SU1240890A1 - Working member of entry-driving machine - Google Patents

Description

I

The invention relates to mining machines for the development of minerals and rocks, and can also be applied to the development of frozen soils in the construction of various objects.

The aim of the invention is to increase productivity and reliability.

FIG. 1 shows the executive body of the tunnel miner; in fig. 2 is a section A-L in FIG. I.,

The executive body of the sinking combine consists of a rotary boom, a drive shaft 2, a hollow cutting bit with cutters L and a mechanical oscillation generator built into it, including a hydraulic motor 5, gear 6, drive gear 7, satellite 8 of the first planetary row with disbalances 9, satellite 10 of the second planetary series with imbalances 11.

The device operation is as follows.

From the motor of the combine through the drive shaft 2, the static torque is transmitted to the hollow shaft.

Ronke 3 with incisors 4 that destroy the rock.

At the meeting of hard rock, the hydraulic motor 5 is turned on, on the shaft of which gear 6 is fixed, the drive gear rotating

7 and at the same time satellites

8first planetary series with imbalances 9 and satellites 10 second

to planetary r yes with imbalances 1I. The masses and speeds of rotation in each row are selected in such a way that in the direction of the working movement of the crown, the disturbing forces of both planar rows add up, and in the opposite direction, the recoiling force of the second planetary row is subtracted from the first, i.e. negative reverse impulse dampens second planetary

And the number being an absorber of oscillations.

SRI.

Thus, due to the use in the generator of mechanical oscillations of an additional planetary gear with imbalances, the productivity of the combine and the reliability of the gearbox of the proposed executive body are improved in comparison with the known ones.

AND

Editor M. Kelemesh

4.2

Compiled by V. Strakhov

Tehred L.Oleynik Proof-reader V. Booth ha.

Order 3465/26 Circulation 470Subscription

 VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Claims (1)

EXECUTIVE BODY OF THE MILLING COMBINE, including a rotary boom with a drive shaft, on which a drive gear is mounted, a hollow cutting crown, the body of which is connected to its drive shaft, a vibration damper located in the crown and a mechanical oscillation generator connected in it, made in the form planetary gear associated with an adjustable hydraulic motor by means of a drive gear, and imbalances established on the axes of the planetary gear satellites, characterized in that, in order to increase the productivity In order to improve the reliability and reliability of the executive body, the vibration damper is made in the form of an additional planetary gear, the satellites of which are connected to the drive gear and are installed closer to the center of the drive shaft than the planetary gear of the generator, and the masses of planetary gear imbalances are different, and the planet gear drive gear is made of a three-gear . SU 1240 890 A