Coal mine screening equipment for coal mining
Through hydraulic lifting and design of coal mine screening equipment with multiple screen plates and discharge ports, the problems of screen clogging and low screening efficiency are solved, and efficient coal mine screening is achieved.
Patent Information
- Application Number
- CN202421992818.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-16
AI Technical Summary
In existing coal mine screening equipment, the screen mesh is fixedly arranged inside the screen barrel, which makes the screen mesh easily blocked and difficult to clean, thereby reducing the screening efficiency.
The screen plate and screen cylinder are separated by hydraulic lifting and lowering settings, which facilitates the cleaning of blocked coal, and designs through multiple screen plates and discharge ports to improve the screening effect.
It effectively solves the problem of screen clogging, improves screening efficiency, ensures that the equipment always maintains a good screening state, and improves the applicability of coal mine screening equipment.
Smart Images
Figure CN223027759U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a coal mine screening device, in particular to a coal mine screening device for coal mining, belonging to the technical field of coal mine screening. Background Art
[0002] China is rich in coal resources. At present, China's coal production ranks first in the world. The raw coal mined from coal mines needs to go through various processes such as screening and impurity removal before it can be used in enterprises such as coking or chemical industry. Therefore, screening is one of the more important steps in the impurity removal process. In the prior art, the sieve mesh is usually fixedly arranged inside the sieve cylinder, and the purpose of screening is achieved by pouring coal and vibrating the sieve mesh. Screening is a preparation work with a relatively long duration. Therefore, the sieve mesh will encounter the problem of blockage during the process. Since the sieve mesh is built into the sieve cylinder, it is difficult to clean, resulting in a decrease in screening efficiency and being unfavorable for the progress of other processing procedures.
[0003] Therefore, it is urgent to improve the coal mine screening device for coal mining to solve the above-mentioned existing problems. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a coal mine screening device for coal mining, which realizes the separation of the sieve plate and the sieve cylinder through hydraulic lifting, facilitates the cleaning of the coal blocking the sieve holes, enables the device to always maintain a good screening state, and thus greatly improves the screening efficiency and is conducive to the advancement of the coal processing procedure.
[0005] In order to achieve the above purpose, the main technical solutions adopted by the utility model include:
[0006] A coal mine screening device for coal mining includes a base and a sieve cylinder fixedly connected to the middle of the upper side of the base. A plurality of hydraulic support rods are fixedly arranged at the four corners of the base. A hydraulic transmission rod is vertically slidably arranged inside the hydraulic support rod. The top end of the hydraulic transmission rod is fixedly connected to a top plate. A motor is fixedly installed in the middle of the lower side of the top plate. A rotating shaft is rotatably arranged at the bottom of the motor. The output end of the rotating shaft is fixedly connected to a sieve plate one and a sieve plate two. The sieve plate two is arranged below the sieve plate one, and both the sieve plate one and the sieve plate two are rotatably arranged inside the sieve cylinder;
[0007] The upper end of the sieve cylinder is rotatably connected to a sieve cylinder cover through a hinge. A feed hopper is fixedly arranged on one side of the sieve cylinder away from the hinge. A discharge port one is opened at the position of the sieve cylinder corresponding to the sieve plate one, and a discharge port two is opened at the position of the sieve cylinder corresponding to the sieve plate two, and the discharge port one and the discharge port two are arranged opposite to each other.
[0008] Preferably, a number of uniformly distributed sieve holes one are formed inside the first sieve plate, and a number of uniformly distributed rollers one are rotatably arranged on the outer side edge of the first sieve plate, and the rollers one are in contact with the inner side surface of the sieve cylinder.
[0009] Preferably, a number of uniformly distributed sieve holes two are formed inside the second sieve plate, and a number of uniformly distributed rollers two are rotatably arranged on the bottom side edge of the second sieve plate. A support ring is fixedly arranged inside the sieve cylinder, and the support ring is in contact with the rollers two.
[0010] Preferably, a control console is fixedly installed on the outer side surface of the hydraulic support rod. A hydraulic control switch is fixedly arranged on one side of the upper surface of the control console. The hydraulic control switch is electrically connected to the hydraulic support rod. On the other side of the upper surface of the control console, a motor control switch is fixedly arranged, and the motor control switch is electrically connected to the motor.
[0011] Preferably, a discharge port three is formed at the lower end of the sieve cylinder, and the discharge port three is arranged on the same side as the hinge.
[0012] Preferably, a mounting plate is fixedly installed at the top end of the motor, and the mounting plate is bolted to the top plate through screw holes.
[0013] Preferably, a fixing block one is fixedly installed on the bottom side surface of the first sieve plate, and the fixing block one is rotationally connected to the rotating shaft through threads.
[0014] Preferably, a fixing block two is fixedly installed on the bottom side surface of the second sieve plate, and the fixing block two is rotationally connected to the rotating shaft through threads.
[0015] The utility model at least has the following beneficial effects:
[0016] 1. The utility model realizes the separation of the sieve plate and the sieve cylinder through hydraulic lifting, which is convenient for cleaning the coal blocking the sieve holes, so that the equipment always maintains a good screening state. Therefore, the screening efficiency is greatly improved, which is beneficial to the progress of the coal processing process.
[0017] 2. The utility model cooperates with the sieve cylinder and the motor, uses multiple sieve plates and opens multiple discharge ports to achieve the purpose of screening the coal mine multiple times, thereby improving the screening effect of the screening equipment on the coal mine, solving the problems of single screening means and poor screening effect of the traditional screening equipment, greatly improving the applicability of the coal mine screening equipment, and being suitable for large-scale promotion.
[0018] 3. The rollers arranged at the edge or bottom of the sieve plate of the utility model effectively reduce the friction between the sieve plate and the sieve cylinder, so that the motor operates more flexibly and efficiently, and further improves the power utilization rate of the electric energy, achieving the purpose of saving electricity. Description of the Drawings
[0019] The accompanying drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:
[0020] Figure 1 is a sectional elevation view of the present utility model;
[0021] Figure 2 is the structure of the present utility model Figure 1 ;
[0022] Figure 3 is the structure of the present utility model Figure 2 ;
[0023] Figure 4 is the structure of the present utility model Figure 3 ;
[0024] Figure 5 is the front elevation view of the present utility model.
[0025] In the figure, 1 - base, 2 - hydraulic support rod, 201 - hydraulic transmission rod, 3 - top plate, 4 - motor, 401 - rotating shaft, 402 - mounting plate, 403 - screw hole, 5 - sieve plate one, 501 - sieve hole one, 502 - roller one, 503 - fixing block one, 6 - sieve plate two, 601 - sieve hole two, 602 - roller two, 603 - fixing block two, 7 - sieve cylinder, 701 - sieve cylinder cover, 702 - hinge, 703 - feed hopper, 704 - support ring, 705 - discharge port one, 706 - discharge port two, 707 - discharge port three,, 8 - control console, 801 - hydraulic control switch, 802 - motor control switch. Detailed implementation manners
[0026] The following will describe in detail the implementation manners of the present application in conjunction with the accompanying drawings and embodiments, so as to fully understand how the present application uses technical means to solve technical problems and achieve the realization process of technical effects and implement accordingly.
[0027] Such as Figures 1 - 5As shown in the figure, a coal screening device for coal mining provided in this embodiment includes a base 1 and a sieve drum 7 fixedly connected to the middle of the upper side of the base 1. A number of hydraulic support rods 2 are fixedly arranged at the four corners of the base 1. A hydraulic transmission rod 201 is vertically slidably arranged inside the hydraulic support rod 2. The top end of the hydraulic transmission rod 201 is fixedly connected to a top plate 3. A motor 4 is fixedly installed in the middle of the lower side of the top plate 3. A rotating shaft 401 is rotatably arranged at the bottom of the motor 4. The output end of the rotating shaft 401 is fixedly connected to a first sieve plate 5 and a second sieve plate 6. The second sieve plate 6 is arranged below the first sieve plate 5, and both the first sieve plate 5 and the second sieve plate 6 are rotatably arranged inside the sieve drum 7. The separation of the sieve plate and the sieve drum is realized through hydraulic lifting, which is convenient for cleaning the coal blocking the sieve holes, so that the equipment always maintains a good screening state. Therefore, the screening efficiency is greatly improved, which is beneficial to the advancement of the coal processing process;
[0028] The upper end of the sieve drum 7 is rotatably connected to a sieve drum cover 701 through a hinge 702. A feed hopper 703 is fixedly arranged on one side of the sieve drum 7 away from the hinge 702. A first discharge port 705 is opened at the position of the sieve drum 7 corresponding to the first sieve plate 5. A second discharge port 706 is opened at the position of the sieve drum 7 corresponding to the second sieve plate 6, and the first discharge port 705 and the second discharge port 706 are arranged opposite to each other. Through the common cooperation of the sieve drum 7 and the motor 4, a third discharge port 707 is opened at the lower end of the sieve drum 7. The third discharge port 707 is arranged on the same side as the hinge 702. By using multiple sieve plates and opening multiple discharge ports, the purpose of screening the coal mine multiple times is achieved, thereby improving the screening effect of the screening equipment on the coal mine, solving the problems of single screening means and poor screening effect of the traditional screening equipment, greatly improving the applicability of the coal mine screening equipment, and being suitable for a large number of promotions.
[0029] Furthermore, as Figure 1 and Figure 3 shown, a number of uniformly distributed first sieve holes 501 are opened inside the first sieve plate 5. A number of uniformly distributed first rollers 502 are rotatably arranged at the outer side edge of the first sieve plate 5, and the first rollers 502 are in contact with the inner side surface of the sieve drum 7. A number of uniformly distributed second sieve holes 601 are opened inside the second sieve plate 6. A number of uniformly distributed second rollers 602 are rotatably arranged at the bottom side edge of the second sieve plate 6. A support ring 704 is fixedly arranged inside the sieve drum 7, and the support ring 704 is in contact with the second rollers 602. The rollers arranged at the edge or bottom of the sieve plate effectively reduce the friction between the sieve plate and the sieve drum, so that the motor operates more flexibly and efficiently, and further the power utilization rate is higher, achieving the purpose of saving electricity.
[0030] In addition, as Figure 1 , Figure 4 and Figure 5As shown in the figure, a control console 8 is fixedly installed on the outer side surface of the hydraulic support rod 2. On one side of the upper surface of the control console 8, a hydraulic control switch 801 is fixedly arranged. The hydraulic control switch 801 is electrically connected to the hydraulic support rod 2. On the other side of the upper surface of the control console 8, a motor control switch 802 is fixedly arranged. The motor control switch 802 is electrically connected to the motor 4, which can better control the operation of the equipment and simplify the operation steps.
[0031] Furthermore, as Figure 3 shown, an installation plate 402 is fixedly installed at the top end of the motor 4. The installation plate 402 is bolted to the top plate 3 through screw holes 403. A fixing block one 503 is fixedly installed on the bottom side surface of the first sieve plate 5. The fixing block one 503 is rotationally connected to the rotating shaft 401 through threads. A fixing block two 603 is fixedly installed on the bottom side surface of the second sieve plate 6. The fixing block two 603 is rotationally connected to the rotating shaft 401 through threads, which is convenient for disassembly, inspection and maintenance, and at the same time improves the service life of the equipment.
[0032] As Figures 1 - 5 shown, the principle of the coal screening equipment for coal mining provided in this embodiment is as follows:
[0033] A coal screening equipment for coal mining provided in this embodiment includes a base 1 and a sieve cylinder 7 fixedly connected to the middle of the upper side surface of the base 1. A plurality of hydraulic support rods 2 are fixedly arranged at the four corners of the base 1. A hydraulic transmission rod 201 is vertically slidably arranged inside the hydraulic support rod 2. The top end of the hydraulic transmission rod 201 is fixedly connected to a top plate 3. A motor 4 is fixedly installed in the middle of the lower side surface of the top plate 3. A rotating shaft 401 is rotatably arranged at the bottom of the motor 4. The output end of the rotating shaft 401 is fixedly connected to a first sieve plate 5 and a second sieve plate 6. The second sieve plate 6 is arranged below the first sieve plate 5, and both the first sieve plate 5 and the second sieve plate 6 are rotatably arranged inside the sieve cylinder 7. The separation of the sieve plate and the sieve cylinder is realized through hydraulic lifting, which is convenient for cleaning the coal blocking the sieve holes and keeps the equipment in a good screening state all the time. Therefore, the screening efficiency is greatly improved, which is beneficial to the advancement of the coal processing process;
[0034] The upper end of the sieve cylinder 7 is rotatably connected to a sieve cylinder cover 701 through a hinge 702. A feed hopper 703 is fixedly arranged on one side of the sieve cylinder 7 away from the hinge 702. A first discharge port 705 is opened at the position of the sieve cylinder 7 corresponding to the first sieve plate 5. A second discharge port 706 is opened at the position of the sieve cylinder 7 corresponding to the second sieve plate 6, and the first discharge port 705 and the second discharge port 706 are arranged opposite to each other. Through the common cooperation of the sieve cylinder 7 and the motor 4, a third discharge port 707 is opened at the lower end of the sieve cylinder 7. The third discharge port 707 is arranged on the same side as the hinge 702. Through the common cooperation of the sieve cylinder and the motor, multiple sieve plates and multiple discharge ports are used to achieve the purpose of screening coal multiple times, thereby improving the screening effect of the screening equipment on coal, solving the problems of single screening means and poor screening effect of traditional screening equipment, and greatly improving the applicability of the coal screening equipment.
[0035] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not distinguish components by the difference in names, but by the difference in functions of the components. As used throughout the specification and claims, the term "comprising" is an open-ended term and should be interpreted as "comprising but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve technical problems within a certain error range and basically achieve the technical effects.
[0036] It should be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the commodity or system including the element.
[0037] The above description shows and describes several preferred embodiments of the present invention. However, as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the inventive concept described herein through the above teachings or the technology or knowledge in the relevant field. And any changes and variations made by those skilled in the art without departing from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.
Claims
1. A coal screening device used in coal mining, comprising a base (1) and a screen cylinder (7) fixedly connected to the middle of the upper side of the base (1), characterized in that: A plurality of hydraulic support rods (2) are fixedly arranged at the four corners of the base (1), a hydraulic transmission rod (201) is vertically slidably arranged inside the hydraulic support rod (2), a top plate (3) is fixedly connected to the top of the hydraulic transmission rod (201), a motor (4) is fixedly installed in the middle of the lower side of the top plate (3), a rotating shaft (401) is rotatably arranged at the bottom of the motor (4), a sieve plate 1 (5) and a sieve plate 2 (6) are fixedly connected to the output end of the rotating shaft (401), the sieve plate 2 (6) is arranged below the sieve plate 1 (5), and the sieve plate 1 (5) and the sieve plate 2 (6) are both rotatably arranged inside the sieve cylinder (7); The upper end of the sieve drum (7) is rotatably connected to a sieve drum cover (701) via a hinge (702); a feed hopper (703) is fixedly provided on a side of the sieve drum (7) away from the hinge (702); a first discharge port (705) is provided on the sieve drum (7) at a position corresponding to the first sieve plate (5); a second discharge port (706) is provided on the sieve drum (7) at a position corresponding to the second sieve plate (6); and the first discharge port (705) and the second discharge port (706) are arranged opposite to each other.
2. A coal screening device for coal mining according to claim 1, characterized in that: The sieve plate 1 (5) is provided with a plurality of evenly distributed sieve holes 1 (501) inside, and a plurality of evenly distributed rollers 1 (502) are rotatably provided on the outer side edge of the sieve plate 1 (5), and the rollers 1 (502) abut against the inner side surface of the sieve cylinder (7).
3. The coal screening equipment used in coal mining according to claim 1, characterized in that: The second sieve plate (6) is provided with a plurality of evenly distributed second sieve holes (601) inside, a plurality of evenly distributed second rollers (602) are rotatably provided on the edge of the bottom side of the second sieve plate (6), and a support ring (704) is fixedly provided inside the sieve cylinder (7), and the support ring (704) abuts against the second roller (602).
4. The coal screening equipment used in coal mining according to claim 1, characterized in that: A control console (8) is fixedly mounted on the outer side surface of the hydraulic support rod (2); a hydraulic control switch (801) is fixedly arranged on one side of the upper surface of the control console (8); the hydraulic control switch (801) is electrically connected to the hydraulic support rod (2); and a motor control switch (802) is fixedly arranged on the other side of the upper surface of the control console (8); the motor control switch (802) is electrically connected to the motor (4).
5. The coal screening equipment used in coal mining according to claim 1, characterized in that: A third discharge port (707) is provided at the lower end of the screen cylinder (7), and the third discharge port (707) is arranged on the same side as the hinge (702).
6. The coal screening equipment used in coal mining according to claim 1, characterized in that: A mounting plate (402) is fixedly mounted on the top of the motor (4), and the mounting plate (402) is bolted to the top plate (3) via screw holes (403).
7. The coal screening equipment used in coal mining according to claim 1, characterized in that: A fixing block 1 (503) is fixedly mounted on the bottom side of the sieve plate 1 (5), and the fixing block 1 (503) is rotatably connected to the rotating shaft (401) via a thread.
8. The coal screening equipment used in coal mining according to claim 1, characterized in that: A second fixing block (603) is fixedly mounted on the bottom side of the second sieve plate (6), and the second fixing block (603) is threadedly rotatably connected to the rotating shaft (401).