CN102918987B - Threshing cylinder component and straw cutting component combining device for rice and wheat harvester - Google Patents
Threshing cylinder component and straw cutting component combining device for rice and wheat harvester Download PDFInfo
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- CN102918987B CN102918987B CN201210424825.7A CN201210424825A CN102918987B CN 102918987 B CN102918987 B CN 102918987B CN 201210424825 A CN201210424825 A CN 201210424825A CN 102918987 B CN102918987 B CN 102918987B
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Abstract
A threshing cylinder component and straw cutting component combining device for a rice and wheat harvester relates to the field of a threshing and straw cutting combining device. A belt wheel is used for driving a main tank transmission shaft, so that a main bevel gear is used for driving a spline transmission shaft through an auxiliary bevel gear to further drive a main shaft to rotate in a front bearing and a rear bearing; helical blades are arranged on a conical cylinder; the front part of the conical cylinder is welded on a flange, and the back part of the conical cylinder is welded on a front web plate; the front web plate, a middle web plate and a back web plate, which are arranged on the main shaft, are connected and hasped through toothed bar web plates and form a threshing cylinder with a dense threshing toothed bar and a sparse threshing toothed bar which are respectively provided with dense threshing movable teeth, dense threshing fixing teeth, sparse threshing movable teeth and sparse threshing fixing teeth; and a power output chain wheel at the back end of the main shaft is used for driving a power input chain wheel to rotate through a main tension sprocket, a transition sprocket and an auxiliary tension sprocket, so that a power frame bearing pedestal drives movable cutters on a right web plate and a left web plate to cut hays in fixing cutters. The threshing cylinder component and straw cutting component combining device for the rice and wheat harvester has the advantages of compact structure, reliable running and good threshing effect.
Description
Technical field
Harvester for both rice and wheat of the present invention relates to the threshing using on harvester for both rice and wheat and the combination unit field of cutting straw with threshing cylinder assembly and chaffcutter assembly combination unit.
Background technology
The threshing cylinder assembly in the past using on harvester for both rice and wheat is generally without the assembly that cuts straw, only carry out rice-wheat threshing, straw after threshing is abandoned in the fields, separately by artificially collecting processing, for the straw after threshing is cut, then, throw again in field, allow it become the fertilizer in field, obviously this is very economical one harvesting mode, therefore just need to design a kind of combination unit that threshing cylinder assembly and chaffcutter assembly are combined into one for harvester for both rice and wheat.
Summary of the invention
The harvester for both rice and wheat that object of the present invention provides is combined by threshing cylinder assembly and chaffcutter assembly with threshing cylinder assembly and chaffcutter assembly combination unit, throws the object in field to reach after the straw after threshing or wheat straw are shredded again.
Threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat, be made up of power input device, threshing cylinder assembly and the chaffcutter assembly of drive shaft, and the power input device structure of drive shaft is as follows:
Tensioning wheel assembly is connected with belt pulley by tightening belt, belt pulley is arranged on the main box power transmission shaft one end in gear-box main box, the master bevel gear that is arranged on the main box power transmission shaft other end is meshed with the secondary bevel gear that is arranged on spline shaft front end, the spline axle head of spline shaft is inserted in fore bearing inner sleeve, fore bearing inner sleeve and front-end of spindle are axially integrally welded, fore bearing inner sleeve is arranged in fore bearing inner ring, the fore bearing overcoat of anti-tangle plate inner ring and fore bearing outer ring welds together, the connecting plate outer end being arranged on outside fore bearing inner sleeve is connected with flange inner side, flange outside is connected with anti-tangle plate outer end,
Threshing cylinder modular construction is as follows:
Cone cylinder front end is connected with flange, and cone tube rear end is connected with front former, and helical blade is welded on cone cylinder; Front former, middle former and their inner ring of rear former respectively install respectively and are welded on main shaft front portion, middle part and rear portion, it is integrally welded that their limit, outer ring of front former, middle former and rear former is connected close threshing toothed bar and their front end of thin threshing toothed bar, middle part and the rear portion of hasp and alternate configuration by ratch former respectively, on close threshing toothed bar, be provided with that the close moving tooth of threshing and threshing are close determines tooth, threshing is installed on threshing toothed bar dredges moving tooth and threshing and dredge and determine tooth dredging;
Chaffcutter modular construction is as follows:
Be arranged on the power output sprocket of rear-end of spindle by main chain and main tightener sprocket, the minor sprocket of transition sprocket wheel is connected, the hinge wheel of transition sprocket wheel is by secondary chain and secondary tightener sprocket, power input sprocket is connected, one end of the transition sprocket shaft installing in transition sprocket shaft bearing inner ring in transition sprocket wheel is arranged on after grain header upper box in plate, being arranged on power input sprocket left end outside the main shaft sleeve on main shaft links together by right width dish mounting screw and right width dish the inner and power rack bearing block right side, power rack bearing block passes on left left width dish mounting screw and left width dish the inner and oil sealing pressing plate and links together, left in power rack bearing block, in the movable knife rack bearing inner race of right both sides, be coated with main shaft, right side oil sealing is arranged between the movable knife rack bearing and power input sprocket left end on right side, left side oil sealing is arranged between the movable knife rack bearing and oil sealing pressing plate in left side, the lower end that is welded on respectively the moving knife connecting plate of moving knife installing rack arranged on left and right sides is connected with left width dish outer end, right width dish outer end respectively by moving knife connecting plate width dish attachment screw, the upper end of the moving knife connecting plate of arranged on left and right sides is connected with moving knife lower end by moving knife connecting plate moving knife attachment screw, stationary knife is arranged on the right liner plate of stationary knife by stationary knife screw, and the right liner plate of stationary knife upper end is arranged on grain header upper box right plate by the right Lining Screw of stationary knife.
This harvester for both rice and wheat is described as follows with the operation logic of threshing cylinder assembly and chaffcutter assembly combination unit:
The ceding of Taiwan of harvester for both rice and wheat the rice wheat straw bar in field is cut off after in delivery chute is transported to the helical-blade film trap of cone cylinder, threshing tooth threshing on threshing toothed bar on threshing cylinder, the straw after threshing enters into chaffcutter assembly, between moving knife and stationary knife, be cut into the broken grass of 2～5 centimeters long, the broken grass that is thrown into Tanaka can be made Fertilizer application.
Harvester for both rice and wheat shares a main shaft with threshing cylinder assembly and chaffcutter assembly, but the power that main shaft rotates by the moving close threshing toothed bar of front former, middle former and back panel strip and thin threshing toothed bar is by belt pulley, main box power transmission shaft, after master bevel gear, secondary bevel gear drive spline shaft to rotate, pass to again the fore bearing inner sleeve being connected with main shaft, main shaft is rotated; And the power that moving knife rotates through movable knife rack bearing by moving knife connecting plate, moving knife installing rack, right width dish, left width dish, movable knife rack bearing block on main shaft is to be flowed to after power output sprocket by main shaft, through main chain, main tightener sprocket, transition sprocket wheel, drive power rack bearing block to rotate after secondary chain, secondary tightener sprocket and power input sprocket again to obtain.
The structure of threshing cylinder main shaft power input unit further illustrates as follows:
Belt on regulating wheel and belt pulley on tensioning wheel assembly is by the tensioned on tensioning wheel assembly, the belt pulley rotating is connected with main box power transmission shaft one end by key, the master bevel gear that the other end of the main box power transmission shaft rotating in the main box bearing at gear-box main box two ends is installed is meshed with the secondary bevel gear that is arranged on spline shaft left end, secondary bevel gear drives spline shaft to rotate in bearing, the splined shaft of spline shaft right-hand member inserts and is connected in fore bearing inner sleeve, make to be enclosed within fore bearing inner ring and to rotate in fore bearing, add back-up ring outward in the fore bearing inner sleeve in fore bearing left side and keeping off fore bearing, because fore bearing inner sleeve right-hand member and main shaft left end shaft are to welding together, fore bearing inner sleeve drives main shaft to rotate in fore bearing and rear bearing inner ring, the fore bearing overcoat and the anti-tangle plate inner ring that are arranged on outside fore bearing weld together, and the connecting plate outer ring being arranged on outside fore bearing inner sleeve is connected with flange inner side, and flange outside is connected with anti-tangle plate outer ring, and anti-tangle plate can prevent that straw is wrapped in fore bearing and puts outward.
The structure of threshing cylinder assembly further illustrates as follows:
Cone cylinder is circular cone shape, and cone cylinder point diameter is less than cone tube rear end diameter, and cone cylinder front end is connected with flange, and cone tube rear end is arranged on front former by bolt, has two helical blades to be axially welded on cone cylinder upper, forms straw helical duct, be the front former of disc, middle former and their inner ring of rear former respectively install respectively the front portion that is welded on main shaft, middle part and rear portion, at front former, on the outer ring of middle former and rear former, be connected respectively the close threshing toothed bar of hasp and alternate configuration by ratch former, dredge their front end of threshing toothed bar, middle part and rear end are integrally welded, between front end between front end on close threshing toothed bar and middle part and on thin threshing toothed bar and middle part, be separately installed with the thin moving tooth of the close moving tooth of the closeer threshing of distribution and the thinner threshing that distributes, on the close moving tooth of these threshings and the thin moving tooth of threshing, the close moving tooth of the adjustable threshing of pad is housed, the gap between the concave grate of moving tooth they and grain header is dredged in threshing, to improve the effect of cleaning of rice wheat seed, between middle part on close threshing toothed bar and rear end and dredging, between the middle part of threshing toothed bar and rear end, be welded with respectively that the closeer threshing of distribution is close determine tooth and the thinner threshing that distributes is thin determines tooth, many close threshing toothed bars are dredged the alternate configuration of the radians such as threshing toothed bar and are connected with ratch former respectively the hasp connection that is weldingly connected with Duo Gen, and corresponding ratch former connect hasp respectively with front former, middle former is connected and is linked together by bolt with their limit, outer ring of rear former, finally, making many close threshing toothed bars and Duo Gen dredge threshing toothed bar waits radian to be respectively connected hasp and front former by ratch former each other, middle former and rear former are connected, form threshing cylinder, and threshing cylinder forms threshing cylinder assembly together with being welded with the cone cylinder of helical blade.
The structure of chaffcutter assembly further illustrates as follows:
Make power output sprocket by main chain, main tightener sprocket and transition sprocket wheel three are connected together, make transition sprocket wheel by secondary chain, secondary tightener sprocket and power input sprocket three are connected together, transition sprocket wheel is duplicate sprocket, the external diameter of power output sprocket is greater than the minor sprocket external diameter of transition sprocket wheel, and the hinge wheel external diameter of transition sprocket wheel is greater than the external diameter of power input sprocket, therefore, the rotating speed of transition sprocket wheel is 1.5 times to 1.75 times of rotating speed of power output sprocket, and the rotating speed of power input sprocket is 1.5 times to 1.75 times of rotating speed of transition sprocket wheel, 2.25 times to 3.065 times of the rotating speed that rotating speed of power input sprocket is power output sprocket.One end of the transition sprocket shaft installing in transition sprocket shaft bearing inner ring in transition sprocket wheel is arranged on after the upper box of grain header in plate, rear-end of spindle is arranged in rear bearing, rear bearing is the bearing with mount pad, rear bearing mount pad is arranged on after the upper box of grain header on plate angle steel, power output sprocket is arranged on rear-end of spindle by spindle screw, be that power output sprocket is positioned at rear bearing rear end, and power input sprocket is positioned at rear bearing front end, be sleeved on main shaft by main shaft sleeve, power input sprocket is the right width dish the inner with circle by some right width dish mounting screws, power rack bearing block right side links together, the movable knife rack bearing that the left and right sides is provided with in movable knife rack bearing block is deep groove ball bearing, in movable knife rack bearing inner race, be coated with main shaft, right side oil sealing is arranged between the movable knife rack bearing and power input sprocket left end on right side, left side oil sealing is arranged between the movable knife rack bearing and oil sealing pressing plate in left side, the oil sealing pressing plate of outer end is the left width dish the inner with circle by left width dish mounting screw, movable knife rack bearing block left side links together, moving knife connecting plate is welded on respectively the moving knife installing rack arranged on left and right sides of tubulose, the lower end of moving knife connecting plate is connected with left width dish outer end, right width dish outer end by moving knife connecting plate width dish attachment screw, the upper end of moving knife connecting plate is connected with moving knife lower end respectively by moving knife connecting plate moving knife attachment screw, on left width dish and right width dish, four moving knife connecting plates are respectively housed, a moving knife is equipped with in every moving knife connecting plate outer end, two stationary knifes are all identical U-shaped groove shape, every stationary knife are arranged on the right liner plate of stationary knife by stationary knife screw, and the upper end of the right liner plate of stationary knife is arranged on the upper box right plate of grain header by stationary knife Lining Screw after by bending.
This harvester for both rice and wheat is due to the close moving tooth of threshing, the thin moving tooth of threshing being housed by threshing cylinder assembly and chaffcutter assembly combination unit advantage, improve vibratory sieve and cleaned effect, due to hay cutter being installed, can will after straw chopping, throw Tanaka whole apparatus structure compactness, reliable.
Brief description of the drawings
Fig. 1: threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat.
Fig. 2: for A-A in Fig. 1 is to schematic diagram.
Fig. 3: for removing a threshing cylinder left side after power input mechanism II, fore bearing 2, anti-tangle plate 3 and flange 4 in Fig. 1 depending on showing view.
Fig. 4: be hay cutter I broken section enlarged diagram in Fig. 1.
Fig. 5: for arrow B in Fig. 1 is to hay cutter I enlarged diagram.
Fig. 6: for arrow C in Fig. 5 is to chaffcutter assembly power input schematic diagram, in Fig. 6, arrow represents that power output sprocket 26 turns to.
Fig. 7: be the amplification cross-sectional schematic of the power input device II to main shaft 11 and helical blade 5, cone cylinder 6 in Fig. 1.
Embodiment
Referring to Fig. 1 and relevant drawings, threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat, be made up of power input device, threshing cylinder assembly and the chaffcutter assembly of main shaft 11, and the power input device structure of drive shaft 11 is as follows:
Tensioning wheel assembly 58 is connected with belt pulley 59 by tightening belt, belt pulley 59 is arranged on main box power transmission shaft 57 one end in gear-box main box 56, the master bevel gear 55 that is arranged on main box power transmission shaft 57 other ends is meshed with the secondary bevel gear 54 that is arranged on spline shaft 53 front ends, the spline axle head of spline shaft 53 is inserted in fore bearing inner sleeve 60, fore bearing inner sleeve 60 is axially integrally welded with main shaft 11 front ends, fore bearing inner sleeve 60 is arranged in fore bearing 2 inner rings, the fore bearing overcoat 61 of anti-tangle plate 3 inner rings and fore bearing 2 outer rings welds together, connecting plate 62 outer ends that are arranged on outside fore bearing inner sleeve 60 are connected with flange 4 inner sides, flange 4 outsides are connected with anti-tangle plate 3 outer ends,
Threshing cylinder modular construction is as follows:
Cone cylinder 6 front ends are connected with flange 4, and cone cylinder 6 rear ends are connected with front former 10, and helical blade 5 is welded on cone cylinder 6; Their inner ring of front former 10, middle former 41 and rear former 16 respectively installs respectively and is welded on main shaft 11 front portions, middle part and rear portion, it is integrally welded that their limit, outer ring of front former 10, middle former 41 and rear former 16 is connected the close threshing toothed bar 12 of hasp 14 and alternate configuration and thin threshing toothed bar 36 their front end, middle part and rear portion by ratch former respectively, on close threshing toothed bar 12, be provided with that the close moving tooth 37 of threshing and threshing are close determines tooth 13, threshing be installed on thin threshing toothed bar 36 and dredge moving tooth 40 and threshing and dredge and determine tooth 39;
Chaffcutter modular construction is as follows:
Be arranged on the power output sprocket 26 of main shaft 11 rear ends by main chain 47 and main tightener sprocket 48, the minor sprocket of transition sprocket wheel 49 is connected, the hinge wheel of transition sprocket wheel 49 is by secondary chain 50 and secondary tightener sprocket 51, power input sprocket 24 is connected, one end of the transition sprocket shaft 64 installing in transition sprocket shaft bearing 65 inner rings in transition sprocket wheel 49 is arranged on after grain header upper box in plate 29, being arranged on power input sprocket 24 left ends outside the main shaft sleeve 30 on main shaft 11 links together by right width dish mounting screw and right width dish 23 the inners and power rack bearing block 31 right sides, power rack bearing block 31 passes on left left width dish mounting screw 35 and links together with left width dish 63 the inners and oil sealing pressing plate 34, on the interior left side of power rack bearing block 31, in movable knife rack bearing 32 inner rings of right both sides, be coated with main shaft 11, right side oil sealing 52 is arranged between the movable knife rack bearing 32 and power input sprocket 24 left ends on right side, left side oil sealing 33 is arranged between the movable knife rack bearing 32 and oil sealing pressing plate 34 in left side, the lower end that is welded on respectively the moving knife connecting plate 20 of moving knife installing rack 18 arranged on left and right sides is connected with left width dish 63 outer ends, right width dish 23 outer ends respectively by moving knife connecting plate width dish attachment screw 22, the upper end of the moving knife connecting plate 20 of arranged on left and right sides is connected with moving knife 19 lower ends by moving knife connecting plate moving knife attachment screw 21, stationary knife 17 is arranged on the right liner plate 43 of stationary knife by stationary knife screw 44, and the right liner plate of stationary knife 43 upper ends are arranged on grain header upper box right plate 45 by the right Lining Screw 46 of stationary knife.
In Fig. 2, show the installation annexation of main shaft 11, movable knife rack bearing block 31, right width dish 23, moving knife installing rack 18, moving knife 19, and the relative position of they and stationary knife 17.
Referring to Fig. 2 and Fig. 4, circular hole in right width dish 23 the inners of circle is coated with right width dish mounting screw, right width dish 23 is installed between movable knife rack bearing block 31 and moving knife input sprocket 24 left ends, main shaft 11 is installed in interior movable knife rack bearing 32 inner rings of movable knife rack bearing block 31, in right width dish 23 outer ends and left width dish 63 outer ends, surrounding is evenly equipped with the moving knife installing rack 18 of 4 tubuloses between the two, on each moving knife installing rack 18 left sides, in every side of right both sides, be welded with moving knife connecting plate 20, the lower end of each moving knife connecting plate 20 is respectively by moving knife connecting plate width dish attachment screw 22 and corresponding left width dish 63 outer ends, right width dish 23 outer ends are connected, the upper end of every moving knife connecting plate 20 is connected with moving knife 19 lower end screws respectively by moving knife connecting plate moving knife attachment screw 21, moving knife 19 has 8, 4 moving knife 19 are respectively connected with moving knife connecting plate 20, 4 moving knife are mutually 90 ° and distribute alternately to be connected to left width dish 63 outer end surroundings or to be 90 ° and distribute alternately and be connected to right width dish 23 outer end surroundings.
Stationary knife 17 has two, every stationary knife 17 respectively with left width dish 63 outer end surroundings 4 moving knife 19 and right width dish 23 outer end surroundings 4 corresponding moving knife 19 configuration, every stationary knife 17 is all to U-shaped groove shape, every moving knife 19 rotation is all configured in stationary knife 17 centers of U-shaped groove shape, and the moving knife 19 of rotation passes through from its stationary knife 17U type groove center.Straw can be cut into the broken grass of 2～5 centimeters long; Every stationary knife 17 is arranged on respectively on the right liner plate 43 of stationary knife by stationary knife screw 44 and the left liner plate of stationary knife on, the right liner plate 43 of stationary knife and the left liner plate of stationary knife upper end are all arranged on the upper box right plate 45 of grain header by stationary knife Lining Screw 46 after bending.The right liner plate 43 of stationary knife is 30 ° of slanted angle configurations with the upper box right plate 45 of grain header.
Referring to Fig. 3 and Fig. 1, cone cylinder 6 is circular cone shape, and cone cylinder 6 point diameters are less than rear end diameter, cone cylinder 6 front ends are connected with flange 4, cone cylinder 6 rear ends are arranged on front former 10 by bolt, and two helical blades 5 are axially welded on cone cylinder 6, form the rice wheat straw bar helical duct for the treatment of threshing, between cone cylinder 6 and helical blade 5, be welded with reinforcement 7, middle reinforcement 8 and lower reinforcement 9, be the front former 10 of disc, their inner ring of middle former 41 and rear former 16 respectively installs respectively the front portion that is welded on main shaft 11, middle part and rear portion, at front former 10, on the limit, outer ring of middle former 41 and rear former 16, be connected their front end of the close threshing toothed bar 12 of hasp 14 and alternate configuration and thin threshing toothed bar 36 by ratch former respectively, middle part and rear end are integrally welded, straight close threshing toothed bar 12 and thin threshing toothed bar 36 respectively have three, between every close threshing toothed bar 12 and adjacent every thin threshing toothed bar 36 by 60 ° of radian arranged spaced, their front end, middle part is connected hasp 14 outer ends with rear portion with each corresponding ratch former and welds mutually, the ratch former of each correspondence connects hasp 14 the inners by bolt and front former 10, their limit, outer ring of middle former 41 and rear former 16 is connected, on middle former 41, be welded with middle stiffener 42, stiffener 38 after being welded with on rear former 16.Between front end between front end on each close threshing toothed bar 12 and middle part and on each thin threshing toothed bar 36 and middle part, be separately installed with the close moving tooth 37 of some closeer threshings that distribute and some thinner threshings that distributes and dredge moving tooth 40, the close moving tooth 37 of these threshings is identical with thin moving tooth 40 both structures of threshing, they are all equipped with pad, can regulate the close moving tooth 37 of these threshings and threshing to dredge the clearance distance between moving tooth 40 they and grain header concave grate, to can improve the effect of cleaning of rice wheat seed, between middle part on close threshing toothed bar 12 and rear end and dredging, between middle part on threshing toothed bar 36 and rear end, be welded with respectively that the closeer threshing of distribution is close determine tooth 13 and the thinner threshing that distributes is thin determines tooth 39, threshing is close to be determined tooth 13 and threshing and dredges that to determine tooth 39 both structures identical, more than form threshing cylinder, and described threshing cylinder forms threshing cylinder assembly together with being welded with the cone cylinder 6 of two helical blades 5.
Referring to Fig. 4, Fig. 5 and Fig. 6, at power output sprocket 26, on the minor sprocket of main tightener sprocket 48 and transition sprocket wheel 49, add main chain 47, make power output sprocket 26 drive the minor sprocket of transition sprocket wheel 49 by main tightener sprocket 48, at the hinge wheel of transition sprocket wheel 49, on secondary tightener sprocket 51 and power input sprocket 24, add secondary chain 50, make the hinge wheel of transition sprocket wheel 49 drive input sprocket 24 by secondary tightener sprocket 51, transition sprocket wheel 49 is duplicate sprocket, the external diameter of power output sprocket 26 is greater than transition sprocket wheel 49 right side minor sprocket external diameters, and transition sprocket wheel 49 left side hinge wheel external diameters are greater than power input sprocket 24 external diameters, therefore, the rotating speed of transition sprocket wheel 49 is between 1.5 times to 1.75 times of the rotating speeds of power output sprocket 26, and the rotating speed of power input sprocket 24 is between 1.5 times to 1.75 times of the rotating speeds of transition sprocket wheel 49, thereby, the rotating speed of power input sprocket 24 is between 2.25 times to 3.065 times of rotating speed of power output sprocket 26.
One end of the transition sprocket shaft 64 installing in the inner ring of the transition sprocket shaft bearing 65 in transition sprocket wheel 49, be arranged on after grain header upper box in plate 29, the fore bearing inner sleeve 60 that main shaft 11 front ends connect is arranged in fore bearing 2, main shaft 11 rear ends are arranged in rear bearing 25, and the rear bearing mount pad of rear bearing 25 is arranged on the angle steel of plate 29 after grain header upper box.
The power output sprocket 26 that is positioned at rear bearing 25 rear ends is arranged on main shaft 11 rear ends by spindle screw 27, main shaft 11 drives output chain gear 26 to turn round together, the power input sprocket 24 that is positioned at rear bearing 25 front ends is sleeved on the main shaft sleeve 30 of main shaft 11, power input sprocket 24 passes on left right width dish 23 the inners of some right width dish mounting screws and circle, power rack bearing block 31 right sides are installed and are linked together, the movable knife rack bearing 32 being provided with in the interior left and right sides of movable knife rack bearing block 31 is deep groove ball bearing, main shaft 11 rear portions are installed in movable knife rack bearing 32 inner rings, right side oil sealing 52 is arranged between the movable knife rack bearing 32 and power input sprocket 24 left ends on right side, left side oil sealing 33 is arranged between the movable knife rack bearing 32 and oil sealing pressing plate 34 in left side, the oil sealing pressing plate 34 of outer end and circular left width dish 63 the inners, movable knife rack bearing block 31 left side threes are installed and are linked together by left width dish mounting screw 35 threes.
Moving knife connecting plate 20 is welded on respectively moving knife installing rack 18 left sides for tubulose, right both sides, moving knife installing rack 18 left sides, the lower end of the moving knife connecting plate 20 of right both sides links together by moving knife connecting plate width dish attachment screw 22 with left width dish 63 outer ends and right width dish 23 outer ends respectively, the uniform moving knife installing rack 18 that is arranged on left width dish 63 outer ends and right width dish 23 outer end surroundings has 4, moving knife connecting plate 20 has 8, each moving knife connecting plate 20 upper ends are connected with each moving knife 19 lower ends by moving knife connecting plate moving knife attachment screw 21 respectively, therefore, install one moving knife 19 by moving knife connecting plate 20 is each respectively in left width dish 63 outer end surroundings and right width dish 23 outer end surroundings, respectively by 90 °, a moving knife 19 is respectively installed in left width dish 63 outer end surroundings and right width dish 23 outer end surroundings by moving knife connecting plate 20, left width dish 63 outer end surroundings are uniform is respectively equipped with 4 moving knife 19, right width dish 23 outer end surroundings are also uniform is respectively provided with 4 moving knife 19.Moving knife 19 total lengths are 115 millimeters, and inner overall width is 74 millimeters, and moving knife 19 cutting edge thickness are between 0.10～0.20 millimeter.
Two stationary knifes 17 are all identical U-shaped groove shape, every stationary knife 17 are arranged on the right liner plate 43 of stationary knife by stationary knife screw 44, and the upper end of the right liner plate 43 of stationary knife is arranged on grain header upper box right plate 45 by stationary knife Lining Screw 46 after by bending.
Referring to Fig. 7, the power input device structure of drive shaft 11 is described as follows:
Regulating wheel on tensioning wheel assembly 58 and belt pulley 59 belt on both is by the tensioned on tensioning wheel assembly 58, the belt pulley 59 that obtains power input and rotate is connected with main box power transmission shaft 57 one end by key, main box power transmission shaft 57 other ends that rotate in the main box bearing at gear-box main box 56 two ends are provided with master bevel gear 55, master bevel gear 55 is meshed with the secondary bevel gear 54 that is arranged on spline shaft 53 left ends, secondary bevel gear 54 drives flower cone power transmission shaft 53 to rotate in bearing, the splined shaft of spline shaft 53 right-hand members is inserted in fore bearing inner sleeve 60, fore bearing inner sleeve 60 is rotated in fore bearing 2 inner rings, fore bearing inner sleeve 60 right-hand members and main shaft 11 left end shaft are to welding together, fore bearing inner sleeve 60 drives main shaft 11 to rotate in fore bearing 2 and rear bearing 25 inner rings, the fore bearing overcoat 61 being arranged on outside fore bearing 2 welds together with anti-tangle plate 3 inner rings, the outer ring that is arranged on the connecting plate 62 outside fore bearing inner sleeve 60 is connected with flange 4 inner sides, flange 4 outsides are connected with anti-tangle plate 3 outer rings, anti-tangle plate 3 can prevent that straw is wrapped on fore bearing overcoat 61, outside the fore bearing inner sleeve 60 in fore bearing 2 left sides, add back-up ring 1, in case fore bearing 2 is made axial float.
Main shaft 11 rotating speed per minute kinds turn 500～800 turn.
Claims (11)
1. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat, be made up of power input device, threshing cylinder assembly and the chaffcutter assembly of drive shaft (11), it is characterized in that
The power input device structure of drive shaft (11) is as follows:
Tensioning wheel assembly (58) is connected with belt pulley (59) by tightening belt, belt pulley (59) is arranged on main box power transmission shaft (57) one end in gear-box main box (56), the master bevel gear (55) that is arranged on main box power transmission shaft (57) other end is meshed with the secondary bevel gear (54) that is arranged on spline shaft (53) front end, the spline axle head of spline shaft (53) is inserted in fore bearing inner sleeve (60), fore bearing inner sleeve (60) is axially integrally welded with main shaft (11) front end, fore bearing inner sleeve (60) is arranged in fore bearing (2) inner ring, the fore bearing overcoat (61) of anti-tangle plate (3) inner ring and fore bearing (2) outer ring welds together, being arranged on outer connecting plate (62) outer end of fore bearing inner sleeve (60) is connected with flange (4) inner side, flange (4) outside is connected with anti-tangle plate (3) outer end,
Threshing cylinder modular construction is as follows:
Cone cylinder (6) front end is connected with flange (4), and cone cylinder (6) rear end is connected with front former (10), and helical blade (5) is welded on cone cylinder (6), front former (10), the inner ring of middle former (41) and rear former (16) respectively installs respectively and is welded on main shaft (11) front portion, middle part and rear portion, front former (10), the limit, outer ring of middle former (41) and rear former (16) is connected respectively close threshing toothed bar (12) and their front end of thin threshing toothed bar (36) of hasp (14) and alternate configuration by ratch former, middle part and rear portion are integrally welded, on close threshing toothed bar (12), be provided with that the close moving tooth of threshing (37) and threshing are close determines tooth (13), on thin threshing toothed bar (36), be provided with that moving tooth (40) is dredged in threshing and threshing is thin determines tooth (39),
Chaffcutter modular construction is as follows:
Be arranged on the power output sprocket (26) of main shaft (11) rear end by main chain (47) and main tightener sprocket (48), the minor sprocket of transition sprocket wheel (49) is connected, the hinge wheel of transition sprocket wheel (49) is by secondary chain (50) and secondary tightener sprocket (51), power input sprocket (24) is connected, one end of the transition sprocket shaft (64) installing in transition sprocket shaft bearing (65) inner ring in transition sprocket wheel (49) is arranged in plate after grain header upper box (29), being arranged on outer power input sprocket (24) left end of main shaft sleeve (30) on main shaft (11) links together by right width dish mounting screw and right width dish (23) the inner and power rack bearing block (31) right side, power rack bearing block (31) passes on left left width dish mounting screw (35) and links together with left width dish (63) the inner and oil sealing pressing plate (34), left in power rack bearing block (31), in movable knife rack bearing (32) inner ring of right both sides, be coated with main shaft (11), right side oil sealing (52) is arranged between the movable knife rack bearing (32) and power input sprocket (24) left end on right side, left side oil sealing (33) is arranged between the movable knife rack bearing (32) and oil sealing pressing plate (34) in left side, be welded on respectively moving knife installing rack (18) left side, the lower end of the moving knife connecting plate (20) of right both sides by moving knife connecting plate width dish attachment screw (22) respectively with left width dish (63) outer end, right width dish (23) outer end is connected, left, the upper end of the moving knife connecting plate (20) of right both sides is connected with moving knife (19) lower end by moving knife connecting plate moving knife attachment screw (21), stationary knife (17) is arranged on the right liner plate of stationary knife (43) by stationary knife screw (44), the right liner plate of stationary knife (43) upper end is arranged on grain header upper box right plate (45) by the right Lining Screw of stationary knife (46).
2. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that in right width dish (23) outer end and left width dish (63) outer end surrounding is between the two evenly equipped with the moving knife installing rack (18) of 4 tubuloses, on each moving knife installing rack (18) left side, in each side of right both sides, be respectively welded with moving knife connecting plate (20), the lower end of each moving knife connecting plate (20) is respectively by moving knife connecting plate width dish attachment screw (22) and corresponding left width dish (63) outer end, right width dish (23) outer end is connected, the upper end of every moving knife connecting plate (20) is connected with moving knife (19) lower end screw respectively by moving knife connecting plate moving knife attachment screw (21).
3. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that stationary knife (17) has two, every stationary knife (17) respectively with left width dish (63) outer end surrounding 4 moving knife (19) and right width dish (23) outer end surrounding 4 the corresponding configuration of moving knife (19), every stationary knife (17) is all to U-shaped groove shape, every moving knife (19) rotation is all configured in stationary knife (17) center of U-shaped groove shape, and straw can be cut into 2～5 centimeters long broken grass.
4. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that cone cylinder (6) point diameter that is circular cone shape is less than rear end diameter, it is upper that two helical blades (5) are axially welded on cone cylinder (6), forms helical duct; Between cone cylinder (6) and helical blade (5), be welded with upper reinforcement (7), middle reinforcement (8) and lower reinforcement (9).
5. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that straight close threshing toothed bar (12) and thin threshing toothed bar (36) respectively have three, between every close threshing toothed bar (12) and adjacent every thin threshing toothed bar (36) by 60 ° of radian arranged spaced, their front end, middle part is connected hasp (14) outer end with rear portion with each corresponding ratch former and welds mutually, it is inner by bolt and front former (10) that the ratch former of each correspondence connects hasp (14), middle former (41) is connected with the limit, outer ring of rear former (16).
6. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that on middle former (41), being welded with middle stiffener (42), on rear former (16), be welded with rear stiffener (38).
7. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that thin moving both structures of tooth (40) of the close moving tooth of threshing (37) and threshing are identical, pad is all housed, can regulate the clearance distance between they and grain header concave grate, can improve and clean effect; Threshing is close to be determined tooth (13) and threshing and dredges that to determine both structures of tooth (39) identical.
8. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that power output sprocket (26) external diameter is greater than transition sprocket wheel (49) right side minor sprocket external diameter, transition sprocket wheel (49) left side hinge wheel external diameter is greater than power input sprocket (24) external diameter, and the rotating speed of power input sprocket (24) is between 2.25 times to 3.065 times of rotating speed of power output sprocket (26).
9. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that the fore bearing inner sleeve (60) that main shaft (11) front end connects is arranged in fore bearing (2), main shaft (11) rear end is arranged in rear bearing (25), and the rear bearing mount pad of rear bearing (25) is arranged on the angle steel of plate (29) after grain header upper box.
10. threshing cylinder assembly and chaffcutter assembly combination unit for harvester for both rice and wheat according to claim 1, it is characterized in that the power output sprocket (26) that is positioned at rear bearing (25) rear end is arranged on main shaft (11) rear end by spindle screw (27), main shaft (11) drives power output sprocket (26) to turn round together; The power input sprocket (24) that is positioned at rear bearing (25) front end is sleeved on the main shaft sleeve (30) of main shaft (11).
11. harvester for both rice and wheat according to claim 1 threshing cylinder assembly and chaffcutter assembly combination units, it is characterized in that moving knife (19) total length is 115 millimeters, inner overall width is 74 millimeters, and moving knife (19) cutting edge thickness is between 0.10～0.20 millimeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424825.7A CN102918987B (en) | 2012-10-19 | 2012-10-19 | Threshing cylinder component and straw cutting component combining device for rice and wheat harvester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210424825.7A CN102918987B (en) | 2012-10-19 | 2012-10-19 | Threshing cylinder component and straw cutting component combining device for rice and wheat harvester |
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| CN102918987B true CN102918987B (en) | 2014-11-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104996071A (en) * | 2015-07-22 | 2015-10-28 | 丹阳荣嘉精密机械有限公司 | Combine harvester threshing cylinder assembly |
| CN106358576B (en) * | 2016-08-23 | 2018-12-11 | 华中农业大学 | Grazing Brassica napus stalk chopper for combine harvester |
| CN109156174B (en) * | 2018-08-09 | 2021-05-25 | 江苏大学 | High-speed centrifugal threshing device of grain combine harvester |
| CN108990550B (en) * | 2018-08-13 | 2023-08-25 | 铜陵汇宇实业有限公司 | Tensioning wheel bracket for agricultural harvester transmission mechanism |
| CN111133877A (en) * | 2020-01-17 | 2020-05-12 | 吉林省农业机械研究院 | Towed cyperus esculentus harvester |
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| CN200944759Y (en) * | 2006-08-18 | 2007-09-12 | 江苏宇成动力集团有限公司 | Axial flow spike tooth threshing cylinder for whole-feeding combine harvester |
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| CN101878703A (en) * | 2009-05-05 | 2010-11-10 | 金华职业技术学院 | Closed coaxial differential arch dental roller |
| CN201640024U (en) * | 2009-11-27 | 2010-11-24 | 王海京 | Threshing rotary drum with speed-changing leaf board |
| CN202949716U (en) * | 2012-10-19 | 2013-05-29 | 江苏宇成动力集团有限公司 | Threshing cylinder component and straw cutting component combination for rice and wheat harvester |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07115834A (en) * | 1993-10-22 | 1995-05-09 | Iseki & Co Ltd | Thresher in combine |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944759Y (en) * | 2006-08-18 | 2007-09-12 | 江苏宇成动力集团有限公司 | Axial flow spike tooth threshing cylinder for whole-feeding combine harvester |
| CN101297621A (en) * | 2007-05-04 | 2008-11-05 | 荣成市海山机械制造有限公司 | Power transmitting means of maize harvesting machine straw gripping coveyer |
| CN201378960Y (en) * | 2009-04-17 | 2010-01-13 | 李长福 | Spiral combined threshing cylinder |
| CN101878703A (en) * | 2009-05-05 | 2010-11-10 | 金华职业技术学院 | Closed coaxial differential arch dental roller |
| CN201640024U (en) * | 2009-11-27 | 2010-11-24 | 王海京 | Threshing rotary drum with speed-changing leaf board |
| CN202949716U (en) * | 2012-10-19 | 2013-05-29 | 江苏宇成动力集团有限公司 | Threshing cylinder component and straw cutting component combination for rice and wheat harvester |
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