CN209659954U

CN209659954U - A kind of cassava combine harvester

Info

Publication number: CN209659954U
Application number: CN201822250253.0U
Authority: CN
Inventors: 李国杰; 邓干然; 吴洪珠; 郑爽; 崔振德; 李玲; 何冯光; 周围
Original assignee: QINGDAO HONGZHU AGRICULTURAL MACHINERY CO Ltd; Institute of Agricultural Machinery of CATAS
Current assignee: QINGDAO HONGZHU AGRICULTURAL MACHINERY CO Ltd; Institute of Agricultural Machinery of CATAS
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-11-22
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a kind of cassava combine harvesters, including excavating gear, vibratory feed, device for discharging and transmission mechanism, excavating gear, vibratory feed and the device for discharging is sequentially arranged in rack from front to back, bottom of the frame is equipped with rotation land wheel, front end is equipped with hitch frame, the upside of hitch frame is equipped with transmission mechanism, is additionally provided with cutting disc in rack on front side of the excavating gear.The utility model has automatic cutting soil and weeds, loose rear excavation, and carrying out vibration during transportation is sufficiently separated soil with cassava, and automatic unloading cassava etc., time saving and energy saving, greatly improves work efficiency.

Description

A kind of cassava combine harvester

Technical field

The utility model relates to a kind of agricultural machinery, specifically a kind of cassava combine harvester.

Background technique

The planting scale of China cassava constantly expands, but its mechanized harvest level is scarce very low, most of to make by artificial Industry is completed, and a small number of areas realize semimechanized cassava harvest, large labor intensity, high production cost.For current China's wood The problems such as potato Mechanization Level is low, it is time-consuming and laborious manually to harvest, low efficiency designs a kind of cassava harvester that work efficiency is high.

Chinese patent 201610419084.1 discloses a kind of cassava harvester, and front longitudinal beam front end is provided with forced conveyance Wheel, forced conveyance wheel are connected by clamping band, belt wheel with motor, and motor is connected by hydraulic pump with hydraulic motor, are clamped Tail, which is additionally provided with, cuts potato knife, and forced conveyance wheel down either side is provided with digger blade, and digger blade passes through gauge wheel and hydraulic cylinder Be connected, hydraulic cylinder is fixed with body, cut and be provided with native potato separator below potato knife, native potato separator pass through main shaft, Speed changer is connected with potato wedge transport device, and potato wedge transport device is connected with potato wedge case, is provided with driver's cabin, rack on front side of potato wedge case Bottom is provided with crawler body, which can disposably complete cassava and excavate, clamp conveying, the separation of potato stem and go native collection Etc. processes；Excavating resistance can be effectively reduced in gripping conveyor structure, reduce machine power requirement；Harvest process consumes manually less, Significantly improve production efficiency.Disadvantage is: when 1. digger blades work, the resistance being subject to is big, can not good chesson；2. In addition the cassava for being accompanied with soil is only directly transported in potato wedge case by cassava block conveying device；3. cassava collecting box can not live It is dynamic, after cassava harvester power cut-off, it is desired nonetheless to manually go to take out cassava from collecting box, there is no automatic unloading function Energy；4. clamping action only adapts to sandy loam, and the feature easy to harden for Southern Red Soil clay, it is easy to appear in clamping process Disconnected potato situation, loss late is high, reduces machine practicability.

Utility model content

In order to overcome the shortcomings of the prior art described above, the utility model provides a kind of cassava combine harvester, tool Have automatic cutting soil, it is loose after excavate, carrying out vibration during transportation makes being sufficiently separated for soil and cassava, and automatic Cassava etc. is unloaded, it is time saving and energy saving, it greatly improves work efficiency.

The technical solution of the utility model is:

A kind of cassava combine harvester, including excavating gear, vibratory feed, device for discharging and transmission mechanism, it is described Excavating gear, vibratory feed and device for discharging be sequentially arranged in rack from front to back, bottom of the frame be equipped with rotationally Wheel, front end are equipped with hitch frame, and the upside of hitch frame is equipped with transmission mechanism, is additionally provided with and cuts in rack on front side of the excavating gear Disk.

The excavating gear, by digger blade, transition plates, oscillating rod and eccentric group at the both sides of the digger blade It is respectively arranged with mounting ear, the middle part of mounting ear is mounted on the rack by movable axis, and the top of mounting ear then passes through swinging axle It is connect with oscillating rod one end, the other end of oscillating rod is provided with eccentric bushing, passes through eccentric wheel and rotation axis connection in eccentric bushing, turns Moving axis connect on the rack, the digger blade be 65Mn modifier treatment steel plate materials be made, outside be in upside-down mounting W character form structure, inside is provided with transition plates, and transition plates is towards vibratory feed.

The vibratory feed, including the support of delivery sieve, first-level transport frame, two-stage conveying frame, hydraulic cylinder, delivery sieve Axis, first-level transport vibrating shaft, two-stage conveying rotary shaft and three-level convey rotary shaft, the delivery sieve support shaft, first-level transport Vibrating shaft passes through bearing respectively, and direction is successively spaced on the first-level transport frame for being mounted on rack from front to back, the installation of first-level transport frame In frame front, the two-stage conveying frame is connected to first-level transport frame rear end, two-stage conveying by two-stage conveying rotary shaft Rotary shaft, three-level conveying rotary shaft are separately mounted in the front-rear position of two-stage conveying frame, and the delivery sieve is wound around conveying It sieves in support shaft, first-level transport vibrating shaft, two-stage conveying rotary shaft and three-level conveying rotary shaft, the two sides edge of delivery sieve is depended on On the rolling barrel on the inside of rack, driving plum blossom rubber tire is uniformly installed in the three-level conveying rotary shaft, drives plum blossom Rubber tire is contacted with the lateral net bar of delivery sieve, drives delivery sieve operation, the first-level transport vibrating shaft by driving plum blossom rubber tire Both ends are separately installed with the 4th drive sprocket, are uniformly equipped with ellipse on the first-level transport vibrating shaft on the inside of the 4th drive sprocket Vibrating wheels, first-level transport vibrating shaft by ellipse vibrating wheels contacted with delivery sieve, the two-stage conveying frame upper cross The connection of one end of bar and hydraulic cylinder, the other end of hydraulic cylinder and the bracket on the upside of rack connect.

The device for discharging, including cassava dump skip, lifting hydraulic cylinder and hopper support frame, the cassava dump skip Side is provided with setting wall, and the two sides for erectting wall are respectively equipped with lifting hydraulic cylinder, one end of lifting hydraulic cylinder and setting wall activity Connection, the other end are connect with hopper support frame, and the hopper support frame is arranged in rack side, and cassava dump skip is propped up in machine On frame, the setting wall and hopper support frame of cassava dump skip mutually by patch, are erect wall top end and are connected by horizontal axis and hopper support frame It connects.

The transmission mechanism, including driving universal joint, Cardan shaft, the first driving chain, the second driving chain, Third driving chain, the first drive sprocket, the second transmission gear, third drive sprocket, the 4th drive sprocket, the 5th transmission chain Wheel, the 6th drive sprocket, the 7th drive sprocket, the 8th drive sprocket and the 9th transmission gear, first drive sprocket with 9th transmission gear is separately mounted to the both ends of Cardan shaft, the installation of the second transmission gear on the rotating shaft, and third passes Movable sprocket is mounted on the axis of rack, and the 4th drive sprocket, the 5th drive sprocket are separately mounted to first-level transport vibrating shaft two End, the 6th drive sprocket, the 7th drive sprocket are separately mounted in two-stage conveying rotary shaft, and the 8th drive sprocket is mounted on three Grade conveying rotating shaft terminal, first driving chain are connected to the first drive sprocket, third drive sprocket, the 4th transmission chain On wheel, the 9th transmission gear is meshed with the second transmission gear, and the second driving chain is connected to the 5th drive sprocket, the 6th transmission On sprocket wheel, third driving chain is connected to the 7th drive sprocket, on the 8th drive sprocket, and the driving universal joint passes through speed change Case and cardan drive axis connection, driving universal joint are connected with the power device of tractor, and tractor dynamic power device, which drives, to be passed Dynamic universal joint rotation, driving universal joint drive Cardan shaft to rotate by gearbox, and Cardan shaft is passed by the 9th Moving gear drives the rotation of the second transmission gear, and then runs with movable eccentric wheel, while Cardan shaft passes through the first transmission chain Wheel drives the first driving chain respectively and then drives the second driving chain, the operation of third driving chain, the first transmission chain step by step Item, the second driving chain, third driving chain drive corresponding device to run respectively.

Driving chain, drive sprocket and the transmission gear is equipped with two sets, is separately mounted to the two sides of rack.

The utility model has the beneficial effects that:

1. the working method of digger blade is constantly to vibrate while excavation to reduce excavating resistance, chesson, after being convenient for The conveying and harvest of continuous cassava.

2. the working method of cassava carrier chain row is vibration, screening, conveying, and the cassava for being mingled with a large amount of soil is passed through In the upper different vibration of carrier chain row, the separation of soil, cassava is carried out, is sieved by two-stage, is gradually disengaged completely, leaves behind wood Potato is finally delivered to cassava dump skip.

3. cassava dump skip reduces artificial pickup cassava and car loading operation link by automatic discharging.

4. the utility model fully achieves the pipeline system operation of mechanization, cassava is realized in the automatic digging in field Pick, mud and potato are automatically separated the harvest operations such as conveying and automatic discharging entrucking.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the explosive view of the utility model；

Fig. 3 is the transmission mechanism schematic diagram of the utility model；

Fig. 4 is the side view of the utility model；

Fig. 5 is the conveying device and oscillating rod explosive view of the utility model；

Fig. 6 is the A partial enlarged view of Fig. 4；

Fig. 7 is the driving gear installation structure schematic diagram of the utility model；

Fig. 8 is the first driving chain mounting structure schematic diagram of the utility model.

In figure: 1 rack, 2 rotation land wheels, 3 hitch frames, 4 digger blades, 5 transition platess, 6 oscillating rods, 7 eccentric wheels, 8 movable axis, 9 swinging axles, 10 rotation axis, 11 delivery sieves, 12 first-level transport framves, 13 two-stage conveying framves, 14 hydraulic cylinders, 15 delivery sieve support shafts, 16 first-level transport vibrating shafts, 17 two-stage conveying rotary shafts, 18 three-levels conveying rotary shaft, 19 driving plum blossom rubber tires, 20 vibrating wheels, 21 Cross bar, 22 brackets, 23 cassava dump skips, 24 lifting hydraulic cylinders, 25 hopper support framves, 26 setting walls, 27 horizontal axis, 28 transmissions are universal Section, 29 Cardan shafts, 30 first driving chains, 31 second driving chains, 32 third driving chains, 33 first transmission chains Wheel, 34 second transmission gears, 35 third drive sprockets, 36 the 4th drive sprockets, 37 the 5th drive sprockets, 38 the 6th transmission chains Wheel, 39 the 7th drive sprockets, 40 the 8th drive sprockets, 41 the 9th transmission gears, 42 gearboxes, 43 cutting discs.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing and specific embodiment.

As shown in Fig. 1 to Fig. 8 a kind of cassava combine harvester, including excavating gear, vibratory feed, device for discharging and Transmission mechanism, the excavating gear, vibratory feed and device for discharging are sequentially arranged at from front to back in rack 1, rack 1 Bottom is equipped with rotation land wheel 2, and front end is equipped with hitch frame 3, and the upside of hitch frame 3 is equipped with transmission mechanism, before the excavating gear Cutting disc 43 is additionally provided on side frame 1.

As shown in Fig. 1 to 5, the excavating gear is made of, institute digger blade 4, transition plates 5, oscillating rod 6 and eccentric wheel 7 The both sides for the digger blade 4 stated are respectively arranged with mounting ear, and the middle part of mounting ear is mounted in rack 1 by movable axis 8, mounting ear Top then pass through swinging axle 9 and connect with 6 one end of oscillating rod, the other end of oscillating rod 6 is provided with eccentric bushing, passes through in eccentric bushing Eccentric wheel 7 is connect with rotation axis 10, and rotation axis 10 is connected in rack 1, and eccentric wheel 7 drives digger blade 4 continuous by oscillating rod 6 The root for going deep into cassava while vibration carries out vibration excavation, and to reach optimal mining effect, the digger blade 4 is 65Mn The steel plate materials of modifier treatment are made, outside be in upside-down mounting w character form structure, can be big for viscosity, it is easy to harden Soil is continuously excavated, and reduces excavating resistance etc., and inside is provided with transition plates 5, transition plates 5 towards vibratory feed, Digger blade 4 enters the cassava excavated in vibratory feed by transition plates 5.

As shown in Fig. 1 to 7, the vibratory feed, including delivery sieve 11, first-level transport frame 12, two-stage conveying frame 13, hydraulic cylinder 14, delivery sieve support shaft 15, first-level transport vibrating shaft 16, two-stage conveying rotary shaft 17 and three-level convey rotary shaft 18, by bearing, direction is successively spaced installation from front to back respectively for the delivery sieve support shaft 15, first-level transport vibrating shaft 16 On the first-level transport frame 12 of rack 1, first-level transport frame 12 is mounted on 1 front of rack, and the two-stage conveying frame 13 passes through two Grade conveying rotary shaft 17 is connected to 12 rear end of first-level transport frame, and two-stage conveying rotary shaft 17, three-level conveying rotary shaft 18 are distinguished It is mounted in the front-rear position of two-stage conveying frame 13, the delivery sieve 11 is wound around delivery sieve support shaft 15, first-level transport vibration In moving axis 16, two-stage conveying rotary shaft 17 and three-level conveying rotary shaft 18, the two sides edge of delivery sieve 11 is depended in 1 inside of rack Rolling barrel on, driving plum blossom rubber tire 19 is uniformly installed in the described three-level conveying rotary shaft 18, drives plum blossom rubber tire 19 It is contacted with the lateral net bar of delivery sieve 11, drives delivery sieve 11 to run by driving plum blossom rubber tire 19, the first-level transport vibration 16 both ends of axis are separately installed with the 4th drive sprocket 36, uniformly pacify on the first-level transport vibrating shaft 16 of 36 inside of the 4th drive sprocket Vibrating wheels 20 equipped with ellipse, first-level transport vibrating shaft 16 are contacted by the vibrating wheels 20 of ellipse with delivery sieve 11, oval It fluctuates the effect for making delivery sieve 11 generate vibrating transportation by height flighting schedule when the vibrating wheels 20 of shape rotate to act on, from mistake The cassava on delivery sieve 11 is entered on cab apron 5 under the vibrating transportation of delivery sieve 11, simultaneously by the soil adhered on cassava shake It is fallen from the areola of delivery sieve 11, thus soil is removed from cassava completely, it is described to achieve the effect that clean cassava 13 upside cross bar 21 of two-stage conveying frame connect with one end of hydraulic cylinder 14, the branch of 1 upside of the other end of hydraulic cylinder 14 and rack Frame 22 connects, and two-stage conveying frame 13 is axle center with two-stage conveying rotary shaft 17, and the rear end for being able to drive two-stage conveying frame 13 is risen, After 13 rear end of two-stage conveying frame folds raising, space is conceded for the discharging of cassava dump skip 23.

As shown in Fig. 1,2,3,4 and 5, the device for discharging, including cassava dump skip 23, lifting hydraulic cylinder 24 and hopper Support frame 25,23 side of cassava dump skip, which is provided with, erects wall 26, and the two sides for erectting wall 26 are respectively equipped with raise-lower hydraulic Cylinder 24, one end of lifting hydraulic cylinder 24 are flexibly connected with wall 26 is erect, and the other end is connect with hopper support frame 25, the hopper Support frame 25 is arranged in 1 side of rack, and cassava dump skip 23 props up in rack 1, the setting wall 26 and material of cassava dump skip 23 Support frame 25 struggle against mutually by patch, erects 26 top of wall and is connect by horizontal axis 27 with hopper support frame 25, at 24 liters of lifting hydraulic cylinder When playing 23 discharging of cassava dump skip, cassava dump skip 23 is turning-over support with horizontal axis 27, and the cassava dump skip 23 of rise is from setting The top batch turning of wall 26, ten thousand are convenient for pouring into cassava materials in the compartment of cassava carrier.

As shown in Fig. 1,2,3,4,5 and 8, the transmission mechanism, including driving universal joint 28, Cardan shaft 29, First driving chain 30, the second driving chain 31, third driving chain 32, the first drive sprocket 33, the second transmission gear 34, Three drive sprockets 35, the 4th drive sprocket 36, the 5th drive sprocket 37, the 6th drive sprocket 38, the 7th drive sprocket the 39, the 8th Drive sprocket 40 and the 9th transmission gear 41, first drive sprocket 33 and the 9th transmission gear 41 are separately mounted to ten thousand It is mounted in rotation axis 10 to the both ends of section transmission shaft 29, the second transmission gear 34, third drive sprocket 35 is mounted on rack 1 On axis, the 4th drive sprocket 36, the 5th drive sprocket 37 are separately mounted to 16 both ends of first-level transport vibrating shaft, the 6th transmission chain The 38, the 7th drive sprocket 39 of wheel is separately mounted in two-stage conveying rotary shaft 17, and it is defeated that the 8th drive sprocket 40 is mounted on three-level Send rotary shaft 18 both ends, first driving chain 30 is connected to the first drive sprocket 33, third drive sprocket the 35, the 4th passes On movable sprocket 36, the 9th transmission gear 41 is meshed with the second transmission gear 34, and the second driving chain 31 is connected to the 5th transmission On sprocket wheel 37, the 6th drive sprocket 38, third driving chain 32 is connected to the 7th drive sprocket 39, on the 8th drive sprocket 40, The driving universal joint 28 is connect by gearbox 42 with Cardan shaft 29, the power of driving universal joint 28 and tractor Device is connected, and tractor dynamic power device drives driving universal joint 28 to rotate, and driving universal joint 28 drives ten thousand by gearbox 42 It is rotated to section transmission shaft 29, Cardan shaft 29 drives the rotation of the second transmission gear 34 by the 9th transmission gear 41, in turn Band movable eccentric wheel 7 run, while Cardan shaft 29 by the first drive sprocket 33 drive respectively the first driving chain 30, into And the second driving chain 31, third driving chain 32 is driven to run step by step, the first driving chain 30, the second driving chain 31, the Three driving chains 32 drive corresponding device to run respectively.

Driving chain, drive sprocket and the transmission gear is equipped with two sets, is separately mounted to the two sides of rack 1.

Working principle:

Tractor is connect by the side pull rod of rear end with the hitch frame 3 of 1 front end of rack, and tractor dynamic power device passes through transmission Universal joint 28 is transmitted to gearbox 42, and digger blade 4 reduces the excavation mode pair of resistance under the drive of gearbox 42 by vibration Cassava is excavated, and the cassava excavated is transported on delivery sieve 11, by cassava transition plates 5 in first-level transport vibrating shaft 16 Under the action of the cassava on delivery sieve 11 carried out to native potato separation by way of vibration, the cassava after native potato separation is transported to Cassava dump skip 23, by tractor hydraulic device band hydrodynamic cylinder pressure 14, rises two-stage conveying after cassava dump skip 23 is filled 13 rear end of frame could rise cassava dump skip 23 and unload cassava so that cassava slides to cassava carrier compartment, complete At the harvest process of cassava.

It is easy hardened situation for southern red soil, cutting disc 43 gos deep into soil, and leading in tractor by the weight of itself Draw in moving forwards and longitudinally cutting effect is carried out to soil, after cutting off soil, to reduce soil to the resistance of digger blade 4, is convenient for It excavates, while cutting disc 43 reduces the effect of advance resistance with chaffcutter.

It is described above by example, but the utility model is not limited to particular form disclosed above, it should be understood that, this All deformations or replacement of the technical staff in field to technical solutions of the utility model, all without departing from the utility model technical side The spirit and scope of case.

Claims

1. a kind of cassava combine harvester, it is characterised in that: including excavating gear, vibratory feed, device for discharging and transmission Mechanism, the excavating gear, vibratory feed and device for discharging are sequentially arranged at from front to back on rack (1), rack (1) Bottom is equipped with rotation land wheel (2), and front end is equipped with hitch frame (3), and the upside of hitch frame (3) is equipped with transmission mechanism, the excavation Cutting disc (43) are additionally provided in rack (1) on front side of device.

2. a kind of cassava combine harvester according to claim 1, it is characterised in that: the excavating gear, by excavating (4), transition plates (5), oscillating rod (6) and eccentric wheel (7) composition are shoveled, the both sides of the digger blade (4) are respectively arranged with installation The middle part of ear, mounting ear is mounted on rack (1) by movable axis (8), and the top of mounting ear then passes through swinging axle (9) and swings The connection of bar (6) one end, the other end of oscillating rod (6) are provided with eccentric bushing, pass through eccentric wheel (7) and rotation axis (10) in eccentric bushing Connection, rotation axis (10) is connected on rack (1), the digger blade (4) be the steel plate materials production of 65Mn modifier treatment and At, outside be in upside-down mounting w character form structure, inside is provided with transition plates (5), and transition plates (5) is towards vibratory feed.

3. a kind of cassava combine harvester according to claim 1, it is characterised in that: the vibratory feed, packet It is defeated to include delivery sieve (11), first-level transport frame (12), two-stage conveying frame (13), hydraulic cylinder (14), delivery sieve support shaft (15), level-one Send vibrating shaft (16), two-stage conveying rotary shaft (17) and three-level conveying rotary shaft (18), the delivery sieve support shaft (15), one By bearing, direction is successively spaced the first-level transport frame (12) for being mounted on rack (1) from front to back respectively for grade conveying vibrating shaft (16) On, first-level transport frame (12) is mounted on rack (1) front, and the two-stage conveying frame (13) passes through two-stage conveying rotary shaft (17) It is connected to first-level transport frame (12) rear end, two-stage conveying rotary shaft (17), three-level conveying rotary shaft (18) are separately mounted to two In the front-rear position of grade carriage (13), the delivery sieve (11) is wound around delivery sieve support shaft (15), first-level transport vibration In axis (16), two-stage conveying rotary shaft (17) and three-level conveying rotary shaft (18), the two sides edge of delivery sieve (11) is depended in machine On rolling barrel on the inside of frame (1), driving plum blossom rubber tire (19) is uniformly installed in three-level conveying rotary shaft (18), is driven Dynamic plum blossom rubber tire (19) are contacted with the lateral net bar of delivery sieve (11), drive delivery sieve (11) fortune by driving plum blossom rubber tire (19) Row, described first-level transport vibrating shaft (16) both ends are separately installed with the 4th drive sprocket (36), and the 4th drive sprocket (36) is interior The vibrating wheels (20) of ellipse are uniformly installed, first-level transport vibrating shaft (16) passes through ellipse on the first-level transport vibrating shaft (16) of side Circular vibrating wheels (20) contact with delivery sieve (11), cross bar (21) and hydraulic cylinder (14) on the upside of the two-stage conveying frame (13) One end connection, the other end of hydraulic cylinder (14) connect with the bracket (22) on the upside of rack (1).

4. a kind of cassava combine harvester according to claim 1, it is characterised in that: the device for discharging, including wood Potato dump skip (23), lifting hydraulic cylinder (24) and hopper support frame (25), described cassava dump skip (23) side are provided with perpendicular Wall (26), the two sides for erectting wall (26) are respectively equipped with lifting hydraulic cylinder (24), one end of lifting hydraulic cylinder (24) and setting wall (26) it is flexibly connected, the other end is connect with hopper support frame (25), and the hopper support frame (25) is arranged in rack (1) one Side, cassava dump skip (23) prop up on rack (1), setting wall (26) and hopper support frame (25) phase of cassava dump skip (23) Mutually by patch, erects wall (26) top and connect by horizontal axis (27) with hopper support frame (25).

5. a kind of cassava combine harvester according to claim 1, it is characterised in that: the transmission mechanism, including pass Dynamic universal joint (28), Cardan shaft (29), the first driving chain (30), the second driving chain (31), third driving chain (32), the first drive sprocket (33), the second transmission gear (34), third drive sprocket (35), the 4th drive sprocket (36), the 5th Drive sprocket (37), the 6th drive sprocket (38), the 7th drive sprocket (39), the 8th drive sprocket (40) and the 9th transmission gear (41), first drive sprocket (33) and the 9th transmission gear (41) are separately mounted to the two of Cardan shaft (29) End, the second transmission gear (34) are mounted on rotation axis (10), and third drive sprocket (35) is mounted on the axis of rack (1), the Four drive sprockets (36), the 5th drive sprocket (37) are separately mounted to first-level transport vibrating shaft (16) both ends, the 6th transmission chain Wheel (38), the 7th drive sprocket (39) are separately mounted to two-stage conveying rotary shaft (17) both ends, the 8th drive sprocket (40) peace Rotary shaft (18) both ends are conveyed mounted in three-level, first driving chain (30) is connected to the first drive sprocket (33), third On drive sprocket (35), the 4th drive sprocket (36), the 9th transmission gear (41) is meshed with the second transmission gear (34), and second Driving chain (31) is connected to the 5th drive sprocket (37), on the 6th drive sprocket (38), and third driving chain (32) is connected to On 7th drive sprocket (39), the 8th drive sprocket (40), the driving universal joint (28) by gearbox (42) with it is universal Transmission shaft (29) connection is saved, driving universal joint (28) is connected with the power device of tractor, and tractor dynamic power device, which drives, to be passed Dynamic universal joint (28) rotation, driving universal joint (28) drive Cardan shaft (29) rotation, universal joint by gearbox (42) Transmission shaft (29) drives the second transmission gear (34) rotation by the 9th transmission gear (41), and then runs with movable eccentric wheel (7), Cardan shaft (29) by the first drive sprocket (33) drives the first driving chain (30) respectively, drives step by step simultaneously Second driving chain (31), third driving chain (32) operation, the first driving chain (30), the second driving chain (31), third Driving chain (32) drives corresponding device to run respectively.

6. a kind of cassava combine harvester according to claim 5, it is characterised in that: the driving chain, transmission chain Wheel and transmission gear are equipped with two sets, are separately mounted to the two sides of rack (1).