SU438375A1 - DEVICE FOR CONNECTING SELF-PROPELLED CHASSIS WITH AN INSTRUMENT - Google Patents

Description

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FIELD OF THE INVENTION The invention relates to agricultural machinery, namely, devices for connecting tools with self-propelled chassis.

Devices for self-propelled chassis with agricultural implements are known, comprising, on the chassis housing, a lifting hydraulic cylinder connected kinematically to the upper and lower longitudinal links of the linkage hinged to the implement frame.

A disadvantage of the known devices is that they do not provide an automatic combination of the resistive force of the tool located in the longitudinal-vertical plane with the traction force of the self-propelled chassis, since the lower longitudinal arms are attached to the tool frame at one point. This eliminates the possibility of a vertical displacement of the rear ends of the lower longitudinal rims relative to the frame of the gun.

Practically, due to the unevenness of the density of the soil, in different parts of the field, the magnitude and direction of the resultant force of resistance of the tool constantly changes its size and direction.

The discrepancy between the directional force of the tool resistance and the pulling force of the self-propelled chassis directed along the lower longitudinal bars of the hitch mechanism implies the occurrence of a torque acting on the gun relative to the points of the latter's connection with the lower longitudinal bars, resulting in deterioration of the uniformity of the gun in depth.

The purpose of the invention is to create a device for connecting a self-propelled chassis with a gun, providing automatic alignment.

the resistance forces of the gun with the power of a self-propelled chassis.

This is achieved by the fact that in the proposed device on the frame of the gun there are grooves in which the hinges are movably mounted

for fastening the lower longitudinal traction g of the hitch mechanism.

The drawing schematically shows the proposed device. It consists of a frame 1 gun, on which

grooves 2 are made for mobile fastening in them of hinges 3 of the lower longitudinal t 4 of the attachment mechanism of the self-propelled chassis, kinematically connected with the hydraulic cylinder 5 and the stand 6 of the gun with the upper thrust 7.

The proposed device works as follows.

In the process of operation, the hydraulic cylinder lifting the hitch mechanism is included in the “floating” position. Due to the heterogeneity of the pesy

the resistance of the workers is constantly changing

bodies 8 guns. This accordingly entails a change in the direction of the resultant force of resistance of the cannon as a whole, corresponding, for example, to the direction of the dash-dotted lines in the drawing.

The groove 2 on the frame of the gun and the movable connection with it of the hinges of attachment of the lower longitudinal traction rails provide at each individual moment the combination of the traction force of the self-propelled chassis with the direction of the resultant resistance force of the gun and thereby a uniform course of the gun. The process of combining forces occurs due to the displacement of the hinges 3 of the lower longitudinal rims relative to the slot of the 2 guns.

Subject invention

A device for connecting a self-propelled chassis with a tool containing a lift cylinder mounted on the body of the chassis, kinematically associated with the upper and longitudinal legs of the hinge mechanism, hinged to the gun frame, characterized in that, in order to automatically combine the resultant resistance force of the gun, located in a longitudinal-vertical plane, with a power of a self-propelled chassis gi; on the frame of the gun there are grooves in which movable hinges are mounted for fastening lower cranes.