SU406789A1 - В П Т Е ОШНШ '{} УА5? Й: 5? 70 ФиЗЙ и = Ш: | А..Г 1 [;; ^ Qi) - Google Patents

Description

one

The invention relates to machines used in loading and piling operations and can be used in the timber and woodworking industry.

Known logger, including self-propelled schassi with a sprung frame, on which is mounted a Novorotn vertical jib arm, outrigger, spool switch, pump, distributor and pipelines.

The purpose of the invention is to ensure the automatic operation of the outrigger.

For this purpose, the drive of the spool switch is made in the form of a two-armed lever mounted on a sprung frame and interacting with the stop of the self-propelled one.

FIG. 1 schematically shows the drive of a logger during an outrigger transport position; in fig. 2 and 3 - the logger driver and his outrigger in the process of typing and transporting cargo with a jaw grip.

The logger includes a boom 1 rotary in a vertical plane with a jaw grip 2, driven by hydraulic cylinders 3 and 4, mounted on a self-propelled chassis 5.

A two-armed lever 7 is hinged on the sprung sub-frame 6. One end of the lever interacts with the pushers.

8 n 9 spool 10, and the other with an emphasis 11 fixed on the non-sprung part 12 of the self-propelled engine. The spool 10 is connected to the pressure pipe 13 between the hydraulic pump 14 and the distribution device 15 with the drain pipe 16 and with the working cavities of the hydraulic pumps 17 for lifting and lowering the outrigger 18.

Works logger as follows.

When lowering the boom 1 with the maxillary gripper 2 into position “set of the load, the spool 10 is in neutral position, and outrigger 18 is in the transport position (Fig. 1). After insertion of the grip 2 under the load (Fig. 2) and the beginning of its lifting with the hydraulic cylinders 3 or 4, the frame 6 begins to fall together with the lever 7, which rotates and, interacting with one end with the stop And, moves the other end with the slide 8 of the spool 10, the fluid enters the piston cavity of cylinder cylinder 17, and the stem cavity is connected to pipeline 16. The outrigger is lowered, unnor 11 comes out of contact with the end of the lever 7, and the pusher 8 under the action of the pressure of the working fluid returns the lever

n the original position.

At the end of the movement of the piston of the hydraulic cylinder 17, the valve 10 returns to the neutral position under the action of a spring.

When sufficient stability is reached by the logger (phpg. 3), frame 6 begins to lift together with lever 7, which, interacting with stop 11, moves pusher 9 of spool 10, while the shaft of the hydraulic cylinder 17 is connected to pipeline 13, and the piston cavity with drain pipe 14. The outrigger rises, the abutment leaves the engagement with the end of the lever 7, which returns to its original position, and the slide valve 10 returns to the neutral position.

Subject invention

The logger includes a self-propelled chassis with a sprung frame, which is mounted in a vertical plane with a jaw jaw, outrigger, spool switch, pump, distributor and pipelines, characterized in that, in order to ensure the automatic operation of the outrigger, the spool switch is configured as two shoulders of the lever mounted on the sprung frame and interacting with the stop self-propelled chassis, with the spool switch connected to the pressure pipe y yuschemu pump connected to the distributor.