SU1505479A1 - Arrangement for pulling stumps - Google Patents

Abstract

The invention relates to a shredder and can be used in the forest industry. The purpose of the invention is to increase productivity. The device for rooting stumps is mounted on a self-propelled chassis 1 equipped with a winch 2. It includes a swivel boom 3 with a stop 4, made in the form of a single rack. On the boom 3, a pivotally articulated frame 5 is hinged on which the upper blocks of the polyspast 6 and the upper end of the pivotally mounted locking mechanism, consisting of a hydraulic cylinder, a safety valve, an accumulator and a check valve, are fixed. The lower blocks of the polyspast 6 and the lower end of the locking mechanism are fixed on the jaws of the gripper 12. The cylinder 13 is installed to push the jaws of the gripper and to pre-insert them under the root system on the cheeks of the jaws of the gripper 12. When the force of the wrench 2 increases, the locking force works mechanism, due to which polyspast 6 enters into operation, the force of rooting increases in proportion to its multiplicity. When reducing the digging force, pulley 6 is blocked and does not affect the extraction of mon. 4 il.

Description

The invention relates to a shredder and can be used in the forest industry.

The purpose of the invention is to increase productivity.

FIG. 1 shows a self-propelled chassis with a device for rooting stumps, side view; in fig. 2 - the scheme of rope storing; fig.Z - locking mechanism; in fig. 4 - capture.

The device for rooting stumps is mounted on a self-propelled chassis 1, equipped with a winch 2, I includes a swivel boom 3 with an emphasis 4, made in the form of a single rack. On the boom 3, the arcuate frame 5 is pivotally mounted, on which the upper blocks of the polyspast 6 and the upper end of the pivotally mounted locking mechanism 7, which are made of the hydraulic cylinder 8 and the safety valve 9, are fixed,

communication

eliminating the work of the chain hoist, as the safety valve 9 in the locking mechanism 7

with closed.

With an increase in the force of clearing, the safety valve 9, adjusted for a certain pressure P in the hydraulic cylinder 8, opens and

10, the piston with the rod moves from position I to position II. In this case, the liquid is pumped into the hydroaccumulator of the torus 10, and the rigid connection, which excludes the work of the chain hoist, is disturbed

On the 15th and in the work, the tackle 6 is turned on, and the pulling force will depend on the multiplicity of the tackle.

After the end of the clearing, when moving to the next stump, the jaw grip is brought into working condition, with the safety valve 9 closed, the piston with the rod is in position II and the pressure, the check valve 11 and the charge of the hydroaccumulator 10 and the return valve 25 of the hydroaccumulator open 10 squeezed out

505479

communication

eliminating the work of the chain hoist, as the safety valve 9 in the locking mechanism 7

with closed.

With an increase in the force of clearing, the safety valve 9, adjusted for a certain pressure P in the hydraulic cylinder 8, opens and

10, the piston with the rod moves from position I to position II. In this case, the liquid is pumped into the hydroaccumulator 10, and the rigid connection, which excludes the operation of the chain hoist, is disturbed

On the 15th and in the work, the tackle 6 is turned on, and the pulling force will depend on the multiplicity of the tackle.

After the end of the clearing, when moving to the next stump, the jaw grip 20 is brought into working condition, with the safety valve 9 closed, the piston with the rod is in position II and pressure, the check valve 11 is opened and the

 Ena 11. The lower blocks of the polyspast 6 and the lower end of the locking mechanism 7 are fixed on the jaw of the gripper-h 12. The cylinder 13 is installed to push the jaws of the gripper and pre-insert them under the root system on the cheeks of the jaws of the gripper 12.

The device works as follows.

Arrow 3 device with open men of capture 12 leads to the stump by self-propelled chassis 1, while the stop 4 is installed on the ground. The power cylinder 13 partially engages the jaws of the gripper 12 under the root system, turns on the winch 2 and removes the stump from the ground.

If a small force is required for rooting a mon, then through a driven rope-block system by a pulling force of the winch 2, the frame 5 rotates around its axis on the boom 3, and the stump is removed from the ground at the speed of winding the rope on the winch drum 2, and the locking mechanism at this time represents a tough

The fluid enters the hydraulic cylinder 8, and the piston with the rod goes up in working condition. Hydraulic cylinder 1G is made to open the jaws of the grip. In the following, the cycle repeats.

Claims (1)

Invention Formula Device for rooting stumps, including a self-propelled chassis, on which an arrow is hinged, with an emphasis and a cable-blocking system with a jaw jaw, characterized in that, in order to improve performance, at the free end of the arrow the articulated frame with cable guides and the upper end of the hinged-mounted locking mechanism, made in the form of a ram, and the lower blocks of the polyspast and the lower end of the locking mechanism are hinged on the jaw capture. L and l .. Js X Fig.Z FIG. H