JPS6342603A - Plowing machine - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a tiller, and mainly relates to a tiller for cultivating seed beds, transplant beds, etc.

(Prior art) In general, seed beds and transplant beds are constructed by coarsely tilling the lower layer and finely tilling and crushing the upper layer.
, ”) '(There.

Therefore, in the past, for example, a ll.
1] - A tari is arranged rotatably, and this tillage [1 - A pulverizer 11 for finely crushed soil is placed in the rear of the tari] - A tari is arranged rotatably on a shaft, and the IC is a so-called two-shaft. 1゜(Problem to be solved by the invention) In the case of the conventional two-shaft 15-type tiller described above, the crushing shaft of the soil crushing rotary that finely crushes the surface layer +, L, it is mounted on a shaft in a fixed position, and the vertical position can be adjusted (
M1 is also fixedly mounted on the axis at the adjustment position. Therefore, with such a conventional soil crushing rotary, the M1 rotary is rotated to a preset position C, so it is difficult to follow the changes in the morphology of the surface layer of the M1 soil. For example, if the surface layer of cultivated soil is uneven, it cannot be dealt with.As a result, the depth of cultivated soil is not constant, and M
1 The surface of the soil is covered with obstacles, and the lifting platform has holes and cracks that change accordingly. There is a problem in that there is a problem in that the resistance becomes too large and the work becomes impossible due to clogging.

Therefore, the present invention was made in view of these points,
The soil crushing rotary installed at the rear of the tillage rotary can follow the changes in the shape of the surface layer of cultivated soil, thereby crushing the surface layer at a constant plowing depth and avoiding obstacles such as stones. The object of the present invention is to provide an IC power tiller that prevents blockage and enables smooth and orderly operation of the field.

[Structure of the invention]

(Means for solving the problem) The cultivator of the present invention has II &, n on the main frame 11.
- A rotary rotary is mounted on a shaft so that it can be rotated freely, and the upper part of this rotary is covered with a cover body, and side plates are attached to the rear end of this cover body on both left and right sides. A soil crushing rotary which crushes the surface layer of tilled soil by the tilling rotary is rotatably mounted on the left and right side plates of this pair of plates so as to be rotatable. According to the cultivator, the main frame is for example]
・When the tiller is connected to the tractor and the tiller is advanced, and the tiller rotary and soil crushing rotary are rotated and advanced by the human power from this tractor, #1]-1-
), 1.1g of the field is tilled at a predetermined plowing depth with a relatively large ring, and the surface layer of this tillage is pulverized at a predetermined plowing depth using a crusher.

In this way, a seed bed and a transplant bed are created, and the seed bed and transplant bed are created with the lower layer being rough and the surface layer being finely crushed.

(Embodiment) Hereinafter, one embodiment of the present invention will be described based on the attached drawings.

In the figure, reference numeral 1 denotes a water body frame, to which the upper part of the f-+-n case 2 is fixed to one end of the main body frame 1, and to the (l!! end of the main body frame 1) The upper parts of 1 rackets i to 3 facing λ1 are fixed to 1 cone case 2.
A tilling shaft 5 of a tilling rotary 4 is rotatably mounted between the ends of the above brackets 3. This tiller [1-tally 4] is constructed by protruding a plurality of tilling claws 7 in a qJ shape from the inner peripheral side of the tilling shaft 5 via a flange 6.

Further, a transmission 8 is fixed to the middle part of the main body frame 1, and an input shaft 9 of this mission 8 is protruded toward the front side, and an output shaft 1 is interlocked and connected to this input shaft 9.
0 is projected backwards.

Also, a power transmission shaft 1 interlocked with the mission 8
1 is rotatably provided within the main body frame 1, and the output end of this power transmission shaft 11 projects into the case 2, and this output end and the tiller shaft 11 are connected to the tiller. The input end of the tilling shaft 5 of No. 4 that protrudes into the boom case 2 is rotatably connected to the input end of the tilling shaft 5 of No. ing.

Next, a cover body 12 covering the upper part of the tilling rotary 4 is placed between the chain case 2 and the bracket 3.
is solidified, and the tenth end of the soil plate 13 interposed between the rear side plates 12a of the cover body 12 is attached to the rear end of the cover body 12 via a plurality of hinges 14 so as to be freely rotatable in the vertical direction. It is worn. Further, guides 15 are protruded from the rear portions of both sides of the cover body 12, and the upper portions of suspension rods 16 are attached to the guides 15 on both sides so as to be able to move forward and backward, and the lower ends of the suspension rods 16 on both sides are connected to the opposite plate. Locking J' protruding from both sides of 13,
17, and a coil spring 18 is wound around a suspension rod 16 at the upper and lower portions of the guide 15.
With this coil spring 18 and suspension rod 16, the earth plate 1
3 is elastically supported by the cover body 12 so as to be freely rotatable.

Next, crushed soil covers 19 are arranged in a row in ten directions at the rear end of the earth counter plate 13, and side plates 20 are installed facing each other on both left and right sides of this crushed soil cover 19, and the side plates on both left and right sides 20
A crushing rotary 21 is rotatably mounted on an axis. This crushing rotary 21 has a crushing shaft 22 which is rotatably mounted between the side plates 20, and a large number of crushing claws 23 are attached to the circumferential side of the crushing shaft 22 in the axial direction via flanges 24. radially protruding vtt = 6- color.

Further, a mixer 25 for rotating the soil crushing shaft 22 is provided at the intermediate portion of the soil crushing shaft 22 of the soil crushing rotary 21, and a power transmission shaft 25 is connected to the input shaft 25 of the mission 25. 7 is connected to the universal joint 28 at one end of the power transmission shaft 27, and two universal joints at the other end of the power transmission shaft 27 are connected to the output shaft 10, and the power transmission shaft 27 is It is configured to be expandable and retractable, but fixed in the axial direction. Furthermore, a ground leveling plate 30 is vertically movably connected to the v2 end of the crushed soil cover 19 between the side plates 20. In addition, numeral 31 in the figure is a connecting frame connected to the main body frame 1.

Next, the operation of the above configuration will be explained.

The connecting frame 31 is connected to the three-point suspension mechanism of the tractor, and one end of the power relay shaft is connected to the power take-off shaft of the one tractor, and the other end of this power relay shaft is connected to the input shaft 9. .

Then, as the machine is towed by a tractor,
The power input from the tractor to the input shaft 9 causes the mixer 8, the moving horn transmission shaft 11, and the endless horn to move the jig 11-tally 1 in parallel rotation, and along with this, the mixer The C crusher 11-tally 21 is rotated through the engine 8, the power transmission shaft 27, and the mixer 25.

In this way, the soil in the field is tilled at a predetermined plowing depth with a relatively large ring a, and the surface layer of this tilled soil is tilled at a predetermined depth M1 by the soil crushing rotary 21. The large ring body a is crushed into small pieces, and the surface of this crushed soil is leveled by a leveling plate 30.

In the above case, the crushing +1]-tally 21 is mounted on a shaft between the h and right side plates 20 of the anti-soil plate 13, which is supported so as to be able to freely rotate in the vertical direction. relationship a
The soil is crushed by moving up and down following the shape of the surface layer that has been tilled.4. The soil is crushed while moving up and down in accordance with each L, and therefore, the surface layer consisting of the human-like ring a is finely crushed by the L-Tari 21 at a constant plowing depth, and there are no obstructions. The soil is crushed 9 while avoiding this, and the work is smooth because there is no blockage between the crushing rotary 21 and the tilling rotary 4 due to the good rotation of the rotary 21. It will be held in

In this way, the soil crushing rotary 21 progresses to crush soil while automatically overcoming changes in the shape of the surface layer and obstacles, thereby creating a seed bed,
A transplanting bed is created, and in this seeding bed or transplanting bed, the lower part A, which is made up of relatively large rings a, is coarse, and the surface part B, which is made up of small, finely crushed soil, is finely crushed soil, and is used for sowing or transplanting. created in favorable conditions.

(Effects of the Invention) According to the present invention, the crushing rotary provided at the rear end of the tilling rotary can reliably follow the change in the form of the surface layer of the tilled soil, which has been tilled by the tilling rotary. It is possible to crush the rough surface layer to a certain v1 depth, and it is also possible to avoid obstacles such as stones and move from C crushing 1 to advancing 1J, and with the help of the crushing rotary. The up and down movement prevents soil clogging from occurring at the curved part of the soil, which allows for smooth and orderly mulch work, as well as a seed bed in a favorable condition for sowing or translocation. It is possible to provide a tiller that can create a transplant bed.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side view of the tiller, and Fig. 2 is a partially cutaway rear view of the cultivator. 1. Main frame, 4. Tillage rotary, 12. Cover rest, 13. Soil plate, 20. Side plate, 21. Soil crushing rotary.

Claims (1)

[Claims] (1) A main body frame, a tilling rotary that is rotatably mounted on the main body frame, and a cover body that covers the top of the tilling rotary, which is elastically supported on the rear end of the cover body so as to be able to freely rotate in the vertical direction and on both left and right sides. It is characterized by comprising a counter-soil plate having side plates, and a soil crushing rotary rotatably mounted on a shaft on both left and right side plates of the counter-soil plate to finely crush the surface layer of the tilled soil by the tilling rotary. Tiller.