JP3044559B2 - Field ditcher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a field digger for forming a drainage groove in a field such as a paddy field.

[Prior Art] Conventionally, as this type of field ditcher, there is Japanese Utility Model Publication No. 39323/35323.
No. 4, No. 4-16323, and No. 43-6982, a traveling machine is provided with a machine frame, a rotating tilling claw is provided on the machine frame, and the field soil is plowed and crushed by the cultivating claw. At the same time, there is known one that is configured to hop and dig at the same time.

As another conventional structure, there is a structure in which a plow member is provided on the machine frame and a groove is dug by the plow member by traveling of the traveling machine body.

In the case of the structure using the above-mentioned tilling claws, the cultivation and crushing action is good, but the tilling soil remains because of the action of the centrifugal splashing action, and the digging marks are not always satisfactory, and the plow member is used. In this case, the traction force of the traveling aircraft becomes excessively large, and it is necessary to use a large traveling aircraft which is difficult to purchase by ordinary farmers.Therefore, as shown in Japanese Utility Model Publication No. 59-10214, a groove is provided at a position forward of the plow member in the traveling direction. There has been proposed a structure in which cut bodies are arranged to oppose each other to alleviate the digging resistance of the plow member.

[Problems to be Solved by the Invention] However, in the case of the above-mentioned conventional structure, when the grooving body is advanced by the traveling body, the grooving is performed on the field scene, and the digging is performed with the plow member, Are scattered, and the grooving action by the grooving body is hindered, and the excavated soil dug up sideways by the plow member climbs up on the foreign material and reappears together with the foreign material. It has a disadvantage that it may fall into the groove.

Means for Solving the Problems An object of the present invention is to solve these inconveniences, and the gist of the present invention is to provide a traveling machine, a grooving body capable of grooving in a field scene, and the grooving. A plow member disposed behind the body in the traveling direction and capable of scooping up and discharging the field soil, and a horizontal axis disposed in front of the grooved body in the traveling direction and inclined with respect to the traveling direction. And a pre-processing mechanism having a scraping member for laterally moving impurities such as straw chips scattered in the field scene by a spring-like scraping member rotating sideways as the aircraft travels. A feature of the field diggers.

[Operation] When the traveling machine body runs on the machine frame while piercing the lower part of the grooved body and the lower part of the plow member into the field, the field scene is grooved by the grooved body, and the soil during the groove cutting is plowed. It is cut off by the member and discharged to the side.

At this time, the spring-shaped scraping member of the pretreatment mechanism rotates sideways with a horizontal axis inclined with respect to the traveling direction as the traveling body travels, and removes straw chips and the like scattered at a position forward in the traveling direction of the groove cutting body. The contaminants are allowed to escape to the side of the grooving body.

[Embodiment] Figs. 1 to 4 show an embodiment of the present invention, in which 1 is a traveling body, in this case a traveling body part of a riding rice transplanter, and a three-point link type is provided at the rear of the traveling body 1. A connecting mechanism 2, which includes a lower link 3 on the left and right, an upper link 4 and the like in this case, is provided, and the machine frame 5 is pivotally connected by the connecting mechanism 2 so as to be able to move up and down.

In this case, the machine frame 5 includes a connecting frame 6 and a main frame 7, and a connecting plate 8 is attached to a rear portion of the connecting frame 6, and the main frame 7 is mounted.
A connecting piece 9 is provided at the front end of the connecting plate 8, and the connecting piece 9 is pivotally connected to the connecting plate 8 by a connecting shaft 10, and the lower through hole 11 and the upper through hole 12 are arranged on a radius centered on the connecting shaft 10 of the connecting plate 8. A locking pin 13 that can be inserted into the lower through-hole 11 or the upper through-hole 12 is attached to the connecting piece 9 so that the main frame 7 can escape upward during non-operation or the like.

Reference numerals 14 and 15 denote a pair of grooved bodies, each of which has several
14a and 15a are notched, and a square pipe-shaped support frame 16 is attached to the main frame 7 of the machine frame 5 in a substantially forward-downward shape.
A mounting member 17 is vertically movable inside the mounting member 16, and the mounting member 17 is provided so as to be vertically movable by turning a handle 18 by a screw mechanism (not shown). Each end is fixedly protruded downwardly, and groove cut bodies 14 and 15 are mounted on the left and right sides of the axle 19 at predetermined intervals so as to be rotatable in an inverted C-shape in front of each other.

Reference numeral 20 denotes a plowing member. In this case, the leading end width of the plowing member 20 is formed to be the same as or slightly smaller than the width between the grooved bodies 14 and 15, and the leading end of the plowing member 20 is formed into a tapered portion 20a. The rear portion is formed at a discharge portion 20b twisted so as to discharge the excavated soil to the side.

In this case, a mounting arm 21 is pivotally mounted on a rear portion of the support frame portion 16 provided on the machine frame 5 by a mounting pin 22, and a nut body 24 is pivotally mounted on a rear end of the main body frame portion 7 by a pin 23. A screw 25 is screwed onto the mounting arm 24, and the screw 25 is provided so as to be vertically movable by the rotation of a handle 26.The lower end of the screw 25 is pivotally attached to the rear part of the mounting arm 21 by a pin 27. Is attached.

28 is a stable member, the front part of the stable member 28 is formed in a sled-shaped front upper part 28a, the central part is formed in a flat part 28b,
The rear portion is formed at the rear upper portion 28c, is fixed to the lower end portion of the mounting member 17, is disposed between the grooved members 14 and 15, and is provided so as to be vertically movable by the rotation of the handle 18. .

29 is a weight which is placed near the rear part of the main frame 7 and on which the weight 29 can be mounted on the connecting frame 6.
6a is formed.

Reference numeral 30 denotes a pre-processing mechanism. In this case, a rotating shaft 31 is provided horizontally on the connecting frame 6 by a bearing 32 in an oblique direction in the traveling direction, and a rotating plate 33 is mounted on the rotating shaft 31. A torsion coil spring-like scraping member 34 having self-elasticity is attached to each of the 18 by bolts 34a and 34b, and the spring-like scraping member 34 is inclined with respect to the traveling direction as the traveling body 1 travels. With a horizontal axis
Contaminants such as straw waste scattered in front of the traveling direction of 14 and 15 are configured to escape to the side of the grooved body.

Reference numeral 35 denotes a pulling mechanism. In this case, spring hooks 36 and 37 are attached to the connection frame 6 and the support frame 16, and a pulling spring 38 is hung between the spring hooks 36 and 37. Make up.

Since this embodiment has the above-described configuration, when the traveling machine 1 travels through the machine frame 5 while penetrating the lower portions of the grooved members 14 and 15 and the lower part of the plow member 20 into the field a, the grooved members 14 and 15 are moved. Makes two grooves in the field scene a while rotating in the direction of the arrow. In this case, the grooving resistance is reduced by the blades 14a and 15a, and the soil during the two grooves is removed by the rear plow member 20. , And is discharged to the side. As a result, it is possible to perform digging work in the field. First, grooving is performed by the grooving members 14 and 15, and the plow member 20 cuts the grooving work. Since T is discharged to the side, the digging work resistance can be reduced, the increase in the traction force of the traveling machine 1 can be suppressed, and a smooth and highly efficient digging work can be performed.
At this time, since the spring-shaped scraping member 34 of the pre-processing mechanism 30 is in contact with the field scene a, the spring-shaped scraping member 34 rotates in a horizontal direction with the horizontal axis inclined with respect to the traveling direction as the arrow direction as the traveling body 1 travels. However, the scraping member 34 bends at the time of this contact, and jumps up at the time of non-contact. Due to this behavior, impurities G such as straw chips scattered at the front position in the traveling direction of the groove cutting bodies 14 and 15 due to the rotation of the scraping member 34 are grooved. Escape to the side of the bodies 14 and 15, in this case, the side opposite to the discharge position of the excavated soil T, so that the grooving action by the grooving bodies 14 and 15 is performed well and the It is possible to obtain a groove W that can suppress the discharge of the soil and can effectively function as a field groove.

Further, in this case, since the stabilizing member 28 is located between the grooved bodies 14 and 15 and comes into contact with the field a, the attitude of the grooved bodies 14 and 15 can be maintained and the groove cutting depth can be kept constant, so that the digging operation can be performed. Smoothly, the stabilizing member 28 can be smoothly run by the front upper portion 28a of the stabilizing member 28, and the ground cut by the stabilizing member 28
The flat portion 28b reliably contacts the upper surface of the field, and the weight 29 is placed on the main frame 7, so that an appropriate load is applied to the grooved bodies 14, 15 and Plow member 20
And good groove cutting work can be performed accordingly.

During non-operation, etc., the weight 29 is removed from the main frame portion 7 and mounted on the mounting portion 6a, the locking pin 13 is removed from the lower through hole 11, and the main frame portion 7 is Rotate upwards,
By inserting the locking pin 13 into the upper through hole 12, the main frame 7 can be arranged to escape upward. At this time, the lifting force of the lifting spring 38 of the elastic mechanism 35 facilitates the lifting. Easy.

In the above embodiment, the grooves 14 and 15 are formed as a pair of grooves.
Although the grooves 14 and 15 are used, the groove cuts 14 and 15 may be formed as blade-shaped groove cutting blades.
Although one set of 15 and the plow member 20 is arranged, there may be two or more sets.

Further, the torsion coil spring-shaped scraping member 34 of the pre-processing mechanism 30 is used.
Is appropriately selected, and the scratching member may have another shape or structure.

[Effects of the Invention] As described above, the present invention, when the machine body travels while piercing the lower part of the grooved body and the lower part of the plow member into the field by the traveling body, the grooved body rotates and the groove is formed in the field scene. The soil during the grooving is cut off by the plow member at the rear thereof and discharged to the side. As a result, grooving work in the field can be performed. The plow member cuts this and discharges it to the side, which reduces the resistance of the digging work, suppresses the increase in the traction force of the traveling body, and enables smooth and efficient digging work. The spring-like scraping member of the mechanism rotates sideways with a horizontal axis inclined with respect to the traveling direction as the traveling body travels, and foreign substances such as straw chips scattered in front of the grooved body in the traveling direction are grooved. It escapes to the side of the body, so that the grooving action is Thus, the function as a field ditch can be favorably performed.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of the drawings]

1 is a side view, FIG. 2 is a plan view thereof, FIG. 3 is a front view thereof, and FIG.
The figure is a partial front view thereof. 1 ... traveling body, 5 ... machine frame, 14/15 ... grooved body, 20 ...
... plow member, 30 ... pretreatment mechanism, 34 ... scratch member, a ...
Field, W ... groove.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-64-13902 (JP, A) JP-A 57-75057 (JP, U) JP-A 57-89401 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) A01B 13/00 A01B 15/18 A01B 17/00

Claims (1)

(57) [Claims] 1. A traveling body, a grooving member capable of grooving in a field scene, and a plow member disposed behind the grooving member in the traveling direction and capable of scooping up field soil and discharging the soil to the side. Impurities such as straw chips and the like scattered in the field scene by a spring-like scraping member disposed in front of the groove cutting body in the advancing direction and rotating sideways with the horizontal axis inclined with respect to the advancing direction as the traveling body travels. A field digging machine comprising: a pretreatment mechanism having a scraping member for allowing an object to escape laterally.