RU21420U1 - MINERAL CUTTER REDUCER DRIVE - Google Patents

Abstract

A mining gear cutting gear drive containing a motor transmitting torque to the pinion shaft by means of a spline torsion shaft having a gearbox protecting against overload, a voltage concentrator in the form of a radial groove, characterized in that the torsion shaft is made of two parts connected by a movable cam-disk clutch on the outer surface of which the slots are made.

Description

 AND

M.KL.E21S27 / 00

Mining Harvester Reducer Drive

A useful model relates to mining equipment, in particular to drives of cutting gears for mining combines.

Mining harvester cutting gear drives are known that contain an electric motor that transmits torque to the pinion shaft by means of a flange torsion shaft with a gear hub that protects against overload in the form of a radius groove (see the spare parts manual for the face sewage shearer from OPA TSCHO O jf UA / C July 26, 1996, p. 48; description of the utility model for certificate No. 16296, E2IC27 / 00, 2000).

A disadvantage of the known drives is the great complexity of replacing the torsion shaft when it is destroyed in the conditions of the mine.

The task is to reduce labor costs when replacing a torsion shaft.

The problem is achieved in that in the drive of the cutting gear of a mining combine containing an electric motor that transmits the torque to the va-lu-gear by means of the front torsion shaft having a protective

from overload, the reducer is a stress concentrator in the form of a radial groove, the torsion shaft is made of two parts connected by a movable cam-disk clutch, on the outer surface of which slots are made.

The inventive drive is characterized by the presence of the following significant distinctive signs:

a) torsion: & 1 shaft is made of two parts;

b) the parts are interconnected by a movable cam disk clutch;

c) Slots are made on the outer surface of the coupling. Conducted research on patent and scientific and technical

The scientific literature allows us to identify a number of technical solutions for a similar purpose, but there are no signs in them. Therefore, the proposed drive meets the eligibility requirements of utility models.

The essence of the claimed is illustrated by drawings, where in Fig.1 shows the drive re.ductor cutting mountain combine; figure 2 - a view of figure 1; in Fig.Z - section along BB on fsh: .3; in Fig.4 "section along BB in Fig.Z.

The cutting gear drive comprises a motor housing I, in which a shaft 4 is mounted on bearings 2 and 3, transmitting torque to the torsion shaft 5 through the splined joint 6. The torsion shaft 5 is mounted in the empty shaft 4 of the electric motor using half rings 7 installed in the groove 8 and secured by a spring ring 9. At the end of the torsion shaft 5, a half-coupling 10 is made having a radial groove II. Before the coupling half 10, a radial groove 12 is made on the shaft 5, which acts as a voltage concentrator, along which, in case of overload of the reductor, the torsion shaft 5 is destroyed. The plating disk 13 with its radial mutually perpendicular protrusions 14 and 15 interacts with the coupling halves 10 and on the shaft 5 and 16 on the shaft 17, the second part of the torsion shaft 5, forming a movable Kuzhkov-daskovoy coupling. The opposite end of the shaft 17 by means of a spline connection 18 transmits torque to the gear shaft 19 installed in the bearings 20 and 21 of the gear housing 22. The axial displacement of the shaft 17 is limited by a spacer 23, a plug 24 and a retaining ring 25. Slots 26 are made on the coupling halves 10, 16 and the floating disk 13. When the torsion shaft 5 is destroyed along the groove 12, the motor cover is removed. For, the retaining ring 9, half rings 7 are removed a fragment of the shaft 5, disconnect from the housing 22 of the gearbox housing I of the electric motor and remove the motor. Take out the second fragment of the shaft 5, and if necessary, for example, with the purpose of routine inspection, the disk 13 and the second part of the torsion shaft 5 - the shaft 17 with a spacer 23. Assembly of the gearbox is as follows. Set in place the spacer 23, the shaft 17, combining the slots of the connection 18, Put the electric motor in its original place. A disk 13 is installed along the splined hole in the shaft 4, combining the protrusion 15 with the groove in the coupling half 16, then the torsion shaft is inserted, also matching the protrusion 14 of the disk 13 with the groove in the coupling half 10. The shaft 5 is fixed from axial movement by half-rings 7 and ring 9. At the end of the work, the motor cover is fastened. The gearbox is ready to go. The drive gear cutting is as follows.

The buoying disk 10 and the coupling half 16. From the shaft 17, the torque is transmitted through the splint connection 18 to the pinion shaft 19 and then to the actuator (not shown). During the operation of the gearbox, relative movements are possible: shafts 5 and 17, which are compensated movable cam-disk clutch. Chief engineer ;;, ff,; .JS

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-S B, A. Antipin

Claims (1)

A mining gear cutting gear drive comprising a motor transmitting torque to the pinion shaft by means of a spline torsion shaft having a gearbox protecting against overload, a voltage concentrator in the form of a radial groove, characterized in that the torsion shaft is made of two parts connected by a movable cam-disk clutch on the outer surface of which the slots are made.