CN210701016U - Screening plant for coal mine production - Google Patents
Screening plant for coal mine production Download PDFInfo
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- CN210701016U CN210701016U CN201921221531.8U CN201921221531U CN210701016U CN 210701016 U CN210701016 U CN 210701016U CN 201921221531 U CN201921221531 U CN 201921221531U CN 210701016 U CN210701016 U CN 210701016U
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- coal mine
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Abstract
The utility model discloses a screening plant for coal mine production, the on-line screen storage device comprises a base, the conveyer is installed through the bolt in the inside bottom of base, and the top of base installs the mounting bracket that the slope set up through the bolt, and the mounting bracket is the rectangular frame structure, the curb plate is all installed through the bolt in the top both sides of mounting bracket, and installs the feeder hopper through the bolt between two curb plate tip and the mounting bracket, installs down the hopper through the bolt between the other end of two curb plates, driving motor is installed through the bolt to one side of mounting bracket. The utility model discloses in, qualified coal cinder falls into the conveyer through the clearance between dwang and the screening paddle and carries on, and pivoted screening paddle can effectually avoid the coal cinder to take place to block up, improves screening efficiency, and the bold coal is stirred by crisscross pivoted screening paddle and is smashed into the fritter, carries out the secondary crushing to the coal cinder in the screening, improves the quality of screening, and the unable broken coal cinder is followed hopper discharge and is retrieved down.
Description
Technical Field
The utility model relates to a coal mine production technical field especially relates to a screening plant is used in coal mine production.
Background
Coal is the most predominant solid fuel, one of the flammable organic rocks. The method is characterized in that luxuriant plants growing in a certain geological age are gradually stacked into a thick layer in a proper geological environment, buried in the water bottom or silt and subjected to natural coalification in a long geological age, and a coal mine is an area where people exploit coal resources in a coal-rich mining area and is generally divided into a mineshaft coal mine and an open-pit coal mine. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.
Coal is still an important energy source, because of economic price and abundant reserves, especially for power generation, in the production process of coal mines, in order to improve the utilization value of coal quality or coal to obtain commodity coal or coal products suitable for different needs, after initial coal is excavated out, the volume of the initial coal is large, which is not beneficial to production and processing, so that the coal mine needs to be crushed and screened in the production and processing process of coal mines, and the coal mine is changed into a block with small volume, however, the existing coal is mainly screened by a roller screen, and the coal blocks which are completely crushed cannot be subjected to secondary treatment, so that the production efficiency of the coal mine is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a screening device for coal mine production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a screening plant for coal mine production, includes the base, the conveyer is installed through the bolt in the inside bottom of base, and the top of base installs the mounting bracket that the slope set up through the bolt, and the mounting bracket is the rectangular frame structure, the curb plate is all installed through the bolt in the top both sides of mounting bracket, and installs the feeder hopper through the bolt between two curb plate tip and the mounting bracket, installs down the hopper through the bolt between the other end of two curb plates, driving motor is installed through the bolt in one side of mounting bracket, and driving motor's output shaft passes through the bolt and installs the dwang, and the bearing is passed through at the both ends of dwang and the mounting bracket rotates and is connected, a plurality of screening paddles are installed through the bolt in the outside of.
Preferably, the conveyer includes motor drive's conveying roller and conveyer belt, and the conveyer belt cup joints in the outside of conveying roller, and the one end of conveyer belt is located the below of mounting bracket.
Preferably, the top ends of the two side plates are provided with cover plates through hasp locks, and the top of each cover plate is provided with a plurality of plugging hole cleaning grooves.
Preferably, two step motor are installed through the bolt to one side of feeder hopper, and the feed roller is installed through the bolt to two step motor's output shaft.
Preferably, the both ends of feed roller are passed through the bearing and are rotated with the inner wall of feeder hopper and be connected, and the outside of two feed rollers is installed a plurality of tooth pieces that stagger and set up through the bolt.
Preferably, the device also comprises guide plates which are arranged on the inner walls of the two sides of the base through bolts, the guide plates are of arc structures, the bottom ends of the two guide plates are positioned above the conveyor, and a plurality of arc-shaped flow distribution plates are arranged between the two guide plates through bolts.
Preferably, the top edge of the base is provided with a scraper blade through a bolt, and the top of the scraper blade is in contact with the bottom surface of the conveying belt.
The utility model has the advantages that:
1. the utility model provides a screening plant for coal mine production, qualified coal cinder falls into the conveyer through the clearance between dwang and the screening paddle and carries, and the rotatory screening paddle can effectually avoid the coal cinder to take place to block up, improves screening efficiency, and the bold coal is stirred by crisscross pivoted screening paddle and is smashed into the fritter, carries out the secondary crushing to the coal cinder when screening, improves the quality of screening, and the coal cinder that can't break is discharged from the hopper and is retrieved;
2. the utility model provides a screening plant for coal mine production utilizes step motor to drive feed roller and tooth piece and rotates, utilizes the tooth piece to stir the coal cinder at the uniform velocity to the device inside, improves the controllability of feeding, and the tooth piece can carry out preliminary dispersion with the coal cinder of coalescence, avoids the device to appear the phenomenon of feeding jam, improves the stability of this device operation in-process, further improves coal cinder screening efficiency;
3. the utility model provides a pair of screening plant for coal mine production installs the guide plate of two arc structures in the top of conveyer, can gather the coal cinder under the screening at the middle part of conveyer, avoids the coal cinder to fall into the clearance between conveyer and the base and causes the device card to pause and damage, and the arc flow distribution plate can shunt the coal cinder on the conveyer and strickle off, improves the stability that the coal cinder was carried, extension fixture's life.
Drawings
Fig. 1 is a schematic sectional structural view of a screening device for coal mine production according to the present invention;
fig. 2 is a schematic side view of the screening device for coal mine production according to the present invention;
fig. 3 is a schematic sectional structural view of a screening device for coal mine production according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a flow guide plate and an arc-shaped flow distribution plate of a screening device for coal mine production, which is provided by the embodiment of the utility model II.
In the figure: the device comprises a conveyor 1, a base 2, a mounting frame 3, a tooth block 4, a feed hopper 5, a feed roller 6, a cover plate 7, a side plate 8, a rotating rod 9, a screening paddle 10, a blanking hopper 11, a stepping motor 12, a driving motor 13, a guide plate 14, a scraper 15 and an arc-shaped splitter plate 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-2, a screening device for coal mine production comprises a base 2, a conveyor 1 is installed at the bottom inside the base 2 through bolts, an obliquely arranged mounting frame 3 is installed at the top end of the base 2 through bolts, the mounting frame 3 is of a rectangular frame structure, side plates 8 are installed on two sides of the top of the mounting frame 3 through bolts, a feed hopper 5 is installed between the end portions of the two side plates 8 and the mounting frame 3 through bolts, a discharge hopper 11 is installed between the other ends of the two side plates 8 through bolts, a driving motor 13 is installed on one side of the mounting frame 3 through bolts, a rotating rod 9 is installed on an output shaft of the driving motor 13 through bolts, two ends of the rotating rod 9 are rotatably connected with the mounting frame 3 through bearings, a plurality of screening blades 10 are installed on the outer side of the rotating rod 9 through bolts, carry the inside of feeder hopper 5 through conveyor with the coal cinder after the breakage in the course of the work, the colliery rolls down from 3 tops of mounting bracket, wherein a plurality of dwang 9 and the screening paddle 10 of 3 inside of mounting bracket rotate, qualified coal cinder falls into conveyer 1 through the clearance between dwang 9 and the screening paddle 10 and carries, and pivoted screening paddle 10 can effectually avoid the coal cinder to take place to block up, improve screening efficiency, the bold coal is stirred into the fritter by crisscross pivoted screening paddle 10, carry out the secondary crushing to the coal cinder when the screening, improve the quality of screening, the unable broken coal cinder is retrieved from hopper 11 discharges down.
In the utility model, the conveyor 1 comprises a conveying roller and a conveying belt which are driven by a motor, the conveying belt is sleeved outside the conveying roller, and one end of the conveying belt is positioned below the mounting frame 3;
the top ends of the two side plates 8 are provided with the cover plate 7 through the hasp lock, the top of the cover plate 7 is provided with a plurality of plugging hole cleaning grooves, and the cover plate 7 can effectively reduce dust excited in the coal screening process and avoid pollution to the working environment caused by coal mine splashing;
two step motor 12 are installed through the bolt in one side of feeder hopper 5, and the output shaft of two step motor 12 installs feed roller 6 through the bolt, the both ends of feed roller 6 are passed through the bearing and are rotated with the inner wall of feeder hopper 5 and be connected, and the outside of two feed roller 6 is installed a plurality of crisscross tooth pieces 4 that set up through the bolt, at the in-process that the coal cinder adds, utilize step motor 12 to drive feed roller 6 and tooth piece 4 and rotate, utilize tooth piece 4 to stir the coal cinder at the uniform velocity to the device inside, improve the controllability of feeding, and tooth piece 4 can carry out preliminary dispersion with the coal cinder of coalescence, avoid the device phenomenon that the feed jam appears, improve the stability of this device operation in-process, further improve coal cinder screening efficiency.
Example two
Referring to fig. 3-4, the screening device for coal mine production further comprises guide plates 14 mounted on the inner walls of two sides of the base 2 through bolts, the guide plates 14 are of arc structures, the bottom ends of the two guide plates 14 are located above the conveyor 1, a plurality of arc-shaped flow distribution plates 16 are mounted between the two guide plates 14 through bolts, the two guide plates 14 of arc structures are mounted above the conveyor 1, screened coal blocks can be gathered in the middle of the conveyor 1, the situation that the device is jammed and damaged due to the fact that the coal blocks fall into a gap between the conveyor 1 and the base 2 is avoided, the arc-shaped flow distribution plates 16 can distribute and scrape the coal blocks on the conveyor 1, the conveying stability of the coal blocks is improved, and the service life of the device is prolonged;
The working principle is as follows: in the spare part of the device, all the electric devices, namely power elements, electric devices, adaptive controllers and a power supply are connected through leads, a specific connecting means refers to the following working principle that the electric connection is completed among the electric devices in sequence, the detailed connecting means is a known technology in the field, the working principle and the process are mainly introduced below, the electric control is not explained, the crushed coal blocks are conveyed into the feed hopper 5 through a conveying device in the working process, a coal mine rolls downwards from the upper part of the mounting frame 3, a plurality of rotating rods 9 and sieving blades 10 in the mounting frame 3 rotate, qualified coal blocks fall onto the conveyor 1 through gaps between the rotating rods 9 and the sieving blades 10 and are conveyed, large coal blocks are crushed into small blocks by the sieving blades 10 which rotate in a staggered mode, and the coal blocks are crushed for the second time during sieving, the coal blocks which cannot be crushed are discharged and recovered from the blanking hopper 11;
in the coal block adding process, the stepping motor 12 is used for driving the feeding roller 6 and the tooth blocks 4 to rotate, the tooth blocks 4 are used for stirring the coal blocks to the inside of the device at a constant speed, the feeding controllability is improved, the tooth blocks 4 can primarily disperse the coalesced coal blocks, the phenomenon of feeding blockage of the device is avoided, the stability of the device in the operation process is improved, and the coal block screening efficiency is further improved;
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. A screening device for coal mine production comprises a base (2), a conveyor (1) is installed at the bottom inside the base (2) through bolts, a mounting frame (3) which is obliquely arranged is installed at the top end of the base (2) through bolts, the mounting frame (3) is of a rectangular frame structure, side plates (8) are installed on two sides of the top of the mounting frame (3) through bolts, a feed hopper (5) is installed between the end parts of the two side plates (8) and the mounting frame (3) through bolts, a discharge hopper (11) is installed between the other ends of the two side plates (8) through bolts, and the screening device is characterized in that a driving motor (13) is installed on one side of the mounting frame (3) through bolts, a rotating rod (9) is installed on an output shaft of the driving motor (13) through bolts, and two ends of the rotating rod (9) are, a plurality of screening paddle leaf (10) are installed through the bolt in the outside of dwang (9), and crisscross setting between two adjacent screening paddle leaf (10).
2. The screening device for coal mine production according to claim 1, wherein the conveyor (1) comprises a conveying roller and a conveying belt which are driven by a motor, the conveying belt is sleeved outside the conveying roller, and one end of the conveying belt is located below the mounting frame (3).
3. A screening device for coal mine production as claimed in claim 1, wherein the top ends of the two side plates (8) are provided with a cover plate (7) by snap-on locking, and the top of the cover plate (7) is provided with a plurality of blockage removing grooves.
4. A screening device for coal mine production according to claim 1, wherein one side of the feed hopper (5) is bolted with two stepping motors (12), and the output shafts of the two stepping motors (12) are bolted with the feed roller (6).
5. A screening device for coal mine production according to claim 4, characterized in that two ends of the feeding rollers (6) are rotatably connected with the inner wall of the feeding hopper (5) through bearings, and a plurality of staggered tooth blocks (4) are mounted on the outer sides of the two feeding rollers (6) through bolts.
6. The screening device for coal mine production according to claim 2, characterized by further comprising guide plates (14) mounted on the inner walls of the two sides of the base (2) through bolts, wherein the guide plates (14) are of arc structures, the bottom ends of the two guide plates (14) are located above the conveyor (1), and a plurality of arc-shaped splitter plates (16) are mounted between the two guide plates (14) through bolts.
7. A screening device for coal mine production according to claim 6, wherein the top edge of the base (2) is bolted with a scraper (15) and the top of the scraper (15) is in contact with the bottom surface of the belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221531.8U CN210701016U (en) | 2019-07-31 | 2019-07-31 | Screening plant for coal mine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221531.8U CN210701016U (en) | 2019-07-31 | 2019-07-31 | Screening plant for coal mine production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210701016U true CN210701016U (en) | 2020-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921221531.8U Expired - Fee Related CN210701016U (en) | 2019-07-31 | 2019-07-31 | Screening plant for coal mine production |
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| Country | Link |
|---|---|
| CN (1) | CN210701016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940272A (en) * | 2020-07-29 | 2020-11-17 | 新疆凯盛建材设计研究院（有限公司） | Unpowered impurity removal device and multistage impurity removal device |
| CN111974670A (en) * | 2020-08-07 | 2020-11-24 | 孟轲 | Waste steel slag recovery treatment equipment and use method thereof |
| CN112372828A (en) * | 2020-10-19 | 2021-02-19 | 庐江县乐川新型建材有限责任公司 | A raw material mixing device for baked brick |
-
2019
- 2019-07-31 CN CN201921221531.8U patent/CN210701016U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940272A (en) * | 2020-07-29 | 2020-11-17 | 新疆凯盛建材设计研究院（有限公司） | Unpowered impurity removal device and multistage impurity removal device |
| CN111974670A (en) * | 2020-08-07 | 2020-11-24 | 孟轲 | Waste steel slag recovery treatment equipment and use method thereof |
| CN112372828A (en) * | 2020-10-19 | 2021-02-19 | 庐江县乐川新型建材有限责任公司 | A raw material mixing device for baked brick |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |