Improvement in measuring geological compass inclination

A compass and geology technology, applied in the directions of compass, measuring device, surveying and navigation, etc., can solve the problems of difficult centering of air bubbles and difficult centering of air bubbles, and achieve the effect of accurate measurement

Inactive Publication Date: 2005-01-12
万永平
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Problems solved by technology

[0003] In order to solve the problems that the bubbles are difficult to be centered and the bubbles are difficult to be strictly centered, the present invention proposes an improved design scheme, which can overcome the above problems at the same time

Method used

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  • Improvement in measuring geological compass inclination
  • Improvement in measuring geological compass inclination
  • Improvement in measuring geological compass inclination

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Experimental program
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Embodiment Construction

[0013] exist figure 2 In , the glass ring (2) is fixed by the fixed snap ring (1) and the upper glass cover slip (not shown).

[0014] The method of measuring the inclination or slope angle: After measuring the inclination of the rock formation, turn the compass 90 degrees, and use the buoyancy of the hexyl ether in the glass tube to the bubble (the bubble always stays at the vertical top of the ring) to take a direct reading instead of The long level needs to be adjusted like a current compass. When reading, you can take the tangent reading x between the bubble and the scale line. Assuming that the bubble diameter corresponds to a scale value of 4 divisions, then the inclination or slope angle α=x±4 / 2=(x±2)°, that is, the reading x is the bubble and scale When the smaller value of the line tangent, α=x+4 / 2=(x+2)°, on the contrary, α=x-4 / 2=(x-2)°.

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Abstract

Butt-welding two ends of glass tube make a glass circular ring. Transparent liquid ether is filled to the said glass circular ring and a bubble in diameter 4mm is formed in the ring. Scale is marked on external side of the glass circular ring. Using buoyant force of ether makes tangency between the bubble and scale line so as to obtain angle of inclination or angle of slope measured.

Description

technical field [0001] The invention relates to the measurement of the inclination angle of rock strata and slope angle of hillside by using a geological compass in field geological work. Background technique [0002] At present, the geological compass (DQY-1 geological compass) used by geologists mainly relies on adjusting the long level when measuring the inclination or slope angle, so that the bubble is centered and then read. Its disadvantage is that due to manual adjustment, the bubbles are not easy to be centered, and it is difficult to ensure that the bubbles are strictly centered, that is, the reading error is large. Contents of the invention [0003] In order to solve the problems that the bubbles are difficult to be centered and the bubbles are difficult to be strictly centered, the present invention proposes an improved design scheme, which can overcome the above problems at the same time. [0004] The technical solution of the present invention is: butt the tw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C17/00
Inventor 万永平
Owner 万永平
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