JPH0221762B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention uses a vertical cutting blade such as a desk knife that cuts soil approximately vertically, and a horizontal cutting blade that cuts soil approximately horizontally at a predetermined depth position. ,
The soil is cut into 〓, the cut 〓 is turned approximately 90 degrees on the spot by a mold board installed at the rear of one side of the horizontal cutting blade, and then the cut 〓 is turned approximately 90 degrees on the spot by a guiding member installed at the rear of the horizontal cutting blade. A plowing and reversing device comprising a horizontal cutting blade and a mold board provided on one side of the plowing and reversing device of the in-situ reversing tillage work machine, which is configured to rotate the blade in the direction of rotation to perform reversing on the spot. This invention relates to improvements to a multiple type in-situ reversing tillage machine constructed using a raising and reversing device.

As shown in FIGS. 1 and 2, the in-situ reversing tillage work machine of the above-mentioned form has a front end portion of a machine body 1 that travels by being towed by a towing vehicle T such as a tractor or by itself. , a vertical cutting blade 2 that cuts the soil substantially vertically so as to make a substantially vertical cut,
The vertical cutting blades 2 are mounted in parallel with an interval corresponding to the left and right width of the 〓 to be formed, and behind the interval, the vertical cutting blades 2 are placed at a depth position corresponding to the lower end of the vertical cutting blade 2. Horizontal cutting blades 3 for cutting the soil approximately horizontally are disposed, and on one side of the rear of each horizontal cutting blade 3, there is a L cut that is cut from the soil by the vertical cutting blade 2 and the horizontal cutting blade 3. Push up the lower corner of one side diagonally upward to the other side as shown in Figure 3 A, B, and C, and cut 〓L at approximately 90 degrees in the groove M formed by cutting 〓L. A mold board 4 to be rotated (reversed) is disposed, and a mold board 4 is provided on the other side opposite to the mold board 4.
A pushing member 5 is provided to press the upper surface of the other side of the horizontal cutting blade 3, and the third
A mold board 6 is provided to push and guide the lower end of L, which is in a substantially upright state as shown in C in the figure, in the reverse direction so as to sweep from the side opposite to the mold board 4. A pressing member 7 is provided that presses the upper end of the L in the reversing direction from the side opposite to the mold board 6, thereby inverting the L cut from the soil on the spot. It is configured as follows.

In the in-situ inversion tillage machine of this type, a horizontal cutting blade 3 works together with the vertical cutting blade 2 to cut L from the soil, and a horizontal cutting blade 3 works together with the horizontal cutting blade 3 to cut the cut L from the soil. The mold board 4, which is to be inverted approximately 90 degrees, is mounted on the machine body 1 by a vibration mechanism 10 in order to forcibly and rapidly invert L in place (within the groove M formed after cutting L). A tillage reversing device a supported by a shank 8 which is pivotally supported so as to reciprocate (vibrate) along the front-rear direction.
This tillage inversion device a
However, when configuring it into a multiple-type in-situ reversing tillage machine that is arranged in parallel on the left and right in the same phase, this tillage reversing device a is installed on the left and right sides of one shank 8, as shown in FIG. In other words, the two horizontal cutting blades 3, 3 are formed in the shape of a wing plate with a swept angle in plan view, and are installed on both sides of the shank 8. Among the horizontal cutting blades 3, 3, the horizontal cutting blade 3 located on one side of the shank 8 (on the left side in the illustration) has a
A mold board 4 is provided at the end on the shank 8 side,
The horizontal cutting blade 3 located on the other side of the shank 8 (on the right side in the figure) is provided with a mold board 4 at the end opposite to the shank 8, so that two plowing and reversing devices a, a It has been found that it is effective to construct a unit plowing and reversing device A in which the plowing and reversing devices A are integrally connected, and to arrange a desired number of unit plowing and reversing devices A in parallel on the left and right sides.

By the way, by installing the tilling and reversing device a, which is constructed by attaching the horizontal cutting blade 3 with the mold board 4 on one end to the shank 8, on both the left and right sides of the shank 8, two types can be integrated. As shown in FIG. 2, the unit tillage and reversal device A is configured to be connected to the L, as shown in FIG. The two types of unit tillage and inversion devices A are formed into two types:
By combining two rows of L's in parallel so that the reversal directions of the L's are opposite to each other, four L's can be tilled simultaneously in one stroke to the state of furrow plowing as shown in Figure 2 B. By adding and combining unit tillage reversing devices A at each outer position of the unit tillage reversing devices A... with the reversal direction of the 〓L aligned, it becomes possible to increase the width of the ridge, but the width of the ridge can be increased, but the width of the ridge can be increased by combining the unit tillage reversing device A at each outer position of the unit tillage reversing device A... Unit tillage inversion device A
When arranging three rows of ridges in parallel, a problem arises in that the center of the ridge formed by the ridges is biased to either the left or right side.

The present invention solves this problem, and the tillage reversing device a, which is composed of a horizontal cutting blade 3 and a mold board 4 provided at one end of the horizontal cutting blade 3, is installed horizontally in the same phase on both the left and right sides of the shank 8. Installed in parallel,
While configuring the unit tillage reversal device A that is integrally connected to two series, when an odd number of units are combined in parallel in multiple series, the ridge core, which is the middle height of the ridge formed thereby, can be placed in the center. The purpose of this study is to propose new means for achieving this goal.

For this purpose, the unit plowing and reversing device of the in-situ reversing tillage work machine according to the present invention has a retraction mechanism on both the left and right sides of a shank mounted on the machine body, the front edges of which recede as they move away from the shank in plan view. The horizontal cutting blade is shaped like an angular wing plate,
In a state with a lifting angle that rises toward the trailing edge side,
In addition, when viewed from the rear, the front edge is mounted along a substantially horizontal plane and the rear edge rises as it moves away from the shank, and the horizontal cutting blades are cut by each horizontal cutting blade at the end on the side away from the shank. The multiple type in-situ inversion tillage machine according to the present invention is characterized in that it is configured by providing mold boards for inverting the picked up L toward the shank side by approximately 90 degrees on-spot, and the multiple-in-situ inversion tillage machine according to the present invention The unit plowing and reversing device described above is mounted on the left and right sides of the shank, which is mounted on the aircraft body, with horizontal cutting blades formed in the shape of wing plates whose leading edges recede as they move away from the shank in plan view. The cutting edge has a lifting angle that rises toward the trailing edge side, and when viewed from the rear, the leading edge is installed along a substantially horizontal plane and rises as the trailing edge moves away from the shank, and from the shank of these horizontal cutting blades. At the end on the far side, point the 〓 that is cut and lifted up by each horizontal cutting blade approximately toward the shank side.
The present invention is characterized in that a plurality of unit plowing and reversing devices, each equipped with a mold board for 90-degree in-situ reversal, are combined in parallel on the left and right in the same phase.

To be more specific according to the drawings of the embodiment, horizontal cutting blades 3, 3 are installed on both the left and right sides of the shank 8 mounted on the fuselage 1, as shown in FIG. 3a is formed and arranged in the shape of a vane with a sweeping angle that recedes as it moves away from the shank 8, and the leading edge 3a has a sweeping angle that gradually increases as it goes along a substantially horizontal plane and toward the trailing edge 3b. Regarding installation in a state where the
Although it is the same as the unit tillage and reversal device A shown in FIG. 6 and FIG.
As shown in FIG. 9, when viewed from the rear, the horizontal cutting blades 3,
The upper surface of 3 is a three-dimensional surface that greatly raises the outer end side away from the shank 8 as it goes rearward, and the horizontal cutting blade Mold boards 4, 4 installed so that L cut with blades 3, 3 is reversed
is installed at the end of each horizontal cutting blade 3, 3 on the side away from the shank 8 so as to invert the L toward the shank 8, and thereby the two plowing reversing devices a , a are installed on both sides of the shank 8 and are integrally connected to constitute a unit plowing and reversing device A'.

Next, FIGS. 10 and 12 show a multiple type on-spot reversing tillage working machine W constructed using the unit tilling and reversing device A' constructed as described above.
That is, the multiple type in-place reversing tillage work machine W shown in FIG. The tillage reversal device A and the unit tillage reversal device A shown in FIG. The shank 8... is linked to the vibration mechanism 10 provided on the machine body 1 (Fig. 1), and the vertical cutting blades 2... are arranged in front of these units A and A', and the vertical cutting blades 2... are arranged behind them. , each plowing and reversing device a consisting of the horizontal cutting blade 3 and mold board 4 of these unit plowing and reversing devices A and A' is abbreviated.
Each 〓L that was flipped 90 degrees on the spot is further approximately 45
A pushing member 5, a mold board 6, and a pressing member 7 for inverting a degree or more on the spot.
By providing appropriate means such as the above, it is configured to invert the six 〓L... simultaneously and on the spot in a state in which they are parallel to the left and right in the same phase. This multiple type on-spot reversing tillage work machine W has a configuration in which three unit plowing and reversing devices A, in which two plowing and reversing devices a, a are integrally connected, are combined in parallel. (There are cases where 5 rows, 7 rows, and even rows are combined in parallel.) This allows for simultaneous reversal of tillage. Tillage is being reversed to standing tillage.

In addition, the multiple type in-place reversing tillage work machine W shown in Fig. 12 has only one type of unit plowing and reversing device A' shown in Figs. At least, it is supported on the machine body 1, and each of these shank 8... is connected to the vibration mechanism 10 provided on the machine body 1 (Fig. 1), and these units are connected to the tilling and reversing device.
In front of A′..., vertical cutting blades 2... are arranged and supported on the machine body 1, and behind them, each of those plowing and reversing devices a... is used to invert approximately 90 degrees on the spot. By providing appropriate means such as a pushing member 5, a mold board 6, a pressing member 7, etc. to further invert each 〓L by about 45 degrees or more, six 〓L... The configuration is such that they are simultaneously inverted on the spot in a state in which they are paralleled on the left and right in the same phase. This multiple-type in-situ reversing tillage work machine W includes three units of unit tillage and reversing devices A' (two units or an appropriate number of units may be arranged in parallel, or only one unit may be installed and two units may be arranged in parallel). As shown in Fig. 13, the tillage and inversion equipment A' is used to invert the two
The two 〓L... are reversed on the spot in the groove M formed by cutting and tilling the 〓L. At the same time, the grass that was growing on the ground surface side of L before the inversion can be reversed without being exposed to the surface.

Next, to explain the function and effect, the unit tillage and reversal device A' in the in-situ reversal tillage work machine constructed as described above has blade-shaped horizontal cutting blades with a swept back angle provided on both sides of the shank 8. Cut with 3, 3 = L, L with those horizontal cutting blades 3, 3
Since the mold boards 4, 4 provided on each protruding end side are turned over to the side of the shank 8,
Front edges 3a, 3a with sweptback angles of horizontal cutting blades 3, 3
shank 8 so that the trailing edge 3b rises as it moves away from the shank 8 when viewed from the rear of the horizontal cutting blades 3, 3. By installing the horizontal cutting blades 3, 3 in such a manner that the upper surfaces of the horizontal cutting blades 3, 3 are inclined toward the shank side as they go rearward, L flows in the direction of reversal by the mold board 4. The two L and L can be smoothly reversed in the direction in which they abut against each other. From this, as shown in Fig. 10, a multiple type in-situ inversion tillage work machine W which is used in combination with a unit tillage inversion device A to till a large number of fields in the state of ridges and furrows. When constructing a tiller, it is possible to position the ridge core in the center when an odd number of unit tillage and inversion devices A and A' are installed in parallel, and also to remove the grass that was growing on the surface side before inversion. You will be able to reverse L... so that it is not exposed.

In addition, the multiple type in-situ reversing tillage work machine W, which is constructed by combining multiple unit tillage and reversing devices A' in parallel, can create a large number of small furrows at once, where the two 〓L, L are butted together. You will be able to cultivate the fields in parallel.

[Brief explanation of drawings]

Fig. 1 is a side view of an in-situ reversing tillage work machine that can carry out the present invention, Fig. 2 is a plan view of the main parts of the in-situ reversing tillage work machine for explaining the same, and Fig. 3 is a side view of the in-situ reversing tillage work machine. Explanatory drawings, Fig. 4 is a partially broken plan view of the unit tillage reversal device, Fig. 5 is a partially broken rear view of the same as above, and Fig. 6 is the same unit tillage inversion with the guiding direction reversed. FIG. 7 is a partially cutaway rear view of the device; FIG. 8 is a partially cutaway plan view of the unit tillage and reversal device according to the present invention;
FIG. 9 is a partially cutaway rear view of the same as above, FIG. 10 is a partially broken plan view of the main parts of a multiple type in-place reversing tillage work machine that can carry out the present invention, and FIG. 11 is a partially cutaway view of the same as above. FIG. 12 is a partially cutaway plan view of the main parts of the multiple type in-situ reversing tillage machine according to the present invention.
FIG. 13 is an explanatory diagram of the same effect as above. Explanation of drawing symbols, A, A'... Unit tillage reversal device, a... Tillage reversal device, 1... Aircraft, 10
...Vibration mechanism, 2...Vertical cutting blade, 3...Horizontal cutting blade, 3a... Leading edge, 3b... Trailing edge, L...〓,
T... Traction vehicle, M... Groove, 4... Mold board, 5... Pushing member, 6... Mold board, 7
...Press member, 8...Shank, W...Multiple type on-spot inversion tillage work machine.

Claims (1)

[Scope of Claims] 1. Horizontal cuts formed on both the left and right sides of the shank 8 mounted on the aircraft body in the shape of wing plates whose leading edges 3a, 3a recede as they move away from the shank 8 in plan view. The blades 3, 3, the trailing edge 3b,
3b side, and when viewed from the rear, the front edges 3a, 3a are along a substantially horizontal plane, and the rear edges 3b, 3b are in a state where the side away from the shank 8 is raised. Attach the horizontal cutting blades 3, 3 to the ends of the horizontal cutting blades 3, 3 on the side away from the shank 8. A unit plowing and reversing device for an in-situ reversing tillage work machine, characterized in that mold boards 4 for reversing are provided respectively. 2. At the left and right sides of the shank 7 mounted on the aircraft, horizontal cutting blades 3, 3 formed in the shape of wing plates with a swept angle that recede as their leading edges 3a, 3a move away from the shank 8 in plan view are installed at the rear. Rim 3b, 3
In a state with a lifting angle that rises toward the b side,
In addition, when viewed from the rear, the front edges 3a, 3a are mounted along a substantially horizontal plane, and the rear edges 3b, 3b are mounted with the side away from the shank 8 raised, and the side of the horizontal cutting blades 3, 3 away from the shank 8 is raised. It is cut and pulled up by each horizontal cutting blade 3, 3 at the end of
It is characterized in that a plurality of unit plowing and reversing devices A' each having a mold board 4 that is inverted approximately 90 degrees with L toward the shank 8 side are combined in parallel on the left and right in the same phase. Multiple type in-situ reversing tillage machine.