Vertical lifting system for use in farming machines

Abstract

A vertical lifting system for use in farming machines and tools that is formed by a wheel set support arm (01) connected to an articulation support (02) using the pin (04), the articulation support (02) being connected to the wheel hub (05), which is in turn connected to the wheel rim (06). To move the assembly, a hydraulic actuator (07) is connected by the pin (08) to the wheel set support arm (01) and to the articulation support (02) by the pin (09). The height adjustment is provided by the actuator (07), and the mechanism, once actuated, travels around the inside of the wheel rim (06), remaining inside same, and protected in both height adjustment positions of the tool.

Claims

1. A vertical lifting system for use in farming machines characterized by comprising a wheel set support arm (01), connected to an articulation support (02) through a first pin (04), wherein said articulation support (02) is attached to a wheel hub (05), which is attached to a wheel rim (06), and a hydraulic actuator (07) is connected by a second pin (09) to the wheel set support arm (01) and by a third pin (08) to the articulation support (02), wherein the hydraulic actuator (07) travels along an inner part of the wheel rim (06) remaining inside of it.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The present invention will be described in respect to the accompanying drawings, set forth only as an example of one but not only possible embodiment of the principles of the invention, in which:

(2) FIG. 1 represents a perspective view of the lifting system, associated with an axis cover, when the hydraulic actuator is closed;

(3) FIG. 2 represents a lateral view of the lifting system, when the hydraulic actuator is closed;

(4) FIG. 3 represents a lateral view of the lifting system, when the hydraulic actuator is opened, in a maximum height adjustment;

(5) FIG. 4 represents a front view of the lifting system, when the hydraulic actuator is closed;

(6) FIG. 5 represents a exploded perspective view of the lifting system;

(7) FIG. 6 represents a front view of the lifting system, with its parts separated;

(8) FIG. 7 represents a front view of the lifting system adjusted to a minimum height;

(9) FIG. 8 represents a front view of the lifting system adjusted to a maximum height.

DETAILED DESCRIPTION OF INVENTION

(10) The present invention relates to a lifting system for use in agricultural machines comprising a wheel set support arm (01), which is connected to an articulation support (02), through a first pin (04). The articulation support (02) is in turn attached to the wheel hub (05), which is attached to the wheel rim (06). To move the assembly, a hydraulic actuator (07) is connected by a second pin (08) to the wheel set support arm (01) and to the articulation support (02) by a third pin (09). The height adjustment is provided by the actuator (07), such that when the mechanism is actuated, it travels along the inner part of the wheel rim (06), remaining protected inside of it, in both height adjustment positions of the machine or tool. The wheel set support arm (01) is fixed to the axis cover (03).

(11) As can be seen in FIGS. 2 and 3, the constructive geometry of the system causes the center of the rotational axis of the wheel set not varying from the minimum height to the maximum height, keeping it coincident with the center of the wheel. In the same way, as can be seen in FIGS. 7 and 8, the system does not change the gauge between the wheels, i.e., the change of the height adjustment of the wheel set does not interfere with the adjustment of the specified gauge.

(12) It is obvious for a person skilled in the art that a plurality of modifications, alterations and variations may be performed without departing from the scope of the present invention and that the description and drawings presented are only examples of one possible embodiment of the invention and non-limitative of the protection as claimed.

(13) The present specification report refers to an invention involving industrial application, novelty and inventive step, which complies with all legal requirements for the claimed patent.