SU406733A1 - DEVICE for cleaning SUCHI PUTCHI TREES - Google Patents

Description

This invention relates to the forest industry.

A device for clearing the branches of a tree is known, which includes a main knife, a new beam, an additional swing beam with knives mounted on the blade using parallelogram suspensions.

The object of the invention is to simplify the design as well as to increase the productivity of the work.

This is achieved by the fact that each parallelogram suspension of the device is made with a hollow body through which a ha is passed, one end of which is pivotally connected with a knife with the help of a lever, and with a beam with the other end.

FIG. 1 shows the proposed device, a general view; in fig. 2 - the same cross section.

The device consists of a main blade 1 and an additional swing beam 2.

The beam 1 has supports 3 and 4 for the lower rotary figure knife 5 and guide posts 6 and 7. On the rack of beam 1 there are supports 8. At one end of the knife 5, a lever 9 is mounted.

The beam 2 is installed in the guide post 7 on the axis 10 passing through the supports 8. At one end of the W axis there is a lever 11 connected by an adjustable draft 12 to the lever 9. The rack 7 has a brace 13 on which a hydraulic cylinder 15 is mounted on the pins 14 connected by a rod with a bracket 16 beams 2.

A lock 17 is mounted on the arm 13 to fix the beam 2 in a vertical position. A knives system 18 with a parallelogram suspension is installed on the pivot beam, consisting of rod 19, a hollow body 20 and a lever 21. T he g 19 is connected to the lever 21 and the arm 22 of the beam 2 with a finger 23. 25. The fastening of the housing 20 on the beam 2

carried out with the help of the crosspiece 26 and the bracket 27, rigidly connected to the beam 2.

The housing 20 has a toothed sector 28 and shtyrye 29. On the beam against each sector

28 spring loaded dogs are located 30

with earring E1. A hook 32 is attached to beam 2

for fixing with a lock 17. Stand 6 beams

1 is provided with an abutment 33 and a lock 34.

The installation has a cable block system 35.

Beam 1 is secured by stretching.

The device works as follows. A tractor with a carriage of trees is guided to an installation fixed by a stretch to the portage. The device is in the initial position. The tractor, having driven the device, dumps a pack of trees on the main ball 1 (at which the cutting edges of the knife 5 are recessed), moves further by a distance slightly longer than the length of the carriage, and stops.

The operator removes lock 17 from fixation, and swing beam 2 is lowered onto a stack of trees. The free fall of the beam is slowed down by the hydraulic cylinder 15 due to throttling of the Oil as it flows from the cavity into the cavity. The beam 2 is rotated on the axis 10 up to the stop 33 on the stand 6 and fixed, in a horizontal position, by the lock 34.

At the moment of rotation of the beam 2, the knife 5 is also rotated into the working position due to the kinematic connection of the beam 2 and the knife 5 with the help of levers 9, 11, and the tie rods 12. Each tree is in its cell of the knife 5; KNIVES- -18 are lowered from the inoperative position to the trunks after each earring 31 of the pawls 30 are removed from their tongs 29 on the body 20.

Lose this tractor with a winch pulls a pack. The parallelogram weighting of the knives 18 allows the entire time to maintain a constant cutting angle as it is dragged. The dogs 30 and the toothed sectors 28 prevent the knives 18 from being raised from the squeezing forces that arise during the process of pulling.

The fastening of the housing 20 on the crosspiece 26 allows copying the curvature and non-axial position of the trunks in the plan (up to 6 ° from the axis in both directions).

After hauling, the pack is transported to the loading platform, and after unloading the tractor is sent for another cart. Approaching the installation, the tractor stops, connects to the cable for lifting the beam of the cable-and-block system 35 and moving backwards. Raises beam 2 to its original position,: Which is then fixed by lock 17 (before lifting beam 2 must be removed from lock 34). At the moment of lifting, the beam 2 turns on its supports 3 and 4 and the knife 5 into an inoperative position in which the edges of the knife are hidden. The knives 18 are rotated to the inoperative position and fixed with earrings 31 on pins 29 by body 20. After disconnecting the cable-blocking system 35, the tractor passes through the device and removes its knots on its own. The cycle is repeated.

Subject invention

- Device for clearing bundles of trees; - including a main knife beam, an additional rotary beam with knives mounted on it using parallelogram suspensions, characterized in that, in order to simplify the design and increase productivity,

Each parallelogram suspension of the device is made with a hollow body through which the traction is passed, one end of which is pivotally connected with the knife by means of a lever, and the other with a beam.