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Balancing device for rotary device

A balancing device, rotary technology, applied in mechanical equipment, installation, microscopes, etc., can solve the problems of coil spring strength decline, fatigue failure, large installation space, etc.

Active Publication Date: 2019-08-16
CARL ZEISS MEDITEC AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First, the torque output by the helical spring is linear, while the unbalanced torque caused by the movement of the center of gravity of the surgical microscope body relative to the rotating shaft usually exhibits a sine or cosine curve, so this known balance system exists in principle or effect Certain restrictions, it is not easy to achieve a better balance effect
Secondly, due to its inherent fatigue strength, the coil spring is prone to the problem of strength decline after long-term repeated bending, and even the risk of fatigue failure
Finally, for strength, this helical spring type balancing system may require a large installation space

Method used

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  • Balancing device for rotary device
  • Balancing device for rotary device
  • Balancing device for rotary device

Examples

Experimental program
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Embodiment Construction

[0047] see figure 1 , where a surgical microscope system is shown as an example of a swivel device. The operating microscope system includes an operating microscope body 1 , which is carried by a balance arm 2 and capable of swinging around an axis 5 and rolling around an axis 6 . A rotational axis 5 a defines said shaft 5 . A rotational axis 6 a defines said shaft 6 . The balance hanging arm 2 is connected to the rotating shaft 5a and the rotating shaft 6a. The balance hanging arm 2 is attached to the bracket main body of the operating microscope system through the connection interface 3 .

[0048] In use, the surgical microscope body 1 should be able to quickly and accurately align the surgical site of the patient. For this reason, the surgical microscope body 1 needs to perform pivoting or swinging motions such as swinging left and right or rolling back and forth around the rotating shaft 5a and rotating shaft 6a as a revolving body, and needs to be able to maintain its...

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Abstract

The invention relates to a balancing device for a rotary device. The rotary device comprises a rotary body capable of pivoting or swinging around one or more rotating shafts. According to the balancing device for the rotary device, the balancing device comprises a magnet assembly and a torque adjusting mechanism, wherein the magnet assembly at least comprises two or more magnet combinations, and the torque adjusting mechanism is arranged to be capable of adjusting torque generated by the two or more magnet combinations. The balancing device can generate cosine or sine type output torque perfectly matched with unbalanced torque of the rotary body, and has the advantages that the occupied space is small, and fatigue failure is avoided.

Description

technical field [0001] The present invention relates to a rotary device having a rotary body, such as a surgical microscope body (also referred to as a surgical microscope head) attached to a balancing arm in a surgical microscope system, which is capable of pivoting or oscillating about at least one axis of rotation And can maintain its position or state after pivoting or swinging, for example, the surgical microscope body can pivot around the axis 5 and the axis 6 of the operating microscope system. More specifically, the present invention relates to a self-balancing device for maintaining the position of the revolving body of such a revolving machine in the event that the center of gravity of the revolving body changes relative to the axis of rotation during the revolving process. Background technique [0002] Devices are known in which the main working parts are arranged projecting relative to a frame or base of the device and are pivotable or oscillating about one or mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C11/04G02B7/00G02B21/00
CPCF16C11/04G02B7/001G02B21/0012F16C2370/20
Inventor 刘臣才舒建伟C·P·库伯勒
Owner CARL ZEISS MEDITEC AG