SU899968A1 - Installation for separating stones - Google Patents

Description

(54) INSTALLATION FOR STONE SEPARATION

I

The invention relates to the mining industry, mainly to the extraction of natural stone.

A wedge-type device for the destruction of rocks is known, which consists of a hydraulic cylinder, a wedge with a rod, and a working executive body, including the cheeks, walls and casing 1.

The disadvantages of this device are: low productivity, the need for high fluid pressures in the hydraulic cylinder and communication networks, the need for drilling holes in the rock to be destroyed.

Closest to the proposed technical solution is an installation for drilling wells, including a transport base and a frame with feeders. Drill rods 2.

The disadvantages of this installation are: using only the rotational drilling method and the complexity of the design, caused by the two-row arrangement of the drill heads, the presence of a container for liquid water-filled explosives, a safety screen, etc. Moreover, the installation provides only drilling parallel

wells, and is not applicable when separating blocks from an array. Therefore, when it is used in quarries of facing stone, the utilization rate of the installation is very low and low productivity.

The purpose of the invention is to increase productivity.

The goal is achieved by the fact that the installation for separating a stone includes a transport base on which a lifting frame with feeders having drill heads with carriages and drills is installed, the lifting frame being provided with a wedge plate with spring-loaded suspensions, with The plate has recesses for an emphasis, drills. Lifting plate provided with jacks feed.

15

FIG. 1 shows the installation design, general view; in fig. 2 - lifting frame, view. In plan; in fig. 3 - the position of the lifting frame when drilling holes; in fig. 4 - the position of the lifting ra20 we when driving wedges.

Claims (2)

The stone separation unit consists of a transport base 1 (for example, a tractor excavator), a lifting frame 2, feeders 3, drill heads 4 with carriages 5, a plate 6, attachment points 7 and a control panel 8. The lifting frame of the installation is a metal frame 9 on which pipe 10 is fixed with fittings 11 for supplying compressed air, a system of flexible hoses (not shown) and jacks 12. The extendable ends of the 13 jacks are equipped with shoes 14 for better support on the array. The plitas frame of the lifting frame is connected by hinges 15, which can be rotated around the axes 16. The plate has a wedge 17, located along the axis of the drills in the direction of the bottom, and notches 18 from the opposite side of the wedge. The plate is attached to the hinges on suspension-19 spring-loaded springs 20. The position of the hinges is fixed by a lock-stopper 21. The installation is located on the array 22. The drill heads are equipped with drills 23 and cutting crowns 24. The drills are centered by lunettes, 25 feeders. The same feeders move the carriages by cable 26 as the holes 27 are drilled. When the blocks are spalled, the cutting crowns are replaced with spherical crowns 28, and the cheeks 29 are placed in the holes. The unit for separating the blocks works as follows. The installation drives up to the place of extraction of the blocks by the driver with the help of mountings 7, at the required distance from the side exposed surface of the array 22, the lifting frame 2 so that the axes of the drill heads coincide with the plane of spalling. In this case, the plate 6 on the hinges 15 must be turned to the side and its wedges are directed upwards. In this position, the hinges 15 are secured with a lock-stopper 21. Next, the driver connects the pipe 10 with a source of compressed air, and the nozzles 11 with consumers of compressed air (feeders 3 and boring heads 4). Then, drill bits 23 with crowns 24, which are fixed by lunettes 25 of feeders 3, are inserted into the drill heads 4. After switching on the drilling heads 4 to the operation mode, feeders 3 move them on carriages 5 by means of cable 26 as drill bits 27 in the mountain massif 22. When the holes 27 are deepened to the required depth, drilling is stopped, ayut and the carriages 5 with drill heads 4 are returned to their original position, after which the drill bits 24 are replaced with non-cutting crowns 28 with a spherical outer surface of radius less than A recess 18. Then with jacks 12 feed frame 2 is lifted, and the hinges 15 with plate 6 are turned and lock-stopper 21 is fixed so that the wedges are trimmed is the side of boreholes 27. Then these two holes are inserted into the holes with a jack 12 feed gradually lowering down until the wedge 17 with its pointed ends enters the hole between the cheeks, after which the feed jacks 12 turn off and turn on the hydraulic system of the mount assembly 7 for the frame feed down, and the drill heads for drilling mode. This leads to the fact that the wedge 17 is simultaneously affected by the static load from the hydraulic system and dynamically from the impacts of the drill heads 4 through the drills 23 and spherical crowns 28. Under the action of these loads, the wedge 17 is subject to the conditions of a vibratory immersion, i.e. they move with greater speed and require less energy to move as compared to hydroclyses of static action. The movement of the wedge spreads the cheeks in the pin, which leads to the spalling of the block from the array along the line of the pin. The use of the unit for the separation of stones in quarries (and quarters) will make it possible to completely mechanize the process of separating blocks of natural stone and cutting over-dimensions, sharply reduce manual work and increase labor productivity. The greatest efficiency from the use of a unit for separating stones is achieved by extracting blocks of strong and very strong rocks, such as granites, which are still developed due to the lack of mechanization by hand or by blasting. Claims 1. Stone separation unit, including a transport base, on which a lifting frame is installed with drillhead feeders with carriages and drills, characterized in that, in order to increase productivity, the lifting frame is equipped with a spring-loaded hinge plate with it with wedges mi, while the plate has grooves for stopping the drill. 2. Installation for separating the stone according to claim 1, characterized in that the lifting frame is provided with feed jacks. Sources of information taken into account in the examination 1. USSR author's certificate number 163570, cl. E 21 C 37/02, 1964. 2. USSR author's certificate number 320610, cl. E 21 C 11/02, 1970 (prototype).