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A combine harvester and its cleaning screen box

A combine harvester and sieve box technology, applied in agricultural machinery and tools, threshing equipment, applications, etc., can solve the problems of inconvenient disassembly, time-consuming and labor-intensive, affecting operation efficiency, etc., achieve quick disassembly, improve operation efficiency, The effect of the best cleaning effect

Active Publication Date: 2017-07-25
ZOOMLION HEAVY MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For large combine harvesters, the sieve needs to be replaced at any time according to the specific situation (such as harvesting different crops). The convenience of replacement becomes a problem, because the sieve is generally fixed by many bolts, and all bolts must be removed when replacing. Inconvenient, time-consuming and labor-intensive, affecting work efficiency

Method used

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  • A combine harvester and its cleaning screen box
  • A combine harvester and its cleaning screen box
  • A combine harvester and its cleaning screen box

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] see figure 1 , figure 2 , a cleaning screen box of a combine harvester, comprising two side wall panels 1, a tailgate 9 is connected between the tail ends of the two side wall panels, and the upper Rough selection screen 12, selection screen and grain slideway 6 are arranged successively from bottom to bottom, and upper screen support chute 3 and lower screen support chute 5 are arranged on the inner sides of the two side wall panels, and the coarse selection screen is inserted in the In the support chute of the upper screen, the selection screen is inserted in the support chute of the lower screen.

[0021] In this embodiment, the cleaning screen box is assembled between the machine bodies. The two side wall panels 1 are composed of two thin sheet metal parts. The two side wall panels are connected by welding the grain slideway 6. There is a sealing strip 8 between the two side wall panels, which constitutes the framework of the cleaning screen box. The inner sides...

Embodiment 2

[0036] A combine harvester, which includes the cleaning screen box. For the technical content of the cleaning screen box, please refer to the content disclosed in Embodiment 1, and the description will not be repeated here.

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PUM

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Abstract

The invention relates to a combine harvester and its cleaning screen box, which comprises two side wall plates, a rear baffle plate is connected between the tail ends of the two side wall plates, and a A coarse screen, a fine screen, and a grain slideway are arranged in sequence from top to bottom, and an upper screen support chute and a lower screen support chute are arranged on the inside of the two side wall panels, and the rough screen is inserted into the upper In the sieve support chute, the selection sieve is inserted in the lower sieve support chute. The roughing sieve and the selecting sieve in the present invention are installed through the corresponding support chute, which facilitates the replacement of the roughing sieve and the selecting sieve when cleaning different crops, so as to achieve the best cleaning effect and improve the efficiency of cleaning operations .

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a combine harvester and a cleaning screen box thereof. Background technique [0002] The harvested grains must enter the impurity removal device for impurity removal before entering the warehouse or for seed cleaning. As far as the air sieve type is concerned, the impurity removal device is generally a sieve box structure with different types of sieves inside. Generally, the upper part is a coarse Sieve, the lower part is the selection sieve. After the grain enters the sieve box, it first passes through the coarse screening screen for rough selection, and the coarsely selected grain falls onto the selection sieve surface located below for selection, and finally falls into the material receiving cavity. For large combine harvesters, the sieve needs to be replaced at any time according to the specific situation (such as harvesting different crops). The convenience o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01F12/44
Inventor 左志王喜恩李树波朱璋珑
Owner ZOOMLION HEAVY MASCH CO LTD
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