Electronic speed governor actuating mechanism

Abstract

The invention discloses an electronic speed governor actuating mechanism which comprises a fixed mount, and a stepping motor and a lead screw transmission device are installed on the fixed mount. A nut stop block matched with the stopping and the guiding of a nut is fixedly arranged on the fixed mount, and the nut stop block and the nut are matched in a sliding manner along the axial direction ofa lead screw. A sliding bar stretching along the axial direction of the lead screw is fixedly connected to the nut, a floating block transversely moving along the axial direction of the sliding bar and used for driving a fuel feed pump rack is arranged on the sliding bar, a limiting structure for unidirectionally limiting the floating block is arranged on the sliding bar, and a spring stretching along the axial direction of the sliding bar and used for pressing the floating block against the limiting structure of the sliding bar is arranged between the floating block and the sliding bar. An emergency shutdown device is arranged on the fixed mount and comprises a shutdown electromagnet and an emergency shutdown transmission mechanism, wherein the emergency shutdown transmission mechanism is connected with the shutdown electromagnet and is used for overcoming the action force of the spring on the floating block and the fuel feed pump rack so as to drive the floating block and the fuel feed pump rack to move toward the minimum throttle position.

Description

technical field [0001] The invention belongs to the field of electronic governors for engines, and in particular relates to an electronic governor executive mechanism. Background technique [0002] The governor is the control center of the engine, which can automatically adjust the circulating oil supply of the engine according to the change of the engine load, and keep the engine speed stable, so as to ensure the engine has good working performance. Centrifugal mechanical governors are used on small engines. As the first-generation governors, centrifugal mechanical governors have complex structures and poor speed regulation accuracy, which cannot meet market needs. In recent years, due to the development of computer technology, digital electronic governors are mostly used for speed regulation of diesel engines, but the development of digital electronic governors in China is relatively slow, especially for digital electronic governors developed for small-power diesel engines...

AI Technical Summary

Problems solved by technology

The centrifugal mechanical governor is used on small engines. As the first generation governor, the centrifugal mechanical governor has a complicated structure and poor speed regulation accuracy, which cannot meet the needs of the market.

In recent years, due to the development of computer technology, digital electronic governors are mostly used for speed regulation of diesel engines, but the development of digital electronic governors in China is relatively slow, especially for digital electronic governors developed for small-power diesel engines or diesel generator sets. The field of type electronic speed controller is still blank

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