SU1575985A1 - Method and apparatus for vibration multirow distribution of seeds - Google Patents

Abstract

The invention relates to agricultural machinery and can be used in devices for measuring, row sowing of seeds of various crops in greenhouses. The purpose of the invention is to improve the uniformity of the distribution of seeds. The device comprises a hopper 1, a platform 2, an electric vibrator 3, channels 4 in the platform, sem wires 5. Channels 4 are connected by through holes with sem wires 5. To form equal flows, the base of the platform 5 under the bunker has sides and a front transverse plate that forms channels in their cross-section calibrating holes. In order to ensure uniform, normalized seeding, depending on the speed of movement of the apparatus, the device is equipped with an automatic vibration frequency control circuit. Seeds from the bunker fall into channels 4 of the platform 2, covered by the sides and the front plate. Under the action of vibration from the vibrator 3, seed flows are transported through the calibrating holes through channels 4, and after passing through holes, wires 5 get into this and then sown in rows in the soil. Depending on the speed of the unit, the consumption of seeds is regulated by an automatic control system. 2 s. And 1 s. P. f-ly, 3 ill.

Description

various crops in greenhouses. The purpose of the invention is to improve the uniformity of the distribution of seeds. The device contains a hopper 1, a platform 2, an electric vibrator 3 channels k in the platform, sem wires 5. The channels are communicated through holes with the seven wires 5. To form equal flows, the base of the platform under the bunker has sides and a front transverse plate that forms cross-section calibrating holes. To ensure uniform normalized drooping depending on the speed of movement

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The device is equipped with an automatic vibration frequency control circuit. Seeds from the hopper 1 fall and the channels of the platform 2, closed sides and the front transverse plate. Under the action of vibration from the aibrator 3, the seed flows are transported through the calibrating holes through channels k and, having passed through holes, enter the seed conduits 5 and then sow in rows in the soil. Depending on the speed of the unit, the consumption of seeds is regulated by an automatic control system. 2 sec. and 1 z.p, f-ly, 3 ill.

The invention relates to agricultural machinery industry and can be implemented in devices for the dimensional seed sowing of seeds of various crops in greenhouses.

The purpose of the invention is to improve the uniformity of the distribution of seeds.

FIG. 1 shows the device, a general view; in fig. 2 - node of the multiple seed distribution; in fig. 3 is a block diagram of a device with correction nodes.

The device for vibratory multi-distribution of seeds contains a hopper 1, a platform 2 connected to an electric vibrator 3 and having channels k made on the upper surface for directing this flow to this wire 5.

The channels 4 in the bases have through holes 6 for the free flow of seeds into the wires 5.

In order to form equal flows of seeds in channels 4 (in the intake portions of them), the base of the platform 2 under the bunker (along the contour) has sides 7 and a transverse plate 8} which form the accumulator-distributor, which guarantees an equal amount of seeds in the intake part of all kanals 4 platforms 2. The cross plate 8 with its lower end closes the open profiles of the channels k, forming gauge holes 9 which equalize the number of seeds in each stream.

The transverse plate 8 is fastened in the form of a comb, the tongues of which are arranged in increments that are multiples of the channels, the plate 10 s trans.

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covering part of the channels to provide the required width between rows when sowing seeds.

In order to eliminate the oscillations introduced by the moving seeding machine, platform 2 is installed with a gap relative to the hopper 1, and this wire 5 is relative to platform 2.

In order to ensure uniform normalized seed seedling over the entire sown area, regardless of the change in the speed of the apparatus, an automatic control circuit (Fig. 3) was developed, including successively connected electromagnetic sensor (D), analog-to-digital converter (ADC), and voltage corrector ( K) and power supply unit (PSU).

The method of vibrational myogorodal distribution of seeds is carried out as follows.

After loading the bunker 1 with seeds, the latter are poured into the seven drive accumulator ™ dispenser, evenly filling the intake parts of all channels 4 of platform 2 in its zone. After voltage is applied to the vibrator 3, the seeds move in equal density and flow to the other end of the wire, mine calibrating holes 9, which align the number of seeds in each stream.

Through the holes 6 at the end of each channel 4, the seeds enter the wires 5 and further into the openers, after which they are sown in the soil.

Due to the feedback, the speed of movement of the sowing unit

Buildings - the frequency of vibration is achieved by the ability to automatically change the speed by moving n along this wire, and consequently, the change in the number of sown seeds, depending on the speed of movement of the agricultural machine itself. This is achieved by the fact that the sensor mounted on the wheel of the sowing device, reacting to the speed of rotation of the wheel, sends out the corresponding pulses to the equalizer and the latter automatically increases or decreases the voltage supplying the vibrator 3, i.e. with an increase in the speed of the seeding machine, the voltage increases and, accordingly, the rate of progress of the seeds along the seed wire and, consequently, their seeding rate increases.

When the speed of an aggregate decreases (for example, on heavy soils, at the initial and final moments of movement), an adequate reduction of vibration is carried out.

The introduction of a vibration control scheme allows, depending on the speed of movement of the argate, to produce uniform and accurate seeding with automatic correction of the step and seeding rate.

Initially, the nominal supply voltage of the vibrator 3 is set with a corrector, taking into account the type of seeds and the seeding rate, and later, in accordance with the speed of movement, the circuit automatically adjusts the vibration mode and seeding frequency.

Claims (2)

1. The method of vibratory multi-distribution of seeds, including the supply of seeds from the bunker to the zone of their distribution, the distribution of seeds 0 five 0 five 0 five 0 five parallel streams, metering of the number of seeds and streams and transportation of vibration oscillations on them, characterized in that, in order to increase the uniformity of seed distribution, the streams at the exit of the distribution zone are passed through calibration holes with the same cross-sectional area, the dosing of the number of seeds in the streams is made by changing the frequency of the oscillations. 2. A device for vibratory multi-distribution of seeds, containing a hopper, a seed dispenser with a vibration drive and parallel longitudinal channels horizontally located below it with a gap, the ends of which are connected to these wires, a seed meter in channels that are In order to improve the uniformity of the distribution of seeds, the seed distributor is made in the form of a rectangular platform, having side and rear sides in the area under the bunker, channels are made in the platform, while their length is less than the length of the platform and it Sem communicated with through conductors formed in the through holes of the end platforms, the seed metering device is in the form attached to the lateral sides of the transverse plate, the lower end of which is located on the upper surface of the platform with channels overlap to form the walls and the bottom of the last gauging holes. 2 The device according to claim 2, characterized in that the through holes are inclined towards the end of the platform, the axis of each hole being inclined at an angle of 130-150 ° to the longitudinal axis of the channel. ten