CN114769117B - Coal mining mechanized device with coal dust removing function - Google Patents
Coal mining mechanized device with coal dust removing function Download PDFInfo
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- CN114769117B CN114769117B CN202210369996.8A CN202210369996A CN114769117B CN 114769117 B CN114769117 B CN 114769117B CN 202210369996 A CN202210369996 A CN 202210369996A CN 114769117 B CN114769117 B CN 114769117B
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- vibration
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- feed back
- plate
- annular
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- 239000003245 coal Substances 0.000 title claims abstract description 80
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 239000002817 coal dust Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000012216 screening Methods 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000002245 particle Substances 0.000 abstract description 39
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008713 feedback mechanism Effects 0.000 abstract description 6
- 239000010883 coal ash Substances 0.000 description 8
- 239000002956 ash Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The application discloses a coal mining mechanized device with a coal dust removing function, and relates to the technical field of coal mining machinery. The vibration material conveying disc is respectively provided with a material conveying cavity and an annular material returning cavity; a guide frame is fixed at the bottom of the vibration material conveying disc, and a material screening plate is arranged between the guide frame and the material conveying cavity; the inner wall of the annular feed back cavity is respectively provided with a discharge hole and a feed back hole, the discharge hole is communicated with the lower end part of the feed back cavity, and the feed back hole is communicated with the upper end part of the feed back cavity; the feed back mechanism is arranged at the top of the vibration feeding disc and is fixedly connected with the vibration feeding disc, and the feed back mechanism comprises a feed back push plate which is in sliding fit with the annular feed back cavity. In the vibration conveying process, coal mine particles in the conveying cavity enter the annular return cavity through the discharge hole after being screened, the return push plate pushes the coal mine particles in the annular return cavity to the return hole through rotation of the return mechanism, and the coal mine particles enter the conveying cavity again through the return hole for screening, so that the screening efficiency and the screening effect of qualified coal mine particles in crushed coal are greatly improved.
Description
Technical Field
The application belongs to the technical field of coal mining machinery, and particularly relates to a coal mining mechanized device with a coal dust removing function.
Background
Coal is the most dominant solid fuel, is one of combustible organic rock, and is formed by gradually accumulating thick layers of luxuriant plants grown in a certain geological period in a proper geological environment, and burying the thick layers in water bottom or sediment and performing natural coal gasification in a long geological period. During the processing of coal mines, the coal mine particles are required to be crushed and screened to remove unqualified coal mine particles in the coal mine.
However, in the process of implementing the specific embodiment of the present application, the present inventors have found that the existing coal mining mechanized apparatus has the following disadvantages: (1) In the process of conveying crushed coal by utilizing vibration energy, qualified coal mine particles in the crushed coal can not fully pass through the sieve holes, so that part of qualified coal mine particles are discharged together with unqualified coal mine particles to be treated as unqualified coal mine particles, waste of the qualified coal mine particles is caused, and efficient screening of the qualified coal mine particles in the crushed coal is not facilitated; (2) In the multistage screening process of coal mine particles by utilizing a plurality of obliquely arranged screening plates, the coal mine particles can cause blocking of screening holes on the screening plates, so that the screening efficiency and the screening effect of the screening plates are reduced.
Therefore, we provide a coal mining mechanized device with coal dust removing function, which is used for solving the technical problems.
Disclosure of Invention
The application aims to provide a coal mining mechanized device with a coal dust removing function, which solves the problems that qualified coal mine particles in crushed coal cannot fully pass through sieve holes in the conveying process of the crushed coal by utilizing vibration energy, and further, part of qualified coal mine particles are discharged along with unqualified coal mine particles to be treated as unqualified coal mine particles, so that waste of the qualified coal mine particles is caused, the efficient screening of the qualified coal mine particles in the crushed coal is not facilitated, and the sieve holes on a sieve plate are possibly blocked in the multi-stage screening process of the coal mine particles by utilizing a plurality of sieve plates arranged in an inclined mode, so that the screening efficiency and the screening effect of the sieve plate are reduced.
In order to solve the technical problems, the application is realized by the following technical scheme:
the application relates to a coal mining mechanized device with a coal dust removing function, which comprises a vibration conveying mechanism, a return mechanism and a multi-stage sorting mechanism; the vibration material conveying mechanism comprises a vibration material conveying disc which is obliquely arranged, a material conveying cavity and an annular material returning cavity are respectively arranged in the vibration material conveying disc, and the material conveying cavity is arranged at the inner side of the annular material returning cavity; a guide frame is fixed at the bottom of the vibration material conveying disc, and a material screening plate is arranged between the guide frame and the material conveying cavity; the inner wall of the annular feed back cavity is respectively provided with a discharge hole and a feed back hole, the discharge hole is communicated with the lower end part of the feed back cavity, and the feed back hole is communicated with the upper end part of the feed back cavity; the material returning mechanism is arranged at the top of the vibration material conveying disc and is fixedly connected with the vibration material conveying disc in a coaxial way, and the material returning mechanism comprises a material returning push plate which is in sliding fit with the annular material returning cavity; the multistage sorting mechanism is arranged below the guide frame and is in sliding fit with the guide frame.
Further, an annular slideway is arranged on the peripheral side surface of the vibration material conveying disc and is communicated with the annular feed back cavity; the vibration material conveying disc is characterized in that two horizontal supports are fixed on the peripheral side face of the vibration material conveying disc, a limit vibration transmission rod is fixed at the bottom of each horizontal support, a fixed disc is sleeved on the peripheral side face of each limit vibration transmission rod, and a vibration transmission elastic piece sleeved outside the limit vibration transmission rod is arranged between the fixed disc and each horizontal support.
Further, the vibration conveying mechanism further comprises a base, two support columns are fixed at the top of the base, a mounting frame is fixed at the top of each support column, and the lower ends of the limiting vibration transmission rods penetrate through the top of the mounting frame; the fixed disk is arranged at the top of the mounting frame, the vibrator is arranged in the mounting frame, and the lower end of the limiting vibration transmission rod is attached to the surface of the vibrator.
Further, the feed back mechanism further comprises a connecting ring attached to the peripheral side face of the vibration feed delivery disc, a plurality of supporting rods in sliding fit with the annular slide ways are arranged on the inner surface of the connecting ring, a rotating ring attached to the inner wall of the annular feed back cavity is fixed at one end of each supporting rod, and the feed back pushing plate is fixed on the inner surface of the rotating ring; the rotary frame is fixed at the top of the connecting ring, a first motor is connected to the surface of the rotary frame through a rotating shaft, and the first motor is arranged at the center of the top of the vibration material conveying disc.
Further, a discharge port communicated with the annular feed back cavity is formed in the bottom of the vibration feeding disc, and corresponds to the discharge port; the guide frame is characterized in that a thread channel, a guide channel and a clamping groove are respectively arranged on one side face of the guide frame, and the clamping groove is arranged between the thread channel and the guide channel.
Further, the device also comprises a plugging assembly; the plugging assembly comprises a plugging plate corresponding to the discharge opening, and the plugging plate is connected with the clamping groove in a clamping manner; the plugging plate is characterized in that lugs are fixed on two opposite side surfaces of the plugging plate, one lug is rotationally connected with a threaded rod matched with the threaded channel, and the other lug is fixedly provided with a guide rod matched with the guide channel in a sliding manner.
Further, the multistage sorting mechanism comprises a material collecting frame which is obliquely arranged, and the outer surface of the guide frame is in clearance fit with the inner surface of the material collecting frame; the bottom of the material collecting frame is fixedly provided with a multi-stage separation box, and a first separation plate and a second separation plate are symmetrically arranged in the multi-stage separation box up and down; the multistage separation box is characterized in that a second motor is arranged outside the multistage separation box, the output end of the second motor is connected with a pushing rod, a moving seat is in threaded fit with the peripheral side surface of the pushing rod, and a limiting rod in sliding fit with the inner wall of the multistage separation box is arranged on the surface of the moving seat.
Further, electric telescopic rods are arranged at the top and the bottom of the movable seat, an inclined plane plate is fixed at one end of each electric telescopic rod, the inclined plane of the inclined plane plate above is parallel to the first sorting plate, and the inclined plane of the inclined plane plate below is parallel to the second sorting plate; the inclined plane of the inclined plane board above is fixed with a first tamper matched with the sieve holes on the surface of the first sorting plate, and the inclined plane of the inclined plane board below is fixed with a second tamper matched with the sieve holes on the surface of the second sorting plate.
Further, a coal ash collecting box is arranged outside the multi-stage separation box, and an ash suction pipeline communicated with the inside of the multi-stage separation box is arranged on the surface of the coal ash collecting box.
The application has the following beneficial effects:
1. in the vibration conveying process, coal mine particles in the conveying cavity enter the annular return cavity through the discharge hole after being screened, the return push plate pushes the coal mine particles in the annular return cavity to the return hole through rotation of the return mechanism, and the coal mine particles enter the conveying cavity again through the return hole for screening, so that the screening efficiency and the screening effect of the qualified coal mine particles in crushed coal are greatly improved, and the waste of the qualified coal mine particles caused by single screening is avoided.
2. According to the application, intermittent horizontal movement of the inclined plate can be realized by rotating the pushing rod, the first tamping rod and the second tamping rod are moved to the positions of the sieve holes on the corresponding separation plates, and the electric telescopic rod is utilized to drive the first tamping rod and the second tamping rod to move up and down, so that the dredging of the sieve holes on the corresponding separation plates is realized, and the reduction of the separation efficiency and the separation effect of the separation plates caused when the sieve holes are blocked by coal mine particles is effectively avoided.
3. The application realizes the up-and-down vibration of the limit vibration transmission rod through the vibrator, and realizes the up-and-down vibration of the whole vibration material conveying disc under the elasticity of the vibration transmission elastic piece after the limit vibration transmission rod transmits vibration energy to the vibration material conveying disc, thereby realizing the vibration conveying of the crushed coal entering the material conveying cavity.
Of course, it is not necessary for any one product to practice the application to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a coal mining mechanized apparatus with dust removal.
Fig. 2 is a schematic view of the structure of fig. 1 from the bottom.
Fig. 3 is a schematic structural view of a vibrating feeding mechanism.
Fig. 4 is a schematic view of the structure of fig. 3 from the bottom.
Fig. 5 is a cross-sectional view of a transverse structure of the vibratory feeding mechanism.
Fig. 6 is a schematic structural view of the feed back mechanism.
Fig. 7 is a top view of the structure of fig. 6.
Fig. 8 is a schematic structural view of a closure assembly.
Fig. 9 is a schematic diagram of a multi-stage sorting mechanism.
Fig. 10 is a side view of the structure of fig. 9.
In the drawings, the list of components represented by the various numbers is as follows:
1-vibration feeding mechanism, 101-vibration feeding tray, 102-feeding cavity, 103-annular return cavity, 104-guide frame, 105-screening plate, 106-discharge port, 107-return port, 108-annular slideway, 109-horizontal support, 110-limit vibration transmission rod, 111-fixed disk, 112-vibration transmission elastic piece, 113-base, 114-support column, 115-mounting frame, 116-vibrator, 117-discharge port, 118-clamping groove, 2-return mechanism, 201-return push plate, 202-connecting ring, 203-rotating ring, 204-rotating frame, 205-first motor 205,3-multistage sorting mechanism, 301-collecting frame, 302-multistage sorting box, 303-first sorting plate, 304-second sorting plate, 305-second motor, 306-pushing rod, 307-electric telescopic rod, 308-inclined panel, 309-first rod, 310-second tamping rod, 311-coal collecting box, 312-ash absorbing pipe, 4-sealing component, 401-sealing plate, 403-sealing plate, 402-sealing seat, screw rod, and guide lug.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1-10, the application discloses a coal mining mechanized device with coal dust removing function, which comprises a vibration conveying mechanism 1, a return mechanism 2 and a multi-stage sorting mechanism 3;
the vibration material conveying mechanism 1 comprises a vibration material conveying disc 101 which is obliquely arranged, wherein an included angle between the vibration material conveying disc 101 and the horizontal direction is 10-20 degrees, so that the vibration material conveying disc 101 can realize the rolling of crushed coal from top to bottom by slight vibration, a material conveying cavity 102 and an annular material returning cavity 103 are respectively arranged in the vibration material conveying disc 101, and the material conveying cavity 102 is arranged at the inner side of the annular material returning cavity 103; crushed coal subjected to crushing treatment enters the conveying cavity 102 through a feed inlet on the surface of the vibration conveying disc 101, and rolls from top to bottom along the conveying cavity 102 under the vibration energy;
a guide frame 104 is fixed at the bottom of the vibration material conveying disc 101, and a material screening plate 105 is arranged between the guide frame 104 and the material conveying cavity 102; in the process that the crushed coal rolls from top to bottom in the conveying cavity 102, qualified coal mine particles in the crushed coal enter the lower multi-stage separation mechanism 3 through the material screening plate 105, and unqualified coal mine particles enter the annular feed back cavity 103 along the material screening plate 105;
the inner wall of the annular feed back cavity 103 is respectively provided with a discharge hole 106 and a feed back hole 107, the discharge hole 106 is communicated with the lower end part of the feed back cavity 102, and the feed back hole 107 is communicated with the upper end part of the feed back cavity 102;
the material returning mechanism 2 is arranged at the top of the vibration material conveying disc 101 and is fixedly connected with the vibration material conveying disc in a coaxial way, and the material returning mechanism 2 comprises a material returning push plate 201 which is in sliding fit with the annular material returning cavity 103; in the vibration conveying process, coal mine particles in the conveying cavity 102 enter the annular return cavity 103 through the discharge hole 106 after being screened by the screening plate 105, the return push plate 201 pushes the coal mine particles in the annular return cavity 103 to the return hole 107 through the rotation of the return mechanism 2, and the coal mine particles enter the conveying cavity 102 again through the return hole 107 for screening, so that the screening efficiency and the screening effect of qualified coal mine particles in crushed coal are greatly improved, and the waste of the qualified coal mine particles caused by single screening is avoided;
the multi-stage sorting mechanism 3 is arranged below the guide frame 104 and is in sliding fit with the guide frame 104.
In the embodiment, an annular slide way 108 is arranged on the peripheral side surface of the vibration material conveying disc 101, and the annular slide way 108 is communicated with the annular material return cavity 103; two horizontal supports 109 are fixed on the peripheral side surface of the vibration material conveying disc 101, a limit vibration transmission rod 110 is fixed at the bottom of the horizontal supports 109, a fixed disc 111 is sleeved on the peripheral side surface of the limit vibration transmission rod 110, and a vibration transmission elastic piece 112 sleeved outside the limit vibration transmission rod 110 is arranged between the fixed disc 111 and the horizontal supports 109;
the vibration material conveying mechanism 1 further comprises a base 113, two support columns 114 are fixed at the top of the base 113, a mounting frame 115 is fixed at the top of the support columns 114, and the lower end of the limiting vibration transmission rod 110 penetrates through the top of the mounting frame 115;
the fixed disk 111 is arranged at the top of the mounting frame 115, the vibrator 116 is arranged in the mounting frame 115, and the lower end of the limiting vibration transmission rod 110 is attached to the surface of the vibrator 116; up-and-down vibration of the limiting vibration transmission rod 110 is achieved through the vibrator 116, after vibration energy is transmitted to the vibration material conveying disc 101 through the limiting vibration transmission rod 110, up-and-down vibration of the whole vibration material conveying disc 101 is achieved under the elasticity of the vibration transmission elastic piece 112, and therefore vibration conveying of crushed coal entering the material conveying cavity 102 is achieved.
In this embodiment, the feed back mechanism 2 further includes a connection ring 202 attached to the peripheral side surface of the vibration feeding tray 101, a plurality of struts slidably matched with the annular slide ways 108 are provided on the inner surface of the connection ring 202, one end of each strut is fixed with a rotating ring 203 attached to the inner wall of the annular feed back cavity 103, and the feed back push plate 201 is fixed on the inner surface of the rotating ring 203;
a rotating frame 204 is fixed at the top of the connecting ring 202, a first motor 205 is connected to the surface of the rotating frame 204 through a rotating shaft, and the first motor 205 is arranged at the center of the top of the vibration material conveying disc 101; in the vibration material conveying process of the vibration material conveying disc 101 by using the vibrator 116, the motor 205 is started, and the motor 205 is used for driving the rotating ring 203 to rotate, so that the annular movement of the material returning push plate 201 in the annular material returning cavity 103 is realized, the annular flow of the crushed coal in the annular material returning cavity 103 is realized, and the multiple screening of the crushed coal in the same batch in the material conveying cavity 102 is met.
In the embodiment, a discharge opening 117 communicated with the annular feed back cavity 103 is arranged at the bottom of the vibration feeding tray 101, and the discharge opening 117 corresponds to the discharge opening 106; a threaded channel, a guide channel and a clamping groove 118 are respectively arranged on one side surface of the guide frame 104, and the clamping groove 118 is arranged between the threaded channel and the guide channel.
The plugging assembly 4 is further included, the plugging assembly 4 comprises a plugging plate 401 corresponding to the discharge opening 117, and the plugging plate 401 is in clamping connection with the clamping groove 118; ear seats 402 are fixed on two opposite sides of the plugging plate 401, wherein the surface of one ear seat 402 is rotationally connected with a threaded rod 403 matched with a threaded channel, and the surface of the other ear seat 402 is fixed with a guide rod 404 matched with a guide channel in a sliding way; when the crushed coal in the same batch is fully screened for a plurality of times, the unqualified coal mine particles are stored in the annular feed back cavity 103, the threaded rod 403 is rotated to separate the plugging plate 401 from the discharge opening 117, and the unqualified coal mine particles are pushed to the discharge opening 117 to be discharged by the feed back push plate 201 in the annular feed back cavity 103 through the secondary rotation of the feed back mechanism 2.
Example 2
In this embodiment, the multi-stage sorting mechanism 3 includes a material collecting frame 301 disposed obliquely, and the outer surface of the guide frame 104 is in clearance fit with the inner surface of the material collecting frame 301; in the up-and-down vibration process of the vibration material conveying disc 101, the guide frame 104 at the bottom of the vibration material conveying disc 101 always keeps up-and-down sliding in the material collecting frame 301, so that coal mine particles are ensured to completely enter the multistage sorting mechanism 3 after being screened by the material screening plate 105;
a multi-stage separation box 302 is fixed at the bottom of the material collecting frame 301, and a first separation plate 303 and a second separation plate 304 are symmetrically arranged in the multi-stage separation box 302; the diameter of the surface sieve holes of the first sorting plate 303 is larger than that of the surface sieve holes of the second sorting plate 304;
the multistage separation box 302 externally mounted has No. two motor 305, and No. two motor 305 output is connected with the pushing rod 306, pushing rod 306 week side screw-thread fit has the removal seat, removes the seat surface and is provided with the gag lever post with multistage separation box 302 inner wall sliding fit, has guaranteed to rotate at pushing rod 306 rotation drive removal seat in-process removal seat rotation of itself for remove the seat and only can carry out horizontal migration.
In this embodiment, the top and bottom of the movable seat are both provided with an electric telescopic rod 307, one end of the electric telescopic rod 307 is fixed with a bevel panel 308, the bevel of the upper bevel panel 308 is parallel to the first sorting plate 303, and the bevel of the lower bevel panel 308 is parallel to the second sorting plate 304;
the inclined surface of the upper inclined surface plate 308 is fixed with a first tamping rod 309 matched with the surface sieve holes of the first sorting plate 303, and the inclined surface of the lower inclined surface plate 308 is fixed with a second tamping rod 310 matched with the surface sieve holes of the second sorting plate 304; intermittent horizontal movement of the inclined panel 308 can be achieved by rotating the pushing rod 306, the first tamping rod 309 and the second tamping rod 310 are moved to the sieve holes on the corresponding sorting plates, and the electric telescopic rod 307 is utilized to drive the first tamping rod 309 and the second tamping rod 310 to move up and down, so that dredging of the sieve holes on the corresponding sorting plates is achieved, and reduction of sorting efficiency and sorting effect of the sorting plates caused when coal mine particles block the sieve holes is effectively avoided.
In this embodiment, the multi-stage separation box 302 is externally provided with a coal ash collection box 311, the surface of the coal ash collection box 311 is provided with an ash suction pipeline 312 communicated with the interior of the multi-stage separation box 302, in the whole coal mine particle screening process, the ash suction pipeline 312 is operated to enable the coal ash in the multi-stage separation box 302 to be adsorbed into the coal ash collection box 311 and collected, and meanwhile, the coal ash in the vibration material conveying tray 101 enters the multi-stage separation box 302 through the material screening plate 105 under the action of negative pressure in the coal ash collection box 311 and is collected uniformly through the ash suction pipeline 312.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the application disclosed above are intended only to assist in the explanation of the application. The preferred embodiments are not exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a coal mining mechanized device with remove coal dust function which characterized in that: comprises a vibration material conveying mechanism (1), a material returning mechanism (2) and a multi-stage sorting mechanism (3);
the vibration material conveying mechanism (1) comprises a vibration material conveying disc (101) which is obliquely arranged, a material conveying cavity (102) and an annular material returning cavity (103) are respectively arranged in the vibration material conveying disc (101), and the material conveying cavity (102) is arranged at the inner side of the annular material returning cavity (103);
a guide frame (104) is fixed at the bottom of the vibration material conveying disc (101), and a material screening plate (105) is arranged between the guide frame (104) and the material conveying cavity (102);
the inner wall of the annular feed back cavity (103) is respectively provided with a discharge hole (106) and a feed back hole (107), the discharge hole (106) is communicated with the lower end part of the feed back cavity (102), and the feed back hole (107) is communicated with the upper end part of the feed back cavity (102);
the material returning mechanism (2) is arranged at the top of the vibration material conveying disc (101) and is fixedly connected with the vibration material conveying disc in a coaxial center, and the material returning mechanism (2) comprises a material returning push plate (201) which is in sliding fit with the annular material returning cavity (103);
the multi-stage sorting mechanism (3) is arranged below the guide frame (104) and is in sliding fit with the guide frame;
an annular slideway (108) is arranged on the peripheral side surface of the vibration material conveying disc (101), and the annular slideway (108) is communicated with the annular feed back cavity (103);
the material returning mechanism (2) further comprises a connecting ring (202) attached to the peripheral side face of the vibration material conveying disc (101), a plurality of supporting rods which are in sliding fit with the annular slide ways (108) are arranged on the inner surface of the connecting ring (202), a rotating ring (203) attached to the inner wall of the annular material returning cavity (103) is fixed at one end of each supporting rod, and a material returning push plate (201) is fixed on the inner surface of the rotating ring (203);
a rotating frame (204) is fixed at the top of the connecting ring (202), a first motor (205) is connected to the surface of the rotating frame (204) through a rotating shaft, and the first motor (205) is arranged at the center of the top of the vibration material conveying disc (101);
the multistage sorting mechanism (3) comprises a material collecting frame (301) which is obliquely arranged, and the outer surface of the guide frame (104) is in clearance fit with the inner surface of the material collecting frame (301);
a multi-stage separation box (302) is fixed at the bottom of the material collecting frame (301), and a first separation plate (303) and a second separation plate (304) are symmetrically arranged in the multi-stage separation box (302) up and down;
the multi-stage separation box (302) is externally provided with a second motor (305), the output end of the second motor (305) is connected with a pushing rod (306), the peripheral side surface of the pushing rod (306) is in threaded fit with a movable seat, and the surface of the movable seat is provided with a limiting rod in sliding fit with the inner wall of the multi-stage separation box (302);
the top and the bottom of the movable seat are provided with electric telescopic rods (307), one end of each electric telescopic rod (307) is fixedly provided with an inclined plane plate (308), the inclined plane of the inclined plane plate (308) above is parallel to the first sorting plate (303), and the inclined plane of the inclined plane plate (308) below is parallel to the second sorting plate (304);
the inclined surface of the inclined surface plate (308) above is fixedly provided with a first ramming rod (309) matched with the surface sieve holes of the first sorting plate (303), and the inclined surface of the inclined surface plate (308) below is fixedly provided with a second ramming rod (310) matched with the surface sieve holes of the second sorting plate (304).
2. The coal mining mechanized device with the coal dust removing function according to claim 1, wherein two horizontal supports (109) are fixed on the peripheral side face of the vibration conveying tray (101), a limit vibration transmission rod (110) is fixed at the bottom of each horizontal support (109), a fixing disc (111) is sleeved on the peripheral side face of each limit vibration transmission rod (110), and a vibration transmission elastic piece (112) sleeved outside each limit vibration transmission rod (110) is arranged between each fixing disc (111) and each horizontal support (109).
3. The coal mining mechanized device with the coal dust removing function according to claim 2, wherein the vibration conveying mechanism (1) further comprises a base (113), two support columns (114) are fixed at the top of the base (113), a mounting frame (115) is fixed at the top of the support columns (114), and the lower end of the limiting vibration transmission rod (110) penetrates through the top of the mounting frame (115);
the fixed disk (111) is arranged at the top of the mounting frame (115), a vibrator (116) is mounted in the mounting frame (115), and the lower end of the limiting vibration transmission rod (110) is attached to the surface of the vibrator (116).
4. A coal mining mechanized apparatus with coal dust removing function according to claim 3, characterized in that a discharge opening (117) communicated with the annular feed back cavity (103) is arranged at the bottom of the vibration feeding tray (101), and the discharge opening (117) corresponds to the discharge opening (106);
a thread channel, a guide channel and a clamping groove (118) are respectively arranged on one side face of the guide frame (104), and the clamping groove (118) is arranged between the thread channel and the guide channel.
5. A coal mining mechanized apparatus with coal dust removal function according to claim 4, further comprising a plugging assembly (4);
the plugging assembly (4) comprises a plugging plate (401) corresponding to the discharge opening (117), and the plugging plate (401) is in clamping connection with the clamping groove (118); ear seats (402) are fixed on two opposite side surfaces of the plugging plate (401), wherein one of the surfaces of the ear seats (402) is rotationally connected with a threaded rod (403) matched with a threaded channel, and a guide rod (404) matched with a guide channel in a sliding manner is fixed on the other surface of the ear seat (402).
6. The coal mining mechanized device with the coal dust removing function according to claim 5, wherein a coal dust collecting box (311) is arranged outside the multi-stage separation box (302), and an ash suction pipeline (312) communicated with the inside of the multi-stage separation box (302) is arranged on the surface of the coal dust collecting box (311).
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