Shuttle coal cutter machine

FIELD: mining.

SUBSTANCE: invention relates to rock cutters and is intended for mechanisation of mining. Proposed machine comprises body, control board, hydraulic tools, motor and reduction gearboxes. It is provided with two cutting shafts and two cutting chains engaging gear wheels of reduction gearbox output shafts with those of actuator cutting shafts. Machine body is composed of two identical parts made of solid metal sheets with recesses to receive bearings of actuator shafts. Said shafts support cutoff cutters arranged 0.15 m one from another perpendicular to cutting shaft axes. Note here that every cutter is locked on shaft by key and is composed of two halves locked on shaft by steel plates and bolts. Additional cutters are welded to every tooth of cutter on both sides at 30 to each other. Lengths of cutting chains are welded between planes of cutters over cutting shaft length. Hydraulic tools represent a cabinet provided with tube lengths welded thereto to receive hydraulic jacks fitted therein with rods provided with hydraulic wedges welded thereto to fit in coal slots made by working cutters.

EFFECT: simplified design, better coal quality.

4 cl, 4 dwg

 

The invention relates to mining machines and is designed for mechanization of mining, such as coal, oil shale, mineral salts and other underground way and may find application in long faces with angle of incidence fine and medium reservoirs to 35 with the roof rocks and soil of the reservoir is not below average stability.

Known coal combines, including Executive agencies, is fixed on the rotary gears associated with the motor, and the feed mechanism with a hydraulic pump (see Vgetty, Mining machines and complexes. - M.: Nedra, 1984, s). Harvester 1gsh68 cutter-headers designed for mechanization of coal extraction in Stopes shallow reservoirs with a capacity of 1.25-2.5 m (two sizes) with the angle of incidence of the reservoir to 35. The harvester consists of a hydraulic transfer mechanism and the motor with a continuously variable automatic regulation of the speed of the two motors with water cooling, working on a common shaft, the power generating unit, two main and two rotary gears, two augers mounted on the output shafts of the rotary gear and smoothly adjustable removable capacity of the reservoir by hydraulic cylinders. There are also two cargo flap behind augers, dust and pleurotaenia system. The management processor, the pipeline and the safety winch (at an angle of Pade the Oia layer over 9) is carried out by automatic control system with remote control. The harvester can produce hollow coal along chelnokova or unilateral scheme with a curving frame or solid-movable scraper conveyor in combination with mechanized roof supports.

The disadvantages of this uzkozahvatnoj harvester operating on the continuous array of carbon and no additional plane outcrops are low grade of coal produced (only 1/3 of the output of large-middle grades, and 2/3 of the production - Stabi and fine grade coal). This is due to the structure of its Executive working bodies (screws), which are forced to cut along the solid array of coal.

Closest to the proposed invention is Shearer 4LS20 firms joy, guaranda, USA (see Valery Morozov, shearers, Handbook, Moscow state mining University, 2006, s-398) for seams of medium thickness.

The harvester consists of two screw Executive bodies that are posted on the ends of the shell, adjustable hydraulic jacks swivel handles, which consist of a gearbox and a cross-section located electrodevices. The Shearer made in the form of three nodes connected by a bolted joints. They house the unit, consisting of a power generating unit and a pumping station to supply its electric motor, located across the hull, and two feeder with electric drive. The feeders have an eye on what I'm fixing rotary handles. The movement of the harvester through a chainless feed system. The Shearer is located above the conveyor and rigidly connected with it dammed the supports. Downhole skiing is not adjustable. The harvester is equipped with a rotating loading shields driven by hydraulic jacks placed in the swivel handles. Management combine manual and remote. The harvester can work on a bilateral or unilateral scheme together with mechanized support and scraper conveyor.

Disadvantages combine 4LS20, taken as a prototype, is the design complexity, bulkiness, high weight (43,2 t), when the groove is not created) by the plane of the outcrop of the formation, the low grade of coal.

An object of the invention is to simplify the design of the machine, reducing its weight, improve the grade of coal.

The goal of the project is ensured by the fact that chelnokova uparatna machine, comprising a casing, Executive bodies, hydraulic equipment, electric motors and gearboxes equipped with two cutting shafts and two cutting chains connecting the sprocket-gear output shafts of the gear wheels-gear cutting shafts Executive bodies, the machine body is made of two identical parts of a solid metal sheet, fitted new the kami to accommodate the bearing sockets for installation in them cutting shafts Executive bodies, have cutting cutter at a distance of 0.15 m from each other perpendicular to the axes of the cutting shaft, each cutter mounted on the shaft with keyway and is made of two halves, mounted on a shaft of steel plates and bolts; each insert cutters with two sides (top and bottom) are welded additional cutters at an angle of 30 between them; between the planes of the blades along the length of the cutting shafts are welded segments of the cutting chains, hydraulic tooling is made in the form of a Cabinet equipped with welded thereto lengths of pipe along the length of the Jack, in which is inserted a hydraulic Jack with welded on them the stem of hydroclimate within the slots of the coal done working cutting tools. The upper bearing socket cutting shafts mounted in the longitudinal beams supporting the cutting shafts that connect the cutting shafts with hydroscape and lower bearing sockets mounted in part of the body operatei machine. Engines and gearboxes pairs are located in planes perpendicular to the roof and the soil layer and perpendicular to the axis of the machine. Each part of the body operatei machines with their own remote control.

Uparatna the machine is equipped with two cutting shafts and two cutting chains connecting the sprocket-gear output shafts of the gear wheels-gear cutting valuesonly bodies. This allows to obtain more of the plane of the outcrop of the coal seam at operatei machine down lava, and as it moves up the longwall mining of coal.

For the implementation of the bilateral chelnokova production casing operatei machine consists of two identical main parts (halves), of which the left is working when driving it down the lava, while working on the excavation of coal. The right part is considered to be working when moving it up lava when working on the excavation of coal.

The machine body is made of two identical parts of a solid sheet metal, provided with grooves for accommodating the bearing sockets for installation in them cutting shafts Executive bodies. Thanks to this performance chassis improves maneuverability operatei machine when performing oblique races on the face ends.

On the cutting shafts of the Executive bodies established cut-off cutters at a distance of 0.15 m from each other perpendicular to the axes of the cutting shafts. This provides a preliminary selection of coal coming in large-medium sort before then crushed it overloads and ensures the normal distance of the blades when their replacements.

Each cutter mounted on the shaft with keyway and is made of two halves, mounted on a shaft of steel plate and and bolts. This is done to simplify maintenance of the cutting shafts operatei machine. With this design, you can remove any of the cutters of the cutting shaft, which must be replaced as they wear.

Each insert cutters with two sides (top and bottom) are welded additional cutters at an angle of 30 between them. This contributes to the fact that the plane of the cutters of the lower and upper't RUB about coal and longer serve.

Between the planes of the blades along the length of the cutting shafts are welded segments of the cutting chain to the cutting shaft cut their way in the array coal.

Hydraulic equipment is represented in the form of a Cabinet equipped with welded thereto lengths of pipe along the length of the Jack to ensure its stable position.

The hydraulic jacks with welded on their rods with hydroclimate within the slots of the coal, work done cutting cutters, ensure the destruction and collapse of the clipped stacks of coal.

The upper bearing socket cutting shafts mounted in the longitudinal beams supporting the cutting shafts that connect the cutting shafts with hydroscape and lower bearing sockets mounted in part of the body operatei machine. This helps the cutting shaft to maintain a stable working position.

Engines and gearboxes pairs are located in planes perpendicular to the roof and the ground layer and the axis of the machine, which gives the possibility of the ability of the wheels to the gear output shaft gears and wheels-gear cutting shafts with cutting chains to make the bottom of the undercut layer zarubei slit, height of 150-160 mm, i.e. creates an additional plane of the outcrop of the seam of coal.

Each part of the body operatei machines for facilities management right and left parts, with the purpose of concentration of the driver supplied with your remote control

The invention is illustrated by drawings, where figure 1 - General view of chelnokova operatei machine from above; figure 2 - General view of the machine from the front when driving on lava; figure 3 is a cross-section of the cutting of the Executive body with the main conveyor; figure 4 - hydraulic system operatei machine.

Chelnokova uparatna machine consists of two identical housing parts 1 and 2, made of solid sheet metal of the same size, each of which is bent in the form of a winding key of an old car with the necessary cut-outs for mounting the lower bearing sockets 5 and 6 for the cutting shafts 3 and 4, the cutouts for installation of rollers to reduce friction operatei machine on soil generation, cutouts 57 and 58 for primaporta Windows for incoming coal, which are overdoing it on the main conveyor 65.

The housing parts 1 and 2 are mounted milling Executive bodies, which is a vertical shafts 3 and 4, which have their lower ends seated in the lower bearing sockets 5 and 6 mounted in the housing parts 1 and 2, and its upper end is seated in a bearing socket 7 and 8, mounted in the region of the longitudinal beams mounting the vertical shafts 9 and 10. And at the bottom of the vertical shafts 3 and 4 are mounted sprocket-gears 11 and 12 with a deaf boarding and keyway. The shafts 3 and 4 are wheel-gears 11 and 12 so that could be planted in the lower bearing sockets 5 and 6. Then the vertical shafts 3 and 4 are put in the lower bearing sockets 5 and 6 and set in the marked places on the shafts 3 and 4 cut-off cutters 13 and 14 through a 0.15 m from one another, the dowel pinning each of them on the shafts 3 and 4. Then mestrenova distances on vertical shafts 3 and 4 scald cuts cutting chain 15 and 16, so that the shafts 3 and 4 steel cutting. On each insert cutters 13 and 14 must be welded on two cutter 17 and 18 above and below an angle of 30 between them. The upper ends of the cutting shafts 3 and 4 are put in the upper bearing socket 7 and 8 are longitudinal beams mounting the vertical shafts 9 and 10. After vertical shafts 3 and 4 with the cutters 13 and 14 are planted in the bearing socket 7 and 8 and 5 and 6, the other ends of the longitudinal beams of the mounting vertical shafts 9 and 10 with bolted connections are attached to the lids of Geroskipou 21 and 22 of the hydraulic system or welded thereto.

Hydraulic tooling consists of Geroskipou 21 and 22, their Nizami welded to the housing parts 1 and 2 operatei machine, inside which are cm is Laden barrels 23 and 24, they are like communicating vessels with the receivers 25 and 26, which are connected with hydraulic pumps and power steering 27 and 28, from which depart the pressure hoses (hydraulic hoses 29 and 30 to the housings of the hydraulic jacks 31 and 32, the rods 33 and 34 which are welded hydroline 35 and 36. In addition, for a more durable installation of hydraulic jacks 31 and 32 on the walls of Geroskipou 21 and 22 are welded pieces of pipes 37 and 38 along the length of the jacks and with a diameter somewhat larger diameter hydraulic cylinder. In these pipes 37 and 38 of the hydraulic jacks 31 and 32 are set by hydroclimate 35 and 36 in the plane with the cut coal grooves 39 and rasklinivanie (fixed) in this position.

The motors 40 and 41 and the gears 42 and 43 are installed perpendicular to the roof and the soil layer and bolted and corners on the rear wall Geroskipou 21 and 22, as shown in figure 1.

The output shafts of the motors 40 and 41 with a cylindrical gears 44 and 45 are connected to the input shafts of the gears 42 and 43, and the output shafts of the gears 42 and 43 with the output wheel-gear 46 and 47, connected with wheels-gears 11 and 12 of the cutting shafts 3 and 4 with the help of cutting chains 48 and 49.

To improve maneuverability operatei machine when performing oblique races, each of the housing parts 1 and 2 operatei machine has lugs 50 and 51 for coupling 52 between them.

The inclusion of cutting parts operatei machine and the inclusion of the fur the isms supply is carried out from the control panels 19 or 20 of the housing parts 1 and 2.

After you enable the cutting part includes the feeder operatei machine, made in the form of blocks 53 and 54. With it enabled, the machine hydraulics (hydraulic pump with hydraulic booster 27 and 28). Her work lies in the fact that hydroline 35 and 36 welded to the rods 33 and 34 of the hydraulic jacks 31 and 32, under the action of pressure of the emulsion are in the slots of the coal 39 done cutting workers cutters 13 and 14. Hydroline 35 and 36 chip and obresult down to the housing parts 1 or 2 operatei machine pieces of coal in meiresonne downhole ledges. It is important that the contour of the bottom in the cargo compartment had an angled shape that facilitates the process of shipment of coal through primaporta window 57 and 58 on the main conveyor 65. To prevent clogging of coal maidencraig void set flaps 59 and 60 for the left and right halves operatei machine.

To facilitate loading of coal on the main conveyor 65 is also provided installation plowshares 61, 63, 62 and 64 in the two housing parts 1 and 2 operatei machine done in them holes for the passage of hydraulic jacks 31 and 32 with hydroclimate 35 and 36.

The feed mechanisms 53 and 54 operatei machines are installed on the housing parts 1 and 2 hanging over the main conveyor 65, just behind priemootpravochnye Windows 57 and 58. They work as described in the book Vgetty, Mining machines and complexes. - M.: Nedra, 1984, p.114-115. At lerena machine will mix in the frame of the face conveyor 65 by means of the wheels 67, which rolls on the rod 68 having rollers-pins 69. The rail 68 is fixed on a Board face of the conveyor 65. In contact with the rail 68 uparatna machine is held by the grippers 70. Section slats 68 are installed on sections of the face conveyor 65 to the bracket 71.

Then install the electric blocks 55 and 56 of the left and right parts of the body operatei machine. Management of main conveyor 65 operatei machines and units feeders 53 and 54 is carried out with the remote control 19 for the left half of the machine and from the control Board 20 to the right side of the machine.

Uparatna the machine works on chelnokova scheme to frame the face conveyor 65, without niches Samothraki method of removing oblique bands of coal. Front, in the course of the machine, milling the Executive body consists of the cutting shaft 3 mounted on the wheel gear 11 and cutters 13, the teeth of which on both sides of the cutters and angle of 15 relative to the plane of the cutter welded additional cutters. Vertical shaft 3 is driven by a gear 43 when the motor 41 through the cylindrical gear 45. Then, from the output shaft of the reduction gear 43 torque of the electric motor 41 is transmitted to the wheel gear 11, which is rigidly planted on a vertical shaft 3 of the gear 43 and nakalyaetsya cutting chain 49. Then after cutting the chain 49 torque moment is transmitted to the wheel gear 11, on which the cutting chain around his neck 49. Wheel-gear 11 firmly planted on the cutting shaft 3 which passes through the wheel gear 11, and its lower end seated in a bearing socket 5, installed in part 1 of the housing operatei machine. The upper bearing socket 7 of the cutting shaft 3 is mounted in the longitudinal beam 9 mounting the cutter shaft 3. Cutting the shaft 3 rotates, cuts himself a road in the array coal, as between the planes of the blades 13 on the shaft 3 are welded segments cutting chain 15. Cutters 13 rotates, its teeth 17 make grooves 39 in the array coal, parallel to each other.

In Geroskipou 21 is hydraulic equipment: lubricating tank 23, a receiver 25, the hydraulic pump with the hydraulic system 27, which hose 29 is connected to the hydraulic Jack 31, the rods 33 which are welded with hydroline 35.

Since the power feeding mechanism 54 operatei machine is connected with a hydraulic pump with hydraulic booster 27 installed in the Cabinet 21, the unit is switched on the feeding mechanism 54 hydraulic pump with hydraulic booster 27 is included and served emulsion under pressure from the receiver 25 in the hoses 29 hydraulic Jack 31, the rods 33 which are welded hydroline 35. These hydroline 35, entering the grooves 39 of coal, breaks off pieces of coal and obresult them to part 1 or 2 of the housing operatei machine where hooked cutting chain 49 and through the work of Stripping shares 61 and 63 is uski coal fall into the receiving box 57 and fall on the main conveyor 65, which are transported down the lava.

Works similarly and the second housing half operatei machine when moving it up lava.

The present invention greatly facilitates the design of the excavation machine. This significantly reduces the cost of manufacturing it in comparison with other mining machines. Provided the increase in the yield of large-middle grades of coal is not lower than 15% in comparison with the sieve analysis of coal mining similar coal machines.

1. Chelnokova uparatna machine, comprising a casing, Executive bodies, control panel, hydraulic equipment, electric motors and gearboxes, characterized in that it is equipped with two cutting shafts and two cutting chains connecting the sprocket-gear output shafts of the gear wheels-gear cutting shafts Executive bodies, the machine body is made of two identical parts of a solid sheet metal, provided with grooves for accommodating the bearing sockets for installation in them cutting shafts Executive bodies that have cutting cutter at a distance of 0.15 m from each other perpendicular to the axes of the cutting shaft, each cutter is attached to the shaft by using a keyway and is made of two halves, mounted on a shaft of steel plates and bolts; each cloves F. the drive from two sides welded additional cutters at an angle of 30 between them; between the planes of the blades along the length of the cutting shafts are welded segments of the cutting chains, hydraulic tooling is made in the form of a Cabinet equipped with welded thereto lengths of pipe along the length of the Jack, in which is inserted a hydraulic Jack with welded on their rods with hydroclimate within the slots of the coal done working cutting tools.

2. Chelnokova uparatna machine according to claim 1, characterized in that the upper bearing socket cutting shafts mounted in the longitudinal beams supporting the cutting shafts connecting the cutting shafts with hydroscape and lower bearing sockets mounted in the base operatei machine.

3. Chelnokova uparatna machine according to claim 1, characterized in that the engines and gearboxes pairs are located in planes perpendicular to the roof and the ground layer.

4. Chelnokova uparatna machine according to claim 1, characterized in that each part of the body operatei machines with their own remote control.



 

Same patents:

FIELD: mining.

SUBSTANCE: invention relates to rock cutters and is intended for mechanisation of mining. Proposed machine comprises body, control board, hydraulic tools, motor and reduction gearboxes. It is provided with two cutting shafts and two cutting chains engaging gear wheels of reduction gearbox output shafts with those of actuator cutting shafts. Machine body is composed of two identical parts made of solid metal sheets with recesses to receive bearings of actuator shafts. Said shafts support cutoff cutters arranged 0.15 m one from another perpendicular to cutting shaft axes. Note here that every cutter is locked on shaft by key and is composed of two halves locked on shaft by steel plates and bolts. Additional cutters are welded to every tooth of cutter on both sides at 30 to each other. Lengths of cutting chains are welded between planes of cutters over cutting shaft length. Hydraulic tools represent a cabinet provided with tube lengths welded thereto to receive hydraulic jacks fitted therein with rods provided with hydraulic wedges welded thereto to fit in coal slots made by working cutters.

EFFECT: simplified design, better coal quality.

4 cl, 4 dwg

FIELD: oil and gas industry.

SUBSTANCE: impact guiding part is installed. Two ends of the impact guiding part are fitted with impact heads or one end of the impact guiding part is fitted with the impact head, and another end is fitted with the counterbalance. The impact guiding part is installed in the guiding device, the power impact part is installed. The power impact part is installed in the impact actuating unit. The guiding device and the impact actuating unit are integrated with formation of the reciprocating impact part; the power impact part puts the impact guiding part into reciprocating movement. The impact guiding part puts in action impact heads / impact head for impact effect on a coal or rock wall for material crushing; the frame is installed. The frame is fitted or not fitted with the lifting device. The reciprocating impact part is installed on the frame or on the lifting device; the frame is installed on the housing of the machine, or the frame and the lifting device are integrated and installed on the machine housing, the mobile part is installed. The mobile part is installed in the lower part of the machine housing. The mobile part puts the machine housing in motion; the machine housing supports impact heads / impact head for impact effect in a reciprocating manner for material crushing. The impact cutting loading machine contains: the machine housing, the mobile part and the reciprocating impact part. The reciprocating impact part contains the guiding device and the impact actuating unit. The guiding device contains the impact guiding part; meanwhile the reciprocating impact part also contains the impact head, two ends of the impact guiding part have impact heads, or one end of the impact guiding part has the impact head, and another end has the counterbalance; and the impact actuating unit contains the power impact part; the power impact part puts in action impact heads / impact head for execution of reciprocating motion; the impact guiding part puts in action impact heads / impact head for impact effect on a coal or rock wall with material crushing. The machine housing contains a frame and has or has no lifting device, and the reciprocating impact part is installed on the frame; or, when the machine housing has a lifting device, the reciprocating impact part is installed on the lifting device. The lifting device is installed on the frame, and the mobile part is installed in the lower part of the machine housing and puts in motion the machine housing.

EFFECT: mining efficiency improvement.

29 cl, 128 dwg

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