RU2567022C1 - Rotary plough - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: rotary plough comprises a hitch (1), a frame (2) with a working section (3) mounted on it, with the spherical cut-out discs (4). The section (3) is driven by the PTO shaft (5) of the tractor through the gimbal drive (6), a bevel gear (7), a gimbal drive (8), and a spur-gear speed reducer (9). The spur-gear speed reducer (9) is tilted forward in the direction of travel at an angle of a=45°. On both sides of the hitch (1) two gauge shoes (10) of trapezoidal shape are mounted. The shoes (10) are pivotally mounted on the bracket (11) and have an antifriction coating. The bracket (11) is pivotally mounted on the front of the frame (2) and has a mechanism (12) of adjusting the position of the gauge shoe (10) in height.

EFFECT: reduction of traction force of the tractor.

2 cl, 2 dwg

Description

The invention relates to agricultural machinery, in particular to implements for tillage.

A tillage implement is known (patent RU No. 2453086, IPC A01B 33/00, A01B 7/00, published 06/20/2012) containing a frame on which a three-point mounted device is mounted to the tractor, a drive gear fixed rigidly to the left beam of the frame, a disk battery , which is made in the form of a horizontal shaft on which spherical cut-out disks with spacer sleeves are installed, tightened by a nut.

The drive from the tractor power take-off shaft to the drive gear of the disk battery is transmitted through an angular gear using a cardan shaft.

The depth of stroke of the working bodies is supported by a support wheel installed with an adjusting device.

The main disadvantages of the tillage tool according to patent RU No. 2453086 is that:

1. When processing the soil, the implement does not provide the same plowing depth across the working width due to the installation of the support wheel on only one side of the linkage.

2. Due to the relatively small area of contact with the soil, the support wheel is buried by at least 2 ... 3 cm, or even more, which contributes to soil compaction, creates resistance to rolling of the support wheel and increases the tractor traction.

3. Due to the vertical arrangement of the drive gear on the left beam of the frame:

- increased shoulder location of the center of gravity of the gearbox;

- increased consumption of gear oil poured into the gearbox.

4. The relatively high cost of the support wheel due to the presence of expensive bearings in it.

A tool for reproducing soil fertility OVPP-2.4 (see Protocol No. 02-07-08 (1010012) of acceptance tests is known. Tools for reproducing soil fertility, a working width of 2.4 m (OVPP-2.4), Amur State Zonal machine-building station, village of Zeleniy Bor-2008), containing a load-bearing beam, on which a working battery is mounted, consisting of a shaft and spherical disks; two gearboxes - angular and drive; two support wheels with adjusting devices; two driveshafts and a hitch system.

The main disadvantages of OVPP-2,4 is that:

1. The relatively high cost of the two support wheels due to the use of expensive bearings in them.

2. Due to the relatively small area of contact with the soil, the support wheel is buried by at least 2 ... 3 cm, or even more, which contributes to soil compaction, creates resistance to rolling of the support wheel and increases the tractor traction.

3. Due to the vertical position of the drive gear on the load-bearing beam:

- increased shoulder location of the center of gravity of the gearbox;

- increased consumption of gear oil poured into the gearbox.

The purpose of the invention:

1. Reduce the shoulder of the center of gravity of the cylindrical gearbox.

2. Reduce the amount of gear oil poured into the spur gearbox.

3. Reduce the cost of the rotary plow.

4. Reduce the specific pressure on the soil.

This goal is achieved by the fact that on both sides of the hinge plate there are two trapezoidal copy shoes mounted pivotally on an arm mounted also pivotally on the front of the frame and having a mechanism for adjusting the position of the copy shoe in height, while the cylindrical gear is angled forward along the direction of the angle a = 45 °.

The supporting surface of the copy shoe has an antifriction coating.

Thus, the inventive rotary plow meets the criterion of "Novelty."

Signs that distinguish the claimed technical solution from the prototype, in other technical solutions in this area are not identified, which allows us to conclude that the inventive rotary plow meets the criterion of "significant differences".

In FIG. 1 shows a rotary plow, top view: in FIG. 2 is a view A of FIG. one.

The rotary plow (Fig. 1) contains a linkage 1, frame 2, on which the working section 3 with spherical cut-out discs 4 is mounted, driven from the tractor power take-off shaft 5 (PTO) through a cardan gear 6, a bevel gear 7, a cardan gear 8 and a cylindrical gear 9. On both sides of the hinge 1, two trapezoidal copy shoes 10 are mounted pivotally mounted on an arm 11, also mounted pivotally on the front of the frame 2 and having a mechanism 12 for adjusting the position of the copy shoe 10 in height (Fig. 2), while esky reducer 9 is tilted forward in the direction of travel at an angle a = 45 °.

The supporting surface 13 of the copy shoe 10 has an antifriction coating.

Before starting the work of the rotary plow, the plowing depth H is set (Fig. 2) using trapezoidal copying shoes 10 mounted on both sides of the hinge 1, pivotally mounted on the bracket 11, also mounted pivotally on the front of the frame 2 and having a mechanism for adjusting the position of the copying shoe 12 10 in height.

When rotating the power take-off shaft 5 (PTO) of the tractor (Fig. 1), the working section 3 is rotated with spherical cut-out disks 4 through a cardan gear 6, a bevel gear 7, a cardan gear 8 and a cylindrical gear 9.

When the tractor moves, the working section 3 with spherical cut-out discs 4 is immersed in the soil to a depth H, set using the mechanism 12 for adjusting the position of the copy shoe 10 (Fig. 2), cuts the soil layer, produces an incomplete revolution and crushing of the layer.

The presence on the supporting surface 13 of the copy shoes 10 of the antifriction coating contributes to a better sliding of the copy shoes 10 across the field.

The installation on both sides of the hinge of trapezoidal copy shoes instead of the support wheels allows:

1. reduce the specific pressure on the soil by increasing the area of contact with the soil;

2. reduce the cost of the rotary plow by eliminating expensive bearings.

The tilt of the helical gear forward along the direction of the angle a = 45 ° allows you to:

reduce the shoulder of the location of the center of gravity of the cylindrical gearbox, which contributes to the compactness of the unit;

reduce the amount of gear oil poured into the spur gearbox.

Claims (2)

1. A rotary plow containing a hitch, a frame on which a working section with spherical cut-out disks is mounted, driven from the tractor power take-off shaft through a cardan gear, a bevel gear, a cardan gear and a cylindrical gear, characterized in that there are two copy drives on both sides of the hitch a trapezoidal shoe pivotally mounted on an arm mounted also pivotally on the front of the frame and having a mechanism for adjusting the position of the copy shoe in height, while the cylindrical red Ktorov tilted forward in the direction of travel at an angle a = 45 °. 2. The rotary plow according to claim 1, characterized in that the supporting surface of the copy shoe has an antifriction coating.

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