SU1508976A1 - Terrace ripper - Google Patents

Abstract

The invention relates to agricultural machinery, in particular, to tools for loosening terraces and slopes. The purpose of the invention is to increase the stability of the ripper movement, regardless of the physical and mechanical composition of the soil and the steepness of the slopes. The ripper contains a central 1 and lateral 2 and 3 working bodies. Racks of lateral working bodies 2 and 3 are made in the form of vertically arranged hydraulic cylinders 4. The ripper has crank mechanisms, cranks 7 and 9 of which are connected to the ripper frame, and connecting rods 6 and 8, respectively, with racks of central 1 and lateral 2 and 3 working bodies. The cranks 7 and 9 are interconnected by means of horizontal hydraulic cylinders 10 and 11, the cavities of which are hydraulically connected to the cavities of the hydraulic cylinders 4. The connecting rods 8 are connected to the legs of the working bodies 2, 3 through sliders 12. When the slope and physical-mechanical the soil composition during loosening the working bodies 1-3 are automatically installed in the transverse direction, which increases the stability of the ripper movement. 1 il.

Description

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The invention relates to agricultural machinery, in particular to tools for loosening terraces and slopes.

The purpose of the invention is to increase the stability of the ripper, regardless of the steepness of the slope and the physical and mechanical composition of the soil.

The drawing shows a kinematic diagram of a ripper.

The terrace cultivator contains an irrigation system. frame with support wheels, central 1 and lateral 2 and 3 working bodies. The struts of the lateral working bodies are made in the form of hydraulic cylinders 4 arranged in vertical planes. The stand 5 of the central working body is connected through the connecting rod 6 and crank 7 to the frame. Similarly, through the connecting rods 8 and the cranks 9 are connected with the frame and racks of the side working members. The cranks 9 of the lateral operating members are connected to the crank 7 of the central operating member through hydraulic cylinders 10 and 11, which are located in horizontal planes. The piston cavities of the hydraulic cylinders 10 and 11 are hydraulically connected to the rod cavities of the hydraulic cylinders 4, the piston cavities of which are hydraulically connected to the rod cavities of the corresponding hydraulic cylinders 10 and 11. The connecting rods 8 are connected to the posts of the working bodies 2 and 3 through sliders 12 and 12. .

The ripper works as follows.

When the top of the slope or the excavation slope of the terrace is located to the left of the direction of travel of the cultivator, the tractor driver activates the hydraulic cylinders 4, 10 and 11, thereby increasing the depth of treatment by the end working member 2, and the end working member 3 is reduced. Accordingly, the kinematic length of the hydraulic cylinder 10 is increased and the hydraulic cylinders 11 are reduced. During operation, the force of resistance to the working member 2 increases and decreases to the working member 3. As a result, there is a moment that tends to turn the crank-connecting rod fur

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Pismas in the direction of the less buried extreme working body 3, in direction A. After turning, the magnitude of the shoulder force on the working body 2 relative to the center of rotation decreases, and to the central working body and working body 3 increases, respectively, the moments of resistance forces on these working bodies change . The rotation of the crank mechanism takes place as long as the moment of resistance force on the working body 2 and the sum of the moments of resistance forces on the working bodies 1 and 3 are balanced, which ensures steady movement of the ripper regardless of the physical and mechanical composition of the steepness of the slope.

Claims (1)

Invention Formula The terrace cultivator containing a frame with support wheels, a hydraulic system, central and lateral working members, the struts of the latter are made in the form of hydraulic cylinders located in vertical planes, and the stand of the central operating element is connected to a crank mounted on the frame and connected to a horizontal one the plane of the cylinder, the cavities of which are hydraulically connected with the cavities of one of the cylinders of the lateral working bodies, characterized in that, in order to increase the stability of the movement, He ate independently of the steepness of the slope and the physico-mechanical composition of the soil, it is equipped with additional crank and connecting rod mechanisms, the cranks of which are connected to the frame similarly to the main crank, and the connecting rods are connected to the uprights of the lateral working bodies by means of sliders; in the horizontal plane by the hydraulic cylinder, the cavity which are hydraulically connected to the cavities of the hydraulic cylinder of the second lateral working body, while both horizontally located hydraulic cylinders are connected respectively with the main crank and additional crankshaft.