CN102174884B - Directional gyro inclinometer spot measurement device - Google Patents
Directional gyro inclinometer spot measurement device Download PDFInfo
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- CN102174884B CN102174884B CN 201110047875 CN201110047875A CN102174884B CN 102174884 B CN102174884 B CN 102174884B CN 201110047875 CN201110047875 CN 201110047875 CN 201110047875 A CN201110047875 A CN 201110047875A CN 102174884 B CN102174884 B CN 102174884B
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- turning cylinder
- rotation shaft
- stage body
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Abstract
The invention discloses a directional gyro inclinometer spot measurement device, comprising an instrument platform, an indexing motor, a reducer, a rotation shaft, a rotation stop spindle head and two indexing baffles; the rotation shaft penetrates through the instrument platform and is matched with the instrument platform in a rotating way; the indexing motor is located at the bottom of the instrument platform and drives the rotation shaft by the reducer; the two indexing baffles are symmetrically arranged on the instrument platform relative to the rotation shaft; the rotation stop spindle head is arranged in the radial direction of the rotation shaft, one end of the rotation stop spindle head is fixed on the rotation shaft while the other end of the rotation stop spindle head stretches towards the indexing baffles; the length of the rotation stop spindle head is more than the distance from the rotation shaft to the indexing baffles. In the invention, the two indexing baffles are symmetrically arranged on the instrument platform relative to the rotation shaft, and the two-position indexing of the indexing motor is employed to remove gyroscopic drift so as to realize spot measurement, indexing positions are few, indexing errors are small, measurement accuracy is higher, measurement time is short; in addition, the device has the advantages of simple structure high measurement stability, and does not need an angle measurement device, thereby reducing cost.
Description
Technical field
The present invention relates to a kind of inclinometer spot measurement device, relate in particular to a kind of directional gyro inclinometer spot measurement device.
Background technology
At present, gyrolevel is a kind of highly sensitive, and good stability is not subjected to magnetic interference, oil well logging easy to use and geological-inclinometer device.Gyrolevel utilizes the spin velocity of the gyroscope sensitive measurement earth to finish deviational survey point and surveys.
The tradition inclinometer uses single axis fiber gyro instrument, photoelectric encoder or rotary transformer, cooperates motor 4 position transpositions to realize the deviational survey function.
The tradition gyrolevel adopts motor transposition 4 position bayonet points, and the turned position is many, and position shifter error is big, and precision is low, and Measuring Time is long; And adopt the angle sensor device, frame for movement is loaded down with trivial details, and volume is big, the cost height.
Summary of the invention
At the prior art above shortcomings, the purpose of this invention is to provide a kind of simple in structurely, cost is low, and shortens the directional gyro inclinometer spot measurement device of Measuring Time greatly.Simultaneously, this directional gyro inclinometer spot measurement device is a kind of device that utilizes motor two positions transposition removal gyroscopic drift to realize a survey.
Directional gyro inclinometer spot measurement device provided by the invention comprises instrument stage body, position rotaring motor, reducer, turning cylinder, rotation gear shaft head and transposition baffle plate; Described turning cylinder passes the instrument stage body, and cooperates to fixing, radially turning with the instrument platform axon; Described position rotaring motor is positioned at the bottom of instrument stage body, and drives turning cylinder by reducer; On the described turning cylinder and the top that is positioned at the instrument stage body is equipped with flexible gyroscope and quartz accelerometer; Described transposition baffle plate is two, is installed on the instrument stage body, and relatively rotates the axial symmetry setting; Described rotation gear shaft head is arranged on turning cylinder in the radial direction, and an end that rotates the gear shaft head is fixed on the turning cylinder, and the other end stretches to the transposition baffle plate, rotates the length of gear shaft head greater than the distance of turning cylinder to the transposition baffle plate.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention is provided with at the instrument stage body and relatively rotates axisymmetric two transposition baffle plates, utilizes the transposition of position rotaring motor two positions to remove gyroscopic drift and realizes a survey, and the turned position is few, and position shifter error is little, and certainty of measurement is higher, and Measuring Time is shorter.
2, the present invention mainly is made up of instrument stage body, position rotaring motor, reducer, turning cylinder, rotation gear shaft head and transposition baffle plate, and is simple in structure, do not need angle measurement unit, reduced cost, and measuring stability is more reliable.
Description of drawings
Fig. 1 is the structural representation of directional gyro inclinometer spot measurement device of the present invention;
The structural representation of index position 1 when Fig. 2 uses for directional gyro inclinometer spot measurement device of the present invention;
The structural representation of index position 2 when Fig. 3 uses for directional gyro inclinometer spot measurement device of the present invention;
The transposition flow chart that Fig. 4 carries out a survey for directional gyro inclinometer spot measurement device of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done to describe in further detail.
Fig. 1 is the structural representation of directional gyro inclinometer spot measurement device of the present invention, the structural representation of index position 1 when Fig. 2 uses for directional gyro inclinometer spot measurement device of the present invention, the structural representation of index position 2 when Fig. 3 uses for directional gyro inclinometer spot measurement device of the present invention, as shown in the figure.Directional gyro inclinometer spot measurement device comprises instrument stage body 1, position rotaring motor 2, reducer, turning cylinder 3, rotates gear shaft head 4 and transposition baffle plate 5.Turning cylinder 3 passes instrument stage body 1, and with instrument stage body 1 axial restraint, rotatable cooperation radially.Position rotaring motor 2 is positioned at the bottom of instrument stage body 1, and drives turning cylinder 3 by reducer.On the turning cylinder 3 and top that is positioned at instrument stage body 1 is equipped with flexible gyroscope 6 and quartz accelerometer 7.Transposition baffle plate 5 is two, is installed on the instrument stage body 1, and relatively rotates axle and 3 be symmetrical arranged.Rotate gear shaft head 4 and be arranged on turning cylinder 3 in the radial direction, an end that rotates gear shaft head 4 is fixed on the turning cylinder 3, and the other end stretches to transposition baffle plate 5, rotates the length of gear shaft head 4 greater than the distance of turning cylinder 3 to transposition baffle plate 5.
Position rotaring motor 2 adopts high speed low current direct current generator, and reducer adopts the precision gear of high speed reducing ratio, and turning cylinder 3, transposition baffle plate 5 and rotation gear shaft head 4 adopt rigid materials, and turning cylinder 3 is installed by sealed bead bearing.Need to keep instrument stage body 1 level in the rotation process, for guaranteeing level, sealed bead bearing must adopt the sealed bead bearing of rad level, guarantees the installation accuracy of sealed bead bearing simultaneously.During image data, the stage body non-jitter guarantees to rotate gear shaft head 4 and transposition baffle plate 5 is fitted, and tight forwards position rotaring motor 2 maintenance energising work behind the position to, requires position rotaring motor 2 to be operated in the stall state, turning cylinder 3 non-jitters.
The transposition flow chart that Fig. 4 carries out a survey for directional gyro inclinometer spot measurement device of the present invention, as shown in the figure.There is constant value drift in gyro, and the gyro data by measuring position 1 (as shown in Figure 2), position 2 (as shown in Figure 3) subtracts each other two positions gyroscope sensitive signal, reaches the purpose of eliminating the gyroscope constant value drift; Two positions adds the table signal subtraction, deducts to add the table zero-bit.Through resolving, can get the projection in the horizontal direction of gyroscope sensitive axes and the angle of real north, i.e. the carrier course angle.
The gyroscope sensitive axes records the current signal I of two positions
1, I
2Signal is as follows:
In above-mentioned:
Be responsive ground velocity component, γ is the azimuth, and ω is gyroscopic drift.
Formula (1) deducts (2) and can obtain:
By formula (3) as can be known, gyroscopic drift can be eliminated by the two positions method.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (1)
1. a directional gyro inclinometer spot measurement device is characterized in that: comprise instrument stage body (1), position rotaring motor (2), reducer, turning cylinder (3), rotate gear shaft head (4) and transposition baffle plate (5); Described turning cylinder (3) passes instrument stage body (1), and with instrument stage body (1) axial restraint, rotatable cooperation radially; Described position rotaring motor (2) is positioned at the bottom of instrument stage body (1), and drives turning cylinder (3) by reducer; Described turning cylinder (3) is gone up and the top that is positioned at instrument stage body (1) is equipped with flexible gyroscope (6) and quartz accelerometer (7); Described transposition baffle plate (5) is two, be installed on the instrument stage body (1), and relatively rotate the axle (3) be symmetrical arranged; Described rotation gear shaft head (4) is arranged on turning cylinder (3) in the radial direction, an end that rotates gear shaft head (4) is fixed on the turning cylinder (3), the other end stretches to transposition baffle plate (5), rotates the length of gear shaft head (4) greater than the distance of turning cylinder (3) to transposition baffle plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047875 CN102174884B (en) | 2011-02-28 | 2011-02-28 | Directional gyro inclinometer spot measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047875 CN102174884B (en) | 2011-02-28 | 2011-02-28 | Directional gyro inclinometer spot measurement device |
Publications (2)
| Publication Number | Publication Date |
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| CN102174884A CN102174884A (en) | 2011-09-07 |
| CN102174884B true CN102174884B (en) | 2013-08-21 |
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| CN 201110047875 Expired - Fee Related CN102174884B (en) | 2011-02-28 | 2011-02-28 | Directional gyro inclinometer spot measurement device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104280033B (en) * | 2014-09-23 | 2017-04-12 | 重庆华渝电气集团有限公司 | Indexing mechanism based on strapdown inertial navigation system and electromagnetic lock fault detection method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105668A (en) * | 1991-09-30 | 1992-04-21 | Allied-Signal Inc. | Hydrostatic bearing gyroscope with integral level sensor |
| CN2156478Y (en) * | 1993-05-11 | 1994-02-16 | 张学孚 | Inclination measuring orientation device |
| US5657547A (en) * | 1994-12-19 | 1997-08-19 | Gyrodata, Inc. | Rate gyro wells survey system including nulling system |
| CN1305091A (en) * | 2001-02-26 | 2001-07-25 | 伍少昊 | Directional stabilizing platform of gyro |
| AU2003261318A1 (en) * | 2002-08-01 | 2004-02-23 | The Charles Stark Draper Laboratory, Inc. | Borehole navigation system |
| US7324916B1 (en) * | 2006-07-28 | 2008-01-29 | Phillips Iii Robert B | Gyro based alignment system |
| CN100392208C (en) * | 2006-08-23 | 2008-06-04 | 北京航空航天大学 | Declinator used inertia measurement set integration device |
| JP4281777B2 (en) * | 2006-10-05 | 2009-06-17 | トヨタ自動車株式会社 | Mobile object with tilt angle estimation mechanism |
| CN201334904Y (en) * | 2009-01-07 | 2009-10-28 | 贵州航天控制技术有限公司 | Indexing mechanism |
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