SU875062A1 - Mining entry-driving cutter-loader with drilling work-performing member - Google Patents

Description

The invention relates to mining engineering and can be used in roadheaders.: With a drilling actuator. A roadheader is known that contains an overlap mounted on the body of the combine by means of fl3 flashing struts. However, such a construction requires a large loss of time to move the combine during the erection of lining. : The closest to the proposed technical essence and the achieved result is a tunneling machine with a drilling executive body containing a shield of the executive body, a strut device and the overlap associated with hydraulic legs with the body of the combine 2 However, this design does not provide the combine with the maneuverability pursed overlap to the roof of the excavation. The purpose of the invention is to increase the maneuverability of the combine with compressed overlap to the roof of the excavation. This goal is achieved by the fact that the overlap with united with the shield by means of hydraulic jacks and spherical hinges, and the body of the combine is equipped with brackets that set prices on it by means of cylindrical hinges, while the hydraulic legs are hingedly mounted in brackets with the possibility of fixation by means of hydraulic chippers. working cycle, side view, in Fig. 2 - section A-A in Fig. 1, in Fig. 3 - section B-B in Fig. 1, in Fig. 4 - gauging with the grip-leg with installed in it hydraulically resistant and hydropatron ;. FIG. 5 shows a section B-B in FIG. four; in fig. 6 shows the connection of the overlap with the fence of the executive body; in fig. 7 - section G-Y in FIG. 6; in fig. 8 combine at the end of the working cycle while moving the overlap and the shield of the executive body; in fig. 9 - combine at the end of the working cycle with separate movement of the ceiling and fencing shield of the executive body of the combine. The design of the combine includes an overlap 1, which by means of spherical hinges 2 rests on four hydroracks 3. Each hydrorack 3 is mounted on a cylindrical hinge 4 in the bracket 5, having

the ability to swing on the cylindrical hinge 6 in the support 7, fixedly mounted on the body 8 of the combine. In the brackets 5, hydraulic cartridges 9 are fixed. the overlap 1 and the fencing off shield 11 of the executive body 12 by means of spherical hinges 13. The course of hydraulic cylinders 10, taking into account the safe passage for maneuvering, ensures the sliding of the overlap 1 and of the executive body clamping board 11 to the step of working upward movement of the executive body 12 of the combine relative to the hull 8 with the spacer devices 14. In the case 8 there are jacks 15 for supplying the executive body 12 to the bottom, together with 1 CITY 11.

In the initial position, the overlap 1 is installed with a guaranteed clearance relative to the barrier shield 11 of the executive body with fully retracted rods of the inclined hydraulic jacks 10.

During the work cycle of the combine, the overlap 1, which is constantly pressed against the roof by hydraulic supports 3 with a minimum retaining pressure to maintain the roof, slides along the roof following the retractable shield 11 of the nitral organ 12.

Hydraulics 3 together with the brackets 5 during the time of the working cycle and subsequent shifting of the body 8 of the combine with the spacers 14 swing against the hinges 6 on the supports 7 of the combine and the hinges 2 on the floor 1. Maneuvering the combine in transverse directions relative to the axis of the working output is carried out by spacers combine 14. At the same time, the overlap remains compressed to the roof of the mine, and the axis of the combine shifts relative to the axis of the mine to be produced. When the combine is displaced in the longitudinal direction of the hydraulic post. 3 are rotated in brackets 5 around cylindrical hinges 4. The gap between the overlap 1 and the shield of the actuator shield 11 and the spherical connections 4 13 in the eyes of the inclined hydraulic jacks 10 allows the barrier shield 11 to deflect the combine when maneuvering the combine. any direction relative to the overlap 1. When the overlap 1 is lowered, for example, for repair work, pressures are applied in the cavity of the hydraulic cartridges 9. The rods of hydropatrons 9 are advanced to the final position and fix gD-racks 3

in positions symmetrical about the vertical axis of the combine. Hydraulic cartridges 9 hold overlap1 in this position until the latter spread into the roof.

The overlap 1 can be moved when the actuator 12 is extended along with the shield 11 relative to the body of the combine. In such a case, the rod cavity of both of the hydrodomotors 10 of the overlap of the overlap is locked and the movement of the executive body along with the overlap is carried out by the jacks of the feed of the combine.

The overlap 1 movement can also be carried out independently of the executive authority. In this case, when executing the working stroke, when the actuator 12 is advanced, the overlap 1 remains in place, and the working fluid from the rod end of the hydraulic jacks 10 of the displacement overlaps into the tank. When the body and the combine are tightened to the executive body (idle), the overlap 1 is pulled to the executive body shield by displacement cylinders regardless of the combine feed jacks.

At any movement of the overlap 1 relative to the body 8 of the combine in the longitudinal direction of the hydraulic legs 3 swing on the axes perpendicular to the axis of the combine and press the overlap 1 to the roof. When the combine is maneuvered in a horizontal plane, the body of the combine shifts relative to its overlap in the direction perpendicular to the axis of the combine. The swiveling hydrorests 3 can be rotated in the brackets 5, if necessary, by hydraulic cartridges 9..

The use of the invention is: to improve the reliability of the enclosing device, since all functional units with the help of hydraulic devices have flexibility, besides, the overlap of the combine can work depending on specific conditions in several modes, i.e. the sequence of communications and mutual displacements between the overlap, the shield of the executive body and the body of the combine with the spacer devices, With - what, can vary. combine productivity is increased, since the removal of the overlap from the roof of the excavation before the combine maneuvering is eliminated, and labor-intensive work on manually breaking up and removing large rocks of rocks is eliminated, and the work of setting off bonfires in the void area is eliminated over constant lining

The application of the invention will also ensure reliable safety of operations

account for a constant preload overlap to the roof of the excavation.

Claims (2)

1. Author's certificate of the USSR 229388, cl. E 21 C 7/22, 1966. 2. Authors certificate of the USSR 509718, cl. E 21 C 7/22, 1974 (prototype). U Hery 33 of FIG. 3 w 53 in Figure 1 View Type B / Z- " ten S.4L FIG. KKS FIG. five / - / paved Yu Fig.T . 15 S 1 $ Fi.v srig.9