CN2441293Y - Combine for firstly threshing and secondly crushing to feed back field - Google Patents

Abstract

The utility model relates to a combined harvester for firstly threshing and secondly crushing to feed back field. The utility model comprises a threshing device, a rethreshing and sorting device, a crushing and field feeding back device, a hydraulic lifting device and an automatic walking chassis. Threshed object threshed by the threshing device is delivered to the rethreshing and sorting device for rethreshing, sorting and bagging. The stalked left after seeds are threshed are crushed by the crushing and field feeding back device, and are evenly laid in field. Seed harvesting and stalk crushing can be completed in one step, and the utility model has the advantages of high reliability, high efficiency, low loss, convenient operation, changeable harvesting width in a large range, stable operational performance and wide adaptability.

Description

A kind of firstly thresh secondly crush returns the combined harvester in field

The utility model is the paddy and wheat combined harvester that goes back to the field about a kind of firstly thresh secondly crush.

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 the grain husking and broken higher that do not cause damage only when its shortcoming was especially received paddy rice from straw, and 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 then makes lateral transfer of straw and side direction lay undesired if surpass 2m because of the standing grain layer is too thick, so just limited the increasing of this comb-threshing-type header swath; Adopt the combine of 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 purpose of this utility model provides that 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.

The utility model structure 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.

The plate tooth that comb described in the utility model takes off the two ends, the stripper cylinder left and right sides in the device is a rectangle.

The stripper cylinder rear that comb described in the utility model takes off in the device is provided with shrouding, the shrouding arc surface with stripper cylinder concentric and with the stripper cylinder tooth top apart from being 4～12mm, its central angle is 55 °～75 °.

The stripper cylinder lid that comb described in the utility model takes off in the device is 20～55mm with the longitudinal separation of stripper cylinder tooth top in the horizontal plane of living in of stripper cylinder center.

Broken original text described in the utility model 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 described in the utility model 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 described in the utility model 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 described in the utility model returns in the device of field.

Comb described in the utility model 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 utility model is compared 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 utility model is compared 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 utility model is compared with the threshing-before-cutting combine of Chinese patent 96232332.2 described band comb-threshing-type headers, and transaction capabilities is stable, and to the straw wide adaptability, reliability is higher; Swath of the present utility model does not limit 2m following and can change within a large range; Because taking off the interlock lifting that device, broken original text return the field device, finishes the utility model comb by same set of manipulation, executing agency's (being reversal valve and hydraulic jack), 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 that the threshing prior to cutting reaping machine of plate tooth is compared that the utility model and other comb take off element, because the plate tooth at two ends, the stripper cylinder of the present utility model left and right sides is a rectangle, its area is bigger, can produce stronger air-flow during work, can obviously reduce two ends, the stripper cylinder left and right sides and and sidewall between the seed loss of gap location; To be provided with central angle be 55 °～75 ° shroudings because the utility model comb takes off stripper cylinder rear in the device, and the shrouding arc surface is concentric and very little with stripper cylinder tooth top distance with stripper cylinder, and the seed that can obviously reduce this place rewinds loss; Because stripper cylinder lid of the present utility model (is 20～55mm), should produces stronger negative pressure in the place during work, can obviously reduce the shattering loss at this place with the longitudinal separation of stripper cylinder tooth top in the horizontal plane of living in of stripper cylinder center is less.

It is rotary part that broken original text of the present utility model 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 utility model: 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: stripper cylinder two ends rectangular slab toothing schematic diagram accompanying drawing 6: the schematic side view of another embodiment of the utility model

Implement a kind of better mode of the present utility model 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-sketch 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.

Accompanying drawing 5 has been represented the structure of stripper cylinder 12 two ends rectangular slab teeth 29.

Combined harvester of the present utility model 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, because rectangular slab tooth 29 areas at two ends, stripper cylinder 12 left and right sides are bigger, can produce stronger air-flow during work, can obviously reduce the shattering loss at two ends, stripper cylinder 12 left and right sides, because circular arc shrouding 16 is very little with the tooth top distance of stripper cylinder 12, the seed that can obviously reduce this place rewinds loss, because the distance of stripper cylinder 12 the place aheads and stripper cylinder lid 14 is less, should produce stronger negative pressure in the place during work, can obviously reduce the shattering loss at this place, 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 6 is the schematic side view of another better embodiment of the utility model, is crawler type self-propelled chassis 4 is replaced with self-propelled wheel-type chassis 30 with scheme difference shown in the accompanying drawing 1.

Claims (8)

1, 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.

2, a kind of firstly thresh secondly crush as claimed in claim 1 combined harvester of going back to the field, the plate tooth that it is characterized in that combing the two ends of taking off in the device, the stripper cylinder left and right sides is a rectangle.

3, a kind of firstly thresh secondly crush as claimed in claim 1 combined harvester of going back to the field, it is characterized in that combing the stripper cylinder rear of taking off in the device and be provided with shrouding, the shrouding arc surface with stripper cylinder concentric and with the stripper cylinder tooth top apart from being 4～12mm, its central angle is 55 °～75 °.

4, a kind of firstly thresh secondly crush as claimed in claim 1 combined harvester of going back to the field, it is characterized in that combing the stripper cylinder lid that takes off in the device is 20～55mm with the longitudinal separation of stripper cylinder tooth top in the horizontal plane of living in of stripper cylinder center.

5, a kind of firstly thresh secondly crush as claimed in claim 1 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.

6, a kind of firstly thresh secondly crush as claimed in claim 1 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.

7, a kind of firstly thresh secondly crush as claimed in claim 1 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.

8, a kind of firstly thresh secondly crush as claimed in claim 1 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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