CN1339247A - Harvesting method of first combing and threshing and then crushing straw and returning it to field, and harvester thereof - Google Patents

Abstract

The combined harvester includes one combing thresher, one re-threshing cleaner, one straw crushing and returning mechanism, one hydraulic hoister and one self-propelled chassis. The threshed grain from the combing thresher are re-threshed and cleaned in the re-threshing cleaner before being bagged and the straw after the grains are threshed is crushed and spread to field by the straw crushing and returning mechanism. The combined harvester completes grain gathering and straw crushing in once step and has high reliability, high efficiency, low loss, easy operation, wide operation width, stable operation performance and wide application range.

Description

A kind of firstly thresh secondly crush returns the harvesting method and the combined harvester thereof in field

The present invention is used to gather in the crops harvesting method and the combined harvester thereof that a kind of firstly thresh secondly crush of paddy and wheat goes back to the field.

The domestic and international at present combine that generally uses, mainly be two kinds of full feed type or semi-feeding types, all feed the title all feeding-in combine that machine carries out threshing, separates and cleans in stem stalk root cutting back, grain separated from straw and does not cause damage only when its shortcoming was especially received paddy rice, grain husking and broken higher, operating efficiency is low excessively; Cut straw earlier, by its root of clamping device clamping, only the upper half part of straw is fed the title half-feeding combine of sheller unit threshing, though it can avoid some shortcomings of above-mentioned full feed type, structure is complicated, reliability is lower, and the machine price is higher.

No. 86102434 crop harvesting apparatus of Chinese patent and method, it is described only to be that a comb takes off device, the seed of harvesting crops during machinery operation, and do not done any processing to having gathered in the crops the straw that seed still is planted in soil, be unfavorable for the next round operation like this, do not meet the especially farming custom in paddy rice producing region of China rural area.

Chinese patent 96232332.2 described comb-threshing-type headers, its straw cutter sweep is vertical cutting bed, during machinery operation, is forward-lean state owing to just combed the straw that has taken off seed, be easy to produce leak and cut phenomenon, so cutting performance is unstable and relatively poor to straw adaptability; The swath of vertical cutting bed is if surpass 2m, then make lateral transfer of straw and side direction lay undesired because of the standing grain layer is too thick, so just limited the increasing of this comb-threshing-type header swath: the combine that adopts this comb-threshing-type header, its comb takes off the lifting of harvesting-platform and vertical cutting bed to be finished separately by separate two cover manipulations, executing agency's (being reversal valve and hydraulic jack) respectively, and this not only brings very big inconvenience but also have influence on the machinery operation performance to the tractor driver.

The objective of the invention is to design that a kind of firstly thresh secondly crush returns that the harvesting method in field and corresponding a kind of high reliability, high efficiency, transaction capabilities are stable, wide adaptability, easy to operate firstly thresh secondly crush return the paddy and wheat combined harvester in field.

Task of the present invention realizes in the following way: crop is after leading the guiding of standing grain plate, the fringe head fitly enters by leading the feeding mouth that standing grain plate and stripper cylinder constitute, comb by stripper cylinder and to take off, emersion object (seed and disconnected fringe etc.) relies on its own inertial and is delivered on the buffer element by throwing backward along the stripper cylinder lid by the effect of air-flow, fall into subsequently on the conveying screw feeder of rotation, carrying screw feeder that material is pushed to behind the end to be transported to by inclined transporter is positioned at answering of machine rear and takes off cleaning plant and take off again and clean, last clean seed pack, the assorted surplus field that then is discharged to: the straw that purifies seed through the stripper cylinder comb is forward-lean state, along with machine advances, the nearside divider that broken original text returns the device left and right sides, field front end purifies comb the straw of seed and the straw separation of taking off seed without comb, and then straw is pulverized by broken original text cylinder, and the straw after the pulverizing retrojects along broken original text drum cover and send and be laid in equably the field.

Realize above-mentioned firstly thresh secondly crush return the field harvesting method combined harvester as shown in drawings, it comprises that comb takes off device, take off cleaning plant again, broken original text returns the field device, hydraulic lifting apparatus, self-propelled chassis, it is characterized in that combing and take off device and be positioned at the place ahead of combined harvester and link to each other with self-propelled chassis by inclined transporter and lift arm, comb takes off device and comprises frame, stripper cylinder, carry screw feeder, stripper cylinder lid etc., be positioned at comb and take off the device back lower place, the broken original text of self-propelled chassis front lower place returns the pivoted arm of field device by two ends, the left and right sides and links to each other with self-propelled chassis, broken original text returns the field device and comprises nearside divider, broken original text cylinder and broken original text drum cover etc., comb takes off device and broken original text and returns the field device and be coupled to each other by hydraulic jack, and broken original text returns the field device and self-propelled chassis is coupled to each other by another set of hydraulic jack.

Broken original text of the present invention returns broken original text cylinder in the device of field and is positioned at broken original text and returns in the middle of the device of field, broken original text cylinder top is provided with broken original text drum cover, inside and outside anti-grass circle has been fixed at two ends, the broken original text cylinder left and right sides, nearside divider has been installed in the place ahead, the broken original text cylinder left and right sides respectively, broken original text returns the field device and links to each other with the front end of left and right sides pivoted arm respectively by bolt, and the rear end of left and right sides pivoted arm links to each other with self-propelled chassis and can rotate around the center, rear end.

Broken original text of the present invention returns the broken original text cylinder in the device of field, is evenly equipped with broken original text hammer leaf seat on its cylinder circle, and broken original text hammer leaf is installed in the broken original text hammer leaf seat by bearing pin, and broken original text hammer leaf can rotate around bearing pin.

Broken original text of the present invention returns the broken original text cylinder in the device of field, and its power is by the bevel gear box input of an end.

Stationary knife can be installed in the inboard, broken original text drum cover back upper place that broken original text of the present invention returns in the device of field.

Comb of the present invention takes off the interlock lifting that device, broken original text return the field device to be finished by same set of manipulation, executing agency's (being reversal valve and hydraulic jack), and comb takes off the lifting that the broken relatively original text of device returns the field device then to be finished by another set of manipulation, executing agency.

The present invention compares with existing full feed type combine, and efficient significantly improves, and percentage of damage obviously reduces, and reliability is higher, and it is low to cut stubble, and it is even that broken original text goes back to the field.

The present invention compares with existing half-feed combine harvester, and efficient significantly improves, and structure is simpler, and reliability is higher, and the machine price is lower.

The present invention compares with the threshing-before-cutting combine of Chinese patent 96232332.2 described band comb-threshing-type headers, transaction capabilities is stable, to the straw wide adaptability, reliability is higher: swath of the present invention does not limit 2m following and can change within a large range: finished by same set of manipulation, executing agency's (being reversal valve and hydraulic jack) because the present invention's comb takes off the interlock lifting that device, broken original text return the field device, comb takes off the lifting that the broken relatively original text of device returns the field device then to be finished by another set of manipulation, executing agency, therefore reliable operation is simple to operation.

It is rotary part that broken original text of the present invention returns simple and its broken original text cylinder of field apparatus structure, compares with the combine harvester cutting table of taking to reciprocating cutter formula cutter and straw conveying plant, and dependability obviously improves.

Accompanying drawing 1: schematic side view accompanying drawing 2 of the present invention: comb takes off device schematic side view accompanying drawing 3: broken original text returns field device schematic diagram accompanying drawing 4: broken original text cylinder schematic diagram accompanying drawing 5: the schematic side view of another embodiment of the present invention

Implement a kind of better mode of the present invention and see accompanying drawing 1, comb takes off device 1 and is positioned at the place ahead of combined harvester and links to each other with self-propelled chassis 4 and can be around the rotation of the A point of inclined transporter 2 and lift arm 3 back upper places by inclined transporter 2 and lift arm 3, be positioned at comb and take off device 1 back lower place, the broken original text of self-propelled chassis 4 front lower places returns that the pivoted arm 6 of field device 5 by two ends, the left and right sides links to each other with self-propelled chassis 4 and can rotate around the B point at pivoted arm 6 rears at two ends, the left and right sides, take off the rear that cleaning plant 7 is positioned at combined harvester again, comb takes off device 1 and returns field device 5 with broken original text and be coupled to each other by hydraulic jack 8, and broken original text returns field device 5 and is coupled to each other by hydraulic cylinder oil 9 with self-propelled chassis 4.

The comb of accompanying drawing 2 takes off device 1 and comprises frame 11, and stripper cylinder 12 is carried screw feeder 13, and stripper cylinder lid 14 is provided with before the stripper cylinder lid 14 and leads standing grain plate 15, and stripper cylinder 12 rears are provided with circular arc shrouding 16, are provided with buffer element 18 before the back plate 17 of frame 11.

The broken original text of accompanying drawing 3 returns field device 5 and comprises nearside divider 19, broken original text cylinder 20 and broken original text drum cover 21, inside and outside anti-grass circle 22, bevel gear box 23, broken original text cylinder 20 tops are provided with broken original text drum cover 21, inside and outside anti-sketch 22 has been fixed at two ends, broken original text cylinder 20 left and right sides, nearside divider 19 has been installed in the place ahead, broken original text cylinder 20 left and right sides respectively, and broken original text returns field device 5 and links to each other with the front end of left and right sides pivoted arm 6 respectively by bolt 24, and the power of broken original text cylinder 20 is by bevel gear box 23 inputs of an end.

The broken original text cylinder 20 of accompanying drawing 4 is evenly equipped with broken original text hammer leaf seat 26 on its cylinder circle 25, broken original text hammer leaf 27 is installed in the broken original text hammer leaf seat 26 by bearing pin 28, and broken original text hammer leaf 27 can rotate around bearing pin 28.

Combined harvester of the present invention is work like this: crop is after leading 15 guiding of standing grain plate, the fringe head fitly enters by leading the feeding mouth that standing grain plate 15 and stripper cylinder 12 constitute, comb by stripper cylinder 12 and to take off, emersion object (seed and disconnected fringe etc.) relies on its own inertial and is delivered on the buffer element 18 by throwing backward along stripper cylinder lid 14 by the effect of air-flow, fall into subsequently on the conveying screw feeder 13 of rotation, carrying screw feeder 13 that material is pushed to behind the end to be transported to by inclined transporter 2 is positioned at answering of machine rear and takes off cleaning plant 7 and take off again and clean, last clean seed pack, the assorted surplus field that then is discharged to: the straw that purifies seed through stripper cylinder 12 combs is forward-lean state, along with machine advances, the nearside divider 19 that broken original text returns field device 5 left and right sides front ends purifies comb the straw of seed and the straw separation of taking off seed without comb, and then straw is pulverized by broken original text cylinder 20, and the straw after the pulverizing retrojects along broken original text drum cover 21 and send and be laid in equably the field.

Accompanying drawing 5 is the schematic side view of another better embodiment of the present invention, is crawler type self-propelled chassis 4 is replaced with self-propelled wheel-type chassis 29 with scheme difference shown in the accompanying drawing 1.

Claims (6)

1, a kind of firstly thresh secondly crush returns the harvesting method in field, it is characterized in that: crop is after leading the guiding of standing grain plate, the fringe head fitly enters by leading the feeding mouth that standing grain plate and stripper cylinder constitute, comb by stripper cylinder and to take off, emersion object (seed and disconnected fringe etc.) relies on its own inertial and is delivered on the buffer element by throwing backward along the stripper cylinder lid by the effect of air-flow, fall into subsequently on the conveying screw feeder of rotation, carrying screw feeder that material is pushed to behind the end to be transported to by inclined transporter is positioned at answering of machine rear and takes off cleaning plant and take off again and clean, last clean seed pack, the assorted surplus field that then is discharged to; The straw that purifies seed through the stripper cylinder comb is forward-lean state, along with machine advances, the nearside divider that broken original text returns the device left and right sides, field front end purifies comb the straw of seed and the straw separation of taking off seed without comb, and then straw is pulverized by broken original text cylinder, and the straw after the pulverizing retrojects along broken original text drum cover and send and be laid in equably the field.

2, a kind of firstly thresh secondly crush returns the combined harvester in field, it comprises that comb takes off device, take off cleaning plant again, broken original text returns the field device, hydraulic lifting apparatus, self-propelled chassis, it is characterized in that combing and take off device and be positioned at the place ahead of this machine and link to each other with self-propelled chassis by inclined transporter and lift arm, comb takes off device and comprises frame, stripper cylinder, carry screw feeder, the stripper cylinder lid, be positioned at comb and take off the device back lower place, the broken original text of self-propelled chassis front lower place returns the pivoted arm of field device by two ends, the left and right sides and links to each other with self-propelled chassis, broken original text returns the field device and comprises nearside divider, broken original text cylinder and broken original text drum cover, comb takes off device and broken original text and returns the field device and be coupled to each other by hydraulic jack, and broken original text returns the field device and self-propelled chassis is coupled to each other by another set of hydraulic jack.

3, a kind of firstly thresh secondly crush as claimed in claim 2 combined harvester of going back to the field, it is characterized in that broken original text returns broken original text cylinder in the device of field and is positioned at broken original text and returns in the middle of the device of field, broken original text cylinder top is provided with broken original text drum cover, inside and outside anti-grass circle has been fixed at two ends, the broken original text cylinder left and right sides, nearside divider has been installed in the place ahead, the broken original text cylinder left and right sides respectively, broken original text returns the field device and links to each other with the front end of left and right sides pivoted arm respectively by bolt, and the rear end of left and right sides pivoted arm links to each other with self-propelled chassis and can rotate around the center, rear end.

4, a kind of firstly thresh secondly crush as claimed in claim 2 combined harvester of going back to the field, it is characterized in that broken original text returns the broken original text cylinder in the device of field, be evenly equipped with broken original text hammer leaf seat on its cylinder circle, broken original text hammer leaf is installed in the broken original text hammer leaf seat by bearing pin, and broken original text hammer leaf can rotate around bearing pin.

5, a kind of firstly thresh secondly crush as claimed in claim 2 combined harvester of going back to the field is characterized in that broken original text returns the broken original text cylinder in the device of field, and its power is by the bevel gear box input of an end.

6, a kind of firstly thresh secondly crush as claimed in claim 2 combined harvester of going back to the field is characterized in that the inboard, broken original text drum cover back upper place that broken original text returns in the device of field can install stationary knife.

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