CN206978034U - Picker for tuber crops - Google Patents

Abstract

The utility model provides a kind of operation effectiveness good picker for tuber crops, it includes body, transmission system on body, the both sides of body are provided with land wheel apparatus, the front end of body is provided with draw-gear, cuts native device and excavating gear, is provided with native potato separate transfer in body, native potato separate transfer is connected with transmission system output end, body front end is additionally provided with digs deep regulation device to row, and deep regulation device is dug to row to be included putting luggage and digging deep regulation device.Luggage is put including machinery to row detection agency, machinery includes detection mounting seat, sensor support base to row detection agency, to line sensor assembly and sensor distance adjustment unit；Digging deep regulation device includes ground machine feeler mechanism, and ground machine feeler mechanism includes two support wheel assemblies, two height adjustment units, support wheel distance adjusting unit and digs deep sensor；Deep regulation device is put and dug to luggage can real-time and accurately control excavation position and the excavating depth of digging mechanism.

Description

Picker for tuber crops

Technical field

The utility model belongs to technical field of agricultural mechanical equipment, specifically, is related to a kind of applied to potato type harvesting Picker for tuber crops.

Background technology

China is potato class big producer, and cultivated area and yield rank first in the world, and potato and sweet potato are after corn, small The fourth-largest and the fifth-largest cereal crops in the world after wheat and rice, ensureing domestic grain security, energy security and eliminating poor Played a significant role in tired.Although tuber crops big producer of China, potato class mechanization production level compared with developed countries, Also fall behind a lot, seriously govern the development of national potato class whole process mechanization production technology.Therefore, accelerating to change extensive life Production mode, greatly develop under the trend of potato class production mechanization, improve that potato class mechanized harvest is horizontal, the labor for mitigating peasant Fatigue resistance, the development increased farmers' income and accelerate potato industry, have great importance.

At present, for domestic potato type harvesting machinery based on small-sized, power demand is not high, the relatively external machinery of efficiency of crop compared with Low, function is single, and potato class is laid in ground by the mode exported after more, also there is a small number of sides outputs or the type with hopper. Structure is fairly simple, and price is relatively cheap, but used monoblock type digger blade causes machine resistance phase in operation process It is short to the bad adaptability of ridge height, soil property and harvest time, service life to larger.Most machines do not possess secondary native potato point From device, and tuber crops conveying effect is not good enough, causes the secondary burial of tuber crops soil and the hilling excavated The appearance of phenomenon, exposed potato rate are relatively low.

Meanwhile precision agriculture technology is studied at home also in the starting stage with intelligent equipment.Precision agriculture is a kind of The novel agricultural technology that modern information technologies, biotechnology, agricultural sciences and agriculture project equipment are combined comprehensively.Promote information Change, extensive use of the hydraulic electronic control technology in agricultural equipment are the emphasis of a period of time from now on.In recent years, in state Outside, high, new, sharp technology is constantly applied in potato class plant equipment, makes it constantly to intelligent development.

Therefore market there is an urgent need to develop it is a kind of it is stable and reliable in work, exposed potato rate is high, loss late is low, production efficiency compared with Height, while the wide cut potato type harvesting machinery that operation effectiveness is good, while the intelligent level of potato type harvesting machinery is improved, hydraulic pressure skill Art, collecting sensor signal technology and microprocessor control technology etc. are mixed in potato type harvesting operation practice.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of picker for tuber crops, effectively solves prior art The problem of existing.

To achieve the above object, the utility model is achieved through the following technical solutions：

A kind of picker for tuber crops, including body, body are provided with the transmission system with tractor output power connector, machine The both sides of body are provided with land wheel apparatus, and the front end of body is provided with draw-gear, cuts native device and excavating gear, and one-level is provided with body Native potato separate transfer and two level soil potato separate transfer, one-level soil potato separate transfer and the separation conveying of two level soil potato Device is connected with transmission system output end, and body front end is additionally provided with digs deep regulation device to row, and digging deep regulation device to row includes Deep regulation device is put and dug to luggage, and digging deep regulation device includes ground machine feeler mechanism, and ground machine feeler mechanism includes Two support wheel assemblies, two height adjustment units and support wheel distance adjusting unit, support wheel assembly are rotatably connected on support On axle, support shaft shaft end is provided with the first angular displacement sensor, and supports axis connection height adjustment unit one end, and two height adjust Unit connects support wheel distance adjusting unit both ends respectively.

Above-mentioned picker for tuber crops preferred scheme, excavating gear include teeth frame and more than one excavation teeth, teeth frame two End is rotatablely connected the fixing axle being connected with body, and each by hinge axis connection, more than one divides stone grid on excavation teeth.

Above-mentioned picker for tuber crops preferred scheme, it also includes excavating controlling organization, and its executive component of excavation controlling organization is Hydraulic cylinder, hydraulic cylinder one end are connected on body, and the other end is connected with linking arm, and the linking arm other end is rotatably connected on fixing axle On.

Above-mentioned picker for tuber crops preferred scheme, ground machine feeler mechanism are connected through vehicle frame seat assembly with body, car Frame seat assembly includes longitudinally connected seat, vertical connecting seat and contour wheel adjustment unit, and contour wheel adjustment unit includes adjustment Seat, return spring and swing arm, adjusting seat is provided with spacing hole, and is fixed in adjusting seat through sensor holder and dig deep angle displacement transducer Device, return spring one end are arranged in adjusting seat, and other end connection swing arm one end, the swing arm other end is through spacing hole with erecting Direct-connected joint chair connection, vertical connecting seat are fixed in support wheel distance adjusting unit, longitudinally connected seat one end connection body, longitudinal direction The connecting seat other end connects adjusting seat.

Above-mentioned picker for tuber crops preferred scheme, luggage is put including machinery to row detection agency, machinery is to row detection agency Including detection mounting seat, sensor support base, to line sensor assembly and sensor distance adjustment unit, detection mounting seat is through body Connection component is connected with body, and sensor support base is connected with detection mounting seat, and line sensor assembly distribution sensor distance is adjusted Whole unit both ends, sensor distance adjustment unit are connected with sensor support base, and it is total to include first sensor to line sensor assembly Into and second sensor assembly, it includes sensor link, angular displacement sensor and feeler lever mechanism, angle displacement transducer Device and feeler lever mechanism are arranged on sensor link, and feeler lever mechanism includes sensor feeler lever and curved detector plate, arc Detecting plate is detachably connected with sensor feeler lever.

Above-mentioned picker for tuber crops preferred scheme, transmission system include front propeller shaft assy., the transmission axis connection set gradually Seat, rear propeller shaft assy. and transmission assembly, front propeller shaft assy. and tractor output power connector, transmission assembly and native potato Separate transfer is connected, and mono-directional overrun clutch is provided between rear propeller shaft assy. and transmission assembly.

Above-mentioned picker for tuber crops preferred scheme, picker for tuber crops also include grass pressing wheel device, and grass pressing wheel device includes two Grass pressing wheel assembly, grass pressing wheel assembly include grass pressing wheel, grass pressing wheel mounting bracket, extension spring and grass pressing wheel support, and grass pressing wheel mounting bracket leads to U bolt is crossed on body, grass pressing wheel support one end is connected with grass pressing wheel, other end connection extension spring one end, and extension spring is another End is connected with grass pressing wheel mounting bracket.

Above-mentioned picker for tuber crops preferred scheme, cutting native device includes three cutting soil disk assemblies, and cutting soil disk assembly includes cutting soil Disk, cutting soil disk are connected with connecting lever and damping spring, and the connecting lever other end is fixed on body through cutting soil disk mounting assembly, damping spring The other end connects damping spring through cutting soil disk mounting assembly.

Above-mentioned picker for tuber crops preferred scheme, one-level soil potato separate transfer and two level soil potato separate transfer are all matched somebody with somebody Tension mechanism is had, cleaning shoe device, the separation conveying of two level soil potato are installed on one-level soil potato separate transfer front jockey wheel Device is provided with triangle dither wheel apparatus.

The utility model has the advantage of：

Using dividing stone grid structure to solve the anti-blocking design of turn up material, solve hilling blocking and weeds winding problem, improve work Make efficiency；Using secondary native potato separator, native potato separating effect is further improved；It is accurate in real time using automatic aligning device Moving left and right for haulage gear is driven, excavation position is directed at the centre position on ridge all the time；Using deep regulation device is dug automatically, in fact Existing ground height situation automatic profiling, ensure rapidly and accurately to adjust the depth of digging operation, effectively realize cropper excavation The accurate control of depth.

Brief description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.

Fig. 1 is picker for tuber crops structural representation；

Fig. 2 is picker for tuber crops front view；

Fig. 3 is picker for tuber crops top view；

Fig. 4 is to cut native apparatus structure schematic diagram；

Fig. 5 is digging mechanism and digs deep regulation device structural representation；

Fig. 6 is that digging mechanism and the deep regulation device right side of digging regard schematic diagram；

Fig. 7 is grass pressing wheel apparatus structure schematic diagram；

Fig. 8 is native potato separate transfer structural representation；

Fig. 9 is automatic aligning device structural representation；

Wherein, 1. body, 2. cut native device, 3. excavating gears, 4. grass pressing wheel devices, 5. native potato separation conveying dresses To put, 6. transmission systems, 7. pairs of rows dig deep regulation device, and 8. pairs of luggages are put, the 9. deep regulation devices of digging, 10. draw-gears, 11. deep angular displacement sensors are dug land wheel apparatus, 12., 13. left cut soil disc assemblies, cutting soil disk assembly in 14., 15. right cuts Native disc assembly, 16. absorber springs, 17. ground machine feeler mechanisms, 18. teeth framves, 19. excavate controlling organization, and 20. is solid Dead axle, 21. excavate teeth, 22. points of stone grid, 23. left grass pressing wheel assemblies, 24. right grass pressing wheel assemblies, 25. grass pressing wheel branch Frame, 26. grass pressing wheels, 27. side plate I, 28. side plate II, 29. one-level soil potato separate transfers, 30. two level soil potatos separate defeated Send device, 31. tension mechanism I, 32. tension mechanism II, 33. front jockey wheels, 34. cleaning shoe devices, 35. triangle dithers Wheel apparatus, 36. driving wheel I, 37. driving wheel II, 38. front propeller shaft assy.s, 39. power transmission shaft connecting seats, it is driven after 40. Axle assembly, 41. transmission assemblies, 42. mono-directional overrun clutch, 43. sensor links, 44. traction control mechanisms, 45. hinge axis, 46. cutting soil disks, 47. clean-up scrapers, 48. U bolts, 49. extension springs, 50. entablatures, 51. front beams, 52. cutting soil disk mounting assembly, 53. connecting levers, 54. detection mounting seats, 55. sensor support bases, 56. sensor distance adjustment units, 57. pair row angular displacement sensor, 58. sensor feeler levers, 59. curved detector plates, 60. shape connecting plates, 61. second bolts, 62. First bolt, 63. longitudinally connected seats, 64. return springs, 65. vertical connecting seats, 67. adjusting seats, 68. swing arms, 69. Grass pressing wheel support, 101. traction seats, 102. front haulage framves, 103. times suspended axles, 171. height adjustment units, 172. Support wheel distance adjusting unit, 173. support wheel assemblies.

Embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.

Referring to figs. 1 to Fig. 3, a kind of picker for tuber crops, including body 1, body 1 is provided with to be connected with tractor output power The transmission system 6 connect, the both sides of body 1 are provided with land wheel apparatus 11, and the front end of body is provided with draw-gear 10, cuts the native and of device 2 Excavating gear 3, body 1 is interior to be provided with native potato separate transfer 5, and native potato separate transfer 5 includes the separation conveying of one-level soil potato Device 29 and two level soil potato separate transfer 37, one-level soil potato separate transfer 29 and two level soil potato separate transfer 37 It is connected positioned at the rear portion of excavating gear 3, and with the output end of transmission system 6, the front end of body 1 is additionally provided with digs deep regulation device 7 to row, right Row, which digs deep regulation device 7, to be included putting luggage 8 and digs deep regulation device 9.

The generally frame-type of body 1, including side plate I27, side plate II28, front beam 51 and entablature 50, for installing potato Other devices of class cropper.

Draw-gear 10 includes traction seat 101 and traction control mechanism 44, and the one end of traction seat 101 is connected to front beam 51 On, the other end is articulated and connected the rear end of front haulage frame 102, and the front end of front haulage frame 102 is through lower suspended axle 103 and tractor trifilar suspension The lower hitch point connection of mechanism, traction power is provided by tractor.Traction control mechanism 44 is used to move traction seat 101 or so It is dynamic, and traction control mechanism both ends connect traction seat 101 and front beam 51 respectively.

With reference to figure 4, native device 2 is cut on front beam 51, position can be adjusted according to row spacing size, including left cut Native disc assembly 13, middle cutting soil disk assembly 14 and right cut soil disc assembly 15, left cut soil disc assembly 13, middle cutting soil disk assembly 14 and right cut Native disc assembly 15 includes cutting soil disk 46, and cutting soil disk 46 is connected with connecting lever 53 and damping spring 16, and the other end of connecting lever 53 is through cutting soil Disk mounting assembly 52 is fixed on body 1, and the other end of damping spring 16 is fixed on body 1 through cutting soil disk mounting assembly 52, is cut The native overall rectangular frame structure of disk mounting assembly 52, including L shaped plate, the vertical bolt and and L that are connected with L shaped plate vertical portion The leveling screw of shape plate level part connection.It is floating structure to cut native device 2, runs into the hard barrier such as stone during work When, it can make cutting soil disk 46 smoothly by the way that compensate for fixed cutting soil disk can not be certainly by the compression of itself of absorber spring 16 The deficiency of dynamic regulation depth of cut, reduces failure rate of machinery, plays a part of overload protection.Clean-up scraper is installed on cutting soil disk 46 47, to remove the soil adhered in operation process on cutting soil disk 46 in time, keep the rototilling performance of cutting soil disk 46.

With reference to figure 5, excavating gear 3 includes teeth frame 18 and more than one excavation teeth 21, and the both ends of teeth frame 18 rotate The fixing axle 20 being connected with body 1 is connected, connecting more than one by hinge axis 45 on each excavation teeth 21 divides stone grid 22.Adopt With this structure, excavating gear 3 can rotate to adjust excavating depth and angle of penetration around fixing axle 20, divide stone grid 22 can around hinge axle 45 rotate, when larger soil rock will be run into downside to stop up stifled, divide stone grid 22 to be rotated up by hinge-coupled, divide stone grid 22 with Space between first native potato separate transfer 29 accordingly increases, and therefore, a certain size soil rock just can smoothly pass through Space between digging mechanism and the first native potato separate transfer 29, thus the fault rate of unit is reduced, solve native stone Block is the digging mechanism and the first native 29 boundary position congestion of potato separate transfer the problem of.

With reference to figure 9, luggage is put includes detection mounting seat to row detection agency including machinery to row detection agency, machinery 54th, sensor support base 55, to line sensor assembly and sensor distance adjustment unit, detection mounting seat 54 is through body connection component It is connected with entablature 50, body connection component entirety rectangular frame structure, including it is L-shaped connecting plate 60, vertical with L-shaped connecting plate First bolt 62 of part connection and the second bolt 61 being connected with L-shaped connecting plate horizontal component, sensor support base 55 and detection Mounting seat 54 connects, to line sensor assembly distribution sensor distance adjusting unit both ends, sensor distance adjustment unit 56 with Sensor support base 55 connects, and includes first sensor assembly and second sensor assembly to line sensor assembly, and it includes passing Sensor link 43, angular displacement sensor 57 and feeler lever mechanism, angular displacement sensor 57 and feeler lever mechanism are arranged at biography On sensor link 43, feeler lever mechanism includes sensor feeler lever 58 and curved detector plate 59, and curved detector plate 59 touches with sensor Bar 58 is detachably connected.

With reference to figure 5 and Fig. 6, digging deep regulation device 9 includes ground machine feeler mechanism 17 and excavates controlling organization, ground machine Tool feeler mechanism includes two support 173, two height adjustment units 171 of wheel assembly and support wheel distance adjusting unit 172, branch Support wheel assembly is rotatably connected in support shaft, and support shaft shaft end, which is provided with, digs deep angular displacement sensor 12, and supports axis connection height Adjustment unit one end, two height adjustment units connect support wheel distance adjusting unit both ends respectively；Excavate controlling organization 19 its Executive component is hydraulic cylinder, and hydraulic cylinder one end is connected on body longeron, and the other end is connected with linking arm, and the linking arm other end turns It is dynamic to be connected in fixing axle 20.

Ground machine feeler mechanism is connected through frame seat assembly with front beam 51, and frame seat assembly includes longitudinal direction Connecting seat 63, vertical connecting seat 65 and contour wheel adjustment unit, contour wheel adjustment unit include adjusting seat 67, the and of return spring 64 Swing arm 68, adjusting seat 67 is provided with spacing hole, and is fixed in adjusting seat 67 through sensor holder and dig deep angular displacement sensor 12, returns Position spring 64 one end is arranged in adjusting seat, other end connection swing arm 68 one end, the other end of swing arm 68 through spacing hole with Vertical connecting seat 65 is connected, and vertical connecting seat 65 is fixed in support wheel distance adjusting unit 172, and longitudinally connected one end of seat 63 connects Front beam 51 is connect, the longitudinally connected other end of seat 63 connects adjusting seat 67.Ensured using the pretension of this structure return spring 64 Wheel assembly close proximity to ground is supported, swing arm 68 swings in the spacing hole of adjusting seat 67, plays position-limiting action, swing arm 68 is existed Moved in certain limit, ensure that support wheel assembly 173 requires according to the profiling of ground height situation.

With reference to figure 8, one-level soil potato separate transfer 29 and two level soil potato separate transfer 30 are additionally provided with body 1, One-level soil potato separate transfer 29 and two level soil potato separate transfer 30 are located at the rear portion of excavating gear 3, the separation of one-level soil potato Conveying device 29 and two level soil potato separate transfer 30 are exported by driving wheel I36, driving wheel II37 and transmission system respectively End connection.One-level soil potato separate transfer 29 and two level soil potato separate transfer 30 be respectively equipped with tension mechanism I31 and Tension mechanism II32, cleaning shoe device 34, two level soil potato are installed on the front jockey wheel 33 of one-level soil potato separate transfer 29 Separate transfer 30 is provided with triangle dither wheel apparatus 35.

With reference to figure 2 and Fig. 8, transmission system includes the front propeller shaft assy. 38, power transmission shaft connecting seat 39, rear biography set gradually Moving axis assembly 40, transmission assembly 41, front propeller shaft assy. 38 and tractor output power connector, transmission assembly 41 and native potato Separate transfer 5 is connected, and mono-directional overrun clutch 42 is provided between rear propeller shaft assy. 40 and transmission assembly 41, is prevented Cropper opposite direction is rotated to protect complete machine.Power is provided by tractor motive power output shaft using said structure, power is through forward pass Moving axis assembly 38, power transmission shaft connecting seat 39, rear propeller shaft assy. 40, transmission assembly 41 are delivered to native potato separate transfer and driven On driving wheel I36, driving wheel II37 and triangle dither wheel 35.

With reference to figure 7, picker for tuber crops also includes grass pressing wheel device 4, and grass pressing wheel device 4 is arranged on entablature 50, pressure grass Wheel apparatus 4 is left grass pressing wheel assembly 23 and right grass pressing wheel assembly 24 including two grass pressing wheel assemblies, and grass pressing wheel assembly includes pressure grass Wheel 26, grass pressing wheel mounting bracket 25, extension spring 49 and grass pressing wheel support 69, grass pressing wheel mounting bracket 25 are arranged on machine by U bolt 48 On body 1, the one end of grass pressing wheel support 69 is connected with grass pressing wheel 26, other end connection extension spring 49 one end, the other end of extension spring 49 and pressure grass Wheel mounting bracket 25 connects.During work, grass pressing wheel 26 is driven the front jockey wheel with one-level soil potato separate transfer 29 by frictional force 33 reversed turnings, it can in time exclude to excavate cauline leaf and the weeds of teeth 21, play anti-clogging effect.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., It should be included within the scope of protection of the utility model.

Claims (9)

1. a kind of picker for tuber crops, including body（1）, body（1）It is provided with the transmission system with tractor output power connector （6）, body（1）Both sides be provided with land wheel apparatus（11）, the front end of body is provided with draw-gear（10）, cut native device（2）And digging Dig device（3）, body（1）It is interior to be provided with one-level soil potato separate transfer（29）With two level soil potato separate transfer（37）, one The native potato separate transfer of level（29）With two level soil potato separate transfer（37）With transmission system（6）Output end connects, and it is special Sign is：Body（1）Front end is additionally provided with digs deep regulation device to row（7）, deep regulation device is dug to row（7）Including being put to luggage（8） With the deep regulation device of digging（9）, dig deep regulation device（9）Including ground machine feeler mechanism（17）, ground machine feeler mechanism bag Two support wheel assemblies (173), two height adjustment units (171) and support wheel distance adjusting unit (172) are included, support wheel is total It is rotatably connected on into (173) in support shaft, support shaft shaft end is provided with the first angular displacement sensor, and supports axis connection highly to adjust Unit (171) one end, two height adjustment units (171) connect support wheel distance adjusting unit (172) both ends respectively.

2. picker for tuber crops as claimed in claim 1, it is characterized in that：Excavating gear（3）Including teeth frame（18）And more than one Excavate teeth（21）, teeth frame（18）Both ends are rotatablely connected and body（1）The fixing axle of connection（20）, each excavate teeth （21）On pass through hinge axis（45）Connect more than one and divide stone grid（22）.

3. the picker for tuber crops as described in claim 2, it is characterized in that：It also includes excavating controlling organization (19), excavates control Mechanism (19) its executive component is hydraulic cylinder, and hydraulic cylinder one end is connected to body（1）On, the other end is connected with linking arm, connection The arm other end is rotatably connected in fixing axle (20).

4. picker for tuber crops as claimed in claim 1, it is characterized in that：Ground machine feeler mechanism through vehicle frame seat assembly with Body（1）Connection, vehicle frame seat assembly include longitudinally connected seat（63）, vertical connecting seat（65）With contour wheel adjustment unit, Contour wheel adjustment unit includes adjusting seat（67）, return spring（64）And swing arm（68）, adjusting seat（67）Spacing hole is provided with, And adjusting seat（67）On fixed through sensor holder and dig deep angular displacement sensor（12）, return spring（64）One end is arranged on adjusting seat （67）On, other end connection swing arm（68）One end, swing arm（68）The other end passes through spacing hole and vertical connecting seat（65）Even Connect, vertical connecting seat（65）It is fixed on support wheel distance adjusting unit（172）On, longitudinally connected seat（63）One end connection body, Longitudinally connected seat（63）The other end connects adjusting seat（67）.

5. picker for tuber crops described in claim 1, it is characterized in that：Luggage is put including machinery to row detection agency, machinery is to row Detection agency includes detection mounting seat（54）, sensor support base（55）, to line sensor assembly and sensor distance adjustment unit, Detect mounting seat（54）It is connected through body connection component with body, sensor support base（55）With detecting mounting seat（54）Connection, it is right Line sensor assembly is distributed in sensor distance adjustment unit both ends, sensor distance adjustment unit（56）With sensor support base （55）Connection, includes first sensor assembly and second sensor assembly to line sensor assembly, and it includes sensor and connected Frame（43）, angular displacement sensor（57）And feeler lever mechanism, angular displacement sensor（57）And feeler lever mechanism is arranged at sensing Device link（43）On, feeler lever mechanism includes sensor feeler lever（58）With curved detector plate（59）, curved detector plate（59）With biography Sensor feeler lever（58）It is detachably connected.

6. picker for tuber crops as claimed in claim 1, it is characterized in that：Transmission system includes the front propeller shaft assy. set gradually （38）, power transmission shaft connecting seat（39）, rear propeller shaft assy.（40）And transmission assembly（41）, front propeller shaft assy.（38）With drawing Machine exports power connector, transmission assembly（41）It is connected with native potato separate transfer, rear propeller shaft assy.（40）With gearbox Assembly（41）Between mono-directional overrun clutch is installed（42）.

7. picker for tuber crops as claimed in claim 1, it is characterized in that：Picker for tuber crops also includes grass pressing wheel device（4）, pressure grass Wheel apparatus（4）Including two grass pressing wheel assemblies, grass pressing wheel assembly includes grass pressing wheel（26）, grass pressing wheel mounting bracket（25）, extension spring （49）With grass pressing wheel support（69）, grass pressing wheel mounting bracket（25）Body is arranged on by U bolt 48（1）On, grass pressing wheel support （69）One end and grass pressing wheel（26）Connection, other end connection extension spring（49）One end, extension spring（49）The other end and grass pressing wheel mounting bracket （25）Connection.

8. picker for tuber crops as claimed in claim 1, it is characterized in that：Cut native device（2）Including three cutting soil disk assemblies, soil is cut Disc assembly includes cutting soil disk（46）, cutting soil disk（46）It is connected with connecting lever（53）And damping spring（16）, connecting lever（53）The other end passes through Cutting soil disk mounting assembly（52）It is fixed on body（1）On, damping spring（16）The other end is fixed on through cutting soil disk mounting assembly 52 On body 1.

9. any one of claim 1 to 8 picker for tuber crops, it is characterized in that：One-level soil potato separate transfer and two level soil Potato separate transfer is equipped with tension mechanism, and cleaning shoe dress is provided with one-level soil potato separate transfer front jockey wheel Put, two level soil potato separate transfer is provided with triangle dither wheel apparatus.