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Transmission device of sextant

A transmission device and sextant technology, applied in the direction of sextant, etc., can solve the problems of complex processing procedure, increase production cost, save time and effort, etc., and achieve the effect of simple procedure, improved work efficiency and simple structure

Inactive Publication Date: 2014-01-01
CHANGZHOU HAOMAI MARINE EQUIP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The micro-motion plate is an important degree device on the sextant, and the micro-motion plate is pushed to indicate the scale value on the dial. Such a transmission mechanism saves time and effort, and the processing procedure is complicated, which increases the production cost.

Method used

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  • Transmission device of sextant

Examples

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Effect test

Embodiment Construction

[0011] See figure 1 As shown, a transmission device of a sextant has a dial 1, a micro-movement disc 2, an indicating arm 3 fixedly connected to the support of the dial axis, and the micro-moving disc 2 is connected to the dial 1 through the indicating arm 3. connected, and make a relative sliding movement along its outer edge; the side of the jog plate 2 has a protruding strip 4, and the protruding strip 4 is in relative contact with the surface of the handle assembly 5 fixed on the indicator arm 3; the handle assembly 5 includes a first handle 51 with an "L" structure and a second handle 52 with an "L" structure, both of which are distributed on the indicator arm 3 with their backs facing each other, and the second handle 52 is movably connected to the The sliding cover 3 is matched with the protrusion 4 , and the first handle 51 is fixedly connected to the indicating arm 3 . Its working process is: push the second handle 52 movably connected on the indicating arm 3 to clos...

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Abstract

The invention discloses a transmission device of a sextant. The transmission device comprises a dial, a micro-motion disk and an indicating arm which is fixedly connected with an axis bracket of the dial. The micro-motion disk is connected with the dial through the indicating arm, and moves in a relatively sliding manner along the outer edge of the dial; a salient strip is arranged at the side edge of the micro-motion disk, and is in relative contact with the surface of a handle assembly fixed on the indicating arm. The micro-motion disk slidably moves on the dial through handles, when the micro-motion disk works, the handles are furled and thus the micro-motion disk can slide on the dial, and when the handles are released, and thus a certain distance can be kept between the micro-motion disk and the dial. The transmission device disclosed by the invention has the advantages of being simple in structure of the whole scheme, concise in working procedures and convenient to use, and saves the labor cost, and improves the work efficiency.

Description

technical field [0001] The invention relates to a navigation surveying instrument device, in particular to a transmission device of a sextant. Background technique [0002] A sextant is an optical instrument used to measure the angle between two distant targets. It is usually used to measure the angle between the sun or other celestial bodies and the sea level or horizon at a certain moment, so as to quickly know the latitude and longitude of the position of the ship or aircraft. Played a major role in navigation. The micro-motion plate is an important degree device on the sextant, and the micro-motion plate is pushed to indicate the scale value on the dial. Such a transmission mechanism is neither time-saving nor labor-saving, and the processing procedure is complicated, which increases the production cost. Contents of the invention [0003] The object of the present invention is to solve the above existing problems and provide a sextant transmission device with simple ...

Claims

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Application Information

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IPC IPC(8): G01C1/08
CPCG01C1/08
Inventor 朱亮狄丹岩
Owner CHANGZHOU HAOMAI MARINE EQUIP TECH
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