CN203851515U - Concave clearance adjustable flexible-tooth threshing system - Google Patents

Concave clearance adjustable flexible-tooth threshing system Download PDF

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Publication number
CN203851515U
CN203851515U CN201420281296.4U CN201420281296U CN203851515U CN 203851515 U CN203851515 U CN 203851515U CN 201420281296 U CN201420281296 U CN 201420281296U CN 203851515 U CN203851515 U CN 203851515U
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CN
China
Prior art keywords
threshing
cylinder
tooth
flexible
concave
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420281296.4U
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Chinese (zh)
Inventor
吴明亮
谢伟
沈宇峰
向伟
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Hunan Agricultural University
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Hunan Agricultural University
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Priority to CN201420281296.4U priority Critical patent/CN203851515U/en
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Publication of CN203851515U publication Critical patent/CN203851515U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a concave clearance adjustable flexible-tooth threshing system comprising a threshing cylinder and a concave grid arranged on a frame. The threshing cylinder is located in a threshing chamber and comprises two clearance adjusting end plates fixedly arranged on a cylinder shaft and a feeding auger, and a plurality of threshing tooth fixing rods with flexible threshing spike teeth are arranged between the two clearance adjusting end plates. The feeding auger is arranged on the cylinder shaft at the input end of the threshing cylinder and is in spiral distribution, a feed inlet is arranged on a cylinder housing corresponding to the feeding auger, a plurality of straw discharge plates are arranged on the cylinder shaft at the output end of the threshing cylinder, and a straw outlet is arranged on the cylinder housing corresponding to the straw discharge plates. By the aid of the threshing system, acting time of crop siliques on the flexible threshing spike teeth is prolonged, momentary impact force is lowered, and rapeseed breakage rate can be lowered; meanwhile, since the clearance between the threshing cylinder and the concave grid is variable, the requirement for threshing to-be-threshed materials due to physical property changing can be met, and adaptation to the to-be-threshed materials is improved.

Description

The flexible tooth threshing system that cylinder-concave clearance is adjustable
Technical field
The utility model relates to a kind of threshing system of thresher, particularly the adjustable flexible tooth threshing system of a kind of cylinder-concave clearance.
Background technology
Rape is the main oil crop of China, greatly develop rape industry, not only will expand cultivated area, improve rape gross yield, and traditional rape threshing is by craft or semi-mechanization operation, harvest time is longer, misses the farming season, and indirect loss is large, when threshing, threshing tooth is large to the impulsive force of siliqua of oilseed rape, seed damage is serious, because its cylinder-concave clearance is constant, cannot adapt to treat the threshing requirement of threshing material because of the variation of physical characteristic simultaneously.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to develop the adjustable flexible tooth threshing system of cylinder-concave clearance of a kind of high production rate, LB, high-adaptability, it can make people simultaneously, and from the hand labour of heavy, low level and poor benefit, rescue is out, save manpower, enhance productivity.
For achieving the above object, the technical solution adopted in the utility model is: the flexible tooth threshing system that a kind of cylinder-concave clearance is adjustable, comprise through a drum shaft and be installed in the threshing cylinder and a concave grate that is installed on threshing cylinder below in frame, on this concave grate, be provided with the multiple through holes that facilitate separating oil seed; This threshing cylinder outside mask is established cylinder case, and forms a threshing chamber in cylinder case; This threshing cylinder is positioned at threshing chamber, and comprises the two gap adjustment end plates that are fixedly arranged on drum shaft, and the many threshing tooth dead levers with flexible threshing spike-tooth are set between two gap adjustment end plates; The drum shaft that is positioned at threshing cylinder input is provided with the feeding screw feeder distributing in the shape of a spiral, one feeding mouth is arranged on the cylinder case that feeding screw feeder is corresponding, be positioned on the drum shaft of threshing cylinder output and be distributed with polylith Lysimachia sikokiana plate, a stalk outlet is arranged on the cylinder case that Lysimachia sikokiana plate is corresponding.
On two gap adjustment end plates of this threshing cylinder, be equipped with vertically respectively some groups of end plate grooves, and end plate groove on two gap adjustment end plates corresponding setting one by one; Every group of end plate groove comprises the ratch chute in the middle of being located at and is located at the screw slots of both sides, one contiguous block is positioned in two screw slots through lock solid structure, and between two contiguous blocks of correspondence, set firmly described threshing tooth dead lever on two gap adjustment end plates, and threshing tooth dead lever is located in ratch chute, mobile by contiguous block in screw slots can change on described threshing tooth dead lever flexible threshing spike-tooth around the turning radius of drum shaft gyration, to change the cylinder-concave clearance between threshing cylinder and concave grate, and realize the object of carrying out threshing under material characteristic variation.
As preferably, this flexible threshing spike-tooth adopts circular nylon rod, and on this flexible threshing spike-tooth, cover has spring, and this spring is fixed on threshing tooth dead lever.Adopt this structure to be conducive to reduce the hitting power of threshing tooth to rape seed, extend the action time to siliqua of oilseed rape, improve de-rate to the greatest extent, reduce breakage and the threshing loss of rape seed.
As preferably, this concave grate is horizontal semi-cylindrical setting.
As preferably, the through hole on this concave grate is grizzly bar hole.
As preferably, the flexible threshing spike-tooth on this threshing cylinder is arranged according to helix rule.Be positioned on the cylinder case of this threshing cylinder top and be provided with and lead swath.Adopt this structure to be conducive to better threshing and sorting, stem stalk and large disconnected straw can be entered to Lysimachia sikokiana plate along helix simultaneously.
As preferably, this feeding mouth is arranged at the tangential direction of feeding screw feeder, and the part that stretches into of this feeding mouth is reverse V-shaped.Adopt this structure to be conducive to prevent sending into thing residual at feeding mouth.
As preferably, the top of this feeding mouth arranges guard shield.Adopt this structure can prevent that rape seed from sputtering machining box under the effect of threshing system, avoid rape seed loss and waste.Also can play in addition the effect of security protection, avoid personnel by the scratch of threshing assembly.
As preferably, this stalk outlet is arranged on the cylinder case that described Lysimachia sikokiana plate is corresponding tangentially direction place.
When the utility model uses, rape etc. is fed from feeding mouth with the crop of angle fruit, sent into threshing cylinder through feeding screw feeder, under the effect of flexible threshing spike-tooth and concave grate, realize threshing, seed after threshing is discharged by concave grate, thick stem stalk leading under swath effect on the flexible threshing spike-tooth of helical arrangement and cylinder case, pushes to vertically stalk outlet by thick stem stalk, and forces to discharge threshing chamber by Lysimachia sikokiana plate.
Compared with prior art, the beneficial effect the utlity model has is:
1, the utility model adopts flexible threshing spike-tooth structure, making to do object angle fruit extends the action time on flexible threshing spike-tooth, instant impact reduces, can reduce rape seed percentage of damage, simultaneously because of the Variable between threshing cylinder and concave grate, can adapt to treat the threshing requirement of threshing material because of change in physical properties, improve the adaptability to threshing material.
2, the utility model is set to input material to threshing cylinder through feeding screw feeder, like this, is conducive to material and enters between threshing spike-tooth and concave grate and rub threshing along the helix of feeding screw feeder.
3, the utility model arranges Lysimachia sikokiana plate at the output of threshing cylinder, and Lysimachia sikokiana plate is connected with stalk outlet, is so just conducive to better stem stalk and large disconnected straw from stalk outlet discharge machine.
4, the utility model adopts mechanical work to the seed threshing of crop, and with respect to traditional manual threshing, threshing is quick, and productivity ratio is high, and percentage of damage is low, and adaptability is high.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation that the utility model is not established concave grate;
Fig. 2 is the gap adjustment end plate of the utility model threshing cylinder and the structural representation of concave grate;
Fig. 3 is the utility model structural representation;
Fig. 4 is the utility model flexible threshing spike-tooth one example structure schematic diagram.
Number in the figure:
1, threshing chamber; 2, frame; 3, idler bearing; 4, feeding screw feeder; 5, gap adjustment end plate; 6, flexible threshing spike-tooth; 7, threshing tooth dead lever; 8, lead swath; 9, Lysimachia sikokiana plate; 10, drum shaft; 11, cylinder case; 12, feeding mouth; 13, concave grate; 14, stalk outlet; 15, screw slots; 16, ratch chute; 17, contiguous block; 18, through hole; 19, spring; 20, threshing cylinder.
Embodiment
Referring to Fig. 1-Fig. 4, the flexible tooth threshing system that the utility model cylinder-concave clearance is adjustable comprises through a drum shaft 10 and is installed in the threshing cylinder 20 in frame 2 and is installed on a concave grate 13 of threshing cylinder 20 belows.This drum shaft 10 is installed in frame 2 through idler bearing 3, and is provided with the multiple through holes 18 that facilitate separating oil seed on this concave grate 13.The outside mask of this threshing cylinder 20 is established cylinder case 11, and in interior formation one threshing chamber 1 of cylinder case 11.This threshing cylinder 20 is positioned at threshing chamber 1, and comprises between two gap adjustment end plate 5, the two gap adjustment end plates 5 that are fixedly arranged on drum shaft 10 the many threshing tooth dead levers 7 with flexible threshing spike-tooth 6 are set.The drum shaft 10 that is positioned at threshing cylinder input is provided with the feeding screw feeder 4 distributing in the shape of a spiral, one feeding mouth 12 is arranged on the cylinder case 11 of feeding screw feeder 4 correspondences, be positioned at and on the drum shaft 10 of threshing cylinder output, be distributed with polylith Lysimachia sikokiana plate 9, one stalk outlets 14 and be arranged on the cylinder case 11 of Lysimachia sikokiana plate 9 correspondences.
On two gap adjustment end plates 5 of this threshing cylinder 20, be equipped with vertically respectively some groups of end plate grooves, and end plate groove on two gap adjustment end plates 5 corresponding setting one by one.In this embodiment, every group of end plate groove comprises the ratch chute 16 in the middle of being located at and is located at the screw slots 15 of both sides, one contiguous block 17 is positioned in two screw slots 15 through lock solid structure, and between two contiguous blocks 17 of correspondence, set firmly threshing tooth dead lever 7 on two gap adjustment end plates 5, and threshing tooth dead lever 7 is located in ratch chute 16, movement by contiguous block 17 in screw slots 15 can change on threshing tooth dead lever 7 flexible threshing spike-tooth 6 around the turning radius of drum shaft 10 gyrations, to change the cylinder-concave clearance between threshing cylinder 20 and concave grate 13, and realize material characteristic change under carry out threshing object.
As preferably, this flexible threshing spike-tooth 6 can adopt circular nylon rod, and on this flexible threshing spike-tooth 6, cover has spring 19, and this spring 19 is fixed on threshing tooth dead lever 7.Adopt this structure to be conducive to reduce the hitting power of threshing tooth to rape seed, extend the action time to siliqua of oilseed rape, improve de-rate to the greatest extent, reduce breakage and the threshing loss of rape seed.
As preferably, this concave grate 13 is horizontal semi-cylindrical setting, and through hole 18 on this concave grate 13 is grizzly bar hole.
As preferably, the flexible threshing spike-tooth 6 on this threshing cylinder 20 is arranged according to helix rule.Be positioned on the cylinder case 11 of these threshing cylinder 20 tops and be provided with and lead swath 8.Adopt this structure to be conducive to better threshing and sorting, stem stalk and large disconnected straw can be entered to Lysimachia sikokiana plate 9 along helix simultaneously.
As preferably, this feeding mouth 12 is arranged at the tangential direction of feeding screw feeder 4, and the part that stretches into of this feeding mouth 12 is reverse V-shaped, residual at feeding mouth to prevent sending into thing.
As preferably, the top of this feeding mouth 12 arranges guard shield (not shown), to prevent that rape seed from splashing away in threshing course, effectively avoids rape seed loss and waste, also can play in addition the effect of security protection, avoids personnel by the scratch of threshing assembly.
As preferably, this stalk outlet 14 is arranged on the cylinder case 11 of Lysimachia sikokiana plate 9 correspondences tangentially direction place.
When the utility model uses, power set drive drum shaft 10 to rotate, threshing system is run well, the crop that enters feeding mouth 12 is fed to screw feeder 4 and sends between flexible threshing spike-tooth 6 and concave grate 13 and rub, seed is separated by concave grate 13 under the effect of centrifugal force, stem stalk and large disconnected straw are at threshing cylinder 20 and lead under the acting in conjunction of swath 8 by Lysimachia sikokiana plate 9 from stalk outlet 14 discharge machines, and seed enters collector (not shown) by conducting oneself with dignity through the grizzly bar hole 18 of concave grate 13.

Claims (10)

1. the flexible tooth threshing system that cylinder-concave clearance is adjustable, comprise through a drum shaft (10) and be installed in the threshing cylinder (20) in frame and be installed on the concave grate (13) of threshing cylinder below, on this concave grate, be provided with the multiple through holes that facilitate separating oil seed; This threshing cylinder outside mask is established cylinder case (11), and in cylinder case, form a threshing chamber (1), it is characterized in that, this threshing cylinder is positioned at threshing chamber, and comprise the two gap adjustment end plates (5) that are fixedly arranged on drum shaft, the threshing tooth dead lever (7) of many band flexible threshing spike-tooths (6) is set between two gap adjustment end plates; The drum shaft that is positioned at threshing cylinder input is provided with the feeding screw feeder distributing in the shape of a spiral, one feeding mouth (12) is arranged on the cylinder case that feeding screw feeder is corresponding, be positioned on the drum shaft of threshing cylinder output and be distributed with polylith Lysimachia sikokiana plate (9), a stalk outlet (14) is arranged on the cylinder case that Lysimachia sikokiana plate is corresponding.
2. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1, is characterized in that, on two gap adjustment end plates of this threshing cylinder, is equipped with vertically respectively some groups of end plate grooves, and end plate groove on two gap adjustment end plates corresponding setting one by one; Every group of end plate groove comprises the ratch chute (16) in the middle of being located at and is located at the screw slots (15) of both sides, one contiguous block (17) is positioned in two screw slots through lock solid structure, and between two contiguous blocks of correspondence, set firmly described threshing tooth dead lever (7) on two gap adjustment end plates, and threshing tooth dead lever is located in ratch chute, mobile by contiguous block in screw slots can change on described threshing tooth dead lever flexible threshing spike-tooth around the turning radius of drum shaft gyration, to change the gap between threshing cylinder and concave grate.
3. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, this flexible threshing spike-tooth adopts circular nylon rod, and on this flexible threshing spike-tooth, cover has spring, and this spring is fixed on threshing tooth dead lever.
4. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, this concave grate is horizontal semi-cylindrical setting.
5. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, the through hole on this concave grate is grizzly bar hole.
6. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, the flexible threshing spike-tooth on this threshing cylinder is arranged according to helix rule.
7. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, is positioned on the cylinder case of this threshing cylinder top and is provided with and leads swath.
8. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, this feeding mouth is arranged at the tangential direction of feeding screw feeder, and the part that stretches into of this feeding mouth is reverse V-shaped.
9. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, the top of this feeding mouth arranges guard shield.
10. the adjustable flexible tooth threshing system of cylinder-concave clearance according to claim 1 and 2, is characterized in that, this stalk outlet is arranged on the cylinder case that described Lysimachia sikokiana plate is corresponding tangentially direction place.
CN201420281296.4U 2014-05-29 2014-05-29 Concave clearance adjustable flexible-tooth threshing system Expired - Fee Related CN203851515U (en)

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Application Number Priority Date Filing Date Title
CN201420281296.4U CN203851515U (en) 2014-05-29 2014-05-29 Concave clearance adjustable flexible-tooth threshing system

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Application Number Priority Date Filing Date Title
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103960003A (en) * 2014-05-29 2014-08-06 湖南农业大学 Flexible-tooth threshing system with adjustable threshing gap
CN105850394A (en) * 2016-05-23 2016-08-17 长葛市金安农机专业合作社 Groundnut stripping roller for groundnut stripper
CN106937560A (en) * 2017-04-21 2017-07-11 农业部南京农业机械化研究所 A kind of thresing machine sheller unit
CN107371572A (en) * 2017-08-17 2017-11-24 星光农机股份有限公司 A kind of millet combined harvester
CN107396700A (en) * 2017-08-17 2017-11-28 星光农机股份有限公司 A kind of millet combined harvester sheller unit
CN107517660A (en) * 2017-10-12 2017-12-29 河南科技大学 A kind of combined type oat sheller unit
CN109258129A (en) * 2018-11-02 2019-01-25 湖州职业技术学院 A kind of sheller unit of combine harvester
CN111903315A (en) * 2020-08-13 2020-11-10 湖南农业大学 Threshing cutting table
CN111955172A (en) * 2020-08-13 2020-11-20 农业农村部南京农业机械化研究所 Rasp bar mechanism and edible bean threshing cylinder using rasp bar mechanism
CN113424699A (en) * 2021-06-22 2021-09-24 湖南农业大学 Harvester with self-adaptive and uniformly distributed threshed objects and adjusting method thereof
JP2022083179A (en) * 2020-11-24 2022-06-03 井関農機株式会社 Combine-harvester

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103960003B (en) * 2014-05-29 2015-11-04 湖南农业大学 The flexible tooth threshing system that cylinder-concave clearance is adjustable
CN103960003A (en) * 2014-05-29 2014-08-06 湖南农业大学 Flexible-tooth threshing system with adjustable threshing gap
CN105850394A (en) * 2016-05-23 2016-08-17 长葛市金安农机专业合作社 Groundnut stripping roller for groundnut stripper
CN106937560A (en) * 2017-04-21 2017-07-11 农业部南京农业机械化研究所 A kind of thresing machine sheller unit
CN106937560B (en) * 2017-04-21 2023-09-29 农业部南京农业机械化研究所 Threshing device of threshing machine
CN107371572B (en) * 2017-08-17 2023-02-17 星光农机股份有限公司 Millet combine harvester
CN107371572A (en) * 2017-08-17 2017-11-24 星光农机股份有限公司 A kind of millet combined harvester
CN107396700A (en) * 2017-08-17 2017-11-28 星光农机股份有限公司 A kind of millet combined harvester sheller unit
CN107517660A (en) * 2017-10-12 2017-12-29 河南科技大学 A kind of combined type oat sheller unit
CN107517660B (en) * 2017-10-12 2024-01-26 河南科技大学 Combined oat threshing device
CN109258129A (en) * 2018-11-02 2019-01-25 湖州职业技术学院 A kind of sheller unit of combine harvester
CN111903315A (en) * 2020-08-13 2020-11-10 湖南农业大学 Threshing cutting table
CN111903315B (en) * 2020-08-13 2023-07-04 湖南农业大学 Threshing cutting table
CN111955172A (en) * 2020-08-13 2020-11-20 农业农村部南京农业机械化研究所 Rasp bar mechanism and edible bean threshing cylinder using rasp bar mechanism
JP7103399B2 (en) 2020-11-24 2022-07-20 井関農機株式会社 combine
JP2022083179A (en) * 2020-11-24 2022-06-03 井関農機株式会社 Combine-harvester
CN113424699A (en) * 2021-06-22 2021-09-24 湖南农业大学 Harvester with self-adaptive and uniformly distributed threshed objects and adjusting method thereof
CN113424699B (en) * 2021-06-22 2023-11-21 湖南农业大学 Harvester capable of adaptively and uniformly distributing removed objects and adjusting method thereof

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