RU76351U1 - WORKING EQUIPMENT OF A SINGLE BUCKET HYDRAULIC EXCAVATOR - Google Patents

Abstract

The utility model relates to earthmoving machines, and specifically to the working equipment of single bucket hydraulic excavators. The objective of the utility model is to expand the technological capabilities of the equipment and increase the productivity of the excavator. The development of soil by the working equipment of a single-bucket excavator in the process of repairing the pipeline is as follows. The bucket (6) is installed in the upright position due to the control hydraulic cylinders (3) by the boom (1) and the control hydraulic cylinders (4) by the handle (2), as well as by the hydraulic cylinder (7), the trench is detached on the sides of the pipeline. The trench comes off wider and deeper than the lower edge of the pipe so that it is possible to rotate the bucket (6) in the hinge (15). After the trench is dug, the handle (2) is installed in a vertical position, the bucket (6) is turned to the right or left, depending on which side of the pipeline the excavator is standing on. 5 ill.

Description

The utility model relates to earthmoving machines, and specifically to the working equipment of single bucket hydraulic excavators.

A known design of working equipment for a single-bucket excavator, including a handle, a bucket, a pivot-lever mechanism with a bucket turning cylinder along the handle, a double-hinged insert with mutually perpendicular axes and a rigidly mounted lever mounted between the handle and the bucket, a bucket turning hydraulic cylinder across the handle, and a system a link with a longitudinal groove, which is connected by hinges at one end to the hydraulic cylinder for turning the bucket across the handle, and the second to the handle, with a lever with two the hinge insert has a finger mounted with the possibility of placement in the longitudinal groove of the wings. (USSR author's certificate No. 1027338, class E02F 3/28, 03/31/82). A disadvantage of the known equipment is the complexity of the structures, the inability to control the bucket in the turned position, and also during the development of the soil, the soil may get into the backstage groove, which can lead to jamming when the bucket turns to its original position.

The closest technical solution to the invention is the working equipment of a single-bucket excavator comprising a handle, a bucket, a double-hinged insert connecting the bucket to the handle. The insert is rotated by the hydraulic cylinder by means of a lever. (USSR author's certificate No. 1652445, class E02F 3/28, 03.10.88). However, a disadvantage of the known equipment is the ability to turn the bucket only in one direction relative to the handle, which allows excavation of soil from only one side of the pipe, which means that productivity decreases.

The objective of the utility model is to expand the technological capabilities of the equipment and increase the productivity of the excavator.

The specified technical result is achieved by the fact that the working equipment of a single-bucket excavator, including a handle, a bucket, a pivot-lever mechanism with a hydraulic cylinder for turning the bucket along the axis of the handle, a double-hinged insert with mutually perpendicular axes and two levers mounted on it, mounted between the handle and the bucket. Two hydraulic cylinders for turning the bucket to the sides, relative to the axis of the handle, are fixed on the upper part of the handle and are located one above the other.

Figure 1 shows a General view of the excavator, view from the side; figure 2 excavator top view; figure 3 working equipment shovel excavator, side view and top view; in Fig.4 three positions of rotation of the bucket; figure 5 the movement of the bucket in the turned position.

The working equipment of a single-bucket excavator contains an arrow 1, a handle 2, hydraulic control cylinders for a boom 3, hydraulic cylinders for control a handle 4. At the end of the handle, a bucket 6 is mounted with a double-hinged insert 5 with mutually perpendicular axes, using a hydraulic cylinder 7 fixed at one end to insert 5 and the other with a lever 8, which is connected to the rod 9, and it, in turn, is connected to the bucket 6, which is connected to the insert 5, by the hinge 10. Hydraulic cylinders 11 and 12 for turning the bucket 6 to the side, relative to the handle 2 at one end fixed on the top of the handle 2, and a second end connected to the levers 13 and 14 are fixed on the insert 5 to maintain the rotation of the bucket 6 in the hinge 15.

The development of soil by the working equipment of a single-bucket excavator in the process of repairing the pipeline is as follows.

The bucket 6 is installed in the upright position (Fig. 3) due to the hydraulic control cylinders 3 of the boom 1 and the hydraulic control cylinders 4 of the handle 2, as well as the hydraulic cylinder 7, the trench is torn off on the sides of the pipeline. The trench comes off wider and deeper than the lower edge of the pipe for

so that it is possible to rotate the bucket 6 in the hinge 15. After the trench is dug up, the handle 2 is set in a vertical position, the bucket 6 is turned to the right or left (Fig. 4), depending on which side of the pipeline the excavator is standing. In Fig. 4, the main line shows the rotation of the bucket 6 to the left side, the dashed line shows the position straight, the dash-dot line shows the position of the bucket to the right. Lower the bucket 6 into the trench, and by pulling and extending the rod of the hydraulic cylinder 7, rotate the bucket 6 from position I to position III and vice versa (Fig. 5), which allows soil development under the pipeline and dumping it into the pit dug earlier. During the development of the soil under the pipeline, the handle 2 should be vertical to the pipeline so that the bucket 6 moves parallel to the pipeline so as not to damage it.

Claims (1)

The working equipment of a single-bucket hydraulic excavator, including a handle with a double-hinged insert and a bucket pivotally attached to it, a bucket turning cylinder connected to a lever, characterized in that it is additionally equipped with a lever and a hydraulic cylinder for turning the bucket left or right relative to the axis of the excavator handle, as well as a hydraulic cylinder connected to the lever and the control rod of the bucket, while the hydraulic cylinders for turning the bucket to the sides are located one above the other and are fixed on the upper part of the handle.