SU374059A1 - DEVICE FOR TRIGGER STRIPS - Google Patents

Description

The invention relates to mounted mechanisms for stubbing and is intended for harvesting pneumatic wood for use in rosin-extraction or cellulose sulphate production, as well as for clearing areas for forest crops and agricultural land, for laying routes of gas and oil pipelines, for building roads and for preparing reservoir lodges.

A device for stump lifting is known, which includes a frame with a power and cargo part, a jaw gripper with a drive and jacks with an annular knife contour. However, this requires a significant effort to cut the stumps, since it is distributed evenly throughout the contour due to its rigid attachment to the jacks. In addition, the rigid attachment of the ring knife provides for trimming all the roots of the stumps with a superficial root system. In stumps with a diagonal root system, a part of the roots cannot be cut off either by a rigid ring knife of the jacks, or knives of force cutting of the jaws.

The aim of the invention is to reduce the cutting force and the reduction of the cutting of the coO mon by the annular knife.

This is achieved by the fact that the knife is made of a composite of two half-ring knives pivotally interconnected, with the half-ring knives with jacks rods and jacks connected to the power section of the frame pivotally.

Forks with openings in the vertical plane are rigidly fixed on the power part of the frame for interchanging the axes of the hinged connection of the semi-circular knives. This regulates the penetration of the semi-circular knives into the ground.

10 when cutting the roots, depending on the size of the mon and the type of the root system.

FIG. shows the described device, front view; in fig. 2 - the same, side view.

five

The device for rooting stumps includes a frame that consists of two parts springed together: power / with suspension 2 and jacks 3, for example hydraulic; and cargo 4, which is mounted ng

20 maxillary grip 5, hydraulic cylinders of its drive 6 and vibrator 7. The power / and cargo 4 parts of the frame are connected by means of two guide rods 8 and springs 9. At the ends of the power part of the frame, hydraulic jacks 3 are mounted in the hinges 10 with the possibility of each turning to the maxillary grip 5. At the ends of the rods of the 3 jacks of the hinge, there are fixed half-ring knives 11, which are connected between each other in the hinge 12. You can pivot the knives //.

change by interrupting the axis of the hinge in the fork 13 rigidly mounted on the power part 1 of the frame. The rooting device is hung on the boom of the self-propelled machine, from which the jacks 3, the hydraulic cylinders 6 and the vibrator 7 are driven.

Before starting, depending on the size of the stumps, it is necessary to uproot them, a certain amount of knives gathering between the rods of the jacks is established. The device with the open claws 5 is put on the stump and is placed above it on the ground so that the end face of the mon was approximately in the middle of the ring knife 11. Turning on the hydraulic cylinders 6 causes the jaws of the gripper 5 to be buried under the root system. Next, by switching on the jacks 3, the semi-circular knives 11 are inserted into the ground, successively cutting the roots of mon. In this case, the movement of the knives takes place along an arc of a circle with a center in the hinge 12. In order to reduce the force simultaneously with the jack 3, the vibrator 7 is activated. With the help of vibration, the earth clog is destroyed. When boom lifts, the cut out mon

the ground is leveled. The cleaned stump with trimmed roots is transported by the boom to the place of laying and unloaded.

Present Invention

Claims (2)

1- Device for rooting stumps, including a frame with power and cargo part, a jaw gripper with a drive and jacks with an annular blade contour, characterized by By the fact that, in order to reduce the cutting effort and ensure the cutting of the roots of a mon by an annular knife, the latter is made of a composite of two semi-circular knives, hingedly connected to each other, and the semi-circular knives with jacks rods and jacks with the power part of the frame are connected pivotally. 2. The device according to claim 1, characterized in that, in order to adjust the depth of the semi-circular knives into the ground when cutting the roots depending on the size of the mon and the type of the root system, forks with holes in the vertical plane for shifting the axes are rigidly fixed on the power part of the frame hinge connection of semi-circular knives. V tWJilfl / ttl Vi, Vrf / lilf4KVff 1, i.