Multi-layer coal mine screening device for coal mining
By designing a multi-layer screening device, the reciprocating motion and vibration of the inclined screen plate are used to solve the problem of screen clogging, realize uniform screening and collection of coal, and improve the screening effect.
Patent Information
- Application Number
- CN202423028952.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing coal mine screening equipment is prone to screen clogging and has poor screening effect.
A multi-layer screening device is used, which achieves uniform screening and collection of coal mines by the continuous horizontal reciprocating motion and vibration of the inclined first and second screen plates, combined with the meshing of the half gear and rack driven by the motor.
It effectively avoids screen clogging, improves screening efficiency, and achieves uniform screening and collection of coal in coal mines.
Smart Images
Figure CN223556511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine screening technical field, concretely to a multilayer coal mine screening device for coal mining. BACKGROUND
[0002] Most of the coal mines in China belong to underground coal mines, the coal mines mined initially are inconvenient for production and processing due to large volume, so need to crush and screen the coal mines in the mining process, thereby reducing the volume of coal for convenient transportation.
[0003] The existing coal mine screening device is prone to cause the coal mines to accumulate together in the use process, the screen is prone to be blocked, and the screening effect is poor.
[0004] In view of the above problems, the utility model provides a multilayer coal mine screening device for coal mining. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of multilayer coal mine screening devices for coal mining, by the first screen plate and the second screen plate of inclined arrangement continue horizontal reciprocating movement and vibration, uniformly screen and collect coal mine, avoid jam, to solve the problem in background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multilayer coal mine screening device for coal mining, including support frame, the upper end of support frame is provided with hopper, the inner side wall of support frame is fixed with rectangular plate, the inside of rectangular plate is provided with T plate, T plate both sides are provided with spring and impact rod, the outer end of T plate is fixed with support plate, the upper end of support plate side surface is fixed with rack, the upper end of rectangular plate is fixed with motor, the output of motor is fixed with half gear, support plate side surface is vertically sequentially fixed with first screen plate and second screen plate, the inner bottom surface of first screen plate is opened with a plurality of first holes, the inner bottom surface of second screen plate is opened with a plurality of second holes.
[0007] Further, T-shaped groove is opened in the inside of rectangular plate, T plate is slidably connected on the inner surface of T-shaped groove, spring is tightly connected between the inner side wall of T-shaped groove and the side surface of T plate, impact rod is fixedly connected on the inner side wall of T-shaped groove away from spring, half gear is connected with rack.
[0008] Further, the upper end of support frame is opened with discharging hole, the lower end of discharging hole is opposite to the upper end of the inclined surface of first screen plate, the upper end of discharging hole is fixedly communicated with the bottom end of hopper.
[0009] Further, the inclined surface lower end of first screen plate and second screen plate and the directly below of second screen plate are provided with collecting box, and the collecting box is placed on the inner bottom surface of support frame.
[0010] Further, the support frame bottom end four corners are fixedly installed with universal wheels, and a handle is fixedly arranged on the outer side upper end of the support frame.
[0011] Further, the first hole inner diameter is larger than the second hole inner diameter.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The coal mine crushing device is characterized in that: the support frame is fixedly connected with the rectangular plate, the rectangular plate is provided with the T-shaped groove, the T-shaped plate is arranged in the T-shaped groove, the spring is arranged between the T-shaped plate and the rectangular plate, the T-shaped plate is provided with the impact rod, the support plate is arranged on the outer side of the T-shaped plate, the motor is arranged on the support plate, the half gear is arranged on the motor, the gear rack is arranged on the support plate, the first sieve plate is arranged on the gear rack, the first hole is arranged on the first sieve plate, the second sieve plate is arranged below the first sieve plate, the second hole is arranged on the second sieve plate, and the collecting box is arranged below the second sieve plate. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is a discharging hole position schematic view in the utility model;
[0016] Figure 3 It is a rectangular plate upper end structure schematic view in the utility model;
[0017] Figure 4 It is a rectangular plate internal structure schematic view in the utility model.
[0018] In the drawing: 1, support frame; 2, discharging hole; 3, funnel; 4, rectangular plate; 5, T-shaped groove; 6, T-shaped plate; 7, spring; 8, impact rod; 9, support plate; 10, motor; 11, half gear; 12, gear rack; 13, first sieve plate; 14, first hole; 15, second sieve plate; 16, second hole; 17, collecting box; 18, universal wheel; 19, handle. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] In order to solve how to effectively screen technical problems, such as Figures 1-4 As shown in the following preferred technical solutions are provided:
[0021] A multi-layer coal mine screening device for coal mining, comprising a support frame 1, the upper end of the support frame 1 is provided with a hopper 3, the inner side wall of the support frame 1 is fixedly provided with a rectangular plate 4, the inside of the rectangular plate 4 is provided with a T-shaped plate 6, the two sides of the T-shaped plate 6 are respectively provided with a spring 7 and a impact rod 8, the outer end of the T-shaped plate 6 is fixedly provided with a support plate 9, the side surface of the support plate 9 is fixedly provided with a rack 12 at the upper end, the upper end of the rectangular plate 4 is fixedly provided with a motor 10 at the middle, the output end of the motor 10 is fixedly provided with a half gear 11, the side surface of the support plate 9 is vertically and sequentially fixedly provided with a first sieve plate 13 and a second sieve plate 15, the inner bottom surface of the first sieve plate 13 is provided with a plurality of evenly distributed first holes 14, and the inner bottom surface of the second sieve plate 15 is provided with a plurality of evenly distributed second holes 16.
[0022] Specifically, after the coal is crushed, it is put into the hopper 3, then falls into the first sieve plate 13 below and slides downward along the inclined surface, the smaller coal falls into the second sieve plate 15 below through the first holes 14 and slides downward along the inclined surface, and the same smaller coal falls into the lower part for collection through the second holes 16, and some larger coal slides downward along the inclined surface of the first sieve plate 13 and the second sieve plate 15 and is collected, in the process, the motor 10 is started to drive the half gear 11 to rotate, when the half gear 11 meshes with the rack 12, the support plate 9 is driven to move to one side, and the first sieve plate 13 and the second sieve plate 15 are synchronously moved, at this time, the T-shaped plate 6 compresses the spring 7, then when the half gear 11 continues to rotate and does not mesh with the rack 12, the T-shaped plate 6 is reset and hits the impact rod 8 under the pushing of the spring 7 recovering deformation, and the first sieve plate 13 and the second sieve plate 15 are synchronously reset and vibrated, so when the half gear 11 continuously rotates, the first sieve plate 13 and the second sieve plate 15 continuously move horizontally and reciprocally and vibrate, and the coal is uniformly screened and collected, avoiding blockage. The purpose of this design is to continuously move horizontally and reciprocally and vibrate the first sieve plate 13 and the second sieve plate 15 arranged obliquely, to uniformly screen and collect the coal, and to avoid blockage.
[0023] Further, as shown in the following preferred technical solutions are provided: Figures 1-4
[0024] The rectangular plate 4 is internally provided with a T-shaped groove 5, a T-shaped plate 6 is slidingly connected to the inner surface of the T-shaped groove 5, a spring 7 is fixedly connected between the inner side wall of the T-shaped groove 5 and the side surface of the T-shaped plate 6, a striking rod 8 is fixedly connected to the inner side wall of the end of the T-shaped groove 5 away from the spring 7, and a half gear 11 is in engagement with a rack 12. The purpose of the design is that the motor 10 drives the half gear 11 to rotate, and drives the first sieve plate 13 and the second sieve plate 15 to move horizontally and reciprocatingly and vibrate through the engagement with the rack 12 and the cooperation of the spring 7.
[0025] Further, as shown in Figure 1 and Figure 2 , the following preferred technical solutions are provided:
[0026] The support frame 1 is provided with a discharging hole 2 at the upper end, the discharging hole 2 is opposite to the upper end of the inclined surface of the first sieve plate 13 at the lower end, and the upper end of the discharging hole 2 is fixedly communicated with the bottom end of the hopper 3. The purpose of the design is to ensure that the coal mine can be continuously discharged into the first sieve plate 13 through the hopper 3.
[0027] Further, as shown in Figure 1 and Figure 2 , the following preferred technical solutions are provided:
[0028] The inclined surface of the first sieve plate 13 and the second sieve plate 15 and the second sieve plate 15 are provided with a collecting box 17 below, and the collecting box 17 is placed on the inner bottom surface of the support frame 1. The purpose of the design is to collect the sieved coal mine through the collecting box 17.
[0029] Further, as shown in Figure 1 and Figure 2 , the following preferred technical solutions are provided:
[0030] The support frame 1 is provided with a universal wheel 18 at the bottom end of each corner, and a handle 19 is fixedly arranged at the outer side of the upper end of the support frame 1. The purpose of the design is to facilitate the movement and position fixing of the device.
[0031] Further, as shown in Figure 1 , the following preferred technical solutions are provided:
[0032] The inner diameter of the first hole 14 is larger than that of the second hole 16. The purpose of the design is to realize multi-layer coal mine screening.
[0033] In summary: coal mine is put into the hopper 3 after being crushed, then falls into the first sieve plate 13 below and slides downward along the slope, smaller coal mine falls into the second sieve plate 15 below through the first hole 14 and slides downward along the slope, and similarly smaller coal mine falls into the lower part for collection through the second hole 16, some larger coal mine slides downward along the slope of the first sieve plate 13 and the second sieve plate 15 and is collected, in the process, the motor 10 starts to drive the half gear 11 to rotate, when the half gear 11 meshes with the rack 12, the support plate 9 is driven to move to one side, and the first sieve plate 13 and the second sieve plate 15 are synchronously moved, at this time the T-shaped plate 6 compresses the spring 7, then the half gear 11 continues to rotate and does not mesh with the rack 12, the T-shaped plate 6 is reset and hits the impact rod 8 under the push of the spring 7 recovering deformation, and the first sieve plate 13 and the second sieve plate 15 are synchronously reset and vibrated, so that the first sieve plate 13 and the second sieve plate 15 continuously reciprocate horizontally and vibrate when the half gear 11 continuously rotates, and the coal mine is uniformly screened and collected to avoid blockage. The purpose of such design is to continuously reciprocate horizontally and vibrate the first sieve plate 13 and the second sieve plate 15 arranged obliquely, so as to uniformly screen and collect the coal mine and avoid blockage.
[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A multi-layer coal screening device for coal mining, characterized in that: The support includes a support frame (1), the upper end of which is provided with a funnel (3), a rectangular plate (4) is fixedly provided on the inner side wall of the support frame (1), a T-shaped plate (6) is provided inside the rectangular plate (4), a spring (7) and a striker (8) are respectively provided on both sides of the T-shaped plate (6), a support plate (9) is fixedly provided on the outer end of the T-shaped plate (6), a rack (12) is fixedly provided on the upper side of the support plate (9), a motor (10) is fixedly provided in the middle of the upper end of the rectangular plate (4), a half gear (11) is fixedly provided at the output end of the motor (10), a first sieve plate (13) and a second sieve plate (15) are fixedly provided vertically on the side of the support plate (9), a number of evenly distributed first holes (14) are opened on the inner bottom surface of the first sieve plate (13), and a number of evenly distributed second holes (16) are opened on the inner bottom surface of the second sieve plate (15).
2. The multi-layer coal screening device for coal mining according to claim 1, characterized in that: The rectangular plate (4) has a T-shaped groove (5) inside. The T-shaped plate (6) is slidably connected to the inner surface of the T-shaped groove (5). The spring (7) is fastened between the inner wall of the T-shaped groove (5) and the side of the T-shaped plate (6). The impact rod (8) is fixedly connected to the inner wall of the T-shaped groove (5) away from the spring (7). The half gear (11) is connected to the rack (12).
3. A multi-layer coal screening device for coal mining according to claim 1, characterized in that: The support frame (1) has a feeding hole (2) at its upper end. The lower end of the feeding hole (2) is directly opposite the upper end of the inclined surface of the first screen plate (13). The upper end of the feeding hole (2) is fixedly connected to the bottom end of the funnel (3).
4. A multi-layer coal screening device for coal mining according to claim 1, characterized in that: Collection boxes (17) are provided at the lower end of the inclined surfaces of the first sieve plate (13) and the second sieve plate (15), and directly below the second sieve plate (15). The collection boxes (17) are placed on the inner bottom surface of the support frame (1).
5. A multi-layer coal screening device for coal mining according to claim 1, characterized in that: The support frame (1) is fixedly equipped with casters (18) at the four corners of the bottom end, and a handle (19) is fixedly provided on the upper outer side of the support frame (1).
6. A multi-layer coal screening device for coal mining according to claim 1, characterized in that: The inner diameter of the first hole (14) is larger than the inner diameter of the second hole (16).