KR102276962B1 - Sweet Potato Harvesting Apparatus And Sweet Potato Harvesting Method Using The Same - Google Patents

Abstract

Disclosed are a sweet potato harvesting device and a sweet potato harvesting device using the same. According to an embodiment, a sweet potato harvesting device comprises: a body frame including a first frame hinged to a left low link and a right low link, a second frame spaced apart from the first frame by a predetermined distance to the rear and integrally bound to the first frame, and a top link binding frame mounted on the first frame and the second frame and hinged with a top link; an extension frame formed in an integrated structure and including a first extension frame drawn in or discharged to one side of the first frame, a second extension frame drawn in or discharged to one side of the second frame, and a third extension frame spaced apart from the first extension frame and the second extension frame by a predetermined height to form the integrated structure; a sweet potato excavation unit which is mounted on the second frame and the second extension frame by being spaced apart by a predetermined distance, and mounts a disc-shaped excavation plate mounted to form a predetermined angle with a traveling direction of a tractor so as to be rotatably in a state of being inserted into soil by a predetermined depth; and a frame support unit which is mounted on the first frame and the first extension frame by being spaced apart by a predetermined distance, and rotates, along a soil surface, a support plate of the disc-shaped structure mounted in a direction parallel to the traveling direction of the tractor to support the body frame at a predetermined height from the soil surface. According to the present invention, the device can excavate a sweet potato in the soil without damage.

Description

Sweet Potato Harvesting Apparatus And Sweet Potato Harvesting Method Using The Same

The present invention relates to a sweet potato harvesting apparatus and a method for harvesting sweet potatoes using the same, and more particularly, it is possible to plow the soil mulched with biodegradable vinyl together with the sweet potato shoots and at the same time excavate the sweet potatoes in the soil without damage. It relates to a sweet potato harvesting apparatus comprising a composition and a method for harvesting sweet potatoes using the same.

Sweet potatoes are a crop rich in fiber, vitamin C, and beta-carotene, which has recently been attracting attention, and are spotlighted as a health food to prevent various adult diseases. In particular, in recent years, as various pharmacological effects have been revealed, the demand for it is gradually increasing, and therefore it is cultivated in many farms.

However, such sweet potatoes are inconvenient in that they have to be manually harvested with a lot of time and effort.

That is, since sweet potatoes are harvested from the ground, it is pointed out that in order to harvest sweet potatoes from the ground, the operator has to dig up the ground one by one, then dig up the sweet potatoes, and shake off the soil one by one from the dug up sweet potatoes.

In order to solve the above problems, a sweet potato harvesting device attached to a tiller of Korean Patent No. 652515 has been developed.

As shown in Figure 1, the domestic patent registration No. 652515 attachment-type sweet potato harvesting device includes a frame 110 detachably connected to a cultivator, and a plurality of rotatably installed on the frame for cutting sweet potato stems on the ground. A sweet potato stem processing unit 100 having a rotating shaft 130 having a cutting blade 140 and a power transmitting means for transmitting the power of the PTO shaft of the cultivator to the rotating shaft; A main frame 210 detachably connected to the cultivator, a rotating frame 220 rotatably installed on the main frame, a gulchwi blade 230 installed on the rotating frame and digging up a sweet potato field to dig up sweet potatoes; The filter body 240 installed on the gulchwi blade so as to support and support the sweet potato mined by the gulchwi blade, and a rotation to support the filter body so that foreign substances attached to the sweet potato can be shaken off by vibrating the filter unit. A cultivator attachment type sweet potato harvesting device including a sweet potato excavating unit 200 having a vibration means for vibrating a frame has been developed.

The cultivator-attached sweet potato harvesting device developed with the domestic registration patent No. 652515 is largely divided into a sweet potato stem processing unit 100 for processing sweet potato stems and a sweet potato digging unit 200 for excavating sweet potatoes, and processing sweet potato stems The inconvenience of having to install the sweet potato stem processing unit 100 and the sweet potato excavating unit 200 in the cultivator according to the work and the excavating of the sweet potato, and the sweet potato stem processing unit 100 and the sweet potato excavating unit ( 200) must be moved at the same time, so the inconvenience of moving the sweet potato stem processing unit 100 and the sweet potato excavating unit 200 must always be loaded and moved in the loading box of the cultivator, and the sweet potato stem processing unit 100 composed of two devices. ) and the sweet potato excavation unit 200, respectively, has the disadvantage of having an economic burden to purchase.

In addition, in the sweet potato harvesting method according to the prior art, after performing the operation of removing the stem of the sweet potato, the operation of removing the vinyl mulched on the soil surface is performed. After that, the exposed soil is plowed over to excavate the sweet potatoes grown in the soil. The method for harvesting sweet potatoes according to the prior art in which such a series of processes is performed has a problem in that it takes a lot of manpower and time for the harvesting process.

Therefore, there is a need for a technique capable of solving the above-mentioned problems according to the prior art.

Korean Patent Publication No. 10-0652515 (Registration Date: November 24, 2006)

An object of the present invention is to provide a sweet potato harvesting apparatus comprising a configuration capable of excavating the soil mulched by biodegradable vinyl together with the sweet potato shoots and at the same time excavating the sweet potato in the soil without damage, and a method of harvesting sweet potatoes using the same. will provide

A sweet potato harvesting device according to an aspect of the present invention for achieving this object is a sweet potato harvesting device mounted on a left low link, a right low link and a top link mounted on the rear of a tractor, wherein the left low link and the right low link a first frame hinged with the first frame, a second frame spaced apart from the first frame by a predetermined distance to the rear and integrally bound, and a top link binding frame mounted on top of the first frame and the second frame and hinged with the top link a body frame comprising; A first extension frame that is drawn in or discharged to one side of the first frame, a second extension frame that is drawn in or discharged to one side of the second frame, and a first extension frame and a second extension frame and an extension frame formed in an integral structure including a third extension frame spaced apart by a predetermined height to form an integral structure; The second frame and the second extension frame are mounted to be spaced apart by a predetermined distance, and a disc-shaped excavation plate mounted to form a predetermined angle with the traveling direction of the tractor is rotatably mounted while being inserted into the soil by a predetermined depth. a sweet potato excavation unit; And the first frame and the first extension frame are mounted spaced apart by a predetermined distance, and rotated along the soil surface a support plate of a disk-shaped structure mounted in a direction parallel to the traveling direction of the tractor to raise the body frame to a predetermined height from the soil surface. It may be configured to include; a frame support part mounted to support it.

In one embodiment of the present invention, the first frame of the body frame is a hollow square tube structure extending by a predetermined length in both sides based on the front, and the second frame of the body frame is in both sides based on the front. It has a hollow rectangular tube structure extending by a predetermined length, and the first frame and the second frame may be integrally bound to each other by the main body connection frame in a state in which the first frame and the second frame are spaced apart by a predetermined distance.

In one embodiment of the present invention, the first extension frame is formed with an outer surface structure corresponding to the inner structure of the hollow square tube structure of the first frame, and is slidable along the inner surface of the first frame so that the position can be changed. mounted, and the second extension frame is formed with an outer surface structure corresponding to the inner structure of the hollow square tube structure of the second frame, and is mounted to be slidably positioned along the inner surface of the second frame, and the first Both sides of the extension frame and the second extension frame may be integrally bound to each other by the extension connection frame in a state in which they are spaced apart by a predetermined distance.

In one embodiment of the present invention, a length changing device is mounted between the main body connection frame and the extended connection frame, and by the operation of the length changing device, the extended frame having an integral structure with the extended connection frame is formed on both sides with respect to the main body frame. The location can be changed to a room.

In one embodiment of the present invention, a L-shaped hinge binding sphere is mounted on the side at a position corresponding to the binding position of the main body connection frame on the front side of the first frame, and the L-shaped hinge binding sphere includes a left low link and It may be mounted in pairs on both sides of the first frame so as to be independently mounted on each of the right low links.

In one embodiment of the present invention, the top link binding frame, the first upper extension portion is spaced apart by a predetermined distance from the central upper surface of the first frame to extend upward by a predetermined height in pairs; a second upper extension portion extending upward by a predetermined height from the central upper surface of the second frame and coupled to one end of the first upper extension portion; and a binding structure formed at one end of the first upwardly extending part and hinge-bound to the top link.

In this case, on one side of the second upwardly extending part, a mounting structure for holding a work tool may be formed.

In one embodiment of the present invention, the sweet potato excavation unit, a mounting rail portion of a square tube structure that is mounted on the lower surface of the third extension frame, and extends rearward by a predetermined length; a rear length change unit mounted on the mounting rail to change a sliding position; a cylindrical mounting part mounted on one end of the rear length change part and having a structure penetrating in the vertical direction; a vertical length change unit mounted to the cylindrical mounting unit to be able to slide in a vertical direction; and an excavation plate having a disc-shaped structure that is rotatably mounted to one end of the vertical length change unit.

In one embodiment of the present invention, the excavation plate has a planar disc-shaped structure in which a plurality of indentation grooves having a radius of a predetermined size are spaced apart at regular intervals along the outer circumferential surface, and the excavation plate has a disc-shaped structure to one side. It may be a curved structure indented by a predetermined depth.

In one embodiment of the present invention, the excavation plate is arranged at a predetermined interval in the left and right direction based on the tractor traveling direction, and the support plate is located in the middle between one excavation plate and another excavation plate disposed adjacent to the excavation plate. can be placed.

In one embodiment of the present invention, a plurality of protrusion structures protruding by a predetermined height may be formed on one side or both sides of the support plate by being spaced apart from each other at regular intervals along the center of rotation.

In one embodiment of the present invention, the tool box may be mounted on one upper side of the extension frame.

The present invention can also provide a method for harvesting sweet potatoes by using a sweet potato harvesting device. In a sweet potato harvesting method according to an aspect of the present invention, the first frame and the top link coupling frame of the sweet potato harvesting device are connected to a tractor. A sweet potato harvesting device mounting step of binding to the lower link and the top link mounted on the rear; an extension frame position change step of changing the width of the extension frame to a width corresponding to the width of the soil to be worked; A sweet potato excavation part position change step of changing the vertical height of the sweet potato excavation part according to the condition of the soil to be worked; a frame support position change step of changing the height of the support plate according to the height of the sweet potato excavation part and the condition of the soil to be worked; and a sweet potato excavation step of driving the sweet potato harvesting device downward to a predetermined depth while driving the tractor along the work target soil to maintain the excavation plate inserted into the soil by a predetermined depth.

As described above, according to the sweet potato harvesting apparatus of the present invention, by providing a body frame, an extension frame, a sweet potato excavation part and a frame support part of a specific structure, the soil mulched by biodegradable vinyl is plowed together with sweet potato shoots and At the same time, it is possible to provide a sweet potato harvesting device including a configuration capable of excavating sweet potatoes in soil without damage.

In addition, according to the sweet potato harvesting apparatus of the present invention, the structure of the sweet potato excavation part can be easily and easily constructed according to the width of the target soil and the condition of the target soil by providing the body frame, the extension frame, the sweet potato excavation part and the frame support part of a specific structure. It is possible to provide a sweet potato harvesting apparatus including a configuration that can be changed stably, can effectively separate the soil from the sweet potato, and can easily excavate the sweet potato grown in the soil.

In addition, according to the sweet potato harvesting apparatus of the present invention, by providing a body frame including a first frame, a second frame, and a top link binding frame of a specific structure, it is stably mounted at the rear of the tractor, and at the same time, the sweet potato excavation part and the frame support part position can be maintained accurately and stably, as a result, it is possible to perform a sweet potato harvesting operation according to the intention of the operator, and it is possible to provide a sweet potato harvesting device capable of easily excavating the sweet potato grown in the soil.

In addition, according to the sweet potato harvesting apparatus of the present invention, the first frame of the hollow square tube structure and the first extended frame that slides along the inner side of the first frame, the second frame of the hollow square tube structure and the second frame along the inner side By having the second extension frame that is changed in the sliding position, and the length change device, the width of the extension frame can be easily and accurately changed according to the intention of the operator in consideration of the width of the soil to be worked, as a result, sweet potatoes are harvested according to the intention of the operator It is possible to provide a sweet potato harvesting device capable of performing the work and easily excavating the sweet potato grown in the soil.

In addition, according to the sweet potato harvesting apparatus of the present invention, a L-shaped hinge binding sphere having a specific structure is arranged in pairs on both sides of the first frame so as to be independently mounted on each of the left and right low links, and the top link binding frame is specified By configuring it to include the first upper extension part and the second upper extension part of the structure, the sweet potato harvesting device is stably mounted on the rear of the tractor, and at the same time, the left and right low links and top links are driven in the vertical direction, left and right. Since the position and direction can be changed in the direction and twist direction, the position of the sweet potato harvesting device can be easily and stably changed according to the intention of the operator in consideration of the soil to be worked, and consequently, the operation of harvesting the sweet potato can be performed according to the intention of the operator. It is possible to provide a sweet potato harvesting device capable of easily excavating sweet potatoes grown in the soil.

In addition, according to the sweet potato harvesting apparatus of the present invention, the position and angle of the excavation plate can be adjusted by providing the sweet potato excavation unit including the mounting rail part, the rear length change part, the cylindrical mounting part, the vertical length change part and the excavation plate of a specific structure. It can be easily changed according to the intention of the user, and the position and angle of the changed excavation plate can be stably fixed. As a result, sweet potatoes can be harvested according to the intention of the operator, and the sweet potato grown in the soil can be easily excavated. It is possible to provide a sweet potato harvesting device that can.

In addition, according to the sweet potato harvesting apparatus of the present invention, by forming a plurality of indentation grooves at regular intervals on the outer peripheral surface of the disc-shaped structure having a curved surface of a specific structure, the excavation plate is formed by the indentation groove of the excavation plate as the tractor progresses. It rotates in one direction, and the soil excavated by the rotation of the excavation plate is aligned rearward along the curved surface of the excavation plate and piled up. At this time, the sweet potato excavated by the indentation of the excavation plate is mounted on the top surface of the aligned soil. As a result, it is possible to perform a sweet potato harvesting operation according to the intention of the worker, and it is possible to provide a sweet potato harvesting device capable of easily excavating the sweet potato grown in the soil.

In addition, according to the sweet potato harvesting apparatus of the present invention, by arranging the excavation plate and the support plate of a specific structure in the left and right directions with respect to the direction of the tractor, it is possible to excavate all sweet potatoes without omission in the work target soil. As a result, it is possible to provide a sweet potato harvesting device capable of easily excavating sweet potatoes grown in soil.

In addition, according to the sweet potato harvesting device of the present invention, by mounting the tool box on one side of the upper side of the extension frame and forming a mounting structure for mounting the work tool on one side of the second upper extension part, the sweet potato harvesting device can be used as that of the tractor. It is possible to provide a sweet potato harvesting device that can maximize work efficiency by easily supplying the tools necessary for the rear mounting process.

In addition, according to the sweet potato harvesting method of the present invention, by including the step of mounting the sweet potato harvesting device, the step of changing the position of the extension frame, the step of changing the location of the sweet potato excavation part, the changing of the position of the frame support part and the step of excavating the sweet potato, the width of the soil to be worked and the The structure of the sweet potato excavation part can be changed easily and stably according to the condition of the soil to be worked on, and the soil and the sweet potato can be effectively separated so that the sweet potato grown in the soil can be easily excavated. As a result, the sweet potato can be harvested according to the intention of the worker. It is possible to provide a sweet potato harvesting method that can perform the work and can easily excavate the sweet potato grown in the soil.

1 is a front schematic view showing a sweet potato harvesting apparatus according to the prior art.
Figure 2 is a perspective view showing a state in which the sweet potato harvesting apparatus according to an embodiment of the present invention is mounted on the rear of the tractor.
3 is a perspective view illustrating a state in which sweet potatoes grown in soil are excavated using the sweet potato harvesting apparatus shown in FIG. 2 .
4 is a front view showing a sweet potato harvesting apparatus according to an embodiment of the present invention.
5 is a plan view showing the sweet potato harvesting apparatus shown in FIG.
6 is a perspective view showing a sweet potato harvesting apparatus according to an embodiment of the present invention.
7 is a plan view, a front view, and a right side view showing only the main frame and the extension frame of the sweet potato harvesting apparatus according to an embodiment of the present invention.
8 is a plan view showing a state in which the extension frame of the sweet potato harvesting apparatus shown in FIG. 7 is changed to the left and right along the main frame.
9 is a plan view showing a state in which the position of the sweet potato excavation unit is changed to the left and right by the extension frame shown in FIG. 8 .
10 is a plan view and a cross-sectional view showing the excavation plate of the sweet potato harvesting apparatus according to an embodiment of the present invention.
11 is a flowchart illustrating a method for harvesting sweet potatoes according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, but should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

Throughout this specification, when a member is said to be located "on" another member, this includes not only a case in which a member is in contact with another member but also a case in which another member exists between two members. Throughout this specification, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated.

2 is a perspective view showing a state in which the sweet potato harvesting device according to an embodiment of the present invention is mounted on the rear of the tractor, and in FIG. 3, sweet potatoes grown in soil using the sweet potato harvesting device shown in FIG. 2 are shown. A perspective view showing the state of excavation is shown.

Referring to these drawings, the sweet potato harvesting apparatus 100 according to the present embodiment is a configuration mounted on the rear of the tractor 20, and specifically, the left low link 21, the right low link 22 and the It can be operated by being mounted on the top link (23).

The sweet potato harvesting apparatus 100 according to this embodiment includes a body frame 110 of a specific structure, an extension frame 120 , a sweet potato excavation unit 130 , and a frame support unit 140 , so that the width and , sweet potato including a configuration that can easily and stably change the structure of the sweet potato excavation unit 130 according to the condition of the soil to be worked, and can effectively separate the soil from the sweet potato, so that the sweet potato grown in the soil can be easily excavated Harvesting equipment may be provided.

As shown in FIG. 3 , the sweet potato harvesting apparatus 100 according to this embodiment can more easily perform a harvesting operation for sweet potatoes grown in soil mulched with biodegradable vinyl. Specifically, by the forward driving of the tractor, the frame support 140 is driven along the soil surface, and the sweet potato excavation unit 130 is also driven while being inserted to a predetermined depth in the soil. At this time, the excavation plate 131 of the curved surface structure mounted on the sweet potato excavation unit 130 overturns the soil mulched with biodegradable vinyl together with the sweet potato shoots. In addition, the excavation plate 131 installed at an angle inclined by a predetermined angle to the driving direction is rotated by forward running, so that the sweet potato grown in the soil is excavated without damage along the curved surface of the excavation plate 131 .

Hereinafter, each configuration constituting the sweet potato harvesting apparatus 100 according to the present embodiment will be described in detail with reference to the drawings.

4 is a front view showing a sweet potato harvesting device according to an embodiment of the present invention, FIG. 5 is a plan view showing the sweet potato harvesting device shown in FIG. 4 , and FIG. 6 is an embodiment of the present invention A perspective view showing a sweet potato harvesting device according to is shown.

2 to 6 , the body frame 110 according to the present embodiment includes a first frame 111 , a second frame 112 , a body connection frame 114 , and a top link binding frame 113 . It may be a configuration that Specifically, the body frame 110 is a first frame 111 hinged with the left low link 21 and the right low link 22, and the first frame 111 is spaced apart from the rear by a predetermined distance to form an integrated body. It may be of a configuration including a top link binding frame 113 mounted on the second frame 112 and the first frame 111 and the second frame 112 to be bound and hinge-coupled to the top link 23 . .

In this case, according to the present embodiment, by providing the body frame 110 including the first frame 111, the second frame 112 and the top link binding frame 113 of a specific structure, it is stable at the rear of the tractor. As a result, it is possible to accurately and stably maintain the positions of the sweet potato excavation unit 130 and the frame support unit 140 at the same time as being mounted as a It is possible to provide a sweet potato harvesting device that can be easily excavated.

At this time, as shown in FIGS. 2 to 4 , on the front side of the first frame 111 at a position corresponding to the binding position of the main body connection frame 114 , the L-shaped hinge binding sphere 115 on the side is to be mounted. can The L-shaped hinge binding sphere 115 may be mounted in pairs on both sides of the first frame 111 so as to be independently mounted on each of the left low link 21 and the right low link 22 .

In addition, the top link binding frame 113 according to the present embodiment, as shown in FIGS. 2 to 6 , the first upper extension part 113a, the second upper extension part 113b and the binding structure of a specific structure. (113c) may be included. Specifically, the first upper extension portion 113a may be mounted by being spaced apart by a predetermined distance from the central upper surface of the first frame 111 and extending upward by a predetermined height in pairs. In addition, the second upper extension portion 113b may extend upward from the central upper surface of the second frame 112 by a predetermined height to be bound to one end of the first upper extension portion 113a. A binding structure 113c is formed at one end of the first upwardly extending portion 113a, and may be hinge-bonded with the top link 23 .

In this case, according to this embodiment, a pair of L-shaped hinge binding spheres 115 of a specific structure on both sides of the first frame 111 to be independently mounted on each of the left low link 21 and the right low link 22 . and by configuring the top link binding frame 113 to include the first upper extension part 113a and the second upper extension part 113b of a specific structure, the sweet potato harvesting device is stably mounted on the rear of the tractor. At the same time, the position and direction can be changed in the up-down direction, left-right direction and torsion direction according to the driving of the left low link 21, the right low link 22 and the top link 23. To provide a sweet potato harvesting device that can easily and reliably change the position of the sweet potato harvesting device according to the intention, and as a result, can perform the sweet potato harvesting operation according to the intention of the worker, and can easily excavate the sweet potato grown in the soil. can

In some cases, as shown in FIGS. 2 to 4 , a mounting structure 116 on which the work tool 30 can be mounted may be formed on one side of the second upwardly extending part 113b.

In this case, according to the present embodiment, the tool box 40 is mounted on one upper side of the extension frame 120 , and the work tool 30 can be mounted on one side of the second upper extension part 113b . By forming the structure 116, it is possible to provide a sweet potato harvesting device capable of maximizing work efficiency by easily supplying tools necessary for the process of mounting the sweet potato harvesting device to the rear of the tractor.

The extension frame 120 may have a configuration including a first extension frame 121 , a second extension frame 122 , a third extension frame 123 , an extension connection frame 124 , and a connection side wall 126 . . Specifically, the extension frame 120, the first extension frame 121 that is drawn in or discharged to one side of the first frame 111, is drawn in or toward one side of the second frame 112. The discharged second extension frame 122, and the first extension frame 121 and the second extension frame 122 and the third extension frame 123 spaced apart by a predetermined height to form an integrated structure may be included. have.

The sweet potato excavation unit 130 is configured to be mounted to the third extension frame 123 spaced apart by a predetermined distance, and a disc-shaped excavation plate 131 mounted to form a predetermined angle with the traveling direction of the tractor is placed on the soil. It may be configured to be rotatably mounted in a state inserted by a predetermined depth.

The frame support unit 140 is configured to be spaced apart from the first frame 111 and the first extension frame 121 by a predetermined distance, and a support plate 141 having a disc-shaped structure mounted in a direction parallel to the traveling direction of the tractor. ) may be mounted to rotate along the soil surface to support the body frame 110 at a predetermined height from the soil surface.

7 shows a plan view, a front view, and a right side view showing only the main frame and the extension frame of the sweet potato harvesting device according to an embodiment of the present invention, and in FIG. 8, the extended frame of the sweet potato harvesting device shown in FIG. A plan view showing a state of changing the position left and right along this body frame is shown.

Referring to these drawings together with FIGS. 2 to 6, the first frame 111 of the body frame 110 according to the present embodiment is a hollow square tube structure extending by a predetermined length in both sides with respect to the front, The second frame 112 of the body frame 110 may be a hollow square tube structure extending by a predetermined length in both sides with respect to the front. At this time, both sides of the first frame 111 and the second frame 112 may be integrally bound to each other by the main body connection frame 114 in a state in which they are spaced apart by a predetermined distance.

The first extension frame 121 of the extension frame 120 according to the present embodiment has an outer surface structure corresponding to the inner structure of the hollow square tube structure of the first frame 111, and the first frame ( 111) may be mounted so as to be able to change the sliding position along the inner surface. In addition, the second extension frame 122 is configured to have an outer surface structure corresponding to the inner structure of the hollow square tube structure of the second frame 112 , and a sliding position along the inner surface of the second frame 112 . It can be mounted so that it can be changed. In this case, both sides of the first extension frame 121 and the second extension frame 122 may be integrally bound to each other by the extension connection frame 123 in a state in which they are spaced apart by a predetermined distance.

In some cases, as shown in FIGS. 5 and 6 , the length changing device 125 may be mounted between the main body connection frame 114 and the extension connection frame 123 . In this case, as shown in FIGS. 8 and 9 , by the operation of the length changing device 125 , the extension frame 120 and the extension frame 120 integral with the extension frame 123 are formed on both sides with respect to the body frame 110 . can be repositioned.

In this case, according to the present embodiment, the first frame 111 of the hollow square tube structure, the first extension frame 121 that slides along the inside of the first frame 111, the first extension frame 121, and the second frame of the hollow square tube structure (112) and the second frame 112 by having a second extension frame 122 that is changed in sliding position along the inner side, and a length change device 125, extending according to the intention of the operator in consideration of the width of the work target soil Since the width of the frame 120 can be easily and accurately changed, as a result, it is possible to perform a sweet potato harvesting operation according to the intention of an operator, and it is possible to provide a sweet potato harvesting apparatus capable of easily excavating sweet potatoes grown in soil.

In some cases, the tool box 40 may be mounted on one upper side of the extension frame 120 according to the present embodiment. In the tool box 40, work tools and tools necessary for maintenance of the sweet potato harvesting device 100 may be accommodated, and work tools and tools necessary for the process of mounting and removing the sweet potato harvesting device 100 to the rear of the tractor and A tool may be housed.

9 is a plan view showing a state in which the position of the sweet potato excavation unit is changed to the left and right by the extension frame shown in FIG. 8, and FIG. 10 is a plan view showing the excavation plate of the sweet potato harvesting apparatus according to an embodiment of the present invention; A cross-sectional view is shown.

Referring to these drawings, the sweet potato excavation unit 130 according to this embodiment has a specific structure of the mounting rail unit 132, the rear length change unit 133, the cylindrical mounting unit 134, and the vertical length change unit 135. and the excavation plate 131 may be configured.

Specifically, the mounting rail unit 132 is a configuration mounted on the lower surface of the third extension frame 123, and may have a rectangular tube structure extending rearward by a predetermined length. The rear length change unit 133 is configured to be mounted on the mounting rail unit 132 so as to be slidably positioned, and may have an outer surface structure corresponding to the inner circumferential surface of the mounting rail unit 132 . The cylindrical mounting part 134 is a configuration to be mounted on one end of the rear length change part 133, and a structure penetrating in the vertical direction may be formed. The vertical length change unit 135 is configured to be slidably mounted on the cylindrical mounting unit 134 in a vertical direction, and may have a round-bar structure corresponding to the inner circumferential surface of the cylindrical mounting unit 134 .

In this case, according to this embodiment, a sweet potato including a mounting rail part 132 , a rear length change part 133 , a cylindrical mounting part 134 , a vertical length change part 135 , and an excavation plate 131 of a specific structure By providing the excavation part 130, the position and angle of the excavation plate 131 can be easily changed according to the intention of the operator, and the changed position and angle of the excavation plate 131 can be stably fixed, as a result, the operator It is possible to provide a sweet potato harvesting device capable of performing a sweet potato harvesting operation according to the intention of the present invention, and easily excavating the sweet potato grown in the soil.

In addition, the excavation plate 131 may have a disc-shaped structure that is rotatably mounted to one end of the vertical length change unit 135 .

Specifically, in the excavation plate 131 according to this embodiment, as shown in FIG. 10 ( a ), a plurality of indented grooves 131a having a radius of a predetermined size are spaced apart from each other at regular intervals along the outer circumferential surface to form a plurality of planar circles. It may have a plate-like structure. At this time, the excavation plate 131 may be a curved structure (S) in which the disk-shaped structure is recessed by a predetermined depth in one side.

In some cases, as shown in Fig. 10 (b), the excavation plate 131 according to the present embodiment may have a structure in which the indentation groove 131a is not formed. At this time, one side of the excavation plate 131 is bound to one end of the vertical length change unit 135 , and a rotation driving unit 136 capable of rotating the excavation plate 131 may be mounted.

In this case, according to the present embodiment, by forming a plurality of indentation grooves 131a spaced apart at regular intervals on the outer circumferential surface of the disk-shaped structure having a curved surface of a specific structure, the indentation groove of the excavation plate 131 as the tractor progresses. The excavation plate 131 is rotated in one direction by (131a), and the soil excavated by the rotation of the excavation plate 131 is aligned and piled up along the curved surface of the excavation plate 131, at this time. The sweet potato excavated by the indentation groove 131a of 131 is mounted on the upper surface of the aligned soil, and as a result, the sweet potato harvesting operation can be performed according to the intention of the operator, and the sweet potato grown in the soil can be easily harvested. A sweet potato harvesting device that can be excavated can be provided.

As shown in FIG. 5 , the excavation plate 131 according to the present embodiment having such a structure may be disposed to be spaced apart from each other at regular intervals in the left and right directions with respect to the traveling direction of the tractor. In this case, the support plate 141 is preferably disposed in the center between one excavation plate 131 and another excavation plate 131 disposed adjacently.

In addition, on one side or both sides of the support plate 141 according to the present embodiment, as shown in FIG. 4 , a plurality of protrusion structures 141a protruding by a predetermined height are spaced apart from each other by a predetermined distance along the center of rotation. .

In this case, according to this embodiment, by arranging the excavation plate 131 and the support plate 141 of a specific structure one time apart in the left and right directions based on the tractor traveling direction, the sweet potato can be harvested without omission for the work target soil. All of them can be excavated, and as a result, it is possible to provide a sweet potato harvesting device capable of easily excavating sweet potatoes grown in soil.

11 is a flowchart showing a sweet potato harvesting method according to an embodiment of the present invention.

The sweet potato harvesting method (S100) according to this embodiment, as shown in FIG. 11, includes a step of installing a sweet potato harvesting device for performing a specific process (S110), a step of changing the position of the extension frame (S120), and a step of changing the location of the sweet potato excavation unit. (S130), the frame support position change step (S140), and may be a configuration including a sweet potato excavation step (S150).

Specifically, in the step of mounting the sweet potato harvesting device (S110), the first frame 111 and the top link binding frame 113 of the sweet potato harvesting device are mounted on the lower links 21 and 22 and the top links 23 at the rear of the tractor. ) is a step that binds 2 and 5, the left low link 21 of the rear of the tractor 20 is fastened to each other in a rotatable binding structure with the hinge binding sphere 115 formed at a position corresponding thereto, and the tractor 20 The rear right low link 22 is fastened to each other in a rotatable binding structure with the hinge binding sphere 115 formed at a position corresponding thereto. In addition, the top link 23, the first frame 111, the second frame 112, and the top link binding frame 113 is fastened to the binding structure 113c which is integrally formed at the upper end in a rotatable binding structure. .

At this time, by driving the left low link 21, the right low link 22 and the top link 23 mounted on the rear of the tractor 20, the operator drives the sweet potato harvesting device 100 in the vertical direction, the left and right directions, and the torsion direction. It becomes possible to implement position change and operation.

The extension frame position change step (S120) is a step of changing the width of the extension frame 120 to a width corresponding to the width of the work target soil. Specifically, the left and right positions of the extension frame 120 may be changed by using the length changing device 125 mounted between the main body connection frame 114 and the extension connection frame 123 . By the operation of the length changing device 125 according to the present embodiment, the extended frame 120 and the extended connection frame 123 and the extended frame 120 having an integrated structure can be changed in both sides with respect to the body frame 110 . At this time, the operator moves the position of the body frame 110 and the extension frame 120 upward by a predetermined height by driving the top link 23 to avoid interference with the ground, and the extension frame position change step (S120) It is preferable to perform

Since it is difficult to drive a relatively bulky tractor close to the edges and corners of the soil in which sweet potatoes are grown, the extension frame position change step (S120) is performed to stabilize the sweet potatoes in the soil in consideration of the shape and working position of the soil. can be excavated. Specifically, after changing the position of the extension frame 120 in the direction of the edge or corner of the soil, the position of the sweet potato excavation unit 130 is mounted to be adjacent to the edge or corner of the soil, so that the tractor cannot easily enter the soil. Even sweet potatoes grown on the edge or corner can be stably excavated.

The step of changing the position of the sweet potato excavation unit (S130) is a step of changing the vertical height of the sweet potato excavation unit 130 according to the condition of the soil to be worked. The operator can estimate the depth at which the excavation plate 131 can enter the soil according to the drying degree of the soil to be worked. The operator adjusts the height of the sweet potato excavation unit 130 by comprehensively considering the condition of the target soil and the depth of the sweet potato buried in the soil. At this time, the rear position and the lower height of the excavation plate 131 can be adjusted by using the rear length change unit 133 and the vertical length change unit 135 .

The frame support position change step (S140) is a step of changing the height of the support plate 141 according to the height of the sweet potato excavation unit 130 and the condition of the soil to be worked. The operator can estimate the position at which the support plate 141 can stably travel along the soil upper surface according to the drying degree of the soil to be worked. The operator adjusts the height of the sweet potato excavation unit 130 by comprehensively considering the condition of the target soil and the depth of the sweet potato buried in the soil, so that the position of the sweet potato excavation unit 130 can be stably maintained. The height of the frame support unit 140 is adjusted. At this time, the lower height of the frame support unit 140 can be adjusted by using the vertical length change unit 143 mounted on the mounting rail unit 142 to change the length in the vertical direction.

The sweet potato excavation step (S150) is a step in which the excavation plate 131 is inserted into the soil by a predetermined depth by driving the tractor along the work target soil and simultaneously driving the sweet potato harvesting device downward by a predetermined depth. After confirming that the sweet potato harvesting apparatus 100 is fixed to the desired structure and position through the various steps performed above, the operator may drive the tractor to proceed with the sweet potato harvesting operation.

At this time, by the forward driving of the tractor, the frame support unit 140 travels along the soil surface, and the sweet potato excavation unit 130 is also driven while being inserted to a predetermined depth in the soil. At this time, the excavation plate 131 of the curved surface structure mounted on the sweet potato excavation unit 130 overturns the soil mulched with biodegradable vinyl together with the sweet potato shoots. In addition, the excavation plate 131 installed at an angle inclined by a predetermined angle to the driving direction is rotated by forward running, so that the sweet potato grown in the soil is excavated without damage along the curved surface of the excavation plate 131 .

In this case, according to the present embodiment, the sweet potato harvesting device mounting step (S110), the extension frame position change step (S120), the sweet potato excavation part position change step (S130), the frame support unit position change step (S140), and the sweet potato excavation step ( By including S150), it is possible to easily and stably change the structure of the sweet potato excavation unit 130 according to the width of the target soil and the condition of the target soil, and it is possible to effectively separate the soil and the sweet potato, which is cultivated in the soil. Since sweet potatoes can be easily excavated, as a result, a sweet potato harvesting operation can be performed according to the intention of the worker, and a sweet potato harvesting method can be provided for easily excavating the sweet potatoes grown in the soil.

In the above detailed description of the present invention, only specific embodiments thereof have been described. However, it is to be understood that the present invention is not limited to the particular form recited in the detailed description, but rather, it is to be understood to cover all modifications and equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims. should be

That is, the present invention is not limited to the specific embodiments and descriptions described above, and any person skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims can implement various modifications are possible, and such modifications shall fall within the protection scope of the present invention.

10: soil
11: Sweet Potato
20: tractor
21: Left low link
22: right low link
23: top link
30: work tool
40: tool box
100: sweet potato harvesting device
110: body frame
111: first frame
112: second frame
113: top link binding frame
113a: first upper extension
113b: second upper extension
113c: binding structure
114: main body connection frame
115: hinge binding sphere
116: mounting structure
120: extension frame
121: first extension frame
122: second extension frame
123: third extension frame
124: extension connection frame
125: length change device
126: connection side wall
130: sweet potato excavation unit
131: excavation plate
131a: indentation groove
S: curved structure
132: mounting rail part
133: rear length change part
134: cylindrical mounting portion
135: up and down length change part
136: rotation driving unit
140: frame support
141: support plate
141a: protrusion structure
142: mounting rail part
143: upper and lower length change part
S100: How to Harvest Sweet Potatoes
S110: Step of installing the sweet potato harvesting device
S120: Extended frame position change step
S130: Step of changing the location of the sweet potato excavation part
S140: frame support position change step
S150: Sweet potato excavation stage

Claims (5)

As a sweet potato harvesting device mounted on the left low link 21, the right low link 22 and the top link 23 mounted on the rear of the tractor,
A first frame 111 hingedly coupled to the left low link 21 and the right low link 22, a second frame 112 spaced apart from the first frame 111 rearward by a predetermined distance and integrally coupled thereto; and a body frame 110 mounted on the first frame 111 and the second frame 112 and including a top link binding frame 113 hinged to the top link 23;
A first extension frame 121 that is drawn in or discharged to one side of the first frame 111, a second extension frame 122 that is drawn in or discharged to one side of the second frame 112 and an extension frame 120 including a third extension frame 123 spaced apart from the first extension frame 121 and the second extension frame 122 by a predetermined height to form an integrated structure;
It is possible to rotate the excavation plate 131 of a disc-shaped structure mounted to the third extension frame 123 spaced apart by a predetermined distance and to form a predetermined angle with the traveling direction of the tractor while being inserted into the soil by a predetermined depth. Sweet potato excavation unit 130 to be mounted; and
The first frame 111 and the first extension frame 121 are mounted to be spaced apart by a predetermined distance, and the support plate 141 of a disk-shaped structure mounted in a direction parallel to the traveling direction of the tractor is rotated along the soil surface. a frame support unit 140 for mounting the body frame 110 to support it at a predetermined height from the soil surface;
including,
The first frame 111 of the body frame 110 is a hollow square tube structure extending by a predetermined length in both sides based on the front,
The second frame 112 of the body frame 110 is a hollow square tube structure extending by a predetermined length in both sides based on the front,
Both sides of the first frame 111 and the second frame 112 are integrally bound to each other by the main body connection frame 114 in a state in which they are spaced apart by a predetermined distance,
The first extension frame 121 is formed to have an outer surface structure corresponding to the inner structure of the hollow square tube structure of the first frame 111, and to change the sliding position along the inner surface of the first frame 111. is mounted,
The second extension frame 122 is formed in an outer surface structure corresponding to the inner structure of the hollow square tube structure of the second frame 112, and is slidable along the inner surface of the second frame 112 so that the position can be changed. is mounted,
The first extension frame 121 and the second extension frame 122 are integrally bound to each other by the extension connection frame 123 in a state in which they are spaced apart by a predetermined distance,
The sweet potato excavation unit 130 ,
a mounting rail portion 132 of a rectangular tube structure that is mounted on the lower surface of the third extension frame 123 and extends rearwardly by a predetermined length;
a rear length change part 133 mounted on the mounting rail part 132 to be able to change a sliding position;
a cylindrical mounting part 134 mounted on one end of the rear length change part 133 and having a structure penetrating in the vertical direction;
a vertical length change unit 135 mounted on the cylindrical mounting unit 134 to be able to slide in a vertical direction;
It has a disk-shaped structure that is rotatably mounted on one end of the vertical length change part 135, and a plurality of indentation grooves 131a having a radius of a predetermined size are spaced apart from each other by a predetermined distance along the outer circumferential surface, and a predetermined depth to one side. Excavation plate 131 formed with a recessed curved structure (S); and
a rotational driving unit 136 mounted on one end of the vertical length change unit 135 and the binding site of the excavation plate 131 and rotating the excavation plate 131 in a specific direction;
Sweet potato harvesting device comprising a.
delete According to claim 1,
A length change device 125 is mounted between the main body connection frame 114 and the extension connection frame 123,
A sweet potato harvesting device, characterized in that by the operation of the length changing device (125), the extended connection frame (123) and the extended frame (120) having an integrated structure are changed to both sides with respect to the main frame (110).
delete A method (S100) for harvesting sweet potatoes using the sweet potato harvesting apparatus according to any one of claims 1 to 3,
A sweet potato harvesting device mounting step (S110) of binding the first frame 111 and the top link binding frame 113 of the sweet potato harvesting device to the low link and the top link 23 mounted at the rear of the tractor;
an extension frame position change step of changing the width of the extension frame 120 to a width corresponding to the width of the soil to be worked (S120);
A sweet potato excavation unit position change step (S130) of changing the vertical height of the sweet potato excavation unit 130 according to the condition of the soil to be worked;
a frame support position change step (S140) of changing the height of the support plate 141 according to the height of the sweet potato excavation unit 130 and the condition of the soil to be worked; and
A sweet potato excavation step (S150) of driving the tractor along the work target soil and simultaneously driving the sweet potato harvesting device downward to a predetermined depth to maintain the excavation plate 131 inserted into the soil by a predetermined depth (S150);
A sweet potato harvesting method comprising a.

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