SU1501956A1 - Cutting apparatus for agricultural harvesting machine - Google Patents

Abstract

An agricultural harvester cutting apparatus, comprising a bar, a finger-operated anti-tamper mounted thereon, swinging cutting segments fixed to the bar by means of axles and having a swing drive, the shaft of which is made with closed screw grooves for the shanks of the segments, characterized in that performance by reducing the power required to move the apparatus during operation, the bar is equipped with stops in its longitudinal direction, and the comb is spring-loaded relative to It is useful in the longitudinal direction of the beam and provided with a stop element fixed to it for engagement with the stops, the comb is made with main through longitudinal grooves for the axes and with an additional longitudinal groove and has a longitudinal plate mounted on the axes in the additional groove above the main through grooves.

Description

The invention relates to the field of agricultural machinery and can be used in devices for pruning mainly rough and shrubby crops, such as tea bushes.

Pel of the invention is performance enhancement by reducing the power required to move the machine during operation.

FIG. 1 shows a cutting apparatus, top view; in fig. 2 shows section A-A in FIG. one; in fig. 3 - node I and FIG. one; in fig. 4 is a view B in FIG. one; ia fi | -. 5 — node II in FIG. 2

The cutting unit of the agricultural man1in harvest contains a drive with a drive shaft 1 mounted on supports 2 of the beam 3, a shearing finger comb 4 with a rigidly fixed stop element in the form of a leash 5, swinging cutting segments 6-9, stops 10 and a plate I,

The comb 4 is fixed movably on the beam 3 by means of the axles 12 and is spring-loaded through the lead 5 by springs 13 and 14 relative to the beam 3. Springs 13 and 14 are mounted in the guide 15 fixed by brackets 16 and 17 on the beam 3.

At the locations of the axes 13, the comb 4 has a through 1) 1e longitudinal grooves 18 and an additional longitudinal groove 19. The stops 10 are fixed with bolts 20 on the plates 21 of the beam 3 with the possibility of adjustment.

The plate 11 is fixed on the axis x 12 and installed in the additional groove 19 above the grooves 18 to overlap them.

The cutting segments 6–9 are mounted on the beam 3 by means of axles 12 and their shanks 22, which are hinged on the sleeves 23 with axles 24, are mathematically connected to closed screw grooves 25, driven by a drive shaft 1. In Locations between) and axle loops 12

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with

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05

Swinging cutting segments 6-9 have longitudinal grooves 26.

This cutting apparatus can be used in a hand-held device (not shown) for semi-semi-pruning tea bushes.

The device operates as follows.

The cutting apparatus is preliminarily tuned to a particular crop to be removed by setting the required oscillation amplitude of the cutting comb 4. This is achieved by fixing the screws 20 to the stops 10 in the required position on the plates 21 of the beam 3, while the amplitude of oscillations of the comb 4 must be no less than the sum the maximum diameter of the branches of the crop being cut and the front end ujnpHHbi of the shearing branches of the crop being cut and 1 pyrine of the front portion of the shearing fingers of the comb 4, which ensures the latter Nost guaranteed free passage refers; | no cut branches.

Fully closed grooves 25 convert the rotational movement of the drive shaft 1 into the return-swinging movement of segments 6-9. The longitudinal grooves 26 of the segments provide the kinematics of their movement.

In the process of posting1-about the movement of the apparatus1, 1) apparatus, for example in the crown crown

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tarnika, branches that fall into the cutting zone of the cutting segments 6-9, will alternately deflect them at the initial moment before making contact with the fingers of the comb 4, causing subsequent oscillations together with the leash 5 within the limits of the stops 10. When the comb oscillates 4, with the leash 5, the springs 13 and 14 are compressed, which, after cutting the branches, return the comb 4 to its original position. The compression reaction of the springs 13 and 14 is perceived by the 11 of the guide 15, the brackets 16 and 17, and the bar 3. The through longitudinal grooves 18 of the comb 4 provide the kinematics of its oscillatory movement relative to the bar 3.

The oscillations of the comb 4 in the process of the translational movement of the cutting apparatus during the technological process of trimming the branches of the crown of bushes exclude the stop of the comb's opposite fingers into the cut branches and reduce the power required to move the cutting apparatus, which increases its productivity.

The cut branches move along the fingers of the comb 4, the plate 11 (blocking the through longitudinal grooves 18), rocking the cutting segments 6-9, the drive shaft 1, fall from the back of the cutting apparatus and subsequently are laid by the workers in the inter-tea bushes.

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FIG.

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Claims (1)

To the comb comb 4, plate 11 (blocking the through longitudinal grooves 18), swinging cutting segments 6–9, drive shaft 1, fall from the back of the cutting apparatus and subsequently stacked by workers in the rows of tea bushes. Figure 1 1501956 View B FIG. 5