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Driving method of automatic level adjusting device of hydraulically operated terminal pad

A technology of level adjustment device and driving method, which is applied in the direction of transportation and packaging, conveyor objects, etc., which can solve the problems of instability, back and forth oscillation of the connection plate, etc., and achieve the effects of short adjustment time, small overshoot and high precision

Active Publication Date: 2012-04-25
CHINA GEZHOUBA GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inertia of the hydraulic system, the adjustment method of simply controlling the conduction and cut-off of the electro-hydraulic directional valve simply according to the positive and negative values ​​of the inclination angle of the connection plate will easily cause the connection plate to oscillate back and forth for a long time, and even cannot be stable at all.

Method used

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  • Driving method of automatic level adjusting device of hydraulically operated terminal pad
  • Driving method of automatic level adjusting device of hydraulically operated terminal pad
  • Driving method of automatic level adjusting device of hydraulically operated terminal pad

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Embodiment Construction

[0027] Such as figure 1 , figure 2 Among them, a hydraulically driven connection plate automatic level adjustment device, including a connection plate 2, the connection plate 2 is provided with an upper hinge point 3 of the connection plate and a lower hinge point 8 of the connection plate, and the upper hinge point 3 of the connection plate is connected to a belt conveyor, Another belt conveyor connected to the hinge point 8 under the connection plate, the connection plate 2 can rotate around the pin shaft of the hinge point 3 on the connection plate, the preferred solution is to rotate the hinge point 3 on the connection plate, one side of the connection plate 2 and the hydraulic pressure One end of the oil cylinder 1 is connected, and the other end of the hydraulic oil cylinder 1 is fixed on the belt conveyor, and the level of the connection plate 2 is controlled by the expansion and contraction of the piston of the hydraulic oil cylinder 1 .

[0028] Such as Figure 4 A...

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Abstract

The invention discloses an automatic level adjusting device of a hydraulically operated terminal pad and a driving method thereof and relates to an automatic level adjusting device of a terminal pad connected with a feed belt and a driving method thereof. After a programmable logic controller (PLC) is connected with an electro-hydraulic change-over valve, PID control mode is combined with the conventional relay switch control mode to control the electro-hydraulic change-over valve so as to control the piston motion in the hydraulic oil cylinder, ensure that the terminal pad performs rotary motion around the upper hinge pin and realize the automatic level adjustment of the terminal pad; and the control mode has high precision, short adjusting time and low overshoot.

Description

technical field [0001] The invention relates to an automatic level adjustment device and a driving method of a connecting disc connected to a conveying belt, in particular to an automatic level adjusting device and a driving method of a hydraulically driven connecting disc. Background technique [0002] The two adjacent conveyor belts of the distributing machine are usually connected by a slewing bearing or a connection plate, and the connection plate and the conveyor belt are connected by a pin shaft. In order to ensure enough working space for the distribution machine to run up and down, and to ensure that there is no collision between the connecting plate and the conveyor belt, the connecting plate must always be kept in a horizontal state. The automatic adjustment device for maintaining the level of the connection plate should not only ensure sufficient steady-state adjustment accuracy, but also ensure the rapidity of the system, and the overshoot should be as small as p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G47/46
Inventor 周厚贵石义刚关贤武陈宏夏雨
Owner CHINA GEZHOUBA GROUP CO LTD
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