SU48066A1 - Clearing for a clearing a slab - Google Patents

Description

The development of thin layers of coal, similar to those found in the Donetsk basin, is carried out with the fixing of faces with the help of wooden or metal posts. The former are not economical due to the rapid wear of the wood, the latter represent the inconvenience of their installation and movement due to their weight and bulkiness.

The authors of the present application propose to mechanize the movement of the fixing metal posts of the working faces together with the conveyor following the movement of the coal face on a gentle fall, using hydraulic energy.

In FIG. 1 shows the general arrangement of the proposed device in the plan; FIG. however, the AB section of FIG. one; FIG. 3 is the same, view along arrow C in FIG. 1 and FIG. 4-part hydraulic cylinder with brushes located on both sides of the piston.

fluid (water, oil) serves as the driving force for moving the mount and the slats in the bottom, which is sucked from a reservoir located in the drift with the help of a pump installed in the driver.

together with the pump and supplied through pipes 8 to the bottom to the cylinders.

Here, the fluid is directed by means of taps 9 to one or the other side of the cylinder, through pipes II and 12, depending on the position of the struts and the need to move the latter.

In order to move the pillars 3 and 4 together with the beam 7 (Fig. 2), the liquid is directed along the left pipe 8 (Fig. 1) and is let in by the left valve on the left side of the cylinder, i.e. . In this case, the liquid, having pressure, transmits it to the piston of the cylinder 13.

The latter, under the influence of this, moves, and at the same time moves the rods 14, on which stands 3 and 4 are fastened, which are released at the top of the seam before moving.

When these racks are moved, the point of support for the cylinder is the main rack 2 with brackets rigidly connected to the cylinder 1 on its outer side.

Positions I and II are shown in PA (Fig. 1), giving an idea of the extended and retracted state.

pillars 4,, ihc at the goaf, and about the opposite state of the pillars 3, located at wabo.

As the pressurized fluid moves the piston in the cylinder on the left side, the fluid on the right side of the piston flows through the tube 12 (Fig. 1) and into the right tube 8, through which it is directed back to the reservoir standing on the gate along with the pump.

Thus, consistently, following the excavation of coal (especially during the mechanized loading of coal onto a conveyor or during the operation of a combine), all racks move along the lava. After the hemming and cleaning of the coal has been completed throughout the face, a movement of the conveyor must begin, which can be moved either by individual links (pan), or entirely by the whole face, depending on the natural local working conditions in the lava.

To move the conveyor racks, and with them the main pillars 2 with brackets, the fluid from the pump is directed along the right pipe 8 (Fig. 1) into three cylinders connected to each other by slats 6 of three sections, opening valves on all three cylinders at once . The latter, under the influence of the liquid pressure on their supporting surface, will move together with the conveyor grid 5 and the main beams 2 placed on them with brackets, which at this moment are freed from supporting the roof. When the cylinders are moved, the waste liquid from them is directed to another (left) pipe 8, through which it flows back to the reservoir on the valve. The plan (Fig. 1) shows the position of W shifted

crib with cylinder I and main pillars 2 with brackets. In the same FIG. 1 shows a flexible hose 10 which, when moving the conveyor pan and straightening cylinders, then, when moving the second pan, again assumes a loop-like position (as is the case between positions I and II). During the shifting of the pan 5, the cylinders 1 and the main pillars with the brackets 2, the extreme pillars 3 and 4, as well as the beam 7 resting on them, serving as an overlap, are fixed and stand motionless between the roof and the ground.

All racks 2, 3 and -4 are extendable in the vertical direction in order to be able to vary their height depending on the bedding conditions. In addition, in the case of a combine, the rack 3, located at the bottom, is provided with a hinge, in order to lower it onto the ground and thereby enable the combine to operate when transferring coal from the conveyor to the bottomhole conveyor. In order to better guide the movement of the upper rail 7 along the main rack 2 with brackets, a special cut-out (groove) is made for this.

The subject matter of the invention.

A movable metal mount for lavas, consisting of a beam, supported by three racks connected to each other in a section with a conveyor attached to them, characterized in that, in order to alternately move the racks, the middle column 2 is fastened to the hydraulic drive cylinder and two extreme racks 3 and 4 are fastened to the piston rod through the bearing.

to the author's testimony of I. S. Derusov and A. V. Plyushcheeva I 48066

J {

to the author's testimony of I. S. Deru owl and A. V. Plyushcheeva No. 48066

P.

4 s

rru-; .

g: tb - yy:

.:, s.