CN115415146B - Colliery screening plant - Google Patents
Colliery screening plant Download PDFInfo
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- CN115415146B CN115415146B CN202211077550.4A CN202211077550A CN115415146B CN 115415146 B CN115415146 B CN 115415146B CN 202211077550 A CN202211077550 A CN 202211077550A CN 115415146 B CN115415146 B CN 115415146B
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- screening
- roller
- cam
- ring plates
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- 238000012216 screening Methods 0.000 title claims abstract description 93
- 239000003245 coal Substances 0.000 claims abstract description 55
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 235000019580 granularity Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- 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
- B07B1/12—Apparatus having only parallel elements
- B07B1/16—Apparatus having only parallel elements the elements being movable and in other than roller form
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
Landscapes
- Crushing And Grinding (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application discloses a coal mine screening device which comprises a supporting unit and a screening unit, wherein the supporting unit is used for supporting the screening unit, and the screening unit is used for screening a coal mine. The supporting unit comprises a supporting frame, a main shaft arranged on the supporting frame, and a cross fixing frame fixedly arranged on the main shaft, wherein the cross fixing frame comprises an underframe and an end cover, the underframe and the end cover are connected through screws, the screening unit comprises a roller connected with the cross fixing frame, a plurality of screening annular plates arranged between the two rollers at equal intervals, a shielding plate matched with the roller, a regulating piece for driving the screening annular plates to move, and an auxiliary fixing piece fixed on the roller and matched with the screening annular plates. According to the device, the distance between the screening ring plates can be adjusted through the adjusting piece, so that the screening granularity can be adjusted, the coal mine can be screened according to the requirement, and the coal mine with ideal granularity can be obtained, and the application range is wider.
Description
Technical Field
The application relates to the technical field of coal mine screening, in particular to a coal mine screening device.
Background
Coal mines are areas where human beings mine coal resources in a mining area rich in coal, and are generally divided into an underground coal mine and an open pit coal mine, wherein when a coal bed is far from the ground surface, coal is generally selected to be mined into an underground mining roadway, the underground coal mine is the underground coal mine, and when the coal bed is very close to the ground surface, the direct stripping of an earth surface layer is generally selected to mine the coal, and the open pit coal mine is the open pit coal mine.
When the coal mine is mined, the coal mine is required to be screened, and the drum screen is one of common coal mine screening machines, and has the advantages of attractive appearance, simple structure, convenience in operation, simplicity in use and maintenance and the like. Coal mines with different granularities can be obtained in a certain range by replacing the screen. The method is suitable for sieving coal mines with different granularities. The conventional drum screen can not adjust the distance between screening annular plates, only can screen coal mines with fixed granularity, and has a low application range.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above and/or problems associated with existing coal mine screening apparatus.
Accordingly, the problem addressed by the present application is how to provide a coal mine screening apparatus.
In order to solve the technical problems, the application provides the following technical scheme: the coal mine screening device comprises a supporting unit, a supporting unit and a supporting unit, wherein the supporting unit comprises a supporting frame, a main shaft arranged on the supporting frame and a cross fixing frame fixedly arranged on the main shaft, and the cross fixing frame comprises a bottom frame and an end cover; the screening unit comprises a roller connected with the cross fixing frame, a plurality of screening annular plates arranged between the two rollers at equal intervals, a shielding plate matched with the roller, a regulating piece for driving the screening annular plates to move, and an auxiliary fixing piece fixed on the roller and matched with the screening annular plates, wherein the shielding plate is fixedly connected with the screening annular plates close to the roller.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the adjusting piece comprises a cam, a clamping block matched with the cam, a driving piece for driving the cam to rotate and an auxiliary rod matched with the clamping block, wherein an annular track groove is formed in the middle of the cam, inclined track grooves with different inclination degrees are formed in two sides of the annular track groove, the clamping blocks are respectively matched with the annular track groove and the inclined track groove, and the clamping block is fixedly connected with the screening annular plate.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the adjusting piece comprises a cam, a clamping block matched with the cam, a driving piece for driving the cam to rotate and an auxiliary rod matched with the clamping block, wherein an annular track groove is formed in the middle of the cam, inclined track grooves with different inclination degrees are formed in two sides of the annular track groove, the clamping blocks are respectively matched with the annular track groove and the inclined track groove, and the clamping block is fixedly connected with the screening annular plate.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: rectangular blocks are arranged on the screening ring plates, and rectangular grooves matched with the rectangular blocks are formed in the connecting plates.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the regulating part is symmetrically arranged on two sides of the roller, the driving part comprises a gear arranged at one end of the cam, a synchronous belt connected with the two gears, and a motor arranged at the other end of the cam, a first hole is formed in the roller, the synchronous belt penetrates through the first hole, the output end of the motor is connected with the cam, and the motor is fixed on the roller.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the cross fixing frame is of a hollow structure, and the synchronous belt penetrates through the cross fixing frame.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the roller is provided with a first groove matched with the shielding plate, the shielding plate is provided with a second groove, and the second groove corresponds to the synchronous belt.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the adjusting piece further comprises a shell, the shell wraps the cam inside, and the shell is fixed between the two first fixing ring plates.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the screening unit is provided with three, sets up two the cylinder both sides between the screening annular plate all are provided with first recess.
As a preferred embodiment of the coal mine screening apparatus of the present application, wherein: the plurality of connecting plates and the adjusting piece of the same screening unit are arranged at equal angles.
The application has the beneficial effects that: through the regulating part, the distance between the screening annular plates can be regulated, so that the screening granularity is regulated, the coal mine can be screened according to the requirement, and the coal mine with ideal granularity is obtained, so that the application range is wider.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being 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. Wherein:
FIG. 1 is a block diagram of a coal mine screening apparatus.
Fig. 2 is a schematic diagram of an end structure of a coal mine screening apparatus.
FIG. 3 is a block diagram of an adjustment member of a coal mine screening apparatus.
FIG. 4 is an exploded view of a conditioning element of a coal mine screening apparatus.
Fig. 5 is a cross-shaped fixing frame structure diagram of the coal mine screening device.
FIG. 6 is a schematic diagram of a rectangular block and rectangular slot of a coal mine screening apparatus.
FIG. 7 is a schematic view of a shield and drum configuration of a coal mine screening apparatus.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 7, a coal mine screening apparatus according to a first embodiment of the present application includes a support unit 100 and a screening unit 200, the support unit 100 being configured to support the screening unit 200, and the screening unit 200 being configured to screen a coal mine.
Specifically, the support unit 100 includes a support frame 101, a main shaft 102 disposed on the support frame 101, and a cross fixing frame 103 fixedly disposed on the main shaft 102, where the cross fixing frame 103 includes a bottom frame 103a and an end cover 103b, and the bottom frame 103a and the end cover 103b are connected by screws.
The screening unit 200 comprises a roller 201 connected with a cross fixing frame 103, a plurality of screening ring plates 202 equidistantly arranged between the two rollers 201, a shielding plate 203 matched with the roller 201, an adjusting piece 204 for driving the screening ring plates 202 to move, and an auxiliary fixing piece 205 fixed on the roller 201 and matched with the screening ring plates 202, wherein the shielding plate 203 is fixedly connected with the screening ring plates 202 close to the roller 201.
In this embodiment, in each screening unit 200, there are 7 screening ring plates 202, and the screening ring plates 202 on both sides are connected to two shielding plates 203, respectively.
Further, the auxiliary fixing member 205 includes a first fixing ring plate 205a coupled to the drum 201, and a coupling plate 205b disposed between the two first fixing ring plates 205 a. The screening ring plate 202 is provided with rectangular blocks 202a, and the connecting plate 205b is provided with rectangular grooves 205b-1 matched with the rectangular blocks 202a, and the reason for the rectangular grooves 205b-1 is that: when coal mine screening is carried out, some tiny coal mines can fall into the rectangular grooves 205b-1, when the roller 201 rotates, the coal mines in the rectangular grooves 205b-1 can also fall easily, the rectangular blocks 202a and the rectangular grooves 205b-1 are arranged, the screening ring plate 202 can be limited easily, and when the screening ring plate 202 moves, the rectangular blocks 202a on the screening ring plate 202 can also push the coal mines in the rectangular grooves 205b-1 easily, so that blocking cannot be formed.
The regulating piece 204 is symmetrically arranged on two sides of the roller 201, the driving piece 204c comprises a gear 204c-1 arranged at one end of the cam 204a, a synchronous belt 204c-2 connected with the two gears 204c-1, and a motor 204c-3 arranged at the other end of the cam 204a, a first hole 201a is arranged on the roller 201, the synchronous belt 204c-2 penetrates through the first hole 201a, the output end of the motor 204c-3 is connected with the cam 204a, the motor 204c-3 is fixed on the roller 201, the two cams 204a can synchronously rotate through the arrangement of the synchronous belt 204c-2 and the gear 204c-1, the screening ring plate 202 is jointly driven to move through the two cams 204a, the screening ring plate 202 is prevented from being blocked when only one-side regulating piece 204 is driven, and the synchronous belt 204c-2 penetrates through the inside of the roller 201 through the cross fixing frame 103, so that the synchronous belt 204c-2 is effectively protected. The timing belt 204c-2 sandwiches the spindle 102 as it passes the spindle 102.
Further, the cross fixing frame 103 is of a hollow structure, and the synchronous belt 204c-2 passes through the cross fixing frame 103. The roller 201 is provided with a first groove 201b matched with the shielding plate 203, the shielding plate 203 is provided with a second groove 203a, and the second groove 203a corresponds to the synchronous belt 204 c-2.
Preferably, the adjusting member 204 further includes a housing 204e, the housing 204e encloses the cam 204a, and the housing 204e is fixed between two first fixing ring plates 205 a. The screening unit 200 is provided with three, the two sides of the drum 201 arranged between two screening ring plates 202 are provided with first grooves 201b, and a plurality of connection plates 205b and adjusting members 204 of the same screening unit 200 are arranged at equal angles.
In this embodiment, the pitch of the screening ring plates 202 in the three screening units 200 increases in sequence. When the screening device is used, the screening device is slightly inclined, the motor 204c-3 drives the cam 204a to rotate, the distance between the screening ring plates 202 is adjusted to be the required size, the screening ring plates 202 are fed from the side with smaller distance, the driving device drives the main shaft 102 to rotate, the cross fixing frame 103 fixedly connected with the main shaft 102 drives the roller 201 to rotate, and the coal mine is screened into four specifications in the rotating process of the roller 201.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (2)
1. A coal mine screening device, characterized in that: comprising the steps of (a) a step of,
the support unit (100) comprises a support frame (101), a main shaft (102) arranged on the support frame (101) and a cross fixing frame (103) fixedly arranged on the main shaft (102), wherein the cross fixing frame (103) comprises a bottom frame (103 a) and an end cover (103 b);
the screening unit (200) comprises a roller (201) connected with the cross fixing frame (103), a plurality of screening ring plates (202) equidistantly arranged between the two rollers (201), a shielding plate (203) matched with the roller (201), an adjusting piece (204) for driving the screening ring plates (202) to move, and an auxiliary fixing piece (205) fixed on the roller (201) and matched with the screening ring plates (202), wherein the shielding plate (203) is fixedly connected to the screening ring plates (202) close to the roller (201);
the adjusting piece (204) comprises a cam (204 a), a clamping block (204 b) matched with the cam (204 a), a driving piece (204 c) for driving the cam (204 a) to rotate, and an auxiliary rod (204 d) matched with the clamping block (204 b), wherein an annular track groove (204 a-1) is formed in the middle of the cam (204 a), inclined track grooves (204 a-2) with different inclination degrees are formed in two sides of the annular track groove (204 a-1), the inclined track grooves (204 a-2) far away from the annular track groove (204 a-1) are larger in inclination degree, the clamping blocks (204 b) are respectively matched with the annular track groove (204 a-1) and the inclined track groove (204 a-2), and the clamping blocks (204 b) are fixedly connected with the screening annular plate (202);
the auxiliary fixing member (205) includes a first fixing ring plate (205 a) connected to the drum (201), and a connection plate (205 b) disposed between the two first fixing ring plates (205 a);
rectangular blocks (202 a) are arranged on the screening ring plates (202), and rectangular grooves (205 b-1) matched with the rectangular blocks (202 a) are formed in the connecting plates (205 b);
the adjusting piece (204) is symmetrically arranged on two sides of the roller (201), the driving piece (204 c) comprises a gear (204 c-1) arranged at one end of the cam (204 a), a synchronous belt (204 c-2) connected with the two gears (204 c-1), and a motor (204 c-3) arranged at the other end of the cam (204 a), a first hole (201 a) is formed in the roller (201), the synchronous belt (204 c-2) penetrates through the first hole (201 a), the output end of the motor (204 c-3) is connected with the cam (204 a), and the motor (204 c-3) is fixed on the roller (201);
the cross fixing frame (103) is of a hollow structure, and the synchronous belt (204 c-2) penetrates through the cross fixing frame (103);
a first groove (201 b) matched with the shielding plate (203) is formed in the roller (201), a second groove (203 a) is formed in the shielding plate (203), and the second groove (203 a) corresponds to the synchronous belt (204 c-2);
the screening units (200) are three, and first grooves (201 b) are formed in two sides of a roller (201) arranged between two screening ring plates (202);
a plurality of connecting plates (205 b) and adjusting members (204) of the same sieving unit (200) are arranged at equal angles;
the interval of screening ring plates (202) among three screening units (200) increases in proper order, and when using, with screening plant slightly slope place, drive cam (204 a) through motor (204 c-3) and rotate first, adjust the distance between screening ring plates (202) to required size, feed from the less limit of interval of screening ring plates (202), drive main shaft (102) through drive arrangement and rotate, cross mount (103) with main shaft (102) fixed connection drives cylinder (201) and rotates, the colliery is sieved into four kinds of specifications at cylinder (201) pivoted in-process.
2. A coal mine screening apparatus as claimed in claim 1, wherein: the adjusting piece (204) further comprises a shell (204 e), the shell (204 e) wraps the cam (204 a) inside, and the shell (204 e) is fixed between the two first fixing ring plates (205 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211077550.4A CN115415146B (en) | 2022-09-05 | 2022-09-05 | Colliery screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211077550.4A CN115415146B (en) | 2022-09-05 | 2022-09-05 | Colliery screening plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115415146A CN115415146A (en) | 2022-12-02 |
| CN115415146B true CN115415146B (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211077550.4A Active CN115415146B (en) | 2022-09-05 | 2022-09-05 | Colliery screening plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN115415146B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117463605B (en) * | 2023-12-27 | 2024-03-12 | 云南凯瑞特工程机械设备有限公司 | Sand material powder screening device |
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| GB268339A (en) * | 1926-03-24 | 1927-12-22 | Treuhand Ges M B H Bartmann & | Improvements in or relating to sieve-like permeable drums or the like |
| US4176799A (en) * | 1977-01-06 | 1979-12-04 | Bureau De Recherches Geologiques Et Minieres | Rotary screens |
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| CN211309831U (en) * | 2019-10-25 | 2020-08-21 | 旭阳化学技术研究院有限公司 | Sieving mechanism is used in production of efficient coke |
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| Publication number | Publication date |
|---|---|
| CN115415146A (en) | 2022-12-02 |
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