PL150385B1 - Filling dam type roof support - Google Patents

Description

PATENT DESCRIPTION

150 385

Additional patent to patent no. Pending: 86 03 28 / P. 258692 / Priority CZ and * ELNIA

U * Patent idiu

Int. CI. ⁵ E21D 23/06 E21F 15/08

OFFICE PATENT Application announced: 88 02 16 RP The patent description was published: 90 07 31

Creators of the invention: Henryk Trembaczewski, Marek Flak, Kazimierz Spałek, Grzegorz Stawiński, Adolf Drewniak

The holder of the patent: Przedsiębiorstwo Mechanizacji, Automatyzacji and Elektroniki Górniczej Polmag-Emag Fazos Mechanized Wall Casing Factory, Tarnowskie Góry / Poland /

MOUNTAIN HOUSING

The subject of the invention is a mining backfill, used in mining for mechanized extraction of minerals in a backfilling system. It is known from the application of the invention No. P 254 577 pt. Mining powered support for operation with a backfilling a structural solution for the support which has a device for suspending, shifting and lifting - lowering the backfilling pipeline. The device has a trolley slidably suspended under the canopy, which trolley is moved by a slide actuator. integrated with the lifting cylinder. A tie rod is attached to the lifting cylinder, supported on a shaped roller and holding the filling pipeline. The shift and lifting cylinders are attached alternately to the canopy structure, depending on the slope of the mining excavation.

In the event of an inclination, the trolley travel cylinder is always higher, the cylinder of which protects the lift cylinder piston located below. The bottom of the thrust cylinder is directed towards the filling space and connected to the carriage, and the thrust cylinder piston is connected to the canopy's eye. The bottom of the lifting cylinder cylinder is directed towards the extraction wall and connected to the displacement cylinder, and the lift cylinder piston rod is connected to the tie rod on which the backfilling pipeline is suspended. The displacement cylinder and the lifting cylinder are preferably combined with divided clamps, at least one of them being slidably arranged on slats connected to the canopy of the mining powered support.

The disadvantage of the known solution is that the lifting and shifting cylinders are connected with clamps and their mounting depends on the structure of the mining canopy of the support. Such a solution makes the assembly of the trolley unit difficult and weakens the strength of the canopy, due to the enlargement of the tunnel in which the set of actuators is placed together with clamps and slats, on which at least one of the clamps is suspended. It is also very difficult to assemble the actuator assembly, after

150 385 before putting them into the canopy.

The object of the invention is to overcome these disadvantages and to construct a mining support housing that has a canopy with a relatively narrow tunnel housing a set of lift and displacement actuators, and the connection of the actuators ensures their assembly with the carriage assembly before placing them in the canopy, with the external dimensions of the actuator assembly being in accordance with cross-section as small as possible. This object is achieved in accordance with the invention, in which the mine propeller support has a detachably attached assembly of propeller pipeline shifting and lifting actuators so that its displacement actuator is connected to the lifting actuator via a linkage. The linkage is inseparably connected to the movable part of the displacement cylinder and releasably to the cylinder of the lift cylinder. The movable part of the displacement cylinder is each of the structural elements associated with the extending piston rod, in particular: piston rod casing pipe, piston rod head or extension. The connector is detachably connected to the cylinder end with at least one ear, while the ear is simultaneously detachably connected to the clamp surrounding the casing pipe of the displacement cylinder. Preferably, the connector has two connecting lugs. The connector is designed in the form of a flat bar with a hole cut in the center, preferably in the shape of a rectangle.

The subject of the invention in an exemplary embodiment is shown in the drawing, in which Fig. 1 shows a bottom view of the canopy of a mining support housing with a set of actuators, Fig. 2 shows a view of the connector. The roof riser 1 of the mining support support has a tunnel 2 in which a set of actuators is located. The travel cylinder 3 is connected with the lifting cylinder 10 through the connector 8. The connector 8 is inseparably connected with the extension 7 of the shift cylinder 3, and can also be connected to the casing pipe 5 or the head 6. The shift cylinder 3 is connected with the cylinder 4 to the canopy structure 1. The coupler 8 has an opening 9 into which the cylinder 11 of the lift cylinder 10 fits. The lift cylinder 10 has a piston rod 12 to which a tie 13 is attached to support the backfill pipe. The connector 8 is detachably connected to the end 20 of the cylinder 11 with at least one ear 14 through a pin 16 embedded in the holes 15. At the same time, the ear 14 is detachably connected to the clamp 17 through the pin 19 stuck in the holes 18. The clamp 17 surrounds the casing pipe 5 of the displacement cylinder 3.

Claims (5)

Patent claims 1. Mining support housing, which in the roof canopy has a recess in the shape of a tunnel open at the bottom and a set of actuators for shifting and lifting the filling pipeline is detachably attached in this tunnel, characterized in that its displacement actuator / 3 / is connected with the lifting actuator / 10 / via a connector / 8 /, which is inseparably connected to the movable part of the slide cylinder j5l, and detachably connected to the cylinder / 11 / lifting cylinder / 10 /. 2. Mining casing according to claim 1, characterized in that the connector / 8 / is detachably connected to the end / 20 / of the cylinder / 11 / with at least one ear / 14 /, the ear / 14 / is simultaneously detachably connected to the clamp / 17 / surrounding the casing pipe / 5 / shift cylinder / 3 /. 3. Mining housing according to claim 2. The connector as claimed in claim 2, characterized in that the connector / 8 / preferably has two ears / 14 /. 4. Mining housing according to claim A device as claimed in claim 1, characterized in that the connector / 8 / has an opening / 9 / into which the cylinder / 11 / of the lifting cylinder / 10 / fits. 5. Mining housing according to claim 4. A method according to claim 4, characterized in that the opening (9) is rectangular. 150 385 9 β η Γ Γ ~ Ęfcn-, Αρ · 2