Cotton picker air pipe control mechanism

Abstract

The invention discloses a cotton picker air pipe control mechanism. The cotton picker air pipe control mechanism is used for controlling lifting of a slide air pipe in a cotton delivering pipe; the cotton picker control mechanism comprises a cross beam, two scissor fork arm sets and an oil cylinder, and the cross beam is used for making the cotton picker air pipe control mechanism connected with the slide air pipe; the upper ends of the scissor fork arm sets are connected with the cross beam, and the lower ends of the scissor fork arm sets are fixed to a given base; the upper end of the oil cylinder supports the cross beam, and an oil cylinder base to be used for installing the oil cylinder is arranged at the lower end of the oil cylinder. The cotton picker air pipe control mechanism liftsand falls reliably, and the influence on passing performance and a driver's vision is small.

Description

technical field [0001] The invention relates to a control mechanism for an air pipe of a cotton picker, wherein the air pipe is also called a cotton conveying pipe. Background technique [0002] Such as figure 1 As shown, it is a schematic diagram of the structure of a common cotton picker at present. It is different from the traditional cotton picker in that its cotton box adopts double-layer cotton boxes. As shown in the figure, the outer cotton box A2 and vertically nested outside The inner cotton box A1 in the cotton box A2 is vertically guided to the outer cotton box A2, so that when it is empty, the inner cotton box A1 falls down, reducing the overall height of the cotton picker and improving the passability , and when the capacity of the cotton box needs to be expanded, the inner cotton box A1 is raised. figure 1 The conveying height of the cotton conveying pipe A4 shown in must match the height of the cotton box, therefore, as figure 2 As shown, the cotton delive...

AI Technical Summary

Problems solved by technology

[0004] Chinese patent document CN104285589A discloses a lifting mechanism for the cotton conveying air duct in the cotton picker. It first points out in the background technology that when the inner cotton box is raised and lowered, it is necessary to ensure that the cotton conveying air duct also rises and falls accordingly, and points out that the existing The structure of the mechanism to realize the lifting and lowering of the cotton conveying duct is complex and costly, and cannot be applied to small and medium-sized cotton pickers

For the movable support, it not only needs to guide, but also requires that at the end of the working stroke, the guide rail still needs to have a relatively high supporting capacity for the movable support. Therefore, at the end of the working stroke of the movable support, the guide rail and the movable support still need to maintain The larger matching length requires the guide rail to have a relatively large height. In practical applications, the height of the guide rail may be higher than the cab A5, which will have a certain impact on the passability

At the same time, even if the passability is not considered, the guide rail and the attached vertical plate will affect the driver's sight

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