SU361284A1 - EXECUTIVE BODY OF THE PASSAGE COMBINE - Google Patents

Description

The invention is intended for use in the mining industry in roadheaders. The executive bodies of roadheaders, including the boom with cutting disks located in pairs and a gearbox, are known in pairs. The proposed actuator differs from those known in that the cutting discs of one row are mounted on the output shafts of the gearbox, and the cutting discs of the other row are connected to the boom by a hydraulic cylinder and a gear wheel with a gearbox. This reduces the amount of exposure of the roof above the combine. FIG. 1 shows a diagram of the proposed executive body; in fig. 2 is a section along A-A in FIG. one; in fig. 3 is a section along BB in FIG. 2; in fig. 4 is a view along arrow B in FIG. 2; in fig. 5 and 6 is a diagram of the work of the executive body. The actuator includes a boom / with cutting disks 2 and 3 mounted on it. The disks are designed in such a way that the diameter of the smaller disk 2 is equal to or smaller than the diameter of the larger disk 3 according to the fists. The disks of the first row are mounted on the swivel head 4, including movable gear 5 and cup 6 of the bearing assembly. Second-row discs are mounted on the output shafts of the gearbox 7, in which the dispensing brush 8 is located to transmit torque to all the discs. The cup 6 is rigidly connected with the Segmento 9, moving inside the gearbox 7, in the bore of which there is a sealing device (not shown in the drawings) isolating the gear 5 and 8 from the external environment. The swivel head 4 is rotated relative to the gearbox 7 by means of a hydraulic cylinder 10 mounted on the jib of a combine. Gear 5 rolls back over transfer gear 8. The discs are equipped with end teeth that come in contact with the destruction of the TOvTbKo v edges array (Production, and the arrow of the combine is made with jacks that move it at the bottom face processing. Placing the cutters on the front side of the disc allows you to eliminate conical shape of the side of the mine, which can occur when machining the bottom only with radial incisors. The exposed space with an unstable roof can be reduced during the cutting by the stroke of the hydraulic the cylinders W. A suitable installation gear 8 can provide a different direction of rotation of cutters of the first and second rows, and consequently, cheers vioveshennost ispolshtelnogo body in a vertical plane that is stable snosobstvovat raboge harvester.

The preparatory treatment of the proposed executive body is carried out as follows.

The raised executive body, which boasts a swinging movement in the horizontal plane, is fed to the bottomhole to a depth of cut D. At the same time, the feed rate is such that the executive body successively processes the bottomhole with chips, the maximum value of which does not exceed the flight of the teeth. Having deepened by the value of D, the harvester is no longer supplied to the face.

After the formation of a penny executive

the body, making swinging movements in the horizontal plane, lowers at the beams of the excavation by the thickness of the chips and processes the bottomhole to the working soil.

Subject invention

The executive body of the roadheader, which includes an arrow with cutting discs arranged in pairs, and a gearbox, characterized in that, in order to reduce the amount of roof exposure above the combine, one row of cutting discs are installed on the output shafts of the gearbox, and the other row cutting discs are connected with an arrow hydrocylpndrom and shcheresney with a reducer.

9 7

-t

fig 2