CN103821756A - Centrifugal cleaning fan of combined harvester and combined harvester with centrifugal cleaning fan - Google Patents

Centrifugal cleaning fan of combined harvester and combined harvester with centrifugal cleaning fan Download PDF

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Publication number
CN103821756A
CN103821756A CN201410081191.9A CN201410081191A CN103821756A CN 103821756 A CN103821756 A CN 103821756A CN 201410081191 A CN201410081191 A CN 201410081191A CN 103821756 A CN103821756 A CN 103821756A
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China
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impeller
framework
crosswise
embedding
cleaning
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CN201410081191.9A
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CN103821756B (en
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顾伟
冯涛
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Xingguang Agricultural Machine Co Ltd
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Xingguang Agricultural Machine Co Ltd
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Publication of CN103821756B publication Critical patent/CN103821756B/en
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Abstract

The invention discloses a centrifugal cleaning fan of a combined harvester. The centrifugal cleaning fan comprises a welded type impeller shaft (413), a cross-shaped impeller framework (412), impeller blades (415), a speed-regulating part (414) and ball bearings (416) with housings. The invention further discloses the combined harvester with the centrifugal cleaning fan. According to the structure, flexible deformation caused by the impeller shaft is reduced, and the serious failure caused by collision between the loosened impeller shaft and a shell is avoided.

Description

The cleaning centrifugal cutter and there is the combine-harvester of this fan of a kind of combine-harvester
Technical field
The present invention relates to a kind of centrifugal cutter of cleaning of combine-harvester, relate in particular to a kind of impeller shaft that reduces and produce the combine-harvester of cleaning centrifugal cutter and comprising this fan around property distortion.
Background technique
Along with social progress and scientific and technological development, increasing machinery is applied in agricultural production, and combine-harvester is exactly one wherein.Combine-harvester can once complete cereal crops harvesting, threshing, separation cane, remove the operations such as assorted excess, directly obtain crops finished product or the semi-finished product of various correspondences from field.
In combine-harvester, conventionally utilize and clean the crop of centrifugal cutter after to threshing and carry out selection by winnowing, this cleans centrifugal fan across in combine-harvester sheller unit front side, is generally made up of impeller and helix housing.Impeller is made up of impeller shaft, skeleton, blade and axle etc. with axle sleeve again.When assembling, first by blades installation on skeleton, in the axle sleeve in impeller shaft skeleton, then tighten axial restraint bolt and prevent skeleton displacement.But such structure impeller shaft in the time of centrifugal cutter High Rotation Speed easily produces around property distortion, and after while fixing bolt is loosening, centrifugal blower can collide with body, then causes catastrophe failure.
In order to overcome above-mentioned deficiency, related domain needs one to clean centrifugal cutter, and the impeller shaft that simultaneously reduces simple in structure produces flexible deformation, and bumps after avoiding blade loosening, causes catastrophe failure.
Summary of the invention
For addressing the above problem, the present invention proposes one and cleans centrifugal cutter, and it can reduce impeller shaft and produce flexible deformation, simultaneously simple in structure, easily manufactured, durable in use.
Combine-harvester clean a centrifugal cutter, there is impeller shaft, crosswise impeller framework, impeller blade, regulating wheel combination, the roller bearing units of usheing to seat, it is characterized in that impeller shaft is made up of impeller central siphon and the embedding spindle nose that inserts these impeller central siphon two ends.
Preferably this embedding spindle nose is fixed by welding in impeller central siphon.
Preferably the material of this impeller central siphon is the pipe that diameter is not less than 40mm, and the material of embedding spindle nose is round steel.
The embedding spindle nose of preferred impeller central siphon one end is longer than the embedding spindle nose of the other end.
The degree of depth that preferably embeds spindle nose embedding impeller central siphon should be greater than 0.7 times of built-in end diameter.
Preferred described crosswise impeller framework is even numbers, and impeller blade is vertically mounted on the outer position of each side of crosswise impeller framework, and the quantity of impeller blade is the twice of impeller framework quantity, and blade is board-like material.
The center of preferred described crosswise impeller framework is provided with axis hole, crosswise impeller framework (412) is provided with from outwards outstanding reinforcement raised line of crosswise impeller framework (412) surface, the impeller central siphon of impeller shaft is through the axis hole of an even numbers impeller framework, by welding manner, this even numbers impeller framework is fixed on impeller shaft at a certain distance, on shorter embedding spindle nose, be provided with the roller bearing units of usheing to seat, on longer embedding spindle nose, be provided with usher to seat roller bearing units and speed-regulating part.
Preferred described impeller blade is connected by screw, rivets or be solder-connected in crosswise impeller framework, and described raised line is around the axis hole setting of crosswise impeller framework, and described raised line is four, and this raised line and crosswise impeller framework are that panel beating is integrally formed.
A kind of combine-harvester, it has the above-mentioned centrifugal cutter of cleaning.
The of the present invention centrifugal cutter structure of cleaning, has simplified structure, such as having reduced the use of the parts such as axle sleeve, fastening screw trip bolt.Impeller framework and impeller shaft directly can not become flexible after welding, the axle construction of special setting, and while guaranteeing High Rotation Speed, difficult generation of impeller shaft is out of shape around property; The speed-regulating part arranging, can also regulate wheel speed according to actual processing quickly and easily, guarantees manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the complete machine side schematic view of combine-harvester.
Fig. 2 is the complete machine schematic top plan view of combine-harvester.
Fig. 3 is the schematic diagram of the ceding of Taiwan.
Fig. 4 is the schematic diagram of middle feedway.
Fig. 5 is the schematic diagram of sheller unit.
Fig. 6 is the schematic diagram of grain cleaning device.
Fig. 7 is the schematic diagram of grass breaking device.
Fig. 8 is discharge mechanism schematic diagram.
Fig. 9 is traveling gear overall schematic.
Figure 10 is the centrifugal fan structural representation of cleaning of the present invention.
Figure 11 is for cleaning according to the preferred embodiment of the present invention its plan view of centrifugal fan.
Figure 12 is the schematic diagram of crosswise impeller framework according to the preferred embodiment of the present invention.
Embodiment
Referring to accompanying drawing 1,2, combine-harvester entirety can be divided into the ceding of Taiwan 1, feeding conveyer 2, installed threshing separator 3, grain cleaning machine 4, pulverizes grass arranging device 5, collect grain discharge mechanism 6, traveling gear 7 and other auxiliary device 8.
Referring to accompanying drawing 2, 3, the ceding of Taiwan 1 is for stirring paddy rice, the crops such as (little) wheat greatly, and straw bottom is cut off, make the crops of cutting off pour combine-harvester into, gathered and be delivered to inlet end, it mainly comprises header frame 11, winder 12, cutter 13, cutting table auger 14, nearside divider 15 and ceding of Taiwan transmission 16, header frame is as the body frame of the ceding of Taiwan, support the each functional part of the whole ceding of Taiwan, by left and right sidesing wall plate, ceding of Taiwan base plate, cutter beam, lower and upper cross-member composition, winder is by paddy rice, the crop such as (little) wheat is allocated to the ceding of Taiwan greatly, be convenient to cutter cuts, winder is by dialling straw, width dish, rice crop-poking wheel axis, eccentric adjustment, winder transmission shaft, antiwind cap, tensioning combination, adjustable straps wheel, winder strut composition, width dish is arranged on rice crop-poking wheel axis two ends, width dish circumference is provided with dials straw, left side is provided with antiwind cap, right side is provided with semi-disc, and winder transmission shaft is housed in winder strut, and adjustable straps wheel is equipped with on winder transmission shaft right side, the transmission of winder is by tensioning combination tensioning, cutter, for the crop straw bottoms such as paddy rice, large (little) wheat are cut off, is convenient to crop can feed, by moving knife bar, guard, pressuring blade device, cutter beam, help fortune plate to form, cutter is arranged on ceding of Taiwan front cross beam, blade is installed on moving knife bar and helps fortune plate, moving knife bar is arranged in guard, pressuring blade device is pushed down moving knife bar, guard is arranged on cutter beam, cutting table auger is used for paddy rice, the crop such as (little) wheat is gathered and is delivered to inlet end under screw feeder effect greatly, by cutting table auger axle, screw feeder door closure, screw feeder cylindrical shell, height adjustment mechanism, eccentric adjustable mechanism, the compositions such as extending means, screw feeder door closure is arranged on screw feeder cylindrical shell maintenance mount inlet, cutting table auger axle is arranged in screw feeder cylindrical shell, height adjustment mechanism is arranged on a ceding of Taiwan left side, right wallboard outside, eccentric adjustable mechanism is arranged on ceding of Taiwan right side, connect screw conveyor shaft right-hand member, extending means is arranged in screw feeder cylindrical shell, connect screw conveyor shaft, screw feeder door closure position, nearside divider is for by crop to be cut with do not cut crop and separate, by interior point of straw, divide straw and straw separating plate to form outward, an interior point straw is arranged on straw separating plate ceding of Taiwan inner side, divides straw to be arranged on straw separating plate ceding of Taiwan outside outward, ceding of Taiwan transmission is for sending power to connecting rod by passing a bridge, and connecting rod swings fork by eccentric wheel, finally drives cutter to do left and right to-and-fro motion, is made up of fork (swinging-ring mechanism), connecting rod and gap bridge etc., connecting rod upper bearing bracket position is connected with the eccentric mass on passing a bridge, and its other end forward, is connected with fork.
Winder 12 is arranged on the upper beam of header frame 11, cutter 13 is arranged on the front cross beam of header frame 11, nearside divider 15 is arranged on the front side of the left and right sidesing wall plate of header frame 11, cutting table auger 14 is arranged on the centre of header frame 11 left and right sidesing wall plates, and ceding of Taiwan transmission 16 is positioned at outside and the left rear side of header frame 11 left wallboards.
Referring to accompanying drawing 4, feeding conveyer 2 can be called again delivery chute, and for crops being delivered to the threshing separating opening of combine-harvester, it mainly comprises Conveying chains 21, drive roll 22, passive cylinder 23, delivery chute 24.Conveying chains, for by chain-driving scraper plate, cutting table auger being delivered to and carrying the crop of notch to be delivered to delivery chute and threshing frame connection part, is made up of chain, scraper plate, and scraper plate bending is arranged on delivering chain dorsad; Drive roll is by carrying driving shaft input power, and by transmission of power to Conveying chains, by carrying driving shaft, anti-tangle half cover etc. to form; Output driving shaft is through two bearing supports at delivery chute rear portion, and two anti-tangle half covers hold output driving shaft and are positioned at delivery chute two wallboard inner sides; Passive cylinder regulates by controlling mechanism, and its position in delivery chute is changed, thereby reaches the effect of tensioning Conveying chains, is made up of driven axle, passive cylindrical shell, adjusting tensioning mechanism etc.; Passive cylinder is by driven axle through passive cylindrical shell, and two side arms are installed in driven axle both sides, regulates tensioning mechanism to be arranged on delivery chute entrance point, and is fixed on delivery chute left and right sidesing wall plate inwall; Delivery chute is used for connecting the ceding of Taiwan and threshing unit, and crop is transported to threshing portion from ceding of Taiwan inlet end, and carries the whole ceding of Taiwan and self, by carrying cell body and cover plate etc. to form; Carry cell body to be formed by left and right sidesing wall plate and four critical piece seam of upper and lower bottom plate, and by two cover plates former and later two positions of base plate mounted thereto respectively.
Conveying chains 21 is arranged in delivery chute 24, and drive roll 22 is arranged on the top of delivery chute 24 left and right sidesing wall plates, and passive cylinder 23 is supported on delivery chute 24 belows by left and right side arm.
Known referring to accompanying drawing 5, installed threshing separator 3 comprises feeding cylinder 31, threshing cylinder 32, top cover 33, separating screen 34, threshing transmission case 35, threshing frame 36, feeding cylinder is sent into threshing cylinder for delivery chute is transported to the crop of coming, and is formed by cone cylinder, helical blade seam; Feeding cylinder is arranged on threshing cylinder front end near ceding of Taiwan delivery chute, and helical blade is distributed on the circumference of cone cylinder; Threshing cylinder, for feeding cylinder being carried the crop of coming make seed and stalk depart under the effect of rotation, is made up of width dish, threshing toothed bar, anti-tangle disk and drum spindle; Threshing cylinder is arranged between the forward and backward wallboard of threshing upper spider, connects feeding cylinder, and anti-tangle disk is arranged on the two ends of drum spindle, the middle width dish of installing, and width dish circumference is provided with threshing toothed bar; Top cover is used for sealing threshing cylinder, prevent from shedding, the grass guide board that is installed on top cover plays the effect of guiding crop, and crop is carried smoothly backward, play the effect that changes crop guiding speed simultaneously, formed by grass guide board, gas strut, wearing plate, lid, linkage and controlling mechanism etc.; Wearing plate is arranged on the lid portion inside left and right sides, and it is upper that grass guide board is arranged on lid portion inside top, and it is upper that controlling mechanism is arranged on the outside top of lid, and gas strut is arranged on the outside rear of lid, and linkage is arranged on lid outer left side; Separating screen, for auxiliary cylinder threshing, makes seed separate with stalk simultaneously, is made up of longitudinal grating, arc grating etc.; Longitudinally grating, the zigzag weld of arc grating are closed and are formed, and are installed on threshing cylinder below; Threshing transmission case is for transferring power, and transmission rotating speed, changes direction, in the time that crop is stopped up, can allow delivery chute reverse, and spues in time, is made up of casing, input shaft, bevel gear, linking mechanism, splined shaft, inversion axis etc.; Input shaft is arranged on the left side of casing, and inversion axis is arranged on the right side of casing, and linking mechanism is arranged on inversion axis, in the middle of bevel gear, splined shaft are arranged on.
Threshing transmission case 35 is arranged on the front of threshing frame 36; feeding cylinder 31 is connected with threshing cylinder 32; be arranged in the middle of threshing frame 36 front and back wallboards; top cover 33 is arranged on the top of feeding cylinder 31 and threshing cylinder 32; separating screen 34 is arranged on feeding cylinder 31 and threshing cylinder 32 belows, and threshing cylinder 32 axles are connected with threshing transmission case 35.In the time of work; drive 31 feedings of the crops by threshing separating opening of feeding cylinder to the threshing cylinder 32 rotating by threshing transmission case 35; threshing transmission case 35 drives threshing cylinder 32 rotations to hit seed; make seed threshing, seed or short stalk; under the cooperation of top cover 33 and separating screen 34; drop in grain cleaning by separating screen 34; realize separating of crop kernel and assorted remaining and straw; and straw is discharged to threshing frame 36; make seed and assorted remaining free fall under Action of Gravity Field, long stalk leads by the grass guide board on top cover 33 the Lysimachia sikokiana portion that pulverizes.
As shown in Figure 6, grain cleaning machine 4 mainly comprises cleans frame 46, cleaning fan 41, vibrating sieve 42, trap 43, conveying screw feeder 44, intermediate transmission 45, cleaning fan produces wind-force and makes cereal, separates more than assorted, stalk is blown out outside body, formed by spiral case, impeller, fan shaft, floating idler pulley, wind direction board etc.; Impeller is housed on fan shaft, and impeller is arranged in spiral case, and floating idler pulley is arranged on the left side of fan shaft, and wind direction board is arranged on exhaust outlet front; Used by oscillating screen is in vibrating separation by seed, more than assorted, by screen frame, sieve, wire gauze sieve, form by original text plate, eccentric shaft, sprocket wheel, eccentric mass etc.; Sieve is arranged in screen frame, is welded on screen frame front by original text plate, and wire gauze sieve is arranged on screen frame bottom, and eccentric shaft is arranged on the rear of screen frame, and sprocket wheel is arranged on the left side of eccentric shaft, and eccentric mass is arranged on sprocket wheel; The seed after cleaning is cleaned, vibrated to trap for collecting wind-force, is made up of grain sliding plate, recovery plate etc.; Grain sliding plate is arranged on the front lower place of separating screen, and recovery plate is arranged on the below of vibrating sieve; Carry screw feeder for the seed of collection being delivered to collection tanker or seed being shed to cleaning and realized secondary de-cleaning again in frame, by carrying screw feeder, rethreshing device, bevel gear box, de-screw feeder etc. forms again; Carry screw feeder to be arranged in trap, de-screw feeder is arranged in rethreshing device again, and bevel gear box is arranged on the right lateral side of carrying screw feeder; Intermediate transmission, for by the power transmission output of diesel engine output, is made up of input device, output unit, jack shaft, tension device etc.; Input device is arranged on the right side of jack shaft, and output unit is arranged on the left side of jack shaft, and tension device is arranged on the rear of output unit; Clean the whole dressing mechanism of rack support, be convenient to the maintenance of dressing mechanism, formed by upper frame, access panel etc.; In the front of upper frame inside, access panel is positioned on upper frame left and right sidesing wall plate.
From accompanying drawing 1,2,7, pulverizing grass arranging device 5 mainly comprises pulverizing frame 51, crushing rotary drum 52, pulverizes transmission 53, disperser 54, shredder is erected the effect of supporting whole pulverizing Lysimachia sikokiana and protective housing, forms by pulverizing frame, linkage, stationary knife seat etc.; Linkage is arranged on the left side of pulverizing frame, and stationary knife seat is arranged on to be pulverized in frame; Crushing rotary drum, by the rotation of self, by stalk cutting, is made up of crushing knife, drum shaft, cylindrical shell, anti-tangle circle etc.; Drum shaft is arranged in cylindrical shell, and crushing knife is arranged on cylindrical shell, and anti-tangle circle is arranged on cylindrical shell both sides; Pulverize transmission by coming from the transmission of power of cleaning part output to crushing rotary drum, formed by input device, tension device etc.; Input device is positioned at threshing frame left rear side, and tension device is positioned at front, crushing rotary drum left side; Disperser is by the crop material crushing, and diffusion orient, to specified path, is made up of diffuser plate, controlling mechanism; Controlling mechanism is arranged on to be pulverized in frame, crushing rotary drum below, and diffuser plate is arranged on pulverizing frame inner wall.
Crushing rotary drum 52 is arranged on pulverizes frame 51 left and right sidesing wall plate inner sides, and disperser 54 is arranged on the below of crushing rotary drum 52, pulverizes transmission 53 and connects crushing rotary drum 52 and power driving part.In the time of work, pulverize transmission 53 power is passed to crushing rotary drum 52, crushing rotary drum 52 is rotated, the straw of being discharged by threshing separation, grain cleaning, assorted remainder drop down onto pulverizes frame 51, be arranged on being crushed to pulverizing stationary knife seat in frame on crushing rotary drum 52 stalk is shredded, along disperser 54, stalk is scattered to field uniformly.
As shown in accompanying drawing 2,8, collection grain discharge mechanism 6 mainly comprises tanker 61, unloading screw conveyor 62, grain-unloading driving case 63, tanker is collected the seed that grain cleaning is come, horizontal screw conveyor by grain bin bottom is transported to unloading screw conveyor, is made up of tanker housing, horizontal screw conveyor, locking device, tanker swivel gear, dispersion swing mechanism etc.; Horizontal screw conveyor is arranged on tanker enclosure interior below, disperses swing mechanism to be arranged on horizontal screw conveyor top in tanker housing, and tanker swivel gear is arranged on tanker housing rear side, and locking device is arranged on tanker housing front side; Unloading screw conveyor carries the seed of coming to carry and be expelled to specified position horizontal screw conveyor in tanker, is made up of screw feeder cylindrical shell, screw feeder panoramatic head, elevator screw feeder, reverse box etc.; Elevator screw feeder is arranged in screw feeder cylindrical shell, and screw feeder panoramatic head is arranged on screw feeder cylindrical shell below, and reverse box is arranged on horizontal screw conveyor joint in screw feeder cylinder body bottom and tanker; Grain-unloading driving case to horizontal screw conveyor in tanker and unloading screw conveyor, reaches the object of unloading by the transmission of power of motor, is made up of casing, eccentric bushing, vibrating mechanism, input shaft, output shaft etc.; Input shaft is arranged in casing towards a left side, and output shaft is arranged in casing backwards, and eccentric bushing is arranged in tanker and is connected by spline housing with output shaft, and vibrating mechanism is arranged on eccentric bushing.
Grain-unloading driving case 63 is arranged on tanker 61 lower ends, front side, is connected with the horizontal screw conveyor in tanker 61, and unloading screw conveyor 62 is arranged on tanker 61 rear side lower ends, is connected with the interior horizontal screw conveyor of tanker 61.Tanker 61 stores the grain in elevator screw feeder in unloading screw conveyor 62, by grain-unloading driving case 63 by transmission of power to the horizontal screw conveyor in tanker 61, the cereal in tanker 61 is transported to unloading screw conveyor 62, and is delivered to appointed place by unloading screw conveyor 62.
As visible in accompanying drawing 2,9, other auxiliary device 8 mainly comprises protective housing 81 and illuminating system 82, wherein protective housing 81 comprises ceding of Taiwan protective housing, delivery chute case, threshing machine case, cleaner case, cylinder rear casing, unloading protection apron 816, straw outlet case etc., for operator and machine are played a protective role; Illuminating system 82 allows operator can carry out at night the normal running of combine-harvester, and indicates the width of combine-harvester machine.
Traveling gear 7 mainly comprises chassis main frame 71, walking wheel 72, power system 73, hydraulic system 74, electrical system 76, operation bench 75, walking wheel 72 is arranged on the Zhi Chongliang of chassis main frame 71, diesel engine in power system 73 is arranged on the front cross beam and middle cross beam of chassis main frame 71, gearbox in power system 73 is arranged on the supporting base of chassis main frame 71, silencing apparatus in power system 73 is arranged on the middle below of chassis main frame 71, hydraulic system 74 and operation bench 75 are arranged on chassis main frame 71 front ends, wherein chassis main frame 71, walking wheel 72 and operation bench 75 major parts are made up of Q235-A, sprocket wheel is 45 forged steel.
When combine-harvester is in running order, under Diesel Driven, by stepless speed variator, power is reached to gearbox, then reach the driving wheel of walking wheel, and under the cooperation of track roller and tugboat and rubber belt track, walk.Handle on operation bench is realized the forward-reverse left and right turn on chassis, the lifting of winder, the conversion of transmission speed ratio, the operation of work clutch, the operation such as lifting, unloading work clutch of unloading screw conveyor; Foot treadle on operation bench is braked chassis.
Referring to Figure 10-11, in a preferred embodiment, the centrifugal cutter of cleaning of the present invention, have impeller shaft 413, crosswise impeller framework 412, impeller blade 415, speed-regulating part 414, the roller bearing units 416 of usheing to seat, impeller shaft 413 is made up of the embedding spindle nose 423b at impeller central siphon 413a and these impeller central siphon 413a two ends of insertion.
As shown in Figure 12, crosswise impeller framework 412 is even numbers, the quantity of impeller blade 415 is the twice of impeller framework quantity, impeller blade 415 is vertically set on the outer position of each side of crosswise impeller framework 412, and blade is that tabular embedding spindle nose 413b is fixed by welding in impeller central siphon 413a.Crosswise impeller framework 412 center is provided with axis hole (not shown), the impeller central siphon 413a of impeller shaft 413 is through the axis hole of an even numbers impeller framework 412, by welding manner, this even numbers impeller framework is fixed on impeller shaft 413 at a certain distance, this spacing can be that equidistant setting also can right and wrong equidistantly arrange, and arranges according to real work situation.
As shown in Figure 11, the material of impeller central siphon 413a is the pipe that diameter is not less than 40mm, and the material of embedding spindle nose 413b is round steel.The embedding spindle nose of impeller central siphon 413a one end is longer than the embedding spindle nose of the other end.On shorter embedding spindle nose 423b, be provided with the roller bearing units 416 of usheing to seat, on shorter embedding spindle nose 423b, be provided with usher to seat roller bearing units 416 and speed-regulating part 414.This speed-regulating part is in order to regulate the rotating speed of impeller shaft 413, and then the wind speed of control fan.
According to other mode of executions of the present invention, embed spindle nose 423b and impeller central siphon 413a and also can be connected or adopt riveted joint with screw.Impeller blade 415 can be connected by screw, rivets or be solder-connected in crosswise impeller framework 412.
According to other mode of executions of the present invention, impeller blade 415 and the integrated cast member of crosswise impeller framework 412.
The invention still further relates to a kind of combine-harvester, it has the centrifugal cutter of cleaning as above simultaneously.
The above; it is only preferably embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with in technical scope that those skilled in the art disclose in patent of the present invention; the variation that can expect easily or replacement, within all should being encompassed in the protection domain of patent of the present invention.

Claims (9)

  1. A combine-harvester clean centrifugal cutter, there is welded-type impeller axle (413), crosswise impeller framework (412), impeller blade (415), speed-regulating part (414), the roller bearing units of usheing to seat (416), it is characterized in that impeller shaft (413) is made up of the embedding spindle nose (413b) at impeller central siphon (413a) and these impeller central siphon (413a) two ends of insertion.
  2. 2. the centrifugal cutter of cleaning as claimed in claim 1, is characterized in that this embedding spindle nose (413b) is fixed by welding in impeller central siphon (413a).
  3. 3. the centrifugal cutter of cleaning as claimed in claim 2, the material that it is characterized in that this impeller central siphon (413a) is the pipe that diameter is not less than 40mm, and the material of embedding spindle nose (413b) is round steel.
  4. 4. the centrifugal cutter of cleaning as claimed in claim 3, is characterized in that the embedding spindle nose of impeller central siphon (413a) one end is longer than the embedding spindle nose of the other end.
  5. 5. the centrifugal cutter of cleaning as claimed in claim 2, is characterized in that the degree of depth that described embedding spindle nose (413b) embeds impeller central siphon (413a) should be 0.7 to 1.2 times of built-in end diameter.
  6. 6. as described in as arbitrary in claim 1-4, clean centrifugal cutter, it is characterized in that described crosswise impeller framework (412) is for even numbers, impeller blade (415) is vertically set on the outer position of each side of crosswise impeller framework (412), the quantity of impeller blade is the twice of impeller framework quantity, and blade is tabular.
  7. 7. the centrifugal cutter of cleaning as claimed in claim 5, the center that it is characterized in that described crosswise impeller framework (412) is provided with axis hole, crosswise impeller framework (412) is provided with from outwards outstanding reinforcement raised line of crosswise impeller framework (412) surface, the impeller central siphon (413a) of impeller shaft (413) is through the axis hole of an even numbers impeller framework (412), by welding manner, this even numbers impeller framework is fixed on impeller shaft (413) at a certain distance, on shorter embedding spindle nose (413b), be provided with the roller bearing units of usheing to seat (416), on longer embedding spindle nose (413b), be provided with the roller bearing units of usheing to seat (416) and speed-regulating part (414).
  8. 8. the centrifugal cutter of cleaning as claimed in claim 6, it is characterized in that, impeller blade (415) is connected by screw, rivets or be solder-connected in crosswise impeller framework (412), described raised line is around the axis hole setting of crosswise impeller framework (412), described raised line is four, and this raised line and crosswise impeller framework (412) are that panel beating is integrally formed.
  9. 9. a combine-harvester, it has the centrifugal cutter of cleaning as described in as arbitrary in claim 1-8.
CN201410081191.9A 2014-03-06 2014-03-06 The cleaning centrifugal cutter and there is the combine-harvester of this fan of a kind of combine-harvester Expired - Fee Related CN103821756B (en)

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CN201410081191.9A CN103821756B (en) 2014-03-06 2014-03-06 The cleaning centrifugal cutter and there is the combine-harvester of this fan of a kind of combine-harvester

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CN103821756B CN103821756B (en) 2015-12-02

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105830670A (en) * 2016-01-14 2016-08-10 金华职业技术学院 Cleaning device for combine harvester
CN105830630A (en) * 2016-01-14 2016-08-10 金华职业技术学院 Cleaning and conveying device for combine harvester
WO2022142002A1 (en) * 2020-12-30 2022-07-07 江苏沃得农业机械股份有限公司 Harvester fan
WO2022141991A1 (en) * 2020-12-30 2022-07-07 江苏沃得农业机械股份有限公司 Harvester fan structure

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Publication number Priority date Publication date Assignee Title
FR2280312A1 (en) * 1974-07-29 1976-02-27 Fortschritt Veb K BLOWER CLEANING MACHINE FOR COMBINE HARVESTER
US5271713A (en) * 1992-10-05 1993-12-21 Deere & Company Adjustable inlet for a harvester fan
CN2741344Y (en) * 2004-08-14 2005-11-23 河北宣工福田重工有限公司 Cleaning and selecting device for improved combine
CN203181618U (en) * 2013-02-01 2013-09-11 奇瑞重工股份有限公司 Cleaning and selecting fan of harvester
CN203809338U (en) * 2014-03-06 2014-09-03 星光农机股份有限公司 Cleaning centrifugal fan of combine harvester and combine harvester with fan

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Publication number Priority date Publication date Assignee Title
FR2280312A1 (en) * 1974-07-29 1976-02-27 Fortschritt Veb K BLOWER CLEANING MACHINE FOR COMBINE HARVESTER
US5271713A (en) * 1992-10-05 1993-12-21 Deere & Company Adjustable inlet for a harvester fan
CN2741344Y (en) * 2004-08-14 2005-11-23 河北宣工福田重工有限公司 Cleaning and selecting device for improved combine
CN203181618U (en) * 2013-02-01 2013-09-11 奇瑞重工股份有限公司 Cleaning and selecting fan of harvester
CN203809338U (en) * 2014-03-06 2014-09-03 星光农机股份有限公司 Cleaning centrifugal fan of combine harvester and combine harvester with fan

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105830670A (en) * 2016-01-14 2016-08-10 金华职业技术学院 Cleaning device for combine harvester
CN105830630A (en) * 2016-01-14 2016-08-10 金华职业技术学院 Cleaning and conveying device for combine harvester
CN105830630B (en) * 2016-01-14 2020-09-15 金华职业技术学院 Cleaning and conveying device for combine harvester
WO2022142002A1 (en) * 2020-12-30 2022-07-07 江苏沃得农业机械股份有限公司 Harvester fan
WO2022141991A1 (en) * 2020-12-30 2022-07-07 江苏沃得农业机械股份有限公司 Harvester fan structure

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