CN1248566C

CN1248566C - Combine

Info

Publication number: CN1248566C
Application number: CN 98104295
Authority: CN
Inventors: 山本明人; 楢原阳三郎; 大冢弘隆; 奥村健
Original assignee: Yanmar Agricultural Equipment Co Ltd
Current assignee: Yanmar Co Ltd
Priority date: 1997-10-17
Filing date: 1998-01-22
Publication date: 2006-04-05
Anticipated expiration: 2018-01-22
Also published as: CN2343765Y; CN1214852A; JPH11113371A

Abstract

A combine harvester is so designed that the reaping section in the front of the machine body is equipped with a cutting blade for cutting off the feet of unreaped grain culms and a mechanism for carrying reaped grain culms while supporting them in a sideways fallen posture, and the threshing section in the rear of the machine body is equipped with a threshing cylinder for threshing grain culms fed from the reaping section and a sorting mechanism for separating a threshed product fallen at the bottom of the threshing cylinder into grains and waste straw and withdrawing them; wherein the rail member of a feed chain disposed on the side of a threshing section is mounted horizontally revolvably around a support axis.

Description

Combine

Technical field

The combine that the present invention relates to a kind of continuous receipts harvested cereal culm and carry out threshing.

Background technology

In existing combine, in the time of removing the grass bits of the threshing cylinder downside of being located at threshing portion inside etc., threshing cylinder must be lifted the top could take out, can not clean simply; In addition,, the threshing residue of threshing cylinder is carried out threshing again, can effectively collect the grain in the grass by process cartridge at threshing portion set handling tube, but driving mechanism that must the set handling tube, it is complicated that drives structure becomes, and is difficult for reducing manufacturing cost.

Summary of the invention

The reaping part of combine of the present invention in the body front side is provided with blade and conveying mechanism, and blade is used for cutting off the not paddy stalk root of harvesting, and conveying mechanism is used for supporting and carry the paddy stalk that has gathered in the posture of laying across; Simultaneously the threshing portion at the body rear side is provided with threshing cylinder and sorting mechanism, and threshing cylinder is used for the paddy stalk that comes from aforementioned reaping part is carried out threshing, and the grain that sorting mechanism is used for separating and takes out in the threshing object of falling the threshing cylinder below is considered to be worth doing with grass.The guide rail component of feeding chain is housed on machine, and this member is located at threshing portion side, and can rotate freely around the fulcrum shaft level, thereby forwards the feeding chain to side, can clean threshing portion inside at an easy rate; Simultaneously, can under being installed on the state of guide rail component, install and remove by the feeding chain.

In addition, the grass bits of discharge sorting mechanism and the crossflow fan of dust are installed on guide rail component, rotate to a side, crossflow fan is moved on to outside the machine, so can clean aforementioned blower fan and sorting mechanism at an easy rate by the feeding chain.

In addition, on guide rail component, be provided with supporting plate, and with a kind of can being installed on the supporting plate in crossflow fan or the one-sided dust suction and exhausting fan with freely exchanging.Because can shared aforementioned supporting plate, select crossflow fan or one-sided dust suction and exhausting fan to install, so can easily change the form of aforementioned each blower fan, improve screening dust discharge function by selecting that each blower fan is installed easily, reduce manufacturing cost by the dismounting of omitting each blower fan.

Be provided with the drive sprocket of feeding chain in the guide rail component rear end that is connected in fulcrum shaft, owing near fulcrum shaft, carry out the transmission of power of aforementioned sprocket wheel, can be at an easy rate by sprocket wheel being installed with the transmission case body of other dual-purposes; The feeding chain also can carry out stalk very reposefully and carry.

In addition, the fuel tank of engine is installed in the board that threshing portion is housed, the fuel of this fuel tank is through the fuel oil filter supply engine, and fuel oil filter is located at carrying above the paddy platform of threshing portion, thereby operating personnel stand in to carry on the paddy platform and can carry out the replacing of fuel oil filter, even large-scale fuel oil filter also can guarantee the installing space that it is enough big.

Combine is provided with blade and conveying mechanism on the reaping part of body front side, blade is used for cutting off the not paddy stalk root of harvesting, and conveying mechanism is used for supporting and carry the paddy stalk that has gathered in the posture of laying across; Simultaneously the threshing portion at the body rear side is provided with threshing cylinder and sorting mechanism, and threshing cylinder is used for the paddy stalk that comes from aforementioned reaping part is carried out threshing, and the grain that sorting mechanism is used for separating and takes out in the threshing object of falling the threshing cylinder below is considered to be worth doing with grass.Also has process cartridge on the machine, the threshing object at aforementioned threshing cylinder rear portion is carried and threshing again, and process cartridge is connected on the belt of the aforementioned threshing cylinder of driving, driving belt by threshing cylinder is to the process cartridge transferring power, so the drives structure of process cartridge can be simplified, cost can reduce.

In addition, be provided with the chain cover that process cartridge is connected in belt,, can install and drive process cartridge, simultaneously, when taking off process cartridge, also can take off chain cover so only need add above-mentioned chain cover.

In addition, the reduction gearing that threshing cylinder is connected in belt is set, being suitable for passing to threshing cylinder behind speed drive belt that process cartridge rotates and the dynamic retarding with belt, thus the power loss of belt can be reduced, and can drive threshing cylinder with higher moment.

In addition, dispose anti-roll careless plate in the threshing cylinder back, on anti-roll careless plate, be provided with the anti-grass rod that twines, because the grain ear head of pulling up from threshing cylinder is moved by aforementioned rod guiding, can not occur the unfavorable condition that the grain ear head is reeled at the threshing cylinder rear portion, the grain that residues in simultaneously in the grain ear head can carry out threshing by aforementioned rod.

Description of drawings

Fig. 1 is a combine integral right end view; Fig. 2 is its left side view; Fig. 3 is its plane; Fig. 4 is reaping part side illustration figure; Fig. 5 is its plane key diagram; Fig. 6 is the side illustration figure of threshing portion; Fig. 7 is that it amplifies key diagram; Fig. 8 drives key diagram; Fig. 9 is that threshing cylinder drives front view; Figure 10 is its end view; Figure 11 is its plane; Figure 12 is a threshing portion rearview; Figure 13 is its enlarged drawing; Figure 14 is the process cartridge plane; Figure 15 is that it decomposes key diagram; Figure 16 is that crossflow fan decomposes key diagram; Figure 17 is the cereal box front view; Figure 18 is its end view; Figure 19 is the distortion illustration of Fig. 8; Figure 20 is the distortion illustration of Figure 16; Figure 21 is the plane key diagram of feeding chain; Figure 22 is the second reduction enlarged side view of threshing portion; Figure 23 is the end view at threshing cylinder rear portion; Figure 24 is its rearview; Figure 25 is the perspective key diagram of threshing portion; Figure 26 is the distortion illustration of Fig. 7.

Embodiment

Bottom borrows accompanying drawing to describe embodiments of the invention in detail.Fig. 1 is the right side view of combine; Fig. 2 is its left side view; Fig. 3 is its plane.(1) is the track frame that pair of right and left traveling crawler (2) are housed among the figure; (3) be the board that is set up in above-mentioned track frame (1) upside; (4) be the threshing portion that sets up feeding chain (5) in the left side, is equipped with threshing cylinder (6) and process cartridge (7) in inside; (8) be reaping part with 4 roads harvesting usefulness of blade (9) and paddy stalk conveying mechanism (10) etc.; (11) be the oil pressure hoist cylinder that comes lifting reaping part (8) by harvest frame (12); (13) be to face toward the terminal chaffcutter of careless chain (14); (15) be to be input into next cereal box from the grain that come out threshing portion (4) by the tube (16) of winnowing; (17) be with the outer year paddy platform of the output of the grain in the above-mentioned cereal box (15) machine; (18) be console with running operation portion (19) and operator's seat (20); (21) be to be located at the following engine of operator's seat (20); Owing to will gather in continuously and threshing, the fuel tank (21a) of engine (21) is installed in the board that threshing portion (4) are housed (3), pass through the fuel supply engine (21) of fuel oil filter (21b) simultaneously, and fuel oil filter (21b) is provided in a side of the top of carrying paddy platform (17) of threshing portion (4) with fuel tank (21a); Operating personnel are being carried the replacing of carrying out fuel oil filter on the paddy platform (17), even and above-mentioned fuel oil filter big again, also can guarantee to have enough big installing space.

As Fig. 4, shown in Figure 5, combine is including on the aforementioned reaping part (8) of 4 roads harvestings usefulness: have the harvested cereal culm of not receiving between 5 branches grass plates of size (22) is propped up 4 of point (23) of propping up that come and propped up case (24); The paddy stalk of propping up is harrowed the 4 groups of pocket-wheels (25) that hold together from root one side and hold together band (26) with rake; The blade (9) that the paddy stalk root that rake is held together cuts off; Right lower quadrant carrier chain (27) is carried point (28) with upper right quarter, and they are transported to tiltedly rear, a left side with the paddy stalk of right side twice harvesting; Lower left quarter carrier chain (29) and upper left quarter are carried point (30), and they are transported to back right lower quadrant carrier chain (27) and upper right quarter with the paddy stalk of left side twice harvesting and are converged near carrying the feeding terminal position of sharp (28); The root side that to collaborate to extract to 4 roads of above-mentioned right lower quadrant carrier chain (27) feeding terminal the paddy stalk continues vertical carrier chain (31) of carrying; Be located at the auxiliary carrier chain (32) of aforementioned vertical carrier chain (31) feeding terminal, it continues to feeding chain (5) with suitable attitude and carries the paddy stalk of harvesting.After 4 roads are received harvested cereal culm and meet at vertical carrier chain (31) in succession, supply with feeding chain (5) and carry out threshing and handle.

In addition, be installed on the harvest frame (12) by the initial end of input magazine (34) with aforementioned vertical carrier chain (31), this input magazine (34) has threshing depth adjustment fulcrum shaft (33); Simultaneously, electronic threshing degree of depth motor is located on the harvest frame (12), this electronic threshing degree of depth motor can be that swing the feeding terminal of vertical carrier chain (31) between dark threshing and shallow threshing position at the center with the fulcrum shaft (33) of input magazine (34); By the rotating of control threshing degree of depth motor, the feeding terminal that makes vertical carrier chain (31) joins with the conveying top of auxiliary carrier chain (32), from, thereby change the threshing degree of depth of threshing cylinder (6) to the paddy stalk.

As Fig. 6, shown in Figure 7, on aforementioned board (3), formed dun toro shape machine basket (36), front upper in machine basket (36) has formed drum chamber (37), in this drum chamber (37), its outer peripheral face is being set is having many bow roller gears (38), right handed threshing cylinder (6), the direction almost parallel of the axis of threshing cylinder (6) and combine walking.Be provided with notch board (39) in the below of this threshing cylinder (6), zone grass outlet (41) part that forms at interval except the back endplate (40) by aforementioned threshing cylinder (6) is opened and is established notch board (being subjected to net) (39), also forms careless path (42) at the rear of aforementioned drum chamber (37) simultaneously.

In aforementioned drum chamber (37) below sorting mechanism (43) is set, and configuration swing screening plate (44).This swing screening plate has comprised: the stream paddy plate (45) that cardinal principle is provided with in aforementioned notch board (39) below; The horizontal stripe that leaks down (46) that is provided with to the rear from aforementioned grass outlet (41) below; The lower front of horizontal stripe (46) of leaking down is provided with carries paddy plate (47); Be located at aforementioned horizontal stripe (46) the upper face side terminal of leaking down, be used to the lug (48) that decomposes the grass bits, take out grain; The screening net (49) that is connected with in the aforementioned rear end of carrying paddy plate (47) of leaking down horizontal stripe (46) below.Like this, borrow the rotation of eccentric shaft (50), make axis direction (fore-and-aft direction) swing of swing screening plate (44), the grass bits can be delivered to the rear, and make grain fall bottom along aforementioned threshing cylinder (6).

Below at swing screening plate (44) is provided with: the windmill (51) that blows screening wind to screening net (49); Accept first outlet (52) from the grain that falls of screening net (49); And accept the grain that falls from the horizontal stripe that leaks down (46) and grass mixture (i.e. second product) second export (53).By the winnow tube (16) of spiral plate shape first conveyer (54) in first outlet (52) with built-in spiral plate shape conveyer shown in Figure 8 (55), the grain that will enter in aforementioned first outlet (52) is transported to aforementioned cereal box (15) from input port, upper end (56); And by spiral plate shape second conveyer (57) and reduction conveyer (58) shown in Figure 8 in second outlet (53), second product reduction that will enter in aforementioned second outlet (53) is transported to above the horizontal stripe that leaks down (46) of aforementioned swing screening plate (44).

Left surface at aforementioned machine basket (36) is provided with feeding chain (5), and it is to carry from the next paddy stalk of aforementioned reaping part (8) harvesting along the axis direction of aforementioned threshing cylinder (6).In addition, on the rear portion of aforementioned machine basket (36), be provided with out careless chain (14), the straw grass that will come from the feeding terminal of aforementioned feeding chain (5) continues transported to the rear of machine basket (36), for this reason, the stalk of supplying with the posture of laying across from reaping part (8) cuts off discharge by the chaffcutter (13) that each chain (5), (14) drain into the rear.Simultaneously, the rear end that goes out the 4th outlet (59) of careless path (42) at formation machine basket (36) rear side is provided with the careless plate of going out of free switch (60), and the straw grass that makes the posture of laying across that is transported to out careless chain (14) terminal goes out careless plate (60) and drops in the field at machine basket (36) rear from aforementioned with dissengaged positions not.Send here and paddy stalk that continue to carry by feeding chain (5) from reaping part (8), carry out threshing by threshing cylinder, paddy stalk after the threshing promptly becomes the straw grass that will discharge, feeding terminal by feeding chain (5) continues it is carried rearwards through going out careless chain (14), fall in the field from going out careless plate (60), or by aforementioned chaffcutter (13) it is cut off the back and discharge.On the pillar (60a) that is built on the board (3), by fulcrum shaft (60b) the aforementioned careless plate (60) that goes out is installed, plate (60) and chaffcutter (13) are horizontally rotated and open it around axle (60b).

Through the grain of aforementioned drum chamber (37) threshing, fall bottom from notch board (39), enter in first outlet (52) by stream paddy plate (45) and the screening net (49) of swinging screening plate (44).Like this, the grain in first outlet (52) drops in the cereal box (15) through first conveyer (54) and the tube (16) of winnowing, and falls into 2 paddy bags from following 2 outlets that form of cereal box (15) again, in each paddy bag of packing into.A plurality of empty paddy bags are being supported with support rod hanging up, again that next paddy is packed in the outlet of cereal box (15) when the packed full grain of the paddy that is loaded on cereal box (15) outlet, load.This filling work is undertaken by standing in the operating personnel of carrying on the paddy platform (17).On the one hand, the big shelling things such as grass bits that fall from aforementioned notch board (39) are not delivered to left side process cartridge (7) through falling above the following horizontal stripe that leaks down (46) after the threshing from the mouth of processing again (61) at drum chamber (37) rear portion again; The periphery of aforesaid process cartridge (7) is equipped with helical blade, simultaneously, is provided with around the below of process cartridge (7) and handles notch board (62), and the grain of handling is again leaked down from handling notch board (62).On the other hand, by windmill (51) screening wind that blows and the swing of swinging screening plate (44), making heavier threshing object is that grain falls from horizontal stripe (46), and make big and light grass bits from horizontal stripe (46) above outside lug (48) discharge machine, consider to be worth doing with grass thereby be filtered into grain.Go up fallen second product from aforementioned horizontal stripe (46) and enter in second outlet (53), by spirality second conveyer (57) in second outlet (53), reduction be transported to horizontal stripe (46) above, screen again.

Shown in Fig. 6～11, aforementioned track frame (1) front portion is provided with gearbox body 63, be connected on the power shaft (65) of gearbox body (63) by the output shaft (64) of belt (66) aforementioned engine (21), arrive on the traveling crawler (2) by the transmission of power of gearbox body (63), drive traveling crawler (2) forward-reverse engine (21); Simultaneously, on aforementioned gearbox body (63), also be provided with harvesting driving shaft (67), and will gather in and insert in tubular rotating fulcrum axle (68) in 1 (69), at this tubular rotating fulcrum axle (68) but on free lifting reaping part (8) is being set; To gather in 1 (69) by belt (70) and be connected on the harvesting driving shaft (67), the transmission of power of engine (21) be given each drive part of reaping part (8) by gearbox body (63); In addition, will gather in 3 (72) and be connected in 1 of aforementioned harvesting (69), and will prop up axle (74) and be connected in the harvesting 3 (72) by propping up power shaft (73) by gathering in 2 (71).

And, drive aforementioned upper right quarter by aforementioned harvesting 1 (69) and carry point (28) and auxiliary carrier chain (32); Hold together belt (26,26), right carrier chain (27) and vertical carrier chain (31) and drive right 2 groups of pocket-wheels (25,25), rake by aforementioned harvesting 2 (71).In addition, blade power shaft (75) is linked in the harvesting 3 (72), when driving blade (9), also drives left 2 groups of pocket-wheels (25 by the aforementioned power shaft (73) of propping up, 25) hold together belt (26,26), left carrier chain (29) and carry point (30) with rake.Drive 4 groups and respectively prop up point (23) by the aforementioned axle (74) of propping up, by the speed of a motor vehicle tune drive power of gearbox body (63) each several part with the speed of travel and tuning speed drive reaping part (8).

In addition, be provided with screening drive case (76) in the place ahead of aforementioned sorting mechanism (43), in going up, this casing (76) is inserted with screening driving shaft (77), be connected on the screening driving shaft (77) by the output shaft (64) of belt (78) aforementioned engine (21), again by belt (79,80,81) will screen driving shaft (77) and link the each several part of sorting mechanism (43), make the swing of swing screening plate (44), drive windmill (51) and each conveyer (54,57), the threshing object that will fall threshing cylinder (6) below is separated into grain and grass bits, gathers up

grain.Belt

79,80,81 is set, and wherein belt (79) is given the windmill (51) and first conveyer (54) of being located at sorting mechanism (43) with the transmission of power of engine (21), and belt (80) is given second conveyer (57) by first conveyer (54) with transmission of power; Belt (81) is given swing screening plate (44) with the transmission of power of aforementioned conveyor apparatus (54), (57), is driven the each several part of sorting mechanism (43) like this by 3 belts (79,80,81).

Top, rear portion at aforementioned swing screening plate (44), below the 4th outlet (59), be provided with crossflow fan (82), by belt (80) this crossflow fan (82) is connected on second conveyer (57), by belt (83) chaffcutter (13) is connected on the aforementioned blower fan (82) again, by belt (83) is carried out charge and discharge operations, can load onto or take off chaffcutter (13) as required; Can give feeding chain (5) with the transmission of power of aforementioned blower fan (82) by feeding chain clutch (84) simultaneously; Grass bits and the dust of from aforementioned process cartridge (7), discharging and drain into the grass of swing screening plate (44) above the rear portion and consider to be worth doing and dust, wherein light thing is drawn outside the discharge machine by aforementioned blower fan (82), and remaining heavy grass bits are then fallen outside the machine of below from swing screening plate (44) rear end.

Shown in Fig. 8～11, right-hand member at aforementioned screening driving shaft (77) is provided with threshing input belt pulley (85), and open and establishing belt (78), simultaneously with threshing cylinder drive pulley (86) axle on aforementioned screening drive case (76), and threshing cylinder belt pulley (86) is linked on the screening driving shaft (77) by angular wheel etc.; Simultaneously, front end at the cylinder shaft (87) that supports aforementioned threshing cylinder (6) is provided with input belt pulley (88), by process cartridge input belt pulley (89), tightener sheave (90) and middle roller (91,92), becoming the tortuous threshing driving belt (93) of "＜" shape will import belt pulley (86) by the centre is connected on the threshing cylinder drive pulley (86), and the preceding feeding mouth through walking around threshing cylinder (6) the place ahead is opened (94) and is established threshing driving belt (93), engine (21) transmission of power is arrived threshing cylinder (6), make threshing cylinder (6) rotation, carry out threshing; Be located on the reaping part (8) of body front side with supporting and carry the conveying mechanism of receiving harvested cereal culm (90) of the posture of laying across cutting off the blade (9) of not receiving the harvested cereal culm root; And threshing cylinder (6) and sorting mechanism (43) are located in the threshing portion (4) of body rear side, wherein threshing cylinder (6) carries out threshing to the paddy stalk of supplying with from aforementioned reaping part (8), sorting mechanism (43) then is that the grain in the threshing object of the below of falling threshing cylinder (6) is implemented to separate with the grass bits, and discharges.On this combine, be provided with process cartridge (7), be used for the threshing object at aforementioned threshing cylinder (6) rear portion is carried and threshing again; Process cartridge (7) is attached on the belt (93) that drives aforementioned threshing cylinder (6), the driving belt (93) by threshing cylinder (6) with transmission of power to process cartridge (7), in the hope of the simplification of process cartridge (7) drives structure and the reduction of manufacturing cost.

Be provided with screening input belt pulley (95) at aforementioned screening driving shaft (77) left end, go up to open at this belt pulley (95) and establishing aforementioned belt (79), to drive the each several part of sorting mechanism (43).In addition, fixing bearing box (96) in aforementioned machine basket (36) front panel front, and with aforementioned belt pulley (89) and roller (91,92) earth's axis free to rotate is propped up in aforementioned bearings box (96), and process cartridge power shaft (97) rear end that will be provided with aforementioned belt pulley (89) protrudes in the back of machine basket (36) front panel, simultaneously, on the back of machine basket (36) front panel, fixing small-sized chain cover (98), by the sprocket wheel (99 that in this chain cover (98), is provided with, 100) with chain (101), aforementioned power shaft (97) is connected on the process cartridge axle (102) that is supporting process cartridge (7), engine (21) told the driving force of threshing cylinder (6) pass to process cartridge (7), make the process cartridge rotation, carry out threshing again.The chain cover (98) that belt (93) is connected in process cartridge (7) is set, and only need append aforementioned chain cover (98) can install, drive process cartridge (7), and also can take off chain cover (98) in the lump when taking off process cartridge (7).

Get off again, as Figure 12～15 and shown in Figure 25, machine basket (36) right side in aforementioned threshing portion (4) is provided with process cartridge cover (103), in this cover (103), propping up aforementioned processing tube (7) by process cartridge axle (102) earth's axis free to rotate, by handling mouthful (61) again front portion cover (103) inboard is connected with the right side, rear portion of aforementioned drum chamber (37) again, with the threshing object at threshing cylinder (6) the rear portion mixture of grain (grass with) from handling the front portion that mouthful (61) deliver to process cartridge (7) again, reeled in a spiral vane (105) spirality ground again be fixed in process cartridge (7) periphery the front portion to the rear portion, and roughly equally spaced fixing a plurality of projections (104) on the spiral vane (105).Fixing 4 spider vanes (106) in process cartridge (7) rear end.On one side by the mobile threshing object of spiral vane (105), Yi Bian grain is leaked down from handling notch board (62); By spider vane (106), will carry out the remaining grass bits of threshing again to threshing object from the discharge port (107) of aforementioned cover (103) rear side and discharge; Because covering of spiral vane, threshing object is got off from the abatement of wind that threshing cylinder (6) is transported to process cartridge (7), simultaneously, owing to threshing object is transplanted on the rear of process cartridge (7) rapidly by spiral vane (105), and guarantee residue grain is taken out, can make the threshing ability again of process cartridge (7) be improved.

In addition, as shown in figure 15, in the careless bits amount of the little leakage of mesh few aforementioned processing notch board (62) and the fine notch board (108) that leaks down to regain of the big grain energy of mesh, can freely select a kind of downside that is installed on process cartridge (7) with exchanging, according to the proterties of the grain of gathering in the crops rice or wheat, use respectively and handle notch board (62) or notch board (108); Simultaneously, as shown in figure 12, the grain sack (109) that the grain of threshing portion (4) collection will be housed is hung up by grain sack support rod (110), and on the paddy platform (17) aforementioned grain sack support rod (110) can be installed with freely installing and removing carrying of threshing portion (4) side, running through grain sack support rod (110), be hung on after grain sack support rod (110) goes up at grain sack (109) inlet side at a plurality of empty grain sacks (109), grain sack support rod (110) is installed on the top of carrying paddy platform (17) in threshing portion (4) outside, can replenish grain sack (109) at short notice, and easy and simple to handle.

Shown in Figure 13,16, the top within the left and right sides width of swing screening plate (44) is installed with aforementioned crossflow fan (82), and this blower fan (82) also is the top, sorting mechanism (43) rear portion that is configured in process cartridge (7) rear portion one side simultaneously.Crossflow fan (82) sucks from the dust of process cartridge (7) discharge and considers to be worth doing with careless bits and from dust and grass that sorting mechanism (43) is discharged, and it is drained into outside the machine; The dust that the dust that the threshing again of process cartridge (7) can be produced by crossflow fan produces when separating grain with grass bits and sorting mechanism drains into outside the machine with the grass bits, it is removed rapidly, thereby the dust in the grain of sneaking into threshing portion (4) collection is reduced with careless amount of considering to be worth doing.Fix supporting plate (111) at the left surface of aforementioned machine basket (36), and will open the machine lateral surface that the transmission case body (112) of establishing feeding chain (5) and belt (80,83) is installed on supporting plate (111); The left surface that will be covered with crossflow fan (82) left side and top main cover (113) is fixed in the machine medial surface of supporting plate (111), and the right side cover (114) that will cover aforementioned blower fan (82) right side covers (113) right-hand member with the master and links to each other; The two ends, the left and right sides that will cover the following following cover (115) of aforementioned blower fan (82) are connected in the left surface and right cover (114) of main cover (113); Crossflow fan (82) is being installed in the inside that each cover (113,114,115) is surrounded.Each cover (113,114,115) that fuses is connected on the supporting plate (111) with bolt (116), becomes the cantilever support state that can freely install and remove; The two ends, the left and right sides of aforementioned blower fan (82) earth's axis Zhi Yuzhu cover free to rotate (113) left surface is covered on (114) with right; The grass bits that suck from aforementioned blower fan (82) the place ahead are rearward discharged with dust.

As Figure 17, shown in Figure 180, formed front and back a pair of funnel (117,117) in the bottom of aforementioned cereal box (15), the top of each funnel (117,117) is connected, and roughly disposes the input port (56), tube (16) upper end of winnowing at central part.Grain is delivered to each funnel (117 from this input port (56), 117), simultaneously, at each funnel (117,117) front and back lateral surface is fixed with erecting bed (118,118), cereal box (15) can be supported on with freely installing and removing the top of carrying paddy platform (17) in threshing portion (4) outside by erecting bed (118,118); Outlet (119,119) in each funnel (117,117) bottom is being hung aforementioned grain sack (109,109), makes grain flow into two grain sacks (109,109).In addition, on aforementioned cereal box (15), can fix top panel (120) with freely installing and removing.Can take off top panel (120), case inside is cleaned; Top, front at each funnel (117,117) is provided with window (121,121), and operating personnel can be from the residual condition of the inner grain of window (121,121) Visual Confirmation funnel (117,117).

Figure 19 shows that the variation of above-mentioned Fig. 8.As shown in figure 26, by reduction gearing (122) cylinder shaft (87) is connected in threshing cylinder drive pulley (88), by gear (122) rotation of aforementioned belt pulley (88) is slowed down, drive threshing cylinder (6), simultaneously, process cartridge is imported belt pulley (89) be fixed on the process cartridge axle (102), chain cover (98) and sprocket wheel (99,100) and the chain (101) shown in not on Fig. 8; The reduction gearing (122) that connects belt (93) is set on threshing cylinder (6), to be suitable for the speed drive belt (93) of process cartridge (7) rotation, the power of belt (93) is reached threshing cylinder (6) after slowing down, so both can reduce the power loss of belt (93), and can drive threshing cylinder (6) with bigger moment.

Figure 20 is the variation of above-mentioned Figure 16.Connect by bolt (124), Blower Housing (123) can freely be fixed in the machine medial surface of supporting plate (111) with installing and removing, have in the one-sided dust suction and exhausting fan (126) of 4 blades (125) and be located in the Blower Housing (123).The blower fan axle (127) that axle props up on transmission case body (112) is supporting blower fan (126).Suction inlet (128) by Blower Housing (123) right side sucks grass bits and dust from blower fan (126) right side; Outlet (129) by Blower Housing (123) rear side is rearward discharged grass bits and dust from blower fan (126) rear side.The crossflow fan of Figure 16 (82) and each cover (113,114,115) constitute a unit, can freely exchange with aforementioned blower fan (126) and Blower Housing (123), thereby can select to install any in blower fan (82) and (126).

As shown in figure 21, by drive sprocket (131) and roller (132) aforementioned feeding chain (5) is opened and to be located on the guide rail component (130), simultaneously threshing side plate (36a), supporting plate (111) and transmission case body (112) are fixed on the guide rail component (130) together; Be connected on the pillar (133) of machine basket (36) by the rear end of fulcrum shaft (134) guide rail component (130), guide rail component (130) is horizontally rotated around the longitudinal axis core of fulcrum shaft (134), feeding chain (5) and blower fan (82) are moved horizontally to the machine outside, open the left surface of threshing portion (4), open the last left side of face of drum chamber (37) and sorting mechanism (43), work such as can clear away.In addition, the front end of demarcation strip (136) is connected in the space bar (40) of drum chamber (37) rear side, and is separated out space between process cartridge (7) left side and blower fan (82) right side by demarcation strip (136); Simultaneously, as shown in figure 22, be provided with the second reduction conveyer (137), be used for second product of second conveyer (57) is turned back to above the swing screening plate (44), this second reduction conveyer (137) is made of cylinder (138) and spiral organ (139).The external diameter that second product that is arranged on conveyer (137) is sent the plectane (141) of mouthful (140) is done must be bigger than the external diameter of spiral organ (139).

From the above, the guide rail component (130) of the feeding chain (5) of being located at threshing portion (4) one sides is installed on the machine, it can freely rotate around fulcrum shaft (134) level, and feeding chain (5) is rotated to a side, can carry out cleaning works to threshing portion (4) inside; And, can under being installed on state on the guide rail component (130), feeding chain (5) install and remove.In addition, go up the grass bits of installation discharge sorting mechanism (43) and the crossflow fan (82) of dust at guide rail component (130), by the rotation of feeding chain (5) to a side, crossflow fan (82) also can be shifted out outside the machine, aforementioned blower fan (82) and sorting mechanism (43) are carried out cleaning works.

In addition, supporting plate (111) is installed on guide rail component (130), any in crossflow fan (82) or the one-sided dust suction and exhausting fan (126) can be installed on supporting plate (111) with freely exchanging, thereby can shared aforementioned supporting plate (111), select to install crossflow fan (82) or one-sided dust suction and exhausting fan (126), simply carry out aforementioned each blower fan (82,126) pattern conversion, by each blower fan (82,126) selection is installed and can be made screening dust discharge function improve, the dismounting of saving blower fan (82,126) can make manufacturing cost be minimized.Simultaneously, be provided with the drive sprocket (131) of feeding chain (5) in guide rail component (130) rear end that connects fulcrum shaft (134), thereby can near fulcrum shaft (134), carry out the transmission of power of aforementioned sprocket wheel (131), by with the transmission case body (112) of other dual-purposes, sprocket wheel (131) can be installed at an easy rate; By rear input driving force, can carry stalk reposefully in feeding chain (5) tensioning one side.

Shown in Figure 23,24, on aforementioned separator plate (40), fixing belt housing (142), downside with cover (142) sealing belt (143) is wound on the belt (143) to prevent the straw grass, and this belt (143) will go out the rear end that careless chain (14) is connected in cylinder shaft (87); On the anti-roll careless plate (144) that is disposed at threshing cylinder (6) back, be provided with simultaneously the anti-grass rod (145) that twines.The grain ear head of extracting from threshing cylinder (6) is moved by aforementioned rod (145) guiding, the unfavorable condition that the grain ear head is reeled can not occur at the rear portion of threshing cylinder (6), and simultaneously, residual grain carries out threshing by aforementioned rod (145) in the grain ear head.

From the foregoing description as can be known, in combine of the present invention, reaping part (8) in the body front side is provided with blade (9) and conveying mechanism (10), and blade (9) is used to cut off the not root of the paddy stalk of harvesting, and conveying mechanism (10) is used for supporting the paddy stalk that cuts off with conveying with the posture of laying across; Threshing portion (4) at the body rear side is provided with threshing cylinder (6) and sorting mechanism (43) simultaneously, threshing cylinder (6) carries out threshing to the paddy stalk of supplying with from aforementioned reaping part (8), and sorting mechanism (43) then is used for separating and takes out the grain and grass bits in the threshing object of falling threshing cylinder (6) below.In addition, the guide rail component (130) of being located at the feeding chain (5) of threshing portion (4) one sides can freely rotate around fulcrum shaft (134) level, when forwarding feeding chain (5) to a side, can easily clean the inside of threshing portion (4); Can under being installed on the state of guide rail component (130), feeding chain (5) install and remove simultaneously it.

In addition, the grass bits that will be used to eject self-sizing mechanism (43) are installed in guide rail component (130) with the crossflow fan (82) of dust, because feeding chain (5) rotates to a side, crossflow fan (82) also moves on to outside the machine, so can clean aforementioned blower fan (82) and sorting mechanism (43) at an easy rate.

At guide rail component (130) supporting plate (111) go up to be installed, and can be freely on supporting plate a kind of in installation crossflow fan (82) or the one-sided dust suction and exhausting fan (126) with exchanging.Because can shared aforementioned supporting plate (111), select to install crossflow fan (82) or one-sided dust suction and exhausting fan (126), so can change the pattern of aforementioned each blower fan (82) or blower fan (126) at an easy rate, thereby can be easily by selecting to install blower fan (82,126) improve the dust discharge function, or reduce manufacturing cost because of the dismounting of having omitted blower fan (82,126).

In addition, owing to be provided with the drive sprocket (131) of feeding chain (5) in guide rail component (130) rear end that connects fulcrum shaft (134), the transmission of power of aforementioned sprocket wheel (131) is carried out near fulcrum shaft (134), thereby can be at an easy rate by with the transmission case body (112) of other dual-purposes sprocket wheel (131) being installed, feeding chain (5) also can be carried stalk very reposefully.

Inside in the board of installing threshing portion (4) (3), the fuel tank (21a) of engine (21) is installed, to be used for the fuel oil filter (21b) of the fuel supply engine (21) of this fuel tank (21a) is arranged at the top of carrying paddy platform (17) of threshing portion (4) simultaneously, thereby, operating personnel stand in to be carried on the paddy platform (17) and can change fuel oil filter (21b), and, even large-scale fuel oil filter also can guarantee to have enough big installing space.

Also have, on combine of the present invention, reaping part (8) in the body front side is provided with blade (9) and conveying mechanism (10), and this blade (9) is used to cut off the not paddy stalk root of harvesting, and conveying mechanism (10) is used for supporting and carry the paddy stalk of cutting off with the posture of laying across; Threshing portion (4) at the body rear side is provided with threshing cylinder (6) and sorting mechanism (43), threshing cylinder (6) carries out threshing to the paddy stalk of supplying with from aforementioned reaping part (8), and sorting mechanism (43) is used for separating the grain and grass bits that takes out in the threshing object of falling threshing cylinder (6) below.Also be provided with on the machine threshing object at aforementioned threshing cylinder (6) rear portion is carried and the process cartridge (7) of threshing again, process cartridge (7) is connected in the belt (93) that drives aforementioned threshing cylinder (6), owing to be that driving belt (93) by threshing cylinder (6) is to process cartridge (7) transferring power, so can simplify the drives structure of process cartridge (7) at an easy rate, reduce manufacturing cost.

In addition,, can install and drive process cartridge (7), simultaneously, also can take off chain cover (98) when taking off process cartridge (7) so only need append this chain cover (98) owing to be provided with the chain cover (98) that process cartridge (7) is connected in belt (93).

Owing to be provided with the reduction gearing (122) that threshing cylinder (6) is connected in belt (93), so can be to be fit to being delivered to threshing cylinder (6) behind speed drive belt (93) that process cartridge (7) rotates and the dynamic retarding with belt (93), thereby can reduce the power loss of belt (93), and can drive threshing cylinder (6) with bigger moment.

In addition, on the anti-roll careless plate (144) of the back that is disposed at threshing cylinder (6), be provided with the anti-grass rod (145) that twines, the grain ear head of pulling up from threshing cylinder (6) is moved by aforementioned rod (145) guiding, the unfavorable condition that the grain ear head is reeled can not occur at the rear portion of threshing cylinder (6), residual grain can carry out threshing by aforementioned rod (145) in the grain ear head simultaneously.

Claims

1. combine, the reaping part in its body front side is provided with blade and conveying mechanism, and blade is used for cutting off the not paddy pole-footing portion of harvesting, and conveying mechanism is used for the posture supporting of laying across and carries harvested paddy bar; Simultaneously, be provided with threshing cylinder and sorting mechanism in the threshing portion of body rear side, threshing cylinder is used for to carrying out threshing from above-mentioned reaping part for the paddy bar that comes, and the grain that sorting mechanism is used for separating and takes out in the threshing object of falling the threshing cylinder below is considered to be worth doing with grass; It is characterized in that having:

Process cartridge, this process cartridge have the process cartridge axle along the car body fore-and-aft direction, are configured to the threshing object at above-mentioned threshing cylinder rear portion is supplied to the front portion;

Crossflow fan, this crossflow fan are configured in the position at the close rear portion of above-mentioned process cartridge above the rear portion of above-mentioned sorting mechanism;

Above-mentioned process cartridge has the spider vane of roughly equally spaced having fixed the spiral vane of a plurality of projections and being arranged on this spiral vane rear for being arranged on the spiral spiral vane of a slice on the outer peripheral face from the front portion until the rear portion,

Above-mentioned crossflow fan can suck the dust of being sent by above-mentioned sorting mechanism and above-mentioned process cartridge and grass bits, and it is discharged to the car body rear, and rotating shaft is along the width of vehicle.

2. combine as claimed in claim 1 is characterized in that having:

Be installed in the supporting plate on the machine basket left surface of above-mentioned threshing portion;

The main cover of inner face in the machine that is fixed on above-mentioned shaft bearing plate with the left side that covers above-mentioned crossflow fan and top mode;

With right side mode and the above-mentioned main right side cover that links that covers that covers above-mentioned crossflow fan;

In the following mode and above-mentioned main cover and the above-mentioned right following cover that links that covers that covers above-mentioned crossflow fan,

Above-mentioned cross flow fan can be supported on the left surface and above-mentioned right cover of above-mentioned main cover by axle with rotating freely.