JP3672514B2 - Root cutting device for root crop harvester - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is equipped with a root crop harvesting machine equipped with a transport device that lifts and transports a root vegetable in a suspended position from a field while sandwiching a leaf portion of the root vegetable, and the body root of the root root of the root vegetable transported by the transport device The present invention relates to a root cutting device for a root vegetable harvesting machine that is cut off by a rotary blade that rotates around a horizontal axis.
[0002]
[Prior art]
In the hair root cutting device, a guide is provided on the outer peripheral side of the moving path of the rotary blade, and by this guide, the lower end portion of the transport root vegetable by the transport device is guided to the rotary blade, and the rotary blade at the lower end portion of the root vegetable It is configured to cut the root of the hair root by regulating the length of entry into the movement path. However, in the conventional hair root cutting device, the guide is made of a plate, and the following trouble is caused. I was out.
[0003]
[Problems to be solved by the invention]
Harvesting may be done during or after rainfall. Root vegetables may be cultivated in clay fields. In particular, in this case, the root vegetables are often transported by the transport device with mud adhering to the root cutting device. Then, in the case of the conventional root cutting device, mud soil adheres to the guide plate and accumulates, and the root root does not reach the rotary blade sufficiently because of the deposited soil, and only the tip of the root root is cut and harvested to the root vegetables to be harvested. Sometimes the root side of the hair root remained.
In addition, the guide is provided with a gap along the moving path of the rotary blade, and the hair root is dropped into the rotary blade from this gap. However, the gap is clogged with soil, and the hair root cannot be cut. It was.
[0004]
An object of the present invention is to provide a root cutting device for a root crop harvester that can accurately cut a root root regardless of the presence or absence of mud.
[0005]
[Means for Solving the Problems]
The configuration, operation, and effect of the invention according to claim 1 are as follows.
[0006]
〔Constitution〕
It is equipped in a root crop harvesting machine equipped with a transporting device that lifts and transports root vegetables in a suspended posture from the field while sandwiching the root vegetable leaf part, and the shaft at the bottom of the root vegetables transported by the transporting device is oriented horizontally to the machine body. In a root cutting device for a root crop harvester that is cut off by a rotating blade that rotates around,
A guide which is located on the outer peripheral side of the moving path of the rotary blade and guides the lower end portion of the root vegetable conveyed by the conveying device to the rotary blade and regulates the length of the root vegetable lower end portion entering the rotary blade moving path. A curved guide rod that is disposed on the outer peripheral side close to the rotary blade movement path and forms a guide rod gap for dropping the root of the root of the root vegetable into the rotary blade movement path R; The apparatus is further provided with a plurality of lateral guide rods that form a plurality of mud dropping holes between the positions on both sides in the circumferential direction in a state where the machine body is in the lateral axis direction and the outside is away from the rotary blade movement path. is there.
[0007]
[Action]
The lower end of the root vegetable conveyed by the conveying device is guided to the rotary blade by the guide, and the length of the root vegetable lower end entering the rotary blade moving path is regulated by the guide, and the rotary blade acts on the root of the hair root. In this way, the cutting process is performed.
The guide is arranged on the outer peripheral side close to the rotary blade movement path, a guide guide that forms a gap between the lower root of the root vegetable into the rotary blade movement path, and a curved guide rod that forms a gap between the curved guide rod and the lateral axis direction of the machine body In the state where the outer side is away from the rotary blade moving path, and is provided with a plurality of laterally facing guide rods forming a plurality of mud fall holes between the circumferential positions , the mud is on the guide. Even if it falls, it hardly adheres to the guide, and it is difficult to fall and accumulate from the mud fall hole, and the guide and the regulation by the guide can be accurately performed without being affected by the mud.
[0008]
〔effect〕
Therefore, regardless of whether mud is not attached to the root vegetables, the root vegetables are cut at the base by accurately performing the guidance and regulation of the root vegetables, and the root vegetables have a high quality state where the root roots do not remain as much as possible. To be harvested.
[0009]
The structure, operation, and effect of the invention according to claim 2 are as follows.
[0010]
〔Constitution〕
In the configuration of the invention according to claim 1, a scraper that rotates along the back side of the guide and cleans the guide and the rotary blade are provided so as to be interlocked with an output portion of the same drive means .
[0011]
[Action]
If the root of the hair is entangled with the guide rod, it may cause mud to adhere or accumulate, but even if the entanglement occurs, it is removed by the scraper rotating on the back side of the guide, and this surface Therefore, the guide action and regulation action of the guide can be performed with high accuracy by avoiding adhesion and accumulation of mud.
[0012]
〔effect〕
Therefore, even if a foreign object is entangled with the guide rod, it is naturally removed and the accuracy of the guidance and regulation of the root vegetables is not lowered, and the hair root cutting can be performed with high accuracy.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1 and FIG. 2, the crawler type traveling device 1, the boarding type driving unit 2, and the rear part of the body frame 3 of the traveling unit including the driving unit having the engine E located below the driving seat 2 a, The base end portions of the pair of left and right main frames 13a of the harvesting section 10 having a pair of left and right weeding devices 11 and a grounding ring 12 on the front end side are coupled to be freely rotatable about the axis P facing the machine body. The harvesting section 10 is moved up and down by swinging the main frame 13a up and down with respect to the traveling machine body by a lift cylinder 5 having a piston connected to the base end side of the main frame 13a. A belt conveyor 40 that receives the carrot falling from the leaf portion removing device 20 located at the rear end portion of the harvesting section 10 and conveys the carrot backward, and is positioned so as to be able to be driven obliquely above the end side of the belt conveyor 40. A roller conveyor 48 that conveys the carrot fed from the belt conveyor 40 by the feed roller 57 sideways for the sorting process, a collection unit 50 that collects the carrot a from the roller conveyor 48 by the container 54, and this collection unit 50 Auxiliary loading platforms 51 and 52 that can be swung up and down in a horizontal use posture on the side and rear side of the vehicle and in a storage posture in the vertical direction of the fuselage are provided in the traveling machine body, and are located on the lateral side of the collection unit 50. The loading platform 52 is provided with an extended loading platform 55, thereby forming a carrot harvester.
[0014]
This carrot harvesting machine is for harvesting ginseng a in a state where the carrot a is removed from the field and the roots and leaves are removed as the machine runs, and is configured in detail as follows.
[0015]
The harvesting unit 10 has a pair of left and right weeding devices 11 connected to the front end side of the main frame 13a via a frame of the conveying device 14, and a starting end portion located near the rear side of the weeding device 11. The conveying device 14, a pair of left and right soil unraveling blades 15 positioned in front of the starting end of the conveying device 14, a hair root cutting device 30 positioned below the starting end side of the conveying device 14, and the conveying device 14 The leaf removing device 20 is provided behind the terminal side.
[0016]
The right and left weeding devices 11 scoop up the ginseng leaves vegetated in the field by the scoop arm 11c, and the weeds b in this scoop arm 11c with the tip side protruding forward from the weeding case 11a. By raising the raising claw 11b that moves up the front side of the case 11a, the leaves of the carrots to be harvested are separated from the leaves of the carrots to be harvested and are raised and processed.
[0017]
The left and right soil unraveling blades 15 pierce through the soil on the side of the carrot a to be harvested, and loosen the soil so that the carrot a can easily escape from the soil when the transport device 14 pulls out the carrot a from the field. .
[0018]
The conveyance device 14 drives and rotates a pair of left and right endless conveyance belts 14a in a posture of a rear upward slope in which the conveyance start end portion is located near the rear side of the pulling device 11, and the conveyance end side is located at a higher level on the rear side of the machine body. The pair of endless conveyor belts 14a are provided and freely inherited and pinched from the weeding carrot leaf part b from the weeding device 11 and conveyed upward in the rearward direction of the machine body. As a result, the transport device 14 pulls out the carrot a to be harvested from the field by the pair of endless transport belts 14a, and continues to lift and transport the leaf part as it is in a suspended posture.
[0019]
The hair root cutting device 30 includes a pair of rotary blades 31 that are positioned so as to be able to be driven and rotated around the axis X in the lateral direction of the machine body below the conveyance start end side of the conveyance device 14. The root of the carrot a in the suspended posture is cut by the rotary blade 31 and the cut root is dropped on the field.
[0020]
The leaf removing device 20 includes a pair of left and right positioning endless chains 22 whose start ends are located near the rear side of a portion located on the transport start end side from the transport end position of the pair of endless transport belts 14a of the transport device 14. A pair of left and right cutting and conveying endless belts 27 where the conveying start end is located above the end side of the chain 22, a pair of left and right rotating blades 23 located near the middle of the pair of left and right cutting and conveying endless belts 27, Each of the leaf transport endless chains 24 positioned above the pair of cut transport endless belts 27 is configured to be capable of driving and rotating.
Then, as the conveying device 14 conveys the carrot having undergone hair root cutting, the vicinity of the head of the carrot enters the lower side of the positioning endless chain 22, and thereafter, the endless conveying belt 14a of the conveying device 14 continues. When the transport end side lifts and transports the carrot, the carrot enters a positioning state in which the head is in contact with the positioning endless chain 22. The carrot leaf portion in this positioning state is cut and conveyed by the cutting and conveying endless belt 27 and the leaf portion conveying endless chain 24 from the conveying device 14, and is nipped and conveyed backward. Then, the vicinity of the carrot head in the leaf part of the transported carrot is supplied to the rotary blade 23 and cut, and the carrot falls at this cutting position. Even after the cutting, the cutting and conveying endless belt 27 and the leaf portion conveying endless chain 24 are configured to convey the leaf portion further rearward and drop it onto the discharge chute 25.
Thereby, the leaf part removing device 20 cuts the carrot leaf part after the hair root has been removed by the rotary blade 23 near the carrot head, and cuts and conveys the carrot having no hair root and leaves. Are dropped onto the belt conveyor 40, and the cut leaves are dropped onto the field by the discharge chute 25 in the direction of the machine body.
[0021]
The hair root cutting device 30 will be described in further detail as shown in FIGS.
[0022]
That is, a lateral plate 32a whose upper end side is coupled to one of the pair of left and right main frames 13a, a lateral plate 32a whose upper end side is coupled to the other, and the rear end sides of both lateral plates 32a are coupled to each other. The pair of rotary blades 31 and the pair of scrapers 33 are supported inside a rotary blade case 32 formed by a rear side plate 32b by an output portion of an electric motor 34 having a motor body fixed to the one side plate 32a. A guide 35 is provided between the pair of lateral plates 32a. The guide 35 is provided so as to be positioned outside the moving path R of the rotary blade 31 and the scraper 33.
[0023]
Both the pair of rotary blades 31 and the pair of scrapers 33 are supported by the output portion of the electric motor 34, thereby moving along the movement path R on the back side of the guide 35 around the axis X in the lateral direction of the machine body. Driven by an electric motor 34 so as to rotate.
[0024]
The guides 35 are arranged in a direction along the rotational axis X of the rotary blade 31, and an intermediate portion is along an upper portion of the moving path R of the rotary blade 31 and the scraper 33 as viewed in the direction along the rotational axis X. A pair of left and right curved guide rods 36 made of curved round bars whose front end side is connected to a support portion 32c extending from the lateral side plate 32a and whose rear end side is connected to the rear side plate 32b. Each of the pair of curved guide rods 36 is constituted by a lateral guide rod 37 made of a linear round bar extending from a plurality of locations in the longitudinal direction toward the lateral outer side of the hair root cutting device 30.
[0025]
Between the pair of curved guide rods 36, a guide rod gap D is provided for dropping the hair root of the lower end of the carrot into the moving path R of the rotary blade 31, and the front end portion 36a of each of the pair of curved guide rods 36 is connected to the carrot. The guide is configured in an inclined posture so that the lower end portion is introduced into the guide rod gap D toward the distal end side of the cutting device. Each of the lateral guide rods 37 is curved such that the distance from the rotation axis X of the rotary blade 31 increases toward the extended end side so that the lower end of the carrot is guided to the guide rod gap D. It extends from the guide rod 36. Between the guide rods 37 of the plurality of lateral guide rods 37, a guide rod interval forming a mud fall hole 38 is provided.
[0026]
In other words, the hair root cutting device 30 causes the lower end portion of the carrot a in a suspended posture, which is transported by the transport device 14, to be guided by the guide action by the inclination of the front end portion 36 a of the curved guide rod 36 and the lateral guide rod 37 of the guide 35. The guide blade gap D is introduced into the guide rod gap D, the root of the whirling blade is dropped in the movement path R of the rotary blade 31, the carrot is received by the curved guide rod 36, and the rotary blade 31 acts on the root of the hair root. The length of the moving path R of the rotary blade 31 at the lower end of the carrot is restricted so that the root of the carrot is cut from the root by the rotary blade 31 driven by the electric motor 34, and the cut root is cut off by the rotary blade case 32. Are dropped onto the field from between the side plates 32a.
[0027]
When the mud adhering to the carrot falls on the guide 35, it is dropped from the mud fall hole 38 of the guide 35 and dropped onto the farm field from between the lateral plates 32a of the rotary blade case 32. When the roots of the guide rods 36 and 37 are entangled with each other, the cutting process is performed while cleaning with the scraper 33 driven and rotated by the electric motor 34.
[0028]
[Another embodiment]
As in the above-described embodiment, in addition to the use of the guide 35 formed by combining the guide rods 36 and 37 made of round bar material, the plate is formed with a mud fall hole in a state where a bar is formed around the mud fall hole 38. The guide may be employed, and the round bar guide rods 36 and 37 and the crosspieces are collectively referred to as guide rods 36 and 37.
[0029]
When the scraper 33 is interlocked with the output portion of the same electric motor 34 as the rotary blade 31 as in the above embodiment, the scraper 33 and the rotary blade 31 can be driven with a simple drive structure using the same motor 34. However, a motor dedicated to the scraper may be employed, or a transmission mechanism that transmits the engine output to the support shaft of the scraper 33 may be employed. Accordingly, the motor 34 and the transmission mechanism are collectively referred to as drive means 34.
[0030]
The present invention can be applied to a hair root cutting device mounted on a harvesting machine for harvesting various crops such as radish in addition to carrot a. Therefore, carrots and radishes are generically called root vegetables a, and carrot harvesters and radish harvesters are generically called root vegetable harvesters.
[Brief description of the drawings]
[Fig. 1] Side view of the whole carrot harvester [Fig. 2] Plan view of the whole carrot harvester [Fig. 3] Vertical side view of the hair root cutting device [Fig. 4] Plan view of the hair root cutting device [Fig. 5] Beard Longitudinal front view of root cutting device [Fig. 6] Longitudinal front view of hair cutting device [Explanation of symbols]
14 Conveying device 31 Rotating blade 33 Scraper 34 Driving means 35 Guide 37 Guide rod X Shaft core R Moving path a Root vegetable b Leaf part

Claims (2)

A root vegetable harvester equipped with a transport device (14) that lifts and transports the root vegetable (a) in a suspended position from the field while holding the leaf (b) of the root vegetable (a), and is provided by the transport device (14). A root cutting device for root crop harvesting machine that cuts off the root root of the root vegetable to be transported by a rotary blade (31) that rotates about a lateral axis (X) of the machine body,
Located at the outer peripheral side of the moving path (R) of the rotary blade (31), guides the lower end of the root vegetable (a) conveyed by the conveying device (14) to the rotary blade (31) and lower end of the root vegetable Is provided with a guide (35) for regulating the length of entry into the rotary blade movement path (R), and this guide (35) is disposed on the outer peripheral side in the vicinity of the rotary blade movement path (R) to lower the root of the root vegetables A curved guide rod (36) that forms a guide rod gap (D) for dropping the hair root of the blade into the rotary blade movement path (R), and in the lateral axis (X) direction of the machine body from the curved guide rod (36), and In a state where the outer side is separated from the rotary blade moving path (R), a plurality of laterally directed guide rods (37) that form a plurality of mud dropping holes (38) therebetween are provided. A root cutting machine for root crop harvesting machines. The scraper (33) that rotates along the back side of the guide (35) to clean the guide (35) and the rotary blade (31) are interlocked with the output portion of the same drive means (34). The root cutting device for a root vegetable harvester according to claim 1, wherein

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