Coal impurity sorting part, impurity conveying part and impurity crushing all-in-one machine

Abstract

The invention relates to the technical field of coal impurity separation, in particular to a coal impurity sorting part, impurity conveying part and impurity crushing all-in-one machine which comprises a coal conveying belt, a steel fork, a coal impurity sorting part, a coal impurity conveying part, a coal impurity crushing part and a ground. A coal impurity conveying part is mounted above the coal conveying belt, a coal impurity sorting part is mounted on the coal impurity conveying part, a steel fork is mounted on the coal impurity conveying part, and a coal impurity crushing part is mounted at the bottom end of one side of the coal conveying belt; the coal impurity sorting part is adopted, and impurities such as woven bags and forage existing in a coal conveying belt can be automatically recognized and extracted in an unmanned mode; and the coal impurity conveying part is adopted, so that the impurities separated from the coal impurity sorting part can be automatically conveyed to the coal impurity crusher, and the circulation of the whole mechanism can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of coal impurity separation, and in particular to a coal impurity sorting unit, an impurity conveying unit and an impurity crushing integrated machine. Background Art

[0002] Coal mines use woven bags for packaging and transportation before transporting them to some large-scale factories. During the actual use in the factory, some woven bags are mixed in the coal, which will cause blockage in the transportation of coal. The current impurity removal method is mainly manual. Some coal impurity separation devices are referred to as impurity removal devices, which are one of the commonly used equipment for transporting coal on the production line. The coal impurity remover is improved based on the problems existing in the current production line. The existing coal impurity removal device has a low impurity removal effect on the coal in the production line, which is not convenient for regular cleaning and maintenance. In addition, the existing coal impurity removal device is not perfect in the impurity removal method, which easily causes blockage of the production line. Summary of the invention

[0003] The problem to be solved by the present invention is to provide an integrated coal impurity sorting section, impurity conveying section and impurity crushing machine, which can realize unmanned automatic identification and extraction of impurities such as woven bags and fodder present in the coal conveyor belt; it can also realize automatic conveying of impurities separated in the coal impurity sorting section to the coal impurity crusher, and the circulation of the entire mechanism, and can also realize automatic separation and crushing of impurities conveyed by the coal impurity conveying section.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a coal impurity sorting part, impurity conveying part and impurity crushing integrated machine, comprising a coal conveyor belt, a steel fork, a coal impurity sorting part, a coal impurity conveying part, a coal impurity crushing part and a ground, a coal conveyor belt is installed above the ground, a coal impurity conveying part is installed above the coal conveyor belt, a coal impurity sorting part is installed on the coal impurity conveying part, a steel fork is installed on the coal impurity conveying part, and a coal impurity crushing part is installed at the bottom end of one side of the coal conveyor belt;

[0005] The coal impurity sorting part includes a box body, an upper box cover, a left box body, a right box body, a cam motor bracket, a column motor housing, a force sensor housing, a cam mechanism, a right push rod, a left push rod, a cam, a cam motor, a rotating shaft, a sliding rod, a force sensor and a positioning column. The box body is fixed to the building suspension beam, a cam mechanism is installed in the box body, a force sensor is installed in the box body, and a positioning column is installed at the bottom of the box body.

[0006] Preferably, the bottom end of the upper box cover is threadedly connected to the left box body, the bottom end of the upper box cover is threadedly connected to the right box body, and a gap is provided on the opposite surfaces of the left box body and the right box body, the upper box cover is located between the left box body and the right box body and a column motor housing is provided, and the top of the positioning column is installed on the outer wall of the column motor housing, the bottom ends of the left box body and the right box body are respectively installed with cam motor brackets, the top of the cam motor bracket is installed with a cam motor, one end of the output shaft of the cam motor is fixedly connected to the rotating shaft, and one end of the rotating shaft is fixedly connected to the cam, a right push rod and a left push rod are concentrically installed on the outer wall of one side of the cam, a sliding rod is installed on one side of the right push rod and the left push rod, and one side of the sliding rod is slidably connected to the inner walls of the left box body and the right box body, a force sensor housing is installed on the bottom end of the right box body, and one side of the positioning column is installed on the outer wall of the force sensor housing.

[0007] Preferably, the coal impurity conveying part includes a transmission mechanism, a chain conveyor suspension, a chain conveyor chain, a sheet metal bracket, a wear-resistant strip, a power mechanism, a gear motor, a gear, a self-locking mechanism, a slider, a positioning groove, a slider bottom plate, a slider side plate, a limit rod motor bracket, an NFC module, a limit mechanism, a lock tongue, a limit rod and a limit rod motor. The transmission mechanism is installed at the gap of the box body shape, the power mechanism is installed at the corner of the transmission mechanism, and the self-locking mechanism is installed on the outside of the transmission mechanism; the NFC module and the limit mechanism are installed inside the self-locking mechanism.

[0008] Preferably, a chain conveyor suspension is installed at the gap of the box body shape, the bottom end of the chain conveyor suspension is threadedly connected with a chain conveyor chain, a sheet metal bracket is installed between the chain conveyor chain and the chain conveyor suspension, a wear-resistant strip is installed between the sheet metal bracket and the chain conveyor chain, a gear motor is distributed and installed at the corner protrusion of the chain conveyor suspension, a gear is installed at the bottom end of the output shaft of the gear motor, and one side of the gear is meshed and installed on the inner wall of the chain conveyor chain, and one side of the chain conveyor chain is symmetrical A slider is slidably connected, one side of the slider is threadedly connected with a positioning groove, a slider bottom plate is installed at the bottom end of the slider, a slider side plate is installed at the outside of the slider, a limit rod motor bracket is installed on the inner side of the slider side plate, and the NFC module is opposite to one side of the limit rod motor bracket, a limit rod motor is installed on one side of the limit rod motor bracket, one end of the output shaft of the limit rod motor is fixedly connected to the limit rod, a lock tongue is installed on one side of the limit rod, and a spring is provided on one side of the lock tongue, and the spring end of the lock tongue contacts the inner wall of the slider.

[0009] Preferably, the coal impurity crushing section includes a crusher body, a crusher casing, a crusher upper cover, a crushing mechanism, a separation gear shaft, a crushing gear shaft, a crusher motor, a cleaning mechanism, a brush and a brush motor, and the crushing mechanism and the cleaning mechanism are both installed inside the crusher body; the crusher body is installed on the ground.

[0010] Preferably, a grinder shell is provided on one side of the grinder body, the top of the grinder shell is threadedly connected to the grinder cover, a grinder gear shaft is installed at the bottom of the inner wall of one side of the grinder shell, a separation gear shaft is installed on the inner side of the grinder shell, and the separation gear shaft is located above the grinder gear shaft, a grinder motor is installed in the middle of the grinder shell, and the output end of the grinder motor is fixed to the outer walls of the separation gear shaft and the grinder gear shaft, a brush motor is installed at the bottom of the inner wall on the other side of the grinder shell, and a brush is installed on the top of the output shaft of the brush motor.

[0011] Preferably, the steel fork includes a steel fork column, short steel fork spikes and long steel fork spikes, the sliding block mountain is equipped with the steel fork column, the long steel fork spikes are symmetrically installed on the outer wall of the bottom end of the steel fork column, the short steel fork spikes are symmetrically installed at the bottom end of the steel fork column, and the short steel fork spikes are located on both sides of the long steel fork spikes.

[0012] Preferably, a coal baffle is installed on the top outer wall of the pulverizer housing, and the top of the coal baffle is provided with an inclination angle.

[0013] Preferably, the chain conveyor suspension is in the shape of a quadrilateral.

[0014] The beneficial effects of the present invention are: the coal impurity sorting part is adopted, which can realize unmanned automatic identification and extraction of impurities such as woven bags and grass in the coal conveyor belt;

[0015] The coal impurity conveying part is adopted, which can realize the automatic conveying of impurities separated in the coal impurity sorting part to the coal impurity crusher and the circulation of the whole mechanism;

[0016] The coal impurity crushing unit is adopted, which can automatically separate and crush the impurities transported by the coal impurity conveying unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the steel fork of the present invention;

[0019] Figure 3 This is a schematic diagram of the main structure of the coal impurity separation unit of the present invention;

[0020] Figure 4It is a schematic diagram of the top view of the structure of the coal impurity separation unit of the present invention;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the coal impurity conveying part of the present invention;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the driving part of the coal impurity conveying part of the present invention;

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the chain support of the coal impurity conveying part of the present invention;

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of the sliding block of the coal impurity conveying part of the present invention;

[0025] Fig. 9 It is a schematic diagram of the top view of the structure of the sliding block of the coal impurity conveying part of the present invention;

[0026] Fig.10 It is a schematic diagram of the structure inside the sliding block of the coal impurity conveying part of the present invention;

[0027] Fig.11 It is a structural schematic diagram of the coal impurity crusher of the present invention.

[0028] Legend:

[0029] 1. Coal conveyor belt; 2. Steel fork; 3. Coal impurity sorting section; 4. Coal impurity conveying section; 5. Coal impurity crushing section; 6. Coal baffle; 7. Ground; 21. Steel fork column; 22. Short steel fork thorn; 23. Long steel fork thorn; 31. Box shape; 311. Upper box cover; 312. Left box; 313. Right box; 314. Cam motor bracket; 315. Column motor housing; 316. Force sensor housing; 32. Cam mechanism; 321. Right push rod; 322. Left push rod; 323. Cam; 324. Cam motor; 325. Rotating shaft; 326. Sliding rod; 33. Force sensor; 34. Positioning column; 41. Transmission mechanism; 411. Chain conveyor suspension; 412. Chain conveyor chain; 413. Sheet metal bracket; 414. Wear-resistant strip; 42. Power mechanism; 421. Gear motor; 422. Gear; 43. Self-locking mechanism; 431. Slider; 432. Positioning groove; 433. Slider bottom plate; 434. Slider side plate; 435. Limit rod motor bracket; 44. NFC module; 45. Limit mechanism; 451. Lock tongue; 452. Limit rod; 453. Limit rod motor; 51. Crusher body; 511. Crusher shell; 512. Crusher upper cover; 52. Crushing mechanism; 521. Separation gear shaft; 522. Crushing gear shaft; 523. Crusher motor; 53. Cleaning mechanism; 531. Brush; 532. Brush motor. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1

[0032] See also Figure 1 to Figure 4 , a coal impurity sorting part, impurity conveying part and impurity crushing integrated machine, comprising a coal conveyor belt 1, a steel fork 2, a coal impurity sorting part 3, a coal impurity conveying part 4, a coal impurity crushing part 5 and a ground 7, the coal conveyor belt 1 is installed above the ground 7, the coal impurity conveying part 4 is installed above the coal conveyor belt 1, the coal impurity sorting part 3 is installed on the coal impurity conveying part 4, the steel fork 2 is installed on the coal impurity conveying part 4, and the coal impurity crushing part 5 is installed at the bottom end of one side of the coal conveyor belt 1;

[0033] The coal impurity sorting part 3 includes a box shape 31, an upper box cover 311, a left box 312, a right box 313, a cam motor bracket 314, a column motor housing 315, a force sensor housing 316, a cam mechanism 32, a right push rod 321, a left push rod 322, a cam 323, a cam motor 324, a rotating shaft 325, a sliding rod 326, a force sensor 33 and a positioning column 34. The box shape 31 is fixed to the building suspension beam, the cam mechanism 32 is installed in the box shape 31, the force sensor 33 is installed in the box shape 31, and the positioning column 34 is installed at the bottom end of the box shape 31; the bottom end of the upper box cover 311 is threadedly connected to the left box 312, the bottom end of the upper box cover 311 is threadedly connected to the right box 313, and a gap is set on the opposite surfaces of the left box 312 and the right box 313, and the upper box cover 311 is located between the left box 312 and the right box 313. A column motor housing 315 is provided between the right box body 313, and the top of the positioning column 34 is installed on the outer wall of the column motor housing 315, and cam motor brackets 314 are respectively installed at the bottom ends of the left box body 312 and the right box body 313, and a cam motor 324 is installed on the top end of the cam motor bracket 314, and a rotating shaft 325 is fixedly connected to one end of the output shaft of the cam motor 324, and a cam 323 is fixedly connected to one end of the rotating shaft 325, and a right push rod 321 and a left push rod 322 are concentrically installed on the outer wall of one side of the cam 323, and a sliding rod 326 is installed on one side of the right push rod 321 and the left push rod 322, and one side of the sliding rod 326 is slidably connected to the inner walls of the left box body 312 and the right box body 313, and a force sensor housing 316 is installed at the bottom end of the right box body 313, and one side of the positioning column 34 is installed on the outer wall of the force sensor housing 316.

[0034] Working principle: First, start the driving structure to make the coal conveyor belt 1 transport the coal mine. At this time, start the force sensor 33 on the force sensor housing 316 and the positioning column 34 on the column motor housing 315 to sense the steel fork 2. The mechanical signal is generated when the steel fork 2 acts on the coal mine, and the mechanical signal is converted into an electrical signal and transmitted to the cam motor 324. At this time, start the cam motor bracket 314 to make the cam motor 324 rotate the cam 323 on the rotating shaft 325, so that the right push rod 321 and the left push rod 322 swing up and down, and then the slide rod 326 moves up and down along the left box body 312 and the right box body 313, so as to identify the range line of the woven bags and hay, and realize unmanned automatic identification and extraction of impurities such as woven bags and hay in the coal conveyor belt 1.

[0035] Embodiment 2

[0036] See also Figures 5 to 10The coal impurity conveying part 4 includes a transmission mechanism 41, a chain conveyor suspension 411, a chain conveyor chain 412, a sheet metal bracket 413, a wear-resistant strip 414, a power mechanism 42, a gear motor 421, a gear 422, a self-locking mechanism 43, a slider 431, a positioning groove 432, a slider bottom plate 433, a slider side plate 434, a limit rod motor bracket 435, an NFC module 44, a limit mechanism 45, a lock tongue 451, a limit rod 452 and a limit rod motor 453. The transmission mechanism 41 is installed at the gap of the box shape 31, the power mechanism 42 is installed at the corner of the transmission mechanism 41, and the self-locking mechanism 43 is installed on the outside of the transmission mechanism 41; the NFC module 44 and the limit mechanism 45 is installed inside the self-locking mechanism 43; a chain conveyor suspension 411 is installed at the gap of the box shape 31, and a chain conveyor chain 412 is threadedly connected to the bottom end of the chain conveyor suspension 411, a sheet metal bracket 413 is installed between the chain conveyor chain 412 and the chain conveyor suspension 411, and a wear-resistant strip 414 is installed between the sheet metal bracket 413 and the chain conveyor chain 412, and a gear motor 421 is distributed and installed at the corner protrusion of the chain conveyor suspension 411, a gear 422 is installed at the bottom end of the output shaft of the gear motor 421, and one side of the gear 422 is meshed and installed on the inner wall of the chain conveyor chain 412, and one side of the chain conveyor chain 412 is symmetrically slidably connected with a sliding Block 431, one side of the slider 431 is threadedly connected with a positioning groove 432, the bottom end of the slider 431 is installed with a slider bottom plate 433, the outer side of the slider 431 is installed with a slider side plate 434, the inner side of the slider side plate 434 is installed with a limit rod motor bracket 435, and the NFC module 44 is opposite to one side of the limit rod motor bracket 435, and one side of the limit rod motor bracket 435 is installed with a limit rod motor 453, one end of the output shaft of the limit rod motor 453 is fixedly connected to the limit rod 452, and one side of the limit rod 452 is installed with a lock tongue 451, and one side of the lock tongue 451 is provided with a spring, and the spring end of the lock tongue 451 contacts the inner wall of the slider 431; the steel fork 2 includes a steel fork column 21, a short steel fork The steel fork column 21 is symmetrically mounted on the outer wall of the bottom end of the steel fork column 21 with long steel fork spikes 23, and the bottom end of the steel fork column 21 is symmetrically mounted with short steel fork spikes 22, and the short steel fork spikes 22 are located on both sides of the long steel fork spikes 23; the position of the steel fork 2 is sensed by the NFC module 44, and at this time the positioning groove 432 acts on the steel fork column 21, so that the short steel fork spikes 22 and the long steel fork spikes 23 move the woven bag and the hay, thereby separating the woven bag and the hay from the coal mine; the chain conveyor suspension 411 is in the shape of a quadrilateral, which is convenient for the chain conveyor suspension 411 to fit the transmission of the coal conveyor belt 1, ensuring the separation of impurities in the coal mine.

[0037] After the coal mine is identified, the gear motor 421 on the chain conveyor suspension 411 is started to rotate the gear 422, so that the chain conveyor chain 412 moves, thereby driving the slider 431 to move, and then the limit rod 452 on the limit rod motor 453 on the limit rod motor bracket 435 is started to rotate, so that the locking tongue 451 is separated from the inner wall of the slider 431, thereby releasing the restriction on the steel fork 2, and then the position of the steel fork 2 is sensed by the NFC module 44. At this time, the positioning groove 432 acts on the steel fork column 21, so that the short steel fork thorns 22 and the long steel fork thorns 23 move the woven bag and the hay, thereby separating the woven bag and the hay from the coal mine, so that the impurities separated in the coal impurity sorting part can be automatically transported to the coal impurity crusher, and the circulation of the entire mechanism can be realized.

[0038] Embodiment 3

[0039] See also Fig.11 The coal impurity crushing part 5 includes a crusher body 51, a crusher shell 511, a crusher cover 512, a crushing mechanism 52, a separation gear shaft 521, a crushing gear shaft 522, a crusher motor 523, a cleaning mechanism 53, a brush 531 and a brush motor 532. The crushing mechanism 52 and the cleaning mechanism 53 are both installed inside the crusher body 51; the crusher body 51 is installed on the ground 7; a crusher shell 511 is provided on one side of the crusher body 51, and the top of the crusher shell 511 is threadedly connected with the crusher cover 512, and a crushing gear shaft 522 is installed at the bottom of the inner wall of one side of the crusher shell 511. A separation gear shaft 521 is installed on the inner side of the shell 511, and the separation gear shaft 521 is located above the crushing gear shaft 522. A crusher motor 523 is installed in the middle of the crusher shell 511, and the output end of the crusher motor 523 is fixedly connected to the outer walls of the separation gear shaft 521 and the crushing gear shaft 522. A brush motor 532 is installed at the bottom of the inner wall on the other side of the crusher shell 511, and a brush 531 is installed on the top of the output shaft of the brush motor 532; a coal baffle 6 is installed on the top outer wall of the crusher shell 511, and the top of the coal baffle 6 is set with an inclination angle, which can be shielded by the coal baffle 6 to ensure the transportation of the coal mine.

[0040] After the coal is separated, the impurities are transported to the inside of the crusher casing 511. At this time, the crusher motor 523 is started to rotate the separation gear shaft 521 and the crushing gear shaft 522, and the impurities are crushed by the separation gear shaft 521 and the crushing gear shaft 522. Then, the brush motor 532 is started to rotate the brush 531, and the crushed impurities are cleaned by the brush 531, so that the impurities transported by the conveying part of the coal impurities can be automatically separated and crushed.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal impurity sorting unit, an impurity conveying unit and an impurity crushing unit, characterized in that: The invention comprises a coal conveyor belt (1), a steel fork (2), a coal impurity sorting section (3), a coal impurity conveying section (4), a coal impurity crushing section (5) and a ground (7); the coal conveyor belt (1) is installed above the ground (7); the coal impurity conveying section (4) is installed above the coal conveyor belt (1); the coal impurity sorting section (3) is installed on the coal impurity conveying section (4); the steel fork (2) is installed on the coal impurity conveying section (4); and the coal impurity crushing section (5) is installed at the bottom end of one side of the coal conveyor belt (1); The coal impurity separation section (3) comprises a box body (31), an upper box cover (311), a left box body (312), a right box body (313), a cam motor bracket (314), a column motor housing (315), a force sensor housing (316), a cam mechanism (32), a right push rod (321), a left push rod (322), a cam (323), a cam motor (324), a rotating shaft (325), a sliding rod (326), a force sensor (33) and a positioning column (34); the box body (31) is fixed to a building suspension beam, a cam mechanism (32) is installed in the box body (31), a force sensor (33) is installed in the box body (31), and a positioning column (34) is installed at the bottom end of the box body (31).

2. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 1, characterized in that: The bottom end of the upper box cover (311) is threadedly connected to the left box body (312), and the bottom end of the upper box cover (311) is threadedly connected to the right box body (313), and a gap is provided on the opposite surfaces of the left box body (312) and the right box body (313). The upper box cover (311) is provided with a column motor housing (315) between the left box body (312) and the right box body (313), and the top end of the positioning column (34) is installed on the outer wall of the column motor housing (315). The bottom ends of the left box body (312) and the right box body (313) are respectively installed with cam motor brackets (314), and the top end of the cam motor bracket (314) is installed with a cam motor (324) ), one end of the output shaft of the cam motor (324) is fixedly connected to a rotating shaft (325), one end of the rotating shaft (325) is fixedly connected to a cam (323), a right push rod (321) and a left push rod (322) are coaxially mounted on an outer wall of one side of the cam (323), a sliding rod (326) is mounted on one side of the right push rod (321) and the left push rod (322), and one side of the sliding rod (326) is slidably connected to the inner walls of the left box body (312) and the right box body (313), a force sensor housing (316) is mounted at the bottom end of the right box body (313), and one side of the positioning column (34) is mounted on the outer wall of the force sensor housing (316).

3. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 1, characterized in that: The coal impurity conveying section (4) comprises a transmission mechanism (41), a chain conveyor belt suspension (411), a chain conveyor belt chain (412), a sheet metal bracket (413), a wear-resistant strip (414), a power mechanism (42), a gear motor (421), a gear (422), a self-locking mechanism (43), a slider (431), a positioning groove (432), a slider bottom plate (433), a slider side plate (434), a limit rod motor bracket (435), an NFC module (44), a limit mechanism (45), a locking tongue (451), a limit rod (452) and a limit rod motor (453); the transmission mechanism (41) is installed at the gap of the box body shape (31); the power mechanism (42) is installed at the corner of the transmission mechanism (41); the self-locking mechanism (43) is installed on the outside of the transmission mechanism (41); and the NFC module (44) and the limit mechanism (45) are installed inside the self-locking mechanism (43).

4. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 3, characterized in that: A chain conveyor suspension (411) is installed at the gap of the box body shape (31), and a chain conveyor chain (412) is threadedly connected to the bottom end of the chain conveyor suspension (411), a sheet metal bracket (413) is installed between the chain conveyor chain (412) and the chain conveyor suspension (411), and a wear-resistant strip (414) is installed between the sheet metal bracket (413) and the chain conveyor chain (412), and a gear motor (421) is distributed and installed at the corner protrusion of the chain conveyor suspension (411), and a gear (422) is installed at the bottom end of the output shaft of the gear motor (421), and one side of the gear (422) is meshed and installed on the inner wall of the chain conveyor chain (412), and one side of the chain conveyor chain (412) is symmetrically slidably connected to a slider (43 1), one side of the slider (431) is threadedly connected with a positioning groove (432), the bottom end of the slider (431) is installed with a slider bottom plate (433), the outer side of the slider (431) is installed with a slider side plate (434), the inner side of the slider side plate (434) is installed with a limit rod motor bracket (435), and the NFC module (44) is opposite to one side of the limit rod motor bracket (435), and one side of the limit rod motor bracket (435) is installed with a limit rod motor (453), one end of the output shaft of the limit rod motor (453) is fixedly connected to the limit rod (452), a lock tongue (451) is installed on one side of the limit rod (452), and a spring is arranged on one side of the lock tongue (451), and the spring end of the lock tongue (451) contacts the inner wall of the slider (431).

5. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 1, characterized in that: The coal impurity crushing section (5) comprises a crusher body (51), a crusher housing (511), a crusher upper cover (512), a crushing mechanism (52), a separation gear shaft (521), a crushing gear shaft (522), a crusher motor (523), a cleaning mechanism (53), a brush (531) and a brush motor (532); the crushing mechanism (52) and the cleaning mechanism (53) are both installed inside the crusher body (51); and the crusher body (51) is installed on the ground (7).

6. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 5, characterized in that: A pulverizer housing (511) is provided on one side of the pulverizer body (51), and a pulverizer upper cover (512) is threadedly connected to the top of the pulverizer housing (511). A pulverizing gear shaft (522) is installed at the bottom of the inner wall of one side of the pulverizer housing (511), and a separation gear shaft (521) is installed on the inner side of the pulverizer housing (511), and the separation gear shaft (521) is located above the pulverizing gear shaft (522). A pulverizer motor (523) is installed in the middle of the pulverizer housing (511), and the output end of the pulverizer motor (523) is fixedly connected to the outer wall of the separation gear shaft (521) and the pulverizing gear shaft (522). A brush motor (532) is installed at the bottom of the inner wall of the other side of the pulverizer housing (511), and a brush (531) is installed at the top of the output shaft of the brush motor (532).

7. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 1, characterized in that: The steel fork (2) comprises a steel fork column (21), a short steel fork spike (22) and a long steel fork spike (23); the steel fork column (21) is mounted on the sliding block (431); the long steel fork spike (23) is symmetrically mounted on the outer wall of the bottom end of the steel fork column (21); the short steel fork spike (22) is symmetrically mounted on the bottom end of the steel fork column (21), and the short steel fork spike (22) is located on both sides of the long steel fork spike (23).

8. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 6, characterized in that: A coal baffle (6) is installed on the top outer wall of the pulverizer housing (511), and the top of the coal baffle (6) is provided with an inclination angle.

9. The coal impurity sorting unit, impurity conveying unit and impurity crushing integrated machine according to claim 4, characterized in that: The chain conveyor suspension (411) is in the shape of a quadrilateral.

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