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Speed controller executor

A technology of actuators and governors, applied in the direction of governors, machines/engines, fuel injection control, etc., can solve the problem of slow response of hydraulic governors, and achieve the effect of rapid response

Inactive Publication Date: 2020-06-19
CHONGQING HONGJIANG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the hysteresis of the adjustment of the hydraulic system, the hydraulic governor generally responds slowly

Method used

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  • Speed controller executor
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Examples

Experimental program
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Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] like Figure 1 to Figure 4 As shown, a speed governor actuator includes a housing 16, a servo motor 13 and an actuator output shaft 3, the servo motor 13 is fixed in the housing 16 and connected to the speed governor controller through a plug socket 17; The actuator output shaft 3 is installed on the housing 16 through the bearing 5; it also includes the pointer 2, the sector tooth plate 7, the feedback cam 8, the torsion spring 11, the gear 15 and the position sensor 18. The pointer 2 is fixed on the actuator output shaft 3 through the set screw 4 and is located outside the casing 16; the casing 16 is provided with an indicator 1 at a position corresponding to the pointer 2, and the actuator is displayed through the pointer 2. The position of output shaft 3. The sector tooth plate 7 and the feedback cam 8 are located in the housing 16, and the sector tooth pl...

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PUM

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Abstract

The invention discloses a speed controller executor. The speed controller executor comprises a shell, a servo motor, an executor output shaft, a pointer, a fan-shaped gear plate, a feedback cam, a torsional spring, a gear and a position sensor, wherein the servo motor is fixed to the shell; the executor output shaft is arranged on the shell; the pointer is fixed to the executor output shaft, and is positioned outside the shell; an indicating board is arranged at a position corresponding to the pointer outside the shell; the fan-shaped gear plate and the feedback cam are positioned in the shell; the fan-shaped gear plate and the feedback cam are fixed to the executor output shaft in sequence from left to right; the executor output shaft is sleeved with the torsional spring, and the torsional spring is positioned on a right side of the feedback cam; one end of the torsional spring is fixed to the feedback cam, and the other end of the torsional spring is fixed to the shell; the gear is fixedly connected with a motor shaft of the servo motor; the gear is meshed with the fan-shaped gear plate; and the position sensor is fixed to the shell. According to the speed controller executor, the rotation of the servo motor is transferred through a gear pair and the executor output shaft in order to directly drive a fuel injection pump rack to control the fuel delivery.

Description

technical field [0001] The invention belongs to the technical field of marine diesel engines, and in particular relates to an actuator of an electronic governor. Background technique [0002] The governor is a speed control mechanism of the diesel engine. The condition for a diesel engine to run stably at a certain speed is that the output power must be balanced with the external load, and the change of the external load will definitely cause a corresponding change in the speed of the diesel engine. The output power of the diesel engine is directly related to the amount of fuel delivered to the cylinder by the fuel injection pump; if the fuel supply of the fuel injection pump remains unchanged, the speed will increase when the external load decreases; and the speed will decrease when the external load increases. The function of the governor is to automatically increase the fuel supply of the fuel injection pump when the speed of the diesel engine decreases; to automatically...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D1/08
CPCF02D1/08F02D31/007F02D2001/082
Inventor 徐茂杨恩志李胜曹钰龙定江吴庆林
Owner CHONGQING HONGJIANG MACHINERY