CN207185275U - A kind of adjustable concave grate in gap - Google Patents
A kind of adjustable concave grate in gap Download PDFInfo
- Publication number
- CN207185275U CN207185275U CN201721052920.3U CN201721052920U CN207185275U CN 207185275 U CN207185275 U CN 207185275U CN 201721052920 U CN201721052920 U CN 201721052920U CN 207185275 U CN207185275 U CN 207185275U
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- CN
- China
- Prior art keywords
- bar
- fixed
- horizontal
- longitudinally
- concave grate
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of adjustable concave grate in gap, including fixed component and movable part, fixed component includes longitudinally fixed bar, horizontal arc fixed railing bar and horizontal arc fixed strip, multiple horizontal arc fixed strips are along the axially arranged of concave grate, arcuate directions of the longitudinally fixed bar along any horizontal arc fixed strip are set, and intersect affixed formation space globoidal structure with horizontal arc fixed strip；Movable part includes longitudinally-moving bar, horizontal arcuate movement grizzly bar and governor motion, and horizontal arcuate movement grizzly bar is through through hole and affixed so as to being formed and the adjustable sieve pore structure of horizontal arc fixed railing bar relative distance with longitudinally-moving bar.This concave grate dexterously realizes continuous, the step-less adjustment of the slot size of the concave grate of united reaper, enhances united reaper conformability, reduces cost, improves the efficiency of harvesting threshing.
Description
Technical field
The utility model belongs to agricultural mechanical field, further, is related to combining threshing separation technology field.Specially
Applied to a kind of concave grate of screen size continuously adjustable on threshing and separating device of combine harvester, for the paddy after threshing
The separation of thing and stalk.
Background technology
The national conditions that China has a large population and a few land determine the productivity ratio that multiple cropping must be relied on to improve unit soil, to meet product
Effective supply.For example, southern region of China uses the cropping system of Rice-rape rotation, this various crop rotation system certainty more
It is required that the general-purpose combine harvester of a tractor serves several purposes, avoids causing agricultural machinery and implement busy farming season time machine not enough, other time with this
Machine is idle to be wasted.There have been many enterprises the country, and successively full feeding rice wheat combine is subject into improvement takes in rape concurrently, leads to
Adjustment cleaning fan air quantity is crossed, the modes such as flat-surfaced screen is changed and pneumatic jig cleaning plant is improved, taken on technology exploration
Certain progress was obtained, but technology is ripe not enough.
Rice wheat combine harvester harvest rape Threshing is not good enough, and it is big to be primarily present threshing loss, emersion object it is miscellaneous remaining more and
The problems such as unbroken Fruit pod is more.The structural parameters and kinematic parameter of mainly existing rice wheat combine harvester sheller unit are not
It is adapted to rape threshing, so as to influence the threshing performance of sheller unit.Therefore need to the further technology exploration of existing sheller unit,
Make the Parameter adjustable section of united reaper.There are numerous studies to show that the screen size size of concave grate has to the Threshing of crop
Important influence, therefore a kind of adjustable concave grate of screen size of utility model turns into the problem of a urgent need to resolve.
Chinese patent CN201611002803 discloses " a kind of rice-wheat threshing device concave grate ", can be according to harvest situation
Slot size is adjusted, but there may be following problem：
1st, it is complicated, include multiple travelling gears, need to fix grate size on every axle, processing and fabricating cost is high；
2nd, multiple gear drives be present, it is higher to operating environment requirements, while gear is also easily stuck；
3rd, sieve aperture can only realize maximum and less two kinds of settings, and the sieve aperture between maximum and smaller is interconnected,
The step-less adjustment of size can not be realized；
4th, the threshing operations of rape can not be taken into account.
Utility model content
The utility model aims to provide a kind of achievable new concave grate of slot size continuously adjustable, to solve above-mentioned ask
Topic.
To achieve the above object, the utility model discloses a kind of adjustable concave grate in gap, including fixed component and activity
Part, the fixed component include longitudinally fixed bar, horizontal arc fixed railing bar and horizontal arc fixed strip, multiple transverse directions
Arc fixed strip is axially arranged along the concave grate, arc of the longitudinally fixed bar along any horizontal arc fixed strip
Direction is set, and intersects affixed formation space globoidal structure with the horizontal arc fixed strip；The movable part includes longitudinal direction
Activity bar, horizontal arcuate movement grizzly bar and governor motion, one end of the longitudinally-moving bar and the governor motion are affixed, described
The relevant position of longitudinally fixed bar and longitudinally-moving bar along its length is provided with multiple through holes, the horizontal arc fixed railing
Through through hole and affixed in through hole and the longitudinally fixed bar, the horizontal arcuate movement grizzly bar passes through through hole and in through hole bar
Place is affixed with the longitudinally-moving bar, and the horizontal arcuate movement grizzly bar forms relative distance with the horizontal arc fixed railing bar
Adjustable sieve aperture, the fixed component and movable part of this programme can regard a kind of concave sieve structure as respectively, by the way that two are sieved
The nonadjustable concave grate in hole is entrenched togather to form a new concave grate, and wherein fixed component is fixed with sheller unit, activity
Part movement regulation relative distance, you can realize the relative distance between horizontal arcuate movement grizzly bar and horizontal arc fixed railing bar
Continuously adjustabe, that is, the sieve aperture for being fitted together to the concave grate of one completes the continuously adjustabe of slot size, and then is adapted to different sieve apertures
The crop threshing work of size requirement, while the concave grate generally common metal structural member is welded, materials are convenient, make
Simply.
Further, the through hole is waist-shaped hole, the horizontal arc fixed railing bar and the horizontal arcuate movement grizzly bar
For circular arc bar structure, circular arc bar structure, which can play, preferably reduces friction and guide effect, is easy to cereal（Or seed）And stem
The separation of stalk, makes cereal（Or seed）Easily skidded off from sieve aperture.
Further, the longitudinally fixed bar is the elongate in shape of square-section, positioned at the horizontal arc fixed strip
The longitudinally fixed bar coplanar horizontal at both ends is set, and this kind of elongate in shape materials are simple, and the two of the horizontal arc fixed strip
The longitudinally fixed bar coplanar horizontal at end, which is set, to be easy to open screwed hole on the longitudinally fixed bar and fixed on sheller unit.
Further, the quantity of the longitudinally-moving bar is at least 4, and along the arcwall face of the horizontal arc fixed strip
Arrangement.
Further, the governor motion includes arc strip, regulating bolt, adjusting nut and threshing box fixed plate, described
Same one end of arc strip and the longitudinally-moving bar is affixed, and the adjusting nut and the arc strip are affixed, the regulating bolt
Simultaneously with the adjusting nut, the worm drive of threshing box fixed plate so as to adjusting the threshing box fixed plate and the arc strip
Distance, this kind of governor motion simply and easily realize the relative movement between fixed component and movable part.
Compared with prior art, the utility model has the advantage of：
This concave sieve structure is simple, easy to make, dexterously realizes the company of the slot size of the concave grate of united reaper
Continuous, step-less adjustment, significantly increases a tractor serves several purposes performance of united reaper, can not only quickly be cut when gathering in threshing
Change, save the time for changing concave grate, while enhance the conformability of united reaper, reduce agricultural machinery into
Originally the efficiency of harvesting threshing, is improved.
Below with reference to accompanying drawings, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the axonometric schematic diagram of the adjustable concave grate in gap disclosed in the utility model preferred embodiment；
Fig. 2 is the adjustable concave grate minimum etat crible structural representation in gap disclosed in the utility model preferred embodiment；
Fig. 3 is partial enlarged drawing at Fig. 2 I；
Fig. 4 is the adjustable concave grate maximum etat crible structural representation in gap disclosed in the utility model preferred embodiment；
Fig. 5 is partial enlarged drawing at the II of Fig. 4；
Fig. 6 is partial enlarged drawing at the III of Fig. 4.
Marginal data：
1st, longitudinally fixed bar；2nd, longitudinally-moving bar；3rd, governor motion；31st, arc strip；32nd, regulating bolt；33rd, spiral shell is adjusted
It is female；34th, threshing box fixed plate；4th, horizontal arc fixed strip；51st, through hole；6th, horizontal arcuate movement grizzly bar；7th, horizontal arc is fixed
Grizzly bar；8th, sieve aperture.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
The utility model embodiment discloses a kind of concave grate of achievable slot size step-less adjustment, such as Fig. 1-Fig. 6 institutes
Show, the overall structure of the concave grate is space circular arc structure, and in threshing frame, the concave grate uses Metal Material Welding
Shaping, mainly includes two parts：Fixed component and movable part, fixed component are fixed relative to rice wheat combine harvester, and
Movable part can be moved back and forth relative to the longitudinal direction of the fixed component so as to control the size of sieve aperture 8.
Specifically, fixed component includes longitudinally fixed bar 1, horizontal arc fixed strip 4 and horizontal arc fixed railing bar 7, indulge
It is evenly distributed to the arcwall face of the transversely arc fixed strip 4 of fixed strip 1 and intersect with horizontal arc fixed strip 4 and be welded and fixed, indulge
Multiple through holes 51, and the position consistency for the through hole 51 opened on each longitudinally fixed bar 1 are vertically arranged with to fixed strip 1, laterally
Arc is fixed grizzly bar 7 through through hole 51 and is welded and fixed in the position of through hole 51 and longitudinally fixed bar 1.
Movable part includes longitudinally-moving bar 2, horizontal arcuate movement grizzly bar 6 and governor motion 3, same on longitudinally-moving bar 2
Sample offers through hole 51, likewise, horizontal arcuate movement grizzly bar 6 is welded and fixed when through through hole 51 with longitudinally-moving bar 2, i.e.,
Horizontal arcuate movement grizzly bar 6 is only welded with longitudinally-moving bar 2 in the position of through hole 51, and is not welded with longitudinally fixed bar 1, phase
To answer, horizontal arc fixed railing bar 7 is only welded with longitudinally fixed bar 1 in the position of through hole 51, and with longitudinally-moving bar 2 not
, therefore, relatively-movable horizontal arcuate movement grizzly bar 6 and horizontal arc fixed railing bar 7 in same through hole 51 be present in welding.
Horizontal arcuate movement grizzly bar 6 through through hole 51 and with longitudinally-moving bar 2 is affixed is fixed so as to be formed with horizontal arc
The adjustable sieve pore structure of the relative distance of grizzly bar 7, when pulling movable part, horizontal arcuate movement grizzly bar 6 and horizontal arc fixed railing
The adjustable sieve aperture 8 of a size can be formed between bar 7, can increase sieve aperture in the case where the concave grate cover surface is constant
8 quantity, the size of each sieve aperture 8 is then reduced accordingly, so as to realize the big minor adjustment of sieve aperture 8.
In the present embodiment, governor motion 3 is fixed including arc strip 31, regulating bolt 32, adjusting nut 33 and threshing box
Plate 34, one end of arc strip 31 and longitudinally-moving bar 2 is affixed, and adjusting nut 33 and arc strip 31 are affixed, and regulating bolt 32 is simultaneously
With adjusting nut 33, the worm drive of threshing box fixed plate 34 so as to adjust the distance of threshing box fixed plate 34 and arc strip 31, enter
And adjust the size of sieve aperture 8 with realizing stepless continuous.
The fixed component and movable part of the present embodiment can regard a kind of concave sieve structure as respectively, by by two sieve apertures
8 nonadjustable concave grates are entrenched togather to form a new concave grate, and wherein fixed component is fixed with sheller unit, movable part
Part movement regulation relative distance, you can realize the relative distance between horizontal arcuate movement grizzly bar 6 and horizontal arc fixed railing bar 7
Continuously adjustabe, that is, complete to be fitted together to the continuously adjustabe of the size of sieve aperture 8 of the concave grate of one, and then be adapted to different sieve apertures 8 to need
The threshing work for the crop asked, while the concave grate generally common metal structural member is welded, materials are convenient, make letter
It is single, it reduce further the manufacturing cost of the concave grate.
In the present embodiment, through hole 51 is waist-shaped hole, and horizontal arcuate movement grizzly bar 6 and horizontal arc fixed railing bar 7 are circle
Arc bar structure, the concave grate is smoothly skidded off after being advantageous to rice wheat or rape threshing using circular arc bar structure.
In the present embodiment, longitudinally fixed bar 1 is the elongate in shape of square-section, positioned at the two of horizontal arc fixed strip 4
The 1 coplanar setting of longitudinally fixed bar at end, is provided with mounting hole, is easy to the installation of the concave grate and sheller unit.
In the present embodiment, the quantity of longitudinally-moving bar 2 is at least 4, and the arcwall face of transversely arc fixed strip 4 is equal
Even arrangement, so as to enhance the structural strength of movable part.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of adjustable concave grate in gap, it is characterised in that including fixed component and movable part, the fixed component includes vertical
To fixed strip（1）, horizontal arc fixed railing bar（7）With horizontal arc fixed strip（4）, multiple horizontal arc fixed strips（4）
Along the axially arranged of the concave grate, the longitudinally fixed bar（1）Along any horizontal arc fixed strip（4）Arcuate directions
Set, and with the horizontal arc fixed strip（4）Intersecting affixed formation space globoidal structure；It is living that the movable part includes longitudinal direction
Dynamic bar（2）, horizontal arcuate movement grizzly bar（6）And governor motion（3）, the longitudinally-moving bar（2）One end and the regulation machine
Structure（3）It is affixed, the longitudinally fixed bar（1）With longitudinally-moving bar（2）Relevant position along its length is provided with multiple logical
Hole（51）, the horizontal arc fixed railing bar（7）Through through hole（51）And in through hole（51）Place and the longitudinally fixed bar（1）Gu
Connect, the horizontal arcuate movement grizzly bar（6）Through through hole（51）And in through hole（51）Place and the longitudinally-moving bar（2）It is affixed,
The horizontal arcuate movement grizzly bar（6）With the horizontal arc fixed railing bar（7）Form the adjustable sieve aperture of relative distance（8）.
2. the adjustable concave grate in gap according to claim 1, it is characterised in that the through hole（51）It is described for waist-shaped hole
Horizontal arc fixed railing bar（7）With the horizontal arcuate movement grizzly bar（6）For circular arc bar structure.
3. the adjustable concave grate in gap according to claim 2, it is characterised in that the longitudinally fixed bar（1）Cut for rectangle
The elongate in shape in face, positioned at the horizontal arc fixed strip（4）Both ends the longitudinally fixed bar（1）Coplanar horizontal is set.
4. according to any described adjustable concave grates in gap of claim 1-3, it is characterised in that the longitudinally-moving bar（2）'s
Quantity is at least 4, and along the horizontal arc fixed strip（4）Arcwall face arrangement.
5. the adjustable concave grate in gap according to claim 4, it is characterised in that the governor motion（3）Including arc strip
（31）, regulating bolt（32）, adjusting nut（33）With threshing box fixed plate（34）, the arc strip（31）With the longitudinally-moving
Bar（2）Same one end it is affixed, the adjusting nut（33）With the arc strip（31）It is affixed, the regulating bolt（32）While with
The adjusting nut（33）, threshing box fixed plate（34）Worm drive are so as to adjusting the threshing box fixed plate（34）With the arc
Shape bar（31）Distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052920.3U CN207185275U (en) | 2017-08-22 | 2017-08-22 | A kind of adjustable concave grate in gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052920.3U CN207185275U (en) | 2017-08-22 | 2017-08-22 | A kind of adjustable concave grate in gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207185275U true CN207185275U (en) | 2018-04-06 |
Family
ID=61794696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052920.3U Withdrawn - After Issue CN207185275U (en) | 2017-08-22 | 2017-08-22 | A kind of adjustable concave grate in gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207185275U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396702A (en) * | 2017-08-22 | 2017-11-28 | 湖南农业大学 | A kind of adjustable concave grate in gap |
| CN109874511A (en) * | 2019-03-18 | 2019-06-14 | 江苏大学 | A kind of adjustable sheller unit of two-way bracing wire cylinder-concave clearance and combined harvester |
| CN111438043A (en) * | 2020-04-07 | 2020-07-24 | 加州原野(霸州市)食品有限责任公司 | Nut size screening device |
| WO2020151411A1 (en) * | 2019-01-21 | 2020-07-30 | 山东理工大学 | Threshing and cleaning test bed |
-
2017
- 2017-08-22 CN CN201721052920.3U patent/CN207185275U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396702A (en) * | 2017-08-22 | 2017-11-28 | 湖南农业大学 | A kind of adjustable concave grate in gap |
| WO2020151411A1 (en) * | 2019-01-21 | 2020-07-30 | 山东理工大学 | Threshing and cleaning test bed |
| CN109874511A (en) * | 2019-03-18 | 2019-06-14 | 江苏大学 | A kind of adjustable sheller unit of two-way bracing wire cylinder-concave clearance and combined harvester |
| CN109874511B (en) * | 2019-03-18 | 2021-07-20 | 江苏大学 | Threshing device with adjustable bidirectional stay wire threshing gap and combine harvester |
| CN111438043A (en) * | 2020-04-07 | 2020-07-24 | 加州原野(霸州市)食品有限责任公司 | Nut size screening device |
| CN111438043B (en) * | 2020-04-07 | 2021-04-06 | 加州原野(霸州市)食品有限责任公司 | Nut size screening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20230704 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20230704 |