RU2120036C1 - Complex for delivery of ore in unit in case of sublevel caving and discharge under covering rock - Google Patents

Abstract

FIELD: mining industry, mining and transportation machines used for delivery of ore in breakage face while developing thick ore deposits by sublevel caving and discharge under covering rocks. SUBSTANCE: mobile ore gantry is manufactured in the form of sectional metering vessel having number of sections necessary for simultaneous operation of family of vibration feeders which are interjoined and put on guides anchored in ground and walls of delivery working. Vessel is equipped with drive of reciprocating motion installed in delivery working to house family of vibration feeders and unloading unit. Each section has left and right sides installed on antifriction members for movement and coupled to shafts carrying tipping-over plates of bottom which rest against guides when moving in delivery working and tip over while passing above discharge unit. EFFECT: design of complex for delivery of ore in unit that ensures simultaneous operation of family of vibration feeders and volume metering. 1 cl, 25 dwg

Description

 The invention relates to the field of mining transport machines and can be used in mining transport systems for ore delivery in the treatment unit when developing powerful deposits by floor caving and vibration output of ore under the covering rocks.

 For the development of powerful deposits by floor caving and the release of broken ore under the overburden, complexes consisting of vibrational units permanently installed under the outlet dams with loading ore into the wagons or train bunker were widely used.

 When loading ore into the car it is impossible to control the movement of ore in the treatment space at its contact with the overburden. A separate flow zone forms above each vibration unit, deviating in one direction or another, depending on the density and size of the material. As a result, many chaotic zones of flows with various levels of motion of contact between ore and overburden are formed in the treatment space. Mixing of ore and overburden occurs. Long-term practice shows that with such a complex of ore production and delivery, dilution makes up from 15 to 25%, and losses - 10-15%.

 A known method of producing ore with the formation of one common stream of rock mass in the treatment space of the block, which eliminates the mixing of ore and waste rock, significantly reduces losses. This is achieved by the fact that all the workings of the outlet in the unit are equipped with vibrating units, the distance between the workings of the outlet is selected so that the zones of material flows formed above them intersect at a low height. With the simultaneous inclusion of all vibration units in the treatment space of the block, one common stream of rock mass is formed, which eliminates the mixing of ore and overlying rocks and reduces losses. It is almost impossible to implement this method when loading into wagons and a train hopper. A device is known for transporting ore through a delivery mine (see, for example, AS No. 1564365, E 21 F 13/00), which includes drives with traction elements articulated with actuators on which working bodies and gutters are mounted, moreover it is equipped with spacer columns. Actuators are installed with constant pitch on spacer columns. Each actuator is made in the form of a U-shaped bearing and pivoting frames mounted for rotation around the axis of the spacer column and pivotally connected by the upper parts to the traction elements of the respective drives, while the supporting frame is pivoted by the lower parts pivotally to the working body, and in the lower parts of the pivoting the frames are grooves in which the working bodies are arranged to rotate and reciprocate. In addition, the installation step can be fixed and depends on the height of the actuator and the angle of rotation. As a drive, hydraulic cylinders can be used.

 The disadvantages of the known device are the complexity of manufacturing, low reliability when using large-sized material, which does not allow to fully implement the above method of dosed production and loading of ore.

 The closest in technical essence is the treatment delivery complex (see, for example, AS No. 1361352, E 21 F 13/00, 1987), including vibratory feeders for ore discharge, a working body with a vibration exciter, a mobile reloader, on the frame of which hinges and elastic supports mounted tray, belt conveyor, and the working body has opposing bevels, and the tray is equipped with a track located with the possibility of interaction with the bevels of the working body. In addition, the tray and the working body have a locking mechanism located with the possibility of their automatic connection. A disadvantage of the known technical solution is the impossibility of simultaneous operation of a group of vibratory feeders for implementing the method with the formation in the treatment space of the block of a single stream of rock mass. The objective of the alleged invention is the creation of a complex for the delivery of ore in the unit, providing simultaneous operation of a group of vibrating feeders and volumetric dosing. The problem is solved as follows.

 The mobile reloader is made in the form of a partitioned dosing tank with the number of sections that provide simultaneous operation from a common control panel of a group of vibrating feeders, at least three pieces, while the sections are fastened together and mounted on rails mounted on the soil and walls of the delivery output, and the drive is sectioned the dosing tank is made with the possibility of providing its reciprocating movement in the delivery working out under the group of vibration feeders and over the node ore unloading, each section consisting of port and starboard mounted on antifriction displacement elements and interconnected by shafts on which tilting plates of the bottom are mounted; when moving, they are supported by interchangeable strips of antifriction material on guides fixed on the soil of the delivery mine and tilting on discharge curves when driving above the ore discharge unit. In addition, the tilting plates of the bottom of the sections are made in the form of a sheet metal frame. covering the sleeve to accommodate the shaft, the Central part of the frame is filled with a damping material, such as wood, and on the outer surface of the frame is installed replaceable wear-resistant strips in contact with the guides mounted on the soil of the delivery workout.

 Significant differences of the proposed technical solutions are as follows.

 - The mobile reloader is made in the form of a partitioned dosing tank with the number of sections, providing simultaneous operation of at least 3 pieces from a common control panel of a group of vibration feeders.

 This technical solution allows the production and loading of ore at the same time as a group (justification of the number of vibratory feeders in the group is given below) of vibratory feeders, which forms a single stream of rock mass in the treatment space, excluding mixing of ore and overlying gangue. In order for the ore output to be uniform over the entire cross section of the block, the vibrating feeders are unloaded into a sectioned dosing tank. Each vibratory feeder unloads a certain volume (capacity volume under the vibratory feeder) of ore, after which all vibratory feeders are switched off. This ensures uniform release of ore from the block over the entire cross section. If for some reason (local hovering of the ore above the vibratory feeder, passage of large pieces) the container is not completely filled over any vibratory feeder, this vibratory feeder is individually turned on and the tank is filled. This will ensure a strictly metered release of ore from the block, thereby ensuring uniform lowering of the overlying rocks in the block. And in order to reduce the complexity of the installation and dismantling of the metered tank, it is made of sections, the size of which also provides transportation from the surface of the mine to the treatment unit at the place of operation.

 - The sections are fastened together and mounted on rails mounted on the soil and walls of the delivery workings.

 This technical solution allows you to directly mount the dosing tank from individual sections directly in the bottom of the treatment unit. The sections connected to each other can be used to transfer the forces of movement of the mobile crane, thereby simplifying the design of the drive.

 To reduce the resistance of movement of the mobile crane and simplify the design in the technical solution, it is assumed that the movement is carried out along special guides mounted on the soil and on the sides of the delivery output. In addition, this technical solution provides reliable performance at high shock loads.

 - The drive partitioned dosing tank is made with the possibility of providing reciprocating movement in sufficient development for a group of vibration feeders and above the unloading unit.

 This technical solution allows to simplify the design of a mobile crane. The length of the partitioned dosing tank can reach up to 100 meters or more, which allows you to develop a deposit with a capacity of up to 200 meters, with the location of the unloading unit in the middle part. In this case, up to 30 vibration feeders of 15 pieces in each of the sides can be mounted in the block. The reciprocating movement can significantly simplify the design of the ore moving organ due to the rejection of the idle branch. In addition, the reciprocating movement of the dosing tank when the discharge unit is located in the center of the block reduces the metal consumption of its manufacture. The reciprocating movement of the dosing tank along stationary guides allows you to create a solid structure that can withstand large dynamic loads of falling pieces of ore weighing 3-5 or more tons from a height of 2-3 meters and blasting operations for crushing oversized. Since the sectional dosing tank is made from separate sections, its length is determined from the conditions of use. For development of deposits of limited capacity up to 20 meters, when ore is mined by a group of 3-5 vibratory feeders, it is economically feasible to organize one flow in the treatment space, and a sectioned dosing tank should provide 3-5 vibratory feeders, and the unloading unit is located on one of the sides of the deposit . When developing fields with a capacity of more than 20 meters, it is advisable to place the unloading unit in the middle (by capacity) of the field, forming two flows in the treatment space, for example, 3 feeders on each side.

 - Each section consists of left and right sides mounted on anti-friction movement elements, and the sides are interconnected by shafts on which tilting plates of the bottom are mounted; when moving, they are supported by interchangeable strips of antifriction material on guides mounted on the soil of the delivery workout and tipping on unloading curves when passing over the ore unloading unit.

 This technical solution allows you to create a design that provides minimal resistance to movement of the partitioned dosing tank for delivery development. The sides reliably protect the guides mounted on the walls and soil of the delivery working out, which provides low resistance to the movement of the dosing tank. Displacement bearings are placed in the body of the sides, which can be made in the form of cylindrical rolling bodies with sliding bearings or sliding bearings, which ensures reliable operation under high dynamic loads. In addition, the sides reliably protect cable lines and drives of vibration feeders.

 The proposed technical solution allows you to create a simple design of the bottom, ensuring reliable operation at high dynamic loads and emptying the dosing tank when passing over the unloading unit.

 - In addition, the tipping plate of the bottom can be made in the form of a sheet metal frame covering the sleeves for placing the shaft, the central part of the frame is filled with damping material, such as wood, and on the outer surface of the frame there are replaceable wear-resistant strips in contact with guides fixed on the basis of delivery development.

 This technical solution ensures reliable operation of the dosing tank at high dynamic loads when large pieces of ore fall from vibrating feeders due to the impact damping by the tree. When driving along rails in the delivery workout, insignificant resistance to movement is provided due to small friction coefficients between wear-resistant materials. Replaceable wear-resistant strips make it possible to restore the working capacity of the plates with minimal repair costs. The frame construction of sheet metal plates provides its flexibility under shock loads, providing a large contact area with guides mounted on the soil of the delivery output.

 The essence of the proposed technical solution.

 The complex for ore delivery in the block, made in the form of a sectioned dosing tank mounted on rails mounted on the soil and walls of the delivery mine, ensures the simultaneous operation of a group of vibrating feeders with unloading a certain dose equal to the volume of the tank. After loading the tank, oversize is crushed, if necessary (when oversized pieces exit the treatment space, they can be crushed in a dosing tank and exhaust workings on vibrating feeders using explosives). After that, the sectioned dosing tank is moved over the discharge unit, the plates are tipped over, and the ore is poured into the vehicle or ore pass. With further movement along the guides, the plates are installed in a horizontal position, and the assembled dosing tank is fed and installed under a group of vibration feeders located on the opposite side of the unloading unit. The second group of vibration feeders is included in the work. A simultaneous dosed vibration release is conducted by the second group of vibration feeders with the formation of a second stream of rock mass in the treatment space. After filling the dosing tank, the vibratory feeders of the second group are turned off, the released ore is inspected, and, if necessary, large pieces are crushed with overhead explosive charges. Then the filled dosing tank is moved over the discharge unit, and the cycle repeats. So, with the reciprocating movement of the partitioned dosing tank under the first and second groups of vibrating feeders through the unloading unit is the release, secondary crushing, delivery and unloading of ore. The ore is discharged from the treatment unit in two streams in the treatment space, which significantly reduces the mixing of ore with overlying rocks and reduces losses. In addition, the tilting plates of the bottom of the sections are made in the form of a sheet metal frame covering the sleeves for the shaft, the central part of the frame is filled with damping material, such as wood, and on the outer surface of the frame there are replaceable wear-resistant strips in contact with guides mounted on the soil delivery generation, which increases the efficiency of the complex.

 Thus, the proposed technical solution has elements of significant novelty and usefulness.

 An example of the implementation of the complex for the delivery of ore in the block during floor collapse and with the release under the overburden and its installation in the delivery mine are shown in FIG. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 and 25, where in FIG. 1 shows a schematic diagram of the installation of the complex in the delivery development of the treatment unit, a vertical section; FIG. 2 - the same in plan; FIG. 3 is a cross-section of the delivery generation at the interface of the development of the vibratory ore output and the placement of the partitioned dosing tank; FIG. 4 - section of the dosing tank; FIG. 5 - the same in plan; FIG. 6 is the same, section AA (Fig. 4); FIG. 7 is the same as FIG. 6 during unloading; FIG. 8 is the same, view along arrow “a” of FIG. 4, (windows for accommodating the capture of the hydraulic cylinder moving the dosing tank); FIG. 9 - the same, node I, view in "b" (Fig. 4), a cylindrical rolling support of sections with a sliding bearing; FIG. 10 - the same, node I, view in "b" (Fig. 4), embodiments of the sliding bearings of the section; FIG. 11 - design of the plates of the bottom of the section of the dosing tank; FIG. 12 - the same in plan; FIG. 13 is an example of mounting the plate on the shaft of the bottom of the section for the end part, a fragment while moving along the guides of the delivery generation; FIG. 14 is the same as FIG. 13, when moving through a discharge unit; FIG. 15 is an example of mounting plates on the shaft of the bottom of the section beyond its middle, a fragment while moving along the guides of the delivery generation; FIG. 16 is the same as FIG. 15, when moving through a discharge unit; FIG. 17 - an example of the installation of the plate on the shaft of the bottom of the section between the end part and the middle, a fragment while moving along the guides of the delivery generation; in FIG. 18 is the same as FIG. 17 when moving through a discharge unit; FIG. 19 - design of the bottom of the dosing tank (transverse section); FIG. 20 - a device for cleaning channels under the bottom of the dosing tank (longitudinal section); FIG. 21 - the same, section bb (Fig. 20); FIG. 22 - the same, in plan, section BB (Fig. 20); FIG. 23 - node unloading dosage containers, a longitudinal section; FIG. 24 - the same in plan; FIG. 25 - hydraulic drive for moving a partitioned dosing tank.

 The proposed complex is intended for a method of simultaneous dosed vibration of ore from blocks in systems with mass caving and the release of broken ore under the covering rocks, the essence of which is that three or more vibrating devices are simultaneously released from the treatment unit with a dose equal to the volume of a portion of the dosing tank located under the vibrating device. Then, in a dosing tank, if there is such a need, secondary oversized crushing is performed by all known methods, including overhead charges of an explosive. Then, the dose of ore released and subjected to secondary crushing is delivered and unloaded to a vehicle or storage ore. After that, the partitioned dosing tank is loaded with a simultaneous dosed vibratory pass, and the operations are repeated. This method provides a smooth lowering of the ore in the treatment space over the entire section of the block, thereby eliminating its mixing with the covering waste rocks and significantly reduces losses. The specifics of simultaneous vibration of the ore directly from the treatment space (the ore is very heterogeneous in size and has separate pieces requiring crushing) imposes significant limitations, which require structural differences.

 When developing a powerful field 1 (the contours of the field are indicated along the hanging and lying sides), delivery development 2 is carried out (Fig. 1, 2). From the delivery workings 2 at a height of 1.5-2 meters, workings of release 3 are completed, ending in duchki 4 (davki workings passed up), through which the ore is released from the treatment space of the block. The distance between the dukes of 5-10 meters ensures the intersection of the flow zone at a low height (4-6 meters) in the treatment space. In each outlet 2, vibrational feeders 5 are mounted (we will conditionally call the right and left groups of vibratory feeders). The number of vibratory feeders in the group is from three to fifteen or more pieces. In the delivery workout 2 along its soil and sides are fixed guides 6, 7 (Fig. 3), for example, made of rails. The distance between the guides 7 (rails) of 0.3-0.7 meters to ensure sufficient strength at high dynamic loads. The guides 7 can be fixed on wooden supports 8 to mitigate shock loads. In the delivery workout 2, on the guides 6, 7, a partitioned dosing tank 9 is mounted, consisting of sections 10 (Fig. 1, 2), fastened together. Each section consists of left 11 and right 12 sides, connected by shafts 13 (Fig. 3, 4, 5). In the sides 11, 12 of the sections, displacement bearings are mounted, for example, cylindrical rolling bearings 14 (Fig. 4) with a sliding bearing 15. In addition, the section supports can be made with sliding bearings 16 (Fig. 10), for example, from PCB, silica graphite and etc. on the shafts 13 mounted tipping plate 17 of the bottom of the sections (Fig. 5). The plates 17 are made in the form of a frame 18 (Fig. 11, 12) made of sheet metal, covering the bushings 19, in the hole of which a shaft 13 is placed. The central part of the frame is filled with damping material, for example, wood 20. On the outer surface of the frame there are replaceable wear-resistant strips 21, for example, made of wear-resistant manganese steel. When the strip 21 is in contact with the guide rails 7, fixed in the delivery output 2. Moreover, during operation of the complex, one of the sides of the plate 17 alternately works, providing an increase in the working life. Five sleeves 19 can be installed in the plate 17, allowing it to be mounted in the bottom of the section in three versions (Fig. 13, 14, 15, 16, 17 and 18).

 The first option (Fig. 13, 14) - plate 17 by means of a sleeve in the end part and the shaft 13 is fixed to the end. When moving in the delivery workout along the guides 7 (Fig. 13), the load of the ore otted onto the plate 17 is evenly distributed 50% along axis 13 and strip 21. Through axis 13, the load is transferred to the sides 11, 12 (Fig. 4, 5) of section 10 and the rolling bearings 14 on the guides 7. Through the strip 21, the load from the ore pile is transmitted directly to the guides 7 (Fig. 13), the movement is carried out by sliding friction of steel on steel. During the passage of the plate 17 above the unloading unit, almost 100% of the load from the pile of ore is involved in overturning it over the ore pass (Fig. 14). This ensures good unloading of the sections of the dosing tank. This option can be used to deliver ore of any size.

 The second option (Fig. 15, 16) - the plate 17 through the sleeve in the Central part and the shaft 13 is fixed in the center. The load from the bulk of the ore is almost 100% perceived by the axis and through the sides 11, 12 (Fig. 4, 5) and the rolling bearings 14 are transmitted to the guides 7 (Fig. 3). Bands 21 perceive only the load from the uneven distribution of bulk ore. In this embodiment, the minimum energy consumption for moving the dosage tank along the guides in the delivery output. When passing over the unloading unit, the tipping of the plates 17 involves only efforts from the uneven distribution of the bulk ore, which complicates the unloading process. This option of fastening the plates 17 in the bottom of the sections of the dosing tank can be used for ores of fine crushing.

 The third option (Fig. 17, 18) - the plate 17 is mounted by means of an axis 13 in a sleeve located asymmetrically between the central and end parts. Depending on the amount of asymmetry, this option for the distribution of loads may approach the first or second options for mounting the plate in the bottom of the section.

 The design of the section 10 and the plate 17 allows you to mount any of the three above options without any changes and additions. Depending on the mining conditions, the option of mounting the plate 17 in the section of the dosing tank is selected. The sections of the dosage container are fastened together. The sides of the section are used in the transfer of effort to move. On the sides of the sections can be made window 22 (Fig. 8) to accommodate the capture of the hydraulic cylinder movement (described below). The number of sections 10 is determined by the total length of the metering tank 2, providing simultaneous operation of a group of vibrating feeders 5 located on the left or right side of the ore pass 6. For example, for an ore body power of 90 meters, the length of the metering tank should be 50 m, and it should support simultaneous operation thirteen vibratory feeders 5 (Fig. 2). For reciprocating movement of the metering tank 9, the complex is equipped with a drive. As a drive, pulling winches 22, 24 (Fig. 1, 2) or a hydraulic drive from hydraulic cylinders 25, 26, 27 and 28 (Fig. 24) can be used. In addition, the drive can be carried out by hydraulic cylinders 25, 26, 27, 28 and at the same time traction winches 23, 24 are used. The hydraulic cylinders are equipped with automatic grippers 30 with stops 31 that interact with the windows 22 in the sides of the sections 10. The unloading unit is equipped with unloading guides 33 (Fig. 23), by means of which a plate 17 of the bottom of the sections is supported during unloading of the dosing tank and restoration before installation under loading. To remove the spill under the dosing tank in the end section 34, a plow 35 is attached to the bottom (Fig. 20, 21, 22), by means of which the gutter between the guide rails is cleaned. For crushing oversized products in the delivery over a sectioned dosing tank in the immediate vicinity of the unloading unit can be installed butoes, made according to well-known technical solutions, or equipped with a place for blasting crushing large pieces. When assembling the complex in the chamber 36 (Fig. 2), the control panel 37 is equipped. Using the control panel, the right or left groups of vibratory feeder drives 5 can be activated. In addition, each vibratory feeder can be switched on by an individually portable device for turning on the vibratory feeder drive, made by well-known technical solutions.

 The complex for the delivery of ore in the block during a floor collapse and with the release under the covering rocks works as follows. The partitioned dosing tank 9 is installed, for example, under the left group, consisting of thirteen vibratory feeders 5 (Fig. 1, 2). From a single point 37, all thirteen vibratory feeders 5 are turned on at the same time. When vibro feeders 5 are turned on simultaneously, a single rock mass is formed in the treatment space, which, through the dough 4 and output 3, flows into a partitioned dosing tank 9, filling the volume for each vibrating feeder 5 ( Fig. 3). After filling the dosing tank, all vibratory feeders are turned off. Dosing capacity 9 is filled with a well-defined dose of ore. In the treatment space over the entire area of the block, the contact of the ore and the overburden fell to a certain height (due to the fact that a single stream formed over the entire area). Inspect the filling of the dosing tank. If necessary, install explosive charges into large pieces located in the dosage container 9, as well as in the exhaust openings 3 and vibration feeders 5. Explosive charges are carried out, and after ventilation the ore is transported by moving the dosage container 9 along the guides 6, 7 in the delivery output 2, for example, using a traction winch 24 (Fig. 1, 2). When moving the metering tank 9 over the unloading unit 6 (Fig. 23), the plates 17 of the bottom of the sections 10 tip over, sliding along the guides 32. Moreover, the process of the tipping of the plates 17 can occur along trajectories depending on the suspension scheme of the plate 17 on the shaft 13 (Fig. 14, 16, 18). The sections 10 of the dosing tank 9 are emptied. With further movement of the plate 17, sliding along the guides 33, they are installed in a horizontal position, and the sections in the assembled state are moved to load the right batch of vibrating feeders 5. During unloading of the dosing tank, it is possible to crush oversize using mechanical or other butchers installed above the dosing tank in the immediate vicinity of the unloading unit. When an oversize appears, the movement of the dosing tank stops (if such a need is required), a large piece is crushed, after which the process continues. The reciprocating drive of the metering tank 9 can be carried out from a hydraulic system, for example, including four hydraulic cylinders 25, 26, 27 and 28 (Fig. 24). Each hydraulic cylinder has a grip 30 with a stop 31 (Fig. 24, 25), interacting with the window 22 in the sides of section 10. When the dosing tank moves from left to right, as shown in FIG. 24, the hydraulic cylinders 25, 26 create a force of movement in the forward stroke, acting through the stop 31 in the windows 22. At the same time, the hydraulic cylinders 27, 28 create a force of movement in the "reverse" stroke. Under the total influence of the four cylinders, the metering tank 9 is moved stepwise.

 Having passed through the unloading unit, the dosing tank 9 is installed under the right group of vibration feeders. All vibratory feeders 5 in this group are turned on and dosing tank 9 is filled. After filling the dosing tank, all feeders are turned off, the ore is inspected, and secondary crushing is carried out if necessary. In addition, if, for some reason, under some vibratory feeder, a part of the dosing tank is unfilled, it is replenished by individual switching on. Then the tested ore in the tank is delivered and unloaded by means of a discharge unit. So the cycles are repeated.

 During the movement of the dosing tank through the plows 35 (Fig. 20, 21, 22), the channels between the guides 7 are cleaned. As the strips 21 wear on the plates 17 of the bottom of the section 10, they are replaced. Due to the fact that the strips 21 are made of wear-resistant steel at a specific pressure not exceeding 10 kg / sq. Cm, the service life ensures the release of the unit to the entire floor height. To produce a block with a floor height of 70 meters, less than 1000 movements of the dosing tank for loading and unloading will be required. The use of plates with reinforcement of the central part of the tree, as shown by practical verification, ensures reliable operation under high dynamic loads, including blasting operations for crushing large pieces of ore.

 The moving dosing tank allows servicing vibrating feeders with empty delivery output, during loading and blasting operations to crush oversize, reliably protect the drives and starting equipment and conductive cables with the sides of the partitioned dosing tank.

 Thus, the complex for ore delivery in the block during a floor collapse and with release under the covering rocks allows to reduce ore dilution, to reduce its loss in the treatment space, to ensure the release and delivery of almost unlimited performance.

Claims (2)

 1. Complex for ore delivery in the block during a floor collapse and discharge under the covering rocks, including vibratory feeders, each of which has a working body with a vibration exciter, a vibration exciter control panel, a mobile reloader, an ore unloading unit, characterized in that the mobile reloader is made in the form of a sectioned dosing tank with the number of sections providing simultaneous operation from a common control panel of a group of vibration feeders, at least three, while the sections are fastened together and mounted on rails mounted on the soil and the walls of the delivery mine, and the drive of the partitioned dosing tank is made with the possibility of its reciprocating movement in the delivery mine under a group of vibrating feeders and above the ore unloading unit, each section consisting of left and right sides installed on antifriction movement elements and interconnected shafts on which tilting plates of the bottom are mounted; m of removable strips of antifriction material on guides fixed on the soil of the delivery mine and tipping over on discharge curves when passing over the ore unloading unit.  2. The complex according to claim 1, characterized in that the tipping plates of the bottom of the sections are made in the form of a sheet metal frame, covering sleeves for placing the shaft, the central part of the frame is filled with damping material, such as wood, and replaceable wear-resistant strips are installed on the outer surface of the frame, contacting during the work with the guides fixed on the soil of a delivery working out.

Images