CN204536546U - A kind of measurement mechanism of underwater pipeline expansion bends flange - Google Patents
A kind of measurement mechanism of underwater pipeline expansion bends flange Download PDFInfo
- Publication number
- CN204536546U CN204536546U CN201520127714.9U CN201520127714U CN204536546U CN 204536546 U CN204536546 U CN 204536546U CN 201520127714 U CN201520127714 U CN 201520127714U CN 204536546 U CN204536546 U CN 204536546U
- Authority
- CN
- China
- Prior art keywords
- underwater
- flange
- beacon
- positioning system
- acoustic positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of measurement mechanism of underwater pipeline expansion bends flange, comprise the underwater survey unit carried by unmanned remotely controlled submersible vehicle and the blind flange be arranged on connected pipe flange; Described blind flange is provided with beacon; Described underwater survey unit comprises the Underwater Acoustic Positioning System, optical fiber inertial navigation system, Doppler log, pressure gauge and the sound velocimeter that integrate; Described acoustic positioning system is measured described beacon by acoustics communication; Described unmanned remotely controlled submersible vehicle is provided with the umbilical cables be connected with construction ship, and described umbilical cables is connected with described Underwater Acoustic Positioning System, described optical fiber inertial navigation system, described Doppler log, described pressure gauge and described sound velocimeter.The utility model accurately can record the relativeness of two and above beacon under water, completes the measurement of three-dimensional relationship between pipe flange more efficiently, for the prefabricated of cross-over connection pipeline provides support.
Description
Technical field
The utility model belongs to underwater sound field of measuring technique, is applicable to undersea pipe-laying installation work, especially deep water hydrocarbon field development & construction field.
Background technology
Flourish along with marine oil cause, increasing subsea pipeline is routed to seabed, and this accompanies someone and bears the connection engineering of expansion bends under water, namely carries out the form that is connected, also known as cross-over connection pipeline with flange and expansion bends between subsea pipeline.The experience in past shows, the operation connecting expansion bends most critical is under water relative tertiary location and azimuthal measurement between extra large pipe flange.Only have the parameters accurately measuring expansion bends two end flanges (or connector), could prefabricated expansion bends exactly, thus successfully install.
The underwater survey of expansion bends flange, General Requirements measuring error, between 0.05-0.10m, belongs to the category of accurate measurement technology under water.Current modal method is bracing wire method (Taut Wire), comprise the extra large pipe flange measuring instrument of shallow water use and SWM, PMT, MRP etc. of deep water use, they can be measured and sense data intuitively, and using method is easier, and measuring principle is also uncomplicated; But this metering system is slightly extensive, measure the data obtained precision not high.In addition, apply also very general during the acoustic measurement method such as Long baselines (LBL) Underwater Navigation and three-dimensional sonar scanning measure under water, although data precision is very high, equipment installs complexity, calibration is also very loaded down with trivial details, the offshore operation duration is longer, and production cost is improved greatly.
Summary of the invention
The utility model provides a kind of measurement mechanism of underwater pipeline expansion bends flange for solving in known technology the technical matters that exists, adopts this measurement device underwater pipeline expansion bends flange more accurately and efficient.
The technical scheme that the utility model is taked for the technical matters existed in solution known technology is: a kind of measurement mechanism of underwater pipeline expansion bends flange, comprises the underwater survey unit carried by unmanned remotely controlled submersible vehicle and the blind flange be arranged on connected pipe flange; Described blind flange is provided with beacon; Described underwater survey unit comprises the Underwater Acoustic Positioning System, optical fiber inertial navigation system, Doppler log, pressure gauge and the sound velocimeter that integrate; Described acoustic positioning system is measured described beacon by acoustics communication; Described unmanned remotely controlled submersible vehicle is provided with the umbilical cables be connected with construction ship, and described umbilical cables is connected with described Underwater Acoustic Positioning System, described optical fiber inertial navigation system, described Doppler log, described pressure gauge and described sound velocimeter.
Described Underwater Acoustic Positioning System adopts ultra short base line, comprise the transmitting-receiving control module be arranged on construction ship and the transducer be integrated in described underwater survey unit, described transducer and described beacon carry out acoustics communication, and described transmitting-receiving control module obtains the submarine site data of described beacon by described transducer.
The advantage that the utility model has and good effect are: by adopting the underwater survey unit of the integrated formation of plurality of devices, accurately can record the relativeness of two and above beacon under water, complete the measurement of three-dimensional relationship between pipe flange more efficiently, for the prefabricated of cross-over connection pipeline provides support.The utility model has to be measured accurately, and install simple, easy and simple to handle, the advantage that work efficiency is high, can make production cost greatly reduce.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model application;
Fig. 2 is underwater survey cell schematics of the present utility model;
Fig. 3 is beacon scheme of installation of the present utility model.
In figure: 100, underwater survey unit, 101, optical fiber inertial navigation system, 102, Doppler log, 103, Underwater Acoustic Positioning System, 104, sound velocimeter, 105, pressure gauge, 201, beacon, 202, blind flange, 203, pipe flange, 210, unmanned remotely controlled submersible vehicle, 211, umbilical cables.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 ~ Fig. 3, a kind of measurement mechanism of underwater pipeline expansion bends flange, comprise the underwater survey unit 100 carried by unmanned remotely controlled submersible vehicle 210 and the blind flange 202 be arranged on connected pipe flange 203, described blind flange 202 is provided with beacon 201.
In the present embodiment, connected pipe flange 203 has two, each pipe flange 203 is connected with a blind flange 202, and blind flange 202 is provided with a beacon 201.The centre of blind flange 202 does not have hole, and its another effect prevents pipeline water inlet when laying.Before pipeline laying, on blind flange 202, beacon 201 is installed, after laying the end of job, the measurement operation of blind flange 202 can be carried out.
Described underwater survey unit 100 comprises the Underwater Acoustic Positioning System 103, optical fiber inertial navigation system 101, Doppler log 102, pressure gauge 105 and the sound velocimeter 104 that integrate; Described acoustic positioning system 103 is measured described beacon 201 by acoustics communication; Described unmanned remotely controlled submersible vehicle 210 is provided with the umbilical cables 211 be connected with construction ship, and described umbilical cables 211 is connected with described Underwater Acoustic Positioning System 103, described optical fiber inertial navigation system 101, described Doppler log 102, described pressure gauge 105 and described sound velocimeter 104.
In the present embodiment, described Underwater Acoustic Positioning System adopts ultra short base line, comprise the transmitting-receiving control module be arranged on construction ship and the transducer be integrated in described underwater survey unit, described transducer and described beacon 202 carry out acoustics communication, and described transmitting-receiving control module obtains the submarine site data of described beacon 201 by described transducer.
Principle of work of the present utility model:
When carrying out measurement operation, unmanned remotely controlled submersible vehicle 210 carries underwater survey unit 100, and the beacon 201 installed on two blind flanges 202 moves in a circle, and respectively runs two circles clockwise and counterclockwise.In operational process, Underwater Acoustic Positioning System 103 and beacon 201 carry out continual acoustics inquiry and measure, by calculating the accurate relativeness that can obtain between two beacons 201.
Before use, need to calibrate underwater survey unit 100.Wherein Underwater Acoustic Positioning System 103 is for obtaining the position of beacon 201 relative to underwater survey unit; Optical fiber inertial navigation system 101, for obtaining the 3 d pose of underwater survey unit, mainly comprises heel roll, trim pitch and bow to heading etc.; Doppler log 102, for obtaining the velocity information of underwater survey unit, can effectively reduce the error effect that optical fiber inertial navigation system 101 drifts about like this; Pressure gauge 105, for obtaining the elevation information of underwater survey unit 100, reduces the vertical error of underwater positioning system 100; Sound velocimeter 104, for measuring the velocity of sound in seawater, improves the precision of underwater sound range observation.
To sum up, optical fiber inertial navigation system 101 provides 3 d pose data for underwater survey unit 100, mainly comprises heel roll, and trim pitch and bow are to heading; Doppler log 102 provides speed data for underwater survey unit 100; Pressure gauge 104 is for obtaining the elevation information of underwater survey unit 100; Sound velocimeter 105, for measuring the velocity of sound in seawater, is convenient to accurately calculate distance; Underwater Acoustic Positioning System 103 passes through the acoustics inquiry between ultra-short baseline transducer and beacon 201, the Distance geometry angle between measurement transducer and beacon 201; All measurement data are all transferred on construction ship by the umbilical cables 211 of unmanned remotely controlled submersible vehicle 210 carries out analytical calculation, the data that comprehensive above-mentioned various equipment gathers, and can obtain the position data of beacon, be also the position data of blind flange.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection domain of the present utility model.
Claims (2)
1. a measurement mechanism for underwater pipeline expansion bends flange, is characterized in that, comprises the underwater survey unit carried by unmanned remotely controlled submersible vehicle and the blind flange be arranged on connected pipe flange; Described blind flange is provided with beacon; Described underwater survey unit comprises the Underwater Acoustic Positioning System, optical fiber inertial navigation system, Doppler log, pressure gauge and the sound velocimeter that integrate; Described acoustic positioning system is measured described beacon by acoustics communication; Described unmanned remotely controlled submersible vehicle is provided with the umbilical cables be connected with construction ship, and described umbilical cables is connected with described Underwater Acoustic Positioning System, described optical fiber inertial navigation system, described Doppler log, described pressure gauge and described sound velocimeter.
2. the measurement mechanism of underwater pipeline expansion bends flange according to claim 1, it is characterized in that, described Underwater Acoustic Positioning System adopts ultra short base line, comprise the transmitting-receiving control module be arranged on construction ship and the transducer be integrated in described underwater survey unit, described transducer and described beacon carry out acoustics communication, and described transmitting-receiving control module obtains the submarine site data of described beacon by described transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127714.9U CN204536546U (en) | 2015-03-05 | 2015-03-05 | A kind of measurement mechanism of underwater pipeline expansion bends flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127714.9U CN204536546U (en) | 2015-03-05 | 2015-03-05 | A kind of measurement mechanism of underwater pipeline expansion bends flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536546U true CN204536546U (en) | 2015-08-05 |
Family
ID=53750532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520127714.9U Expired - Fee Related CN204536546U (en) | 2015-03-05 | 2015-03-05 | A kind of measurement mechanism of underwater pipeline expansion bends flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261824A (en) * | 2019-07-15 | 2019-09-20 | 交通运输部天津水运工程科学研究所 | A kind of ultra-short baseline calibration system and scaling method based on multi-beacon |
| CN113064175A (en) * | 2021-03-26 | 2021-07-02 | 西京学院 | Seabed vacuum pipeline with preset sonar sensors and installation method |
-
2015
- 2015-03-05 CN CN201520127714.9U patent/CN204536546U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261824A (en) * | 2019-07-15 | 2019-09-20 | 交通运输部天津水运工程科学研究所 | A kind of ultra-short baseline calibration system and scaling method based on multi-beacon |
| CN110261824B (en) * | 2019-07-15 | 2024-03-19 | 交通运输部天津水运工程科学研究所 | Ultrashort baseline calibration system and calibration method based on multiple beacons |
| CN113064175A (en) * | 2021-03-26 | 2021-07-02 | 西京学院 | Seabed vacuum pipeline with preset sonar sensors and installation method |
| CN113064175B (en) * | 2021-03-26 | 2023-10-27 | 西京学院 | Submarine vacuum pipeline with preset sonar sensor and installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204676554U (en) | A kind of immersed tube subaqueous construction navigation system | |
| CN102495420B (en) | Underwater object precision positioning system and method | |
| CN106679662B (en) | A kind of underwater robot list beacon Combinated navigation method based on TMA technology | |
| CN208515797U (en) | A kind of underwater integrated positioning system of ROV | |
| CN107990891B (en) | Underwater robot combined navigation method based on long baseline and beacon online calibration | |
| CN101761330B (en) | Ultrasonic logging system using self-orienting device of ultrasonic logging instrument | |
| CN101819280B (en) | Logging instrument three-dimensional data interpolation method | |
| CN104913769A (en) | Underwater high-precision measurement and control system and method for pipe abutment in the construction of immersed tunnel | |
| CN104698429B (en) | High-accuracy positioning method of deepwater subsea pipeline | |
| CN109613520A (en) | A kind of ultra-short baseline installation error online calibration method based on filtering | |
| CN103926560A (en) | Deep sea underwater sound integrated positioning system and method for positioning and navigating underwater vehicle by adopting system | |
| CN106123776A (en) | System and measuring method are measured in a kind of push pipe intelligence jacking | |
| CN110488334A (en) | A kind of underwater object locator, positioning system and its localization method | |
| CN105547290A (en) | Slave submersible vehicle navigation method based on ultra-short baseline positioning system | |
| CN105629307A (en) | Subsea pipeline detection and measurement acoustic system and method | |
| CN204536546U (en) | A kind of measurement mechanism of underwater pipeline expansion bends flange | |
| CN103090861B (en) | The multi-thread terrain match air navigation aid of underwater robot | |
| CN110441736B (en) | Multi-joint underwater unmanned vehicle variable baseline three-dimensional space positioning method | |
| CN105651264A (en) | Submarine cable detecting system | |
| CN110187302A (en) | A kind of underwater frogman's auto-navigation method based on single beacon | |
| CN113390348B (en) | Immersed tube tunnel underwater intelligent butt joint monitoring test device and method thereof | |
| CN104386216A (en) | Ship draught detection system and working method thereof | |
| Tomczak | Modern methods of underwater positioning applied in subsea mining | |
| CN106525041B (en) | Measuring method of deepwater jumper pipe | |
| CN204754918U (en) | Pore -forming grooving detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20200305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |