A double-drive cradle turntable

By adopting a dual-drive design and modular A-axis assembly connection in the cradle rotary table, the problems of poor dynamic characteristics, short motor life and inconvenient maintenance in the prior art are solved, and higher dynamic characteristics, longer motor service life and more convenient maintenance processes are achieved.

CN119017097BActive Publication Date: 2025-03-21NINGBO HAITIAN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202411506348.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-03-21
Estimated Expiration
2044-10-28

AI Technical Summary

Technical Problem

The existing cradle rotary table has problems such as poor dynamic characteristics, short motor service life, inconvenient maintenance, poor reset accuracy, easy water inlet, poor torsion resistance and poor synchronization of the brake structure.

Method used

The dual-drive cradle rotary table design is adopted. Through the combination of C-axis assembly, swing arm and two sets of A-axis assembly, different mechanical centering structures and modular design A-axis assembly connections are used to improve dynamic characteristics and motor service life. Through the special centering structure and brake mechanism design, maintenance convenience and accuracy are improved.

Benefits of technology

It improves the overall dynamic characteristics and motor service life of the cradle rotary table, enhances the convenience and accuracy of maintenance, avoids water inlet problems, and improves the stability and bearing life of the rotary table.

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Abstract

The invention discloses a dual-drive cradle turntable, comprising a C-axis assembly, a swing arm and two groups of A-axis assemblies, each group of A-axis assemblies comprising an A-axis rotating shaft, a front bearing, a rear bearing, an A-axis motor, a brake mechanism and an A-axis housing, the A-axis rotating shaft located on the left side of the swing arm is connected to the left end of the swing arm via a centering rod, the rear part of the centering rod is matched with the A-axis rotating shaft located on the left side of the swing arm through an axial hole, the middle part of the centering rod is matched with the left end of the swing arm through an axial hole, the front end of the centering rod is provided with a flange, the flange is arranged on a step at the left end of the swing arm, an adjustment pad is arranged between the front end of the A-axis rotating shaft located on the left side of the swing arm and the left end of the swing arm, the front end of the A-axis rotating shaft located on the right side of the swing arm is provided with a centering stop boss with a thickness less than the adjustment pad, and the centering stop boss is matched with the right end of the swing arm through an axial hole. The cradle turntable has high overall dynamic characteristics and a long service life of the motor, and can adjust and ensure the connection accuracy between the swing arm and the two groups of A-axis assemblies, while taking into account the convenience of maintenance.
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