Crushing device for mining

Abstract

The utility model relates to the technical field of mining, in particular to a mining crushing device which comprises a partition plate transversely arranged in a crushing box, the partition plate divides the crushing box into a crushing cavity and a screening cavity from top to bottom, the partition plate is provided with a discharging opening, and a feeding opening is formed in the top, corresponding to the discharging opening, of the crushing cavity. A crushing assembly is arranged in the crushing cavity between the feeding opening and the discharging opening, and a screening assembly is arranged in the screening cavity; a plurality of spraying pipes are horizontally arranged above the discharging opening and in the screening cavity respectively, spraying heads are arranged on the spraying pipes, the spraying pipes are connected through a connecting assembly, and when one spraying pipe swings under the driving of the swinging assembly, the other spraying pipes swing synchronously under the action of the connecting assembly; the liquid storage box is arranged on one side of the crushing box, a liquid inlet and a liquid outlet are formed in the liquid storage box, a liquid outlet pipe is arranged on the liquid outlet, and the free end of the liquid outlet pipe communicates with the multiple spraying pipes through multiple rotary joints correspondingly. The dust removal device has the advantages of good dust removal effect and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to mining technical field, concretely is a kind of crushing device for mining. BACKGROUND

[0002] Crushing device for mining is essential equipment in mining operation, for crushing the large block ore mined into smaller particles, so that subsequent processing and transportation. The crusher commonly used by people is e-type crusher.

[0003] Therefore, patent document discloses a kind of crushing device for mining (application number: 202223306466.3), including chassis, crushing box and induced draft fan, the top of chassis is fixedly installed with crushing box, the top side of crushing box is installed with belt pulley by bearing, the inside of belt pulley is installed with dynamic jaw plate by eccentric shaft, the inside side of crushing box is fixedly installed with static jaw plate, the inside side of chassis is fixedly installed with induced draft fan, the inside of chassis is installed with screen rack, the bottom of screen rack is fixedly installed with vibration motor.

[0004] The above patent document is convenient for staff to rebreak coarse particles, but the above patent document uses induced draft fan to remove dust, which will continuously impact and rub the impeller, casing and other components of the fan during dust removal. Especially when dealing with high-hardness ore dust or dust containing sharp particles, the induced draft fan is easily damaged, thereby reducing the air extraction capacity, reducing the ventilation volume and affecting the dust removal effect. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of crushing device for mining, to solve the technical problem of poor dust removal effect in prior art.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of crushing device for mining, comprising:

[0007] Crushing box, the transverse direction is provided with baffle in it, the baffle is divided into crushing cavity, screening cavity from top to bottom by the baffle, the baffle is provided with discharge port, the top of the crushing cavity corresponding with the discharge port is provided with feed inlet, the crushing cavity between feed inlet and discharge port is provided with crushing assembly, the screening cavity is provided with screening assembly;

[0008] Multiple spray pipes are respectively horizontally arranged above feed inlet and in screening cavity, the spray pipe is provided with spray head, multiple spray pipes are connected by connecting assembly, when one spray pipe swings under the drive of swing assembly, other spray pipes swing synchronously under the action of connecting assembly;

[0009] A liquid storage tank is arranged on one side of the crushing tank, the liquid storage tank is provided with a liquid inlet and a liquid outlet, the liquid outlet is provided with a liquid outlet pipe, the free end of the liquid outlet pipe is connected with a plurality of spray pipes through a plurality of rotary joints respectively, and a stirring assembly is arranged in the liquid storage tank.

[0010] The further improvement of the utility model lies in that the swing assembly comprises:

[0011] A first driving source is arranged on the crushing tank, and the first driving source is provided with a wheel disc.

[0012] A rack is vertically and slidably arranged on the crushing tank, the long slot hole at the end of the rack is slidably connected with the guide column arranged eccentrically on the wheel disc, and the rack is engaged with the first gear arranged at the end of one of the spray pipes.

[0013] The further improvement of the utility model lies in that the connecting assembly comprises a plurality of pulleys, each of the spray pipes is provided with a pulley, one pulley is arranged on the first and last spray pipes, and two pulleys are arranged on the other spray pipes, and the two pulleys on the spray pipe are connected with the corresponding pulleys on the adjacent two spray pipes through two first belts respectively.

[0014] The further improvement of the utility model lies in that the stirring assembly comprises:

[0015] A first stirring shaft is vertically arranged in the liquid storage tank, and the first stirring shaft is provided with a first stirring blade.

[0016] A second stirring shaft is sleeved on the first stirring shaft, and the second stirring shaft is provided with a second stirring blade.

[0017] A driving assembly is connected with the first stirring shaft and the second stirring shaft respectively, and is used for driving the first stirring shaft and the second stirring shaft to rotate in opposite directions.

[0018] The further improvement of the utility model lies in that the driving assembly comprises:

[0019] A first bevel gear is arranged at the end of the first stirring shaft.

[0020] A second bevel gear is arranged at the end of the second stirring shaft, and the second bevel gear is arranged opposite to the first bevel gear.

[0021] A third bevel gear rotates under the drive of the second driving source, the third bevel gear is arranged between the first bevel gear and the second bevel gear, and is engaged with the first bevel gear and the second bevel gear respectively.

[0022] The further improvement of the utility model lies in that the screening assembly comprises a sieve plate obliquely arranged in the screening cavity below the discharge port, a discharge port is arranged on the side wall of the screening cavity corresponding to the lower end of the sieve plate, and the sieve plate vibrates under the drive of the vibration assembly.

[0023] The further improvement of the utility model lies in that the lower end of the sieve plate is hingedly connected with the lower end of the discharge port, the vibration assembly comprises an eccentric wheel arranged below the higher end of the sieve plate, the outer circumferential surface of the eccentric wheel is in contact with the lower surface of the sieve plate, and the eccentric wheel rotates under the drive of the third driving source.

[0024] The further improvement of the utility model lies in that the crushing assembly comprises:

[0025] A stationary jaw plate is vertically arranged in the crushing cavity below the feeding port;

[0026] A movable jaw plate is oppositely arranged with the stationary jaw plate;

[0027] A first rotating shaft is eccentrically and rotatably arranged on the fixed wheel on the upper end of the movable jaw plate, two first rotating wheels are arranged at the two ends of the first rotating shaft, a second rotating wheel is arranged on one side of one of the first rotating wheels, the second rotating wheel rotates under the drive of the fourth driving source, and the first rotating wheel and the second rotating wheel are connected through a second belt;

[0028] A first connecting rod is hingedly connected at the first end with the side of the movable jaw plate away from the stationary jaw plate and at the second end with the side wall of the crushing cavity.

[0029] Thanks to the above technical scheme, the utility model has the following technical progress:

[0030] The utility model provides a kind of crushing device for mining, material is entered crushing cavity from feeding port, subsequently, after the crushing of crushing assembly, it is sent to screening cavity from discharge port, screening assembly is screened to the material after crushing, it is very easy to produce dust when material enters feeding port and crushing, there is also dust when material after crushing falls to screening assembly, so multiple spray pipes are installed in feeding port and screening cavity, dust-settling solution in liquid storage tank is sent to multiple spray pipes in liquid outlet pipe, multiple rotary joints, subsequently, is sprayed by spray head, can effectively carry out dust removal, and swing assembly drives one of spray pipes to swing, other spray pipes are synchronously swung under the action of connecting assembly, multiple spray pipes can be effectively sprayed in large range, to increase dust removal range, compared with prior art, can effectively improve dust removal effect. DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0032] Figure 1 It is a whole structure schematic view of the crushing device.

[0033] Figure 2 It is a swing assembly structure schematic view of the crushing device.

[0034] Figure 3 It is a connecting assembly structure schematic view of the crushing device.

[0035] Figure 4 It is a stirring assembly structure schematic view of the crushing device.

[0036] Figure 5 It is a crushing assembly structure schematic view of the crushing device.

[0037] Figure 6 It is a vibration assembly structure schematic view of the crushing device.

[0038] Explanation of reference signs:

[0039] 10-crushing box, 101-inlet, 102-outlet, 11-baffle, 111-discharge port, 12-spraying pipe, 121-spraying head, 122-rotary joint, 13-liquid storage tank, 131-liquid inlet, 132-liquid outlet pipe, 20-swing assembly, 21-first driving source, 22-wheel disc, 221-guide column, 23-rack, 231-long slot hole, 24-first gear, 30-connecting assembly, 31-belt wheel, 32-first belt, 40-stirring assembly, 41-first stirring shaft, 411-first stirring blade, 412-first bevel gear, 42-second stirring shaft, 421-second stirring blade, 422-second bevel gear, 43-second driving source, 44-third bevel gear, 50-vibration assembly, 51-eccentric wheel, 52-third driving source, 53-sieve plate, 60-crushing assembly, 61-static jaw plate, 62-dynamic jaw plate, 621-fixed wheel, 63-first rotating shaft, 631-first rotating wheel, 64-second rotating wheel, 641-fourth driving source, 65-second belt, 66-first connecting rod. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, specific details, such as specific system structures, technologies and the like, are given in the following description only for the purpose of illustration rather than for the purpose of limitation, so as to make the present utility model embodiments be thoroughly understood. However, it should be clear for those skilled in the art that the present utility model can also be implemented in other embodiments without the specific details. In other cases, the detailed description of well-known systems, devices, circuits and methods is omitted, so as not to obscure the description of the present utility model with unnecessary details.

[0041] The utility model provides a kind of crushing device for mining, in combination with the description attached Figure 1 to attached Figure 6 It can be known that a kind of crushing device for mining mainly includes following part or component: crushing box 10, spray pipe 12, liquid storage tank 13.

[0042] In the utility model, the transverse and fixedly arranged baffle 11 is arranged in the crushing box 10, the baffle 11 divides the crushing box 10 from top to bottom into crushing cavity and screening cavity, the baffle 11 is provided with a discharge port 111, the top of the crushing cavity corresponding to the discharge port 111 is provided with a feed inlet 101, the crushing assembly 60 is arranged in the crushing cavity between the feed inlet 101 and the discharge port 111, and the screening assembly is arranged in the screening cavity;Multiple spray pipes 12 are horizontally arranged above the feed inlet 101 and in the screening cavity respectively, the spray head 121 is fixedly arranged on the spray pipe 12, and the multiple spray pipes 12 are connected by the connecting assembly 30, when one of the spray pipes 12 swings under the driving of the swing assembly 20, the other spray pipes 12 swing synchronously under the action of the connecting assembly 30;The liquid storage tank 13 is fixedly arranged on one side of the crushing box 10, the liquid storage tank 13 is provided with a liquid inlet 131 and a liquid outlet, the liquid outlet is fixedly provided with a liquid outlet pipe 132, the free end of the liquid outlet pipe 132 is communicated with the multiple spray pipes 12 through multiple rotary joints 122 respectively, and the liquid storage tank 13 is provided with the stirring assembly 40.

[0043] The material enters the crushing cavity from the feeding port 101, and then is sent to the screening cavity from the discharge port 111 after being crushed by the crushing assembly 60. The screening assembly screens the crushed material. Dust is easily generated when the material enters the feeding port 101 and is crushed. Dust is also generated when the crushed material falls on the screening assembly. Therefore, a plurality of spray pipes 12 are installed in the discharge port 102 and the screening cavity. The dust suppression solution (a mixture of water and dust suppressant) stirred by the stirring assembly 40 in the liquid storage tank 13 is sent to the plurality of spray pipes 12 through the liquid outlet pipe 132, the plurality of rotary joints 122, and then sprayed through the spray head 121, which can effectively suppress dust. The swinging assembly 20 drives one of the spray pipes 12 to swing, and the other spray pipes 12 swing synchronously under the action of the connecting assembly 30, so that the plurality of spray pipes 12 can be sprayed in a large range, thereby increasing the dust suppression range and improving the dust suppression effect.

[0044] Specifically, a feeding channel can be installed above the feeding port 101, and the spray pipe 12 is in the feeding channel. A conveying belt for conveying the material is installed in the feeding channel on one side of the feeding port 101. The feeding channel can prevent the bounced gravel from splashing on others when the material is crushed.

[0045] As an embodiment, the application is described in conjunction with the drawings Figure 2 It can be seen that the swinging assembly 20 comprises a first driving source 21 fixedly arranged on the crushing box 10, and a wheel disc 22 fixedly arranged on the first driving source 21. A rack 23 is vertically and slidably arranged on the crushing box 10. A long slot hole 231 at the end of the rack 23 is slidably connected with a guide column 221 eccentrically and fixedly arranged on the wheel disc 22. The rack 23 is engaged with a first gear 24 fixedly arranged at the end of one of the spray pipes 12.

[0046] The first driving source 21 drives the wheel disc 22 to rotate. The guide column 221 on the wheel disc 22 drives the rack 23 to slide through cooperation with the long slot hole 231. The rack 23 drives the first gear 24 to alternately rotate forward and backward. The first gear 24 drives one of the spray pipes 12 to swing.

[0047] Specifically, the first driving source 21 is a first motor.

[0048] As an embodiment, the application is described in conjunction with the drawings Figure 3 It can be seen that the connecting assembly 30 comprises a plurality of pulleys 31. Each of the spray pipes 12 is fixedly provided with a pulley 31. One pulley 31 is arranged on the first and last spray pipes 12, and two pulleys 31 are arranged on the other spray pipes 12. The two pulleys 31 on the spray pipe 12 are connected with the corresponding pulleys 31 on the adjacent two spray pipes 12 through two first belts 32, respectively.

[0049] When one of the spray pipes 12 swings, the two pulleys 31 on it will alternately rotate in opposite directions (if it is the first and last two spray pipes 12, one pulley 31 on each will alternately rotate in opposite directions), and the two pulleys 31 will drive the corresponding pulleys 31 on the adjacent two spray pipes 12 to alternately rotate in opposite directions through the two first belts 32, and the pulleys 31 drive the spray pipes 12 to swing, and other spray pipes 12 will also swing in turn, that is, all the spray pipes 12 can swing.

[0050] Specifically, the spray pipes 12 are three, and each of the first and last two spray pipes 12 has one pulley 31, and the middle spray pipe 12 has two pulleys 31, and the two pulleys 31 on the middle spray pipe 12 are connected with the pulleys 31 on the first and last two spray pipes 12 through the two first belts 32, and when one of the spray pipes 12 swings, the first belts 32 and the pulleys 31 can realize the synchronous swinging of the three spray pipes 12 through the interaction of the first belts 32 and the pulleys 31.

[0051] Specifically, among the three spray pipes 12, one is installed above the feed inlet 101, and the other two are installed above and below the sieve plate 53, respectively, so that dust removal can be performed to the maximum extent.

[0052] As an embodiment, the spray pipes 12 are shown in the drawings. Figure 4 It can be seen that the stirring assembly 40 includes a first stirring shaft 41 vertically arranged in the liquid storage tank 13, and a first stirring blade 411 is fixedly arranged on the first stirring shaft 41; a second stirring shaft 42 is sleeved on the first stirring shaft 41, and a second stirring blade 421 is fixedly arranged on the second stirring shaft 42; a driving assembly is connected with the first stirring shaft 41 and the second stirring shaft 42, and is used to drive the first stirring shaft 41 and the second stirring shaft 42 to rotate in opposite directions. The driving assembly includes a first bevel gear 412 fixedly arranged at the end of the first stirring shaft 41; a second bevel gear 422 is fixedly arranged at the end of the second stirring shaft 42, and the second bevel gear 422 is arranged opposite to the first bevel gear 412; a third bevel gear 44 rotates under the driving of a second driving source 43, and the third bevel gear 44 is arranged between the first bevel gear 412 and the second bevel gear 422 and is engaged with the first bevel gear 412 and the second bevel gear 422, respectively.

[0053] The second driving source 43 drives the third bevel gear 44 to rotate, the third bevel gear 44 drives the first bevel gear 412 to rotate, the first bevel gear 412 drives the first stirring shaft 41 to rotate, the first stirring shaft 41 drives the first stirring blade 411 to stir the dust-settling solution, at the same time, the third bevel gear 44 drives the second bevel gear 422 to rotate, and the second bevel gear 422 rotates in the opposite direction of the first bevel gear 412 because the second bevel gear 422 is oppositely arranged with the first bevel gear 412, the second bevel gear 422 drives the second stirring shaft 42 to rotate in the opposite direction of the first stirring shaft 41, the second stirring blade 421 on the second stirring shaft 42 stirs the dust-settling solution, and the first stirring shaft 41 and the second stirring shaft 42 cooperate to stir, so that the water and the dust suppressant can be quickly mixed, and the work efficiency is improved.

[0054] Specifically, the second driving source 43 is a second motor.

[0055] As an embodiment, the accompanying drawings are combined with the description Figure 5 to the accompanying drawings Figure 6 It can be known that the screening assembly comprises a screen plate 53 obliquely arranged in the screening cavity below the discharge port 111, the lower end of the screen plate 53 corresponds to the side wall of the screening cavity, and the lower end of the screen plate 53 is hingedly connected to the discharge port 102, and the screen plate 53 vibrates under the drive of the vibrating assembly 50. The vibrating assembly 50 comprises an eccentric wheel 51 arranged below the higher end of the screen plate 53, the outer circumferential surface of the eccentric wheel 51 is in contact with the lower surface of the screen plate 53, and the eccentric wheel 51 rotates under the drive of the third driving source 52.

[0056] The crushed material falls on the screen plate 53, the third driving source 52 drives the eccentric wheel 51 to rotate, the eccentric wheel 51 drives the higher end of the screen plate 53 to vibrate up and down, so that the material meeting the requirements falls to the bottom of the screening cavity quickly, for subsequent use, and the screen holes of the screen plate 53 can also be prevented from being blocked, the material not meeting the requirements is vibrated to the discharge port 102, and is recycled for subsequent crushing until it can be used.

[0057] Specifically, the third driving source 52 is a third motor.

[0058] As an embodiment, the accompanying drawings are combined with the description Figure 5It can be known that the crushing assembly 60 comprises a fixed jaw plate 61 vertically and fixedly arranged in the crushing cavity below the feeding port 101, a movable jaw plate 62 arranged opposite to the fixed jaw plate 61, a first rotating shaft 63 eccentrically and rotatably arranged on the fixed wheel 621 at the upper end of the movable jaw plate 62, two first rotating wheels 631 fixedly arranged at the two ends of the first rotating shaft 63, one side of one of the first rotating wheels 631 being provided with a second rotating wheel 64, the second rotating wheel 64 being rotated under the driving of a fourth driving source 641, the first rotating wheel 631 and the second rotating wheel 64 being connected through a second belt 65, and a first connecting rod 66 being hingedly connected at the first end to one side of the movable jaw plate 62 away from the fixed jaw plate 61 and at the second end to the side wall of the crushing cavity.

[0059] The fourth driving source 641 drives the second rotating wheel 64 to rotate, the second rotating wheel 64 drives one of the first rotating wheels 631 to rotate, the first rotating wheel 631 drives the first rotating shaft 63 to rotate, the first rotating shaft 63 is eccentrically arranged with the fixed wheel 621 at the upper end of the movable jaw plate 62, and the first connecting rod 66 can make the movable jaw plate 62 close to or away from the fixed jaw plate 61, so that the material can be crushed.

[0060] Specifically, the crushing assembly 60 has the same crushing principle as the jaw crusher, and thus will not be described in detail.

[0061] Specifically, the fourth driving source 641 is a fourth motor.

[0062] The mining crushing device provided by the utility model has the advantages that when in use, the specific operation process is as follows:

[0063] The material enters the crushing cavity from the feeding port 101, is crushed by the crushing assembly 60, and is then sent to the screening cavity from the discharge port 111, the crushed material is screened by the screening assembly, dust is easily generated when the material enters the feeding port 101 and is crushed, dust is also generated when the crushed material falls on the screening assembly, therefore, the plurality of spraying pipes 12 are arranged in the feeding port 101 and the screening cavity, the dust-settling solution in the liquid storage tank 13 is sent to the plurality of spraying pipes 12 through the liquid outlet pipe 132 and the plurality of rotary joints 122, and then is sprayed through the spray head 121, so that dust can be effectively removed, one of the spraying pipes 12 is swung under the driving of the swinging assembly 20, the other spraying pipes 12 are synchronously swung under the action of the connecting assembly 30, the plurality of spraying pipes 12 can be effectively sprayed in a large range, the dust removal range is increased, and the dust removal effect can be effectively improved.

[0064] It is to be noted that the relative terms, such as first and second, and the like, are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises a..." does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0065] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A crushing device for mining, characterized in that, include: A crushing box has a horizontally arranged partition inside, which divides the crushing box into a crushing chamber and a screening chamber from top to bottom. The partition is provided with a discharge port, and the top of the crushing chamber corresponding to the discharge port is provided with a feed port. A crushing component is provided in the crushing chamber between the feed port and the discharge port, and a screening component is provided in the screening chamber. Multiple spray pipes are horizontally arranged above the feed inlet and inside the screening chamber. Each spray pipe is equipped with a nozzle. The multiple spray pipes are connected by a connecting assembly. When one spray pipe swings under the drive of the swing assembly, the other spray pipes swing synchronously under the action of the connecting assembly. A liquid storage tank is located on one side of the crushing box. The liquid storage tank is provided with an inlet and an outlet. An outlet pipe is provided on the outlet. The free end of the outlet pipe is connected to multiple spray pipes through multiple rotary joints. A stirring assembly is provided inside the liquid storage tank.

2. The mining crushing device according to claim 1, characterized in that, The swing component includes: A first drive source is provided on the crushing box, and a wheel is provided on the first drive source; A rack is vertically and slidably mounted on the crushing box. The long slot at the end of the rack is slidably connected to a guide post eccentrically mounted on the wheel. The rack meshes with a first gear mounted at the end of one of the spray pipes.

3. A mining crushing device according to claim 1, characterized in that, The connecting assembly includes multiple pulleys, with each spray pipe equipped with a pulley. The first and last two spray pipes each have one pulley, while the other spray pipes each have two pulleys. The two pulleys on each spray pipe are connected to the corresponding pulleys on the two adjacent spray pipes via two first belts.

4. A crushing device for mining according to claim 1, characterized in that, The stirring assembly includes: A first stirring shaft is vertically installed inside the liquid storage tank, and a first stirring blade is installed on it. A second stirring shaft is sleeved on the first stirring shaft, and a second stirring blade is provided on the second stirring shaft; The drive assembly is connected to the first stirring shaft and the second stirring shaft respectively, and is used to drive the first stirring shaft and the second stirring shaft to rotate in opposite directions.

5. A mining crushing device according to claim 4, characterized in that, The driving component includes: A first bevel gear is disposed at the end of the first stirring shaft; The second bevel gear is disposed at the end of the second stirring shaft, and the second bevel gear is disposed opposite to the first bevel gear; The third bevel gear rotates under the drive of the second drive source. The third bevel gear is disposed between the first bevel gear and the second bevel gear and meshes with the first bevel gear and the second bevel gear respectively.

6. A crushing device for mining according to claim 1, characterized in that, The screening assembly includes a screen plate inclinedly disposed in the screening chamber below the discharge port. The lower end of the screen plate is provided with a discharge port on the side wall of the screening chamber. The screen plate vibrates under the drive of the vibration assembly.

7. A mining crushing device according to claim 6, characterized in that, The lower end of the screen plate is hinged to the lower end of the discharge port. The vibration assembly includes an eccentric wheel disposed below the higher end of the screen plate. The outer circumferential surface of the eccentric wheel is in contact with the lower surface of the screen plate. The eccentric wheel rotates under the drive of a third drive source.

8. A mining crushing device according to any one of claims 1-7, characterized in that, The crushing component includes: The stationary jaw plate is vertically installed in the crushing chamber below the feed inlet; The movable jaw plate is disposed opposite to the stationary jaw plate; The first rotating shaft is eccentrically and rotatably mounted on the fixed wheel at the upper end of the moving jaw plate. Two first rotating wheels are provided at both ends of the first rotating shaft, and a second rotating wheel is provided on one side of one of the first rotating wheels. The second rotating wheel rotates under the drive of the fourth driving source. The first rotating wheel and the second rotating wheel are connected by a second belt. The first connecting rod has its first end hinged to the side of the moving jaw plate away from the stationary jaw plate, and its second end hinged to the side wall of the crushing chamber.

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