Dual-mode parking electromagnetic valve of electro-hydraulic speed regulator

A governor, dual-mode technology, applied in valve device, valve detail, machine/engine, etc., to achieve the effect of easy adjustment and compact structure

Pending Publication Date: 2022-07-29
CHONGQING HONGJIANG MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since different types of diesel engines under different working conditions often have specific types of governors, they also have different safety requirements. The application of the existing parking solenoid valve cannot meet different needs

Method used

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  • Dual-mode parking electromagnetic valve of electro-hydraulic speed regulator
  • Dual-mode parking electromagnetic valve of electro-hydraulic speed regulator
  • Dual-mode parking electromagnetic valve of electro-hydraulic speed regulator

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Experimental program
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Effect test

Embodiment Construction

[0024] The structure and working principle of the present invention will be further described below with reference to the accompanying drawings.

[0025] see figure 1 , The dual-mode parking solenoid valve is mainly composed of spring seat 1, spring 2, steel ball 3, iron core seat 4, first bushing 5, coil 6, coil support 7, shell 8, disc spring 9, first cylindrical pin 10 , Lock nut 11, iron core stopper 12, second bushing 13, O-ring 14, iron core 15, adjustment rod 16, ejector rod 17, second cylindrical pin 18 and other components.

[0026] The spring seat 1 and the iron core seat 4 are connected by a screw thread, and a spring 2 and a steel ball 3 are arranged inside. The spring seat 1 and the iron core seat 4 have a sealing slope matching with the steel ball, see figure 2 , namely the upper sealing surface and the lower sealing surface in the figure. The bottom of the spring seat 1 has an oil inlet hole for connecting with the governor control oil circuit. The side part...

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PUM

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Abstract

The invention provides a dual-mode parking electromagnetic valve of an electro-hydraulic speed regulator. The dual-mode parking electromagnetic valve mainly comprises a shell, a coil, an iron core, an iron core seat, a spring, a spring seat, a steel ball, an iron core limiting mechanism and an ejector rod assembly. When the iron core limiting mechanism and the ejector rod assembly are arranged at the initial positions, the movement range of the steel ball can be set, and the iron core base and the spring base are each provided with a sealing face matched with the steel ball. After the parking electromagnetic valve is powered on or powered off, the steel ball is separated from the sealing surface of the iron core seat or the spring seat, so that the speed regulator controls oil to release pressure, the power piston is further caused to move towards the oil reducing direction, and the diesel engine parking effect is achieved. The two modes of power-on parking and power-off parking of the electro-hydraulic speed regulator under different working conditions can be met, safe parking of a diesel engine is guaranteed, and the device has the advantages of being compact in structure and convenient to install and adjust.

Description

technical field [0001] The invention belongs to the field of diesel engines, and in particular relates to a stop solenoid valve of an electro-hydraulic governor. Background technique [0002] The governor is a speed control mechanism of the diesel engine, which has the functions of stabilizing the speed and limiting the maximum speed. Generally, a stop solenoid valve is installed on the governor to control the stop of the diesel engine. The existing stop solenoid valve is designed for the hydraulic governor, and can only ensure that the diesel engine is stopped after the power is turned on. However, because different types of diesel engines under different working conditions often have specific types of governors and different safety requirements, some need to have two functions of "power-on stop" and "power-off stop" at the same time, so it is only simple The existing parking solenoid valve cannot meet different requirements. [0003] Therefore, a dual-mode parking solen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06F02D1/12F02D17/04
CPCF16K31/06F16K31/0655F02D1/12F02D17/04
Inventor 罗函明徐茂李胜龙定江张健杨清余长虹
Owner CHONGQING HONGJIANG MACHINERY
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