JPH0449361B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a tillage device for performing a plowing operation and a plowing operation.

(Prior Art) Conventionally, when plowing and reversing work is performed using a desk plow, first, at the edge of a furrow, for example, one step of so-called plowing work is to plow and reverse a row using a plow, plow, desk plow, etc. It is common to do this.

(Problems to be solved by the invention) In the case of the above-mentioned work, the normal tilling work and the plowing work are performed separately, so the workability is poor, and
Since it is difficult to use the desk plow used in normal tillage work to open the edges of furrows, there is a problem in that a separate work machine for opening the furrows must be prepared.

The present invention was made in view of the above points, and aims to improve work efficiency by making it possible to simultaneously perform plowing work and normal tilling work in one stroke, and also to perform both the above-mentioned works with one work machine. The purpose is to make it possible.

[Structure of the invention]

(Means for Solving the Problems) The tilling device of the present invention includes a main body frame, the main body frame is provided on the main body frame in an inclined state in the forward and backward direction of the traveling direction, and the drive shaft is provided in the above-mentioned inclined state. A work body that plows over a predetermined width while moving by installing a plurality of desks that plow and invert toward one side of the front side at a predetermined interval, and a work body that plows over a predetermined width while moving forward; The plowing work body is provided on one side of the body so as to be movable up and down on the front outside, and when descending, plows and reverses the soil to the work body side to perform plowing work.

(Function) In the present invention, when plowing work is performed together with plowing work, the plowing work body is lowered, and while the plowing work body advances together with the work body, each desk of the work body sequentially plows over a predetermined width. Turn the plow laterally. At the same time, one side of the plowing work width of this work body is plowed in advance by the plowing work body at a position slightly ahead of the work body, and plowing is reversed to the work body side to perform plowing work. and,
The trench created by this opening operation is buried by plowing and reversing the work body.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In the figure, reference numeral 1 denotes a main body frame, and an upper transmission 2 is attached to the middle part of the main body frame 1, and a connection frame 3 extending parallel to the front from both ends of the main body frame 1 and the upper transmission 2 An upper connecting frame 4 extending forward and upward is provided, and connecting portions 5 connected to a three-point suspension mechanism of the tractor are provided at the leading ends of the connecting frames 3 on both sides and the upper connecting frame 4.

The upper transmission 2 has an input shaft 7 protruding from the front part of the case body 6, and
A shift lever 8 for switching the rotational direction is provided at the upper part of the shaft.

Further, a hollow cylindrical support 9 is integrally connected to the opening edge of the lower wall of the case body 6 of the upper transmission 2, and an output shaft 10 from the upper transmission 2 is inserted into the support 9. There is.

A cylindrical rotating body 14 is rotatably fitted into the support body 9, and a lower transmission 15 is connected to the lower end of the rotating body 14. This lower transmission 15 has a case body 16 integrated with the rotating body 14.
The middle part of a drive shaft 17 connected to the output shaft 10 is supported by the case body 16, and both ends of the drive shaft 17 are supported by bearings in support frames 19 attached to both upper sides of the rotating body 14. 20. A plurality of bowl-shaped desks 18 are provided on both sides of the drive shaft 17 protruding from the case body 16.
are arranged in parallel at predetermined intervals.

Further, a fan-shaped fixing plate 11 is integrally fixed to the upper front side of the support body, and locking holes 12 are formed vertically through both side edges of this fixing plate 11, and Stopper 13 downwards from
is installed protrudingly. Further, an engagement protrusion 21 is integrally protruded from the upper end of one side of the rotating body 14, and a communication hole (not shown) communicating with the locking hole 12 of the fixed plate 11 is bored in the engagement protrusion 21. A lock pin 22 is removably inserted into this communicating hole and one of the locking holes 12. Furthermore, the rotating body 1
4 and the support body 9 are removably fixed to each other by a stopper screw.

Extension portion 2 of support frame 19 on one side of rotating body 14
3 is rotatably attached to one end of a connecting piece 28 via a support shaft 24, the upper end of a tail wheel support frame 25 is attached to the lower part of the connecting piece 28, and the lower end of this tail wheel support frame 25 has a A tail wheel 26 having a control wheel 26a on its outer periphery is mounted on an axle 27. Further, one end of the interlocking piece 29 is attached to the other end of the connecting piece 28, and the support shaft 30
The other end of the connecting piece 29 is rotatably attached to a projecting piece 31 protruding from the rotating body 14 by means of a support shaft 32. Therefore, one support frame 19, the connecting piece 28, and the interlocking piece 2
9 and the projecting piece 31 constitute a parallelogram frame 33 that is horizontally rotatable. As a result, a work body is constructed in which the parallelogram frame 33 is used as a base and a plurality of desks 18 are arranged in parallel on the drive shaft 17, and this work body is set to be inclined in the forward and backward direction of the traveling direction when viewed from a plane. and each desk 18 is
It is provided so that plowing can be reversed toward one side of the front side of the above-mentioned inclined state.

A mounting bracket 34 is integrally fixed to the connecting frame 3 on one side of the main body frame 1, and mounting holes 36 are formed in opposing mounting plates 35 formed at the outer end of the mounting bracket 34. At the same time, locking holes 37 and 38 are formed opposite to each other in the front and upper parts of the mounting hole 36, respectively. Further, the upper end portion of the arm 39 is inserted between the opposing mounting plates 35, and this arm 3
A support shaft 41 is penetrated and locked in the communication hole 40 formed at the tip of the arm 9 and the mounting hole 36, and the arm 39 is supported so as to be freely rotatable in the vertical direction around the support shaft 41. Further, an insertion hole 42 communicating with the locking holes 37 and 38 is bored near the communication hole 40 of the arm 39, and the insertion hole 42 and the locking holes 37 and 38 are connected to each other.
A lock pin 43 is removably inserted into the selected one. Furthermore, a bowl-shaped mouth-opening desk 45 as a mouth-opening work body is rotatably set inside the lower end of the arm 39 via a support shaft 44 and tilted inward in a direction opposite to the direction of each desk 18. It is supported. The opening desk 45 is disposed so as to be able to rise and fall freely on the front outside of one side of the working body having the desk 18, and is set so that when descending, the plowing desk 45 is turned over to the working body side. has been done.

Next, the operation will be explained.

Each connection part 5 of the main body frame 1 is connected to each connection part of the three-point suspension mechanism of the tractor, and the input shaft 7 provided on the upper transmission 2 of the main body frame 1 is connected to the output shaft part of the tractor via a universal joint. Link.

In the case of right-turning tilling work while performing plowing work on the outward trip, as shown in FIG.
At the same time, a lock pin 43 is inserted through the insertion hole 42 and the locking hole 37 to lock the arm 39. As a result, desk 4
No. 5 is set so as to project toward the front right in the traveling direction and incline inward at a predetermined angle to plow and reverse the soil.

Further, with the screws and lock pins 22 that fixed the rotating body 14 to the support body 9 removed, the rotating body 14 is rotated to the right around the support body 9, and the engagement protrusion of this rotation body 14 is rotated. 21 is brought into contact with the stopper 13 on the right side of the fixed plate 11. Then, the locking pin 22 is inserted and locked into one of the locking holes 12 of the fixed plate 11 and the communication hole of the engaging protrusion 21 that communicates with the locking hole 12, and the rotating body 1
Secure with screws. As a result, as shown in Fig. 1, the work body having the desk 18 is locked in the set position, and the drive shaft 17 is set to be tilted at a predetermined angle with the right side forward with respect to the direction of movement of the machine. At the same time, each desk 18 is also set to be inclined at a predetermined angle on the drive shaft 17.

When the machine is towed by a tractor and the input shaft 7 is interlocked, the drive shaft 17 is driven via the output shaft 10 and the lower transmission 15, and each desk 18 attached to this drive shaft 17 is driven. At the same time, the soil in the field is successively plowed and turned over to the right in the direction of travel by each desk 18.

In addition to the plowing and reversing work performed by each of the desks 18, the plowing desk 45 disposed at the front in the direction of travel is used to remove soil from, for example, the track of a tractor wheel or the edge of a ridge by a predetermined width. The plowing is reversed and the opening work is carried out. Then, the soil that has been plowed and turned inward for the plowing work by the plowing desk 45 is transferred to the plowing desk 45 by the plowing and turning work to the outside by each of the desks 18 that are arranged facing outward. The soil is tilled and crushed outward again by the first desk 18 following the step 18, and the soil is turned over, and the trench formed by the opening operation is buried. Therefore, it is possible to perform right-turning plowing work while opening the edges of furrows, etc., and it is possible to perform the tilling-turning work evenly at the same time as other parts other than the tracks of the tractor wheels and the ridges. can.

Next, if opening the mouth is not required,
While pulling out the lock pin 43 that locks the arm 39 having the mouth-opening desk 45, the arm 39
is rotated upward about the support shaft 41 to lift the mouth-opening desk 45 onto the main body frame 1. and,
The insertion hole 42 of the arm 39 is aligned with the locking hole 38, and the lock pin 43 is inserted through the insertion hole 42 and the locking hole 38 again to lock the arm 39.

In addition, when performing left-turning tilling work, remove the screw and lock pin 22 that fixed the rotary body 14 to the support body 9, rotate the rotary body 14 to the left around the support body 9, and rotate the rotary body 14 to the left. Moving object 1
4 to the left stopper 1 of the fixing plate 11.
3. Then, the locking pin 22 is inserted and locked into the locking hole 12 on the other side of the fixed plate 11 and the communication hole of the engaging protrusion 21 communicating with the locking hole 12, and the rotating body 14 is fixed to the support body 9 with screws. As a result, the work body having the desk 18 is locked in the set position, and the drive shaft 17 is set in an inclined state with the left side forward at a predetermined angle with respect to the traveling direction of the machine, and each of the drive shafts 17 is The desk 18 is also set to be tilted at a predetermined angle.

While the machine is towed by a tractor, the drive shaft 17 is driven, and each desk 18 of the drive shaft 17 plows and inverts the soil in the field sequentially and continuously to the left in the direction of travel.

In this way, by horizontally rotating the work body having the desks 18 around the support body 9 to the left and right tilted state, and locking the setting plate, each desk 1
8 can be used as a dual-purpose type, and each desk 18 allows smooth reciprocating plowing work.

In the above embodiment, a case has been described in which the opening desk 45 is used as an opening work body for inverting and discharging soil to the side with a predetermined width, but the opening work body 45 is not limited to the desk 45, and may be , plows, soil plate desks, etc. may also be used.

〔Effect of the invention〕

According to the present invention, it is possible to perform the plowing work and the plowing work at the same time in one stroke, and the workability of the plowing work can be greatly improved, and since the grooves are immediately buried after the plowing work, unevenness can be improved. Less level cultivated land can be easily obtained. In addition, it is economical because a single work machine can be used for both the opening work and tillage work, and there is no need to prepare both dedicated work machines, which reduces the economic burden on farmers. Moreover, it is extremely advantageous because it only requires the space of one vehicle for transportation to the field and storage when not in use.

[Brief explanation of the drawing]

FIG. 1 is a plan view of a tilling device showing one embodiment of the present invention, and FIG. 2 is a rear view of the same. 1... Body frame, 17... Drive shaft, 18...
...Desk, 39...Arm, 45...Desk for opening the mouth as a work body for opening the mouth.

Claims (1)

[Scope of Claims] 1. A main body frame, which is provided on the main body frame in an inclined state in the front and back direction of the traveling direction when viewed from a plane, and has a drive shaft that is provided with a drive shaft that is tilted toward one side of the front side of the inclined state. Multiple desks that can be raised and turned over are placed side by side at predetermined intervals,
A working body that performs tilling work over a predetermined width as it advances, and a working body that is provided on the main body frame so as to be able to rise and fall freely on the front outside of one side of the working body, and plows soil toward the working body when descending. A tillage device comprising: a plowing work body that performs plowing work by inverting; 2 The mouth-opening work body includes an arm that is supported by the main body frame so as to be movable up and down, and a mouth-opening desk that is rotatably supported at the lower end of this arm toward the inside opposite to the direction of each desk of the work body. Claim 1 characterized in that it consists of
Tillage equipment as described in section.