CN216491948U

CN216491948U - Harvesting all-in-one is planted to empty ditch chinese yam

Info

Publication number: CN216491948U
Application number: CN202220254821.8U
Authority: CN
Inventors: 范青安; 范乐文; 李克伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-05-13
Anticipated expiration: 2032-02-08

Abstract

An open ditch yam planting and harvesting all-in-one machine aims to solve the problems that the process of an open ditch yam planting method needs to be carried out independently and cannot be finished at one time, and the efficiency is influenced; the planting machine comprises a rack, wherein a gearbox, a support, a seat, a planting mechanism and a fertilizing bin are sequentially arranged on the rack from front to back, a main shaft connected with the gearbox is arranged below the front end of the rack, a ditching cutter is rotatably arranged on the main shaft, front augers extend out of two sides of the ditching cutter, a grid roller and a mulching film roller are arranged on the rack from bottom to top, a through hole is formed in the rack, a first guide wheel is arranged in the through hole in a rotating mode, a mulching film roller located below the seat is arranged below the rack, the planting mechanism comprises symmetrically arranged conveying belts, conveying grooves are formed in the conveying belts, a guide plate located below the conveying belts is arranged below the rack, and rear augers extend out of two sides of the guide plate; the Chinese yam harvesting machine is simple and ingenious in structure, multiple working steps in Chinese yam planting are integrated on one device, Chinese yam planting and harvesting speed is increased, workload of farmers is reduced, and efficiency is improved.

Description

Harvesting all-in-one is planted to empty ditch chinese yam

Technical Field

The utility model relates to the technical field of yam planting, in particular to an empty ditch yam planting and harvesting integrated machine.

Background

Compared with the traditional Chinese yam planting method, the Chinese yam open furrow planting method has the advantages that when the Chinese yam is dug, the trouble of digging a groove is avoided unlike the traditional digging, the Chinese yam can be taken out from the open furrow quickly and conveniently, the Chinese yam harvesting speed is greatly improved, the harvested Chinese yam is not easy to damage, the yield of the Chinese yam planted by the method can be increased, and the yield of the Chinese yam can be improved.

At present, when the Chinese yam is planted by adopting an open furrow planting method, a groove is firstly formed in a manual or mechanical mode, then bricks are placed in the groove at certain intervals for supporting, then a branch bamboo pole is used for building the upper part of the groove, then a mulching film is laid on the upper part of the groove, then soil is covered, a Chinese yam section is placed in soil, the Chinese yam is aligned to the groove below the mulching film, and therefore the Chinese yam can extend into the groove. And when harvesting, the mulching film is manually opened, and then the Chinese yam is taken out from the groove.

Because each process needs to be operated independently, the planting efficiency is not high when the open furrow planting method is adopted, and more manpower and material resources need to be consumed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an open ditch yam planting and harvesting all-in-one machine, and aims to solve the problems that the process of an open ditch yam planting method needs to be carried out independently and cannot be finished at one time, and the efficiency is influenced.

The technical scheme for solving the technical problem is as follows: the utility model provides a results all-in-one is planted to empty ditch chinese yam, which comprises a frame, the gearbox has set gradually after to in the past in the frame, and a support, a seat, plant mechanism and fertilization storehouse, frame front end below is equipped with the main shaft of being connected with the gearbox, it is provided with the ditching sword to rotate on the main shaft, the ditching sword both sides are stretched out there is preceding auger, from the bottom up is provided with net roller and plastic film roller on the support, the through-hole has been seted up in the frame, what the through-hole adversion passed has first guide pulley, the frame below is equipped with the tectorial membrane roller that is located the seat below, plant the conveyer belt that the mechanism set up including the symmetry, the conveyer belt has seted up the conveyer trough, the frame below is equipped with the deflector that is located the conveyer belt below, the deflector both sides are stretched out there is back auger, fertilization storehouse below is equipped with the storehouse, it is equipped with the integer board to beat the storehouse below.

Preferably, the front end of the rack is provided with a connecting buckle, and the front end of the gearbox is provided with a driving shaft.

Preferably, a fixing frame is arranged above the machine frame, a hydraulic rod is rotatably arranged on the fixing frame, a telescopic connecting frame is arranged on the main shaft, the ditching cutter is fixed outside the connecting frame, and the end part of the hydraulic rod is rotatably connected with the connecting frame.

Preferably, the front packing auger and the rear packing auger have the same structure and opposite directions.

Preferably, the conveying grooves on the conveying belts on two sides are staggered.

Preferably, the frame below be equipped with the fertilization pipe that is located the oblique rear of deflector, fertilization pipe and fertilization storehouse intercommunication, the deflector top be equipped with the laxative pipe of laxative storehouse intercommunication.

Preferably, the side edge of the rack is provided with a first ground walking wheel, and the first ground walking wheel is in transmission connection with the conveying belt.

Preferably, the shaping plates are positioned at two sides of the pesticide spraying bin, a trapezoidal groove is reserved between the two shaping plates, and the width of the front side of the trapezoidal groove is larger than that of the rear side of the trapezoidal groove.

Preferably, the grid roller is wound with a grid, the mulching film roller is wound with a mulching film, the grid and the mulching film sequentially penetrate through the first guide wheel and the mulching film roller and then are laid on the ground, and the grid is a steel-plastic net with meshes of 20mm multiplied by 20 mm.

The utility model provides a results all-in-one is planted to empty ditch chinese yam, which comprises a frame, the frame top is provided with gearbox and support, the frame below is equipped with and is located the main shaft of being connected with the gearbox, the main shaft below is rotated and is connected with preceding auger, be equipped with net roller and plastic film roller on the support, the slope of frame middle part is provided with the sprocket, the sprocket outside is stretched out and is had a plurality of driving levers, net and plastic film are sent into net roller and plastic film roller respectively through the sprocket, the frame below is equipped with the back auger that is located sprocket bottom side, frame rear end below is equipped with the gyro wheel.

Preferably, the rack top be equipped with the mount, the mount is gone up to rotate and is equipped with the hydraulic stem, is equipped with the telescopic link on the main shaft, preceding auger is fixed on the link, the hydraulic stem tip is connected with the link rotation.

Preferably, the support on be fixed with first fixed plate, the sprocket rotates to be fixed at first fixed plate tip, the support upper end is equipped with the clutch, first fixed plate below is equipped with the second fixed plate, the slotted hole has been seted up on the second fixed plate, be equipped with the second guide pulley in the slotted hole, the acting as go-between of clutch is fixed on the second guide pulley, be fixed with the third guide pulley on the support, fourth guide pulley and fifth guide pulley, the net passes second guide pulley and third guide pulley winding on the net roller, the plastic film passes fourth guide pulley and fifth guide pulley winding on the plastic film roller, fixed and the cleaning brush that is located the plastic film outside on the support.

Preferably, the frame below be equipped with the second and walk the land wheel, the second walks the land wheel transmission and connects the sprocket, the sprocket transmission connects the clutch, the clutch transmission connects plastic film roller and net roller.

The Chinese yam harvesting machine is simple and ingenious in structure, multiple working steps in Chinese yam planting are integrated on one device, Chinese yam planting and harvesting speed is increased, workload of farmers is reduced, and efficiency is improved.

Drawings

Fig. 1 is a first structural schematic diagram of the planting state of the utility model.

Fig. 2 is a second structural schematic diagram in the planting state of the utility model.

Fig. 3 is a third structural schematic diagram in the planting state of the utility model.

Fig. 4 is a schematic sectional structure view in a planting state of the present invention.

FIG. 5 is a schematic cross-sectional view of B-B in FIG. 4 according to the present invention.

FIG. 6 is a first schematic view of the harvesting state of the present invention.

FIG. 7 is a second schematic view of the harvesting state of the present invention.

FIG. 8 is a schematic sectional view of the present invention in a harvest state.

Fig. 9 is an enlarged view of a portion a of fig. 4 according to the present invention.

Fig. 10 is an enlarged view of the structure of fig. 6 at C according to the present invention.

Fig. 11 is an enlarged view of the structure of fig. 8 according to the present invention.

Fig. 12 is a schematic plan view of a grid in the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from fig. 1 to 12, the present invention has two different forms of a planting state and a harvesting state, and the two different forms are described below.

When the machine is in a planting state, the machine comprises a frame 1, a gearbox 2, a support 3, a seat 4, a planting mechanism and a fertilizing bin 5 are sequentially arranged on the frame 1 from front to back, a connecting buckle 20 is arranged at the front end of the frame 1, a driving shaft 21 is arranged at the front end of the gearbox 2, the frame 1 is fixed on a tractor, the driving shaft 21 is connected with an output shaft of the tractor, a main shaft 6 connected with the gearbox 2 is arranged below the front end of the frame 1, the main shaft 6 is in a rotating state by the force transmitted by the tractor, a ditching cutter 7 is rotatably arranged on the main shaft 6, the ditching cutter 7 is rotated to a proper angle, the lower end of the ditching cutter 7 is positioned at a certain depth below the ground, a groove with a proper depth can be formed in the ground, the width of the ditching cutter 7 is selected according to the planted Chinese yam, front packing augers 8 extend out of two sides of the ditching cutter 7, and the front packing augers 8 are in transmission connection with the main shaft 6, soil brought out by a ditching cutter 7 when a ditch is opened is moved to two sides under the action of a front auger 8, so that an open space with a certain width is formed at two sides of the ditch, a grid roller 9 and a mulching film roller 10 are arranged on a support 3 from bottom to top, a through hole 11 is formed in the frame 1, a first guide wheel 12 rotates in the through hole 11, a mulching film roller 13 positioned below a seat 4 is arranged below the frame 1, a grid is wound on the grid roller 9, a mulching film is wound on the mulching film roller 10, the grid and the mulching film are jointed at the first guide wheel 12 and then conveyed to the position of the mulching film roller 13, the mulching film roller 13 is pressed on the ditch, the grid is positioned below the grid, the mulching film is covered above the grid, a planting mechanism comprises symmetrically arranged conveyer belts 14, a conveying groove 15 is formed in the conveyer belts 14, a guide plate 16 positioned below the conveyer belts 14 is arranged below the frame 1, rear augers 17 extend out of two sides of the guide plate 16, a pesticide applying bin 18 is arranged below the fertilizer applying bin 5, a shaping plate 19 is arranged below the pesticide spraying bin 18, the rear packing auger 17 is in transmission connection with the main shaft 6, the rear packing auger 17 rotates to gather soil turned up by the front packing auger 8 inwards in the advancing process to enable the soil to be covered on a mulching film, a worker sits on the seat 4 to place Chinese yam seeds in the empty position of the rack 1, the worker places the Chinese yam seeds in the conveying groove 15 of the conveying belt 14, the conveying belt 14 rotates to convey the Chinese yam seeds to the position of the guide plate 16, the guide plate 16 is located above the groove to enable the Chinese yam seeds to be parallel to the groove, so that the Chinese yam roots and can extend into the groove, the pesticide spraying bin 18 and the fertilizer spraying bin 5 are filled with medicaments and fertilizers, the fertilizer spraying can be conducted on the Chinese yam seeds, the nutrition required by the Chinese yam seeds for rooting is met, and the shaping plate 19 passes through the upper part of the groove to shape soil into a regular ridge.

In order to avoid the friction between the ditching cutter 7 and the ground when not in use, a fixing frame 22 is arranged above the rack 1, a hydraulic rod 23 is arranged on the fixing frame 22 in a rotating mode, a telescopic connecting frame 24 is arranged on the main shaft 6, the ditching cutter 7 is fixed to the outside of the connecting frame 24, the end portion of the hydraulic rod 23 is connected with the connecting frame 24 in a rotating mode, the hydraulic rod 23 stretches and retracts to drive the connecting frame 24 to rotate around the main shaft 6, the ditching cutter 7 can be rotated to two positions of a horizontal position and an inclined position, when the ditching cutter is in the horizontal position, the lower end of the ditching cutter 7 is not in contact with the ground, and the ditching cutter can be transferred when not in use.

The connecting frame 24 can be extended and retracted, and the length of the connecting frame can be shortened when the connecting frame is not used, so that the connecting frame is prevented from colliding with other parts to cause damage.

In order to facilitate separating and ridging of soil above the groove, the front packing auger 8 and the rear packing auger 17 are identical in structure and opposite in direction, the front packing auger 8 and the rear packing auger 17 are in transmission connection with the main shaft 6, the rotation directions of the front packing auger 8 and the rear packing auger 17 are identical, the width of the rear packing auger 17 is larger than that of the front packing auger 8, the front packing auger 8 separates the soil above the groove to two sides, and the rear packing auger 17 can cover the soil above the mulching film again to form ridging.

In order to smoothly place the yam seeds above the groove, the positions of the conveying grooves 15 on the conveying belts 14 on the two sides are staggered, so that one yam seed is placed in each conveying groove 15, a closed space can be formed after the yam seeds are contacted with the conveying belt 14 on the other side, and the yam seeds are placed above the groove after rotation.

In order to ensure the nutrition requirement of Chinese yam rooting, a fertilizing pipe 25 positioned at the oblique rear part of the guide plate 16 is arranged below the rack 1, the fertilizing pipe 25 is communicated with the fertilizing bin 5, a pesticide spraying pipe 41 communicated with the pesticide spraying bin 18 is arranged above the guide plate 16, the fertilizing pipe 25 can spray fertilizer in ridging soil, the soil is changed into nutrient soil, the requirement of Chinese yam seed growth is met, the pesticide spraying pipe 41 is aligned to the position of the Chinese yam seeds, and the pesticide can be directly dripped on the Chinese yam seeds, so that the growth of the Chinese yam is promoted.

In order to realize the operation of the planting mechanism, the side edge of the frame 1 is provided with a first land wheel 26, the first land wheel 26 is in transmission connection with the conveying belt 14, the first land wheel 26 adopts a blind pulley, and is in contact with the ground to form friction force to drive the first land wheel 26 to rotate, the first land wheel 26 is in transmission connection with the conveying belt 14 and can drive the conveying belt 14 to rotate, so that the conveying belt 14 can complete the conveying of Chinese yam seeds in the walking process of the frame 1, and the planting of the Chinese yam is completed.

In order to adjust the distance between the yam seeds, the first land wheels 26 with different sizes and specifications can be replaced, so that the planting amount of the yam seeds in the unit advancing distance of the rack 1 is changed.

For making the ridge shape of chinese yam pleasing to the eye and be favorable to the growth of chinese yam, integer plate 19 is located 18 both sides in the storehouse of making herbs, leaves trapezoidal groove and trapezoidal groove front side width between two integer plates 19 and is greater than the rear side, and the trapezoidal groove structure can upwards gather together soil, forms ridge shape structure, and the front side width in trapezoidal groove is greater than the rear side, and the outside soil of being convenient for can enter into the trapezoidal inslot smoothly and accomplish the ridging.

In order to enable the grid to support the mulching film, the grid is wound on the grid roller 9, the mulching film is wound on the mulching film roller 10, the grid and the mulching film sequentially penetrate through the first guide wheel 12 and the mulching film roller 13 and then are laid on the ground, the grid is a steel-plastic net with meshes of 20mm multiplied by 20mm, the grid is a steel wire net structure made of soft steel wires, sufficient supporting force can be provided for the mulching film above the grooves by laying, and collapse of the grooves caused by damage of the mulching film is avoided.

When in a harvesting state, the integrated machine for planting and harvesting the empty ditch Chinese yam comprises a frame 1, a gearbox 2 and a support 3 are arranged above the frame 1, a connecting buckle 20 is arranged at the front end of the frame 1, a driving shaft 21 is arranged at the front end of the gearbox 2, the frame 1 is fixed on a tractor, the driving shaft 21 is connected with an output shaft of the tractor, a main shaft 6 connected with the gearbox 2 is arranged below the frame 1, the main shaft 6 obtains force transmitted by the tractor and is in a rotating state, a front auger 8 is rotatably connected below the main shaft 6, a grid roller 9 and a mulching film roller 10 are arranged on the support 3, a chain wheel 27 is obliquely arranged in the middle of the frame 1, a plurality of shift levers 28 extend out of the chain wheel 27, grids and mulching films are respectively sent into the grid roller 9 and the mulching film roller 10 through the chain wheel 27, a rear auger 17 positioned on the side edge of the bottom of the chain wheel 27 is arranged below the frame 1, and a roller 29 is arranged below the rear end of the frame 1.

When the Chinese yam is harvested after being ripe, the mulching film and the grids are lifted from one end and then hung on the shifting rod 28 of the chain wheel 27, the output direction of the gearbox 2 is opposite to that of the Chinese yam during planting, the rear auger 17 rotates to separate the soil covering the mulching film to two sides in the advancing process, the chain wheel 27 rotates to pull up the grids and the mulching film upwards to expose the grooves, and the grids and the mulching film are collected on the grid roller 9 and the mulching film roller 10 to be reused.

The distance of the deflector 28 on the sprocket 27 matches the specifications of the grid so that the deflector 28 can be inserted into the mesh of the grid to remove the grid and the mulch from the trench.

In order to avoid the influence of the ditching cutter 7 on the harvesting of the Chinese yam, when the harvesting state is switched, parts which do not need to be used are removed, only main parts such as the rack 1 are reserved, and after the ditching cutter 7 is removed, the connecting frame 24 is contracted to the shortest position to avoid the contact with the ground.

In order to recycle the mulching film and the grids, a first fixing plate 30 is fixed on a bracket 3, a chain wheel 27 is rotationally fixed at the end part of the first fixing plate 30, a clutch 31 is arranged at the upper end of the bracket 3, a second fixing plate 32 is arranged below the first fixing plate 30, a long circular hole 33 is arranged on the second fixing plate 32, a second guide wheel 34 is arranged in the long circular hole 33, a pull wire of the clutch 31 is fixed on the second guide wheel 34, a tension spring 40 is arranged between the second guide wheel 34 and the second fixing plate 32, a third guide wheel 35, a fourth guide wheel 36 and a fifth guide wheel 37 are fixed on the bracket 3, the grids are wound on a grid roller 9 through the second guide wheel 34 and the third guide wheel 35, the mulching film is wound on a mulching film roller 10 through the fourth guide wheel 36 and the fifth guide wheel 37, a cleaning brush 38 positioned outside the mulching film is fixed on the bracket 3, a second ground wheel 39 is arranged below a frame 1, and the second ground wheel 39 is in transmission connection with the chain wheel 27, the chain wheel 27 is in driving connection with a clutch 31, and the clutch 31 is in driving connection with the mulching film roller 10 and the grid roller 9.

The second ground wheel 39 contacts with the ground to start rotating, the frame 1 advances towards the rear end during harvesting, the rotating direction of the second ground wheel 39 is opposite to that of the chain wheel 27, the rotating direction and the speed ratio are changed by using gears with different diameters meshed with each other, so that the chain wheel 27 can upwards take grids and mulching films when rotating, the transmission speed is the same as the advancing speed of the machine, the grids and the mulching films are separated after reaching the first fixing plate 30, a partition plate is arranged in the first fixing plate 30, the grids penetrate through the side edge of the partition plate and then are wound on the grid roller 9 through the second guide wheel 34 and the third guide wheel 35, and the mulching films are wound on the mulching film roller 10 through the fourth guide wheel 36 and the fifth guide wheel 37.

Cleaning brush 38 can clear up the plastic film outside (being the plastic film upper surface), clears up the soil block of remaining on it to keep the clean and tidy of plastic film as far as possible, make the plastic film after the lapping inseparabler, be convenient for preserve and reuse.

After harvesting for a period of time, the meshes and the mulching films wound on the mesh roller 9 and the mulching film roller 10 have certain diameters, the rotating speed of the mesh roller 9 and the mulching film roller 10 is unchanged, the length of the meshes and the mulching films to be wound is increased, certain pulling force is generated on the meshes and the mulching films on the chain wheel 27, the pulling force acts on the second guide wheel 34, so that the second guide wheel 34 moves in the oblong hole 33, the pull wire is driven to move, so that the clutch 31 is disconnected, the grid roller 9 and the mulching film roller 10 lose power transmission and do not rotate any more, when the pulling force on the grid is reduced by continuing to travel, the tension spring 40 resets the second guide wheel 34, the grid roller 9 and the mulching film roller 10 obtain power transmission again and start to rotate again, and the reciprocating operation is performed in such a way that the grid and the mulching film are all wound, and the tension on the plastic film is uniform, so that damage caused by excessive pulling is avoided, and the repeated utilization rate of the grids and the mulching film is improved.

Compared with the prior art, the utility model has the following beneficial effects:

1. the multifunctional combine harvester has multiple functions, can convert forms, can be used for planting and harvesting, reduces the investment of equipment and saves the operation cost;

2. the operation is convenient, the Chinese yam open furrow planting can be completed in the one-time advancing process, a large amount of manpower and material resources are saved, and the Chinese yam open furrow planting method has great benefits for the Chinese yam planting;

3. the plastic film and the net that use can reuse, and directly retrieve through equipment, very big reduction workman's work burden, improve work efficiency.

Claims

1. An open ditch yam planting and harvesting all-in-one machine is characterized by comprising a rack (1), wherein a gearbox (2), a support (3), a seat (4), a planting mechanism and a fertilizing bin (5) are sequentially arranged on the rack (1) from front to back, a main shaft (6) connected with the gearbox (2) is arranged below the front end of the rack (1), a ditching cutter (7) is rotatably arranged on the main shaft (6), front packing augers (8) extend out of two sides of the ditching cutter (7), a grid roller (9) and a mulching film roller (10) are arranged on the support (3) from bottom to top, a through hole (11) is formed in the rack (1), a first guide wheel (12) is arranged in the through hole (11) in a rotating manner, a mulching film covering roller (13) positioned below the seat (4) is arranged below the rack (1), the planting mechanism comprises symmetrically arranged conveying belts (14), and conveying grooves (15) are formed in the conveying belts (14), a guide plate (16) positioned below the conveying belt (14) is arranged below the frame (1), rear packing augers (17) extend out of two sides of the guide plate (16), a pesticide spraying bin (18) is arranged below the fertilizing bin (5), and a shaping plate (19) is arranged below the pesticide spraying bin (18).

2. The open ditch yam planting and harvesting all-in-one machine as claimed in claim 1, wherein the front end of the machine frame (1) is provided with a connecting buckle (20), and the front end of the gearbox (2) is provided with a driving shaft (21).

3. The open ditch yam planting and harvesting all-in-one machine as claimed in claim 1, wherein a fixing frame (22) is arranged above the machine frame (1), a hydraulic rod (23) is rotatably arranged on the fixing frame (22), a telescopic connecting frame (24) is arranged on the main shaft (6), the ditching cutter (7) is fixed outside the connecting frame (24), and the end part of the hydraulic rod (23) is rotatably connected with the connecting frame (24).

4. The open ditch yam planting and harvesting all-in-one machine as claimed in claim 1, wherein a fertilizing tube (25) is arranged below the machine frame (1) and is positioned at the oblique rear part of the guide plate (16), the fertilizing tube (25) is communicated with the fertilizing bin (5), and a pesticide spraying tube (41) communicated with the pesticide spraying bin (18) is arranged above the guide plate (16).

5. The open-ditch yam planting and harvesting all-in-one machine as claimed in claim 1, wherein a first ground walking wheel (26) is arranged on the side of the machine frame (1), and the first ground walking wheel (26) is in transmission connection with the conveyor belt (14).

6. The open ditch yam planting and harvesting all-in-one machine as claimed in claim 1, wherein the grid roller (9) is wound with a grid, the mulching film roller (10) is wound with a mulching film, the grid and the mulching film sequentially pass through the first guide wheel (12) and the mulching film roller (13) and then are laid on the ground, and the grid is a steel-plastic net with meshes of 20mm x 20 mm.

7. The utility model provides a results all-in-one is planted to vacant ditch chinese yam, a serial communication port, including frame (1), frame (1) top is provided with gearbox (2) and support (3), frame (1) below is equipped with main shaft (6) that are located to be connected with gearbox (2), main shaft (6) below is rotated and is connected with preceding auger (8), be equipped with net roller (9) and plastic film roller (10) on support (3), frame (1) middle part slope is provided with sprocket (27), sprocket (27) outside is stretched out and is had a plurality of driving levers (28), net and plastic film are sent into net roller (9) and plastic film roller (10) respectively through sprocket (27), frame (1) below is equipped with back auger (17) that are located sprocket (27) bottom side, frame (1) rear end below is equipped with gyro wheel (29).

8. The open ditch yam planting and harvesting all-in-one machine as claimed in claim 7, wherein a fixing frame (22) is arranged above the machine frame (1), a hydraulic rod (23) is arranged on the fixing frame (22) in a rotating mode, a telescopic connecting frame (24) is arranged on the main shaft (6), the front packing auger (8) is fixed on the connecting frame (24), and the end portion of the hydraulic rod (23) is connected with the connecting frame (24) in a rotating mode.

9. The open-ditch yam planting and harvesting all-in-one machine as claimed in claim 7, wherein a first fixing plate (30) is fixed on a bracket (3), a chain wheel (27) is rotationally fixed at the end of the first fixing plate (30), a clutch (31) is arranged at the upper end of the bracket (3), a second fixing plate (32) is arranged below the first fixing plate (30), a long circular hole (33) is formed in the second fixing plate (32), a second guide wheel (34) is arranged in the long circular hole (33), a pulling wire of the clutch (31) is fixed on the second guide wheel (34), a third guide wheel (35), a fourth guide wheel (36) and a fifth guide wheel (37) are fixed on the bracket (3), a grid penetrates through the second guide wheel (34) and the third guide wheel (35) and is wound on a grid roller (9), a mulching film penetrates through the fourth guide wheel (36) and the fifth guide wheel (37) and is wound on a mulching film roller (10), the bracket (3) is fixed with a cleaning brush (38) positioned at the outer side of the mulching film.

10. The open-ditch yam planting and harvesting all-in-one machine as claimed in claim 7, wherein a second ground walking wheel (39) is arranged below the machine frame (1), the second ground walking wheel (39) is in transmission connection with a chain wheel (27), the chain wheel (27) is in transmission connection with a clutch (31), and the clutch (31) is in transmission connection with a mulching film roller (10) and a grid roller (9).