CN109653229A - The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking - Google Patents
The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking Download PDFInfo
- Publication number
- CN109653229A CN109653229A CN201811378027.9A CN201811378027A CN109653229A CN 109653229 A CN109653229 A CN 109653229A CN 201811378027 A CN201811378027 A CN 201811378027A CN 109653229 A CN109653229 A CN 109653229A
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- negative pressure
- anemometer tower
- pressure cylinder
- tower composite
- composite foundation
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- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 241001061260 Emmelichthys struhsakeri Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/02—Caissons able to be floated on water and to be lowered into water in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses the more negative well bore pressure cylinder anemometer tower composite foundations of jacket to automate negative pressure method for sinking, include the following steps, S1, construction positioning: after anemometer tower composite foundation is transported to construction area by construction ship, the location information on negative pressure cylinder cylinder top is acquired, plane positioning is carried out and calculates elevation；Water-depth measurement: S2 measures the Water Depth Information of construction area by the depth of water energy converter at floating clouds ship side；S3, exhaust are sunk: being opened vacuum pump and taken out the air in negative pressure cylinder, so that anemometer tower composite foundation is slowly sink to mud face；S4, negative pressure sink down into designed elevation: continuing to vacuumize, anemometer tower composite foundation is made slowly to sink to mud face down toward designed elevation.Compared with prior art, the present invention is sunk using the automation negative pressure for combining realization anemometer tower composite foundation with automatic leveling technology is automatically controlled, and has many advantages, such as high degree of automation, highly reliable.
Description
Technical field
The invention belongs to the underwater wind power foundation automated construction technical fields of offshore, and in particular to jacket more negative
Pressure cylinder anemometer tower composite foundation automates negative pressure method for sinking.
Background technique
The more negative well bore pressure cylinder anemometer tower composite foundations of jacket are as offshore anemometer tower novel foundation, compared to traditional pile foundation
Plinth, has easy for construction, does not need using large-scale pile driving equipment, repeated multiple times can use, the advantages that cost is relatively low.But
Being that the construction technology of the novel foundation is currently under develops the perfect stage, due to relating in automation negative pressure sinking watching
And multinomial measurement and the control technology such as construction positioning, level measuring, the measurement of higher degree, vacuum cavitations, it is existing to use manual measurement
The mode of control not only low efficiency, and reliability is also poor.
Summary of the invention
The shortcomings that for the above-mentioned prior art or deficiency, it is negative the technical problem to be solved in the present invention is to provide jacket more
Pressure cylinder anemometer tower composite foundation automates negative pressure method for sinking, uses automatic control and automatic leveling technology to combine realization and surveys
The automation negative pressure of wind tower composite foundation is sunk, high degree of automation and highly reliable.
In order to solve the above technical problems, the present invention has following constitute:
The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking, include the following steps, S1, construct
Positioning: after anemometer tower composite foundation is transported to construction area by construction ship, the location information on negative pressure cylinder cylinder top is acquired, carries out plane
It positions and calculates elevation；Water-depth measurement: S2 measures the Water Depth Information of construction area by the depth of water energy converter at floating clouds ship side；
S3, exhaust are sunk: being opened vacuum pump and taken out the air in negative pressure cylinder, so that anemometer tower composite foundation is slowly sink to mud face；S4 is born
Pressure is sink to designed elevation: continuing to vacuumize, anemometer tower composite foundation is made slowly to sink to mud face down toward designed elevation.
In step S1, the location information is obtained using GPS-RTK location technology, and feed back to control system.
In step S1, elevation information is obtained using elevation location system, and feed back to control system.
It further include the water for measuring different location with drum outer wall arrangement water-level gauge inside the compartment of negative pressure cylinder in step S2
Pressure, and compartment inside and the outer water level of bucket and draft are converted to by signal adapter.
In step S3, it is vented in sinking watching and the verticality information of anemometer tower composite foundation is acquired simultaneously by dual axis inclinometer
Control system is fed back to, control system controls survey wind by automatically adjusting the valve opening for the proportioning valve being arranged on negative pressure cylinder
The posture of tower composite foundation.
The setting quantity of the proportioning valve is at least four, is arranged in a one-to-one correspondence with the negative pressure cylinder.
In step S4, the vacuum degree of negative pressure cylinder is controlled to control anemometer tower composite base by controlling the aperture of proportioning valve
The depth of penetration of plinth, while the gradient of anemometer tower composite foundation is adjusted to guarantee the vertical of injection by control proportioning valve
Degree.
In step S3 and S4, the negative pressure measured value in negative pressure cylinder is sent in real time by control by negative pressure measurement sensor
System, control system compare the negative pressure measured value and negative pressure setting value of feedback, and control the frequency conversion system of vacuum pump.
Compared with prior art, the present invention just has following technical effect:
The present invention using automatically control and automatic leveling technology, solve in the prior art construction the degree of automation it is low, people
The problem of industry control inefficiency；
The present invention uses B/P EGR Back Pressure Transducer EGR, and by negative pressure measurement data Real-time Feedback to control system, control system is compared
The negative pressure measured value and negative pressure setting value of feedback, and the frequency conversion system of vacuum pump is controlled, to change negative pressure value, reach automatic survey
Amount, the automatic purpose corrected, automatically controlled, compare manual measurement and control, improve efficiency and frequency；
Present invention employs elevation multiple spot elevation automatic measurement systems, compare manual measurement, survey reading rate faster, Er Qieneng
It is enough that measurement data is fed back into control system in real time, to realize self-leveling purpose；
The present invention uses automatic control system, more direct, intuitive to the data record of work progress, arrangement, displaying, from
And stronger, more efficient foundation is provided for decision.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1: the more negative well bore pressure cylinder anemometer tower composite foundations of jacket of the present invention automate negative pressure method for sinking flow chart.
Specific embodiment
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
As shown in Figure 1, the more negative well bore pressure cylinder anemometer tower composite foundations of the present embodiment jacket automate negative pressure method for sinking, packet
Include following steps,
Construction positioning: step 1 after anemometer tower composite foundation is transported to construction area by construction ship, acquires negative pressure cylinder cylinder top
Location information, carry out plane positioning simultaneously calculate elevation.
In the present embodiment, the location information is obtained using GPS-RTK location technology, and feeds back to control system.Tool
The working principle of body is that a receiver is placed on base station, and another receiver is placed on carrier (referred to as rover station), base
Quasi- station and rover station receive GPS satellite signal simultaneously, and base station observation obtained is compared with known position information, obtains
To GPS differential correcting value.Then this corrected value is passed to the flowing of total view satellite in time by wireless software download radio station
Station is refined its GPS observation, to obtain the accurate real time position of the rover station after differential correcting.GPS-RTK location technology
It is a kind of new common GPS measurement method, pervious static state, rapid static, dynamic measurement require to carry out resolving just afterwards
The precision of Centimeter Level can be obtained, and RTK is can to obtain in real time the measurement method of centimeter-level positioning precision in field, it is used
Carrier phase dynamic real-time difference method, is the great milestone of GPS application, its appearance is engineering setting out, topographic mapping, respectively
Kind control measurement brings Neoma Foam, greatly improves operating efficiency.
The present embodiment obtains elevation information using elevation location system.Using elevation multiple spot elevation automatic measurement system, phase
Than manual measurement, reading rate is surveyed faster, and measurement data can be fed back into control system in real time, to realize automatic leveling
Purpose.
Step 2, water-depth measurement: inside the compartment of negative pressure cylinder and drum outer wall arrangement water-level gauge is to measure different location
Water pressure, and compartment inside and the outer water level of bucket and draft are converted to by signal adapter；Pass through the water at floating clouds ship side
The Water Depth Information of deep energy converter measurement construction area.
Step 3, exhaust are sunk: being opened vacuum pump and taken out the air in negative pressure cylinder, so that anemometer tower composite foundation slowly sinks
To mud face.
In above-mentioned exhaust sinking watching, the verticality information of anemometer tower composite foundation and anti-is acquired by dual axis inclinometer
It feeds control system, control system controls anemometer tower by automatically adjusting the valve opening for the proportioning valve being arranged on negative pressure cylinder
The posture of composite foundation.
In the present embodiment, it is realized by dual axis inclinometer and negative pressure cylinder stack shell verticality and degree of waving is tested.
Wherein, in the present embodiment, the setting quantity of the proportioning valve is at least four, a pair of with the negative pressure cylinder one
It should be arranged；Preferably, the setting quantity of the proportioning valve is four, and the setting of the negative pressure cylinder is also four, each described
A proportioning valve is correspondingly arranged on negative pressure cylinder.
In above-mentioned negative pressure sinking watching, the negative pressure measured value in negative pressure cylinder is sent in real time by negative pressure measurement sensor
To control system, control system compares the negative pressure measured value and negative pressure setting value of feedback, and controls the frequency conversion system of vacuum pump.
Step 4, negative pressure sink down into designed elevation: continuing to vacuumize, anemometer tower composite foundation is made slowly to sink to mud face or less
To designed elevation.
The vacuum degree of negative pressure cylinder is controlled by controlling the aperture of proportioning valve to control the injection of anemometer tower composite foundation
Depth, while the gradient of anemometer tower composite foundation is adjusted to guarantee the verticality of injection by control proportioning valve.Above-mentioned
In step, the negative pressure measured value in negative pressure cylinder is sent in real time by control system, control system ratio by negative pressure measurement sensor
To the negative pressure measured value and negative pressure setting value of feedback, and control the frequency conversion system of vacuum pump.
Based on above-mentioned negative pressure measurement sensor and dual axis inclinometer, control system automatically adjusts the ratio being arranged on negative pressure cylinder
The valve opening of example valve controls the posture of anemometer tower composite foundation；Preferably, by control anemometer tower composite foundation with vertical
Downward posture is sunk.
The present invention using automatically control and automatic leveling technology, solve in the prior art construction the degree of automation it is low, people
The problem of industry control inefficiency；The present invention uses B/P EGR Back Pressure Transducer EGR, and by negative pressure measurement data Real-time Feedback to control system,
Control system compares the negative pressure measured value and negative pressure setting value of feedback, and controls the frequency conversion system of vacuum pump, to change negative pressure
Value achievees the purpose that automatic measurement, automatic amendment, automatically controls, compares manual measurement and control, improve efficiency and frequency；
Present invention employs elevation multiple spot elevation automatic measurement system, compare manual measurement, survey reading rate faster, and can in real time by
Measurement data feeds back to control system, to realize self-leveling purpose；The present invention uses automatic control system, to constructing
The data record of journey, arrangement, displaying are more direct, intuitive, to provide stronger, more efficient foundation for decision.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is non-limiting, referring to preferred embodiment to the present invention into
Detailed description is gone.Those skilled in the art should understand that technical solution of the present invention can be modified or be waited
With replacement, without departing from the spirit and scope of the technical solution of the present invention, should all cover in scope of the presently claimed invention.
Claims (8)
1. the more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking, which is characterized in that including walking as follows
Suddenly,
S1, construction positioning: after anemometer tower composite foundation is transported to construction area by construction ship, the position letter on acquisition negative pressure cylinder cylinder top
Breath carries out plane positioning and calculates elevation；
Water-depth measurement: S2 measures the Water Depth Information of construction area by the depth of water energy converter at floating clouds ship side；
S3, exhaust are sunk: being opened vacuum pump and taken out the air in negative pressure cylinder, so that anemometer tower composite foundation is slowly sink to mud face；
S4, negative pressure sink down into designed elevation: continuing to vacuumize, anemometer tower composite foundation is made to sink to mud face slowly to mark down toward design
It is high.
2. the method according to claim 1, wherein in step S1, obtained using GPS-RTK location technology described in
Location information, and feed back to control system.
3. the method according to claim 1, wherein obtaining elevation letter using elevation location system in step S1
Breath, and feed back to control system.
4. the method according to claim 1, wherein in step S2, further include inside the compartment of negative pressure cylinder and
Drum outer wall arranges water-level gauge to measure the water pressure of different location, and is converted to compartment inside and the outer water of bucket by signal adapter
Position and draft.
5. method according to any one of claims 1 to 4, which is characterized in that in step S3, be vented in sinking watching and pass through
The verticality information of dual axis inclinometer acquisition anemometer tower composite foundation simultaneously feeds back to control system, and control system passes through automatic adjustment
The valve opening for the proportioning valve being arranged on negative pressure cylinder controls the posture of anemometer tower composite foundation.
6. according to the method described in claim 5, it is characterized in that, the setting quantity of the proportioning valve be at least four, with
The negative pressure cylinder is arranged in a one-to-one correspondence.
7. method according to any one of claims 1 to 4, which is characterized in that in step S4, pass through opening for control proportioning valve
It spends to control the vacuum degree of negative pressure cylinder to control the depth of penetration of anemometer tower composite foundation, while being adjusted by control proportioning valve
The gradient of whole anemometer tower composite foundation is to guarantee the verticality of injection.
8. method according to any one of claims 1 to 4, which is characterized in that in step S3 and S4, measured by negative pressure
Negative pressure measured value in negative pressure cylinder is sent to control system in real time by sensor, control system compare feedback negative pressure measured value and
Negative pressure setting value, and control the frequency conversion system of vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378027.9A CN109653229A (en) | 2018-11-19 | 2018-11-19 | The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378027.9A CN109653229A (en) | 2018-11-19 | 2018-11-19 | The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking |
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| CN109653229A true CN109653229A (en) | 2019-04-19 |
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| CN201811378027.9A Pending CN109653229A (en) | 2018-11-19 | 2018-11-19 | The more negative well bore pressure cylinder anemometer tower composite foundations of jacket automate negative pressure method for sinking |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110185059A (en) * | 2019-06-25 | 2019-08-30 | 福建省水利水电勘测设计研究院 | A kind of suction tube jacket wind turbine foundation and its construction method |
| CN110397093A (en) * | 2019-07-08 | 2019-11-01 | 天津大学 | A kind of negative pressure control apparatus and its application method of adjustable bucket foundation sinking rate |
| CN114624995A (en) * | 2022-05-17 | 2022-06-14 | 中铁大桥科学研究院有限公司 | Multi-cylinder foundation synchronous control system and method |
| WO2023083123A1 (en) * | 2021-11-15 | 2023-05-19 | 中交第三航务工程局有限公司 | Leveling control system and method in offshore mounting of three-bucket jacket foundation |
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| CN114624995A (en) * | 2022-05-17 | 2022-06-14 | 中铁大桥科学研究院有限公司 | Multi-cylinder foundation synchronous control system and method |
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Application publication date: 20190419 |