Salt-field plastic cover extrusion contraction type mechanical retraction and extension device

Abstract

The invention relates to a salt-field plastic cover extrusion contraction type mechanical retraction and extension device, which comprises a cover retraction mechanism and a cover extension mechanism, wherein one end of a cover retraction traction rope in the cover retraction mechanism come from a cover retraction roller, the other end of the cover retraction traction rope is provided with a latch hoop to be connected with a latch hook arranged at one end of a total cover retraction rope, the other end of the total cover retraction rope is placed in the long tank dam direction after being turned by 90 degrees through a cover retraction fixed pulley, one end of a plurality of cover retraction pull ropes is connected with a floating plate, the other end of the cover retraction pull ropes isrespectively wound around a plurality of corresponding cover retraction guide wheels, four cover retraction pull ropes near the cover retraction traction rope need to be respectively wound around four pulleys in a cover retraction guide wheel group and are then fixed on the total cover retraction rope, the structure of the cover retraction mechanism and the structure of the cover extension are basically identical and are in symmetrical arrangement corresponding to a salt tank and a plastic cover, and the cover retraction mechanism and the cover extension mechanism respectively and independently work. The invention realizes the mechanical retraction and extension of the plastic cover, has the advantages of simple equipment, low investment, stable performance, large retraction and extensionarea and short time, reduces the worker consumption and the work load, can not damage the plastic cover during the retraction and extension, and prolongs the service life of the plastic cover.

Description

technical field [0001] The invention relates to a Yantian plastic thatch retracting device, in particular to a Yantian plastic thatch squeeze-type mechanical retracting device. Background technique [0002] At present, Yantian plastic thatch generally adopts the following two retractable methods: [0003] 1. Manual retraction: Manually drag the plastic thatch floating board to cover the salt pond before the rain, and manually pull the plastic thatch back to the side of the pool on the pool dam after the rain. The disadvantages are: (1) It takes a lot of work to retract and release manually; (2) It takes a long time to retract and retract; (3) When the plastic thatch is collected, the damage to the plastic thatch is large when people drag the plastic thatch. [0004] 2. Floating roll-type mechanical retracting and unwinding device: The existing plastic thatch installation method has been changed on a large scale, and the floating reel is placed on one side of the salt pond. ...

AI Technical Summary

Problems solved by technology

Inadequacies: (1) It takes a lot of manual retraction and release; (2) It takes a long time to retract and release; (3) When the plastic thatch is collected, the damage to the plastic thatch is large

This method solves the shortcomings of manual retraction, which requires a lot of labor and takes a long time, but it also has the following disadvantages: (1) the investment in equipment is large; (2) the balls on both sides are not mature enough to enter the orbit, and they often fall off and damage the plastic thatch; The release speed of the floating reel and the speed of the rope pulling the floating board cannot be synchronized when plasticizing the thatch, resulting in uneven speed and damage to the plastic thatch

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