Control method of salt pond tarpaulin winding and unwinding device

By adjusting the rotation speed of the roller and winch through real-time detection and collaborative control devices, the problems of low efficiency and poor safety in the operation of tarpaulin deployment and take-up in salt ponds have been solved, realizing the automated deployment and take-up of tarpaulins and improving production efficiency and equipment safety.

CN121107296APending Publication Date: 2025-12-12天津长芦汉沽盐场有限责任公司 +1
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Patent Information

Application Number
CN202511560694.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2025-12-12

AI Technical Summary

Technical Problem

In the existing technology, the operation of salt pond tarpaulin deployment and retraction relies on manual assistance, which is inefficient, unsafe, and the accuracy of manual inspection is insufficient, resulting in tarpaulin folding or excessive pulling, shortening its service life.

Method used

The system employs a control device to monitor the conveying speed and rope tension at both ends of the tarpaulin in real time. Through the coordinated control of the roller and winch, the rotation speed is adjusted to ensure consistent speed and tension, thereby achieving automated tarpaulin deployment and retraction.

Benefits of technology

It improves the automation level of tarpaulin deployment and take-off, reduces manual intervention, ensures production efficiency and equipment safety, and extends the service life of tarpaulins.

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Abstract

The invention discloses a control method of a salt pond tarpaulin winding and unwinding device, and relates to the field of automatic tarpaulin winding and unwinding control. The take-up and pay-off device comprises reels at the two ends of the salt pond, multiple sets of winches, a control device and a detection device. The control method comprises the steps that the control device controls the reels and the winches to rotate at the preset speed; the detection device detects a first conveying speed and a second conveying speed of movement of two ends of the tarpaulin in real time and transmits the speed to the control device; the control device compares the two speeds with a preset speed, and if deviation exists, the rotating speed of the reel and the rotating speed of the winch are adjusted to be consistent with the preset speed; the detection device detects first tension of ropes at the multiple groups of winches in real time and transmits the first tension to the control device; the control device compares the first tension with first preset tension, and if a certain first tension deviates, the rotating speed of the corresponding winch is adjusted, so that the first tension is consistent with the first preset tension. The method can reduce manual intervention, avoid tarpaulin folding or stretching, prolong the service life of the tarpaulin and improve the automatic control level.
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