Reading microscope calibrating device

A technology for reading microscopes and verification devices, which is applied in the direction of measuring devices, optical devices, instruments, etc., and can solve problems such as difficult operation of initial alignment, undetected reading microscopes, inaccurate reading microscopes, etc.

Inactive Publication Date: 2010-02-03
GUANGDONG INST OF METROLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such a method has the problem of not being able to strictly control the coplanarity between the marking surface of the scale and the positioning surface of the reading microscope; the problem that the initial alignment is very difficult to operate; the problem of inaccurate measurement due to the displacement of the reading microscope relative to the scale by rotating the reading drum
Searching Chinese patents, no device specially designed and developed for the verification of reading microscopes has been found

Method used

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Embodiment Construction

[0010] Casing (3) is the main body of fuselage part, and its rear wall is high and front wall is low and forms the installation facet of 15 ° of included angles with horizontal plane. Fix the table top (4) at the 4 corners by 4 screws (48). And the lower surface of table top (4) is connected and installed backing plate (5) by 4 screws (6) before this. 4 threaded feet (22) at the upper end are fixed on the flanges at the 4 corners of the bottom of the casing (3).

[0011] The positioning seat (7) is the main body of the clamping mechanism and is in the shape of a flange. The lower disk is embedded in the table top (4) and fixed on the backing plate (5) by 3 screws (23); the upper circle is connected with the half-circle gland (10) with threads, and the half-circle gland (10) When 3 to 4 limit screws (9) at the waist limit the non-working state, the half-turn gland (10) is rotated away from the positioning seat (7). The half-circle gland (10) is a top at the diameter and cuts...

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Abstract

The invention relates to a reading microscope calibrating device, and belongs to the technical field of precise calendar design and measuring instrument detection. Aiming at the nonexistence of an integral special calibrating device, the invention deliberately provides a special calibrating device of an autonomic system for calibration of a reading microscope. The reading microscope calibrating device consists of five parts comprising a body part, a clamping mechanism, a longitudinal and transverse motion mechanism, an illumination system and a light source part. The body part forms a main body of the device and is provided with an 'interface' for integrating other parts; and the clamping mechanism arranged above the device is used for firmly clamping the reading microscope on the device.The longitudinal and transverse motion mechanism arranged in the abdomen of the device is used for adjusting the relative positions of a scale and the reading microscope; and the illumination system and the light source part which are arranged at the lower rear part inside the device are used for illuminating the scale which cannot be illuminated by use of natural light and external light. The device ensures that the axis of the clamped reading microscope is inclined forwards at 15 degrees by virtue of the structural design so as to facilitate human eye observation and measurement.

Description

[0001] The invention relates to a reading microscope verification device. technical field [0002] The invention belongs to the technical field of precision optical-mechanical design and measurement instrument detection. Background technique [0003] The lowermost end of the reading microscope is the positioning plane for its reading, which is in the shape of a circular band. When verifying the reading microscope, the scoring surface of the second-class glass linear ruler (hereinafter referred to as the ruler) must be placed on the same plane as the positioning plane. Since the scale is a circular piece of glass with a scale, its diameter is much smaller than the inner diameter of the circular band-shaped positioning plane of the reading microscope. Therefore, it is impossible to mount the reading microscope on the marking surface of the scale. At present, most of the metrology institutes that carry out reading microscope verification use two glass slides with the same thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B9/04
Inventor 黄稣潘嘉声
Owner GUANGDONG INST OF METROLOGY
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