CN1924614B - Ocean towing linear array two wings self-balance unfolded device - Google Patents
Ocean towing linear array two wings self-balance unfolded device Download PDFInfo
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- CN1924614B CN1924614B CN200610140790A CN200610140790A CN1924614B CN 1924614 B CN1924614 B CN 1924614B CN 200610140790 A CN200610140790 A CN 200610140790A CN 200610140790 A CN200610140790 A CN 200610140790A CN 1924614 B CN1924614 B CN 1924614B
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- spreader
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- linear array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3817—Positioning of seismic devices
- G01V1/3826—Positioning of seismic devices dynamic steering, e.g. by paravanes or birds
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- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
This invention discloses one sea towing wire array double blade extension device, which comprises the following parts: upper and down extension device and fixing ring part, wherein, the extension device comprises pressure enduring shell, communication coil, execution structure, sensor and extension blade, wherein, the execution structure comprises execution motor, decelerator, feed screw, drive structure to change space angle and the upper and down extension boards connected to the above structure; the said upper and down extension devices are vertical with weight and volume from large to small separately set above and down the extension device.
Description
Technical field
The invention belongs to the transverse horizontal control tow line array expanding unit that is mainly used in the marine streamer that offshore shooting uses.
Background technology
At present, the quantity of the marine streamer that seismic prospecting is used is also more and more, its spacing is more and more littler, therefore more and more stricter to its shape need, and when many towing cables during at underwater exercise, usually because various reasons such as ocean current, towing cable geometrical shape difference will make it be case of bending, thereby might make wrapping phenomena appears between adjacent two towing cables, perhaps collide and the equipment of damage the inside mutually, therefore need control the horizontal level of towing cable.
Summary of the invention
Purpose of the present invention just provides a kind of ocean towing linear array two wings self-balance unfolded device, can regulate towing cable transverse horizontal position automatically under water to solve, when guaranteeing that towing cable is worked under water, maintenance is the linearity that requires of seismic exploration and the technical matters of the spacing between the towing cable array contentedly.
The structure of ocean towing linear array two wings self-balance unfolded device of the present invention comprises: upper and lower spreader and installing ring three parts; Described spreader comprises upper and lower spreader, and upper and lower spreader mainly comprises communication coil, electric battery, topworks, latch mechanism, communication and control module, sensor, the expansion wing plate adjacent with towing cable in pressure hull, the pressure hull; The upper and lower expansion wing plate that the change space anglec of rotation gear train that topworks wherein comprises actuating motor, connect the shaft coupling of the speed reduction unit of actuating motor output terminal, connection reducer output terminal, be connected with the shaft coupling output terminal is connected with change space anglec of rotation gear train output terminal; Described upper and lower spreader is lightness sensation in the upper and heaviness in the lower, up-small and down-big counterweight and volume relationship, and the wing plate of upper and lower spreader is separately positioned on the top of spreader and the below of following spreader by the vertical symmetry direction; Upper and lower spreader is fixed in the upper and lower place of towing cable by the installing ring that can freely rotate.
Aforesaid ocean towing linear array two wings self-balance unfolded device changes space anglec of rotation gear train and can be tapered gear pair or worm screw, worm gear drive mechanism.
Aforesaid ocean towing linear array two wings self-balance unfolded device, pressure hull profile wherein adopts airflow design.
Aforesaid ocean towing linear array two wings self-balance unfolded device, the rotating shaft of two wing plates of upper and lower spreader wherein change space anglec of rotation rotating mechanism with a cover respectively and realize that driving is connected.
Aforesaid ocean towing linear array two wings self-balance unfolded device, this device relate to the waterproof sealing place, all adopt the structure that a plurality of O-ring seals are set.
Advantage of the present invention and good effect are as follows:
(1) can regulate the position of ocean seismic exploration haulage cable in the horizontal direction automatically by apparatus of the present invention, with the linearity that keeps towing cable and the spacing between the linear array;
(2) thus make the distance between the seismic prospecting marine streamer reduce to pull more cable, improve the efficient, precision of exploration etc. greatly, and can easily be connected on the towing cable, be easy to laying of towing cable;
(3) the self-balance unfolded scheme of apparatus of the present invention double-vane plate can make this device remain equilibrium state, and is simple in structure, control easily, and two expansion wing plates can drive respectively with two cover topworkies respectively, also can drive with a cover topworks;
(4) pressure hull and inner each parts thereof adopt nonmetallic materials polyurethane, have reduced the weight of this device greatly, and inner each parts employing modular design of pressure hull, and dismounting is simple, easy to maintenance.
Description of drawings
Fig. 1 is the installation site synoptic diagram of ocean towing linear array two wings self-balance unfolded device of the present invention in towing cable.
Fig. 2 is a spreader structural representation under the ocean towing linear array two wings self-balance unfolded device of the present invention
Fig. 3 is an ocean towing linear array two wings self-balance unfolded device of the present invention topworks synoptic diagram.
The use-case synoptic diagram of Fig. 4 ocean towing linear array two wings self-balance unfolded device of the present invention.
Embodiment
Fig. 1 has shown the concrete installation site of ocean towing linear array two wings self-balance unfolded device of the present invention on towing cable, and wherein 1 is that last spreader, 2 is that the installing ring, 3 that is connected with towing cable is a spreader under towing cable, 4 is.The present invention mainly is made up of spreader two parts up and down.Last spreader and following spreader structural similarity, present embodiment has only provided the structure of time spreader, as shown in Figure 2: its mainly by pressure hull 5, communication coil 6, electric battery 7, topworks 8, latch mechanism 9, communication and control module 10, sensor 11, launch wing plate 12 etc. down and form.Because spreader is thought highly of much than last expansion down, therefore the centre of gravity place of whole spreader can keep lower wing plate vertical on the lower side.Spreader connects by installing ring up and down, and cable passes spreader up and down.Pressure hull is as the mounting platform of a standard, and in order to mount and dismount conveniently, its inner each parts adopt modular design; Wing plate adopts American NACA series aerofoil profile; Topworks mainly is made up of motor, speed reduction unit, shaft coupling, gear train etc., and structure as shown in Figure 3.Described latch mechanism is the locking and connecting device between the installing ring on expanding unit and the cable, can adopt common latch mechanism.
Fig. 3 is the structural representation of ocean towing linear array two wings self-balance unfolded device of the present invention topworks, and wherein 8-1 is that scrambler, 8-2 are that actuating motor, 8-3 are that speed reduction unit, 8-4 are that shaft coupling, 8-5 are that worm screw, 8-6 are worm gear.Actuating motor is converted to rotatablely moving of another direction (90 degree) by shaft coupling and worm-and-wheel gear or tapered gear pair mechanism with certain direction that rotatablely moves of motor during work, and the worm gear rotation drives wing plate and rotates.In topworks, speed reduction unit connects the actuating motor output terminal, shaft coupling connection reducer output terminal, and worm screw is connected with the shaft coupling output terminal, and worm gear is connected with the rotating shaft of wing plate.Concrete connected mode can adopt following mode: the wing plate rotating shaft upper end of described upper and lower spreader is fixed in the rotating shaft connecting hole on the worm gear by keyway arrangements, the lower end by bearing fixing on pressure hull.Described upper and lower spreader is lightness sensation in the upper and heaviness in the lower, up-small and down-big counterweight and volume relationship, and the wing plate of upper and lower spreader is separately positioned on the top of spreader and the below of following spreader by vertical direction; Upper and lower spreader is fixed in the upper and lower place of towing cable by installing ring.
Aforesaid marine tow line array double-wing plate self-balance unfolded device, upper and lower spreader wherein are fixed on the upper and lower place of towing cable by installing ring.
Fig. 4 is the use-case of marine tow line array three wings balance expanding unit of the present invention, 13 is that controller on the ship, 14 is that tow strap (its inner cabling works effects such as bearing towing tension, power supply, communication), 15 is that controlled towing cable, 1,4 is expanding unit of the present invention for pulling support, 3.Its principle of work is: when towboat advanced with certain speed, the expansion wing plate of this device just can produce certain expansion power, made controlled cable secund.Because controlled towing cable and apparatus of the present invention are near neutral buoyancy, so towing cable can be in and the identical degree of depth of towing support connection tow strap end.
Apparatus of the present invention adopt following technological means to realize goal of the invention:
1) employing both wings plate structure as shown in Figure 1, the principle that produces lift when utilizing wing plate with respect to water movement is regulated the horizontal level of towing cable, and aerofoil profile is selected the NACA standard series for use, and it mainly produces expansion power by two wing plates;
2), therefore when towing, will inevitably produce flow noise, so this device profile adopts airflow design, to reduce the flow noise that it produces in seismic band because this device belongs to external hanging type device (as shown in Figure 1);
3) because this device installing space is limited, therefore there is not extra sensor to carry out determining of wing plate angle of attack zero degree position, the method that this device adopts is: supposing to make nut to rotate to the number of turns that another extreme position motor need rotate from an extreme position of leading screw is n, start shooting or when resetting at every turn, motor all will at first rotate the n circle, nut will inevitably rotate to an extreme position of leading screw (after nut reaches the limit of the position like this, because leading screw has not had ridge in this position, therefore this moment, nut was no longer mobile in this position, and leading screw dallies), and then the number of turns of setting in advance from this extreme position counter-rotating makes wing plate arrive the zero degree position;
4) because when towing, towing cable may twist, so can freely rotate between this device and the towing cable, and this device has faint negative buoyancy force or near neutral buoyancy, quality symmetry, center of gravity are under the centre of buoyancy, therefore can lean on self to guarantee that launching wing plate is in plumbness;
5) this device pressure hull is as a standard platform, and inner each parts adopt modular design, and therefore dismounting, maintenance are easily; It adopts the nonmetallic materials polyurethane of new prescription, and this kind material has light weight, no magnetic, anticorrosion, shock resistance advantages such as (good springiness);
6) two wing plates drove with two cover topworkies respectively about this device driving mechanism both can adopt, and also can only adopt a cover topworks to drive, and Fig. 3 is for launching the separately-driven topworks of wing plate synoptic diagram up and down;
7) this device adopts multi-sealed technology, and promptly a plurality of O-ring seals are adopted in each place that may intake, and it is more reliable that it is worked long hours under water.
Principle of work of the present invention: actuating motor turns round after the instruction that receives control device and by speed reduction unit rotating speed is dropped to suitable degree, by gear train rotatablely moving of motor is converted into rotatablely moving of wing plate axle, makes wing plate under the angle of attack of regulation, work.Angular velocity, angle of attack increase and decrease and the angle of attack size of wing plate can be controlled in speed, rotation direction, the start and stop position of control motor.
Use apparatus of the present invention and made model machine one cover referring to Fig. 3,, towing cable is (referring to Fig. 4) in the 3Kn-7Kn velocity range, and apparatus of the present invention can be adjusted to towing cable the position of setting, and can keep in allowed limits.
Claims (4)
1. ocean towing linear array two wings self-balance unfolded device, its structure comprises: upper and lower spreader and installing ring three parts; Described spreader comprises upper and lower spreader, and upper and lower spreader comprises communication coil, electric battery, topworks, latch mechanism, communication and control module, sensor, the expansion wing plate adjacent with towing cable in pressure hull, the pressure hull; It is characterized in that: the upper and lower expansion wing plate that the change space anglec of rotation gear train that topworks wherein comprises actuating motor, connect the shaft coupling of the speed reduction unit of actuating motor output terminal, connection reducer output terminal, be connected with the shaft coupling output terminal is connected with change space anglec of rotation gear train output terminal; Described upper and lower spreader is lightness sensation in the upper and heaviness in the lower, up-small and down-big counterweight and volume relationship, and the wing plate of upper and lower spreader is separately positioned on the top of spreader and the below of following spreader by the vertical symmetry direction; Upper and lower spreader is fixed in the upper and lower place of towing cable by the installing ring that can freely rotate.
2. ocean towing linear array two wings self-balance unfolded device as claimed in claim 1 is characterized in that: change space anglec of rotation gear train and be tapered gear pair or worm screw, worm gear drive mechanism.
3. ocean towing linear array two wings self-balance unfolded device as claimed in claim 1 is characterized in that: pressure hull profile wherein adopts airflow design.
4. ocean towing linear array two wings self-balance unfolded device as claimed in claim 1 is characterized in that: this device relates to the waterproof sealing place, all adopts the structure that a plurality of O-ring seals are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610140790A CN1924614B (en) | 2006-10-11 | 2006-10-11 | Ocean towing linear array two wings self-balance unfolded device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610140790A CN1924614B (en) | 2006-10-11 | 2006-10-11 | Ocean towing linear array two wings self-balance unfolded device |
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| Publication Number | Publication Date |
|---|---|
| CN1924614A CN1924614A (en) | 2007-03-07 |
| CN1924614B true CN1924614B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610140790A Active CN1924614B (en) | 2006-10-11 | 2006-10-11 | Ocean towing linear array two wings self-balance unfolded device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10031247B2 (en) * | 2009-02-11 | 2018-07-24 | Westerngeco L.L.C. | Using a rotation sensor measurement to attenuate noise acquired by a streamer-disposed sensor |
| CN103760604B (en) * | 2014-01-16 | 2017-01-25 | 中国海洋石油总公司 | Circuit module for dragging multi-linear-array horizontal control device |
| CN103760596A (en) * | 2014-01-16 | 2014-04-30 | 中国海洋石油总公司 | Automatic transverse control device for pulling cable array in ocean |
| CN106094879B (en) * | 2016-06-07 | 2019-09-06 | 中国海洋石油集团有限公司 | A kind of marine tow line array depth control apparatus |
| WO2020073126A1 (en) * | 2018-10-09 | 2020-04-16 | Gx Technology Canada Ltd. | Modular foil system for towed marine array |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607050B2 (en) * | 2000-04-26 | 2003-08-19 | China National Petroleum Corporation | Integrated ocean bottom towed array for four-component seismic data acquisition |
| CN1595194A (en) * | 2003-09-10 | 2005-03-16 | 中国科学院声学研究所 | Method for measuring subaqueous cooperating target bearing angel using short base line array |
-
2006
- 2006-10-11 CN CN200610140790A patent/CN1924614B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607050B2 (en) * | 2000-04-26 | 2003-08-19 | China National Petroleum Corporation | Integrated ocean bottom towed array for four-component seismic data acquisition |
| CN1595194A (en) * | 2003-09-10 | 2005-03-16 | 中国科学院声学研究所 | Method for measuring subaqueous cooperating target bearing angel using short base line array |
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| CN1924614A (en) | 2007-03-07 |
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Owner name: CHINA NATIONAL OFFSHORE OIL CORP. Free format text: FORMER OWNER: CHINA SHIPPING HEAVY INDUSTRY GROUP CO.,LTD. NO.710 INSTITUTE Effective date: 20091218 |
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Effective date of registration: 20091218 Address after: Zip code 25, Chaoyangmen North Street, Dongcheng District, Beijing: 100010 Applicant after: China National Offshore Oil Corporation Co-applicant after: China Oilfield Services Limited Co-applicant after: No.710 Inst. China Ship Heavy Industry Group Corp Address before: Postal code 58, Shengli road three, Hubei, Yichang: 443003 Applicant before: No.710 Inst. China Ship Heavy Industry Group Corp |
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