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Two-shaft non-magnetic electric rotary table based on piezoelectric ceramic motor

A piezoelectric ceramic motor and electric technology, applied in the direction of measuring devices, instruments, etc., can solve the problem of poor dynamic performance of the turntable, and achieve the effect of good dynamic performance, high precision and good controllability

Active Publication Date: 2017-04-05
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The load of the turntable should also be designed properly, because under a larger load, the dynamic performance of the turntable becomes worse

Method used

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  • Two-shaft non-magnetic electric rotary table based on piezoelectric ceramic motor
  • Two-shaft non-magnetic electric rotary table based on piezoelectric ceramic motor
  • Two-shaft non-magnetic electric rotary table based on piezoelectric ceramic motor

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] combine Figure 1 to Figure 4 , the present invention consists of a handle 1, a horizontal rotary part 2, a turntable shell a 3, a level adjustment foot 4, a zero return button 5, an angle display 6, a horizontal dial 7, a pitch swing part 8, an upper swing dial 9, and a turntable shell b 10. A two-dimensional spirit level 11 is formed. Among them, the horizontal rotary part 2 is composed of HR2 ceramic motor 12, base plate 13, ceramic ring (3M acrylic tape bonding) 14, rotary ring 15, grating reading head support 16, grating reading head 17, grating disc 18, upper swing base 19, Parts such as dustproof plate 20, adjusting block pressing plate 21, gap adjusting screw 22, gap adjusting block 23 are formed. The pitch swing part 8 consists of a swing grating reading head support 24, a swinging grating reading head 25, an upper s...

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Abstract

The invention provides a two-shaft non-magnetic electric rotary table based on a piezoelectric ceramic motor. The two-shaft non-magnetic electric rotary table includes a horizontal rotary part and a pitching swing part, the horizontal rotary part comprises a base plate, three HR2 ceramic motors, a ceramic ring arranged between three HR2 ceramic motor output toggle fingers, a rotary ring adhered to the ceramic ring, and a grating disc connected to the rotary ring, one of the tree HR2 ceramic motors is provided with a rotary grating reading head support, the rotary grating reading head support is equipped with a rotary grating reading head, the grating disc is in fixed connection with an upper swaying body, a grating ruler is pasted to the upper end face of the grating disc, and the pitching swing part includes two upper swaying support blocks connected to the upper swaying body, two HR4 ceramic motors installed on the two upper swaying support blocks respectively, two ceramic chips arranged between two HR4 ceramic motor output toggle fingers, and an upper swing part bonded between the two ceramic chips. The two-shaft non-magnetic electric rotary table based on the piezoelectric ceramic motor provided by the invention has the advantages of no introduction of magnetic field, high precision, good dynamic performance, and good controllability, etc.

Description

technical field [0001] The invention relates to a two-axis non-magnetic electric turntable based on a piezoelectric ceramic motor, which belongs to the technical field of high-precision measuring instruments. Background technique [0002] With the rapid increase of industry, transportation, electric power and living facilities, people are in an increasingly complex electromagnetic environment, and the geomagnetic field has become more and more complicated in the local area. However, with the continuous advancement of science and technology, in the fields of precision measurement, aerospace, metrology and testing, the requirements for the external environmental magnetic field are getting higher and higher. For example, in the gyroscope used for navigation in aerospace and ships, the interference magnetic field seriously affects the navigation accuracy, and the interference magnetic field must be eliminated. In UAVs and inertial-guided medium- and long-range missiles, the per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00
Inventor 王茁蔡明智张波王涛李文琦谢敏燕王大欢傅质彬形家轩兰荻邢泽阳王程周剑琦
Owner HARBIN ENG UNIV
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