Check patentability & draft patents in minutes with Patsnap Eureka AI!

Amplitude variation control system

A control system and reversing valve technology, which is applied to lifting devices, fluid pressure actuating devices, servo motors, etc., can solve the problems of unreliable control and poor stability of the luffing system, and achieve simple structure, stable performance, stable lifting and lowering. Effect

Pending Publication Date: 2020-07-10
SHENGBANG GRP +3
View PDF0 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of unreliable control and poor stability of the existing variable amplitude system in the background technology, the present invention provides a variable amplitude control system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Amplitude variation control system
  • Amplitude variation control system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

[0025] Depend on figure 2 As shown, a luffing control system includes a fuel tank 1, a hydraulic pump 2, a first reversing valve 3, a second reversing valve 5, a proportional flow valve 8 and a working oil cylinder 6, and the working oil cylinder includes a rodless cavity 61 and a rod cavity 62;

[0026] The hydraulic pump is used to input the hydraulic oil in the oil tank to the rodless cavity or the rod cavity of the working cylinder through the first reversing valve;

[0027] The first reversing valve has a first position connected with the rodless cavity of the working oil cylinder through the second reversing valve, a second position with a neutral cut-off, and a third position connected with the rod cavity of the working oil cylinder;

[0028] a second reversing valve, having a rodless first position and a cut-off second position for communicati...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an amplitude variation control system. By means of the amplitude variation control system, the problem that an existing amplitude variation control system is unreliable and poorin stability is solved. The amplitude variation control system comprises an oil box, a hydraulic pump, a first reversing valve, a second reversing valve, a proportional flow quantity valve and a working oil cylinder, wherein the working oil cylinder comprises a rodless cavity and a rod cavity, the hydraulic pump is used for inputting hydraulic oil inside the oil box into the rodless cavity or therod cavity of the working oil cylinder through the first reversing valve, the first reversing valve is provided with one first position for being connected with the rodless cavity of the working oilcylinder through the second reversing valve, one second position for neutral position cut-off and one third position for being connected with the rod cavity of the working oil cylinder, the second reversing valve is provided with one first position for communicating with the rodless cavity of the working oil cylinder and one second position for the cut-off, and the proportional flow quantity valvecommunicates with the rodless cavity of the working oil cylinder through the second reversing valve when the first reversing valve is at the third position and is matched with the oil returning flowquantity of the rodless cavity and the oil inlet flow quantity of the rod cavity. The amplitude variation control system has the advantages of being simple in structure, stable in performance, long inservice life and the like.

Description

technical field [0001] The invention relates to a variable amplitude control system. Background technique [0002] With the requirements for efficiency improvement in the construction industry, the demand for aerial work platform equipment is becoming more and more extensive. It is often used to perform high-altitude work such as exterior wall repairs, high-altitude construction, and street lighting installations. The existing luffing and lowering system for aerial work platform products has two modes of luffing and lowering, gravity drop and dynamic drop. These two modes of luffing and lowering have their own advantages and disadvantages. [0003] In the system under gravity, the hydraulic pump supplies pressure oil, the solenoid valve is reversed, the solenoid valve is in the right position, and after the pressure oil passes through the reversing valve, the one-way valve is opened to enter the rodless cavity of the cylinder, and the cylinder can be moved upward. The lift...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B66F11/00F15B11/08
CPCB66F11/00F15B11/08
Inventor 姜伟姜洪王震山张晓磊李贺史浙安陈钊汶王哲亮
Owner SHENGBANG GRP
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com