CN220678096U - Coal crushing device for coal mine exploitation - Google Patents
Coal crushing device for coal mine exploitation Download PDFInfo
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- CN220678096U CN220678096U CN202321930634.8U CN202321930634U CN220678096U CN 220678096 U CN220678096 U CN 220678096U CN 202321930634 U CN202321930634 U CN 202321930634U CN 220678096 U CN220678096 U CN 220678096U
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- 239000003245 coal Substances 0.000 title claims abstract description 449
- 238000007599 discharging Methods 0.000 claims description 34
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the field of coal mine crushing, and discloses a coal crushing device for coal mine opening, which comprises a crushing device body and a return component; the crushing device body is connected with raw coal feeding machine and conveyor, and crushing device body inboard is equipped with coarse coal cavity, fine coal cavity and clean coal cavity, and the discharge gate of fine coal cavity and clean coal cavity all cooperates and is provided with the sieve, and the sieve is connected with the sliding plate, and the sliding plate communicates with the feed back subassembly, and the discharge gate of feed back subassembly communicates with the pan feeding mouth of coarse coal cavity and fine coal cavity. The utility model solves the problem that the coal mine cannot be crushed and classified to obtain coal in multiple stages in the prior art, and is suitable for classified crushing and classified to obtain coal in the coal mine.
Description
Technical Field
The utility model relates to the technical field of coal mine crushing, in particular to a coal crushing device for coal mine exploitation.
Background
In the coal mine production and processing process, raw coal is required to be crushed. However, the traditional crushing device cannot automatically feed back crushed coal mines, so that the coal mines are crushed again.
In order to solve the problems, china patent (patent publication No. CN 218189872U) discloses a crushing device for coal mine opening, which comprises a box body, a crushing mechanism and a screening mechanism, wherein a feed inlet positioned at the top and a discharge pipe positioned at the bottom are arranged on the box body; the crushing mechanism is arranged in the box body and is positioned under the feeding hole, the crushing mechanism comprises two crushing shafts which are matched with each other and crushing teeth which are arranged on the side wall of the box body and are matched with the crushing shafts, and the screening mechanism is arranged in the box body and is positioned under the crushing mechanism.
According to the scheme, the coal mine raw materials to be crushed are sent into the box body through the feed inlet by utilizing the crushing mechanism, the crushed coal mine raw materials are crushed by the crushing shaft, the crushed coal mine raw materials fall onto the screen, the motor drives the cam to rotate, so that vibration of the screen is realized, the coal mine raw materials with larger particles enter the collecting box through the discharge opening, then the motor drives the spiral auger to rotate, and the large-particle coal mine is sent to the feed inlet to be crushed again; but the device can not crush and classify coal from coal mine in multiple stages; therefore, a coal mine crushing device for coal mining is specially provided for solving the problems.
Disclosure of Invention
The utility model aims to provide a coal crushing device for coal mine exploitation, which solves the problem that the prior art cannot crush and classify coal in multiple stages.
In order to achieve the above object, the present utility model provides the following technical solutions: a coal mine crushing device for coal mining comprises a crushing device body, a coarse coal chamber, a fine coal chamber, a clean coal chamber and a return component; the crushing device body is provided with a feed inlet; the coarse coal chamber is connected with a coarse coal motor, a driving coal crushing wheel and a driven coal crushing wheel, the driving coal crushing wheel and the driven coal crushing wheel are both rotationally connected to the inner side of the coarse coal chamber, the driving coal crushing wheel is connected with an output shaft of the coarse coal motor, and the driving coal crushing wheel and the driven coal crushing wheel are arranged in a matched mode; the fine coal crushing wheel is connected to the inner side of the fine coal cavity, the fine coal crushing wheel is connected with an output shaft of the fine coal motor, the fine coal cavity is provided with a coarse coal feeding port and a fine coal discharging port, and the fine coal discharging port is connected with a fine coal feeding cylinder; the clean coal cavity comprises a clean coal motor, an output shaft of the clean coal motor is connected with a clean coal crushing head, the clean coal crushing head is rotationally connected to the inner side of the clean coal cavity, the clean coal cavity is provided with a clean coal feeding port and a clean coal discharging port, and the clean coal discharging port is connected with a clean coal feeding cylinder; the crushing device comprises a crushing device body, a fine coal sliding plate and a first motor, wherein the fine coal sliding plate is rotationally connected with a fine coal sieve plate through a first supporting plate; the crushing device body is internally connected with a clean coal sliding plate and a second motor, the clean coal sliding plate is rotationally connected with a clean coal sieve plate through a second supporting plate, a clean coal feeding cylinder is arranged above the clean coal sieve plate, the clean coal sieve plate is rotationally connected with the crushing device body through a second movable plate, a second sliding groove is formed in the second movable plate, a second cam is slidingly connected with the second sliding groove, and the second cam is connected with the output end of the second motor; the feed back assembly comprises a feed back barrel, a feed back motor and a packing auger, wherein the feed back barrel is provided with a discharge hole and a feed inlet, the packing auger is connected with an output shaft of the feed back motor, the packing auger is rotationally connected to the inner side of the feed back barrel, the feed back assembly is provided with two groups, and the two groups of feed back assemblies are respectively used for feed back of the fine coal chamber and the clean coal chamber; the fine coal sieve plate and the clean coal sieve plate are respectively communicated with the feed inlets of any group of return components, and the coarse coal feed inlet and the fine coal feed inlet are respectively communicated with the discharge outlets of any group of return components; the inner side of the crushing device body is connected with a discharging plate.
The principle of the basic technical scheme is as follows: raw coal to be crushed enters a coarse coal chamber from a feed inlet, and a driving coal crushing wheel rotates anticlockwise and drives a driven coal crushing wheel to rotate clockwise under the drive of a coarse coal motor, so that the raw coal is roughly processed; the rough coal mine can vertically drop onto the fine coal sieve plate, the fine coal sieve plate is dithered under the drive of the first motor, and then screening the rough coal mine, the fine coal can vertically drop onto the fine coal sliding plate and slide onto the fine coal sieve plate in a proper position, the fine coal sieve plate is driven by the second motor to shake up and down, then fine coal is screened for the second time, the fine coal can vertically drop onto the fine coal sliding plate and slide onto the discharging plate in a proper position, coarse coal can slide into the feeding port of the feed back component under the driving of the fine coal sieve plate, and the coarse coal is lifted into the fine coal cavity under the drive of the auger, the fine coal crushing wheel rotates under the drive of the fine coal motor to realize fine processing of the coarse coal, the fine processed coarse coal can become fine coal, and vertically falls into the fine coal feeding cylinder through the fine coal discharging hole and slides onto the fine coal sieve plate in a proper direction, the fine coal sieve plate is driven by the first motor to shake up and down, fine coal can shake off onto the fine coal sliding plate in a proper direction, and slides onto the clean coal sieve plate, the clean coal sieve plate is driven by the second motor to shake up and down, then the fine coal is screened for the second time, the fine coal can vertically drop onto the fine coal sliding plate and slide onto the discharging plate in a proper way, the fine coal can slide into the feed inlet of the other feed back component under the drive of the fine coal sieve plate, coarse coal is lifted into the fine coal cavity under the drive of the auger, the fine coal crushing head rotates under the drive of the fine coal motor to finish fine coal, the fine coal after finish processing can become fine coal, and the clean coal vertically falls into the clean coal feeding cylinder through the clean coal discharging hole and slides onto the clean coal sieve plate in a proper direction, the clean coal sieve plate is driven by the second motor to shake up and down, and the clean coal vertically falls onto the clean coal sliding plate and slides onto the discharging plate in a proper direction.
The basic technical scheme has the beneficial effects that: raw coal is screened into coarse coal, fine coal and clean coal through three times of processing of a coarse coal chamber, a fine coal chamber and a clean coal ore chamber, so that the problem that the prior art cannot crush coal mines in multiple stages is solved.
Preferably, the feed inlet is connected with raw coal feeder, and raw coal feeder includes raw coal feed cylinder, pan feeding motor and pan feeding auger, and raw coal feed inlet has been seted up to raw coal feed cylinder, and pan feeding auger and the output shaft of pan feeding motor are connected, and the inboard at raw coal feed cylinder is connected in the pan feeding auger rotation.
By the arrangement, industrial dust caused by rotor blasting in the crushing chamber is avoided. Meanwhile, the feeding amount of raw coal is convenient to adjust, and blockage is prevented.
Preferably, the aperture of the fine coal discharging hole is consistent with the aperture of the fine coal sieve plate; the aperture of the clean coal discharge hole is consistent with the aperture of the clean coal sieve plate.
Through the arrangement, fine coal can smoothly pass through the fine coal sieve plate, and fine coal can smoothly pass through the fine coal sieve plate, so that repeated feed back is prevented.
Preferably, the bottom of the crushing device body is provided with a coal conveying device, the coal conveying device comprises a coal conveying motor, a conveying belt, a first roller and a second roller, the output end of the coal conveying motor is connected with the first roller, and the first roller is rotationally connected with the second roller through the conveying belt.
Through the arrangement, the coal mine can automatically discharge, and the manual labor is saved.
Preferably, the base of the crushing device body is provided with a cleaning handle, a reverse brush is adhered to the cleaning handle, and a dustproof curtain is arranged at the feed inlet.
Through the arrangement, the belt is cleaned, and industrial dust generated by coal mine crushing is reduced.
Preferably, the feed inlets of the two groups of return assemblies are provided with internal thread holes, and the feed inlets of the two groups of return assemblies are connected with the discharge plate through threads.
Through the arrangement, coarse coal and fine coal do not need to pass through the feed back to the fine coal chamber and the clean coal chamber, and classified discharge of the coal mine is realized.
Preferably, the crushing device body is connected with a bin gate through a hinge, the bin gate is provided with an observation window, and the bin gate is connected with a handle.
Through above-mentioned setting, can clearly observe the inside operational aspect of breaker body, the convenient maintenance.
Preferably, the active coal crushing wheel is connected with an output shaft of the coarse coal motor through a belt, the fine coal crushing wheel is connected with an output shaft of the fine coal motor through a belt, and an output end of the coal conveying motor is connected with the first roller through a belt.
Through the arrangement, buffering is provided for the driving coal crushing wheel, the fine coal crushing wheel and the first roller, and overload protection is provided for equipment.
Drawings
FIG. 1 is a schematic diagram of a coal crushing device for coal mine exploitation;
FIG. 2 is a cross-sectional view of a breaker body of a coal breaker for coal mine opening in accordance with the present utility model;
FIG. 3 is an enlarged view of a portion of a first motor of a coal crushing device for coal mine opening in accordance with the present utility model;
FIG. 4 is an enlarged view of a portion of a second motor of the coal crushing device for coal mine opening of the present utility model;
FIG. 5 is a schematic diagram of a raw coal feeder of a coal crushing device for coal mine exploitation;
FIG. 6 is a schematic diagram of a feed back assembly of a coal crushing device for coal mine exploitation according to the present utility model.
The names of the corresponding marks in the drawings are:
the raw coal mine feeding machine 1, a raw coal feeding port 2, a raw coal feeding cylinder 3, a feeding auger 4, a feeding motor 5, a coarse coal chamber 6, a driving crushing wheel 7, a driven crushing wheel 8, a fine coal chamber 9, a coarse coal feeding port 10, a fine coal crushing wheel 11, a fine coal discharging port 12, a fine coal feeding cylinder 13, a fine coal chamber 14, a fine coal feeding port 15, a fine coal motor 16, a fine coal crushing head 17, a fine coal discharging port 18, a fine coal feeding cylinder 19, a discharging cover plate 20, a return component 21, a return motor 22, an auger 23, a return cylinder 24, a discharging port 25, a feeding port 26, a first cam 27, a first motor 28, a first movable plate 29, a fine coal screen plate 30, a fine coal slide plate 31, a first support plate 32, a second cam 33, a second motor 34, a second movable plate 35, a fine coal screen plate 36, a fine coal slide plate 37, a second support plate 38, a discharging plate 39, a coal device 40, a conveying motor 41, a first roller 42, a second motor 43, a conveyor belt 44, a handle 45, a chute 52, a coarse coal chute body 52, a handle body 52, a cleaning handle body, a chute body 52.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
as shown in fig. 1, 2, 3 and 4, the coal crushing device for coal mine exploitation comprises a crushing device body 51, a coarse coal chamber 6, a fine coal chamber 9, a clean coal chamber 14 and a return component 21; the crushing device body 35 is provided with a feed inlet 52; the coarse coal chamber 6 is connected with a coarse coal motor 49, a driving coal crushing wheel 7 and a driven coal crushing wheel 8, the driving coal crushing wheel 7 and the driven coal crushing wheel 8 are both rotationally connected to the inner side of the coarse coal chamber 6, the driving coal crushing wheel 7 is connected with an output shaft of the coarse coal motor 49, and the driving coal crushing wheel 7 and the driven coal crushing wheel 8 are matched; the fine coal chamber 9 is connected with a fine coal motor 50 and a fine coal crushing wheel 11, the fine coal crushing wheel 11 is rotatably connected to the inner side of the fine coal chamber 9, the fine coal crushing wheel 11 is connected with an output shaft of the fine coal motor 50, the fine coal chamber 9 is provided with a coarse coal feed inlet 10 and a fine coal discharge outlet 12, the aperture of the fine coal discharge outlet 12 is consistent with the aperture of the fine coal sieve plate 30, and the fine coal discharge outlet 12 is connected with a fine coal feeding cylinder 13; the clean coal chamber 14 comprises a clean coal motor 16, an output shaft of the clean coal motor 16 is connected with a clean coal crushing head 17, the clean coal crushing head 17 is rotationally connected to the inner side of the clean coal chamber 14, the clean coal chamber 14 is provided with a clean coal feeding port 15 and a clean coal discharging port 18, the aperture of the clean coal discharging port 18 is consistent with the aperture of a clean coal sieve plate 36, and the clean coal discharging port 18 is connected with a clean coal feeding cylinder 19; the crushing device body 51 is internally connected with a fine coal sliding plate 31 and a first motor 28, the fine coal sliding plate 31 is rotationally connected with a fine coal sieve plate 30 through a first supporting plate 32, a fine coal feeding cylinder 13 is arranged above the fine coal sieve plate 30, the fine coal sieve plate 30 is rotationally connected with the crushing device body 51 through a first movable plate 29, the first movable plate 29 is provided with a first sliding groove 53, the first sliding groove 53 is slidingly connected with a first cam 27, and the first cam 27 is connected with the output end of the first motor 28; the crushing device body 51 is internally connected with a clean coal slide plate 37 and a second motor 34, the clean coal slide plate 37 is rotationally connected with a clean coal screen plate 36 through a second supporting plate 38, a clean coal feeding cylinder 19 is arranged above the clean coal screen plate 36, the clean coal screen plate 36 is rotationally connected with the crushing device body 51 through a second movable plate 35, the second movable plate 35 is provided with a second chute 54, the second chute 54 is slidingly connected with a second cam 33, and the second cam 33 is connected with the output end of the second motor 34; as shown in fig. 6, the return assembly 21 comprises a return cylinder 24, a return motor 22 and an auger 23, wherein the return cylinder 24 is provided with a discharge hole 25 and a feed hole 26, the auger 23 is connected with an output shaft of the return motor 22, the auger 23 is rotatably connected to the inner side of the return cylinder 24, and the return assembly 21 is provided with two groups, and the two groups of return assemblies 21 are respectively used for returning the fine coal chamber 9 and the clean coal chamber 14; the fine coal sieve plate 30 and the clean coal sieve plate 36 are respectively communicated with the feed inlets 26 of any group of return assemblies 21, and the coarse coal feed inlet 10 and the fine coal feed inlet 15 are respectively communicated with the discharge outlets 25 of any group of return assemblies 21; the feed inlets 26 of the two groups of return assemblies 21 are provided with internal thread holes, and the feed inlets 26 of the two groups of return assemblies 21 are connected with the discharge plate 39 through threads; the inner side of the crushing device body 51 is connected with a discharging plate 39; the bottom of the crushing device body 51 is provided with a coal conveying device 40, the coal conveying device 40 comprises a coal conveying motor 41, a conveyor belt 44, a first roller 42 and a second roller 43, the output end of the coal conveying motor 41 is connected with the first roller 42, and the first roller 42 is rotatably connected with the second roller 43 through the conveyor belt 44; the base of the crushing device body 51 is provided with a cleaning handle 45, the cleaning handle 45 is stuck with a reverse brush, and the feed inlet 52 is provided with a dustproof curtain; the crushing device body 51 is connected with a bin gate 46 through a hinge, the bin gate 46 is provided with an observation window 47, and the bin gate 46 is connected with a handle 48; the active coal crushing wheel 7 is connected with an output shaft of the coarse coal motor 49 through a belt, the fine coal crushing wheel 11 is connected with an output shaft of the fine coal motor 50 through a belt, and an output end of the coal conveying motor 41 is connected with the first roller 42 through a belt; as shown in fig. 5, a raw coal feeder 1 is connected to a feed inlet 52, the raw coal feeder 1 includes a raw coal feed cylinder 3, a feed motor 5 and a feed auger 4, the raw coal feed cylinder 3 is provided with a raw coal feed inlet 2, the feed auger 4 is connected to an output shaft of the feed motor 5, and the feed auger 4 is rotatably connected to an inner side of the raw coal feed cylinder 3.
The specific implementation process is as follows:
raw coal to be crushed enters the raw coal feeding cylinder 3 from the raw coal feeding port 2, the feeding auger 4 rotates under the drive of the feeding motor 5, the raw coal is further sent to the feeding port, the raw coal enters the coarse coal chamber 6 through the feeding port 52, and the driving coal crushing wheel 7 rotates anticlockwise and simultaneously drives the driven coal crushing wheel 8 to rotate clockwise under the drive of the coarse coal motor 49, so that the raw coal is roughly processed; the coarse coal vertically falls onto the fine coal sieve plate 30, the fine coal sieve plate 30 is driven by the first motor 28 to shake, the coarse coal is screened, the fine coal vertically falls onto the fine coal sliding plate 31 and slides onto the fine coal sieve plate 36 in a proper position, the fine coal sieve plate 36 is driven by the second motor 34 to shake up and down, the fine coal is screened for the second time, the fine coal vertically falls onto the fine coal sliding plate 37 and slides onto the discharging plate 39 in a proper position, the coarse coal slides into the feed port 26 of the feed back assembly 21 under the driving of the fine coal sieve plate 30, the coarse coal is lifted into the fine coal chamber 6 under the driving of the auger 23, the fine coal crushing wheel 11 rotates under the driving of the fine coal motor 50, the fine coal is finely processed, the fine coal is changed into fine coal, and vertically falls into the fine coal feeding cylinder 13 through the fine coal discharging port 12 in a proper position, and slides onto the fine coal sieve plate 30, the fine coal screen plate 30 is driven by the first motor 28 to shake up and down, fine coal is shake-off onto the fine coal slide plate 31 and slides onto the fine coal screen plate 36, the fine coal screen plate 36 is driven by the second motor 34 to shake up and down, fine coal is screened for the second time, fine coal is vertically dropped onto the fine coal slide plate 37 and slides onto the discharging plate 39, fine coal is driven by the fine coal screen plate 36 to slide into the feed inlet 26 of the other feed back component 21, coarse coal is lifted into the fine coal cavity 14 under the driving of the auger 23, the fine coal crushing head 17 is driven by the fine coal motor 16 to rotate, fine coal fine processing is achieved, fine coal after fine processing is changed into fine coal, and is vertically dropped into the fine coal feeding cylinder 19 through the fine coal discharging hole 18 and slides onto the fine coal screen plate 36, fine coal screen plate 36 is driven by the second motor 34 to shake up and down, the clean coal can vertically fall onto the clean coal sliding plate 37 and slide onto the discharging plate 39 in a proper direction, the clean coal sliding onto the discharging plate 39 slides onto the conveying belt 44 of the coal conveying device 40 in a proper direction, the first roller 42 is driven by the coal conveying motor 41 to rotate, the second roller is driven to rotate at the same time, the clean coal on the conveying belt 44 is discharged out of the crushing device body 51, and the belt rotates to clean dust of the belt through the cleaning handle 45; if the coarse coal is required to be discharged, the discharging plate 39 of the feed back assembly 21 can be twisted right to realize the discharge of the coarse coal, and if the fine coal is required to be discharged, the discharging plate 39 of the other feed back assembly 21 can be twisted right to realize the discharge of the fine coal; the worker can observe the inside of the breaker body 51 through the observation window 47, and can open the bin gate 46 through the handle 54, thereby overhauling or cleaning the breaker body 51.
The foregoing is merely exemplary embodiments of the present utility model, and detailed technical solutions or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. The utility model provides a coal breaker is used in colliery exploitation which characterized in that: comprises a crushing device body (51), a coarse coal chamber (6), a fine coal chamber (9), a clean coal chamber (14) and a return component (21); the crushing device body (51) is provided with a feed inlet (52); the coarse coal chamber (6) is connected with a coarse coal motor (49), a driving coal crushing wheel (7) and a driven coal crushing wheel (8), the driving coal crushing wheel (7) and the driven coal crushing wheel (8) are both rotationally connected to the inner side of the coarse coal chamber (6), the driving coal crushing wheel (7) is connected with an output shaft of the coarse coal motor (49), and the driving coal crushing wheel (7) and the driven coal crushing wheel (8) are matched; the fine coal crushing device is characterized in that the fine coal chamber (9) is connected with a fine coal motor (50) and a fine coal crushing wheel (11), the fine coal crushing wheel (11) is rotatably connected to the inner side of the fine coal chamber (9), the fine coal crushing wheel (11) is connected with an output shaft of the fine coal motor (50), the fine coal chamber (9) is provided with a coarse coal feeding port (10) and a fine coal discharging port (12), and the fine coal discharging port (12) is connected with a fine coal feeding cylinder (13); the clean coal chamber (14) comprises a clean coal motor (16), an output shaft of the clean coal motor (16) is connected with a clean coal crushing head (17), the clean coal crushing head (17) is rotationally connected to the inner side of the clean coal chamber (14), the clean coal chamber (14) is provided with a clean coal feeding hole (15) and a clean coal discharging hole (18), and the clean coal discharging hole (18) is connected with a clean coal feeding cylinder (19); the crushing device comprises a crushing device body (51), wherein a fine coal sliding plate (31) and a first motor (28) are connected inside the crushing device body, the fine coal sliding plate (31) is rotationally connected with a fine coal sieve plate (30) through a first supporting plate (32), a fine coal feeding cylinder (13) is arranged above the fine coal sieve plate (30), the fine coal sieve plate (30) is rotationally connected with the crushing device body (51) through a first movable plate (29), a first sliding groove (53) is formed in the first movable plate (29), a first cam (27) is slidingly connected with the first sliding groove (53), and the first cam (27) is connected with the output end of the first motor (28); the crushing device comprises a crushing device body (51), a clean coal slide plate (37) and a second motor (34) are connected inside the crushing device body, the clean coal slide plate (37) is rotationally connected with a clean coal screen plate (36) through a second supporting plate (38), a clean coal feeding cylinder (19) is arranged above the clean coal screen plate (36), the clean coal screen plate (36) is rotationally connected with the crushing device body (51) through a second movable plate (35), a second sliding groove (54) is formed in the second movable plate (35), a second cam (33) is slidingly connected with the second sliding groove (54), and the second cam (33) is connected with the output end of the second motor (34); the feed back assembly (21) comprises a feed back barrel (24), a feed back motor (22) and a packing auger (23), wherein a discharge hole (25) and a feed inlet (26) are formed in the feed back barrel (24), the packing auger (23) is connected with an output shaft of the feed back motor (22), the packing auger (23) is rotationally connected to the inner side of the feed back barrel (24), the feed back assembly (21) is provided with two groups, and the two groups of feed back assemblies (21) are respectively used for feed back of the fine coal chamber (9) and the clean coal chamber (14); the fine coal sieve plate (30) and the clean coal sieve plate (36) are respectively communicated with the feed inlets (26) of any group of the return assemblies (21), and the coarse coal feed inlets (10) and the fine coal feed inlets (15) are respectively communicated with the discharge outlets (25) of any group of the return assemblies (21); the inside of the crushing device body (51) is connected with a discharging plate (39).
2. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the raw coal feeding machine is characterized in that the feeding port (52) is connected with a raw coal feeding machine (1), the raw coal feeding machine (1) comprises a raw coal feeding cylinder (3), a feeding motor (5) and a feeding auger (4), the raw coal feeding cylinder (3) is provided with a raw coal feeding port (2), the feeding auger (4) is connected with an output shaft of the feeding motor (5), and the feeding auger (4) is rotationally connected to the inner side of the raw coal feeding cylinder (3).
3. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the aperture of the fine coal discharging hole (12) is consistent with the aperture of the fine coal sieve plate (30); the aperture of the clean coal discharge hole (18) is consistent with the aperture of the clean coal sieve plate (36).
4. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the crushing device comprises a crushing device body (51), wherein a coal conveying device (40) is arranged at the bottom of the crushing device body (51), the coal conveying device (40) comprises a coal conveying motor (41), a conveying belt (44), a first roller (42) and a second roller (43), the output end of the coal conveying motor (41) is connected with the first roller (42), and the first roller (42) is rotatably connected with the second roller (43) through the conveying belt (44).
5. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the crushing device is characterized in that a cleaning handle (45) is arranged on the base of the crushing device body (51), a reverse hairbrush is adhered to the cleaning handle (45), and a dustproof curtain is arranged at the feed inlet (52).
6. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the feed inlets (26) of the two groups of return assemblies (21) are provided with internal thread holes, and the feed inlets (26) of the two groups of return assemblies (21) are connected with the discharge plate (39) through threads.
7. A coal crushing apparatus for coal mine exploitation according to claim 1, wherein: the crushing device is characterized in that the crushing device body (51) is connected with a bin gate (46) through a hinge, the bin gate (46) is provided with an observation window (47), and the bin gate (46) is connected with a handle (48).
8. The coal crushing device for coal mine exploitation according to claim 4, wherein: the driving coal crushing wheel (7) is connected with an output shaft of the coarse coal motor (49) through a belt, the fine coal crushing wheel (11) is connected with an output shaft of the fine coal motor (50) through a belt, and an output end of the coal conveying motor (41) is connected with the first roller (42) through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930634.8U CN220678096U (en) | 2023-07-21 | 2023-07-21 | Coal crushing device for coal mine exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321930634.8U CN220678096U (en) | 2023-07-21 | 2023-07-21 | Coal crushing device for coal mine exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220678096U true CN220678096U (en) | 2024-03-29 |
Family
ID=90373085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321930634.8U Active CN220678096U (en) | 2023-07-21 | 2023-07-21 | Coal crushing device for coal mine exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220678096U (en) |
-
2023
- 2023-07-21 CN CN202321930634.8U patent/CN220678096U/en active Active
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