Directional gyro inclinometer spot measurement device

A gyro inclinometer and spot measurement technology, which is applied in the directions of measurement, wellbore/well components, earthwork drilling and mining, etc., can solve the problems of complicated mechanical structure, large indexing error, and many rotating positions, and achieve simple structure, high rotation speed, etc. The effect of small bit error and less rotation position

Inactive Publication Date: 2013-08-21
CHONGQING HUAYU ELECTRIC GRP
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  • Claims
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Problems solved by technology

[0004] The traditional gyro inclinometer adopts the motor indexing 4-position point measurement method, which has many rotating positions, large indexing error, low precision, and long measurement time; and the angle sensing device is used, the mechanical structure is cumbersome, the volume is large, and the cost is high

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  • Directional gyro inclinometer spot measurement device
  • Directional gyro inclinometer spot measurement device
  • Directional gyro inclinometer spot measurement device

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] figure 1 It is the structural representation of the directional gyro inclinometer spot measuring device of the present invention, figure 2 It is a structural schematic diagram of indexing position 1 when the directional gyro inclinometer point measuring device of the present invention is used, image 3 It is a structural schematic diagram of the index position 2 when the directional gyro inclinometer spot measuring device of the present invention is in use, as shown in the figure. The point measuring device of the directional gyro inclinometer includes an instrument table body 1, an indexing motor 2, a reducer, a rotating shaft 3, a rotating retaining shaft head 4 and an indexing baffle 5. The rotating shaft 3 passes through the instrument table body 1, and is axially fixed and radially rotatably matched with the instrument ...

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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 [0001] The invention relates to a spot measuring device for an inclinometer, in particular to a spot measuring device for a directional gyro inclinometer. Background technique [0002] At present, the gyro inclinometer is a kind of oil logging and geological inclinometer with high sensitivity, good stability, no interference from magnetic field, and easy to use. The gyro inclinometer uses the gyroscope to sensitively measure the rotation angular velocity of the earth to complete the inclinometer point measurement. [0003] The traditional inclinometer uses a single-axis fiber optic gyroscope, a photoelectric encoder or a resolver, and cooperates with the 4-position motor to realize the inclinometer function. [0004] The traditional gyro inclinometer adopts the motor indexing 4-position point measurement method, which has many rotating positions, large indexing error, low precision, and long measurement time; and the angle sensing device is used, the mechani...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/02
Inventor 谢箭夏明泽林萍王福亮
Owner CHONGQING HUAYU ELECTRIC GRP
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