Movable crushing device for coal mining
Technical Field
The utility model relates to the technical field of mining, in particular to a movable crushing device for coal mining.
Background
The sizes of coal blocks mined in the coal mining process are different, so that the larger coal blocks need to be crushed, the sizes of the coal blocks can be close to the same, the conventional coal mine crushing device can generate a large amount of coal powder and small-particle coal blocks while crushing, and the quality of the batch of coal can be influenced when the coal powder and the small-particle coal blocks are mixed into the same batch of coal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a movable crushing device for coal mining, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a portable breaker is used in coal mining, includes the base, still includes: the device comprises a crushing component, a primary screening component, a secondary screening component, a first conveying component, a second conveying component, a third conveying component and a moving component;
the crushing assembly is connected to the base and is used for crushing the coal blocks;
the primary screening assembly is connected to a discharge port of the crushing assembly and used for filtering pulverized coal in the coal blocks crushed by the crushing assembly, and the filtered pulverized coal is conveyed by the second conveying assembly;
the secondary screening component is arranged at a discharge port of the primary screening component and is used for secondary screening of the coal blocks subjected to primary screening, the screened small-particle coal blocks fall onto the third conveying component to convey the small-particle coal blocks, and then the rest standard coal blocks fall onto the first conveying component and are conveyed by the first conveying component;
the moving assembly is connected to the base.
As a further scheme of the utility model: broken subassembly includes the support frame of fixed connection on the base, fixedly connected with hopper on the support frame, and the hopper internal rotation is connected with two sets of pivots, and the crisscross broken sword that sets up of fixedly connected with multiunit is two sets of in two sets of pivots the two sets of one end of pivot is passed two sets of gears of hopper fixedly connected with, two sets of gear intermeshing, the first motor of hopper one side fixedly connected with, the output shaft of first motor passes hopper fixed connection in a set of pivot.
As a further scheme of the utility model: one-level screening subassembly includes the charging conduit of fixed connection on the hopper discharge gate, evenly is provided with the multiunit screening mouth on the charging conduit, second grade screening subassembly includes the first mount of two sets of difference in height of fixed connection on the base, and two sets of mounts set up along blanking direction from high to low, fixedly connected with dead lever between two sets of first mounts, sliding connection has the slider on the dead lever, and slider one side fixedly connected with vibrates the case, vibrates the incasement and is connected with the filter screen, be provided with the spring between slider and the first mount, the spring housing is established on the dead lever.
As a further scheme of the utility model: first conveying assembly includes the second mount of fixed connection on the base, and the second mount internal rotation is connected with first cylinder, is connected with first conveyer belt between the first cylinder, first conveyer belt material loading end sets up in vibration case blanking mouth below, second mount one side fixedly connected with second motor, the output shaft of second motor passes the second mount and fixes to connect on first cylinder.
As a further scheme of the utility model: the second conveying assembly comprises a fifth fixing frame fixedly connected to one end of the base far away from the first conveying belt, a third fixing frame fixedly connected on the base is arranged between the filter screen and the base, a second roller is rotatably connected between the third fixing frame and the fifth fixing frame, a second conveying belt is connected between the second rollers, one side of the fifth fixing frame is fixedly connected with a third motor, an output shaft of the third motor passes through the fifth fixing frame and is fixedly connected on the second roller, the third conveying assembly comprises a fourth fixing frame arranged between the charging chute and the base, the fourth fixing frame is fixedly connected on the base, a third roller is rotatably connected between the fourth fixing frame and the fifth fixing frame, a third conveying belt is connected between the third rollers, and a fourth motor is fixedly connected to one side of the fifth fixing frame, and an output shaft of the fourth motor penetrates through the fifth fixing frame and is fixedly connected to the third roller.
As a still further scheme of the utility model: the movable assembly comprises a fixed block fixedly connected to the base, an axle is connected to the fixed block in a rotating mode, and wheels are fixedly connected to the two ends of the axle.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the coal briquette is firstly crushed by the crushing component, then the pulverized coal in the coal briquette crushed by the crushing component is filtered by the primary screening component, the filtered pulverized coal falls onto the second conveying component and is conveyed by the second conveying component, then the coal briquette after primary screening is subjected to secondary screening by the secondary screening component, the screened smaller coal briquette falls onto the third conveying component to convey the coal briquette, and then the screened standard coal briquette falls onto the first conveying component and is conveyed by the first conveying component.
Drawings
Fig. 1 is a schematic structural view of a mobile crushing device for coal mining according to the present invention.
Fig. 2 is a top view of a mobile crushing apparatus for coal mining according to the present invention.
Fig. 3 is a side view of a mobile crushing unit for coal mining according to the present invention.
Fig. 4 is a cross-sectional view of a mobile crushing apparatus for coal mining according to the present invention.
In the figure: 1-base, 2-support frame, 3-hopper, 4-rotating shaft, 5-crushing cutter, 6-gear, 7-first motor, 8-blanking groove, 9-screening opening, 10-first fixing frame, 11-fixing rod, 12-sliding block, 13-spring, 14-oscillating box, 15-filter screen, 16-second fixing frame, 17-first roller, 18-first conveyor belt, 19-second motor, 20-third fixing frame, 21-second roller, 22-second conveyor belt, 23-fourth fixing frame, 24-third roller, 25-third conveyor belt, 26-fifth fixing frame, 27-third motor, 28-fourth motor, 29-fixing block, 30-axle, 31-vehicle wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a mobile crushing device for coal mining includes a base 1, and further includes: the device comprises a crushing component, a primary screening component, a secondary screening component, a first conveying component, a second conveying component, a third conveying component and a moving component; the crushing assembly is connected to the base 1; the primary screening assembly is connected to a discharge port of the crushing assembly; the secondary screening component is arranged at a discharge port of the primary screening component; according to the utility model, firstly, the coal is crushed by the crushing assembly, then the pulverized coal in the coal crushed by the crushing assembly is filtered by the primary screening assembly, the filtered pulverized coal falls onto the second conveying assembly and is conveyed by the second conveying assembly, then the coal after primary screening is subjected to secondary screening by the secondary screening assembly, the screened smaller coal falls onto the third conveying assembly to convey the coal, and then the screened standard coal falls onto the first conveying assembly and is conveyed by the first conveying assembly.
In a situation of this embodiment, please refer to fig. 1 to 4, the crushing assembly includes a support frame 2 fixedly connected to a base 1, a hopper 3 is fixedly connected to the support frame 2, two sets of rotating shafts 4 are rotatably connected to the hopper 3, a plurality of sets of crushing knives 5 are fixedly connected to the two sets of rotating shafts 4 in a staggered manner, two sets of gears 6 are fixedly connected to one ends of the rotating shafts 4 and penetrate through the hopper 3, the two sets of gears 6 are meshed with each other, a first motor 7 is fixedly connected to one side of the hopper 3, an output shaft of the first motor 7 penetrates through the hopper 3 and is fixedly connected to the one set of rotating shafts 4, the crushing assembly drives the one set of rotating shafts 4 to rotate through the first motor 7, and meanwhile, the two sets of first rotating shafts 4 are driven by the two sets of gears 6 to rotate in opposite directions, and the first rotating shafts 4 drive the crushing knives 5 to crush coal briquettes.
In one aspect of this embodiment, please refer to fig. 1 to 4, the primary screening assembly includes a chute 8 fixedly connected to a discharge port of the hopper 3, a plurality of sets of screening ports 9 are uniformly disposed on the chute 8, the secondary screening assembly includes two sets of first fixing frames 10 with different heights fixedly connected to the base 1, the two sets of fixing frames are disposed along a blanking direction from high to low, a fixing rod 11 is fixedly connected between the two sets of first fixing frames 10, a sliding block 12 is slidably connected on the fixing rod 11, a vibrating box 14 is fixedly connected to one side of the sliding block 12, a filtering net 15 is connected in the vibrating box 14, a spring 13 is disposed between the sliding block 12 and the first fixing frame 10, the spring 13 is sleeved on the fixing rod 11, the primary screening assembly guides the crushed coal through the chute 8, and filters the pulverized coal generated by crushing through the setting of the screening ports 9, on the buggy after the filtration falls to the third conveying subassembly, the coal cinder after the screening falls to shaking in the case 14, filters through shaking less coal cinder in the case 14 filter screen 15 to through shaking the slope setting of case 14, shake case 14 and carry out simple harmonic oscillation under the impact force that the coal cinder falls to produce and spring 13's effect.
In a case of this embodiment, please refer to fig. 1 to 4, the first conveying assembly includes a second fixing frame 16 fixedly connected to the base 1, a first roller 17 is rotatably connected to the second fixing frame 16, a first conveying belt 18 is connected between the first rollers 17, a feeding end of the first conveying belt 18 is disposed below a blanking port of the oscillation box 14, a second motor 19 is fixedly connected to one side of the second fixing frame 16, an output shaft of the second motor 19 passes through the second fixing frame 16 to be fixed to be connected to the first roller 17, the filtered standard coal briquette falls down to the first conveying belt 18 along the blanking port of the oscillation box 14, and then the first roller 17 is driven to rotate by the second motor 19, and the first conveying belt 18 is driven by the first roller 17 to convey the standard coal briquette.
In one aspect of this embodiment, referring to fig. 1 to 4, the second conveying assembly includes a fifth fixing frame 26 fixedly connected to an end of the base 1 far from the first conveying belt 18, a third fixing frame 20 fixedly connected to the base 1 is disposed between the filter screen 15 and the base 1, a second roller 21 is rotatably connected between the third fixing frame 20 and the fifth fixing frame 26, a second conveying belt 22 is connected between the second rollers 21, a third motor 27 is fixedly connected to one side of the fifth fixing frame 26, an output shaft of the third motor 27 passes through the fifth fixing frame 26 and is fixedly connected to the second rollers 21, the third conveying assembly includes a fourth fixing frame 23 disposed between the chute 8 and the base 1, the fourth fixing frame 23 is fixedly connected to the base 1, and a third roller 24 is rotatably connected between the fourth fixing frame 23 and the fifth fixing frame 26, be connected with third conveyer belt 25 between the third cylinder 24, fifth mount 26 one side fixedly connected with fourth motor 28, the output shaft of fourth motor 28 passes fifth mount 26 fixed connection on third cylinder 24, less coal cinder falls to second conveyer belt 22 along filter screen 15 on, later drives second cylinder 21 through third motor 27 and rotates, and second cylinder 21 drives second conveyer belt 22 and rotates and convey less coal cinder, the buggy that the breakage produced falls to third conveyer belt 25 along screening opening 9 on, later drives third cylinder 24 through fourth motor 28 and rotates, and third cylinder 24 drives third conveyer belt 25 and rotates the buggy that produces the breakage and convey.
In a case of this embodiment, please refer to fig. 1 to 4, the moving assembly includes a fixed block 29 fixedly connected to the base 1, an axle 30 is rotatably connected to the fixed block 29, wheels 31 are fixedly connected to two ends of the axle 30, and the moving assembly realizes free movement of the apparatus through the arrangement of the axle 30 and the wheels 31.
The working principle of the utility model is as follows: the utility model firstly drives a group of rotating shafts 4 to rotate through a first motor 7, simultaneously, two groups of first rotating shafts 4 synchronously and reversely rotate under the drive of two groups of gears 6, the first rotating shafts 4 drive a crushing cutter 5 to rotate to crush coal blocks, the crushed coal blocks slide down along a blanking groove 8, simultaneously, pulverized coal generated by crushing is filtered through a screening opening 9, the filtered pulverized coal falls onto a third conveying component, then a fourth motor 28 drives a third roller 24 to rotate, the third roller 24 drives a third conveying belt 25 to rotate to convey the pulverized coal generated by crushing, the screened coal blocks fall into a vibration box 14, smaller coal blocks in the coal blocks are filtered through a filter screen 15 in the vibration box 14, and the vibration box 14 is arranged through a slope of the vibration box 14 to carry out simple harmonic vibration under the action of impact force generated by the falling of the coal blocks and a spring 13, reinforcing filter screen 15's filter effect, less coal cinder falls to second conveyer belt 22 along filter screen 15 on, later drive second cylinder 21 through third motor 27 and rotate, second cylinder 21 drives second conveyer belt 22 and rotates and convey less coal cinder, the standard coal cinder after filtering simultaneously is followed and is shaken 14 feed openings of case whereabouts to first conveyer belt 18 on, later drive first cylinder 17 through second motor 19 and rotate, first cylinder 17 drives first conveyer belt 18 and conveys the standard coal cinder.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.