阅读说明：本技术 一种马铃薯收获装置 (Potato harvesting device ) 是由 唐兴隆 张涛 庞有伦 李英 崔晋波 赵平 王虹 于 2020-05-29 设计创作，主要内容包括：本发明提供了一种马铃薯收获装置,涉及农业机械技术领域,该马铃薯收获装置,包括行走底架、杀秧机构、挖掘机构、土薯分离机构、薯块纵向提升机构和送袋机构,土薯分离机构包括接料斗、土薯输送带和第一振动块,接料斗与挖掘机构连接,用于承接挖出的马铃薯,土薯输送带与接料斗连接,用于将马铃薯向后端运输,接料斗的底部呈格栅状,第一振动块设置在接料斗外,以使接料斗处于振动状态。相较于现有技术,本发明提供的马铃薯收获装置,能够集杀秧、挖掘、土薯分离、薯块升运和收集功能于一体,提高了马铃薯收获装置的自动化程度,此外,采用振动方式抖动马铃薯上的泥土,土薯分离效果好,能够大幅降低马铃薯上的泥土粘接量。(The invention provides a potato harvesting device, which relates to the technical field of agricultural machinery and comprises a walking underframe, a seedling killing mechanism, an excavating mechanism, a soil and potato separating mechanism, a potato block longitudinal lifting mechanism and a bag conveying mechanism, wherein the soil and potato separating mechanism comprises a receiving hopper, a soil and potato conveying belt and a first vibrating block, the receiving hopper is connected with the excavating mechanism and used for receiving excavated potatoes, the soil and potato conveying belt is connected with the receiving hopper and used for transporting the potatoes to the rear end, the bottom of the receiving hopper is in a grid shape, and the first vibrating block is arranged outside the receiving hopper so as to enable the receiving hopper to be in a vibrating state. Compared with the prior art, the potato harvesting device provided by the invention can integrate functions of seedling killing, digging, soil and potato separation, potato block lifting and collecting, the automation degree of the potato harvesting device is improved, in addition, soil on potatoes is shaken in a vibration mode, the soil and potato separation effect is good, and the soil adhesion amount on the potatoes can be greatly reduced.)

1. A potato harvesting device is characterized by comprising a walking chassis, a seedling killing mechanism, an excavating mechanism, a soil and potato separating mechanism, a potato block vertical lifting mechanism and a bag conveying mechanism, wherein the seedling killing mechanism is arranged at the front end of the walking chassis and used for cutting potato stems and leaves, the excavating mechanism is arranged at the bottom of the front end of the walking chassis and used for digging out potatoes, the soil and potato separating mechanism comprises a receiving hopper, a soil and potato conveying belt and a first vibrating block, the receiving hopper is connected with the excavating mechanism and used for receiving the dug-out potatoes, the soil and potato conveying belt is connected with the receiving hopper and used for conveying the potatoes to the rear end, the bottom of the receiving hopper is in a grid shape, the first vibrating block is arranged outside the receiving hopper so as to enable the receiving hopper to be in a vibrating state, the potato block vertical lifting mechanism is arranged at the rear end of the walking chassis and close to the end part of the soil and potato conveying belt, the potato conveying belt is used for conveying potatoes, the bag conveying mechanism is arranged on the upper portion of the walking chassis and extends towards one side of the walking chassis, and the potato conveying belt is used for conveying potatoes into a packaging bag arranged on one side of the walking chassis.

2. The potato harvesting device of claim 1, wherein the potato conveyor belt is disposed in an inclined manner, and the potato conveyor belt is covered with a baking box, the baking box is also disposed in an inclined manner, and a hot air blower is further disposed at an end of the baking box close to the receiving hopper, and the hot air blower is used for blowing hot air into the baking box to dry the potatoes.

3. The potato harvesting device of claim 2, wherein a vibrating box for receiving the dried potatoes is further disposed at an end of the potato conveying belt away from the receiving hopper, a discharge port is formed in one side of the vibrating box, a vibrating screen communicated with the outside is disposed at the bottom of the vibrating box, the vibrating screen is obliquely disposed and extends downwards to the discharge port, so that the potatoes roll to the discharge port along the vibrating screen, and the potato block longitudinal lifting mechanism is connected with the vibrating box and disposed opposite to the discharge port, and is used for lifting the potatoes.

4. The potato harvesting device of claim 3, wherein the vibrating screen is movably disposed at the bottom of the vibrating box, and a second vibrating block is disposed at a side of the vibrating screen away from the discharging hole, so that the vibrating screen is in a vibrating state.

5. Potato harvesting device according to claim 3, characterized in that, potato piece vertical lifting device includes promotion tray, crane, lift driving piece and backstop board, the crane sets up on the walking chassis, the lift driving piece sets up on the crane, promote the tray activity set up on the crane and with the transmission of lift driving piece is connected, be used for up-and-down reciprocating motion under the drive of lift driving piece, the backstop board sets up the discharge gate, the backstop board is used for when promoting the tray and rising backstop the potato in the discharge gate, and when promoting the tray and descending remove to the backstop of discharge gate.

6. The potato harvesting device of claim 5, wherein the stop plate comprises a plate body and a rotating shaft which are integrally arranged, two ends of the rotating shaft are rotatably arranged at two ends of the discharge port, so that the plate body can rotate around the rotating shaft and open or close the discharge port, guide cylinders are arranged around the lifting tray, and the guide cylinders are used for abutting against the stop plate when the lifting tray is lifted, so that the discharge port is closed by the stop plate.

7. The potato harvesting device of claim 5, wherein the bag feeding mechanism comprises a conveying barrel, the end of the lifting tray is provided with an open slot, an opening and closing door is movably arranged on the open slot and used for opening or closing the open slot, one end of the conveying barrel is connected with the lifting frame, the lifting tray is corresponding to the open slot when ascending to the top end, one side of the walking chassis is further provided with a bearing plate, the bearing plate is provided with a material receiving groove, the material receiving groove is internally provided with the packaging bag, the other end of the conveying barrel extends outwards and extends to the upper part of the material receiving groove, and the conveying barrel is used for conveying potatoes to the packaging bag from the lifting tray.

8. The potato harvesting apparatus of claim 2, wherein the potato conveyor belt is provided with a plurality of friction crossbars spaced apart on the conveying surface of the potato conveyor belt for carrying and rubbing the potatoes.

9. The potato harvesting device of claim 1, wherein a fixed grid and a movable grid are disposed at the bottom of the receiving hopper, the fixed grid is fixedly connected with the receiving hopper, sliding grooves are disposed on opposite side walls of the receiving hopper, the movable grid is slidably disposed in the sliding grooves, and a movable member is further disposed at an end of the receiving hopper and used for driving the movable grid to reciprocate in the sliding grooves.

10. The potato harvesting device of claim 1, wherein the seedling killing mechanism comprises two roller shutter cutting disks arranged at the front end of the walking chassis, and cutting edges are uniformly arranged on the edge of each roller shutter cutting disk.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a potato harvesting device.

Background

Disclosure of Invention

The invention provides a potato harvesting device which can solve the problems, integrates multiple functions and can effectively solve the problem of difficult separation of potatoes.

In order to solve the problems, the invention adopts the following technical scheme.

A potato harvesting device comprises a walking chassis, a seedling killing mechanism, an excavating mechanism, a soil and potato separating mechanism, a potato block vertical lifting mechanism and a bag conveying mechanism, wherein the seedling killing mechanism is arranged at the front end of the walking chassis and used for cutting potato stems and leaves, the excavating mechanism is arranged at the bottom of the front end of the walking chassis and used for digging potatoes, the soil and potato separating mechanism comprises a receiving hopper, a soil and potato conveying belt and a first vibrating block, the receiving hopper is connected with the excavating mechanism and used for receiving the dug potatoes, the soil and potato conveying belt is connected with the receiving hopper and used for conveying the potatoes to the rear end, the bottom of the receiving hopper is in a grid shape, the first vibrating block is arranged outside the receiving hopper so as to enable the receiving hopper to be in a vibrating state, the potato block vertical lifting mechanism is arranged at the rear end of the walking chassis and close to the end part of the potato conveying belt, the potato conveying belt is used for conveying potatoes, the bag conveying mechanism is arranged on the upper portion of the walking chassis and extends towards one side of the walking chassis, and the potato conveying belt is used for conveying potatoes into a packaging bag arranged on one side of the walking chassis.

Further, the slope of potato conveyer belt sets up, just potato conveyer belt dustcoat is equipped with toasts the case, toast the case and also set up in an inclined manner, just it is close to toast the case the one end that connects the hopper still is provided with the air heater, the air heater be used for to toast and blow in hot-blastly in the case, with the stoving the potato.

Further, the soil potato conveyer belt is kept away from connect the one end of hopper still to be provided with and be used for receiving after drying the vibration case of potato, the discharge gate has been seted up to one side of vibration case, the bottom of vibration case is provided with the vibrating screen with outside intercommunication, the vibrating screen slope sets up and downwardly extending extremely the discharge gate, so that the potato is followed the vibrating screen rolls extremely the discharge gate, potato piece vertical hoisting mechanism with the vibration case is connected and with the discharge gate sets up relatively, is used for promoting the potato.

Further, the vibrating screen activity sets up the bottom of vibration case, just the vibrating screen is kept away from one side of discharge gate is provided with the second vibrating mass, so that the vibrating screen is in the vibration state.

Further, the vertical hoisting device of potato piece is including promoting tray, crane, lift driving piece and backstop board, the crane sets up on the walking chassis, the lift driving piece sets up on the crane, it sets up to promote the tray activity the crane go up and with the transmission of lift driving piece is connected, is used for reciprocating motion about under the drive of lift driving piece, the backstop board sets up the discharge gate, the backstop board is used for promote the tray when rising the backstop in the discharge gate the potato, and it is right to remove when promoting the tray and descend the backstop of discharge gate.

Further, the backstop board includes integrative plate body and the pivot that sets up, the both ends of pivot rotationally set up the both ends of discharge gate, so that the plate body can wind the pivot is rotated and is opened or close the discharge gate, promote the tray and be provided with the guide cylinder all around, the guide cylinder is used for promoting the tray when rising to support and hold on the backstop board, so that the backstop board is closed the discharge gate.

Further, send a bag mechanism including a transport cylinder, the tip that promotes the tray is provided with the open slot, the activity is provided with the retractable door on the open slot, the retractable door is used for opening or closing the open slot, the one end of a transport cylinder with the crane is connected, and when promoting the tray and rise to the top with the open slot is corresponding, one side of walking chassis still is provided with the loading board, be provided with on the loading board and connect the silo, connect to be provided with in the silo the wrapping bag, the other end of a transport cylinder stretches out outwards and extends to connect the top of silo, be used for with the potato is followed it carries to promote the tray the wrapping bag.

Furthermore, a plurality of friction cross blocks are arranged on the potato conveying belt, and the friction cross blocks are arranged on the conveying surface of the potato conveying belt at intervals and used for bearing and rubbing the potatoes.

Furthermore, the bottom of the receiving hopper is provided with a fixed grid and a movable grid, the fixed grid is fixedly connected with the receiving hopper, the side wall of the receiving hopper opposite to the side wall of the receiving hopper is provided with a sliding groove, the movable grid is arranged in the sliding groove in a sliding manner, the end part of the receiving hopper is also provided with a movable part, and the movable part is used for driving the movable grid to reciprocate in the sliding groove.

Furthermore, the seedling killing mechanism comprises two rolling curtain cutting disks arranged at the front end of the walking chassis, and the edge of each rolling curtain cutting disk is uniformly provided with a cutting edge.

The potato harvesting device provided by the invention has the following beneficial effects:

according to the potato harvesting device provided by the invention, the potato stems and leaves are cut by the seedling killing mechanism, the potatoes are dug out by the digging mechanism, the dug-out potatoes are carried by the receiving hopper, the potato conveying belt is connected with the receiving hopper and used for conveying the potatoes backwards, and the receiving hopper is provided with the first vibrating block, so that the receiving hopper is in a vibrating state, most soil on the potatoes is vibrated to fall off and is discharged to the ground through the bottom grating, and the separation of the soil and the potatoes is realized. And then the functions of potato piece lifting and collecting are realized through the potato piece longitudinal lifting mechanism and the potato piece conveying mechanism at the rear end. Compared with the prior art, the potato harvesting device provided by the invention can integrate functions of seedling killing, digging, soil and potato separation, potato block lifting and collecting, the automation degree of the potato harvesting device is improved, in addition, the soil and potato separation of the potatoes is realized through the material receiving hopper, the soil on the potatoes is shaken in a vibration mode, the soil and potato separation effect is good, and the soil adhesion amount on the potatoes can be greatly reduced.

Drawings

FIG. 1 is a schematic structural view of a potato harvesting apparatus provided in the present invention;

FIG. 2 is a top view of the receiving hopper of FIG. 1;

FIG. 3 is a side cross-sectional view of the receiving hopper of FIG. 1;

FIG. 4 is a top view of the potato conveyor belt of FIG. 1;

FIG. 5 is a schematic view of a first partial structure of a potato harvesting apparatus provided in accordance with the present invention;

FIG. 6 is a schematic view of a second partial configuration of a potato harvesting apparatus provided in accordance with the present invention;

FIG. 7 is a side view of the seedling killing mechanism of FIG. 1;

FIG. 8 is a top view of the seedling killing mechanism of FIG. 1.

Description of reference numerals:

the attached drawings are as follows: 1-potato harvesting means; 2-a walking underframe; 3-a seedling killing mechanism; 4-a digging mechanism; 5-a potato and soil separating mechanism; 6-potato block longitudinal lifting mechanism; 7-a bag feeding mechanism; 8-a receiving hopper; 9-potato conveyer belt; 10-a first vibrating mass; 11-a travelling wheel; 12-a fixed grid; 13-a movable grid; 131-a movable member; 14-a baking oven; 15-a hot air blower; 16-friction cross block; 17-a vibration box; 18-a vibrating mesh; 19-a discharge hole; 20-a second vibrating mass; 21-lifting the pallet; 22-a lifting frame; 23-a lifting drive; 24-a stopper plate; 25-a guide cylinder; 26-a delivery cylinder; 27-opening and closing the door; 28-a carrier plate; 29-material receiving groove; 30-packaging the bag; 31-rolling shutter cutting disc; 32-cutting edge.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

First embodiment

With reference to fig. 1 to 3, this embodiment provides a potato harvesting apparatus 1, can collect to kill the seedling, excavate, soil potato separation, potato piece lift and collect function in an organic whole, has improved potato harvesting apparatus 1's degree of automation, in addition, adopts the earth on the vibration mode shake potato, and soil potato separation is effectual, can reduce the earth bonding volume on the potato by a wide margin.

The potato harvesting device 1 provided by the embodiment comprises a walking chassis 2, a seedling killing mechanism 3, an excavating mechanism 4, a potato separating mechanism 5, a potato piece longitudinal lifting mechanism 6 and a bag conveying mechanism 7, wherein the seedling killing mechanism 3 is arranged at the front end of the walking chassis 2 and used for cutting potato stems and leaves, the excavating mechanism 4 is arranged at the bottom of the front end of the walking chassis 2 and used for excavating potatoes, the potato separating mechanism 5 comprises a receiving hopper 8, a potato conveying belt 9 and a first vibrating block 10, the receiving hopper 8 is connected with the excavating mechanism 4 and used for receiving the excavated potatoes, the potato conveying belt 9 is connected with the receiving hopper 8 and used for conveying the potatoes to the rear end, the bottom of the receiving hopper 8 is in a grid shape, the first vibrating block 10 is arranged outside the receiving hopper 8 so as to enable the receiving hopper 8 to be in a vibrating state, the potato piece longitudinal lifting mechanism 6 is arranged at the rear end of the walking chassis 2 and close to the end of the potato conveying belt 9, for lifting the potatoes conveyed by the potato conveyor belt 9, a bag feeding mechanism 7 is provided at the upper portion of the traveling chassis 2 and extends toward one side of the traveling chassis 2 for feeding the potatoes into a packaging bag 30 provided at one side of the traveling chassis 2.

The potato harvesting device 1 that this embodiment provided, through killing 3 cutting potato stems and leaves of seedling mechanism, dig out the potato through excavating mechanism 4, bear the potato of digging out through connecing hopper 8, potato conveyer belt 9 with connect hopper 8 to be connected for with the potato transportation backward, connect and be provided with first vibrating mass 10 on the hopper 8, thereby make to connect hopper 8 to be in the vibration state, most earth vibration with on the potato drops, and arrange to ground through the grid of bottom, realize the potato separation. And then the functions of potato block lifting and collecting are realized through the potato block longitudinal lifting mechanism 6 and the delivery mechanism at the rear end.

In this embodiment, the two sides of the walking chassis 2 are provided with walking wheels 11, and the walking chassis 2 and the parts arranged on the walking chassis 2 are driven to move by the walking wheels 11. Specifically, a driving mechanism, such as a diesel engine or an electric motor, is further disposed on the traveling chassis 2 to drive and control the traveling wheels 11 to rotate. The specific structure and walking principle of the walking chassis 2 can be referred to various agricultural machine walking chassis in the prior art, and are not described in detail here.

In this embodiment, connect the bottom of hopper 8 to set up fixed grid 12 and movable grid 13, fixed grid 12 with connect hopper 8 fixed connection, connect and seted up the spout on the relative lateral wall of hopper 8, movable grid 13 slides and sets up in the spout, connect the tip of hopper 8 still to be provided with moving part 131, moving part 131 is used for driving movable grid 13 and is reciprocating motion in the spout. Specifically, moving part 131 is the cam structure, and fixed grid 12 is fixed to be set up in the bottom that connects hopper 8, and activity grid 13 can be along the fore-and-aft direction motion under the drive of cam structure to make activity grid 13 be in the activity state around, further make the potato on the activity grid 13 roll around and vibrate, promote soil potato separation effect.

In this embodiment, potato conveyer belt 9 slope sets up, and potato conveyer belt 9 dustcoat is equipped with toasts case 14, toasts the case 14 and also inclines to set up, and toasts the case 14 and still be provided with air heater 15 near the one end that connects hopper 8, and air heater 15 is used for blowing in hot-blast to toasting the incasement 14 to the potato of drying. Through setting up toast case 14 to set up air heater 15 on toasting case 14, can fully dry the potato on the potato conveyer belt 9, thereby make can dry through the earth that connects hopper 8 to not detach, and reduce the bonding ability between earth and the potato.

Further, a plurality of friction cross blocks 16 are arranged on the potato conveying belt 9, and the friction cross blocks 16 are arranged on the conveying surface of the potato conveying belt 9 at intervals and used for bearing and rubbing potatoes. Through setting up the friction horizontal block 16, can improve potato conveyer belt 9's transport capacity, avoid the potato to skid or roll.

In this embodiment, soil potato conveyer belt 9 is belt conveyors, including drive roll and driven voller, and the drive roll is connected with a driving piece, and the belt winding is on drive roll and driven voller to rotate under the drive of drive roll, wherein the one end of belt is close to connecing hopper 8, and with the clearance about 1cm that exists between the edge that connects hopper 8, make to connect hopper 8 can not influence the rotation of belt, also can not spill qualified potato simultaneously.

In this embodiment, the potato conveyor belt 9 forms an included angle of about 15-20 degrees with respect to the horizontal plane, and integrally lifts the potatoes from a position close to the ground slightly upward, thereby facilitating the subsequent vibration or throwing and desliming actions.

In this embodiment, bake out the both ends of case 14 and all seted up the opening that supplies potato conveyer belt 9 to penetrate and wear out, and air heater 15 provides the heat through the mode of resistance wire heating, sends into the opening of lower extreme again with hot-blast, and wind is by the lower extreme upward movement who toasts out case 14 to make whole bake out the interior environment that is in high temperature, drying all the time of case 14, can dry the operation to the potato rapidly.

It should be noted that the drying effect of the potatoes is related to the temperature, the wind speed, etc. of the hot wind provided by the hot wind blower 15, and also related to the drying time, i.e. the length of the potato conveyor 9, and the drying quality can be ensured by increasing the temperature or the drying time.

In this embodiment, the one end that soil potato conveyer belt 9 kept away from and connect hopper 8 still is provided with the vibrating bin 17 that is used for receiving the potato after the stoving, and discharge gate 19 has been seted up to one side of vibrating bin 17, and the bottom of vibrating bin 17 is provided with the vibrating screen 18 with outside intercommunication, and vibrating screen 18 slope sets up and downwardly extending to discharge gate 19 to make the potato roll to discharge gate 19 along vibrating screen 18, and potato piece vertical lifting mechanism 6 is connected with vibrating bin 17 and sets up with discharge gate 19 relatively, is used for promoting the potato. Through setting up vibrating bin 17 to set up vibrating screen 18 in the bottom, thereby make the potato after the stoving can realize vibrating once more and take off mud, further improve soil potato separation effect.

In this embodiment, the vibrating box 17 is arranged at the discharging end of the potato conveying belt 9, so that the potatoes can directly fall onto the vibrating screen 18 in the vibrating box 17 from the potato conveying belt 9 to realize secondary vibration desliming. And the vibrating screen 18 is arranged obliquely, and the lower end of the vibrating screen is positioned at one side of the discharging hole 19, so that the potatoes can move towards the discharging hole 19 under the action of gravity. In addition, vibrating screen 18 is located the below of the discharge end of soil potato conveyer belt 9 to make the potato can fall into vibration case 17 with the form of shedding, thereby can shake the soil after drying on the potato and fall.

In the present embodiment, the vibrating screen 18 is movably disposed at the bottom of the vibrating box 17, and a second vibrating block 20 is disposed on a side of the vibrating screen 18 away from the discharging hole 19, so that the vibrating screen 18 is in a vibrating state. The vibrating screen 18 is driven to vibrate by the second vibrating block 20, so that the potatoes on the vibrating screen 18 are driven to vibrate, soil on the potatoes falls off, and then the potatoes fall to the ground through meshes on the vibrating screen 18.

It should be noted that, in the present embodiment, the first vibration block 10 and the second vibration block 20 are both of vibration motor structures, which can generate strong vibration, wherein the first vibration block 10 can drive the receiving hopper 8 to vibrate, and the second vibration block 20 can drive the vibration net 18 to vibrate. The vibration amplitude can be designed according to the requirement, for example, when the receiving hopper 8 is installed, an installation allowance is reserved, so that the receiving hopper can freely move in a small amplitude, the first vibrating block 10 is arranged in a matching mode, so that the vibration effect can be realized, and similarly, when the vibrating net 18 is installed, a certain installation allowance can be reserved, so that the vibrating net can be matched with the second vibrating block 20 to realize the vibration effect.

The vertical hoisting device of potato piece is including promoting tray 21, crane 22, lift driving piece 23 and backstop board 24, crane 22 sets up on walking chassis 2, lift driving piece 23 sets up on crane 22, lift tray 21 activity sets up on crane 22 and is connected with lift driving piece 23 transmission, a reciprocating motion about being used for under the drive of lift driving piece 23, backstop board 24 sets up at discharge gate 19, backstop board 24 is arranged in the potato in backstop discharge gate 19 when promoting tray 21 and rising, and remove the backstop to discharge gate 19 when promoting tray 21 and descend. The lifting tray 21 is driven to move by the lifting driving piece 23, specifically, the lifting driving piece 23 is a driving hydraulic cylinder which is vertically arranged, so that the lifting tray 21 is driven to reciprocate in the vertical direction.

In this embodiment, the lifting frame 22 is provided with a sliding groove along the vertical direction, and the lifting tray 21 is slidably disposed in the sliding groove, so as to be driven by the lifting driving member 23 to move up and down along the sliding groove.

In the embodiment, the movement process is as follows: when the lifting tray 21 is positioned at the bottom end, the stop plate 24 is opened, potatoes on the vibrating screen 18 roll out of the discharge port 19 and roll into the lifting tray 21 under the action of gravity, the lifting tray 21 rises periodically or is controlled manually to rise, when the lifting tray 21 rises, the stop plate 24 is in a closed state, the discharge port 19 is closed at the moment, and the potatoes on the vibrating screen 18 are gathered in the vibrating box 17. The lifting tray 21 is raised to the top and lowered after unloading, and when lowered again to the bottom, the stopper plate 24 is opened again, thereby forming a lifting cycle.

In this embodiment, the stop plate 24 includes a plate body and a rotating shaft, which are integrally disposed, two ends of the rotating shaft are rotatably disposed at two ends of the discharge hole 19, so that the plate body can rotate around the rotating shaft and open or close the discharge hole 19, guide cylinders 25 are disposed around the lifting tray 21, and the guide cylinders 25 are used for abutting against the stop plate 24 when the lifting tray 21 rises, so that the stop plate 24 closes the discharge hole 19. By providing the guide cylinder 25, a guiding function of ascending or descending the lifting tray 21 can be performed, and the lifting tray 21 can be abutted against the stopper plate 24 when ascending, so that the stopper plate 24 is in a closed state.

The principle of the stopper plate 24 is described in detail below: the plate body is rotatably connected to the vibration box 17 through a rotating shaft, the other side edge of the plate body extends outwards (is in an open state) from the discharge hole 19, the lifting tray 21 is located at the bottom end, the stop plate 24 extends to the position above the lifting tray 21, so that the potatoes roll into the lifting tray 21 from the vibration net 18 along the stop plate 24, when the lifting tray 21 rises, the edge of the stop plate 24 is located on a rising path of the lifting tray 21, the edge of the lifting tray 21 can abut against the edge of the stop plate 24, the lifting tray rotates to close the discharge hole 19, in the process that the lifting tray 21 continues to rise, the lifting tray continues to abut against the stop plate 24 through the guide cylinder 25, the discharge hole 19 is always in a closed state, when the lifting tray 21 descends, the process is opposite, and the stop plate 24 opens the discharge hole 19.

Send a bag mechanism 7 including carrying a section of thick bamboo 26, the tip that promotes tray 21 is provided with the open slot, the activity is provided with the opening and shutting door 27 on the open slot, opening and shutting door 27 is used for opening or closing the open slot, the one end and the crane 22 of carrying a section of thick bamboo 26 are connected, and it is corresponding with the open slot when the top rises to promote tray 21, one side of walking chassis 2 still is provided with loading board 28, be provided with on the loading board 28 and connect silo 29, connect and be provided with wrapping bag 30 in the silo 29, the other end of carrying a section of thick bamboo 26 outwards stretches out and extends to the top that connects silo 29, be used for carrying the potato to wrapping bag. Through setting up a transport cylinder 26, can send into wrapping bag 30 with the potato, conveniently pack.

In this embodiment, the opening/closing door 27 can be opened manually or automatically, a height sensor can be disposed at the end of the lifting tray 21, and when the lifting tray 21 moves to the top, the opening/closing door 27 is opened automatically.

In the present embodiment, the seedling killing mechanism 3 includes two roller shutter cutting disks 31 disposed at the front end of the traveling chassis 2, and the edge of each roller shutter cutting disk 31 is uniformly provided with a cutting edge 32. Specifically, roll up curtain cutting disc 31 and drive through two synchronous drive's motor to can be quick cut the stem leaf of potato through cutting edge 32, realize killing the seedling function.

In conclusion, the potato harvesting device 1 that this embodiment provided, through killing seedling mechanism 3 cutting potato stem leaf, dig out the potato through excavating mechanism 4, bear the potato of digging out through connecing hopper 8, potato conveyer belt 9 with connect hopper 8 to be connected for with the potato transportation backward, connect to be provided with first vibrating mass 10 on the hopper 8, thereby make to connect hopper 8 to be in the vibration state, most earth vibration with on the potato drops, and arrange to ground through the grid of bottom, realize the soil and potato separation. And then the functions of potato block lifting and collecting are realized through the potato block longitudinal lifting mechanism 6 and the delivery mechanism at the rear end. And the soil and potato separation is realized through the processes of vibration, friction, throwing and the like for many times, and the soil and potato separation effect is improved.

It is noted that the above detailed description of the embodiments of the invention presented in the drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships conventionally put on the products of the present invention when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.