BRMU8800901U2 - Sugarcane harvester with independent double cutting mechanism and oblique knife - Google Patents

Abstract

SUGAR CANE HARVEST WITH INDEPENDENT DOUBLE CUTTING MECHANISM AND OBLIQUE KNIFE, consists of a harvester (1) capable of making two cut lines (L1 and L2) having a pair of central lollipops (2) flanked by lollipops (3) which together generate two spans (V1 and V2) for capturing the material to be sheared by the slightly displaced cutting discs (4) of the spans (V1 and V2), whose waits (5) follow angled (<244>) oblique with respect to the cutting radius (R) which causes the knives (6) to attack the foot in the area where the fibers (F1) are less thickened, and the roller assisted cutting operation ( 7) vertical with helical tips (7P) and transverse horizontal rollers (8) in a concomitant action, greatly facilitating the operation.

Description

"SUGAR CANE HARVEST WITH INDEPENDENT DOUBLE CUTTING MECHANISM AND OBLIQUE KNIFE"

It addresses the present Utility Model Patent application of a new "SUGAR CANE HARVEST WITH INDEPENDENT DOUBLE CUTTING MECHANISM AND OBLIQUE KNIFE",

especially of a sugarcane harvester that stands out for the harvesting of two sugarcane lines, having for this purpose entrances delimited by extreme lollipops that direct, with the aid of rollers, the sugarcane to the respective independently acting cutting discs, whose knives they have an axis inclined with respect to the cutting radius in order to make the cut from the back to the front, ie in the direction of inclination imposed by the equipment.

Currently sugar cane harvesters work by tattooing two discs that operate interlaced with orthogonal knives of the driving shaft that attack or cut the cane on the side of the plant where the fibers are denser, discordant with the tipping angle. The height of the foot is not the most favorable in terms of cutting, since the exerted torsion generates the thickening demanding more of the knife. Although cutting is performed under the above conditions, in practice it has been noted that the knife when cutting the plant from front to back, taking as reference the direction of movement of the equipment, gives rise to a vertical force vector that tends to displace the root of the plant. even for a few millimeters, damaging future regrowth.

On the other hand, the known harvester models do not have central lollipops so that the material to be cut does not enter the equipment in an aligned and organized manner, making it difficult to cut and subsequent operations. In this sense, the steering rollers positioned in parallel do not contribute to the alignment and organization of the feet entering the equipment causing the same inconveniences mentioned above.

Another drawback of these harvesters is that part of the cane passer between the cutting discs, remaining in the ground which generates loss of productivity.

Thinking of a way to solve the inconveniences and limitations inherent to the state of the art, the inventor, a person active in the segment in question, developed "INDEPENDENT DOUBLE CUTTING MACHINE AND FACAOBLÍQUA", which uses a pair of delimited central lollipops. by lateral lollipops generating a gap for the entrance of the cane converging with the cutting disc (one on each side), the said input being aided by transverse compensating rollers that redirect the cane to the interior of the equipment.

Already the cutting disc has the waits of the knives in a position that prints an oblique angle in relation to the cutting radius, which causes these knives to attack the part of the cane with less dense fibers, favoring the distortion imposed by the equipment providing the cut. back to front requiring less blade.

Adjacent to the cutting assembly, the harvester also has a pair of vertical rollers with helical lower nozzles that leverage the blade concurrently with cutting.

In the following, the innovation will be explained with reference to the attached drawings, in which they are represented by way of illustration and not limitation:

Figure 1: Side sectional view of the sugarcane harvester;

Figure 2: Top view of the innovative sugarcane harvesting collection and cutting set;

Figure 3: Top view of the cutting set of the innovative sugar cane harvester;

Figure 4: Top view of the collection set and cutting set of the innovative sugar cane harvester;

Figure 5: Front view of the innovative sugarcane harvester;

Figure 6: Detail of the sugarcane cut with the innovative sugarcane harvester.

The "SUGAR CANE HARVESTING INDEPENDENT DOUBLE CUTTING COMMECHANISM", object of this Utility Model Patent Application, consists of a harvester (1) capable of making two lines (LI and L2) of hajavista cut. pair of central lollipops (2) flanked by lateral lollipops (3) which together generate two spans (VI and V2) to capture the material to be sheared by the slightly displaced cutting discs (4) of the spans (VI and V2) , whose waits (5) follow an oblique angle (a) in relation to the radius (R) of cut, which causes the knives (6) to attack the foot in the area where the fibers (F1) are less thickened, being the operation cutting assisted by vertical rollers (7) with helical tips (7P) and transverse horizontal rollers (8) in a concomitant action, greatly facilitating the operation.

More particularly, the claimed harvester (1) stands out for making a double cut line (Lie L2), for that it has in the front of the intake (FC) a pair of central lollipops (2) flanked by lateral lollipops (3) that together two spans (VI and V2) of sugarcane uptake directed to the interior of the equipment with the aid of straight horizontal rollers (9). After the intake front (FC) a processing chamber (10) is formed, duly divided by slightly curvilinear median bulkheads (11), where one detaches a cutting disc (4) in each chamber (10); whose waits (5) have an optimum angle (a) with respect to the cutting radius (R), so that when turning, the knives (6) will always attack the cane in the area where the fibers (F1) are less thick and more prone to shear. The ideal cutting area, that is, with less dense fibers, will always be in the same direction as the equipment-imposed boom, that is, that side where traction (T) predominates over the compression (C) characteristic of the opposite side. Thus, following the direction of movement of the harvester (1), the knives (6) will always act from the back to the front of the plant.

The cutting discs (4) are aided by vertically-contiguous rollers (7) provided with helical lower nozzles (7P) which, by turning the cane toward the knives (6), thereby cutting one hundred per cent plants in that row.

On the other hand, the cutting is also aided by a pair of transverse upper rollers (8) whose inclination in the abscissa plane compensates for the force detector (12) created on the cutting disc (4), close to the ground, generating a force vector (13). ) at the height of said transverse rollers (8) with resulting zero, thereby directing the cut material into the harvester in an organized and continuous manner.

In order for the claimed harvester (1) to become operational it was necessary to increase its gauge (B), as well as to resize the upper set (14) of the sugarcane canopies by adding a pair of extreme drivers (15). The larger gauge (B) has some advantages, such as a 50% reduction in the trampling area, as well as giving greater stability of the equipment, allowing it to operate on steeper gradients, that is, steeper terrain with Conventional gauge do not operate.

Claims (1)

1.) "SUGAR CANE HARVEST WITH INDEPENDENT DOUBLE DECORATION AND OBLIQUE KNIFE", characterized by making double cut line (LI and L2), for having in the front of the intake (FC) a pair of central lollipops (2 ) flanked by lateral lollipops (3) which together generate two collection spans (VI and V2); After the intake front (FC) a processing chamber (10) is formed, divided properly by slightly curvilinear median (11) antlers (11), where one disc (4) is cut in each gap (VI or V2) whose waits (5) present optimal angle (a) in relation to the cutting radius (R) so that when rotating, the knives (6) will never compromise the cane in the area where the fibers (F1) are less thickened, following the harvester movement direction (1) ; the cutting discs (4) are aided by contiguous vertical rollers (7) provided with lower helical tips (7P); the cut is also aided by a pair of upper transverse rollers (8) which neutralizes the force vector (12).