A delimbing apparatus for the delimbing of trees, which can be connected to a moving vehicle via a boom system. The apparatus includes a frame part and a delimbing head. The frame part is provided with gripping elements, by which the frame part is fastened against the trunk of the tree at a desired
A delimbing apparatus for the delimbing of trees, which can be connected to a moving vehicle via a boom system. The apparatus includes a frame part and a delimbing head. The frame part is provided with gripping elements, by which the frame part is fastened against the trunk of the tree at a desired height during delimbing work. The apparatus includes a delimbing head which is separate from the frame part and is provided with a gripping device for gripping the trunk of the tree. The delimbing head is moved by drive means along the tree trunk, and at least one delimbing cutter and a feed and control cable for transmitting operating power, connected between the delimbing head moving along the trunk of the tree and the frame part.
대표청구항▼
The invention claimed is: 1. The delimbing apparatus for the delimbing a tree, which can be connected to a moving vehicle via a boom system, said apparatus comprising: a frame part and a delimbing head disposed above the frame part, wherein the frame part is provided with gripping elements adapted
The invention claimed is: 1. The delimbing apparatus for the delimbing a tree, which can be connected to a moving vehicle via a boom system, said apparatus comprising: a frame part and a delimbing head disposed above the frame part, wherein the frame part is provided with gripping elements adapted to fasten the frame part to a trunk of the tree at a desired height during delimbing work, and the delimbing head is separable from and movable with respect to the frame part, and is provided with a gripping device adapted to grip the trunk of the tree, drive means for moving the delimbing head along the tree trunk and at least one delimbing cutter attached to the delimbing head, and a feed and control cable for transmitting operating power and control to the delimbing head, the feed and control cable extending between the frame part and the delimbing head via a cable reel on the frame part, wherein the frame part is provided with a felling cutter adapted to cut the tree at a root of the tree. 2. The delimbing apparatus according to claim 1, wherein the at least one delimbing cutter is adapted to cut branches and the trunk. 3. The delimbing apparatus according to claim 1, wherein the drive means includes wheels or rollers rotated by a drive motor and controlled by a control unit. 4. The delimbing apparatus according to claim 1, wherein drive means is inclinable, so that the at least one delimbing cutter is movable in a desired direction along the trunk of the tree. 5. The delimbing apparatus according to claim 1, wherein the delimbing cutter is fitted in conjunction with the gripping device, wherein the gripping device is a controllable accordion tightening device having controllable elements that are capable of being tightened around the trunk of the tree. 6. The delimbing apparatus according to claim 1, wherein the frame part is adapted to widen conically downward, allowing the delimbing head to be parked in an initial position with respect to the frame part. 7. The delimbing apparatus according to claim 1, wherein the frame part is connected to the boom system via a swivel joint, wherein the boom system is adapted to allow the frame part to be turned in a desired direction, in order to enable the apparatus to delimb trees standing adjacent to each other side by side and one behind another, without moving the vehicle. 8. The delimbing apparatus according to claim 1, wherein the boom system connects the frame part to the vehicle and is substantially A-shaped. 9. The delimbing apparatus according to claim 1, wherein the boom system is disposed between the frame part and the vehicle, and is fitted to the vehicle so that the boom system is fully rotatable with respect to the vehicle. 10. The delimbing apparatus according to claim 1, wherein the cable between the delimbing head and the frame part follows the trunk of the tree and moves parallel to the trunk of the tree. 11. The delimbing apparatus according to claim 1, wherein the delimbing head is detachably coupled to the frame part by bayonet couplers, so that the delimbing head is replaceable to suit conditions in different forests and trees with different trunk diameters. 12. The delimbing apparatus according to claim 1, wherein the at least one delimbing cutter is a top cutter fitted to the delimbing head, the top cutter being pivotable between vertical and horizontal positions, so that, in addition to cutting the tree, the top cutter can be used for cutting branches. 13. The delimbing apparatus according to claim 5, wherein the controllable accordion tightening device includes edged laminae that are arranged in a curved shape for bending around the trunk of the tree. 14. The delimbing apparatus according to claim 1, wherein the felling cutter is provided on a lower portion of the frame part adjacent to the cable reel. 15. The delimbing apparatus according to claim 1, wherein the feed and control cable follows the trunk of the tree from the cable reel, and a length of the cable is automatically adjusted between the frame part and the delimbing head, thereby avoiding swinging of the cable.
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이 특허에 인용된 특허 (7)
Milbourn David E. (Rte. 3 ; Box 696D Hoquiam WA 98550), Brush cutter.
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