An electric servo mechanism and debugging method thereof
A technology of electric servo and debugging method, which is applied to projectiles, self-propelled projectiles, offensive equipment, etc., and can solve the problems of miniaturization and low reliability requirements that are difficult to achieve.
Active Publication Date: 2016-06-01
SHANGHAI XINYUE METER FACTORY
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Problems solved by technology
[0003] Most domestic launch vehicle position sensors adopt redundant technology, such as the integrated dual / triple redundant position sensor used on active launch vehicles. It is difficult for this kind of integrated redundant position sensor to meet the miniaturization requirements of the volume
Due to low reliability requirements, the domestic tactical model electric servo mechanism position sensor does not use redundant technology
Method used
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[0046] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.
[0047] Such as Figure 1-Figure 3 As shown, an electric servo mechanism includes: an output shaft 1 , a bearing 2 , a support device 3 , a pair of feedback amplification devices 4 and a pair of sector gears 5 .
[0048] Among them, the bearing 2 is sleeved on the output shaft 1; the support device 3 is sleeved outside the bearing 2; a pair of feedback amplifiers 4 are symmetrically arranged on the support device 3 on both sides of the output shaft 1; a pair of sector gears 5 are symmetrical Fixedly arranged on the output shaft 1 , each sector gear 5 is meshed and matched with the corresponding feedback amplifier 4 .
[0049] Such as Figure 1-Figure 3 As shown, each feedback amplification device 4 includes: a potentiometer 41 , a main gear 42 , a pinion gear 43 , a pair of torsion springs 44 and a retaining rin...
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The invention discloses an electric servo mechanism and a debugging method thereof, which are designed according to the characteristics that a launcher type small-sized servo mechanism is relatively high in requirements on sensitivity of volume and weight as well as feedback reliability. A pair of feedback amplifying devices is arranged at the two sides of an output shaft, each feedback amplifying device comprises a potentiometer, a primary gear, a secondary gear, and the like, wherein the potentiometer adopts a conductive plastic potentiometer, so that the weight and the volume of the electric servo mechanism are greatly reduced; the primary gear and the secondary gear adopt staggered-tooth fit, so that a gap can be eliminated. The debugging method for the electric servo mechanism provided by the invention is a debugging method for the electric servo mechanism based on a dual-position feedback device. By virtue of a mode of testing and screening before mounting the potentiometer, mounting the gear amplifying devices and eliminating the gap in a staggered-tooth mode, the position feedback detecting precision is improved, and the two-path feedback output consistency is guaranteed.
Description
technical field [0001] The invention relates to a debugging method of an electric servo mechanism based on a dual-position feedback device, in particular to an electric servo mechanism and a debugging method thereof. Background technique [0002] The position servo system compares the position feedback signal with the command signal, and then follows the command for action, so as to obtain accurate position, speed and power output. As an important actuator of the launch vehicle, the servo system realizes position tracking by collecting position feedback signals in real time, and drives the rocket engine to swing in both directions. As an important component of the servo system, the position sensor is very important for its reliability. [0003] Most domestic launch vehicle position sensors adopt redundant technology, such as the integrated dual / triple redundant position sensor used on active launch vehicles. It is difficult for this kind of integrated redundant position sen...
Claims
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IPC IPC(8): F42B15/01
Inventor 冀娟傅俊勇冯伟于戈
Owner SHANGHAI XINYUE METER FACTORY