05-20 | Политюков Валерий Павлович | Method of short-time forecasting of cloudiness and type of dome above observation terrain and device for its implementation |
| CN101221097A (en) * | 2008-01-23 | 2008-07-16 | 中国科学院力学研究所 | Simulation method and device for detecting lateral stability of directly laid pipes on sea floor |
| CN101776449A (en) * | 2010-01-11 | 2010-07-14 | 中国科学院力学研究所 | Method and device for measuring scouring topography of sand bed by using ultrasonic waves |
| CN102538760A (en) * | 2011-12-31 | 2012-07-04 | 河海大学 | Terrain data collection device and data collection method based on river work dynamic bed model |
| CN103439130A (en) * | 2013-08-06 | 2013-12-11 | 中国科学院力学研究所 | Device and method for simulating dynamic coupling of steel catenary riser and seabed |
| CN103438862A (en) * | 2013-08-13 | 2013-12-11 | 北京师范大学 | Automatic underwater landform detection device applicable to torrent environment |
| CN103591939A (en) * | 2013-10-29 | 2014-02-19 | 中国科学院力学研究所 | Method for measuring simulated seabed terrain based on active stereo vision technology and measuring equipment |
| CN104266630A (en) * | 2014-09-02 | 2015-01-07 | 中国水利水电科学研究院 | High-precision terrain measuring system |
| CN105091856A (en) * | 2015-07-22 | 2015-11-25 | 河海大学 | Shallow-basin riverbed microtopography measurement apparatus |
| CN105783867A (en) * | 2016-04-28 | 2016-07-20 | 西华大学 | Real-time underground riverbed form tracker and riverbed form measure method |
-
2017
- 2017-02-27 CN CN201710106779.9A patent/CN106895955B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2167441C2 (en) * | 1998-10-05 | 2001-05-20 | Политюков Валерий Павлович | Method of short-time forecasting of cloudiness and type of dome above observation terrain and device for its implementation |
| CN101221097A (en) * | 2008-01-23 | 2008-07-16 | 中国科学院力学研究所 | Simulation method and device for detecting lateral stability of directly laid pipes on sea floor |
| CN101776449A (en) * | 2010-01-11 | 2010-07-14 | 中国科学院力学研究所 | Method and device for measuring scouring topography of sand bed by using ultrasonic waves |
| CN102538760A (en) * | 2011-12-31 | 2012-07-04 | 河海大学 | Terrain data collection device and data collection method based on river work dynamic bed model |
| CN103439130A (en) * | 2013-08-06 | 2013-12-11 | 中国科学院力学研究所 | Device and method for simulating dynamic coupling of steel catenary riser and seabed |
| CN103438862A (en) * | 2013-08-13 | 2013-12-11 | 北京师范大学 | Automatic underwater landform detection device applicable to torrent environment |
| CN103591939A (en) * | 2013-10-29 | 2014-02-19 | 中国科学院力学研究所 | Method for measuring simulated seabed terrain based on active stereo vision technology and measuring equipment |
| CN104266630A (en) * | 2014-09-02 | 2015-01-07 | 中国水利水电科学研究院 | High-precision terrain measuring system |
| CN105091856A (en) * | 2015-07-22 | 2015-11-25 | 河海大学 | Shallow-basin riverbed microtopography measurement apparatus |
| CN105783867A (en) * | 2016-04-28 | 2016-07-20 | 西华大学 | Real-time underground riverbed form tracker and riverbed form measure method |
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Inventor after: Cang Zhipeng Inventor after: Zhang Jinfeng Inventor after: Chen Tongqing Inventor after: Zhang Qinghe Inventor before: Cang Zhipeng Inventor before: Zhang Jinfeng Inventor before: Chen Tongqing Inventor before: Zhang Qinghe |