SU1683535A1 - Bulk material spreading machine - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to agricultural machinery. The goal is to obtain the required uniform distribution of bulk materials on the surface. The machine contains mounted on the chassis 1 of the body 2 with the metering valve 3, feeding the bar conveyor 4, and under the upper branch of the conveyor is a table 5 with a window 6. The wall of which has a wave-like shape. The metering valve has several independently adjustable sections. Above the table 5 along its entire length, up to the window, flow dividers 7 are installed in the form of parallel vertical plates forming separate

Description

The invention relates to agricultural machinery, in particular to machines for the surface application of solid mineral fertilizers.

The purpose of the invention is to obtain the desired uniformity of the distribution of bulk material over the surface by adjusting the amount of material in each tray and setting the optimum feed area of the material from each tray to the centrifugal disks.

FIG. 1 shows a machine for sifting bulk materials; general view; in fig. 2 - the same, top view; in fig. 3 - the same. back view; in fig. 4 is a diagram of forming a pattern of the distribution of bulk material over the surface.

The machine for sifting loose materials contains a body 2 mounted on chassis 1 with a metering valve 3, a feed bar 4, a table 5 g, window 6, the wall of which has a wave-like shape is located under the upper branch of the conveyor. The metering valve 3 has several independently adjustable sections. Above the table 5 along its entire length, up to the window, flow dividers 7 are installed in the form of parallel vertical plates that form separate material feed channels. Between the table and the lower branch of the conveyor 4, a stabilizer 8 of fertilizer flows is installed in the form of a curved plate describing a wave-shaped wall 6. In the lower part, an elastic element 9 is attached to the stabilizer. Under the conveyor 4 between the stabilizer 8 of flows and the centrifugal disks 10 there is a taper guide in the form of a set tapering the bottom of the trays 11, pivotally mounted on a common axis 12c, with the possibility of changing the angle of inclination of each tray separately. The trays are of telescopically varying length. Above the centrifugal disks 1C there are placed reflectors 13 with a cutout covered with plates 14, which are installed with the possibility of adjusting the installation height above the edges of the blades of 15 centrifugal disks.

The system works as follows.

During the operation of the machine, the bulk material is carried out from the body 2 on the bottom 5 of the upper branch of the conveyor 4 in several different doses according to the dose, divided by dividers 7. The amount of material in

each flow is established by the dampers 3 when setting up the machine to introduce a particular type of bulk material. When a bulk material approaches the windows 6, particles in several streams come together without

pulsations to the stabilizer 8 streams, which directs each stream to the corresponding tray 11 of the guide tube. Pieces of material dropped onto the rods of the lower branch of the conveyor are dropped.

an elastic stabilizer element 9 on trays, along which they move together with other particles, tapering downwards, into predetermined zones of centrifugal disks 10. The optimal scheme for feeding bulk material to centrifugal disks is established by changing the length and turning each tray 11 of the tukonoraplitel. around the axis 12 to a specific zone on the disk 10 when setting up the machine on the adjustment platform. After the particles come into contact with the rotating blades of 15 centrifugal disks 10, some of them bounce upwards from the blades and returned by the reflectors 13 mounted above

blades 15 at a distance of 10-15 mm in a given zone of centrifugal disks. To prevent gushing of particles, the cuts in the reflectors are covered with adjustable plates 14. When the machine is running to introduce bulk material, each flow forms a sieve fan on the surface in the form of lobe zones. The shape and orientation of the sieving petals depends on where the flow is fed to the centrifugal disk. Adjustable

the length and the hinged trays allow, changing the place where the material is fed to the disc, to change the orientation of the sieve fan petals within wide limits.

Sections of the metering valve can vary the total amount of material in the sieving fan, and also distribute the material between the feed channels in the proper ratio.

In order to form the required uniformity of distribution of the bulk material over the surface, it is necessary by adjusting to select the arrangement of the petals of the fan sifting through the channels and the amount of material in them in accordance with the specified parameters.

Claims (1)

Invention Formula A bulk material screening machine comprising a body with a metering damper, a feed bar conveyor, a conveyor table with a window, the wall of which has a wave shape, a flow stabilizer in the form of a corrugated plate with an elastic flap, convex tapering downwardly downward trays, centrifugal discs and mounted with reflectors with cuts, characterized in that, in order to achieve the desired desired uniformity of the distribution of bulk materials on the surface by adjusting to the amount of material supplied by each tray and the setting of the optimum material feed zone from each tray to the centrifugal disk; the flap is designed as sections independently adjustable in height; sections between the sections along the entire length of the table are flow dividers in the form of vertical parallel plates, tukonopravtel trays mounted pivotally on a common axis with the possibility of changing the angle of inclination of each tray separately and made telescopic, and the reflectors are equipped with movable plates placed along the cutouts with the ability to adjust the configuration of the cut. / / Beer Width laxStfma, m Center of the machine