JP3699856B2 - Earth loosening removal device for root vegetable digger - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a root vegetable digging machine that digs and collects root vegetables such as burdock and radish from a cultivated soil by towing with a tractor, and particularly relates to a soil loosening removal device that separates and removes cultivated soil from root vegetables.
[0002]
[Prior art]
For example, a digging machine as shown in FIG. 10 has been used to dig up root vegetables such as burdock and radish from the cultivated soil. The stems and leaves of the burdock 106 that are towed by a tractor (not shown) and are grown in the cultivated soil are cut off by a pair of left and right ring swords 124, and a raised plate 136 supported by a support arm 134 digs up the soil in the field. The support arm 134 and the digging and raising plate 136 are a pair of left and right. Further, the digging and raising plate 136 is opposed to a reverse C-shape when viewed from the front, and the rear is inclined upward. Therefore, the burdock 106 is pushed up together with the soil of the field, and the burdock 106 is dug up.
[0003]
The dug up burdock 106 is sent to a soil unloading cleaner 190 to remove a lump of soil. The rotation of the tractor rotational power take-out shaft (hereinafter referred to as “PTO”) is transmitted to the soil loosening cleaner 190 by the swing motion conversion mechanism 202 via the rotational shaft 200, and the soil loosening cleaner 190 is orthogonal to the forward direction. Swing on the surface. Therefore, the soil lump that adheres to the burdock 106 is removed by the soil loosening cleaner 190.
[0004]
In addition, the rotation of the PTO is transmitted to the up-and-down vibration lever 203 by the up-and-down vibration motion conversion mechanism 201 through the rotation shaft 200, and the digging and raising plate 136 vibrates up and down. Therefore, the digging and raising plate 136 can easily travel in the soil.
[0005]
Then, the burdock from which the soil at the neck has been removed by the gripping and transporting chain installed above the rear end of the digging and raising plate 136 (not shown) is sent backward.
[0006]
[Problems to be solved by the invention]
The soil loosening cleaner 190 is for removing a lump of soil near the burdock 106. The burdock 106 is pushed up with the soil and is not fixed at all. Then, when the hard soil is removed with the rod-shaped member 192, the burdock 106 may move with the soil attached to the burdock 106 tilted. Therefore, there is a problem that the lump of soil adhering to the burdock 106 cannot be removed sufficiently. If a lump of soil remains attached to the burdock 106, it will be easily broken by a slight impact, making it extremely difficult to handle.
[0007]
Therefore, the present invention is to remove the root vegetables such as burdock, radish etc. from the cultivated soil by digging up and collecting root vegetables such as radish from the root vegetables even if hard soil is removed. The purpose is to sufficiently separate and remove the cultivated soil.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 is a pair of left and right digging and raising plates that are towed by a tractor and provided with vertical vibrations, and a soil detachment removal installed above the rear end of each digging and raising plate. In the root vegetable digger equipped with a device, the soil loosening removal device is connected to the rotational power take-off shaft of the tractor and the rotation of the rotation shaft extending in the horizontal direction is transmitted via a rotation direction conversion mechanism, and the rotation A pair of rotating shafts that are installed perpendicularly to the shaft at a predetermined interval and that extend in the vertical direction and rotate at the same speed in opposite directions, and a circle that is detachably mounted on each rotating shaft with a variable mounting position. It is characterized by comprising a plate and a plurality of rod-like members attached in a suspended state at equal intervals near the outer periphery of each disk.
[0009]
The invention described in claim 2 is the soil unraveling removal device in the root vegetable digging machine according to claim 1, for preventing damage to root vegetables on the outer periphery of the disc and the outer periphery of the plurality of rod-shaped members. A protective member made of rubber or synthetic resin is coated.
[0010]
A third aspect of the present invention is the soil loosening removal device in the root vegetable digging machine according to the first aspect, wherein the bottom ends of the plurality of rod-shaped members attached to the disk are the same as the disk. A ring member having a diameter is attached in parallel to the disk.
[0011]
According to a fourth aspect of the present invention, there is provided a soil loosening removal apparatus for a root vegetable digging machine according to the third aspect, wherein the ring member is made of rubber or synthetic resin for preventing damage to the root vegetables on the outer periphery thereof. The protective member is covered.
[0012]
That is, according to the present invention, the soil mass is removed from the root vegetables to which the soil mass is adhered as follows. First, the root vegetables are sent to the soil unraveling removal device with the lump of soil adhered by the raised plate. The pair of rotating shafts are rotated by the rotation transmitted from the rotational power take-out shaft of the tractor, and the pair of discs are rotated in the opposite direction, and the lump of soil is scraped off by the rotation of the rod-shaped member.
[0013]
Therefore, the lump of soil is removed.
[0014]
In addition, the root vegetables are pinched by the stick-shaped member together with the lump of soil attached, and the root vegetables are not tilted with the lump of soil, and the soil can be sufficiently scraped off. Moreover, since the clay and hard lump of soil are crushed by the rod-shaped member by being pinched, the soil is effectively removed.
[0015]
Moreover, it can prevent that root vegetables are damaged by a disc and a sticking member by coat | covering a protective member on the outer periphery of a disc or a rod-shaped member.
[0016]
Further, the root vegetables may be tilted when fed into the soil loosening device. When the inclination of root vegetables is large, root vegetables may collide with a rod-shaped member and break. Therefore, the root vegetables are tilted with a ring member parallel to the disc. Therefore, the lump of soil is easy to knead and breakage due to the collision of root vegetables is prevented.
[0017]
Furthermore, by covering the outer periphery of the ring member with a protective member, it is possible to prevent root vegetables from being damaged by the ring member.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a soil loosening removal apparatus in a root vegetable digger according to a first embodiment of the present invention. FIG. 2 is a plan view thereof. Hereinafter, the structure of this soil loosening removal apparatus will be described. There is a shaft 10 directly connected to the PTO of the tractor and parallel to the pair of left and right main frames 80a and 80b connected to the tractor. The sprocket 12 can rotate about the shaft 10 as a rotation axis. The sprocket 16 is disposed inside the sprocket 12 in a direction orthogonal to the longitudinal direction of the main frames 80a and 80b when viewed from the sprocket 12. A chain 14 is stretched between the sprocket 12 and the sprocket 16. The shaft 18 of the sprocket 16 is supported by bearings 20a and 20b, and a sprocket 22 is attached to the other end of the shaft 18.
[0019]
The sprocket 26 is disposed outside the sprocket 22 in a direction orthogonal to the longitudinal direction of the main frames 80 a and 80 b when viewed from the sprocket 22. A chain 24 is stretched between the sprocket 22 and the sprocket 26. A bevel gear 28 is attached to one end of the rotating shaft 27 of the sprocket 26 and meshes with the bevel gear 30. In addition, the rotating shaft 32 of the bevel gear 30 extends vertically in the direction orthogonal to the rotating shaft 27, and a sprocket 34 is attached to the top end thereof. The rotating shaft 27 and the rotating shaft 32 are attached to a frame 60b attached to the rear portion of the main frame 80b.
[0020]
A frame 60a attached to the rear portion of the main frame 80a is provided with a sprocket 37 at the same height so as to face the sprocket 34 substantially. A chain 35 is stretched between the sprocket 34 and the sprocket 37. The sprockets 36 a and 36 b are located facing each other between the sprocket 34 and the sprocket 37. The chain 35 is in contact with the sprockets 36a and 36b in a brushed shape. The sprockets 36a and 36b are attached to the upper ends of the rotary shafts 38a and 38b. The rotary shafts 38a and 38b extend and are supported above and below the frames 60a and 60b. Discs 40a and 40b are attached to the lower ends of the rotary shafts 38a and 38b by bolts 46 so that the attachment positions are variable and detachable.
[0021]
The discs 40a and 40b have the same diameter, and rod-like members 42a and 42b, which are a plurality of round bars, are provided at equal intervals around the periphery. The discs 40a and 40b are covered with a protective member made of rubber or synthetic fiber on the outer periphery of the rod-like members 42a and 42b so as not to damage the burdock 90.
[0022]
Next, the operation of the root vegetable digging apparatus will be described. FIG. 3 shows a side view of the apparatus at the time of digging the burdock 90 with the digging and raising plates 70a and 70b. When the digging and raising plates 70a and 70b move forward, the digging and raising plates 70a and 70b have a reverse C shape as shown in FIG. 4 as in the prior art, and the burdock 90 is dug up together with the soil. Driven toward the discs 40a, 40b of the unwinding device. The operation in which the burdock 90 is dug up and heads toward the discs 40a and 40b is indicated by dotted arrows in FIG. Further, the rotation of the shaft 18 is transmitted to the lift vibration lever 48 via the vertical vibration motion conversion mechanism 52 (same as the conventional vertical vibration motion conversion mechanism 201 shown in FIG. 10), and the digging and raising plate 70 vibrates up and down. .
[0023]
The burdock 90 is fed toward the discs 40a and 40b with the soil mass 92 attached. The rod-like members 42a and 42b are moved as follows. When power is transmitted from the PTO to the shaft 10, the shaft 10 rotates and the shaft 18 rotates through the sprocket 12, the chain 14, and the sprocket 16. When the shaft 18 rotates, the bevel gear 28 rotates through the sprocket 22, the chain 24, and the sprocket 26. When the bevel gear 28 rotates, the bevel gear 30 rotates, and the rotation direction (referred to as the direction of the normal vector of the rotation surface) is changed from the horizontal direction to the vertical direction. When the sprocket 34 rotates, the sprockets 36 a and 36 b rotate via the chain 35. Since the chain 35 is scraped by the sprockets 36a and 36b, the sprockets 36a and 36b rotate in the reverse direction. Moreover, since the sprockets 36a and 36b have the same diameter, the rotation speeds are equal. For the conversion of the rotation direction, a bevel gear may be used as in the first embodiment, or a worm and a worm gear may be used.
[0024]
FIG. 5 is a rear view of the soil loosening removal apparatus in a state where the soil mass 92 is scraped from the burdock 90. FIG. 6 is a plan view of the vicinity of the discs 40a and 40b in a state where the soil mass 92 is scraped from the burdock 90. FIG. When the burdock 90 is fed between the discs 40a and 40b, the rod-like members 42a and 42b face each other, sandwiching the soil around the burdock 90, and crushing and scraping even when the soil mass 92 is hard. Since the rod-shaped members 42 and 44 are arranged at equal intervals and the sprockets 36a and 36b rotate in the opposite direction at the same rotational speed, the rod-shaped members 42 and 44 are the portions where the distance between the discs 40a and 40b is the smallest. Facing each other, the soil is pressed and crushed. The burdock 90 is transported in a chain with a configuration similar to that of the prior art, not shown.
[0025]
According to the soil unpacking device of the first embodiment, the rod-shaped members 42a and 42b face each other and sandwich the burdock 90 together with the lump 92 of the soil, so that the burdock 90 is firmly held without tilting with the soil, The soil lump 92 can be scraped sufficiently, and the clay and hard soil lump is crushed by the rod-shaped member, so that the soil is effectively removed.
[0026]
FIG. 7 is a perspective view of a soil loosening removal apparatus according to a second embodiment of the present invention. FIG. 8 is a rear view of the soil loosening removal apparatus. This apparatus is different from the first embodiment in that ring members 50a and 50b are provided in parallel to the discs 40a and 40b at the lower ends of the rod-like members 42a and 42b. The ring members 50a and 50b are also covered with a protective member such as rubber or synthetic resin so as not to damage the burdock 90, similarly to the discs 40a and 40b.
[0027]
Next, the operation of the soil loosening removal device will be described. As shown in FIG. 9A, if the ring members 50a and 50b are not provided, the burdock 90 is inclined and enters, and if the inclination is large, the burdock 90 may be cut by the rod-shaped members 42a and 42b. Therefore, as shown in FIG. 9B, the inclination of the burdock 90 is corrected by the ring members 50a and 50b, and the soil is crushed by the bar-shaped members 42a and 42b and the ring members 50a and 50b to be loosened and removed.
[0028]
The ring members 50a and 50b are provided one by one so as to face the discs 40a and 40b. However, a plurality of ring members are provided in parallel to the disc 40a, and a plurality of ring members are provided in parallel to the disc 40b. It is also possible to provide it.
[0029]
【The invention's effect】
According to the present invention, root vegetables are pressed together with a lump of soil that adheres by a pair of rod-shaped members that face and rotate at a predetermined interval, and the clay and hard lump of soil are crushed by the rod-shaped members. Therefore, the soil is effectively loosened and removed.
[0030]
Further, since the inclination of the root vegetables is corrected by the ring member parallel to the disc, the soil can be crushed and separated from the root vegetables while preventing breakage due to collision with the root vegetables.
[Brief description of the drawings]
FIG. 1 is a perspective view of a soil loosening removal device in a root vegetable digger according to a first embodiment of the present invention.
FIG. 2 is a plan view of the soil loosening removal apparatus according to the first embodiment of the present invention.
FIG. 3 is a side view of the soil loosening removal apparatus according to the first embodiment of the present invention.
FIG. 4 is a front view of the vicinity of a digging and raising plate of the soil loosening removal apparatus according to the first embodiment of the present invention.
FIG. 5 is a rear view of the soil loosening removal apparatus according to the first embodiment of the present invention.
FIG. 6 is a partial plan view of the soil loosening removal apparatus according to the first embodiment of the present invention.
FIG. 7 is a perspective view of a soil loosening removal apparatus according to a second embodiment of the present invention.
FIG. 8 is a rear view of a soil loosening removal apparatus according to a second embodiment of the present invention.
FIG. 9 is a partial rear view of the soil loosening removal apparatus according to the embodiment of the present invention.
FIG. 10 is a schematic side view of a soil loosening removal apparatus according to the prior art.
[Explanation of symbols]
10 shaft 12 sprocket 14 chain 16 sprocket 18 shaft 20a bearing 20b bearing 22 sprocket 24 chain 26 sprocket 27 rotating shaft 28 bevel gear 30 bevel gear 32 rotating shaft 34 sprocket 35 chain 36a, 36b sprocket 37 sprocket 38a, 38b rotating shaft 40a, 40b Discs 42a, b Rod-shaped members 46 Bolts 48 Lifting vibration levers 50a, 50b Ring members 52 Vertical vibration motion conversion mechanisms 60a, 60b Frames 70a, 70b Digging raised plates 80a, 80b Main frame 90 Burdock 92 Soil mass

Claims (4)

In a root vegetables digger equipped with a pair of left and right digging and raising plates towed by a tractor and provided with vertical vibrations, and a soil unloading removal device installed above the rear end of each digging and raising plate ,
The soil loosening removal device is:
The rotation of the rotary shaft that is connected to the rotary power take-out shaft of the tractor and extends in the horizontal direction is transmitted through a rotation direction conversion mechanism, and is installed at a predetermined interval in a state orthogonal to the rotary shaft, and at a constant speed in opposite directions. A pair of rotating shafts extending in the vertical direction rotating at
A disk attached to each of the rotating shafts in a variable mounting position and detachably;
A plurality of rod-like members attached in a suspended state at equal intervals near the outer periphery of each disk;
A soil loosening removal device for a root vegetable digger characterized by comprising: The soil in the root vegetable digging machine according to claim 1, wherein a protective member made of rubber or synthetic resin for preventing damage to root vegetables is coated on the outer periphery of the disc and the outer periphery of the plurality of rod-shaped members. Loosening removal device. The soil unraveling machine for root vegetable digging machine according to claim 1, wherein a ring member having the same outer diameter as that of the disc is attached in parallel to the disc at the lower ends of a plurality of rod-like members attached to the disc. Removal device. The soil loosening removal apparatus for a root vegetables digging machine according to claim 3, wherein the outer periphery of the ring member is covered with a protective member made of rubber or synthetic resin for preventing damage to root vegetables.

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