CN115415146A - Coal mine screening device - Google Patents

Coal mine screening device Download PDF

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Publication number
CN115415146A
CN115415146A CN202211077550.4A CN202211077550A CN115415146A CN 115415146 A CN115415146 A CN 115415146A CN 202211077550 A CN202211077550 A CN 202211077550A CN 115415146 A CN115415146 A CN 115415146A
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CN
China
Prior art keywords
screening
coal mine
cam
cylinder
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202211077550.4A
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Chinese (zh)
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CN115415146B (en
Inventor
祝国庆
王晨
董帅
张巨忠
张学君
祝永嘉
金泽源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Yimin Coal and Electricity Co Ltd
Original Assignee
Huaneng Yimin Coal and Electricity Co Ltd
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Publication date
Application filed by Huaneng Yimin Coal and Electricity Co Ltd filed Critical Huaneng Yimin Coal and Electricity Co Ltd
Priority to CN202211077550.4A priority Critical patent/CN115415146B/en
Publication of CN115415146A publication Critical patent/CN115415146A/en
Application granted granted Critical
Publication of CN115415146B publication Critical patent/CN115415146B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12Apparatus having only parallel elements
    • B07B1/16Apparatus having only parallel elements the elements being movable and in other than roller form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4636Regulation of screen apertures

Abstract

The invention 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 support element includes the support frame, set up in main shaft on the support frame to and fixed set up in main epaxial cross mount, the cross mount includes chassis and end cover, chassis and end cover pass through screwed connection, the screening unit include with cylinder, a plurality of equidistance that the cross mount is connected set up in two screening ring board between the cylinder, with cylinder complex shielding plate, drive a plurality of the regulation piece that the screening ring board removed, and fix on the cylinder and with screening ring board complex auxiliary fixing spare. The device can adjust the distance between the screening ring plates through the adjusting piece so as to adjust the screening granularity, can screen the coal mine according to the requirement to obtain the coal mine with ideal granularity, and has wider application range.

Description

Coal mine screening device
Technical Field
The invention relates to the technical field of coal mine screening, in particular to a coal mine screening device.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine.
After the coal mine is mined, the coal mine needs 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 particle sizes can be obtained within a certain range by replacing the screen. The screening machine is suitable for screening coal mines with different particle sizes. The existing drum screen can not adjust the distance between screening ring plates, only can screen coal mines with fixed granularity, and is low in application range.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with existing coal mine screening devices.
Therefore, the problem to be solved by the invention is how to provide a coal mine screening device.
In order to solve the technical problems, the invention provides the following technical scheme: a coal mine screening device comprises a supporting unit and a screening 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; screening unit, include with cylinder, a plurality of equidistance that cross mount is connected set up in two screening crown plate between the cylinder, with cylinder complex shielding plate, drive a plurality of the screening crown plate carries out the regulating part that removes, and fixes on the cylinder and with screening crown plate complex auxiliary fixing spare, shielding plate fixed connection is close to the cylinder on the screening crown plate.
As a preferable mode of the coal mine screening device of the present invention, wherein: the adjusting part comprises a cam, a clamping block matched with the cam, a driving part 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 grooves, and the clamping blocks are fixedly connected with the screening ring plate.
As a preferable mode of the coal mine screening device of the present invention, wherein: the adjusting part comprises a cam, clamping blocks matched with the cam, a driving part for driving the cam to rotate and an auxiliary rod matched with the clamping blocks, 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 grooves, and the clamping blocks are fixedly connected with the screening ring plate.
As a preferable mode of the coal mine screening device of the present invention, wherein: the screening ring plate is provided with a rectangular block, and the connecting plate is provided with a rectangular groove matched with the rectangular block.
As a preferable mode of the coal mine screening device of the present invention, wherein: the adjusting part symmetry sets up the both sides of cylinder, the driving piece including set up in the gear of cam one end, connect two the hold-in range of gear, and set up in the motor of the cam other end, be provided with first hole on the cylinder, the hold-in range passes first hole, the motor output with the cam is connected, the motor is fixed on the cylinder.
As a preferable scheme of the coal mine screening device of the invention, wherein: the cross fixing frame is of a hollow structure, and the synchronous belt penetrates through the cross fixing frame.
As a preferable mode of the coal mine screening device of the present invention, wherein: the roller is provided with a first groove matched with the baffle plate, the baffle plate is provided with a second groove, and the second groove corresponds to the synchronous belt.
As a preferable mode of the coal mine screening device of the present invention, 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 preferable mode of the coal mine screening device of the present invention, wherein: the screening unit is provided with three, sets up two the cylinder both sides between the screening ring board all are provided with first recess.
As a preferable scheme of the coal mine screening device of the invention, wherein: the connecting plates and the adjusting pieces of the same screening unit are arranged at equal angles.
The invention has the beneficial effects that: through the regulating part, can adjust the distance between the screening ring board to this is adjusted the screening granularity, can sieve the colliery as required, obtains the colliery of ideal granularity, and application scope is wider.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
figure 1 is a block diagram of a coal mine screening apparatus.
Fig. 2 is a schematic structural diagram of one end of the coal mine screening device.
Figure 3 is a block diagram of an adjustment for a coal mine screening device.
Figure 4 is an exploded view of the conditioning element of the coal mine screening apparatus.
Fig. 5 is a structure diagram of a cross fixing frame of the coal mine screening device.
Figure 6 is a schematic view of a rectangular block and rectangular slot of a coal mine screening device.
Fig. 7 is a schematic structural diagram of a shielding plate and a roller of the coal mine screening device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. 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 first embodiment of the present invention provides a coal mine screening apparatus, which includes a support unit 100 and a screening unit 200, wherein the support unit 100 is used for supporting the screening unit 200, and the screening unit 200 is used for screening a coal mine.
Specifically, the supporting unit 100 includes a supporting frame 101, a main shaft 102 disposed on the supporting 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-shaped fixing frame 103, a plurality of screening ring plates 202 arranged between the two rollers 201 at equal intervals, a shielding plate 203 matched with the roller 201, an adjusting piece 204 driving the plurality of 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 on 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 two screening ring plates 202 on the two 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 connection plate 205b disposed between the two first fixing ring plates 205 a. The reason why the screening ring plate 202 is provided with a rectangular block 202a and the connection plate 205b is provided with a rectangular slot 205b-1 matching with the rectangular block 202a is that the rectangular slot 205b-1 is: when the coal mine is screened, some tiny coal mines can fall into the rectangular groove 205b-1, when the roller 201 rotates, the coal mines in the rectangular groove 205b-1 can easily fall off, the arrangement of the rectangular block 202a and the rectangular groove 205b-1 can easily limit the screening ring plate 202, and when the screening ring plate 202 moves, the rectangular block 202a on the screening ring plate 202 can easily push the coal mines in the rectangular groove 205b-1, and jamming cannot be formed.
The adjusting parts 204 are symmetrically arranged on two sides of the roller 201, the driving part 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, the roller 201 is provided with a first hole 201a, 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 driven to move through the two cams 204a, the screening ring plate 202 is prevented from being stuck when only the single-side adjusting part 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. Note that the timing belt 204c-2 sandwiches the main shaft 102 when it passes through the main shaft 102.
Further, the cross fixing frame 103 is a hollow structure, and the synchronous belt 204c-2 penetrates 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 the two first fixing ring plates 205 a. The screening units 200 are provided with three screening units, first grooves 201b are formed in two sides of the drum 201 arranged between the two screening ring plates 202, and a plurality of connecting plates 205b and adjusting pieces 204 of the same screening unit 200 are arranged at equal angles.
In this embodiment, the spacing of the screening ring plates 202 in three screening units 200 increases in sequence. When the screening device is used, the screening device is slightly obliquely placed, 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, feeding is carried out from the side with the smaller distance between the screening ring plates 202, the main shaft 102 is driven to rotate through the driving device, the cross fixing frame 103 fixedly connected with the main shaft 102 drives the roller 201 to rotate, and a 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 present 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., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited 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 this invention. 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 inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
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, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a colliery screening plant which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the supporting unit (100) comprises a supporting frame (101), a main shaft (102) arranged on the supporting 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);
screening unit (200), including with cylinder (201), a plurality of equidistance that cross mount (103) are connected set up in two screening crown plate (202) between cylinder (201), with cylinder (201) complex shielding plate (203), drive a plurality of screening crown plate (202) carry out regulating part (204) that remove, and fix on cylinder (201) and with screening crown plate (202) complex supplementary mounting (205), shielding plate (203) fixed connection is close to cylinder (201) on screening crown plate (202).
2. A coal mine screening apparatus as claimed in claim 1, wherein: the adjusting piece (204) comprises a cam (204 a), clamping blocks (204 b) matched with the cam (204 a), a driving piece (204 c) driving the cam (204 a) to rotate, and an auxiliary rod (204 d) matched with the clamping blocks (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 clamping blocks (204 b) are matched with the annular track groove (204 a-1) and the inclined track grooves (204 a-2) respectively, and the clamping blocks (204 b) are fixedly connected with the screening ring plate (202).
3. A coal mine screening apparatus as set forth in claim 2, wherein: the auxiliary fixing member (205) includes a first fixing ring plate (205 a) connected to the drum (201), and a connecting plate (205 b) disposed between the two first fixing ring plates (205 a).
4. A coal mine screening apparatus as claimed in claim 3, wherein: the screening ring plate (202) is provided with a rectangular block (202 a), and the connecting plate (205 b) is provided with a rectangular groove (205 b-1) matched with the rectangular block (202 a).
5. A coal mine screening apparatus as claimed in claim 4, wherein: the adjusting parts (204) are symmetrically arranged on two sides of the roller (201), the driving part (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).
6. A coal mine screening apparatus as claimed in claim 5, wherein: the cross fixing frame (103) is of a hollow structure, and the synchronous belt (204 c-2) penetrates through the cross fixing frame (103).
7. A coal mine screening apparatus as claimed in claim 6, wherein: the roller (201) is provided with a first groove (201 b) matched with the shielding plate (203), the shielding plate (203) is provided with a second groove (203 a), and the second groove (203 a) corresponds to the synchronous belt (204 c-2).
8. A coal mine screening apparatus as claimed in claim 6 or claim 7, wherein: the adjusting piece (204) further comprises a shell (204 e), the shell (204 e) wraps the cam (204 a), and the shell (204 e) is fixed between the two first fixing ring plates (205 a).
9. A coal mine screening apparatus as claimed in claim 8, wherein: the screening unit (200) is provided with three, and the two sides of a roller (201) arranged between the two screening ring plates (202) are provided with first grooves (201 b).
10. A coal mine screening apparatus as claimed in claim 9, wherein: the connection plates (205 b) and the adjustment members (204) of one and the same screening unit (200) are equiangularly arranged.
CN202211077550.4A 2022-09-05 2022-09-05 Colliery screening plant Active CN115415146B (en)

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CN202211077550.4A CN115415146B (en) 2022-09-05 2022-09-05 Colliery screening plant

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CN115415146B CN115415146B (en) 2023-12-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117463605A (en) * 2023-12-27 2024-01-30 云南凯瑞特工程机械设备有限公司 Sand material powder screening device

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CN113844239A (en) * 2021-10-30 2021-12-28 华能伊敏煤电有限责任公司 Air purification device and purification method for mining heavy-duty car cab
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Publication number Priority date Publication date Assignee Title
CN117463605A (en) * 2023-12-27 2024-01-30 云南凯瑞特工程机械设备有限公司 Sand material powder screening device
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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