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A device to effectively resolve disputes between dual driving forces

A driving force and dispute technology, applied in the direction of fluid pressure actuation device, valve operation/release device, valve device, etc., can solve the problem of reducing the performance of servo valve

Active Publication Date: 2019-12-20
BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the servo valve works normally, the two driving mechanisms cooperate to control the movement of the spool, but this driving method inevitably has a certain degree of dispute, and in the assembly, the two driving mechanisms are different from the spool valve to a certain extent. , which together will adversely affect the normal operation of the servo valve, thereby reducing the performance of the servo valve

Method used

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  • A device to effectively resolve disputes between dual driving forces
  • A device to effectively resolve disputes between dual driving forces

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and embodiment the present invention is further introduced:

[0018] A device for effectively resolving disputes over dual driving forces, comprising a driving mechanism A1, a spool valve housing 2, a driving mechanism B6, a flexible rod B7, a shoulder BII8, a shoulder AII9, and a flexible rod A10; wherein, the flexible rod A10 One end is screwed to the drive mechanism A1; one end of the flexible rod B7 is screwed to the drive mechanism B6; the other end of the flexible rod A10 is connected to the other end of the flexible rod B7, and the connection is the mechanical output of the entire device end; the shoulders BII8 and AII9 are respectively provided at the two ends of the connection between the flexible rod B7 and the flexible rod A10.

[0019] The output end of the whole device is connected with the spool 4 of the servo valve slide valve.

[0020] A shoulder AI3 is provided on the flexible rod A10.

[0021] A shoulder...

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Abstract

The invention belongs to the technical field of aerospace hydraulic control, and particularly relates to a device capable of meeting different rigidity requirements and effectively resolving a dual driving force dispute. The device comprises a driving mechanism A1, a slide valve housing 2, a driving mechanism B6, a flexible rod B7, a raised shoulder BII8, a raised shoulder AII9 and a flexible rodA10, wherein one end of the flexible rod A10 is in threaded connection with the driving mechanism A1; one end of the flexible rod B7 is in threaded connection with the driving mechanism B6; the otherend of the flexible rod A10 is connected with the other end of the flexible rod B7, and the connecting part of the flexible rod A10 and the flexible rod B7 is a mechanical output end of the whole device; and the raised shoulder BII8 and the raised shoulder AII9 are respectively arranged at the two ends of the connecting part of the flexible rod B7 and the flexible rod A10. The raised shoulders have connecting functions and are mainly used for slowing down deformation of threaded parts of rod pieces and reducing the influence on the connecting part by alternating stress, thus the device reliability is improved; and the flexible rods are used for adjusting the partial rigidity of the rod pieces, so that output static and dynamic properties are considered.

Description

technical field [0001] The invention belongs to the technical field of aerospace hydraulic control, and in particular relates to a device for effectively solving disputes between double driving forces. Background technique [0002] With the rapid development of modern electronic technology, digital control technology has been widely used in electro-hydraulic servo control because of its better anti-interference performance and control performance, and a new type of digital servo valve has been formed. [0003] As one of the new digital servo valves, the direct-drive digital servo valve uses a drive mechanism to directly drive the movement of the spool valve core. It has developed rapidly in recent years, and a more reliable dual-redundant direct drive has gradually appeared. type digital servo valve. The dual-redundancy direct-drive digital servo valve uses two driving mechanisms to drive the spool valve. One of the connection methods is as follows: the two driving mechanis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/02F16K11/07F16K31/44
CPCF15B13/02F16K11/07F16K31/44
Inventor 程相陈祖希王书铭徐超左哲清
Owner BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS