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Improved telescopic reel

A technology for reels and supporting frames, applied in the field of retractable reels, which can solve the problems of non-existence, no spatial continuity of cross bars, poor crop raising performance, etc.

Active Publication Date: 2018-03-16
STW有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, such a configuration does not provide spatial continuity of the crossbar, which leads to the problem that there are no teeth for raising the crop in discontinuous areas, causing poor crop raising performance during harvesting operations

Method used

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  • Improved telescopic reel
  • Improved telescopic reel
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Examples

Experimental program
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Embodiment Construction

[0015] refer to figure 1 , shows an example of a reel 21 according to the present invention.

[0016] The reel 21 is connected to a support fork 23 which preferably consists of a structure consisting of two tubes with a parabolic shape passing near their two ends through two tubes with a cylindrical cross-section. The crossbars are connected to each other. Alternatively, the two transverse bars of the support fork 23 may have any cross-section. Two axles are welded to one end of the two pipes to enable the reel 21 to rotate on pins or be lifted by using two hydraulic cylinders. Unlike conventional solutions known in the prior art, the support fork 23 can be connected in the central part of the reel 21 . It must be noted that the support fork 23 does not belong to the reel 21 but can be connected to it; for example, the support fork 23 may be a connection between the reel 21 and the harvester.

[0017] The reel 21 comprises a telescoping support frame 25, preferably constru...

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PUM

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Abstract

An improved telescopic reel is described, which comprises a telescopic supporting frame and a central module comprising at least one bracket constrained to said supporting frame and connectable to bearing and / or guiding means through fastening means. The bearing and / or guiding means are adapted to bear and guide, during its rotary motion, at least one transversal intersection element of said reel;said bearing and / or guiding means being positioned on said at least one intersection element at a first distance from a longitudinal central shaft of the reel, said first distance being greater thanor equal to a second distance between said central shaft and a crosspiece of the reel.

Description

technical field [0001] The present invention relates to an improved retractable reel. Background technique [0002] By definition, a reel is that part of the header of a harvester at its front end. The task of the reel is to accompany the produce during harvest, lift it from the ground and convey it towards the cutting section of the header for grain, soybeans, canola, rice and other agricultural products. A reel typically includes a plurality of crossbars to which spring-loaded tines for raising the crop are anchored. [0003] Telescopic reels are known in the field of agricultural machines; in particular, US Patent Document US 3,561,198 discloses a telescopic reel in which the cross members making up the reel are inserted into each other to allow reeling. The reel takes a retracted position as well as an extended position. [0004] US patent document US 5,350,020 discloses a crop raising system comprising a reel connected to a frame supported by two hydraulically contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01D57/02
CPCA01D57/02A01D57/04A01D69/06
Inventor L·阿曼朵L·波吉奥瓦尼
Owner STW有限责任公司
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