SU400528A1 - HANGING EQUIPMENT FOR UNLESS-CUTTED TIMBER TRILING - Google Patents

Description

one

The invention relates to attachments of tracked and wheeled self-propelled chassis for skid-free logging and can be used in the forest industry.

Known attachments for skid-free logging, including a pivoting boom mounted on a self-propelled chassis with a jaw gripper attached to the boom by means of a suspension, and an EOO loop loop, the ends of which are run through the jaw holes and connected to the winch cable.

The purpose of the invention is to improve the load distribution across the axles of the self-propelled chassis.

For this purpose, the suspension of the maxillary grip is made in the form of flexible links spaced apart in the transverse plane, symmetrically located relative to the axis of the suspension.

FIG. 1 shows attachment equipment for bezkuchernoy logging, side view; in fig. 2 - jaw grip attachment, rear view; in fig. 3 - scheme of stockpiling a rope.

Attachment equipment consists of boom 1, controlled by hydraulic cylinders 2, jaw gripper 3 with cable-guiding blocks 4 through which the haul rope 5 passing open loop 6, suspension 7 of flexible links, winch 8

and retaining shield 9. T boil rope 5 for the assembly of the bundle is passed through the cable guides 4 of the gripper 3, the cable guiding block 10 of the boom 1 and is connected to the traction

a rope winch by means of a hook 11.

Work attachments is carried out as follows.

After approaching the machine 12 to the prepared bundle of trees, the operator opens the jaws 13 of the gripper 3, the drum of the winch 8 is set to the free unwinding position, and the cable guiding blocks 4 are raised together with the jaws of the gripper to the upper position. Tramline 5 turns out to be

at the level of the lower edge of the traverse capture. After that, the grip is lowered onto the pack, the jaws 13 are compressed, and the grip together with the pack is lifted to the upper position, after which the operator switches on the winch 8 and pulls the pack by the loop 6. Simultaneously with the pack tightening, the weight of the bag too) are transmitted to the boom block 10, whereby the suspension 7 is flexible and unloads the boom from the weight of the pack and

transfer of traction. Since the boom unit is located much closer to the center of the rear wheel of the self-propelled chassis and lower than the axle of the flexible suspension 7, it tilts;

self-propelled chassis from the weight of a pack and t bend

the force is significantly reduced, thereby creating conditions for the weight to be evenly distributed along the axes of the machine and to prevent overloading of the rear wheels.

When turning the grip 3 relative to the vertical axis of the suspension 7, the latter creates a moment, stabilizing the grip in the transverse plane, which is necessary for the successful gripping of the pack.

If it is necessary to shoot the pack or remove the hook 11, it is disconnected from the rope 5 and the equipment can work as usual arched logging equipment.

4 Subject of the invention

Attachment equipment for skid-free skidding, including a pivot boom mounted on a self-propelled chassis with a jaw gripper attached to the boom using the suspension, and a cable loop, the ends of which are threaded through the jaw holes and connected to the pulling cable of the winch, are different. In order to improve the load distribution of the axles of the self-propelled chassis, the suspension of the maxillary grip is made in the form of flexible connections spaced apart in the transverse plane, symmetrically located 1 relative to the axis of the suspension.

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