SU967369A1 - Reaper - Google Patents

Description

(54) HEADER

one

FIELD OF THE INVENTION The invention relates to agricultural machinery, mainly to grass seed testers.

A header, comprising a reel mounted on a frame, a cutting apparatus, a transverse reversing conveyor, longitudinal separating chain-slat conveyors with trays located between their branches and a pneumatic conveying system with inlet slots 1 are known.

However, the seeds are fed to the chute of the pneumatic conveying device by means of feeding elements moving along the bottom of the tray as the conveyor moves. At the same time, due to the high translational speed of movement of the feeding elements, which is equal to the translational speed of movement of the chain-slat conveyors, a part of the seeds, stuck to the brushes, do not have time to fall to the chute of the pneumatic conveying device and remain not caught, which leads to the loss of seeds behind the header . An increase in the width of the receiving trough leads to an increase in the flow rate of the suction air flow, which is undesirable, and a decrease in the speed of movement of the separating chain-plate conveyors leads to the disruption of the roll forming process. In addition, installation at the bottom of the gutter trays leads to an increase in the height of the separating chain-slaty transporter, which limits the minimum cutting height of the header, and the installation of feeding elements on the conveyor slats complicates the design of the separating slider-slat conveyors.

The aim of the invention is to simplify

10 designs and reduction of losses of seeds.

This goal is achieved by the fact that each tray is fixed to the header frame of the cantilever, with its rear end located below the front one and having a guide surface for supplying seeds to the inlet slot of the pneumotransport system.

And the working surface of the tray has an anti-friction coating.

FIG. 1 shows a header with a partial cut-out, top view; in fig. 2 is a view A of FIG. one.

The harvester contains a transverse reversing conveyor 1, a reel 2, a cutting unit 3, separating chain-slat conveyors 4 and 5 with trays 6, a fan 7, a cyclone 8 and air ducts 9. Trays 6 separating chain-slat conveyors are installed with a slope relative to the frame 10 of conveyors 4 and 5 towards the unloading of seeds and secured to the frame 10 in a cantilever in the restraints 11, ensuring through the etogibration of the tray 6 relative to the frame 10 of the conveyors 4 and 5. The trays 6 are provided with guides 12 converging to the slot 13, in them the bottom of the trays 6 covered material 14 with a low coefficient of friction slip, such as foil. An automatic regulator 15 serves to switch the intake air flow from one tray to another.

Reaper works as follows.

The harvesting unit is driven in a driven way. During the first passage of the aggregate, the plants are mown and fed to the transverse reversing conveyor 1, and then to the longitudinal separating chain-slat conveyor 4 and placed in rolls with it. At the same time, the seeds of plants threshed under the influence of the reel 2, the cutting apparatus 3 and the reversing conveyor 1 are separated on a chain-slat conveyor 4 and enter the tray 6. Then the seed particles begin to move along the slope at a given speed, and the movement of the tray contributes to their movement which are transmitted by the dynamic load of the header through the frame 10, the plant seeds move along the guide 12 converging to the slot 13, and communicate with the suction zone of the air flow of the duct 9. Wherefrom the seeds transport They are driven by the air flow created by the fan 7 through the air ducts 9 into the cyclone 8.

During the second pass of the unit across the field, the reversing conveyor 1 is moved to the left, and the longitudinal separating chain-slat conveyor 5 with tray 6 is set in place of the right ejection port of the header. While the second separating chain-slaty conveyor 4 with tray 6,

moving backward relative to the header frame, overlaps the suction side of the air flow of the air duct 9 with the side of the tray 6, automatically switching the controller 15. The automatic switching of the regulator 15 changes the direction of the entire air flow to the slot 13 of the tray 6 of the right separating chain-slider conveyor 5 The seeds are unloaded from tray 6 and transported as they were during the first pass.

The application of the invention allows to reduce losses during the mechanization of unloading seeds from the trays of separating chain-slaty conveyors, as well as to reduce the air flow required for the pneumatic conveying system, and to simplify the design of the separation conveyors, which will increase the reliability of their work.

Claims (2)

1. Reaper, containing reel mounted on the frame, cutting unit, transverse reversing conveyor, longitudinal Separating chain-slat conveyors with trays located between their branches and a pneumatic conveying system with inlet slots, characterized in that, in order to simplify the design and reduce seed losses, each tray is fixed to the header frame of the header, with its rear end located below front and has a guide surface for supplying seeds to the inlet slot of the pneumotransport system. 2. Reaper according to claim 1, characterized in that the working surface of the tray has an anti-friction coating. Sources of information taken into account in the examination 1. USSR author's certificate in application No. 2896365 / 30-15 (039756), cl. A 01 D 75/00, 1980. Szl / / 3 / 2 / city / YU VidD //