SU1668566A1 - Single bucket excavator operational equipment - Google Patents

Abstract

The invention relates to working equipment of single-bucket excavators of the type straight shovel, intended for the mining industry. The goal is to increase productivity and expand the scope of use of the excavator. The working equipment of the excavator consists of a single-gang boom 1 with aperture 2 and central and external saddle bearings. The three-beam handle has a central beam 6 and two external beams 5, which can progressively move in the saddle bearings. Through the toothed rack 7, the central beam 6 is driven by a pinion gear and a pressure mechanism 9. The front part of the beam 7 is made in the form of a shovel 10, forming the bottom of the bucket. The front parts of the outer beams 5 are made in the form of vertical jaws 11, which are movably attached to the bottom 10 by means of pins 12 and bushings 13. At the same time, the king pin 12 is attached to the lifting cable 14. The free ends of the external beams 5 are movably connected by means of hydraulic cylinders (HZ) 16 to the central beam 6. When the device is in operation, the ends of the beams 5 are divorced to the sides of HZ 16 and the opened jaws 11 are fed to an object that needs to be captured or destroyed. The reverse action of HZ 16 provides for the capture and destruction or retention of the object. Under normal conditions, digging is carried out according to the traditional scheme. 1 hp ff, 6 ill.

Description

The front part of the central beam 6 is made in the form of a shovel, which forms the bottom of the bucket 10, and the front parts of the external beams 5 are made in the form of vertical jaws 11, which are movably interconnected by means of a pin 12 and sleeve 13. In this case, the king pin is rigidly attached to the bottom 10, and its upper part is connected to a hoisting cable 14, passing through the head unit 15 and further to the hoist winch. The free ends of the outer beams 5 are movably connected to the central beam 6 by means of hydraulic cylinders 16. In connection with the complex movement of the beams 5, the saddle bearings 4 are rotatably mounted relative to the horizontal and vertical axes and moved on the pin 17 in a plane perpendicular to the longitudinal plane of the working equipment .

Functions working equipment as follows. If it is necessary to oversize or seize any individual object, hydraulic cylinders 16 are included. The rods extending out of the hydraulic cylinder bodies push the outer beams 5 apart. Saddle bearings 4 do not interfere with the movement of the beams 5, as they have the possibility of girder i movement along the pin 17. When the beams 5 are moved, the jaws 11 turn in relation to the sleeve 13.

Mechanisms of pressure and lifting the bucket are delivered to the oversize or individual object. After that, hydraulic cylinders are included in the reduction. Outer beams 5 are reduced. From the action, the oversize or individual object is destroyed, after which the destruction products can be scooped up in a bucket in the usual way and excavated. When individual items are removed, their destruction, sampling, etc. conducted in the same way as in the destruction of oversize.

Claims (2)

Invention Formula The working equipment of the single-shovel excavator of the type of a shovel, including a single-bar boom with saddle bearings connected hingedly to its lateral planes, a handle with external beams installed in the saddle bearings with the possibility of translational movement, a bucket attached to the handle, a rack-and-pinion mechanism of pressure and a rope-like lifting mechanism, characterized in that, in order to increase the productivity and expand the field of use of the excavator, the handle is provided with a central beam, the front part of which is made in the form of a lot, forming the bottom of the bucket, and the front ends of its outer beams are made in the form of vertical jaws, which are movably attached by means of a hinge to the bottom of the bucket and the lifting rope, while the free ends of the outer beams of the handle are movably attached dineny to the central beam by hydraulic cylinders, the boom is made with an opening and is equipped with a central saddle bearing, and the saddle bearings on its side planes are mounted with the possibility of rotation with respect to horizontal and vertical axes and movement in a plane perpendicular to the longitudinal plane of the working equipment, the pressure mechanism being installed with possibility of interaction with the central beam installed in the central saddle bearing with the possibility of translational movement of the handle. 2. The equipment according to claim 1, of which it is so that the hinge joining the upper jaws to the bottom of the bucket and the lifting rope is made in the form of pins and sleeves. 15 14 sixteen / b1 / I ten 14 2 // ten (rig. 3 eleven Vid Rig. Rig. five 17