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Shock excitation broaching device of accommodating cavity dynamic pressurization and shock excitation parameter adjusting method of shock excitation broaching device

A vibration-exciting and dynamic technology, which is applied in broaching devices, fluid pressure actuators, broaching machines, etc., can solve the problems affecting the vibration-exciting performance, the excitation frequency and amplitude cannot be adjusted accurately, and the driving method is cumbersome, etc.

Pending Publication Date: 2019-03-01
HANGZHOU DIANZI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its driving method is too cumbersome, and the excitation frequency and amplitude cannot be adjusted accurately, and large fluctuations will occur when the excitation oil circuit is switched at high speed, which will affect the excitation performance

Method used

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  • Shock excitation broaching device of accommodating cavity dynamic pressurization and shock excitation parameter adjusting method of shock excitation broaching device
  • Shock excitation broaching device of accommodating cavity dynamic pressurization and shock excitation parameter adjusting method of shock excitation broaching device
  • Shock excitation broaching device of accommodating cavity dynamic pressurization and shock excitation parameter adjusting method of shock excitation broaching device

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with accompanying drawing.

[0050] Such as figure 1 As shown, the vibration broaching device with dynamic pressurization of the cavity includes a broaching main hydraulic cylinder 1, a broach 2, a frame 3, an electro-hydraulic drive part, a signal feedback part and a system state monitoring and control part. The main hydraulic cylinder 1 for broaching is fixed on the frame 3 .

[0051] Such as figure 2 , 3 As shown in and 4, the electro-hydraulic drive part includes an excitation oil source, a single rod excitation cylinder, a connecting sleeve 4, a first servo valve 5, a second servo valve 6, a first oil pressure adjustment assembly 7 and a second oil Pressure regulator assembly 8. The single-rod excitation cylinder includes a cylinder body 9 and an excitation piston rod 10 . The cylinder body 9 and the frame form a sliding pair, and are fixed with the broaching piston rod of the broaching main...

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Abstract

The invention discloses a shock excitation broaching device of accommodating cavity dynamic pressurization and a shock excitation parameter adjusting method of the shock excitation broaching device. The device solves the problems that an existing shock excitation broaching device has no parameter adjusting performance, or parameter adjusting is not in time. The shock excitation broaching device ofaccommodating cavity dynamic pressurization comprises a broaching main hydraulic cylinder, a broaching cutter, a machine frame, an electro-hydraulic driving part, and a signal feedback part. The electro-hydraulic driving part comprises a shock excitation oil source, a single rod out shock excitation cylinder, a first servo valve, a second servo valve, a first oil pressure adjusting assembly and asecond oil pressure adjusting assembly. The first oil pressure adjusting assembly and the second oil pressure adjusting assembly comprise stepping motors, disc-shaped cams and pressure adjusting pistons. The shock excitation oil source comprises a double-pump, a first reversing valve, a second reversing valve, a one-way valve, an overflow valve and a first throttle valve. The signal feedback partcomprises a first oil pressure transmitter, a second oil pressure transmitter, a third oil pressure transmitter, a laser distance measuring sensor and an acceleration sensor. Shock excitation parameters can be adjusted in real time by dynamic cylinder body accommodating cavity size adjusting.

Description

technical field [0001] The invention belongs to the technical field of electro-hydraulic servo excitation, and in particular relates to an excitation broaching device based on double-valve drive and dynamic pressurization of a cavity and an adjustment method for excitation parameters thereof. Background technique [0002] The electro-hydraulic exciter usually uses a small-power electric exciter to drive the hydraulic servo valve to control the hydraulic pressure medium in the pipeline, and a large excitation force is generated on the piston in the hydraulic cylinder, so that the excited part is vibrated. The electro-hydraulic vibrator is an improved new type of high-efficiency vibration source equipment. It has the advantages of large processing capacity, reliable operation and high screening efficiency, and can be designed and manufactured according to the needs of users. Electro-hydraulic vibrators are widely used in many important engineering fields, such as automotive de...

Claims

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Application Information

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IPC IPC(8): B23D41/08F15B1/04F15B11/16F15B13/02F15B13/06F15B21/04
CPCF15B1/04F15B11/16F15B13/02F15B13/06F15B21/041B23D41/08
Inventor 蒙臻张旗倪敬孙继腾
Owner HANGZHOU DIANZI UNIV
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