CN219849884U - Crusher - Google Patents

Abstract

The utility model provides a crusher, comprising: the shell is provided with a feeding hole, a discharging hole and a crushing cavity which are communicated with each other, the feeding hole is positioned at the top of the shell, and the discharging hole is positioned at the bottom of the shell; the hammer piece assembly is rotatably arranged in the crushing cavity; the sieve plate is arranged on the inner wall of the crushing cavity; the vibrator is connected with the sieve plate so as to drive the sieve plate to vibrate through the vibration of the vibrator; the first detection component is arranged on the shell and is in signal connection with the vibrator, and the detection part of the first detection component is positioned in the crushing cavity so as to detect the flow and the mass of the material to be crushed in the crushing cavity, and further, the running state of the vibrator is controlled according to the detection result of the first detection component; wherein, the operational state of vibrator includes: operating speed, operating voltage, and operating frequency. The crusher solves the problem of poor wet coal cleaning effect on the sieve plate of the crusher in the prior art.

Description

Crusher

Technical Field

The utility model relates to the technical field of crushers, in particular to a crusher.

Background

In the trade process of coal commodity, the quality of coal needs to be analyzed and tested, a certain quality of coal sample needs to be taken according to a certain method before the analysis and test, after the coal sample is taken, the sample preparation needs to be carried out according to a certain method, and in the sample preparation process, a crusher needs to be used for gradually crushing large-sized coal into small-sized particles, wherein the crusher generally comprises a pair roller crusher, a jaw crusher, a hammer crusher and other types.

In the working process of the crusher, when the moisture content of coal is higher, phenomena of coal sticking and coal blocking easily occur on a scraping plate and a sieve plate, and in the prior art, adhered wet coal is generally treated in the following manner:

first, by adding a cleaning scraping block on the inner wall of the crushing cavity of the crusher, wet coal adhered to the surface of the hammer blade is scraped off by the scraping block when the hammer blade moves to the position of the cleaning scraping block. However, the wet coal on the hammer can be scraped by adopting the scraping block, but the wet coal on the screen of the crusher cannot be cleaned, and the wet coal on the screen of the crusher is a main cause of coal blockage of the crusher.

Second, through setting up the electromagnetic shaker, the electromagnetic shaker is connected with the sieve, drives the sieve vibrations through the vibrations of electromagnetic shaker to get rid of the wet coal of adhesion on the sieve. However, when the vibration frequency of the vibrator is fixed, the adhered wet coal is removed only by mechanical vibration, the effect is not obvious, only part of the coal can be vibrated down, the wet coal still gradually accumulates along with the progress of the crushing process, and finally the crusher cannot work normally.

Disclosure of Invention

The utility model mainly aims to provide a crusher to solve the problem that wet coal on a sieve plate of the crusher in the prior art is poor in cleaning effect.

In order to achieve the above object, the present utility model provides a crusher comprising: the shell is provided with a feeding hole, a discharging hole and a crushing cavity which are communicated with each other, the feeding hole is positioned at the top of the shell, and the discharging hole is positioned at the bottom of the shell; the hammer piece assembly is rotatably arranged in the crushing cavity; the sieve plate is arranged on the inner wall of the crushing cavity; the vibrator is connected with the sieve plate so as to drive the sieve plate to vibrate through the vibration of the vibrator; the first detection component is arranged on the shell and is in signal connection with the vibrator, and the detection part of the first detection component is positioned in the crushing cavity so as to detect the flow and the mass of the material to be crushed in the crushing cavity, and further, the running state of the vibrator is controlled according to the detection result of the first detection component; wherein, the operational state of vibrator includes: operating speed, operating voltage, and operating frequency.

Further, the casing includes: the shell body is provided with a feed inlet, a discharge outlet and a crushing cavity; the mounting frame is arranged at intervals with the casing main body and is connected with the casing main body; wherein, first detection component installs on the mounting bracket and is located the bottom of broken chamber.

Further, the crusher further comprises: the driving assembly comprises a first driving component, the driving assembly and the first detection component are respectively positioned at two sides of the shell, and the first driving component is in driving connection with the hammer assembly so as to drive the hammer assembly to rotate; and the second detection part is connected with the first driving part to detect the running speed of the first driving part and further control the running state of the first driving part according to the detection result of the second detection part.

Further, the first driving part is a driving motor, the hammer assembly comprises a rotating shaft, the rotating shaft is arranged on the shell in a penetrating way, and an output shaft of the driving motor is in driving connection with the rotating shaft; the second detecting part is connected with an output shaft or a rotating shaft of the driving motor to detect the rotating speed of the driving motor through the second detecting part.

Further, the crusher further comprises: the controller is arranged on the shell and is connected with the first detection component and the second detection component; and the alarm component is arranged on the shell and connected with the controller, and the controller controls the alarm component to send out an acoustic signal and/or an optical signal according to the detection result of the first detection component and/or the second detection component.

Further, the hammer assembly includes a plurality of hammers, and the crusher further includes: the cleaning scraping plate is arranged on the inner wall of the crushing cavity and positioned above the sieve plate, so that when the hammer blade rotates to the cleaning scraping plate, the cleaning scraping plate scrapes wet coal on the hammer blade through the movement of the hammer blade; wherein, the vibrator is connected with the cleaning scraper to drive the cleaning scraper to vibrate.

Further, the hammer piece assembly is provided with a plurality of rotating discs which are arranged at intervals, a plurality of hammer pieces are arranged on each rotating disc, and the hammer pieces on each rotating disc are arranged at intervals along the circumferential direction of the rotating disc; the vibrator comprises a vibration driving part and a vibration plate, the vibration driving part is in driving connection with the vibration plate, the vibration plate is arranged on the inner wall of the crushing cavity, and the sieve plate is arranged on the vibration plate; wherein one end of the vibration plate is connected with the cleaning scraping plate; along the distribution direction of a plurality of rolling discs, the vibrations board is connected with one side of sieve.

Further, the vibrating plate and the sieve plate are arc-shaped plates, and the rotating disc is a circular disc; when the hammer sheet rotates to the sieve plate, the protruding direction of the hammer sheet is parallel to the extending direction of the hole core line of the sieve holes of the sieve plate.

Further, the number of the vibrators, the cleaning scraping plates and the sieve plates is two, the two vibrators and the two sieve plates are arranged in one-to-one correspondence, and the two vibrators and the two cleaning scraping plates are arranged in one-to-one correspondence; and/or each vibrator comprises two vibration plates which are connected with two sides of the corresponding sieve plate along the distribution direction of the plurality of rotating discs.

Further, the two cleaning scrapers are symmetrically distributed on two sides of the feed inlet; and/or, along the protruding direction of the hammer sheets, the side edge of one end of each hammer sheet far away from the rotating disc is of an arc-shaped structure.

According to the technical scheme of the utility model, according to the crusher, materials to be crushed enter the crushing cavity from the feed inlet of the shell, the crushing of the materials to be crushed is realized through the rotation of the hammer assembly, the crushed materials with smaller particles pass through the sieve holes of the sieve plate and are discharged from the discharge outlet, in the process, the materials adhered to the sieve plate are vibrated down through the vibrating sieve of the vibrator to prevent the sieve holes of the sieve plate from being blocked, and in the utility model, the first detection part detects the flow and the mass of the materials to be crushed in the crushing cavity, when the first detection part detects that the flow and the mass of the materials to be crushed in the crushing cavity exceed the preset values, the crusher at the moment has the risk of coal blockage, the running speed, the running voltage and the running frequency of the vibrator are controlled to be improved, so that the vibrator has larger vibration strength, and thus the good technical effect is achieved, wherein the greater the flow and the mass of the materials to be crushed are, the running speed, the running voltage and the running frequency are greater. Thus, the problem of poor cleaning effect of the sieve plate of the crusher in the prior art is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic overall structure of an embodiment of a crusher according to the utility model;

fig. 2 shows an enlarged schematic view of region a of the crusher according to fig. 1;

fig. 3 shows a schematic structural view of a vibrator of a crusher according to the present utility model;

fig. 4 shows a block diagram of the cooperation of a screening deck of a crusher with a row of hammers according to the utility model;

fig. 5 shows a schematic structural view of a hammer of the crusher according to the present utility model;

fig. 6 shows a schematic view of the mounting structure of the hammer of the crusher according to the present utility model.

Wherein the above figures include the following reference numerals:

10. a housing; 11. a case main body; 12. a mounting frame; 101. a feed inlet; 102. a discharge port; 100. a crushing cavity; 20. a hammer assembly; 21. a rotating shaft; 22. a hammer sheet; 23. a rotating disc; 24. a hammer piece mounting seat; 30. a sieve plate; 40. a vibrator; 41. a vibration driving part; 42. a vibration plate; 43. a shock transmission seat; 50. a first detecting section; 60. a drive assembly; 61. a first driving part; 70. a second detecting section; 80. a cleaning blade; 81. a mounting member; 82. a scraper segment.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 6, the present utility model provides a crusher, comprising: the shell 10, the shell 10 has a feeding hole 101, a discharging hole 102 and a crushing cavity 100 which are communicated with each other, the feeding hole 101 is positioned at the top of the shell 10, and the discharging hole 102 is positioned at the bottom of the shell 10; a hammer assembly 20, the hammer assembly 20 being rotatably mounted within the crushing chamber 100; a screen plate 30, the screen plate 30 being mounted on an inner wall of the crushing chamber 100; a vibrator 40, wherein the vibrator 40 is connected with the screen plate 30 to drive the screen plate 30 to vibrate through the vibration of the vibrator 40; the first detection component 50 is arranged on the shell 10, the first detection component 50 is in signal connection with the vibrator 40, the detection part of the first detection component 50 is positioned in the crushing cavity 100 to detect the flow and the mass of the material to be crushed in the crushing cavity 100, and then the running state of the vibrator 40 is controlled according to the detection result of the first detection component 50; the operating states of the vibrator 40 include: operating speed, operating voltage, and operating frequency.

According to the crusher of the present utility model, the material to be crushed is introduced into the crushing chamber 100 through the feed port 101 of the casing 10, crushing of the material to be crushed is achieved by rotation of the hammer assembly 20, and the crushed material with smaller particles is discharged through the mesh holes of the screen plate 30 and is discharged through the discharge port, in the above process, the material adhered to the screen mesh is vibrated down by the vibration screen of the vibrator 40 to prevent the mesh holes of the screen plate from being blocked, and in the present utility model, the flow and mass of the material to be crushed in the crushing chamber 100 are detected by the first detecting means 50, when the first detecting means 50 detects that the flow and mass of the material to be crushed in the crushing chamber 100 exceeds the predetermined values, the crusher at this time is at risk of coal blockage, the operation speed, the operation voltage and the operation frequency of the vibrator are controlled to be increased at this time, so that the vibrator has a larger vibration strength, thereby achieving a good technical effect, wherein the flow and mass of the material to be crushed are larger, the operation speed, the operation voltage and the operation frequency of the vibrator are larger. Thus, the problem of poor cleaning effect of the sieve plate of the crusher in the prior art is solved.

In the prior art, the vibrator is generally operated in a long-open or long-closed mode. In the utility model, the vibrator works at certain time intervals to improve the cleaning efficiency.

Wherein, the material to be crushed is coal, and the first detection part 50 detects the coal flow of the coal.

In the utility model, as the feed inlet is arranged at the top of the shell, the coal flow is the mass which falls into the crushing cavity from the feed inlet within 1 second; the vibrator adopts an electromagnetic vibration mode so as to adjust vibration voltage and vibration frequency.

Thus, in the present utility model, the casing 10 includes: a housing body 11, the housing body 11 having a feed inlet, a discharge outlet 102 and a crushing chamber 100; the mounting frame 12 is arranged at intervals with the shell main body 11, and the mounting frame 12 is connected with the shell main body 11; wherein the first detecting member 50 is mounted on the mounting frame 12 at the bottom of the crushing chamber 100, so that the coal flow can be better detected.

Specifically, the crusher further comprises: the driving assembly 60, the driving assembly 60 includes the first driving part 61, the driving assembly 60 and the first detecting part 50 are located on two sides of the chassis 10 respectively, the first driving part 61 is connected with the hammer assembly 20 in a driving way, so as to drive the hammer assembly 20 to rotate; and a second detecting part 70, the second detecting part 70 being connected with the first driving part to detect the operation speed of the first driving part, and further controlling the operation state of the first driving part according to the detection result of the second detecting part 70. Wherein the operating state of the first drive component includes an operating speed, an operating voltage, and an operating frequency.

In the embodiment of the utility model, the first driving part is a driving motor, the hammer assembly 20 comprises a rotating shaft 21, the rotating shaft 21 is arranged on the casing 10 in a penetrating way, and an output shaft of the driving motor is in driving connection with the rotating shaft 21; the second detecting part 70 is connected to the output shaft or the rotation shaft 21 of the driving motor to detect the rotation speed of the driving motor by the second detecting part 70. Wherein, through the output shaft of control driving motor rapid acceleration, rapid deceleration to lean on centrifugal force clean hammer leaf.

Specifically, the crusher further comprises: the controller is arranged on the shell 10 and is connected with the first detection part 50 and the second detection part 70; and the alarm part is arranged on the shell 10 and is connected with the controller, and the controller controls the alarm part to send out an acoustic signal and/or an optical signal according to the detection result of the first detection part and/or the second detection part.

Specifically, when the first detecting unit 50 does not detect the coal flow (the mass and the flow rate of the material to be crushed) within the predetermined time range, the controller judges that the coal blockage has occurred in the crushing cavity at this time, and the controller sends a coal blockage early warning signal to the alarm unit so as to control the alarm unit to send an acoustic signal and/or an optical signal.

Specifically, when the second detecting part 70 detects that the rotation speed of the output shaft of the driving motor fluctuates within a preset range, the controller judges that wet coal is adhered to the hammer sheet or the risk of coal blockage in the crushing cavity exists, and at the moment, the controller controls the rotation speed of the driving motor to be increased; or adopting a rapid deceleration and rapid acceleration mode to clean the hammer by centrifugal force; when the second detecting part 70 detects that the rotation speed of the output shaft of the driving motor drops rapidly (that is, detects that the speed of the output shaft of the driving motor drops to a predetermined value within a preset time range), the risk of coal blockage in the crushing cavity judged by the controller is high at this time, and when the condition that the rotation speed of the output shaft of the driving motor drops rapidly continuously occurs, the controller judges that coal blockage is already generated in the crushing cavity, and at this time, the output shaft of the driving motor is controlled to stop rotating, and the manual intervention is waited for, so that serious coal blockage is avoided.

Specifically, when the first detecting part 50 detects that the flow rate and the mass of the material to be crushed in the crushing cavity 100 exceed 50% of the normal coal flow set value, the controller judges that the crusher at the moment has the risk of coal blockage, and then the controller controls to increase the running speed, the running voltage and the running frequency of the vibrator, wherein the normal coal flow set value is different according to different coal moisture, and the larger the coal moisture is, the higher the normal coal flow set value is.

Alternatively, the controller may be a PLC module, host computer software, an industrial personal computer, or the like.

Specifically, the hammer assembly 20 includes a plurality of hammers 22, and the crusher further includes: a cleaning blade 80, the cleaning blade 80 being disposed on an inner wall of the crushing chamber 100 above the screen plate 30 so that the cleaning blade 80 scrapes wet coal on the hammer 22 by movement of the hammer 22 when the hammer 22 rotates to the cleaning blade 80; wherein the vibrator 40 is connected to the cleaning blade 80 to vibrate the cleaning blade 80. Through above-mentioned setting, can further prevent that broken intracavity from taking place wet coal and blocking up, the scraper blade sets up in the top of sieve to make the wet coal on the scraper blade drop on the sieve through gravity effect, and through the connection of electromagnetic shaker with cleaning blade 80, can shake the wet coal on the cleaning blade and fall, in order to further prevent wet coal adhesion on the scraper blade, thereby improve the cleaning efficiency of wet coal.

Specifically, the hammer assembly 20 has a plurality of rotating discs 23 arranged at intervals, each rotating disc 23 is provided with a plurality of hammers 22, and the hammers 22 on each rotating disc 23 are arranged at intervals along the circumferential direction of the rotating disc 23; the vibrator 40 comprises a vibration driving part 41 and a vibration plate 42, the vibration driving part 41 is in driving connection with the vibration plate 42, the vibration plate 42 is arranged on the inner wall of the crushing cavity 100, and the sieve plate 30 is arranged on the vibration plate 42; wherein one end of the vibration plate 42 is connected to the cleaning blade 80; along the distribution direction of the plurality of rotating discs 23, a vibrating plate 42 is connected to one side of the screen plate 30. The arrangement between the vibrator and the sieve plate makes the crusher compact in structure.

Specifically, the plurality of hammer sheets 22 form a plurality of rows of hammer sheet groups, the plurality of rows of hammer sheet groups are arranged at intervals around the circumference of the rotating disc 23, each row of hammer sheet groups is provided with a plurality of hammer sheets, the plurality of hammer sheets of each row of hammer sheet groups are sequentially arranged along the distribution direction of the plurality of rotating discs 23, and hammer sheet gaps are formed between two adjacent rows of hammer sheet groups. The distribution direction of the plurality of rotary discs 23 is the extending direction of the output shaft of the first driving member 61 (driving motor).

In the present utility model, the number of hammer sets is even, and a plurality of rows of hammer sets are uniformly distributed on the rotary disk 23.

Specifically, the hammer assembly 20 further includes a plurality of hammer mounting seats 24, each of the hammer mounting seats 24 has two opposite hammer mounting plates, the hammer 22 is located between the two hammer mounting plates, so that the hammer is mounted on the hammer mounting seat 24 by fasteners penetrating the two hammer mounting plates and the hammer 22, the hammer mounting seat 24 is connected with the rotating disc, and the plurality of hammer mounting seats are arranged in one-to-one correspondence with the plurality of hammers.

As shown in fig. 3, the vibrator 40 further includes a vibration-transmitting seat 43, the vibration driving component 41 is a vibration motor, the vibration motor is in driving connection with the vibration-transmitting seat, the vibration-transmitting seat 43 is connected with the vibration plate 42, and the structural connection of the vibrator is reliable. The vibration-transmitting base 43 includes two vibration-transmitting plates disposed opposite to each other, and the vibration motor is disposed between the two vibration-transmitting plates.

Preferably, the vibration plate 42 and the screen plate 30 are arc-shaped plates, and the rotating disc 23 is a circular disc; wherein, when the hammer 22 rotates to the screen plate 30, the protruding direction of the hammer 22 is parallel to the extending direction of the hole center line of the screen holes of the screen plate 30. Like this, in the broken in-process of waiting to break the material, wait to break the material and have the position that is located between sieve mesh and the hammer leaf of sieve to through the motion of hammer leaf, make waiting to break the material and be broken between hammer leaf and sieve, and make the mesh that the tiny granule material after breaking directly passes through the sieve mesh of sieve, improved through efficiency, the material that is not broken completely in the breakage is located next hammer leaf clearance, like this, realized alternately extrusion in proper order, has loose material, reduces the effect of coal blocking risk.

In order to further improve the anti-blocking effect in the crushing cavity of the crusher, the two vibrators 40, the two cleaning scrapers 80 and the two sieve plates 30 are arranged in a one-to-one correspondence manner, and the two vibrators 40 and the two cleaning scrapers 80 are arranged in a one-to-one correspondence manner; and/or, each vibrator 40 includes two vibration plates 42, and the two vibration plates 42 are connected to both sides of the corresponding screen plate 30 along the distribution direction of the plurality of rotation discs 23.

In order to ensure the relative position between the cleaning blades 80 and the mesh holes of the screen plate, the two cleaning blades 80 are symmetrically distributed on both sides of the feed inlet 101; and/or, along the protruding direction of the hammer 22, the side edge of one end of each hammer 22 far away from the rotating disc 23 is in an arc-shaped structure.

Specifically, each cleaning blade 80 includes a mounting member 81 and a plurality of blade segments 82 that set gradually, the mounting member 81 is mounted on the inner wall of the crushing chamber 100, the mounting member 81 has a mounting arcuate surface, the plurality of blade segments 82 are all mounted on the mounting arcuate surface, each blade segment 82 has a first plate surface that is close to one side of the hammer assembly 20 and a second plate surface that is away from one side of the hammer assembly 20, and a preset angle is set between the first plate surface and the second plate surface.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

according to the crusher of the present utility model, the material to be crushed is introduced into the crushing chamber 100 through the feed port 101 of the casing 10, crushing of the material to be crushed is achieved by rotation of the hammer assembly 20, and the crushed material with smaller particles is discharged through the mesh holes of the screen plate 30 and is discharged through the discharge port, in the above process, the material adhered to the screen mesh is vibrated down by the vibration screen of the vibrator 40 to prevent the mesh holes of the screen plate from being blocked, and in the present utility model, the flow and mass of the material to be crushed in the crushing chamber 100 are detected by the first detecting means 50, when the first detecting means 50 detects that the flow and mass of the material to be crushed in the crushing chamber 100 exceeds the predetermined values, the crusher at this time is at risk of coal blockage, the operation speed, the operation voltage and the operation frequency of the vibrator are controlled to be increased at this time, so that the vibrator has a larger vibration strength, thereby achieving a good technical effect, wherein the flow and mass of the material to be crushed are larger, the operation speed, the operation voltage and the operation frequency of the vibrator are larger. Thus, the problem of poor cleaning effect of the sieve plate of the crusher in the prior art is solved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A crusher, comprising:

the crushing machine comprises a machine shell (10), wherein the machine shell (10) is provided with a feeding hole (101), a discharging hole (102) and a crushing cavity (100) which are communicated with each other, the feeding hole (101) is arranged at the top of the machine shell (10), and the discharging hole (102) is arranged at the bottom of the machine shell (10);

a hammer assembly (20), the hammer assembly (20) being rotatably mounted within the crushing chamber (100);

a screen plate (30), the screen plate (30) being mounted on an inner wall of the crushing chamber (100);

the vibrator (40) is connected with the sieve plate (30) to drive the sieve plate (30) to vibrate through the vibration of the vibrator (40);

the first detection component (50) is arranged on the shell (10), the first detection component (50) is in signal connection with the vibrator (40), and a detection part of the first detection component (50) is positioned in the crushing cavity (100) to detect the flow and the mass of the material to be crushed in the crushing cavity (100), and further, the running state of the vibrator (40) is controlled according to the detection result of the first detection component (50); wherein the operating state of the vibrator (40) comprises: operating speed, operating voltage, and operating frequency.

2. The crusher according to claim 1, characterized in that the shell (10) comprises:

a casing body (11), wherein the casing body (11) is provided with the feeding port (101), the discharging port (102) and the crushing cavity (100);

the mounting frame (12) is arranged at intervals with the machine shell main body (11), and the mounting frame (12) is connected with the machine shell main body (11);

wherein the first detection member (50) is mounted on the mounting frame (12) and is located at the bottom of the crushing chamber (100).

3. The crusher according to claim 1, further comprising:

the driving assembly (60), the driving assembly (60) comprises a first driving component (61), the driving assembly (60) and the first detecting component (50) are respectively positioned at two sides of the shell (10), and the first driving component (61) is in driving connection with the hammer assembly (20) so as to drive the hammer assembly (20) to rotate;

and a second detection part (70), wherein the second detection part (70) is connected with the first driving part to detect the running speed of the first driving part, and further control the running state of the first driving part according to the detection result of the second detection part (70).

4. A crusher according to claim 3, wherein,

the first driving part is a driving motor, the hammer assembly (20) comprises a rotating shaft (21), the rotating shaft (21) is arranged on the machine shell (10) in a penetrating mode, and an output shaft of the driving motor is in driving connection with the rotating shaft (21);

the second detection part (70) is connected with an output shaft of the driving motor or the rotating shaft (21) so as to detect the rotating speed of the driving motor through the second detection part (70).

5. A crusher according to claim 3, characterized in that the crusher further comprises:

the controller is arranged on the shell (10) and is connected with the first detection component (50) and the second detection component (70);

and the alarm component is arranged on the shell (10), the alarm component is connected with the controller, and the controller controls the alarm component to send out an acoustic signal and/or an optical signal according to the detection result of the first detection component and/or the second detection component.

6. The crusher according to any one of claims 1 to 5, wherein the hammer assembly (20) comprises a plurality of hammers (22), the crusher further comprising:

a cleaning blade (80), the cleaning blade (80) being disposed on an inner wall of the crushing chamber (100) above the screen plate (30) to cause the cleaning blade (80) to scrape wet coal on the hammer (22) by movement of the hammer (22) when the hammer (22) is rotated to the cleaning blade (80);

wherein the vibrator (40) is connected with the cleaning blade (80) to drive the cleaning blade (80) to vibrate.

7. A crusher according to claim 6, wherein,

the hammer assembly (20) is provided with a plurality of rotating discs (23) which are arranged at intervals, a plurality of hammer sheets (22) are arranged on each rotating disc (23), and the hammer sheets (22) on each rotating disc (23) are arranged at intervals along the circumferential direction of the rotating disc (23);

the vibrator (40) comprises a vibration driving part (41) and a vibration plate (42), the vibration driving part (41) is in driving connection with the vibration plate (42), the vibration plate (42) is arranged on the inner wall of the crushing cavity (100), and the sieve plate (30) is arranged on the vibration plate (42);

wherein one end of the vibration plate (42) is connected to the cleaning blade (80); along the distribution direction of a plurality of rotating discs (23), the vibrating plate (42) is connected with one side of the sieve plate (30).

8. A crusher according to claim 7, wherein,

the vibrating plate (42) and the sieve plate (30) are arc-shaped plates, and the rotating disc (23) is a circular disc;

when the hammer piece (22) rotates to the position of the sieve plate (30), the protruding direction of the hammer piece (22) is parallel to the extending direction of the hole center line of the sieve holes of the sieve plate (30).

9. The crusher according to claim 7, wherein the vibrators (40), the cleaning blades (80) and the screen plates (30) are each provided in two, the two vibrators (40) and the two screen plates (30) are provided in one-to-one correspondence, and the two vibrators (40) and the two cleaning blades (80) are provided in one-to-one correspondence; and/or the number of the groups of groups,

each vibrator (40) comprises two vibrating plates (42), and the two vibrating plates (42) are connected with two sides of the corresponding sieve plate (30) along the distribution direction of the plurality of rotating discs (23).

10. The crusher according to claim 9, characterized in that two cleaning blades (80) are symmetrically distributed on both sides of the feed opening (101); and/or the number of the groups of groups,

along the protruding direction of the hammer piece (22), the side edge of one end of each hammer piece (22) far away from the rotating disc (23) is of an arc-shaped structure.