CN208446102U - A kind of longitudinally axial flow threshing separation adjustable sieve - Google Patents
A kind of longitudinally axial flow threshing separation adjustable sieve Download PDFInfo
- Publication number
- CN208446102U CN208446102U CN201820845547.5U CN201820845547U CN208446102U CN 208446102 U CN208446102 U CN 208446102U CN 201820845547 U CN201820845547 U CN 201820845547U CN 208446102 U CN208446102 U CN 208446102U
- Authority
- CN
- China
- Prior art keywords
- section
- threshing
- axial flow
- hinged
- adjustable sieve
- Prior art date
- 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
Links
Abstract
The utility model relates to a kind of longitudinally axial flow threshings to separate adjustable sieve, belong to agricultural machinery technological field.The sieve includes two parallel side arc plates and one group of grid pin being parallel to each other being distributed between the arc plate of two sides, each grid pin distinguishes hinged auxiliary switch plate, two secondary circumferentially-adjacent switchboards are pairs of, extend trunnion hinged with V-shaped rocking lever both ends respectively in the bottom surface of pairs of switchboard, at the inflection of the V-shaped rocking lever in respective side arc plate middle section respectively with two adjacent to interconnected rod abutting end it is hinged, constitute the opening and closing linkage mechanism between pairs of switchboard.Threshing and the separation problem of difficult de- crop are properly settled using the utility model, not only high-efficient but also quality is protected.
Description
Technical field
The utility model relates to a kind of installed threshing separator, especially a kind of longitudinally axial flow threshing separates adjustable sieve, belongs to agriculture
Industry field of mechanical technique.
Background technique
Installed threshing separator is the core component of harvest machinery, and function is to separate grain from grain ear,
And separated from emersion object (containing grain, broken stalk, glume and impurity etc.) as far as possible, performance directly decides that joint is received
Obtain the working performance of machine.Axial flow type threshig device is because threshability is strong, threshing performance is high, disintegrate-quality is good, percentage of damage is lower, general
Property it is good and be used widely.Existing axial flow type threshig device is divided to horizontal axis flow threshing device and two class of longitudinal axial flow threshing device, preceding
Person is successfully applied to the cropper of different types of machines because crop feeding is easy, combined harvester general layout can be made compact.
But the length of horizontal axial drum is limited by cropper width, de- to divide scarce capacity in the case where big feed quantity, is restricted
Application on big type.Its typical structure may refer to the Chinese utility model patent application No. is 2015105537826
Document.
According to the applicant understood, main combined harvester is turned to substantially with the replacement of longer threshing of axial unit with axial feeding at present
Horizontal axis flow threshing device, to obtain the de- raising for dividing ability.But result does not only result in longitudinal length and increases considerably, and works as
When crop feed quantity is larger, moisture content is higher or harvest difficult de- crop, it is commonly present that threshing is clean, separation is not thorough, carries damage secretly
The problems such as mistake rate is larger, operating efficiency is relatively low, failure rate is higher influences combined harvester farm work performance.
Summary of the invention
The purpose of this utility model is that: in view of the deficienciess of the prior art, difficult de- crop can be guaranteed by providing one kind
Threshing and separative efficiency height, high-quality longitudinally axial flow threshing separate adjustable sieve, to be applied to join for design and manufacture are easy to spread
The longitudinally axial flow threshing and separating installation for closing cropper lays the foundation.
To achieve the above object, the basic technical scheme of the utility model longitudinally axial flow threshing separation adjustable sieve are as follows: including two
The parallel side arc plate of item and one group of grid pin being parallel to each other being distributed between the arc plate of two sides, each grid pin difference hinged one
Auxiliary switch plate, two secondary circumferentially-adjacent switchboards are pairs of, the bottom surface of pairs of switchboard extend respectively with V-shaped rocking lever both ends
Hinged trunnion, at the inflection of the V-shaped rocking lever in respective side arc plate middle section respectively with two adjacent to interconnected rod abutting end it is hinged,
Constitute the opening and closing linkage mechanism between pairs of switchboard.
The utility model further improves, and the lower end of one of at least described interconnected rod is driven with the lifting for being installed on rack
Dynamic device upper end is hinged.
In this way, can drive each pairs of switchboard is opposite on demand to open after adjustable sieve is attached to outside conventional concave grate
It closes, realizes different Threshings.When switchboard is in the open state, in common threshing intensity, suitable conventional crop takes off
Grain；When switchboard is in closed state, concave grate is in closed state, can increase connecing for threshing course threshing cylinder and concave grate
Contacting surface product, and then increase the threshing course crop flailing action time, simultaneously because crop will not pass through threshing section notch board sieve separation
Go out, material density it is big, threshing intensity increases, be suitble to difficult de- crop threshing, thus properly settled difficult de- crop threshing and
Separation problem, not only high-efficient but also quality are protected.
The utility model further improves, and the lifting drive is to be pushed away by the electricity of mounting plate dress on the rack
Bar, the upper end of the electric putter and corresponding interconnected rod are hinged.
It is that the adjustable sieve is enclosed under the threshing section concave grate front of semi arch that the utility model, which further improves,
Side；The recessed screen of segregation section is concatenated after the threshing section concave grate；Divide on the threshing section concave grate and segregation section concave grate
It is not stamped threshing section lid and separation section lid, is equipped with spiral helicine threshing section guide plate respectively in the threshing section lid and separation section lid
With straw outlet guide plate.In this way, can control crop axial movement speed and threshing time, and for dredging the straw after threshing
Stalk.
The utility model further perfect is notch board on the segregation section in the recessed screen of segregation section equipped with pairing
Sieve, the two constitute 360 ° and efficiently separate section.When crop after threshing passes through segregation section, seed can not only pass through concave plate
Sieve separation can also be separated by upper concave grate, compared with tradition only has concave plate sieve structure, due to increasing separating area,
Therefore seed separation rate is effectively increased, reduces seed entrainment loss.
The utility model further improves, and the top section of concave grate is plane in top surface on the segregation section
It is trapezoidal, there is spiral helicine segregation section guide plate, therefore crop can be controlled by the way that suitable helical angle is arranged in the top surface
In the axial movement speed and disengaging time of segregation section.
The utility model still further improve be concave grate on the segregation section top equipped with respectively towards two sides extend
The anti-seed of eaves shape fall plate after rise.When seed is separated by concave grate in threshing section, anti-seed is fallen in dropping process and is returned
When falling on plate, the devices such as the vibrating screen separately matched are slipped to threshing cylinder two sides by plate is fallen after rise along anti-seed under the effect of gravity
On, further increase disintegrate-quality.
Detailed description of the invention
The utility model is introduced in order to clearer, embodiment is simply introduced below in conjunction with attached drawing.
Fig. 1 is the schematic perspective view of the utility model one embodiment.
Fig. 2 is the schematic perspective view of Fig. 1 embodiment top cover opening state.
Fig. 3 is the plane projection structural schematic diagram of Fig. 1 embodiment top cover opening state.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the adjustable sieve switchboard closed state schematic perspective view of Fig. 1 embodiment.
Fig. 6 is the adjustable sieve switchboard open state schematic perspective view of Fig. 1 embodiment.
Fig. 7 is the adjustable sieve switchboard exploded perspective structural schematic diagram of Fig. 1 embodiment.
Fig. 8 is the segregation section concave grate schematic perspective view of Fig. 1 embodiment.
Fig. 9 is the plane projection structural schematic diagram of Fig. 8.
In figure: 1 rack, 2 top covers, 3 threshing section guide plates, 4 straw outlet guide plates, 5 front-end bearing pedestals, 6 rear bearing blocks, 7 are indulged
Axial threshing cylinder, 8 spirals feeding head lower cover, 9 threshing section concave grates, the recessed screen of 10 segregation sections, concave grate on 11 segregation sections,
12 anti-seeds fall plate, 13 segregation section guide plates, 14 switchboard side arc plates, 15 switchboards, 16 grid pins, 17 rocking levers, 18 interconnection after rise
Bar, 19 connecting plates, 20 pairs, 21 electric putters, 22 mounting plates, 23 spiral input heads.
Specific embodiment
The longitudinally axial flow threshing separation adjustable sieve of the present embodiment is applied to segmented longitudinally axial flow threshing shown in Fig. 1 to Fig. 4 point
From wherein the top of rack 1 is equipped with openable hood-like top cover 2, and lower top cover 2 is to be supported on band spiral input head 23 in rack 1
Longitudinally axial flow threshing roller 7, structure is essentially identical with the prior art, outer circle be distributed be spaced apart radially extend ratch.
Spiral input head 23 is by being wound on the spiral guide plate 23-1 of detachment roller outer circle and being spaced apart the triangle group in spiral guide plate
Plate 23-2 is constituted, and cereal can be rotated to input threshing section.
The semi arch for being fixed on rack 1 and surrounding under it is respectively provided with below the leading portion and back segment of longitudinally axial flow threshing roller 7
Threshing section concave grate 9 and the recessed screen 10 of segregation section.Two sections of concave sieve structures and the prior art are similar, by circumferentially-spaced distribution
Axial screen and Axial spacer portions circumferential grizzly bar constitute.Wherein the lower front of threshing section concave grate 9 is also equipped with adjustable
Sieve.The left and right two panels of adjustable screening (can also with disjunctor be one) of the present embodiment, specific structure as shown in Fig. 5, Fig. 6 and Fig. 7,
Including two parallel side arc plates 14 and one group of grid pin 16 being parallel to each other being distributed between two sides arc plate 14, each grid
Pin 16 distinguishes hinged auxiliary switch plate 15, and two secondary circumferentially-adjacent switchboards 15 in pairs, extend by the bottom surface of pairs of switchboard 15
The trunnion 15-1 hinged with 17 both ends of V-shaped rocking lever respectively (then also needs to remove respective side if it is conjoined structure in addition to both ends
The center of arc plate 14), respectively with two adjacent to the adjacent of interconnected rod 18 at the inflection of the V-shaped rocking lever 17 in 14 middle section of respective side arc plate
End is hinged, to constitute the opening and closing linkage mechanism between pairs of switchboard 15.It is pushed away on the mounting plate 22 of 1 bottom of rack equipped with electricity
Bar 21, the upper end are hinged by head pair 20 and left and right two adjustable sieves the lowermost interconnected rod 18.In this way, by electric putter
Control can drive the opposite opening and closing on demand of each pairs of switchboard.Open and-shut mode by electric putter through connecting plate control switch plate,
Realize the two different Threshings of threshing section, when switchboard is in closed state, threshing front end concave grate is in closed state, is increased
Big threshing course threshing cylinder and concave grate contact area, and then increase the threshing course crop flailing action time, simultaneously because
Crop will not be separated by threshing section concave grate, and material density is big in the section, and threshing section threshing intensity increases, Threshing
It is good；When switchboard is in the open state, threshing section is common threshing intensity.
As shown in Figure 8 and Figure 9, concave grate 11 on the segregation section in the recessed screen 10 of segregation section equipped with pairing, the two are constituted
360 ° efficiently separate section.The top section of concave grate 11 is the trapezoidal of plane in top surface on segregation section, has spiral in top surface
The segregation section guide plate 13 of shape, the top of concave grate 11 towards two sides equipped with extending respectively and have predetermined angle of declination on the segregation section
The anti-seed of eaves shape fall plate 12 after rise.When seed is separated by concave grate in threshing section, having in dropping process can be fallen on
Anti- seed is fallen after rise on plate, due to gravity, is fallen plate after rise along anti-seed and is slid to threshing cylinder two sides, eventually fall in cropper
Vibrating screen on.Top cover 2 divides for threshing section lid and separation section lid, and the radial space for separating lid is greater than threshing section lid, threshing section lid
Inside have with cylinder axis it is in a certain angle it is spiral helicine be spaced apart threshing section guide plate 3, can control crop to be taken off in this way and exist
The threshing time of threshing section and axial movement speed.There is straw outlet guide plate 4 in separation section lid, for dredging the straw after threshing
Stalk.
Experiments have shown that compared with prior art, the present embodiment using adjustable sieve with threshing section concave grate due to being bonded
The leading portion of longitudinally axial flow threshing separation system, therefore adjustable disengaging section threshing intensity, while increasing segregation section separating area,
Separation rate is significantly improved, current longitudinal axial flow threshing device is effectively solved under the conditions of harvest big feeding or moisture content is higher, more difficult
The threshing occurred when the crop of threshing is not thorough, separates problem incomplete, that seed entrainment loss is big.
Claims (7)
1. a kind of longitudinally axial flow threshing separates adjustable sieve, including two parallel side arc plates (14) and it is distributed in two sides arc plate
Between one group of grid pin (16) being parallel to each other, it is characterised in that: each grid pin distinguishes hinged auxiliary switch plate (15), and two is secondary circumferential
Adjacent switchboard is pairs of, and trunnion hinged with V-shaped rocking lever (17) both ends respectively is extended in the bottom surface of pairs of switchboard
(15-1), at the inflection of the V-shaped rocking lever in respective side arc plate middle section respectively with two adjacent to interconnected rod (18) abutting end it is hinged,
Constitute the opening and closing linkage mechanism between pairs of switchboard.
2. longitudinally axial flow threshing according to claim 1 separates adjustable sieve, it is characterised in that: one of at least described interconnected rod
Lower end and the lifting drive upper end for being installed on rack are hinged.
3. longitudinally axial flow threshing according to claim 2 separates adjustable sieve, it is characterised in that: the lifting drive is logical
The electric putter of mounting plate dress on the rack is crossed, the upper end of the electric putter and corresponding interconnected rod are hinged.
4. longitudinally axial flow threshing according to claim 3 separates adjustable sieve, it is characterised in that: the adjustable sieve is enclosed in semicircle
The threshing section concave grate lower front of arc；The recessed screen of segregation section is concatenated after the threshing section concave grate；The threshing section is recessed
Threshing section lid and separation section lid are stamped in screen and segregation section concave grate respectively, is pacified respectively in the threshing section lid and separation section lid
There are spiral helicine threshing section guide plate and straw outlet guide plate.
5. longitudinally axial flow threshing according to claim 4 separates adjustable sieve, it is characterised in that: in the recessed screen of segregation section
Concave grate on segregation section equipped with pairing, the two constitute 360 ° and efficiently separate section.
6. longitudinally axial flow threshing according to claim 5 separates adjustable sieve, it is characterised in that: concave grate on the segregation section
Top section is the trapezoidal of plane in top surface, has spiral helicine segregation section guide plate in the top surface.
7. longitudinally axial flow threshing according to claim 6 separates adjustable sieve, it is characterised in that: concave grate on the segregation section
Plate is fallen after rise equipped with the anti-seed of eaves shape extended respectively towards two sides in top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845547.5U CN208446102U (en) | 2018-06-01 | 2018-06-01 | A kind of longitudinally axial flow threshing separation adjustable sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845547.5U CN208446102U (en) | 2018-06-01 | 2018-06-01 | A kind of longitudinally axial flow threshing separation adjustable sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208446102U true CN208446102U (en) | 2019-02-01 |
Family
ID=65159125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820845547.5U Expired - Fee Related CN208446102U (en) | 2018-06-01 | 2018-06-01 | A kind of longitudinally axial flow threshing separation adjustable sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208446102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811787A (en) * | 2018-06-01 | 2018-11-16 | 山东理工大学 | A kind of longitudinally axial flow threshing separation adjustable sieve |
-
2018
- 2018-06-01 CN CN201820845547.5U patent/CN208446102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811787A (en) * | 2018-06-01 | 2018-11-16 | 山东理工大学 | A kind of longitudinally axial flow threshing separation adjustable sieve |
| CN108811787B (en) * | 2018-06-01 | 2023-10-20 | 山东理工大学 | Longitudinal axial flow threshing and separating adjustable sieve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8721411B2 (en) | Axial flow disrupter | |
| US3678938A (en) | Separator device for combine harvesters | |
| CN103960003A (en) | Flexible-tooth threshing system with adjustable threshing gap | |
| CN103875371A (en) | Stepped type cross flow cutting multi-roller threshing separating and cleaning device | |
| RU2604512C2 (en) | Separator screen | |
| CN201536498U (en) | Threshing mechanism in longitudinal axial flow whole-feeding combine harvester | |
| CN102282978A (en) | Longitudinal axial flow threshing device | |
| CN102714984A (en) | Threshing and sorting system for combined harvester | |
| CN108811787A (en) | A kind of longitudinally axial flow threshing separation adjustable sieve | |
| CN208446102U (en) | A kind of longitudinally axial flow threshing separation adjustable sieve | |
| CN107371642B (en) | Threshing and cleaning device and millet combine harvester using same | |
| CN203860073U (en) | Bean thresher | |
| CN102550227A (en) | Sorting screen of combine harvester | |
| CN108633489A (en) | A kind of segmented longitudinally axial flow threshing piece-rate system | |
| CN208490283U (en) | A kind of segmented longitudinally axial flow threshing separation system | |
| CN109874510A (en) | A kind of lotus seed pod thresher | |
| CN103814708B (en) | A kind of adjustable sorting screen and there is the combine of this sorting screen | |
| RU2372153C1 (en) | Air-sieve separator | |
| CN108029350B (en) | Threshing device of full-feeding combine harvester | |
| CN103821756A (en) | Centrifugal cleaning fan of combined harvester and combined harvester with centrifugal cleaning fan | |
| US875550A (en) | Threshing-machine. | |
| CN100571502C (en) | Reaping machine grading sieve | |
| CN202385515U (en) | Threshing separating device with three horizontal threshing cylinders | |
| CN203809338U (en) | Cleaning centrifugal fan of combine harvester and combine harvester with fan | |
| KR100907501B1 (en) | The threshing drum for a thresher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20210601 |