CN104365289B - Installed threshing separator and combine harvester with the installed threshing separator - Google Patents
Installed threshing separator and combine harvester with the installed threshing separator Download PDFInfo
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- CN104365289B CN104365289B CN201410061807.6A CN201410061807A CN104365289B CN 104365289 B CN104365289 B CN 104365289B CN 201410061807 A CN201410061807 A CN 201410061807A CN 104365289 B CN104365289 B CN 104365289B
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Abstract
The present invention relates to a kind of installed threshing separators, have the first threshing separating mechanism, the second threshing separating mechanism and intermediate intake mechanism positioned there between.First threshing separating mechanism has the first roller of Ratch type and the first notch board of grid type, and the first notch board does not have any part for protruding into the first drum threshing tooth outside circle in the one side towards the first roller;Second threshing separating mechanism has the second tin roller of Ratch type and the second notch board of grid type, and the second notch board does not have any part for protruding into the second tin roller threshing tooth outside circle in the one side towards second tin roller;Second tin roller includes the pressure introduction part positioned at front end, its helical blade with truncated cone and on the truncated cone, and positioned at the roller rod teeth portion for forcing introduction part rear, it has multiple threshing tooths with the second bar that is multiple parallel to each other and being uniformly distributed along the circumference on each second bar.The invention further relates to a kind of combine harvesters with the threshing separating mechanism.
Description
Technical field
The present invention relates to a kind of installed threshing separators, and the combine harvester with the installed threshing separator.
Background technique
Combine harvester gathers in crop by harvesting device, and by installed threshing separator by crop kernel from cutting off
Crop separate.Chinese patent ZL 00137715.9 discloses one kind and cuts stream and longitudinal axial flow Combined threshing separator.
Currently, such installed threshing separator has become the standard construction of large-scale harvester of the feed quantity greater than 7Kg/s.But
Big for seed separating difficulty, crop stalk good toughness crop, for example for rice, it is this de- for destroying seed and being blocked
Grain separator and the combine harvester frequently problem with installed threshing separator, and thus necessarily cause to combine
The power consumption of harvester increases.For the combine harvester bigger for feed quantity, the above problem becomes especially significant.
Summary of the invention
The purpose of the present invention is to solve the above problem at least one.The threshing that the problem provides through the invention point
It is solved from device.
For feed quantity is greater than the combine harvester of 7Kg/s, following be used to is used in order to complete threshing and separation
With design, i.e., main the first roller for playing flailing action and the first intaglio design are borrowed at having mutual Embedded threshing tooth
This increases the combing effect to crop;Crop is transmitted rearward by intermediate feeding-wheel;And the of centrifugation is played by main
Two rollers are designed to the construction with closed cylinder and the plate tooth along the distribution of cylinder overall length, to separate crop kernel and stem
More thoroughly.Such design is effective to most of dry crop, but for rice or moist flexible crop
For the effect is unsatisfactory.The present invention is modified this construction.
In an aspect, the installed threshing separator of an exemplary embodiment of the present invention includes: the first threshing separation
Mechanism comprising the first roller and the first notch board below first roller;Second threshing separating mechanism comprising the
Two rollers and the second notch board below the second tin roller;Positioned at the first threshing separating mechanism and second threshing
Intermediate intake mechanism between separating mechanism;First roller can around first rotation rotate, and have it is multiple with
The first rotation is parallel and circumferentially equally distributed first bar, has multiple first threshings on each first bar
The tooth top of tooth, first threshing tooth forms the first outside circle;The second tin roller can hang down around with the first rotation
Straight the second rotation axis rotation;It is characterized by: first notch board is grid configuration, first notch board is towards described the
The one side of one roller does not have any part for protruding into first outside circle;The second tin roller includes: positioned at the strong of front end
Introduction part processed, the pressure introduction part have truncated cone and the helical blade on the truncated cone;And it is located at
The roller rod teeth portion at introduction part rear is forced, which is open cylinder and has multiple flat with the second rotation axis
Row and circumferentially equally distributed second bar have multiple second threshing tooths, second threshing tooth on each second bar
Tooth top formed the second outside circle;Second notch board is grid configuration, and second notch board protrudes into second without any
The part of outside circle;Second rotation axis gradually rises along direction from front to back;And the helical blade is outer
Edge has the constant spiral outer diameter more than or equal to second tip diameter.
By, at the construction not being embedded in mutually, can be avoided or reduce strength for the first roller and the first intaglio design
Combing effect is crushed crop kernel;Design actually results in the first roller and the flailing action of the first notch board and reduces in this way;
In order to make up the reduction of the flailing action, and at the same time overcoming the problems, such as that second tin roller is easy winding blocking, the present invention is to second
Roller has carried out creative transformation: the leading portion setting of the second tin roller being had to the pressure introduction part of helical blade, and will
Back segment is arranged to the open cylinder with ratch;Correspondingly, second tin roller and the second notch board are also designed to what nothing was mutually embedded in
Construction.It by the combination of above-mentioned each roller and corresponding notch board, realizes the whole mild threshing to crop and separates, and is simultaneous
The fluency of crop feeding is cared for, while reducing power consumption.Experimental data shows with specified feed quantity as the big of 7Kg/s
For type harvester gathers in rice, the installed threshing separator of such improvement is constant in overall dimension but feed quantity reaches 13Kg/s's
In the case of, total loss rate 2.5%, lower than specified in " rice wheat combine harvester operation quality standard " (national standard)
3% standard.In other words, the such improvement in design obtains the technology effect for the highly significant for doubling feed quantity almost
Fruit.
About second tin roller, the design of introduction part is especially forced, it can be with the technology of other embodiments according to the invention
The technical characteristic limited in scheme carries out.These design features ensure that second tin roller reaches while guaranteeing threshing separating effect
To optimal feeding fluency.
In some embodiments, which also has the top plate being arranged in above the pressure introduction part and position
Bottom plate below the pressure introduction part, the top plate and bottom plate are engaged with each other and are formed around the introduction chamber for forcing introduction part
Room;The bottom plate is to partially wrap around the arc-shaped for forcing introduction part, which is connected with second notch board, and not
With any part towards the pressure introduction part protrusion.
In some embodiments, along second rotation axis direction, the front end of second bar is than second notch board
Front end be located further forward.
In some embodiments, the blade height of the front end of the helical blade from the frusto-conical surface protrusion is big
In the 20% of the spiral outer diameter of the helical blade.
In some embodiments, the front end of the helical blade is from the blade height of the frusto-conical surface protrusion
The 25% of the spiral outer diameter of the helical blade.
In some embodiments, the blade height of the rear end of the helical blade from the frusto-conical surface protrusion is small
In the 15% of the spiral outer diameter of the helical blade.
In some embodiments, the blade height of the rear end of the helical blade is the spiral outer diameter of the helical blade
13%.
In some embodiments, along second rotation axis direction, the length for forcing introduction part accounts for entire described
The ratio of the length of second tin roller is less than 30%.
In some embodiments, along second rotation axis direction, the length for forcing introduction part accounts for entire described
The ratio of the length of second tin roller is equal to 20%.
In some embodiments, the top plate has in its back-end towards at least one of the pressure introduction part protrusion and leads
Flow blade.
In some embodiments, the second tin roller has at its end extends extremely along second rotation axis direction
Few two sheet empennages.
In some embodiments, the length along second rotation axis direction of the sheet empennage accounts for second rolling
The ratio of cylinder overall length is greater than 12%.
In some embodiments, the length along second rotation axis direction of the sheet empennage accounts for second rolling
The ratio of cylinder overall length is equal to 15%.
In another aspect, it the embodiments of the present invention also provide a kind of combine harvester, includes for making the joint
The running gear of harvester walking;Harvesting device positioned at the combine harvester front and for gathering in crop;It will be by described
The conveying device that crop under harvesting device harvesting rearward conveys;And as described in any of the embodiments of the present invention,
Installed threshing separator for receiving the crop from the conveying device and being handled crop.
Detailed description of the invention
Fig. 1 is the total structure of installed threshing separator of the invention;
Fig. 2 shows the constructions of the first roller combined and the first notch board;
Fig. 3 shows the construction of the second tin roller combined and the second notch board, wherein top plate and bottom plate shown in dotted line
And cover board;
Fig. 4 specifically illustrates the construction of second tin roller;And
The construction of cover board has been shown in particular in Fig. 5.
Specific embodiment
Installed threshing separator of the invention is introduced below in reference to attached drawing.
Fig. 1 shows the installed threshing separator for being used to handle crop of the invention, and crop is flowed along direction from left to right
Through the device.For ease of understanding, the side of feeding crop in left side in Fig. 1 is known as front by the present invention, and right side in figure is discharged
The side of crop stalk is known as rear, and thus defines front-rear direction.In general, front is with the installed threshing separator
The direction of advance of combine harvester.
The first threshing separation that the installed threshing separator is made of in the setting of its front the first roller 11 and the first notch board 12
Mechanism 1, portion is provided with the second threshing separating mechanism 2 being mainly made of second tin roller 21 and the second notch board 232 behind, and
Intermediate intake mechanism 3 is provided between first and second threshing separating mechanisms.After crop enters installed threshing separator 10,
The first drum threshing rotated, and the seed taken off falls into unshowned seed by the grid of the first notch board and collects system
System;Then, crop is fed by intermediate intake mechanism 3 to the second threshing separating mechanism 2, the second threshing separating mechanism compared in
The separation to the threshing of crop and seed and stem is completed in the longer path of first threshing separating mechanism, the stem after separation from
Rear side discharge, and seed falls into seed collection system not shown here.
Referring to Figures 1 and 2, the first roller 11 has first rotation in the horizontal direction, and the rotation axis is vertical
It in front-rear direction, and is under normal conditions the left and right directions of the combine harvester with the installed threshing separator.First rolling
Cylinder has multiple first bars 13, these bars are parallel with rotation axis and are distributed uniformly and circumferentially;On each first bar 13
Multiple first threshing tooths 14 are provided with, the tooth top of these the first threshing tooths forms the first outside circle.First notch board 12 is grid structure
The partial cylinder shape made is located at the lower section of the first roller and partially around first roller.In the first roller 11 and one
Threshing space is formed between notch board 12.Crop kernel is destroyed in order to avoid generating strong combing effect to crop, the present invention will
First notch board 12 is arranged to do not have any part for protruding into the first outside circle;In other words, the first roller is shared when rotated
According to there is no any overlapping space and space shared by the first notch board.
Intermediate intake mechanism 3 is at the rear of the first threshing separating mechanism 1, with intermediate feeding-wheel 32, centre feeding
Wheel 32 has cylindric main body and multiple teeth in the main body.When the rotation of intermediate feeding-wheel, crop is in these teeth
Drive under convey backward.Preferably, the intermediate intake mechanism 3 also have setting intermediate feeding-wheel 32 and the first roller 11 it
Between smooth rollers 31.
The rear of intermediate intake mechanism 3 is arranged in second threshing separating mechanism 2, and main component is second tin roller 20, position
Bottom plate 212 and the second notch board 232 below the second tin roller and the top plate 211 and cover board above the second tin roller
231。
Referring to Fig. 3 and Fig. 4, which has second rotation axis vertical with first rotation, this second
Rotation axis not in the horizontal plane, but gradually rises along direction from front to back.The second tin roller 20 be segmented into as
Under several parts: the pressure introduction part 21 positioned at front end, positioned at force introduction part rear roller rod teeth portion 23, and be located at rolling
The discharge portion 25 at 23 rear of cylinder bar teeth portion.
As shown in figure 4, forcing introduction part 21 that there are truncated cone 215 and two spiral shells on the truncated cone
Vane piece 214, the two helical blades are centered around on truncated cone 215, and phase of the two on truncated cone 215
Difference is 180 degree.Above and below being generally corresponding to the pressure introduction part 21, the second threshing separating mechanism 2 is respectively provided with lid
Plate 211 and bottom plate 212, the two are engaged with each other and are formed around the importing chamber for forcing introduction part 21.In order to enable importing process
Smoothness has smooth surface in bottom plate 212 and is not provided with towards any projecting member for forcing introduction part;Top plate 211 is basic
For smooth surface, only have in its back-end towards the pressure introduction part 21 guide vane 213 outstanding, as shown in Figure 5.
It is demonstrated experimentally that the individual guide vane 213 not but not hinder crop flow backward, and its can also by crop equably to
After guide, avoid crop because blocking caused by uneven feeding and the eccentric load of second tin roller 20.
There are roller rod teeth portion 23 positioned at pressure 21 rear of introduction part more to be parallel to each other and along the circumferential direction uniformly divide
Second bar 233 of cloth has multiple second threshing tooths 234 on each second bar 233.These second bars and the second threshing tooth can
Seed and crop are realized with cover board 231 and the interaction of the second notch board 232 to the further threshing of crop, and in rotary course
The separation of stem.In the lower section of the second tin roller 20, and mainly 23 lower section of roller rod teeth portion, it is provided with second notch board
232;Second notch board is grid configuration, and similarly with the first notch board, which protrudes into the second threshing without any
The part for the second outside circle that tooth is formed.The top of the second tin roller 20 is provided with the cover board 231.The cover board 231 is from upper
Side's covering second tin roller 20, and multiple spiral directing plates are provided on the cover board 231, for crop rearward to be guided.
In the present invention, in order to enable forcing introduction part 20 even if in the case where the moist flexible and feed quantity of crop is big
Good feeding property can be obtained, and multinomial improvement has been carried out to it.
Force the outer rim envelope of the helical blade 214 of introduction part 21 at the cylindrical body of a constant outer diameter, the cylindrical body
Diameter is also referred to as the spiral outer diameter of helical blade.In the present invention, which is configured to be greater than or equal to the second tooth top
Diameter of a circle.In the existing product and relevant design manual for importing crop using helical blade, it is required to spiral outer diameter
It is less than the outside circle of threshing cylinder, i.e., so-called " small conehead " design.Above-mentioned " big conehead " of the present invention not
Feeding property is reduced, shows better feeding property instead, this point can be obtained from experimental data mentioned above
To proof.In addition, the rear end of helical blade 214 is more leaned on than the front end of the second notch board 232 on second rotation axis direction
Before, so that the front end of the second notch board 232 be made to be located at after the bottom surface of truncated cone.Or this it is to be understood that force import
Portion 21 and the joint surface of roller rod teeth portion 23 are located further forward than the joint surface of bottom plate 212 and the second notch board 232.Such design can
So that feeding is more abundant, and Threshing is more preferable.To ensure that enough feeding power, the size of helical blade 214 meet following
Condition: for the higher part of helical blade front end, blade height is greater than the 20% of the spiral outer diameter of the helical blade,
Such as it can be set into 25%;And for the lower part of helical blade rear end, blade height is less than the helical blade
The 15% of spiral outer diameter, such as can be set into 13%.Forcing the length of introduction part 21 also has corresponding requirement, in the present invention
In, along second rotation axis direction, the ratio that the length of the pressure introduction part 21 accounts for the length of entire second tin roller 20 is small
In 30%, the threshing separating effect of the feeding effect and roller rod teeth portion of forcing introduction part is successively taken into account;For example, can will force
The ratio that the length of introduction part is arranged to account for the length of the entire second tin roller is equal to 20%, this ratio is of the invention overall
It can be realized especially desirable feeding and threshing separation resultant effect under design.
For the ease of the crop material after discharge threshing separation, the end of second tin roller 20 is provided with discharge portion 25.
The discharge portion has two or more sheet empennages 252 for capableing of rotary dial crop material, these empennages 252 are welded on circle
Extend on cylinder 251 and along the second rotation axis direction, and cylinder 251 is using the second rotation axis as rotation axis.In the present invention,
The ratio that the length along the second rotation axis direction of empennage 252 accounts for 20 overall length of second tin roller is greater than 12%, such as equal to 15%.
Above-mentioned installed threshing separator can be on combine harvester.Typical combine harvester has for making the joint
The running gear of harvester walking, the harvesting device positioned at the harvester front and for gathering in crop, by the work under harvesting
The conveying device that object conveys backward, and receive and carry out the next crop of self-conveying apparatus conveying and carry out the threshing for being detached from separating treatment
Separator.Installed threshing separator of the invention can be used on above-mentioned combine harvester.
Although the exemplary embodiment for combining the principle of the present invention is disclosed above, the present invention is not limited to
The disclosed embodiments.On the contrary, the application is intended to cover any variation of the invention, purposes using rule of the invention
Or modification.Moreover, the invention is intended to cover deviate present disclosure, such as fall into fields of the present invention known or habit and do
This content within the scope of method.
Claims (14)
1. a kind of installed threshing separator, comprising:
First threshing separating mechanism comprising the first roller and the first notch board below first roller;
Second threshing separating mechanism comprising second tin roller and the second notch board below the second tin roller;
Intermediate intake mechanism between the first threshing separating mechanism and the second threshing separating mechanism;
First roller can be rotated around first rotation, and have multiple and edges parallel with the first rotation
First bar of even circumferential distribution, has multiple first threshing tooths, the tooth top of first threshing tooth on each first bar
Form the first outside circle;
The second tin roller can be rotated around the second rotation axis vertical with the first rotation;
It is characterized by:
First notch board is grid configuration, which does not have in the one side towards first roller protrudes into described the
Any part of one outside circle;
The second tin roller includes:
Pressure introduction part positioned at front end, the pressure introduction part have truncated cone and the spiral shell on the truncated cone
Vane piece;And
Positioned at the roller rod teeth portion for forcing introduction part rear, which is open cylinder and has multiple and the second rotation
Shaft axis is parallel and circumferentially equally distributed second bar, has multiple second threshing tooths on each second bar, and described the
The tooth top of two threshing tooths forms the second outside circle;
Second notch board is grid configuration, and second notch board does not have any part for protruding into the second outside circle;
Second rotation axis gradually rises along direction from front to back;And
The outer rim of the helical blade has the constant spiral outer diameter more than or equal to second tip diameter.
2. installed threshing separator as described in claim 1, it is characterised in that:
The installed threshing separator also has the top plate being arranged in above the pressure introduction part and is located under the pressure introduction part
The bottom plate of side, the top plate and bottom plate are engaged with each other and are formed around the importing chamber for forcing introduction part;
The bottom plate is to partially wrap around the arc-shaped for forcing introduction part, which is connected with second notch board, and
Without any part towards the pressure introduction part protrusion.
3. installed threshing separator as claimed in claim 1 or 2, it is characterised in that:
Along second rotation axis direction, the front end of second bar is located further forward than the front end of second notch board.
4. installed threshing separator as described in claim 1, it is characterised in that: the front end of the helical blade is round from the butt
The blade height of cone surface protrusion is greater than the 20% of the spiral outer diameter of the helical blade.
5. installed threshing separator as claimed in claim 4, it is characterised in that: the front end of the helical blade is round from the butt
The blade height of cone surface protrusion is the 25% of the spiral outer diameter of the helical blade.
6. installed threshing separator as described in claim 4 or 5, it is characterised in that: the rear end of the helical blade is from described section
The blade height of head conical surface protrusion is less than the 15% of the spiral outer diameter of the helical blade.
7. installed threshing separator as claimed in claim 6, it is characterised in that: the blade height of the rear end of the helical blade is
The 13% of the spiral outer diameter of the helical blade.
8. the installed threshing separator as described in claim 1,2,4,5 or 7, it is characterised in that: along the second rotation axis side
To the length for forcing introduction part accounts for the ratio of the length of the entire second tin roller less than 30%.
9. installed threshing separator as claimed in claim 8, it is characterised in that: described strong along second rotation axis direction
The ratio that the length of introduction part processed accounts for the length of the entire second tin roller is equal to 20%.
10. installed threshing separator as claimed in claim 2, it is characterised in that: the top plate has in its back-end described in
Force at least one guide vane of introduction part protrusion.
11. the installed threshing separator as described in claim 1,2,4,5,7,9 or 10, it is characterised in that: the second tin roller exists
Its end has at least two sheet empennages extended along second rotation axis direction.
12. installed threshing separator as claimed in claim 11, it is characterised in that: the sheet empennage is rotated along described second
The ratio that the length of axis direction accounts for the second tin roller overall length is greater than 12%.
13. installed threshing separator as claimed in claim 12, it is characterised in that: the sheet empennage is rotated along described second
The ratio that the length of axis direction accounts for the second tin roller overall length is equal to 15%.
14. a kind of combine harvester, comprising:
Running gear for making the combine harvester walk;
Harvesting device positioned at the combine harvester front and for gathering in crop;
The conveying device that will rearward be conveyed by the crop under harvesting device harvesting;And
The threshing as described in one of the claims for receiving the crop from the conveying device and crop being handled
Separator.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201410061807.6A CN104365289B (en) | 2014-02-24 | 2014-02-24 | Installed threshing separator and combine harvester with the installed threshing separator |
EP15155590.1A EP2910107A1 (en) | 2014-02-24 | 2015-02-18 | Threshing and separating device and combine harvester having the same |
US14/627,453 US9456550B2 (en) | 2014-02-24 | 2015-02-20 | Threshing and separating device and combine harvester having the same |
Applications Claiming Priority (1)
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CN201410061807.6A CN104365289B (en) | 2014-02-24 | 2014-02-24 | Installed threshing separator and combine harvester with the installed threshing separator |
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CN104365289A CN104365289A (en) | 2015-02-25 |
CN104365289B true CN104365289B (en) | 2019-05-31 |
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Families Citing this family (3)
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CN105850399A (en) * | 2016-05-10 | 2016-08-17 | 东风井关农业机械有限公司 | Cleaning cylinder of harvester |
CN107172979B (en) * | 2017-07-16 | 2019-11-29 | 吉林大学 | Nested differential double-screw type blueness raises stalk and crushes conveying device |
CN107371641A (en) * | 2017-08-22 | 2017-11-24 | 湖南农业大学 | A kind of gap is adjustable concave grate and sheller unit |
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CN102177791A (en) * | 2011-04-22 | 2011-09-14 | 江苏大学 | Combined threshing separation device of transverse tangential flow roller and longitudinal dual axial flow roller |
CN202889992U (en) * | 2012-10-29 | 2013-04-24 | 黄宝玉 | Longitudinal double-axial-flow grain threshing separation device |
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US5334093A (en) * | 1991-05-10 | 1994-08-02 | Deere & Company | Detachable covers for an axial separator |
US5556337A (en) * | 1992-09-28 | 1996-09-17 | Claas Ohg Beschraebkt Haftende Offene | Self-propelling harvester thresher |
CN1360818A (en) * | 2000-12-26 | 2002-07-31 | 约翰·迪尔佳联收获机械有限公司 | Combined tangential and axial flow threshing separator |
CN2867835Y (en) * | 2005-07-29 | 2007-02-14 | 湖南农业大学 | Threshing machine drum capable of reducing rice seed damage |
CN201639992U (en) * | 2010-04-22 | 2010-11-24 | 山东宁联机械制造有限公司 | Self-propelled grain combine |
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