SU1083939A1 - Apparatus for broadcast sowing - Google Patents

Abstract

A SURFACE SOWING DEVICE, including a sowing machine frame, a coulter made in the form of an extruder leg with a hollow stand and equipped with an active seed distributor installed under the stand, and a distributor drive shaft, characterized in that, in order to improve the uniformity of seed distribution, it equipped with a two-armed lever mounted on the sowing machine frame, and the distributor actuator shaft is made of two parts hinged between each other, one of the arms of the lever is connected to the lower part of the shaft, and the other It is connected to a hollow post and spring loaded.

Description

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FIG. 1 IA A I U / T / 777 /// /// // The invention relates to agricultural machinery, in particular, to devices for subsoil-spread sowing. Devices are known consisting of a rack-up wire, an extirpating paw and an active distribution device, in which the seeds are distributed by mechanical action, namely by means of a rotating vane-mounted knob mounted on a shaft placed in the cavity of the rack 1. The closest to the technical essence to the invention is a device for scattering, sowing, including a sowing mashine frame, a joint, made in the form of an extruder paw with a hollow stand and equipped with an active seed distributor, installed nnym under the bar and the drive shaft 2. However, the distributor soschniki not provide uniform distribution on the seed coulter width. This is explained by the fact that most of the free-falling seeds fall to the bottom of the furrow, not in contact with the blades of the puck. The seeds that touch the blades, after striking it, make free flight along various trajectories and do not always have time to reach the wings of the paw, as they cover the ground. The speed of flight of seeds can be increased, but only by increasing the number of revolutions of the blade washer, which can lead to fragmentation of the seeds. In addition, the aforementioned colony do not provide the possibility of adjusting the width of the seed spread, which must be adjusted with their seeding rate. This is necessary to achieve a predetermined joint distance between adjacent strips of sown seeds. The aim of the invention is to increase the uniformity of seed distribution. This goal is achieved by the fact that the device is equipped with a double-arm lever mounted on the sowing machine frame, and the distributor drive shaft is made of two parts pivotally interconnected, with one of the arms of the lever connected to the lower part of the shaft and spring-loaded.

FIG. 1 schematically shows the proposed device; in fig. 2 is a view A of FIG. 1 (oscillation circuit of the lower part of the shaft, intermediate position of the washer); in fig. 3 is a view B in FIG. 1 (diagram of the position of the blade shaft with transverse oscillations 5) 1

seeding.

The distribution of the flow of grain coming from the hollow pillar of the companion with a blade washer mounted on an oscillating shaft ensures a more complete utilization of the feeding area, resulting in an increase in the yield of the grain crops. The device comprises a hollow rack-sem wire 1 (Fig. 1), an extirpator paw 2, a cover 3 of the sieving chamber 4. In the seeding chamber 4, under the hollow stand-sem wire there is an active seed distributor, made in the form of a vane 5, mounted on the shaft 6, the wire 1 passing through the rack-sem and connected through the hinge 7 to the drive shaft 8. The shaft 6 through the coupling 9 and the tug 10 (fig. 2) are connected with the shoulder 11 of the two shoulders lever 12 mounted on the pivot bearing 13, and the lever 14 with the pusher 15. The pusher 15 is attached to the rack of this wire and has the ability to move in the guide support 16 The pusher 15 is loaded with a spring 17, squeezing my nut 18. Swivel bearing 13 and guide, and the support 16 is attached to the frame 19 of the seed drill. The paw has a left 20 and right 21 wings. The rack of this wire 1 through the cable 22 is connected to the hinge support 23, which is mounted on the frame 19. The device operates as follows. During the movement of the device, the seeds fall through the hollow rack 1 onto the blade washer 5, which scatters them along the bottom of the furrow. At the same time, as a result of changes in the physicomechanical properties of the soil and the depths of the course, the rack-sem wire. for example, tilted back through the plunger 15, the double-arm lever 12 and the tu pl deflects the shaft b in the left-hand side, when viewed as the coulter moves. In this case, the blade washer is also deflected, ensuring the flow of seeds under the left wing of the paw 20 (Fig. 3). Under the action of the spring 17, the paw 2 returns to its original position, and the shaft 6 with the paddle plate moves to the right initial position. Adjusting nut 18 sets the required angle L (Fig. 3) —the deviations of the shaft 6 from the vertical. Compressing the nut 18, the spring 17 reduces the angle c, .. and loosens the compression of the spring, increases the angle o (.. All this leads to a change in the amplitude of oscillations, which makes it possible to adjust the width of the seed spread depending on the crop and its norm

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Claims (1)

DEVICE FOR SPREADING SOWING, including the frame of the sowing machine, the coulter, made in the form of extirpator paws with a hollow stand and equipped with an active seed distributor installed under the rack, and a drive shaft of the distributor, characterized in that, in order to increase the uniform distribution of seeds, 'it equipped with a two-arm mounted on the frame of the sowing machine, and the distributor drive shaft is made of two parts pivotally connected to each other, while one of the lever arms is connected to the lower part of the shaft, and the other is connected neno with a hollow rack and is spring-loaded. „ _And SU„ „1083939