CN105123147A - Threshing cleaning device of longitudinal-axial-flow combine harvester - Google Patents
Threshing cleaning device of longitudinal-axial-flow combine harvester Download PDFInfo
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- CN105123147A CN105123147A CN201510607324.6A CN201510607324A CN105123147A CN 105123147 A CN105123147 A CN 105123147A CN 201510607324 A CN201510607324 A CN 201510607324A CN 105123147 A CN105123147 A CN 105123147A
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Abstract
The invention discloses a threshing cleaning device of a longitudinal-axial-flow combine harvester, and belongs to the technical field of combine harvesters. The threshing cleaning device comprises a threshing separating device, a cleaning device body and a stalk chopper. The threshing separating device comprises a threshing machine body and a longitudinal-axial-flow roller driven by a power device. The longitudinal-axial-flow roller comprises a feeding-in part and a roller body part, and the roller body part sequentially comprises a threshing section, a separating section and a weed-discharging section. A feeding-in shell is fixed to the portion, corresponding to the feeding-in part, of the threshing machine body, a threshing section roller cover is arranged on the upper portion, corresponding to the threshing section, of the threshing machine body, and a threshing section concave plate is arranged on the lower portion, corresponding to the threshing section, of the threshing machine body. A separating section roller cover is arranged on the upper portion, corresponding to the separating section, of the threshing machine body, a separating section concave plate is arranged on the lower portion, corresponding to the separating section, of the threshing machine body, and the diameter of the separating section roller cover is larger than that of the threshing section roller cover. The feed quantity is large in harvesting, the function of returning stalks to the field is achieved, working efficiency is improved, kinds of crops are harvested, and the requirements for earnings of a user are met.
Description
Technical field
The invention belongs to combine technical field, particularly relate to a kind of longitudinal axial flow combine threshing cleaning unit.
Background technology
At present, under the factors such as national policy guiding, country labor force transfer drive, domestic land transformation speed is accelerated, and single block area strengthens, and wide paths for tractors in the countryside broadens, improving constantly of crops per mu yield.The requirement of user to combine operating efficiency is more and more higher.
Region, Central Plains at home, crop-planting situation is: wheat and Corn Rotation System, wheat and soybean crop rotation, wheat and paddy rice crop rotation.User generally wishes that combine substantially need not be changed or change parts less, only carries out cylinder speed governing and just not only can zoom in wheat, can also take in soybean, paddy rice, seeding corn and other crops concurrently.But main flow combine is difficult to realize above function at present, takes in concurrently reluctantly, results effect is undesirable, and main manifestations is that percentage of damage is high, entrainment loss large, operating efficiency is lower.
On the other hand, user requires more and more higher to combine rate of return on investment, and the results of simple single cropping crop can not meet the requirement of user's income.
The main flow combine in market, Central Plains is " cutting stream+transverse-axis-flow " type of single horizontal axial drum or one and half cylinders, and its threshing cylinder landscape configuration, crop enters from cylinder one end, discharges from the other end.Due to complete machine structure restriction, horizontal axial drum can not be oversize, otherwise complete machine width is too large.Such type threshing and separating power are restricted, and it is comparatively large that results wheat feed quantity breaks through 5 ㎏/s difficulty, causes machine operation efficiency not meet consumers' demand.When particularly gathering in the crops moist wheat, entrainment loss is large, and cylinder easily blocks, and machine operation efficiency is lower.Market also has double transverse-axis-flow cylinder type, but this type harvests drying during wheat, emersion object is many, and cleaning load is large, and operating efficiency is lower equally.
In addition, according to national legislation requirement, combine should join straw chopper, to realize straw-returning, and at present " transverse-axis-flow " type is joined straw chopper chopping result particularly to shred rice straw effect unsatisfactory, major defect be oversize after straw chopping, to shed breadth too narrow etc.
In addition, the full feed type combine harvester of wheels travel formula disclosed in the full feed type combine harvester of a kind of wheels travel formula disclosed in Chinese utility model patent ZL201320484653.2 and Chinese utility model patent ZL201320484703.7, its essence is a kind of single longitudinal axial flow combine, the engine arrangement of this type is in the side of single longitudinal axial flow release unit, the defect caused is when complete machine restricted width, cleaning room restricted width, clean area deficiency, cause operating efficiency lower.And this type cylinder can not realize stepless speed regulation, poor to the adaptability of crop varieties.
At present, another kind of single longitudinal axial flow combine on market, what straw chopper was extra is configured in machine afterbody, and robot vehicle body length is lengthened.And this type cannot realize changing notch board easily, poor to the adaptability of crop varieties.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of longitudinal axial flow combine threshing cleaning unit, can realize larger feed quantity results, have stem stalk also field function, increase work efficiency, realize multiple kinds of crops and take in concurrently, meet the requirement of user's income.
For solving the problems of the technologies described above, technical scheme of the present invention is: longitudinal axial flow combine threshing cleaning unit, comprise installed threshing separator and be arranged on the cleaning plant below described installed threshing separator, the stalk outlet back lower place of described installed threshing separator is provided with type shredder, described installed threshing separator comprises threshing body, the longitudinal axial flow roller driven by power set is rotatablely equipped with in described threshing body, described longitudinal axial flow roller comprises the feeding portion of frustum of a cone tubular and columnar barrel, described barrel comprises threshing section successively along the flow direction of crop, segregation section and Lysimachia sikokiana section, on described threshing body, corresponding described feeding portion is fixed with feeding housing, forms feed chamber between described feeding housing and feeding portion, on described threshing body, the top of corresponding described threshing section is provided with threshing section drum cover, and below is provided with threshing section notch board, described threshing section drum cover, forms threshing section drum chamber between threshing section notch board and threshing section, on described threshing body, the top of corresponding described segregation section is provided with segregation section drum cover, below is provided with segregation section notch board, described segregation section drum cover diameter is greater than described threshing section drum cover diameter, described segregation section drum cover, forms segregation section drum chamber between segregation section notch board and segregation section.
Improve as one, the frustum of a cone cylinder face in described feeding portion is provided with feeding blade, described feeding housing is tapered, the large end of described taper feeding housing is arranged near the Overbridge device of described combine, the small end of described taper feeding housing is arranged near described barrel, is provided with grass guide board in described feeding housing.
As further improvement; described threshing body comprises two and is oppositely arranged and the sidewall extended longitudinally and two longerons be oppositely arranged; be equipped with several longerons longitudinally arranged between each described sidewall and corresponding described longeron to support; described threshing section drum cover and segregation section drum cover are all fixedly mounted on the top of described longeron, and described threshing section notch board and segregation section notch board are installed in the bottom of described longeron.
As further improvement, adjacent two described longerons support all dismountable being provided with of upper corresponding described threshing sections and first inspect port lid for what inspect, keep in repair described longitudinal axial flow roller or described threshing section notch board; Adjacent two described longerons support all dismountable being provided with of upper corresponding described segregation sections and second inspect port lid for what inspect, keep in repair described longitudinal axial flow roller or described segregation section notch board.
As further improvement, be provided with several between described threshing section notch board and described cleaning plant for by first stock guide of cylinder emersion object to the middle guide of described cleaning plant, described first stock guide is fixedly installed in described sidewall or the first peep pole covers; Be provided with several between described segregation section notch board and described cleaning plant for by second stock guide of cylinder emersion object to the middle guide of described cleaning plant, described second stock guide is fixedly installed in described sidewall or the second peep pole covers.
Improve as one, the bottom of described stalk outlet is provided with the slide plate for the stalk of discharge being slided to described type shredder.
Improve as one, described type shredder comprises: by the movable arbor of actuator drives, and the axis of described movable arbor is transversely arranged, and described movable arbor is distributed with some moving knife; Stationary knife support, described stationary knife support is provided with some stationary knifes, and described stationary knife is arranged on the front lower place of described moving knife, and described stationary knife and moving knife are along the axial interlaced arrangement of described movable arbor; Chopper cover and shed device, it is inner that described moving knife is positioned at described chopper cover, and described chopper cover and described stationary knife support lay respectively at the both sides of described movable arbor, described in shed the upper end thereof of device in the bottom of described chopper cover; Stopping means is provided with between the described described threshing body shed above device and described type shredder.
As further improvement, the row's of being formed chaff passage between described stationary knife support and the tail sheet of described cleaning plant, described threshing body two sides of tail is provided with auxiliary row's chaff mouth respectively near the upper screen box place of described cleaning plant.
As further improvement, the two ends of described tail sheet are equipped with the antennular plate stretching into described auxiliary row's chaff mouth, and described antennular plate extends to the outside of described threshing body.
Improve as one; described power set comprise described combine engine output shaft, be located at power transmission shaft on described threshing body and for driving the drum drive case of described longitudinal axial flow roller; be in transmission connection by tape handler between described power transmission shaft and described engine output shaft, be in transmission connection by stepless speed change device between described power transmission shaft and described drum drive case.
After have employed technique scheme, the invention has the beneficial effects as follows: comprise installed threshing separator due to longitudinal axial flow combine threshing cleaning unit and be arranged on the cleaning plant below described installed threshing separator, described installed threshing separator comprises threshing body, the longitudinal axial flow roller driven by power set is rotatablely equipped with in described threshing body, thus drive longitudinal axial flow roller to obtain different drum rotation speeds by power set, realize larger feed quantity results; Because the stalk outlet back lower place of described installed threshing separator is provided with type shredder, thus there is stem stalk also field function; Because described segregation section drum cover diameter is greater than described threshing section drum cover diameter, achieve segregation section drum cover and longitudinal axial flow roller gap is greater than threshing section drum cover and longitudinal axial flow roller gap, promote separating effect, entrainment loss is little.Longitudinal axial flow combine threshing cleaning unit provided by the invention achieves larger feed quantity results, has stem stalk also field function, increases work efficiency, realize multiple kinds of crops and take in concurrently, meet the requirement of user's income.
Because the frustum of a cone cylinder face in described feeding portion is provided with feeding blade, described feeding housing is tapered, is provided with grass guide board in described feeding housing, and make feeding effective, do not block, operating efficiency is high.
Because described threshing body comprises two sidewalls and two longerons, be equipped with several longerons between each described sidewall and corresponding described longeron and support, make the structure of threshing body simple.
Because adjacent two described longerons support, upper corresponding described threshing sections are all dismountable to be provided with first and to inspect port lid, facilitates the inspecting of described longitudinal axial flow roller or described threshing section notch board, keeps in repair; Because adjacent two described longerons support, upper corresponding described segregation sections are all dismountable to be provided with second and to inspect port lid, facilitates the inspecting of described longitudinal axial flow roller or described segregation section notch board, keeps in repair.
Owing to being provided with several the first stock guides between described threshing section notch board and described cleaning plant, several second stock guides are provided with between described segregation section notch board and described cleaning plant, by the first stock guide and the second stock guide, can by the middle guide of cylinder emersion object to described cleaning plant, make emersion object uniform on cleaning plant, cleaning loss is little.
Because the bottom of described stalk outlet is provided with slide plate, the stalk of discharge is made to slide to described type shredder smoothly by slide plate.
Because described type shredder comprises by the movable arbor of actuator drives, the axis of described movable arbor is transversely arranged, described movable arbor is distributed with some moving knife, thus moving knife direction of rotation and longitudinal axial flow roller direction of rotation inconsistent, be conducive to straw chopping, straw chopping length meets stem stalk also field needs, can perfuse whole swath, can not cause became uneven; Because described type shredder also comprises chopper cover and shed device, described in shed the upper end thereof of device in the bottom of described chopper cover; Stopping means is provided with between the described described threshing body shed above device and described type shredder, when cleaning plant keeps in repair, make to shed device by stopping means and be in recovery state, shed device and together with stationary knife support, moving knife is surrounded, play safety protection function; When machine is transported, also make to shed device by stopping means and be in recovery state, fuselage is short, is convenient to transhipment; When machine operation, make to shed device by stopping means and be in the state of shedding.
Due to the row's of being formed chaff passage between described stationary knife support and the tail sheet of described cleaning plant, described threshing body two sides of tail is provided with auxiliary row's chaff mouth respectively near the upper screen box place of described cleaning plant, make cleaning loss little, seed cleannes are high.
Two ends due to described tail sheet are equipped with the antennular plate stretching into described auxiliary row's chaff mouth, and described antennular plate extends to the outside of described threshing body, when antennular plate moves with tail sheet, can play the effect preventing auxiliary row's chaff mouth from being blocked by chaff.
By stepless speed change device and drum drive case, drum drive case and stepless speed change device due to described propulsion plants design, thus ensure that installed threshing separator carries out effective threshing to various crop and is separated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the relative position schematic diagram of drum drive case and longitudinal axial flow roller;
Fig. 3 is the cutaway view of drum drive case;
Fig. 4 is the relative position schematic diagram of shift handle and pull bar;
Fig. 5 is A-A cutaway view in Fig. 1;
Fig. 6 is B-B cutaway view in Fig. 1;
Fig. 7 is C place close-up schematic view in Fig. 1;
In figure: 1, installed threshing separator, 10, stalk outlet, 11, threshing body, 111, sidewall, 112, longeron, 113, longeron supports, and 114, first inspects port lid, 115, second inspects port lid, 116, first stock guide, 117, second stock guide, 118, slide plate, 119, arcuate socket, 110, auxiliary row's chaff mouth, 12, longitudinal axial flow roller, 121, feeding portion, 1211, feeding blade, 122, barrel, 1221, threshing section, 1222, segregation section, 1223, Lysimachia sikokiana section, 1224, rasp bar block, 1225, threshing tooth, 1226, separating plate, 1227, Lysimachia sikokiana plate, 13, feeding housing, 131, grass guide board, 14, threshing section drum cover, 15, threshing section notch board, 151, fixing notch board, 152, movable notch board, 153, notch board governor motion, 1531, handle, 1532, adjustment hole, 1533, bolt, 1534, head rod, 1535, second connecting rod, 16, segregation section drum cover, 17, segregation section notch board, 2, cleaning plant, 21, blower fan, 22, screen box driving mechanism, 23, shuttle board, 24, upper screen box, 25, top sieve, 26, tail sheet, 261, antennular plate, 27, lower sieve, 28, cleaning room lower casing, 3, type shredder, 31, moving knife belt pulley, 32, movable arbor, 33, moving knife, 34, stationary knife support, 341, stationary knife support shaft, 35, stationary knife, 37, chopper cover, 38, shed device, 381, hinge axis, 39, mounting spring, 4, power set, 41, engine belt pulley, 42, power transmission shaft belt wheel, 43, drum drive case, 430, casing, 4301, jag, 431, power shaft, 4311, first input gear, 4312, second input gear, 432, jackshaft, 4321, first duplicate gear, 4322, second duplicate gear, 4323, jackshaft bevel gear, 433, output shaft, 4331, output shaft gear, 4332, output, 434, gearshift, 4341, shift fork, 4342, gearshift slide bar, 4343, pull bar, 4344, shift handle, 4345, handle, 4346, ball pivot, 435, engaging sleeve, 4351, tooth cover, 4352, toothholder, 44, driving-belt, 45, stepless speed change device, 451, infinitely variable speeds belt, 46, roller mount, 461, casing installing hole, 462, bearing block installing hole, 47, shaft coupling, 48, bearing block, 49, bearing, 491, bolt, 492, gum cover, 5, Overbridge device.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of longitudinal axial flow combine threshing cleaning unit, the cleaning plant 2 comprising installed threshing separator 1 and be arranged on below installed threshing separator 1, stalk outlet 10 back lower place of installed threshing separator 1 is provided with type shredder 3, has stem stalk also field function.
Installed threshing separator 1 comprises threshing body 11, the longitudinal axial flow roller 12 driven by power set 4 is rotatablely equipped with in threshing body 11, power set 4 comprise the engine output shaft (not shown) of combine, be located at power transmission shaft (not shown) on threshing body 11 and for driving the drum drive case 43 of longitudinal axial flow roller 12, be in transmission connection by tape handler between power transmission shaft and engine output shaft, tape handler comprises the engine belt pulley 41 be arranged on engine output shaft and the power transmission shaft belt wheel 42 be arranged on power transmission shaft, driving-belt 44 is provided with between power transmission shaft belt wheel 42 and engine belt pulley 41, be in transmission connection by stepless speed change device 45 between power transmission shaft and drum drive case 43, it is adjustable that stepless speed change device 45 can realize the infinitely variable speeds of longitudinal axial flow roller 12 rotating speed.
Stepless speed change device 45 comprises the infinitely variable speeds belt 451 be arranged on power transmission shaft, and this stepless speed change device 45 is well known to those skilled in the art, and does not repeat them here.
Engine power reaches power transmission shaft belt wheel 42 through driving-belt 44, reaches drum drive case 43 through infinitely variable speeds belt 451, and then is passed to longitudinal axial flow roller 12.
Drum drive case 43 has two gears to select, as Fig. 2 and Fig. 3 jointly shown in, drum drive case 43 comprises casing 430, power shaft 431, jackshaft 432, output shaft 433 and gearshift 434, power shaft 431, jackshaft 432 and output shaft 433 all rotate and are installed on casing 430, power shaft 431 and jackshaft 432 arranged in parallel, output shaft 433 is vertical with power shaft 431 to be arranged.
Power shaft 431 is connected with the first input gear 4311 and the second input gear 4312.
Jackshaft 432 is set with the first duplicate gear 4321 be meshed with the first input gear 4311 and the second duplicate gear 4322 be meshed with the second input gear 4312, the tooth cover 4351 of the engaging sleeve 435 driven by the shift fork 4341 of gearshift 434 is slidably fitted with between first duplicate gear 4321 and the second duplicate gear 4322, toothholder 4352 and the jackshaft 432 of engaging sleeve 435 are fixed together, concrete, first duplicate gear 4321 and the second duplicate gear 4322 include the gear wheel and pinion that link together, tooth cover 4351 slides on two pinions, first input gear 4311 and the second input gear 4312 engage with corresponding gear wheel respectively.
One end and the jackshaft 432 of output shaft 433 are in transmission connection by bevel gear pair, bevel gear pair comprises the jackshaft bevel gear 4323 being arranged on jackshaft 432 end and the output shaft gear 4331 being arranged on output shaft 433 end, the other end of output shaft 433 is the output 4332 for driving the cylinder of combine to rotate, and output 4332 stretches out casing 430.
Above-mentioned gearshift 434 also comprises gearshift slide bar 4342, gearshift slide bar 4342 to be slidably mounted on casing 430 and to link together with shift fork 4341, one end of gearshift slide bar 4342 universal hinging pull bar 4343, ball pivot 4346 can be selected, certainly, also can the Hooks coupling universal coupling selecting other types etc., can realize, not repeat them here; One end of the hinged shift handle 4344 of the other end of pull bar 4343, shift handle 4344 rotates and is installed in a fixed axis (not shown).
As shown in Figure 4, the other end of shift handle 4344 is operating side, and for the ease of operation, operating side is provided with two handles, 4345, two handles 4345 and arranges in angle, can be acute angle, right angle or obtuse angle, and preferably, two handles 4345 are vertically arranged mutually.
Above-mentioned casing 430 is positioned at output shaft 433 position and is fixedly connected with roller mount 46, and output 4332 passes roller mount 46 and is connected with shaft coupling 47, and shaft coupling 47 is fixedly connected with longitudinal axial flow roller 12.
The side of roller mount 46 is provided with casing installing hole 461, and casing 430 is provided with the jag 4301 suitable with casing installing hole 461; The opposite side of roller mount 46 is provided with bearing block installing hole 462, and bearing block installing hole 462 and casing installing hole 461 are coaxially arranged, and are provided with bearing block 48 and bearing 49 between bearing block installing hole 462 and shaft coupling 47.
Support longitudinal axial flow roller 12 rearward weight by shaft coupling 47 and bearing block 48 thereof, ensure that output shaft 433 is stressed more reasonable, namely only by longitudinal axial flow roller 12 torsion, not by longitudinal axial flow roller 12 weight shearing force, reliability is higher.
In order to block protection drive disk assembly when iso-stress is increased sharply be not damaged at machine startup, longitudinal axial flow roller 12; the width dish of above-mentioned shaft coupling 47 and longitudinal axial flow roller 12 is fixed together by securing member; be provided with flexible member between shaft coupling 47 and securing member, securing member is preferably bolt 491.
In order to reduce costs, easy disassembly, flexible member is preferably gum cover 492, certainly, flexible member those skilled in the art also can be selected to realize other there is the element of cushioning effect, do not repeat them here.
For the ease of dismounting and convenient for maintaining, output 4332 is splined shaft, and shaft coupling 47 is provided with the splined hole suitable with splined shaft.By spline transferring power, reliable operation.
Drum drive case 43 operationally, suitable gear is selected by gearshift 434, when shifting gears, shift handle 4344 is rotated around fixing point D, thus drive gearshift slide bar 4342 to move axially by pull bar 4343, and then drive shift fork 4341 to promote tooth cover 4351 conversion engagement between the first duplicate gear 4321 and the second duplicate gear 4322 of engaging sleeve 435, make gearshift 434 structure simple, reliable operation, thus output power.
One gear: shift fork 4341 promotes tooth cover 4351 to first duplicate gear 4321 places and moves, and engaging sleeve 435 is engaged with the first duplicate gear 4321; Power input is through first input gear 4311 → the first duplicate gear 4321 → engaging sleeve 435 → jackshaft 432 → jackshaft bevel gear 4323 → output shaft gear 4331 → output shaft 433 → shaft coupling 47 → longitudinal axial flow roller 12; This gear is low gear gearratio state.
Two gears: shift fork 4341 promotes tooth cover 4351 to second duplicate gear 4322 places and moves, and engaging sleeve 435 is engaged with the second duplicate gear 4322; Power input is through second input gear 4312 → the second duplicate gear 4322 → engaging sleeve 435 → jackshaft 432 → jackshaft bevel gear 4323 → output shaft gear 4331 → output shaft 433 → shaft coupling 47 → longitudinal axial flow roller 12; This gear is high gear gearratio state.
Drum drive case 43 adopts two gear engaging sleeve gear shifting structures, the power of power shaft 431 is delivered to the output 4332 of output shaft 433 by jackshaft 432, overcome in prior art the defect that the labour intensity that the cylinder mode of speed regulation of changing belt pulley or sprocket wheel causes is large, waste time and energy, gearshift speed governing can be realized easily to longitudinal axial flow roller 12, reliable operation, operates light.
Because power set 4 devise drum drive case 43 and stepless speed change device 45, thus ensure that installed threshing separator carries out effective threshing to various crop and is separated by stepless speed change device 45 and drum drive case 43, realize larger feed quantity results.
As shown in Figure 1, longitudinal axial flow roller 12 comprises feeding portion 121 and the columnar barrel 122 of frustum of a cone tubular, barrel 122 comprises threshing section 1221, segregation section 1222 and Lysimachia sikokiana section 1223 successively along the flow direction of crop, in threshing section 1221, helical arrangement has several threshing elements, and threshing element comprises rasp bar block 1224 and threshing tooth 1225; On segregation section 1222, helical arrangement has several separating plates 1226, and the installed surface of separating plate 1226 and the angle of barrel 122 axis are acute angle; In Lysimachia sikokiana section 1223, annular array has several Lysimachia sikokiana plates 1227.
On threshing body 11, corresponding feeding portion 121 is fixed with feeding housing 13, forms feed chamber between feeding housing 13 and feeding portion 121.
As shown in Figure 5; on threshing body 11, the top of corresponding threshing section 1221 is provided with threshing section drum cover 14; below is provided with threshing section notch board 15; threshing section drum cover 14, between threshing section notch board 15 and threshing section 1221, form threshing section drum chamber; threshing section notch board 15 comprises fixing notch board 151 and movable notch board 152; the lower end of movable notch board 152 is articulated with on threshing body 11, and the upper end of movable notch board 152 connects notch board governor motion 153.
Notch board governor motion 153 comprises handle 1531, handle 1531 is provided with chute, threshing body 11 is provided with some adjustment holes 1532, the securing member suitable with adjustment hole 1532 is provided with between handle 1531 and threshing body 11, securing member is preferably bolt 1533, and securing member constraint is installed in chute, the hinged head rod 1534 in one end of handle 1531, the hinged movable notch board 152 of hinged second connecting rod 1535, second connecting rod 1535 of head rod 1534; Regulating handle 1531, makes movable notch board 152 rotate by head rod 1534 and the second connecting rod 1535, the adjustment of realization activity notch board 152 and longitudinal axial flow roller 12 gap H.
As shown in Figure 6; on threshing body 11, the top of corresponding segregation section 1222 is provided with segregation section drum cover 16; below is provided with segregation section notch board 17; segregation section drum cover 16 diameter is greater than threshing section drum cover 14 diameter, segregation section drum cover 16, forms segregation section drum chamber between segregation section notch board 17 and segregation section 1222.Because segregation section drum cover 16 diameter is greater than threshing section drum cover 14 diameter, achieve segregation section drum cover 16 and be greater than threshing section drum cover 14 and longitudinal axial flow roller 12 gap with longitudinal axial flow roller 12 gap, promote separating effect, entrainment loss is little.
The frustum of a cone cylinder face in feeding portion 121 is provided with feeding blade 1211, preferably, feeding blade 1211 has two, feeding housing 13 is tapered, and the large end of taper feeding housing is arranged near the Overbridge device 5 of combine, and the small end of taper feeding housing is arranged near barrel 122, grass guide board 131 is provided with in feeding housing 13, make feeding effective, do not block, operating efficiency is high.
Above-mentioned Overbridge device 5 is known technology, is well known to those skilled in the art, does not repeat them here.
In order to make threshing body 11 structure simple; threshing body 11 comprises two and is oppositely arranged and the sidewall 111 extended longitudinally and two longerons be oppositely arranged 112; be equipped with several longerons longitudinally arranged between each sidewall 111 and corresponding longeron 112 and support 113; threshing section drum cover 14 and segregation section drum cover 16 are all fixedly mounted on the top of longeron 112, and threshing section notch board 15 and segregation section notch board 17 are installed in the bottom of longeron 112.
Adjacent two longerons support that corresponding threshing section 1221 on 113 is all dismountable to be provided with first and to inspect port lid 114, facilitate the inspecting of longitudinal axial flow roller 12 or threshing section notch board 15, keep in repair; Adjacent two longerons support that corresponding segregation section 1222 on 113 is all dismountable to be provided with second and to inspect port lid 115, facilitate the inspecting of longitudinal axial flow roller 12 or segregation section notch board 17, keep in repair.
In order to make emersion object uniform on cleaning plant 2, reduce cleaning loss, being provided with several between threshing section notch board 15 and cleaning plant 2 inspects on port lid 114 for cylinder emersion object is fixedly installed in sidewall 111 or the first to the first stock guide 116, first stock guide 116 of the middle guide of cleaning plant 2; Be provided with several between segregation section notch board 17 and cleaning plant 2 to inspect on port lid 115 for cylinder emersion object is fixedly installed in sidewall 111 or the second to the second stock guide 117, second stock guide 117 of the middle guide of cleaning plant 2.
In order to make the stalk of discharge slide to type shredder 3 smoothly, the bottom of stalk outlet 10 is provided with slide plate 118.
As Fig. 1 and Fig. 7 jointly shown in, type shredder 3 comprises the movable arbor 32 by actuator drives, and the axis of movable arbor 32 is transversely arranged, and movable arbor 32 is distributed with some moving knife 33; Moving knife 33 direction of rotation and longitudinal axial flow roller 12 direction of rotation inconsistent, be conducive to straw chopping, straw chopping length meets stem stalk also field needs, can perfuse whole swath, can not cause became uneven.
Type shredder 3 also comprises stationary knife support 34, and stationary knife support 34 is provided with some stationary knifes 35, and stationary knife 35 is arranged on the front lower place of moving knife 33, and stationary knife 35 and the axial interlaced arrangement of moving knife 33 along movable arbor 32.
Above-mentioned transmission device comprises the belt gear be arranged between power transmission shaft and movable arbor 32, belt gear comprises the moving knife belt pulley 31 be arranged on movable arbor 32 and the belt pulley (for illustrating in figure) be arranged on power transmission shaft, belt (not marking in figure) is surrounded with, the dismountable end being arranged on movable arbor 32 of moving knife belt pulley 31 between moving knife belt pulley 31 and belt pulley.Moving knife belt pulley 31 has multiple diameter to select, and can realize the various rotating speed of the moving knife 33 of straw chopper 3, is applicable to straw chopping at a high speed.Certainly, in order to realize the various rotating speed of the moving knife 33 of type shredder 3, alternatively, the moving knife belt pulley 31 of multiple different-diameter also directly can be installed in the end of movable arbor 32.
When the transmission of power of engine is to power transmission shaft, reaching movable arbor 32 by belt, because power carrys out drive shaft, is not transmit from drum shaft, and the rotating speed of type shredder 3 is not by the impact of drum rotation speed adjustment, and chopping result is good, does not affect and cultivates in next season.
The upper end of stationary knife support 34 is articulated with by stationary knife support shaft 341 on the threshing body 11 at stalk outlet 10 place, securing member is provided with between the bottom of stationary knife support 34 and threshing body 11, securing member is preferably screw bolt and nut, threshing body 11 is provided with arcuate socket 119, securing member constraint is installed in arcuate socket 119, the setting angle of stationary knife support 34 can be adjusted by securing member and arcuate socket 119, thus adjustment stationary knife 35 and moving knife 33 lap diametrically, can be on the occasion of, also can be negative value, also can be zero, in the present embodiment, define on the occasion of being stationary knife 35 and moving knife 33 overlap, when user's harvest operation do not wish stem stalk also field time, straw chopper 3 slow-speed of revolution can be used, stationary knife 35 and moving knife 33 lap are adjusted to negative value simultaneously, now stem stalk is not shredded, discharge under the strike effect of moving knife 33 smoothly, moving knife 33 serves the effect of grass-removing wheel, does not need heavy straw chopper 3 entirety to pull down like this, also there is not the danger that driven knife 33 hurts simultaneously.
Meanwhile, do not shred only arrange straw operating mode time, stationary knife support 34 and stationary knife 35 can also be pulled down, accelerate row straw, improve operating efficiency.
Type shredder 3 also comprises chopper cover 37 and sheds device 38, it is inner that moving knife 33 is positioned at chopper cover 37, and chopper cover 37 and stationary knife support 34 lay respectively at the both sides of movable arbor 32, the upper end of shedding device 38 is articulated with the bottom of chopper cover 37 by hinge axis 381; Shed between the threshing body 11 above device 38 and type shredder 3 and be provided with stopping means, stopping means is preferably mounting spring 39, makes limit device structure simple, certainly, and other forms that stopping means can also adopt those skilled in the art to realize; When the cleaning plant 2 of combine keeps in repair, make to shed device 38 by stopping means and be in recovery state, shed device 38 and together with stationary knife support 34, moving knife 33 is surrounded, play safety protection function; When machine is transported, also make to shed device 38 by stopping means and be in recovery state, fuselage is short, is convenient to transhipment; When machine operation, make to shed device 38 by stopping means and be in the state of shedding.
Above-mentioned cleaning plant 2 comprises blower fan 21, screen box driving mechanism 22, the upper screen box 24 that is arranged on the shuttle board 23 below threshing section notch board 15 and is arranged on below segregation section notch board 17, dismountable in upper screen box 24 top sieve 25 is installed, the afterbody of top sieve 25 is provided with tail sheet 26, the bottom of top sieve 25 is provided with lower sieve 27, and the bottom of lower sieve 27 is provided with cleaning room lower casing 28.Wherein, screen box driving mechanism 22 is known technology, is well known to those skilled in the art, does not repeat them here.
In order to make cleaning loss little, seed cleannes are high, the row's of being formed chaff passage between the tail sheet 26 of stationary knife support 34 and cleaning plant 2, and threshing body 11 two sides of tail is respectively equipped with auxiliary row's chaff mouth 110 near upper screen box 24 place of cleaning plant 2.
In order to prevent auxiliary row's chaff mouth 110 from being blocked by chaff, the two ends of tail sheet 26 are equipped with the antennular plate 261 stretching into auxiliary row's chaff mouth 110, and antennular plate 261 extends to the outside of threshing body 11, and antennular plate 261 can move with tail sheet 26.
Operationally, crop under cutting enters the feeding housing 13 of installed threshing separator 1 through the Overbridge device 5 of the ceding of Taiwan system of combine, through the threshing centrifugation of longitudinal axial flow roller 12 with threshing section drum cover 14, threshing section notch board 15, segregation section drum cover 16 and segregation section notch board 17, long stalk is in line to type shredder 3 through stalk outlet 10, realizes straw chopping also field; Emersion object enters cleaning plant 2 through threshing section notch board 15 and segregation section notch board 17.
The longitudinal axial flow combine threshing cleaning unit that the embodiment of the present invention provides achieves larger feed quantity results, has stem stalk also field function, increases work efficiency, realize multiple kinds of crops and take in concurrently, meet the requirement of user's income.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. longitudinal axial flow combine threshing cleaning unit, comprise installed threshing separator and be arranged on the cleaning plant below described installed threshing separator, the stalk outlet back lower place of described installed threshing separator is provided with type shredder, it is characterized in that, described installed threshing separator comprises threshing body, the longitudinal axial flow roller driven by power set is rotatablely equipped with in described threshing body, described longitudinal axial flow roller comprises the feeding portion of frustum of a cone tubular and columnar barrel, and described barrel comprises threshing section, segregation section and Lysimachia sikokiana section successively along the flow direction of crop;
On described threshing body, corresponding described feeding portion is fixed with feeding housing, forms feed chamber between described feeding housing and feeding portion;
On described threshing body, the top of corresponding described threshing section is provided with threshing section drum cover, and below is provided with threshing section notch board, described threshing section drum cover, forms threshing section drum chamber between threshing section notch board and threshing section;
On described threshing body, the top of corresponding described segregation section is provided with segregation section drum cover; below is provided with segregation section notch board; described segregation section drum cover diameter is greater than described threshing section drum cover diameter, described segregation section drum cover, forms segregation section drum chamber between segregation section notch board and segregation section.
2. longitudinal axial flow combine threshing cleaning unit according to claim 1, it is characterized in that, the frustum of a cone cylinder face in described feeding portion is provided with feeding blade, described feeding housing is tapered, the large end of described taper feeding housing is arranged near the Overbridge device of described combine, the small end of described taper feeding housing is arranged near described barrel, is provided with grass guide board in described feeding housing.
3. longitudinal axial flow combine threshing cleaning unit according to claim 2; it is characterized in that; described threshing body comprises two and is oppositely arranged and the sidewall extended longitudinally and two longerons be oppositely arranged; be equipped with several longerons longitudinally arranged between each described sidewall and corresponding described longeron to support; described threshing section drum cover and segregation section drum cover are all fixedly mounted on the top of described longeron, and described threshing section notch board and segregation section notch board are installed in the bottom of described longeron.
4. longitudinal axial flow combine threshing cleaning unit according to claim 3, it is characterized in that, adjacent two described longerons support all dismountable being provided with of upper corresponding described threshing sections and first inspect port lid for what inspect, keep in repair described longitudinal axial flow roller or described threshing section notch board; Adjacent two described longerons support all dismountable being provided with of upper corresponding described segregation sections and second inspect port lid for what inspect, keep in repair described longitudinal axial flow roller or described segregation section notch board.
5. longitudinal axial flow combine threshing cleaning unit according to claim 4, it is characterized in that, be provided with several between described threshing section notch board and described cleaning plant for by first stock guide of cylinder emersion object to the middle guide of described cleaning plant, described first stock guide is fixedly installed in described sidewall or the first peep pole covers; Be provided with several between described segregation section notch board and described cleaning plant for by second stock guide of cylinder emersion object to the middle guide of described cleaning plant, described second stock guide is fixedly installed in described sidewall or the second peep pole covers.
6. longitudinal axial flow combine threshing cleaning unit according to claim 1, is characterized in that, the bottom of described stalk outlet is provided with the slide plate for the stalk of discharge being slided to described type shredder.
7. longitudinal axial flow combine threshing cleaning unit according to claim 1, it is characterized in that, described type shredder comprises:
By the movable arbor of actuator drives, the axis of described movable arbor is transversely arranged, and described movable arbor is distributed with some moving knife;
Stationary knife support, described stationary knife support is provided with some stationary knifes, and described stationary knife is arranged on the front lower place of described moving knife, and described stationary knife and moving knife are along the axial interlaced arrangement of described movable arbor;
Chopper cover and shed device, it is inner that described moving knife is positioned at described chopper cover, and described chopper cover and described stationary knife support lay respectively at the both sides of described movable arbor, described in shed the upper end thereof of device in the bottom of described chopper cover; Stopping means is provided with between the described described threshing body shed above device and described type shredder.
8. longitudinal axial flow combine threshing cleaning unit according to claim 7; it is characterized in that; the row's of being formed chaff passage between described stationary knife support and the tail sheet of described cleaning plant, described threshing body two sides of tail is provided with auxiliary row's chaff mouth respectively near the upper screen box place of described cleaning plant.
9. longitudinal axial flow combine threshing cleaning unit according to claim 8, is characterized in that, the two ends of described tail sheet are equipped with the antennular plate stretching into described auxiliary row's chaff mouth, and described antennular plate extends to the outside of described threshing body.
10. according to the longitudinal axial flow combine threshing cleaning unit in claim 1-9 described in any one claim; it is characterized in that; described power set comprise described combine engine output shaft, be located at power transmission shaft on described threshing body and for driving the drum drive case of described longitudinal axial flow roller; be in transmission connection by tape handler between described power transmission shaft and described engine output shaft, be in transmission connection by stepless speed change device between described power transmission shaft and described drum drive case.
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| CN105432257A (en) * | 2015-12-25 | 2016-03-30 | 爱科大丰(兖州)农业机械有限公司 | Transverse axial flow threshing and separating device |
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| CN107535179A (en) * | 2016-06-27 | 2018-01-05 | 株式会社久保田 | United reaper |
| CN107535179B (en) * | 2016-06-27 | 2022-04-08 | 株式会社久保田 | Combine harvester |
| CN107873263A (en) * | 2017-12-18 | 2018-04-06 | 佳木斯常发佳联农业装备有限公司 | The control system and method for harvester adjustable blower fan and threshing cylinder |
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| CN108633489A (en) * | 2018-06-01 | 2018-10-12 | 山东理工大学 | A kind of segmented longitudinally axial flow threshing piece-rate system |
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| CN110892819A (en) * | 2018-12-27 | 2020-03-20 | 江苏大学 | Multi-layer segmentation-stubble-remaining cutting knife device for first-season ratoon rice, control method and combine harvester for first-season ratoon rice |
| CN110073821A (en) * | 2019-04-19 | 2019-08-02 | 华中农业大学 | Cut de- combined type longitudinally axial flow threshing and separating installation |
| CN111165188A (en) * | 2019-11-06 | 2020-05-19 | 江苏大学 | High-flux threshing and cleaning device of ratoon rice combine harvester |
| CN111066466A (en) * | 2019-12-24 | 2020-04-28 | 江苏大学 | Combine harvester with self-adaptive adjustment of working load and control method thereof |
| CN114175913A (en) * | 2021-12-31 | 2022-03-15 | 湖南省农友农业装备股份有限公司 | Combine harvester |
| CN114175913B (en) * | 2021-12-31 | 2023-03-07 | 湖南省农友农业装备股份有限公司 | Combine harvester |
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