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Pressure-resisting type one-way proportion electromagnet

A proportional electromagnet, one-way technology, applied in the hydraulic field, can solve problems such as difficult to withstand high pressure

Inactive Publication Date: 2015-02-25
CHANGZHOU FEIYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relatively simple structure of the existing one-way proportional electromagnet, it is difficult to be able to withstand high voltage

Method used

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  • Pressure-resisting type one-way proportion electromagnet

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Embodiment Construction

[0013] Such as figure 1 A pressure-resistant unidirectional proportional electromagnet shown includes a push rod 1, an armature 7, a guide sleeve 10, a housing 11, a yoke 13, a spring 6 and an adjusting screw 5, and the push rod 1 is installed on the armature 7, the rear end of the armature 7 is provided with a spring 6 and an adjusting screw 5, the armature 7 is installed on the bearing ring 8, the guide sleeve 10 is in a cylindrical structure, and the guide sleeve 10 is front and rear The two sections are magnetically permeable materials. The front section of the guide sleeve 10 is provided with a tapered basin mouth, and the two sections are welded into a whole by a magnetic isolation ring 9. A concentric solenoid is arranged between the shell 11 and the guide sleeve 10. Type control coil 3, the yoke 13 is located at the front end of the guide sleeve 10. There are two bearing rings 8, which are respectively sleeved on the ends of the armature 7. The magnetically permeable...

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Abstract

The invention discloses a pressure-resisting type one-way proportion electromagnet. The pressure-resisting type one-way proportion electromagnet comprises a push rod, an armature, a guide cover, a shell, yoke iron, a spring and an adjusting screw. The push rod is installed at the front end of the armature. The spring and the adjusting screw are arranged at the back end of the armature, and the armature is installed on a bearing ring. The guide cover is of a cylindrical structure, the front section and the back section of the guide cover are made of permeability magnetic materials, a taper pot opening is formed in the front section of the guide cover, and the two sections are welded into a whole through a magnetism isolating ring. A concentric solenoid control coil is arranged between the shell and the guide cover. The yoke iron is located at the front end of the guide cover. The pressure-resisting type one-way proportion electromagnet is simple and reasonable in structure, and due to the fact that the guide cover of the cylindrical structure has enough pressure-resisting strength, the one-way proportion electromagnet can bear 35 Mpa hydraulic pressure; the push rod arranged at the front end of the armature is used for outputting power or moving, and a zero setting mechanism is formed by the adjusting screw and the spring which are installed at the back end of the armature. The armature is supported by the bearing ring so that viscous friction force can be reduced.

Description

technical field [0001] The invention relates to the field of hydraulic technology, in particular to a pressure-resistant unidirectional proportional electromagnet. Background technique [0002] As an electro-mechanical conversion device of the electro-hydraulic proportional control element, the proportional electromagnet is used to convert the current signal output by the proportional control amplifier into force or displacement. The proportional electromagnet has a large thrust, simple structure, low requirements on oil quality, convenient maintenance, and low cost. The armature cavity can be made into a high-voltage resistant structure. It is the most widely used electro-mechanical converter in electro-hydraulic proportional control technology. The characteristics and working reliability of the proportional electromagnet have a very important influence on the electro-hydraulic proportional control system and components, and are one of the key components of the electro-hydr...

Claims

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Application Information

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IPC IPC(8): H01F7/08H01F7/121
Inventor 吴玉飞
Owner CHANGZHOU FEIYU CHEM
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