RU2529170C1 - Forest harvester - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: invention relates to the field of forest harvesting operations and can be used for harvesting and processing trees on assortments. The forest harvester comprises a base platform with the driver, a rotating platform with a hydraulic manipulator and the harvester head. The hydraulic manipulator of the device is mounted on the rotating platform over the operator's cab. At the end of the manipulator handle a beam is hingedly mounted. At the free ends of the beam the harvester head is mounted with the ability to turn in the space on the one side, and the hydraulic gripper for assortments on the other side.

EFFECT: increased productivity, reduced energy intensity and unhandiness of the design.

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Description

The invention relates to the field of logging and can be used for harvesting and processing trees into assortments.

A well-known forest harvester for processing standing trees into assortments (patent RU No. 2312489), which contains a base platform with a mover, a rotary platform with a main telescopic boom containing a telescopic stand, on which a delimbing head and a grapple manipulator are mounted.

The main disadvantages of this device is the high energy intensity of the structure.

The closest in technical essence and the achieved economic effect is a device (patent RU No. 2233073), containing a rotary platform with feeding mechanisms for separation, separation, tilting of assortments with lumber and a saw mechanism with a pusher, a telescopic boom with gravity descent, holding the grip and harvester head, storage container with screw roller.

The main disadvantages of this device is the high energy intensity and bulky design due to the presence of the saw block.

The problem solved by the applicant is to increase labor productivity, reduce energy intensity and bulkiness of the structure.

This goal is achieved by the fact that the hydraulic manipulator of the device is mounted on a turntable above the operator’s cabin, and at the end of its handle a beam is pivotally mounted, at the free ends of which are mounted with the possibility of rotation in space on one side of the harvester head, and on the other, a hydraulic gripper for assortments .

The present invention is illustrated by drawings, where in Fig.1 shows a side view (operating mode of the harvester), Fig.2 and 3 - (mode of operation of the forwarder).

The present invention contains a base platform 1, made in the form of a breaking frame, in the rear part of which there is a drive of 2 assortments, and in the front there is a mover 3 with an operator's cab 4 and a hydraulic manipulator 6 mounted on top of it on a turntable 5, at the end of the handle of which is articulated mounted beam 7, placed on its free ends with the possibility of rotation in space on one side of the harvester head 8, and on the other hydraulic gripper 9.

Forest harvester works as follows.

After the harvester arrives at the cutting site on the boom of the manipulator 6, the beam 7 with actuators is installed in such a way that the harvester head 8 occupies the working position, and the hydraulic gripper 9 is pressed against the boom (Fig. 1). Then, through the harvester head 8, the trees 10 are cut, branches are removed from them, they are dressed and stacked in a pack 11.

After processing all the trees that are in the range of the manipulator, the harvester head is moved to the position in the arrow (Fig. 2), and its place is taken by the hydraulic gripper, with which the assortments are stacked in the drive (Fig. 3). After completing the collection of all assortments from the pack, the combine moves to a new position. The process is repeated until the drive is fully loaded. When the drive is completely filled with assortments, the combine transfers to the loading point for unloading, and then returns again to the cutting area, so the cycle repeats until the work shift is completed.

As a result of using this device, productivity increases by 1.5 times. This is achieved by reducing cycle time due to the combination of felling, cutting branches, bucking and loading assortments.

Claims (1)

A forest harvester for processing standing trees into assortments containing a base platform with a mover, a rotary platform with a hydraulic manipulator and a harvester head, characterized in that the hydraulic manipulator of the device is mounted on a rotary platform above the operator’s cabin, and a beam is pivotally mounted at the end of its handle the ends of which are mounted with the possibility of rotation in space on one side of the harvester head, and on the other, a hydraulic gripper for assortments.

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