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Precision Turntable Shafting

A precision, turntable technology, used in shafts and bearings, bearing components, machine/stands, etc., can solve problems such as difficulty in improving resonance frequency and anti-overturning performance, inability to meet high-precision servo control and long-distance transportation, etc. Safety and reliability, improving servo control performance, and reducing the effect of shaking errors

Active Publication Date: 2020-04-10
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this combination of shafting can only bear axial load in a single direction, so it is difficult to improve the resonance frequency and anti-overturning performance of the system, which cannot meet the needs of high-precision servo control and long-distance transportation.

Method used

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  • Precision Turntable Shafting
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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0036] For details, please refer to figure 1 and figure 2 As shown, the present invention provides a precision turntable shaft system 20, including a base 1, an integrated bearing 2, a locking and lifting device 3, a bearing connecting shaft 4, a sealing ring 5, a workbench 6, a torque motor 7, and an angle measurement Device 8, central shaft 9, sealing cover 10 and leveling base 12.

[0037] The base 1 is installed on the leveling base 12, which is the installation and bearing platform of the entire precision turntable, and also the positioning reference of the integrated bearing 2...

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Abstract

The invention relates to a shaft system of a precision turntable, comprising: a base, an integrated bearing, a locking and lifting device, a bearing connecting shaft, a sealing ring, a workbench, a torque motor, an angle measuring device, a central shaft, a sealing cover and a leveling base . The shaft system of the precision turntable of the present invention adopts integrated bearings, which can bear the combined load of axial load, radial load and overturning moment, and has large bearing capacity, strong overturning and impact resistance, and can meet the requirements of long-distance vehicle transportation.

Description

technical field [0001] The invention relates to the technical field of precision optical application mechanical equipment, in particular, the invention relates to a precision turntable shaft system. Background technique [0002] Precision turntables are widely used in various precision optical instruments (such as theodolites), and their main characteristics are high rotation accuracy and stability. The axis of rotation of the precision turntable is mostly perpendicular to the ground, and the performance of the shaft system mainly depends on the structure of the shaft and the bearing. [0003] There are mainly two structural forms of the turntable shaft system in the prior art. [0004] The first solution is to install a pair of angular contact bearings back to back. Because there is a combination assembly error in the combination of the two bearings, and the two bearings bear axial load and radial load at the same time, the stability is not high, so this type of azimuth sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16M11/08F16C35/12
CPCF16C35/12F16M11/08
Inventor 邓健王强龙
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI