SU1618300A1 - Device for seeding agricultural crops - Google Patents

Abstract

The invention relates to agricultural machinery, in particular to devices for tillage, fertilization and sowing of seeds mainly on the slopes without pre-treatment, which can be used in combined agricultural machines. The purpose of the invention is to increase the stability of the device when working on slopes. The device contains a grill on which a ripper 3 with a pipeline 4 with vertical knives 5 and a vomer 6 mounted on both sides are rigidly fixed to a flat-cutting foot 7, to which symmetrically its wings are attached a pair of vertical knives 8 with trailers 9. When the ripper 3 moves, it cuts the soil layer, where fertilizer is applied along the pipeline 4, the coulter then compresses the soil above them, and the seeds are sown on the compacted bed. When the coulter 6 deviates down the slope, away from the movement of the tractor, the lateral faces of the knives 5 and 8 are pressed into the walls of the vertical slots and thus prevent the device from sliding down the slope. 3 il.

Description

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The invention relates to an agricultural technique, in particular to devices for. tillage, fertilization and seeding, mainly on slopes, without pre-treatment, which can be used in combined agricultural machines.

The purpose of the invention is to increase the stability of the device when working on slopes.

FIG. 1 shows a device for planting agricultural crops, side view; Fig, 2 is the same, top view; FIG. 3 is a diagram of force vectors explaining the stability of the device when operating on slopes.

The device contains grill 1, on which tillage units are installed at both its ends — front I and rear P. The front soil-cultivating node I includes a stand 2, on which the ripper 3 is fixed and on the passive side its tukopod 4. On both sides of the stand two vertical knives 5. The rear soil-cultivating unit II contains a cross-shaped coulter 6 rigidly connected to an arrow-shaped flat-cutting paw 7, to which a pair of vertical knives 8 are attached symmetrically to its wings 8. To the free ends of the knives 8 with the help of bolted joints, zagorachas 9 are attached. Knives 5 and 8, in order to achieve stability on the slopes, are installed so that their lower edges are in the same horizontal plane.

The device works as follows.

When moving, the device cuts a layer of soil in a vertical plane by the ripper 3 and locally introduces mineral fertilizer to the required depth. The frost-shaped coulter compresses the soil loosened by the ripper 3 and thereby prepares the seedbed on which the seeds are sown. The strelchat paw 7 cuts the soil layer in the horizontal plane to the depth of seeding, which is 3-4 cm less than the seeding depth in worn fertilizers, which guarantees the absence of direct contact of the seeds with mineral fertilizers and thus the absence of a chemical burn of seeds. Placing on the free ends of the rear vertical knives with bolt joints

9 provides high-quality seed placement with loosened soil. When sowing crops to a depth of more than 8 cm, zagortachs 9 are removed. Bottom edges of vertical knives

5 and 8 are located in the same horizontal plane, depending on the grain size distribution of the soil. Their installation relative to the ripper can vary depending on the grain size distribution of the soil. Knives 5 and 8 cut in a vertical plane the soil untouched by processing on the set Depth. When the rear tillage unit is deflected down the slope, away from the direction of movement of the tractor, the side edges of the blades 5 and 8 are pressed into the hard, untreated soil of the walls of the vertical slots and thus prevent the device from sliding down the slope. the force FI is directed to rotate the device around the center of rotation, more precisely, the connection with the frame of the cutting frame, force FI, causing the knives 5 to be pressed in and out. 8 in vertical walls

slots, causes a counter force that is equal to the sum of F 2 + F 2 and returns the device to the outcomes position. There is a moment of force M F21 (. Relative to the longitudinal axis of movement of the device, where

I is the length of the grating 1. Due to this, a steady movement of the device across the slope is achieved, and hence a strict movement of the opener in the zone of influence of the ripper 3, which prevents movement in untreated soil. In addition, the steady movement of the device across the slope allows for quality sowing with maintaining equal distances between rows, which makes it possible to take care of row crops and harvest when the rows are directed across the slope.

Claims (1)

The invention The device for sowing agricultural crops, containing a cultivator, a briar for sowing seeds, rigidly fixed at the ends of the crop, with the aim of increasing the stability of the device during operation on the slopes, the ripper and the opener are equipped with vertical blades mounted on their lateral sides, with the lower edges of the blades located in the same horizontal plane. / If, I Fi Fig.Z 2 /  x