CN102918987A - 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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- CN102918987A CN102918987A CN2012104248257A CN201210424825A CN102918987A CN 102918987 A CN102918987 A CN 102918987A CN 2012104248257 A CN2012104248257 A CN 2012104248257A CN 201210424825 A CN201210424825 A CN 201210424825A CN 102918987 A CN102918987 A CN 102918987A
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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 of using at harvester for both rice and wheat and the composite set field of cutting straw with threshing cylinder assembly and chaffcutter assembly composite set.
Background technology
The threshing cylinder assembly that in the past used at harvester for both rice and wheat is generally without the assembly of cutting straw, only carry out rice-wheat threshing, straw after the threshing then is abandoned in the fields, separately by artificially collecting processing, for the straw after the threshing is cut, then, throw again in the field, allow it become the fertilizer in field, obviously this is very economic a kind of harvesting mode, therefore just need to design a kind of composite set 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 purpose of the present invention provides is combined by threshing cylinder assembly and chaffcutter assembly with threshing cylinder assembly and chaffcutter assembly composite set, to reach the purpose of throwing after the straw after the threshing or wheat straw shredded again in the field.
Harvester for both rice and wheat is with threshing cylinder assembly and chaffcutter assembly composite set, is comprised 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 installed in main box power transmission shaft one end in the gear-box main box, the master bevel gear that is installed in the main box power transmission shaft other end is meshed with the secondary bevel gear that is installed in the spline shaft front end, the spline axle head of spline shaft is inserted in the fore bearing inner sleeve, fore bearing inner sleeve and front-end of spindle are axially integrally welded, the fore bearing inner sleeve is installed in the fore bearing inner ring, the fore bearing overcoat of anti-tangle plate inner ring and fore bearing outer ring welds together, be installed in the outer connecting plate outer end of fore bearing inner sleeve and be connected with the flange inboard, the flange outside is connected with anti-tangle plate outer end;
The threshing cylinder modular construction is as follows:
Cone cylinder front end is connected with flange, and the cone tube rear end is connected with front former, and helical blade is welded on the 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, front former, middle former and be connected their limit, outer ring of former to connect hasp by the ratch former respectively integrally welded with close threshing toothed bar and rough their front end of ratch, middle part and rear portion of alternate configuration, be equipped with at close threshing toothed bar that the close moving tooth of threshing and threshing are close decides tooth, at rough grain ratch threshing be installed and dredge moving tooth and threshing and dredge and decide tooth;
The chaffcutter modular construction is as follows:
Be installed in the power output sprocket of rear-end of spindle by main chain and the tight sprocket wheel of opinion, the minor sprocket of transition sprocket wheel is connected, the hinge wheel of transition sprocket wheel is by secondary chain and secondary tightener sprocket, the power input sprocket is connected, one end of the transition sprocket shaft that installs in the transition sprocket shaft bearing inner ring in the transition sprocket wheel is installed in behind the grain header upper box in the plate, being installed in the outer power input sprocket left end of main shaft sleeve on the main shaft links together by right width of cloth dish mounting screw and right width of cloth dish the inner and power rack bearing block right side, the power rack bearing block passes on left left width of cloth dish mounting screw and left width of cloth dish the inner and oil sealing pressing plate and links together, left in the power rack bearing block, be coated with main shaft in the movable knife rack bearing inner race of right both sides, the right side oil sealing is installed between the movable knife rack bearing and power input sprocket left end on right side, and the left side oil sealing is installed 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 of cloth dish outer end, right width of cloth dish outer end respectively by moving knife connecting plate width of cloth dish attachment screw, the upper end of the moving knife connecting plate of arranged on left and right sides is connected with the moving knife lower end by moving knife connecting plate moving knife attachment screw, stationary knife is installed on the right liner plate of stationary knife by the stationary knife screw, and the right liner plate of stationary knife upper end is installed on the 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 composite set:
The ceding of Taiwan of harvester for both rice and wheat is cut off the rice wheat straw bar in the field by delivery chute and is transported in the helical-blade film trap of cone cylinder, threshing tooth threshing on the threshing toothed bar on the threshing cylinder, then the straw after the threshing enters into the chaffcutter assembly, be cut into 2～5 centimeters long broken grass between moving knife and stationary knife, 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 rough grain ratch is after being rotated by belt pulley, main box power transmission shaft, process master bevel gear, secondary bevel gear drive spline shaft, pass to again the fore bearing inner sleeve that links to each other with main shaft, main shaft is rotated; And moving knife by moving knife connecting plate, moving knife installing rack, right width of cloth dish, left width of cloth dish, movable knife rack bearing block through the movable knife rack bearing after the power that main shaft rotates is to flow to power output sprocket by main shaft, through main chain, advocate tight sprocket wheel, transition sprocket wheel, behind secondary chain, secondary tightener sprocket and power input sprocket, drive the power rack bearing block again and rotate and obtain.
The structure of threshing cylinder main shaft power input unit further specifies as follows:
Regulating wheel on the tensioning wheel assembly and the belt on the belt pulley are by the tensioned on the tensioning wheel assembly, the belt pulley that rotates 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 that rotates in the main box bearing at gear-box main box two ends is installed is meshed with the secondary bevel gear that is installed in the spline shaft left end, secondary bevel gear drives spline shaft and rotates in bearing, the splined shaft of spline shaft right-hand member inserts and is connected in the fore bearing inner sleeve, make to be enclosed within the fore bearing in the fore bearing inner ring and rotate, outside the fore bearing inner sleeve in fore bearing left side, add back-up ring and keeping off fore bearing, because of fore bearing inner sleeve right-hand member and main shaft left end shaft to welding together, the fore bearing inner sleeve drives main shaft and rotates in fore bearing and rear bearing inner ring; Be installed in fore bearing outer fore bearing overcoat and anti-tangle plate inner ring and weld together, be installed in the outer connecting plate outer ring of fore bearing inner sleeve and be connected with the flange inboard, the 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 specifies as follows:
The 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 the cone tube rear end is installed on the front former by bolt, has two helical blades axially to be welded on the cone cylinder, forms the 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, middle former be connected the close threshing toothed bar that connects respectively hasp and alternate configuration on the outer ring of former by the ratch former, rough their front end of grain ratch, middle part and rear end are integrally welded, at the thin moving tooth of threshing that is separately installed with the close moving tooth of the closeer threshing of distribution between the front end on the close threshing toothed bar and the middle part and between the front end on the rough grain ratch and middle part and distributes and dredge, dredging moving tooth in the close moving tooth of these threshings and threshing is equipped with pad and can regulates the close moving tooth of threshing, the gap between the concave grate of moving tooth they and grain header is dredged in threshing, in order to improve the effect of cleaning of rice wheat seed, the closeer threshing of distribution is close decide tooth and the threshing of dredging of distributing is thin decides tooth being welded with respectively between the middle part on the close threshing toothed bar and the rear end and between the middle part of rough grain ratch and rear end, many close threshing toothed bars are connected respectively the hasp connection that is weldingly connected with being connected the alternate configuration of radian such as grain ratch with Duo Gen with the ratch former, and corresponding ratch former connect hasp respectively with front former, middle former links to each other by bolt with their limit, outer ring of rear former and links together, at last, making many close threshing toothed bars be connected a grain ratch with Duo Gen waits radian respectively by ratch former connection hasp and front former each other, middle former and rear former are connected, form threshing cylinder, and threshing cylinder forms the threshing cylinder assembly with the cone cylinder that is welded with helical blade.
The structure of chaffcutter assembly further specifies as follows:
Make power output sprocket by main chain, advocate that tight sprocket wheel and transition sprocket wheel three are connected together, make the transition sprocket wheel by secondary chain, secondary tightener sprocket and power input sprocket three are connected together, the 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, and then the rotating speed of power input sprocket is 2.25 times to 3.065 times of rotating speed of power output sprocket.One end of the transition sprocket shaft that installs in the transition sprocket shaft bearing inner ring in the transition sprocket wheel is installed in behind the upper box of grain header in the plate, rear-end of spindle is installed in the rear bearing, rear bearing is the bearing with mount pad, the rear bearing mount pad is installed in behind the upper box of grain header on the plate angle steel, power output sprocket is installed in rear-end of spindle by spindle screw, be that power output sprocket is positioned at the rear bearing rear end, and the power input sprocket is positioned at the rear bearing front end, be sleeved on the main shaft by main shaft sleeve, the power input sprocket is inner with circular right width of cloth dish by some right width of cloth dish mounting screws, power rack bearing block right side links together, the movable knife rack bearing that the left and right sides is equipped with in the movable knife rack bearing block is deep groove ball bearing, in the movable knife rack bearing inner race, be coated with main shaft, the right side oil sealing is installed between the movable knife rack bearing and power input sprocket left end on right side, the left side oil sealing is installed between the movable knife rack bearing and oil sealing pressing plate in left side, and the oil sealing pressing plate of outer end is inner with circular left width of cloth dish by left width of cloth dish mounting screw, movable knife rack bearing block left side links together; The 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 of cloth dish outer end, right width of cloth dish outer end by moving knife connecting plate width of cloth dish attachment screw, the upper end of moving knife connecting plate is connected with the moving knife lower end respectively by moving knife connecting plate moving knife attachment screw, on left width of cloth dish and the right width of cloth dish four moving knife connecting plates are housed respectively, a moving knife is equipped with in every moving knife connecting plate outer end; Two stationary knifes all are identical U-shaped groove shape, every stationary knife are installed on the right liner plate of stationary knife by the stationary knife screw, and the upper end of the right liner plate of stationary knife is installed on the upper box right plate of grain header by the stationary knife Lining Screw after by bending.
This harvester for both rice and wheat is because the close moving tooth of threshing, the thin moving tooth of threshing are housed with threshing cylinder assembly and chaffcutter assembly composite set advantage, improve vibratory sieve and cleaned effect, because hay cutter is installed, can will throw Tanaka after the straw chopping, whole apparatus structure is compact, reliable.
Description of drawings
Fig. 1: harvester for both rice and wheat threshing cylinder assembly and chaffcutter assembly composite set.
Fig. 2: for A-A among Fig. 1 to schematic diagram.
Fig. 3: look and show view for removing a threshing cylinder left side behind power input mechanism II, fore bearing 2, anti-tangle plate 3 and the flange 4 among Fig. 1.
Fig. 4: be hay cutter I broken section enlarged diagram among Fig. 1.
Fig. 5: for arrow B among Fig. 1 to hay cutter I enlarged diagram.
Fig. 6: input schematic diagram for arrow C among Fig. 5 to chaffcutter assembly power, arrow represents that power output sprocket 26 turns among Fig. 6.
Fig. 7: among Fig. 1 to the amplification cross-sectional schematic of the power input device II of main shaft 11 and helical blade 5, cone cylinder 6.
Embodiment
Referring to Fig. 1 and relevant drawings, harvester for both rice and wheat is with threshing cylinder assembly and chaffcutter assembly composite set, is comprised 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:
The threshing cylinder modular construction is as follows:
The chaffcutter modular construction is as follows:
Be installed in the power output sprocket 26 of main shaft 11 rear ends by main chain 47 and the tight sprocket wheel 48 of opinion, 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 that installs in transition sprocket shaft bearing 65 inner rings in transition sprocket wheel 49 is installed in behind the grain header upper box in the plate 29, being installed in outer power input sprocket 24 left ends of main shaft sleeve 30 on the main shaft 11 links together by right width of cloth dish mounting screw and right width of cloth dish 23 the inners and power rack bearing block 31 right sides, power rack bearing block 31 passes on left left width of cloth dish mounting screw 35 and links together with left width of cloth dish 63 the inners and oil sealing pressing plate 34, on power rack bearing block 31 interior left sides, be coated with main shaft 11 in movable knife rack bearing 32 inner rings of right both sides, right side oil sealing 52 is installed between the movable knife rack bearing 32 and power input sprocket 24 left ends on right side, and left side oil sealing 33 is installed 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 of cloth dish 63 outer ends, right width of cloth dish 23 outer ends respectively by moving knife connecting plate width of cloth 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 installed 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 installed on the grain header upper box right plate 45 by the right Lining Screw 46 of stationary knife.
The installation annexation that shows main shaft 11, movable knife rack bearing block 31, right width of cloth dish 23, moving knife installing rack 18, moving knife 19 among Fig. 2, and the relative position of they and stationary knife 17.
Referring to Fig. 2 and Fig. 4, circular hole in right width of cloth dish 23 the inners of circle is coated with right width of cloth dish mounting screw, right width of cloth 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 movable knife rack bearing block 31 interior movable knife rack bearing 32 inner rings, be evenly equipped with the moving knife installing rack 18 of 4 tubuloses between the two in right width of cloth dish 23 outer ends and left width of cloth dish 63 outer ends, on each moving knife installing rack 18 left side, be welded with moving knife connecting plate 20 on every side of right both sides, the lower end of each moving knife connecting plate 20 is respectively by moving knife connecting plate width of cloth dish attachment screw 22 and corresponding left width of cloth dish 63 outer ends, right width of cloth 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, each links to each other 4 moving knife 19 with moving knife connecting plate 20, and 4 are 90 ° mutually to moving knife distributes alternately to be connected to left width of cloth dish 63 outer ends all around or to be 90 ° and distribute alternately and be connected to around right width of cloth dish 23 outer ends.
Referring to Fig. 3 and Fig. 1, cone cylinder 6 is circular cone shape, and cone cylinder 6 point diameters are less than the rear end diameter, cone cylinder 6 front ends are connected with flange 4, cone cylinder 6 rear ends are installed on the front former 10 by bolt, and two helical blades 5 axially are welded on the cone cylinder 6, form the rice wheat straw bar helical duct for the treatment of threshing; Be welded with reinforcement 7 at cone cylinder 6 and 5 of helical blades, 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, middle former 41 connects their front end of the close threshing toothed bar 12 of hasp 14 and alternate configuration and rough grain ratch 36 with being connected on the limit, outer ring of former 16 respectively by the ratch former, middle part and rear end are integrally welded, straight close threshing toothed bar 12 and rough grain ratch 36 respectively have three, between every close threshing toothed bar 12 and the adjacent every rough grain ratch 36 by 60 ° of radian arranged spaced, their front end, the middle part connects hasp 14 outer ends with the rear portion ratch former corresponding with each welds mutually, and each corresponding ratch former 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; Be welded with middle stiffener 42 at middle former 41, stiffener 38 after rear former 16 is welded with.Be separately installed with the close moving tooth 37 of some closeer threshings that distribute and the thin moving tooth 40 of some thin threshings that distribute between front end on each close threshing toothed bar 12 and the middle part and between the front end on each rough ratch 36 and middle part, the close moving tooth 37 of these threshings is identical with thin moving tooth 40 both structures of threshing, they all are equipped with pad, can regulate the close moving tooth 37 of these threshings and threshing and dredge clearance distance between moving tooth 40 they and grain header concave grate, in order to can improve the effect of cleaning of rice wheat seed, the closeer threshing of distribution is close decide tooth 13 and the threshing of dredging of distributing is thin decides tooth 39 being welded with respectively between the middle part on the close threshing toothed bar 12 and the rear end and between the middle part on the rough grain ratch 36 and rear end, threshing is close to be decided tooth 13 and threshing and dredges that to decide tooth 39 both structures identical, more than form threshing cylinder, and described threshing cylinder forms the threshing cylinder assembly with the cone cylinder 6 that is welded with two helical blades 5.
Referring to Fig. 4, Fig. 5 and Fig. 6, at power output sprocket 26, advocate to add main chain 47 on the minor sprocket of tight sprocket wheel 48 and transition sprocket wheel 49, make power output sprocket 26 drive the minor sprocket of transition sprocket wheel 49 by advocating tight sprocket wheel 48, hinge wheel at transition sprocket wheel 49, add secondary chain 50 on secondary tightener sprocket 51 and the power input sprocket 24, 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 that installs in the inner ring of the transition sprocket shaft bearing 65 in transition sprocket wheel 49, be installed in behind the grain header upper box in the plate 29, the fore bearing inner sleeve 60 that main shaft 11 front ends connect is installed in the fore bearing 2, main shaft 11 rear ends are installed in the rear bearing 25, and the rear bearing mount pad of rear bearing 25 is installed on the angle steel of plate 29 behind the grain header upper box.
The power output sprocket 26 that is positioned at rear bearing 25 rear ends is installed in main shaft 11 rear ends by spindle screw 27, main shaft 11 drives output chain gear 26 and turns 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 of cloth dish 23 the inners of some right width of cloth dish mounting screws and circle, power rack bearing block 31 right sides are installed and are linked together, the movable knife rack bearing 32 that is equipped with in the movable knife rack bearing block 31 interior left and right sides 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 installed between the movable knife rack bearing 32 and power input sprocket 24 left ends on right side, left side oil sealing 33 is installed 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 of cloth dish 63 the inners, movable knife rack bearing block 31 left side threes install by left width of cloth dish mounting screw 35 threes and link together.
Moving knife connecting plate 20 is welded on respectively moving knife installing rack 18 left sides of 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 of cloth dish attachment screw 22 with left width of cloth dish 63 outer ends and right width of cloth dish 23 outer ends respectively, the uniform moving knife installing rack 18 that is installed in around left width of cloth dish 63 outer ends and right width of cloth dish 23 outer ends has 4, moving knife connecting plate 20 has 8, each moving knife connecting plate 20 upper end is connected with each moving knife 19 lower end by moving knife connecting plate moving knife attachment screw 21 respectively, therefore, by moving knife connecting plate 20 moving knife 19 is installed respectively respectively around in left width of cloth dish 63 outer ends and around right width of cloth dish 23 outer ends, respectively by 90 ° a moving knife 19 is installed respectively by moving knife connecting plate 20 around namely in left width of cloth dish 63 outer ends and around right width of cloth dish 23 outer ends, uniform around left width of cloth dish 63 outer ends 4 moving knife 19 are housed respectively, also uniform around right width of cloth dish 23 outer ends 4 moving knife 19 are installed respectively.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 all are identical U-shaped groove shape, every stationary knife 17 are installed 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 installed on the 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 the tensioning wheel assembly 58 and belt pulley 59 belt on both is by the tensioned on the tensioning wheel assembly 58, the belt pulley 59 that obtains the power input and rotate is connected with main box power transmission shaft 57 1 ends 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 equipped with master bevel gear 55, master bevel gear 55 is meshed with the secondary bevel gear 54 that is installed in spline shaft 53 left ends, secondary bevel gear 54 drives flower cone power transmission shaft 53 and rotates in bearing, the splined shaft of spline shaft 53 right-hand members is inserted in the 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, and fore bearing inner sleeve 60 drives main shaft 11 and rotates in fore bearing 2 and rear bearing 25 inner rings; Being installed in fore bearing 2 outer fore bearing overcoats 61 welds together with anti-tangle plate 3 inner rings, the outer ring that is installed in the connecting plate 62 outside the fore bearing inner sleeve 60 is connected with flange 4 inboards, flange 4 outsides are connected with anti-tangle plate 3 outer rings, anti-tangle plate 3 can prevent that straw is wrapped on the 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.
Claims (11)
1. harvester for both rice and wheat is with threshing cylinder assembly and chaffcutter assembly composite set, is comprised 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 installed in main box power transmission shaft (57) one ends in the gear-box main box (56), the master bevel gear (55) that is installed in main box power transmission shaft (57) other end is meshed with the secondary bevel gear (54) that is installed in spline shaft (53) front end, the spline axle head of spline shaft (53) is inserted in the 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 installed 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, be installed in outer connecting plate (62) outer end of fore bearing inner sleeve (60) and be connected with flange (4) inboard, flange (4) outside is connected with anti-tangle plate (3) outer end;
The 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 the cone cylinder (6); Front former (10), middle former (41) and their inner ring of rear former (16) respectively install respectively and are welded on main shaft (11) front portion, middle part and rear portion, front former (10), middle former (4) and be connected their limit, outer ring of former (16) and connect respectively close threshing toothed bar (12) and rough their front end of ratch (36) of hasp (14) and alternate configuration by the ratch former, middle part and rear portion are integrally welded, be equipped with at close threshing toothed bar (12) that the close moving tooth of threshing (37) and threshing are close decides tooth (13), at rough grain ratch (36) threshing be installed and dredge that moving tooth (40) and threshing are thin decides tooth (39);
The chaffcutter modular construction is as follows:
Be installed in the power output sprocket (26) of main shaft (11) rear end by main chain (47) and opinion tight sprocket wheel (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) that installs in transition sprocket shaft bearing (65) inner ring in transition sprocket wheel (49) is installed in the plate behind the grain header upper box (29), being installed in outer power input sprocket (24) left end of main shaft sleeve (30) on the main shaft (11) links together by right width of cloth dish mounting screw and right width of cloth dish (23) the inner and power rack bearing block (31) right side, power rack bearing block (31) passes on left left width of cloth dish mounting screw (35) and links together with left width of cloth dish (63) the inner and oil sealing pressing plate (34), left in power rack bearing block (31), be coated with main shaft (11) in movable knife rack bearing (32) inner ring of right both sides, right side oil sealing (52) is installed between the movable knife rack bearing (32) and power input sprocket (24) left end on right side, and left side oil sealing (33) is installed between the movable knife rack bearing (32) and oil sealing pressing plate (34) in left side; Be welded on respectively moving knife installing rack (a 18) left side, the lower end of the moving knife connecting plate (20) of right both sides by moving knife connecting plate width of cloth dish attachment screw (22) respectively with left width of cloth dish (63) outer end, right width of cloth 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 installed on the right liner plate of stationary knife (43) by stationary knife screw (44), and the right liner plate of stationary knife (43) upper end is installed on the grain header upper box right plate (45) by the right Lining Screw of stationary knife (46).
2. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that being evenly equipped with between the two in right width of cloth dish (23) outer end and left width of cloth dish (63) outer end the moving knife installing rack (18) of 4 tubuloses, on each moving knife installing rack (18) left side, respectively be welded with moving knife connecting plate (20) on each side of right both sides, the lower end of each moving knife connecting plate (20) is respectively by moving knife connecting plate width of cloth dish attachment screw (22) and corresponding left width of cloth dish (63) outer end, right width of cloth dish (23) outer end is connected, and 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. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that stationary knife (17) has two, every stationary knife (17) respectively with left width of cloth dish (63) outer end around 4 moving knife (19) and right width of cloth dish (23) outer end all around 4 the corresponding configuration of moving knife (19), every stationary knife (17) all is U-shaped groove shape, every moving knife (19) rotation all is configured in stationary knife (17) center of U-shaped groove shape, and straw can be cut into 2～5 centimeters long broken grass.
4. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that being cone cylinder (6) point diameter of circular cone shape less than the rear end diameter, two helical blades (5) axially are welded on the cone cylinder (6), form helical duct; Between cone cylinder (6) and helical blade (5), be welded with upper reinforcement (7), middle reinforcement (8) and lower reinforcement (9).
5. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that straight close threshing toothed bar (12) and rough grain ratch (36) respectively have three, between every close threshing toothed bar (12) and the adjacent every rough grain ratch (36) by 60 ° of radian arranged spaced, their front end, the middle part connects hasp (14) outer end with the rear portion ratch former corresponding with each welds mutually, and it is inner by bolt and front former (10) that each corresponding ratch former connects hasp (14), middle former (41) is connected with their limit, outer ring of rear former (16).
6. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that being welded with middle stiffener (42) at middle former (41), be welded with rear stiffener (38) at rear former (16).
7. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, 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 all is housed, can regulate the clearance distance between they and grain header concave grate, can improve and clean effect; Threshing is close to be decided tooth (13) and threshing and dredges that to decide both structures of tooth (39) identical.
8. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, 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. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that the fore bearing inner sleeve (60) that main shaft (11) front end connects is installed in the fore bearing (2), main shaft (11) rear end is installed in the rear bearing (25), and the rear bearing mount pad of rear bearing (25) is installed on the angle steel of plate (29) behind the grain header upper box.
10. harvester for both rice and wheat according to claim 1 is with threshing cylinder assembly and chaffcutter assembly composite set, it is characterized in that the power output sprocket (26) that is positioned at rear bearing (25) rear end is installed in main shaft (11) rear end by spindle screw (27), main shaft (11) drives power output sprocket (26) and turns 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 composite set, 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 |
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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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| 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 CN102918987B (en) | 2014-11-26 |
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Cited By (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 |
| CN106358576A (en) * | 2016-08-23 | 2017-02-01 | 华中农业大学 | Feeding rape stalk chopping device used for combine harvester |
| CN108990550A (en) * | 2018-08-13 | 2018-12-14 | 铜陵汇宇实业有限公司 | A kind of tension pulley support for agricultural harvester transmission mechanism |
| WO2020029348A1 (en) * | 2018-08-09 | 2020-02-13 | 江苏大学 | High-speed centrifugal threshing apparatus of grain combine harvester |
| 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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| 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 |
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| CN106358576B (en) * | 2016-08-23 | 2018-12-11 | 华中农业大学 | Grazing Brassica napus stalk chopper for combine harvester |
| WO2020029348A1 (en) * | 2018-08-09 | 2020-02-13 | 江苏大学 | High-speed centrifugal threshing apparatus of grain combine harvester |
| CN108990550A (en) * | 2018-08-13 | 2018-12-14 | 铜陵汇宇实业有限公司 | A kind of tension pulley support for agricultural harvester transmission mechanism |
| 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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|---|---|
| CN102918987B (en) | 2014-11-26 |
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