RU2284091C1 - Spiral sweeping roller - Google Patents

Abstract

FIELD: agricultural engineering, in particular, surface tillage equipment.

SUBSTANCE: sweeping roller has levers and spiral with wedge-shaped working surface. Spiral coils are made of left-handed and right-handed coiling. Roller is equipped with drum mounted on split axles by means of bearings and silent blocks rigidly secured on levers. Spiral is mounted on drum by means of spokes. Spiral coils are inclined toward longitudinal and transverse planes extending through axis of rotation of drum. Wedge-shaped working surface of spiral has faces, ribs and teeth. Acute end of each tooth is oriented in direction coinciding with direction of rotation of roller.

EFFECT: enhanced reliability in operation and improved tillage quality owing to improved crumbling of soil by means of ribs, faces and teeth and also owing to combing out of weeds.

2 dwg

Description

The invention relates to agricultural machinery, is intended for pre-sowing tillage and can be used in tillage machines and implements.

Known rollers for rolling soil, made in the form of disks with spurs (RU 2145158 C1, A 01 B 29/04, 02/10/2002, DE 3229232, A 01 B 29/04, 1984).

A disadvantage of the known rollers is insufficient soil leveling, clod crushing, large metal consumption and soil sticking.

The closest analogue is a spiral loopback roller, comprising levers, a spiral having a wedge-shaped working surface, the turns of which are made with left and right winding (GB 2228851 A, A 01 B 29/04, 09/12/1990).

A disadvantage of the known skating rink is the unreliability of the technological process, the possibility of jamming of plant debris and soil lumps between the turns of the spiral, poor-quality crumbling of soil lumps.

The technical result is an increase in technological reliability while improving the quality of tillage.

This is achieved by the fact that the known loop-roller is spiral, including levers, a spiral having a wedge-shaped working surface, the turns of which are made with left and right windings, is equipped with a drum that is mounted on the axle shafts by means of bearings and silent blocks, and the latter are rigidly fixed on the levers, the spiral is mounted on the drum by means of knitting needles, and the turns of the spiral are inclined to the longitudinal and transverse planes passing through the axis of rotation of the spiral, and the wedge-shaped working surface has faces, ribs and slaughter, with the tip of each tooth facing the rotation of the rink.

In Fig.1 shows a loop-roller spiral assembly (side view);

figure 2 shows the installation of a loop-roller spiral on the frame.

The roller consists of a spiral with a wedge-shaped working surface 1, fixed with needles (by welding or in another way) to the drum 2, which is mounted on the axles 3 by means of bearings 4 and silent blocks 5. Silent blocks 5 are rigidly connected to the levers 6. Silent blocks 5, bearings 4 are mounted on half shafts 3 through washers 7, 8 with nuts 9, 10. The turns of the spiral are made with left and right windings and are inclined to the longitudinal and transverse planes passing through the axis of rotation of the drum. The spiral turns are made with a step t not exceeding the diameter of the roller, which ensures the technological and constructive reliability of its operation. The roller can be attached to the towing vehicle and deploy it, if necessary, 180 degrees. The wedge-shaped working surface 1 of the spiral has faces, ribs and teeth, with the tip of each tooth facing the direction of rotation of the roller. The skating rink can be made from rolled metal, which leads to a reduction in weight and labor costs for the production of the skating rink, and its suspension through silent blocks reduces axial and radial loads on the bearings.

The loopback roller spiral works as follows.

The spiral looper roller is installed at an angle to the direction of movement V. When the roller is moved across the soil, each coil of the spiral with its outer wedge-shaped working surface 1, pressing into the soil, crushes the lumps, shifts the soil from the ridges into grooves (levels the field). At the same time, weeds are combed out and thrown out onto the soil surface. A mulching layer forms on the surface of the soil. The continuous wedge-shaped working surface of 1 roller is self-cleaning from the soil during operation.

This design of the looper increases its technological and structural reliability.

Claims (1)

A loop-roller is spiral, comprising levers, a spiral having a wedge-shaped working surface, the turns of which are made with left and right windings, characterized in that it is equipped with a drum that is mounted on the axle shafts by means of bearings and silent blocks, and the latter are rigidly fixed on the levers, while the spiral is mounted on the drum by means of knitting needles, and the turns of the spiral are inclined to the longitudinal and transverse planes passing through the axis of rotation of the drum, and the wedge-shaped working surface of the spiral has faces, ribs and edges bia, with the tip of each tooth facing the direction of rotation of the roller.

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