Actuating mechanism for electron speed regulator

Abstract

The invention discloses an actuating mechanism for an electron speed regulator. The actuating mechanism comprises a fixed mount, wherein a stepping motor and a worm-wheel and worm transmission device are arranged on the fixed mount; the stepping motor drives a linkage rod which is in linkage with an oil feed pump rack through the worm-wheel and worm transmission device; a floating block which performs translational motion along the axial direction of the linkage rod and is used for driving the oil feed pump rack is arranged on the linkage rod; a spring which extends along the axis of the linkage rod and is used for fixing the floating block is arranged between the floating block and the linkage rod, one end of the spring is fixedly connected to the linkage rod, and the other end of the spring is fixedly connected to the floating block, and a limit structure for overcoming the acting force of the spring on the floating block to perform one-way limit on the floating block is arranged onthe linkage rod; an emergent shut-down device is arranged on the fixed mount, and the emergent shut-down device comprises a shut-down electromagnet and a push rod which is in transmission connection with the shut-down electromagnet; and the shut-down electromagnet provides thrust for the push rod, so the push rod pushes the oil feed pump rack and the floating block and the linkage rod to generaterelative motion by overcoming the acting force of the spring on an oil feed pump rack shaft through the floating block.

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

However, the structure adopted in the above-mentioned worm and gear transmission mechanism through the swing rod and the linkage rod is likely to cause the linkage rod to be stuck and fall off, and the speed regulation stability and reliability have obvious defects. In addition, the elastic clamp at the end of the linkage rod Linked with the rack of the oil supply pump, the overall assembly process requires a high level of proficiency for the installation workers, the assembly is complicated, and the assembly efficiency is low

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