RU2242115C2 - Manipulator for tree treatment machine - Google Patents

Abstract

FIELD: forest engineering, in particular, equipment for treatment of growing trees.

SUBSTANCE: manipulator has boom and telescopic handle carrying pivotal girder including interconnected torque links and hydraulic cylinder adapted for displacement of boom. Arm is fixed on opposite end of supporting section of telescopic handle and is pivotally connected through tie-rod to boom and through connecting link to platform of tree treatment machine. Movement of working tool in vertical plane is facilitated by positioning support pivot joints in vertical plane with respect to one another on platform of said machine.

EFFECT: improved maneuverability of manipulator for causing vertical displacement of working tool to treatment place.

2 cl, 3 dwg

Description

The invention relates to forestry engineering and can be used in forestry for the processing of growing trees (cutting the lower branches when caring for a tree, pruning the crown for landscape forestry, harvesting cuttings from elite trees, etc.) and when harvesting assortments directly from standing trees allocated into the wheelhouse.

Known machine for processing trees on the basis of the car lift AGP-28 (see book: Mazurkin P.M., Pinchuk V.M., Kotikov V.I. Manipulator brush cutters. Yoshkar-Ola: MarPI publication, 1992, p. 87, Fig. 5.10), including a skidder, an AGP-type lift, a rotary platform, a rod, a working body.

The disadvantage is the difficulty of aiming the working body simultaneously with two hydraulic cylinders of the lift, which reduces the maneuverability of manipulation and low maneuverability in the forest.

Also known is the manipulator of a tree processing machine according to patent No. 2135347, comprising an arrow, a telescopic handle with an articulated truss of interconnected pantographic two-link, hydraulic cylinders for moving the telescopic handle and arrow.

The disadvantage is the difficulty of aiming the working body simultaneously with two hydraulic cylinders (arrows and sticks) of the manipulator, which reduces the maneuverability of manipulation.

EFFECT: increased maneuverability of the manipulator when delivering the working body by vertical movement to the processing site.

This technical result is achieved by the fact that at the opposite end of the support section the beam is pivotally fixed. The beam through the rod is pivotally connected to the boom. The beam is also connected to the platform of the machine articulated through the wings.

The platform hinges are located vertically, which allows you to create aerial towers on short-base wheeled chassis. In this case, the working body in the form of a cradle or saw mechanism will rise along the tree trunk.

The essence of the technical solution lies in the fact that the manipulator is controlled by one hydraulic cylinder instead of two, which simplifies the vertical delivery of the working body to the processing site, for example, a growing tree.

The set of functional and structural features set forth in the technical solution, allows you to control the manipulator using one hydraulic cylinder for the vertical delivery of the working body to the processing site, for example, a growing tree.

Figure 1 shows a design diagram of a manipulator for processing trees (with the retracted position of the movable sections of the telescopic handle), figure 2 - the same, with the elongated position of the movable sections of the telescopic handle, figure 3 shows the trajectory of the vertical movement of the working body.

The manipulator of the tree processing machine includes an arrow 1, a hydraulic cylinder 2 for moving an arrow. A telescopic handle with a support section 3 and movable sections 4, 5 and 6 is pivotally attached to the boom. A rod 8 connected to the articulated truss is pivotally mounted on the jib 7 of the boom. The farm contains two link chains. Each two-link, except the last, is equipped with an additional link 9, which is installed parallel to the second link 10 of the two-link and connected to the first rotary link 11 of the adjacent two-link to form a pantograph. Articulated truss, supporting section 3 and movable sections 4, 5 and 6 together form a telescopic handle. At the opposite end of the support section 3, a rocker 12 is pivotally mounted, which is pivotally connected to the boom 1 through the rod 13. 14 cars.

The manipulator of the machine operates as follows.

The working body 16 must be delivered, for example, to a predetermined height during vertical movement. To do this, by turning the platform 14 of the machine and the hydraulic cylinder 2, an arrow 1 is installed. At the same time, the link 15 changes the position of the rod 13 by means of the rocker 12. At the same time, the supporting section 3 of the telescopic handle rotates relative to the axis of attachment to the arrow. In this case, the rod 8 acts on the articulated truss, the two linkers of which extend the movable sections 4, 5 and 6 relative to the supporting section 3 of the telescopic handle.

When retracting the rod of the hydraulic cylinder 1, the common handle is folded, and the boom takes its original position.

The proposed invention allows to create machines for the vertical delivery of the cradle with a working or working body to a given height.

Claims (2)

1. The manipulator of the machine for processing trees, including an arrow, a telescopic handle mounted on the handle of an articulated truss of interconnected two linkages, a hydraulic cylinder for moving the arrow, characterized in that the beam that is articulated to the beam at the opposite end of the supporting section of the telescopic handle is pivotally connected to the rod arrow and through the wings with the platform of the machine. 2. The machine manipulator according to claim 1, characterized in that for moving the working body vertically, the hinges of the supports on the machine platform are also installed vertically relative to each other.

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