SU883277A1 - Vibrated soil loosener - Google Patents

Description

(54) SWITCHER

The invention relates to construction and road engineering, to devices for the development of frozen and dense soils.

A device for the development of frozen and dense soils is known, which includes a frame, a power cylinder, magnetostrictive vibrators and teeth with tips 1.

For such a device, the characteristic performance of each tooth is low, due to the fact that the area of soil destruction at the point of contact of the tooth with the ground is small.

The closest technical solution to the invention is a vibratory ripper, comprising a frame, a lifting hydraulic cylinder, an ultrasonic vibrator and a working body in the form of a gear concentrator 2.

However, in order to increase the productivity of the ripper, it is necessary to increase the number of magnetostrictive vibrators equipped with teeth.

The aim of the invention is to increase productivity.

This goal is defined by the fact that the hub is made MiKHOivni-iM, which have a common base, are located symmetrically relative to the axis of the vibrator and are oriented along the latter.

FIG. 1 shows a vibratory ripper; in fig. 2 - a magnetostriction vibrator (ultrasonic) with a four-teeth filter.

The ripper contains a frame I, a rack 2, n (a vibrating magnetostrictive vibrator in case 3 with a working body 4, made in the form of a four-tooth concentrator with teeth 5 and tips 6, and a power cylinder 7, designed to raise and lower the frame and stand vibrator. The proposed ripper works as follows.

Claims (2)

15 After starting the movement of the base machine. The hydraulic cylinder 5 lowers the frame I and the stand 2 with the working vibrator 3 before the working body 4 is sunk into the ground to the predetermined depth. In this case, the oscillatory energy of the magnetostrictive vibrator 6 is transmitted to the working body 4 and the tooth m 5 with tips 6. Each cutting tip 6, which plays the role of an acoustic radiator, transmits acoustic energy into the ground in the form of elastic spherical waves propagating in it. The passage of intense acoustic oscillations through the soil weakens the structure of the latter and contributes to its mechanical. mu destruction. When transmitting acoustic energy from several tips in the ground, the interference of acoustic waves occurs, the intensity of which in the zone bounded by the circuit AV (see Fig. 1) will be much higher than the intensity of the radiation of a separate source. As a result, the cross-sectional area of the soil to be destroyed increases significantly, the productivity of the ripper increases, and the power consumption of the loosening process decreases. Claims of the invention A vibratory ripper, comprising a frame, a lifting hydraulic cylinder, an ultrasonic vibrator, and a toothed concentrator, characterized in that. that, in order to increase productivity, the concentrator is made multi-tooth, the teeth of which have a common base, are located symmetrically relative to the axis of the vibrator and are oriented along the latter. Sources of information taken into account in the examination 1. USSR author's certificate number 410159 ,. cl. E 02 F 5/30, 1972. 2. USSR author's certificate number 568708, cl. E 02 F 5/30, 1975 (prototype).