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A Dynamic Measurement and Feedback Method of Hydraulic Tension Force of Belt Conveyor

A belt conveyor and dynamic measurement technology, which is applied to conveyors, conveyor objects, conveyor control devices, etc., can solve problems such as inaccurate tension measurement, achieve stable operation, accurate measured values, and avoid effect of error

Active Publication Date: 2019-08-30
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of this measurement feedback technology is to solve the problem of inaccurate tension measurement under dynamic conditions; by directly measuring the tension distribution of the drum, the tension value can be measured accurately, real-time and dynamically, and the data analysis process is accurate and fast , scientific, reliable

Method used

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  • A Dynamic Measurement and Feedback Method of Hydraulic Tension Force of Belt Conveyor
  • A Dynamic Measurement and Feedback Method of Hydraulic Tension Force of Belt Conveyor
  • A Dynamic Measurement and Feedback Method of Hydraulic Tension Force of Belt Conveyor

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Embodiment Construction

[0043] The electrical control system also includes an alarm device connected to the electrical control cabinet; when the difference between the measured driving force and the calculated driving force exceeds a set threshold, the electrical control cabinet controls the frequency converter of the drum to stop and start an alarm at the same time The device alarms.

[0044] The hydraulic system includes an oil tank, an oil supply circuit connected to the oil tank, and the first and second servo reversing valves; the oil supply circuit includes a main oil outlet circuit, two branch oil outlet circuits and two branch oil return circuits; the main outlet oil circuit One end of the oil circuit is connected to the fuel tank, and the other end is divided into two circuits and respectively connected to two servo reversing valves. A hydraulic pump and a check valve are connected in series on the main oil outlet circuit; the two branch oil outlet circuits include the first oil outlet Road ...

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Abstract

The invention discloses a dynamic measuring and feedback method for hydraulic tensioning force of a belt type conveyor. The dynamic measuring and feedback method is characterized by adopting an electrical measuring system, a hydraulic servo system, an electrical control system, a movable tensioning device, a movable type mechanical base and a detachable type tensioning oil cylinder hinge lug positioning device. The dynamic measuring and feedback method belongs to a technical detecting means for feeding back tensioning force of a conveyor belt in real time, can accurately detect a tensioning force value of the conveyor belt, responds to load changes at any time, timely responds to tensioning force of the conveyor belt, controls the tensioning force of the conveyor belt to keep constant, prevents a belt from sliding and guarantees normal operation of the conveyor; the dynamic measuring and feedback method can apply real-time data to detect under different operation state conditions to directly detect instant tensioning force of the belt type conveyor, prevents inaccuracy caused by indirectly measuring system pressure, and prevents the belt type conveyor from faults through single chip microcomputer real-time computation and tensioning force value comparison. The conveyor belt is completely suitable for material conveying under a complex condition, improves working efficiency of the belt type conveyor, prolongs the service life of the belt type conveyor, and reduces an accident occurrence rate and maintenance time.

Description

technical field [0001] The invention relates to conveyor belt tensioning technology, in particular to a method for dynamic measurement and feedback of hydraulic tension force of a belt conveyor. Background technique [0002] The belt conveyor is the main tool for the transportation of bulk materials, and its mode of operation depends on the friction between the conveyor belt and the roller. For large belt conveyors with large conveying capacity and long distances, the function of the hydraulic tension adjustment device is to ensure that there is sufficient contact area between the conveyor belt and the roller to ensure the running friction of the conveyor belt; therefore, the tension force The stability of the belt conveyor is particularly important for the normal operation of the belt conveyor. However, the operation of the belt conveyor is a dynamic process, and the load conveying capacity is constantly changing; especially when the belt conveyor is started, in order to e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G23/44B65G43/02
Inventor 张晓刚
Owner TAIYUAN UNIV OF TECH
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