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A two-way drive turntable

A two-way drive, turntable technology, used in measuring devices, instruments, etc., can solve the problems affecting the stability of the motor rotor, difficult processing and assembly, difficult serialization and marketization, etc., to achieve high positioning accuracy, solid structure, control simple strategy

Active Publication Date: 2018-01-19
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to realize the two-way movement of the turntable, the existing direct-drive turntable is mostly driven by the separate combination of two rotating motors. This kind of separated structure is difficult to seal and takes up a lot of space, resulting in complex structure of the turntable, high production cost and long service life. Short, making it difficult to serialize and marketize
In addition, due to the impact of the rotor structure on the existing two-way drive turntable due to machining accuracy, error accumulation, assembly clearance, etc., the rotor will have radial runout to varying degrees during use, which in turn affects the smoothness of the motor rotor operation
Moreover, the above-mentioned existing structure has hidden dangers such as great difficulty in processing and assembling, and many uncertain factors.

Method used

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  • A two-way drive turntable
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Examples

Experimental program
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Effect test

Embodiment 1

[0050] Such as figure 1 and figure 2 As shown, a two-way driving turntable, the turntable includes a housing 1, a base 25 and two linear motors 2 arranged in parallel;

[0051] A support rod 3 parallel to the axis thereof is arranged between the linear motors 2,

[0052] Such as Figure 4 As shown, the support rod 3 is a hollow cylinder with a push rod 4 and a screw sleeve 5 on the inside and outside respectively;

[0053] Such as figure 1 As shown, the upper and lower ends of the support rod 3 are respectively provided with a driving member 6 and a support seat 7 fixed on the base 25 .

[0054] Such as figure 1 , figure 2 , image 3 and Figure 5 As shown, the linear motor 2 includes a linear motor stator 8 with a linear motor mover 9, a guide slider 10 and a fixing seat 11 arranged in sequence on the outside;

[0055] A linear bearing is provided between the linear motor stator 8 and the linear motor mover 9 .

[0056]The lower end of the linear motor mover 9 is ...

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Abstract

The invention relates to a two-way drive rotary table. The rotary table comprises a casing, a base and two linear motors arranged in parallel, wherein a support rod parallel to axial directions of the linear motors is arranged between the linear motors and is a hollow cylinder provided with a push rod and a thread sleeve on inner and outer sides respectively; a driving component and a support seat fixed on the base are arranged at upper and lower ends of the support rod respectively. The direct-drive rotary table has the advantages of high working efficiency and positioning precision, firm, simple and compact structure and convenience in mounting, dismounting and maintenance in the later period.

Description

technical field [0001] The invention relates to a turntable, in particular to a bidirectional drive turntable. Background technique [0002] The motor and the load in the turntable are directly and rigidly connected to the direct drive turntable without any transmission mechanism or coupling. This structure directly converts electrical energy into mechanical energy, and has the advantages of high working efficiency and good transmission efficiency. [0003] In order to realize the two-way movement of the turntable, the existing direct-drive turntable is mostly driven by the separate combination of two rotating motors. This kind of separated structure is difficult to seal and takes up a lot of space, resulting in complex structure of the turntable, high production cost and long service life. Short, making it difficult to serialize and marketize. Moreover, because the rotor structure of the existing two-way drive turntable is affected by machining accuracy, error accumulatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C25/00
CPCG01C25/005
Inventor 王光辉章文峰宋海平陈海瑞王文涛刘昭涛孙铭礁
Owner CHINA NORTH VEHICLE RES INST
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