SU1416685A1 - Cutting member of mine cutter-loader - Google Patents

Abstract

The invention relates to mining engineering, to means of mechanizing coal extraction. The goal is to increase the reliability of the executive body by reducing the cutting step between the adjacent extreme incisors of the upper and lower drums. For this, the gear reducer (SR) 4 is made in the form of a series of parallel gear wheels. Each row is connected to the driven gear wheel 10 by means of extreme gear wheels. In the housing of the ShR 4, annular grooves 13, 14 of trapezoidal section are made, in which the incisors 5 of the upper and lower drums 1,2 are located. The torque from SR-4 is transmitted to the upper and lower drums 1.2 through the drive gear 10, gear wheels, drum wheel 11, output shaft 3. Cutters 5, destroying the rear sight of the coal to the height of the body 12 of the IR 4, move in annular grooves 13 , 14 ШР 4. 2 Il. SL

Description

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A.-A

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FIELD OF THE INVENTION The invention relates to mining engineering, to means of mechanizing coal mining.

The aim of the invention is to increase the reliability of the actuator by reducing the cutting step between the adjacent extreme incisors of the upper and lower drums.

(not shown). At the same time, the cutters 5, destroying the entire angle of the coal to the height of the housing 12 of the gear reducer 4, move in the extra-uneasy zone along the annular grooves 13 and 14 of the gear reducer 4. The trapezoidal section of each annular groove 13 and 14 provides the best location

Fig. 1 shows schematically the use of Q 5 in them, as well as the splicing of the slots 13 and 14 as the cutters 5 pass through them. The arrangement of the gear wheels 6, 7 and 8, 9 in parallel rows makes it possible to increase the reliability of the drive.

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body of a mining combine; figure 2 - section aa in figure 1.

The executive body of the mining combine contains the upper .1 and lower 2 parts of the drum mounted on the output shaft 3 of the gear reducer 4. The upper 1 and lower 2 parts of the drum are equipped with cutters 5. The gear reducer 4 is made in the form of rows of parallel gears 6, 7 and 8, 9. Each of the rows is connected to the driven gear wheel 10 by means of wheels 6 and 9, and also to the wheel 11 of the drum by means of wheels 7 and 8. In this case, the width of gear wheels 25 to 6 is half the width of gear wheels Yu and 11. Because of this, in gear gear housing 12 4, at the interface of gears 6, 7, and 8, 9, annular p-ases 13 and 14 of trapezoidal section are made, in which there are cuttings 5 of the upper 1 and lower 2 parts of the drum. The distance between the cutters 5 of the extreme cutting lines of the upper 1 and lower 2 parts of the drum is equal to the cutting step t.

15 of the drum, and also allows to bring together the cutters of the 5 extreme cutting lines of the upper 1 and lower 2 parts of the drum by the size of the cutting step t. This ensures the destruction of the pillar of the coal to the height of the gear housing 12 gear 30

35

Torah 4.

Claims (1)

Invention Formula The executive body of the mining combine, including gear reducer, reducer housing, fitted with incisors upper and lower parts of the drum with a vertical axis of rotation, mounted on the output shaft of the gear reducer, characterized in that in order to increase the reliability of its operation by reducing the cutting step between adjacent extreme cutters of the upper and lower drums, gear reducer is made in the form of rows of parallel mounted gear wheels, each of which are connected by means of extreme gear wheels An correspondingly with a drive gear of a gear reducer and a wheel mounted on its output shaft, and in the gear reducer casing there are annular grooves of trapezoidal section, in which the extreme incisors of the upper and lower parts of the drums are located with the possibility of movement in them. The device works as follows. The torque from gear reducer 4 is transmitted by the upper 1 and lower 2 parts of the drum along the chain: drive wheel 10 - two rows of parallel mounted gears 6, 7 and 8, 9 - drum wheel 11 - output shaft 3. Top 1 and bottom 2 parts of the drum make the destruction of an array of coal with incisors 5 and loading of the destroyed coal onto a conveyor drum, and also allows you to bring together the cutters 5 extreme cutting lines of the upper 1 and lower 2 parts of the drum by the size of the cutting step t. In this case, destruction of the pillar of the coal to the height of the gear-gear housing 12 is ensured5 0 five 0 , Torah 4. Invention Formula The executive body of the mining combine, including gear reducer, reducer housing, fitted with incisors upper and lower parts of the drum with a vertical axis of rotation, mounted on the output shaft of the gear reducer, characterized in that in order to increase the reliability of its operation by reducing the cutting step between adjacent extreme cutters of the upper and lower drums, gear reducer is made in the form of rows of parallel mounted gear wheels, each of which are connected by means of extreme gear wheels An correspondingly with a drive gear of a gear reducer and a wheel mounted on its output shaft, and in the gear reducer casing there are annular grooves of trapezoidal section, in which the extreme incisors of the upper and lower parts of the drums are located with the possibility of movement in them. 71 70