Efficient vibrating screen for open pit coal mine exploitation

Abstract

The utility model provides an efficient vibrating screen for open pit coal mining, which relates to the technical field of vibrating screens and comprises a screening mechanism, a collecting mechanism is arranged at one end of the screening mechanism, the screening mechanism comprises screening equipment, a top plate is arranged on the inner wall of the screening equipment, and the inner wall of the screening equipment is contacted with the top side of the top plate. A stand column is arranged on the top side of the top plate, and the top side of the top plate is fixedly connected with the bottom end of the stand column. The toothed plate and the gear are in meshing transmission, the steel wire rope is in a triangular state before being wound, the steel wire rope is parallel after being wound, due to the change of the steel wire rope, the stand column can be influenced to vertically move downwards at the original position, the top plate is designed on the stand column, and the needle heads corresponding to the sieve plates are arranged on the top plate. And along with gradual downward movement, the needle head can enter the hole of the sieve plate, so that the coal slag is removed, continuous operation of equipment is ensured, and production interruption caused by blockage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a high-efficiency vibrating screen used in open-pit coal mines. Background Art

[0002] A coal mine is a place where coal resources are extracted, usually located underground or on the surface. Coal mines are an important part of the coal industry, and through coal mining, coal resources can be obtained for energy production and other industrial purposes.

[0003] In the existing technology, common vibrating screen equipment usually uses manual cleaning when dealing with coal cinder blockage. This method not only increases labor and time costs and affects the overall mining efficiency, but also operators may face various safety risks when cleaning, such as unstable equipment operation, sudden loosening or collapse of coal cinders, etc. This may lead to injury accidents and increase the challenges of safety management. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and provide a high-efficiency vibrating screen used in open-pit coal mines.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency vibrating screen used in open-pit coal mines, comprising: a screening mechanism, a collecting mechanism is arranged at one end of the screening mechanism, the screening mechanism comprises a screening device, the inner wall of the screening device is provided with a top plate, the inner wall of the screening device is in contact with the top side of the top plate, a column is arranged on the top side of the top plate, the top side of the top plate is fixedly connected to the bottom end of the column, a steel wire rope is arranged at the top of the column, the top of the column is in contact with the outer side of the steel wire rope, a fixed hook is arranged at one end of the steel wire rope, one end of the steel wire rope is fixedly connected to one side of the fixed hook, and the bottom side of the fixed hook is fixedly connected to the top side of the screening device.

[0006] As a preferred embodiment, the collecting mechanism includes a collecting box, a positioning rod is provided on one side of the collecting box, one side of the collecting box is fixedly connected to one end of the positioning rod, the outer side of the other end of the positioning rod is clamped with the inner wall of one end of the screening device, and one end of the screening device is in contact with one side of the collecting box.

[0007] As a preferred embodiment, a movable roller is provided at one end of the wire rope, one end of the wire rope is fixedly wrapped around one side of the movable roller, one end of the movable roller is provided with a gear, and one end of the gear at one end of the movable roller is fixedly connected.

[0008] As a preferred embodiment, a tooth plate is provided on the outer side of the gear, the outer side of the gear is slidably engaged with the top side of the tooth plate, a rectangular frame is provided on one side of the tooth plate, and one side of the tooth plate is slidably connected to the inner wall of the rectangular frame.

[0009] As a preferred embodiment, a telescopic rod is provided on the inner wall of one end of the rectangular frame, the inner wall of one end of the rectangular frame is penetrated and fixedly connected with one end of the telescopic rod, and the other end of the telescopic rod is fixedly connected with one end of the top side of the tooth plate.

[0010] As a preferred embodiment, a spring is provided on the inner wall of the column, the inner wall of the column is fixedly connected to the top end of the spring, and the bottom end of the spring is fixedly connected to the inner wall of the screening device.

[0011] As a preferred embodiment, the inner wall of the screening device is vertically slidably connected to one end of a column, a screen plate is provided on the inner wall of the screening device, and the inner wall of the screening device is fixedly connected to one side of the screen plate.

[0012] As a preferred embodiment, a telescopic rod 2 is provided at one end of the side of the screening device, and the one end of the side of the screening device is fixedly connected to one end of the telescopic rod 2, and a push plate is provided at the other end of the telescopic rod 2, and the other end of the telescopic rod 2 is fixedly connected to one side of the push plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. Extend the telescopic rod to make the tooth plate mesh with the gear, and then the movable roller will wind the wire rope. The wire rope is in a triangular state before winding, and it will be in a parallel form after winding. In this process, due to the change of the wire rope, the column will be affected and move vertically downward from the original position. The column is designed with a top plate, and there are multiple needles corresponding to the screen plate on the top plate. In this way, as it gradually moves downward, the needles will enter the holes of the screen plate, thereby removing the coal slag, ensuring the continuous operation of the equipment and avoiding production interruptions caused by blockage;

[0015] 2. When the coal slag is pushed to the port of the screening equipment, a collection box is designed at its port to collect the coal slag pushed to the port. This design can make the cleaning process more convenient and efficient. After the coal slag is concentrated in the collection box, it can be easily transferred to the waste treatment facility for further processing. When the coal slag needs to be processed, the positioning rod on the collection box is separated from the inner wall of the screening equipment to complete the separation of the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1The utility model provides a structural schematic diagram of a high-efficiency vibrating screen used in open-pit coal mine development.

[0017] Figure 2 The utility model provides a schematic diagram of the side section structure of a screening mechanism assembly of a high-efficiency vibrating screen used in open-pit coal mine development.

[0018] Figure 3 The utility model provides an enlarged structural schematic diagram of a screening mechanism component of a high-efficiency vibrating screen used in open-pit coal mine development.

[0019] Figure 4 The utility model provides a schematic diagram of the structure of some components of the collection mechanism of a high-efficiency vibrating screen used in open-pit coal mine development.

[0020] Legend:

[0021] 1. Screening mechanism; 11. Screening equipment; 12. Screen plate; 13. Top plate; 14. Column; 15. Wire rope; 16. Fixed hook; 17. Movable roller; 18. Gear; 19. Tooth plate; 110. Rectangular frame; 111. Telescopic rod 1; 112. Telescopic rod 2; 113. Push plate; 114. Spring;

[0022] 2. Collection mechanism; 21. Collection box; 22. Positioning rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0024] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a high-efficiency vibrating screen used in open-pit coal mines, comprising: a screening mechanism 1, a collecting mechanism 2 is arranged at one end of the screening mechanism 1, the screening mechanism 1 comprises a screening device 11, a top plate 13 is arranged on the inner wall of the screening device 11, the inner wall of the screening device 11 is in contact with the top side of the top plate 13, a column 14 is arranged on the top side of the top plate 13, the top side of the top plate 13 is fixedly connected to the bottom end of the column 14, a steel wire rope 15 is arranged on the top of the column 14, and the top of the column 14 is in contact with the steel wire rope 15. The outer side of the rope 15 is in contact with the outer side of the rope 15, a fixed hook 16 is provided at one end of the wire rope 15, one end of the wire rope 15 is fixedly connected to one side of the fixed hook 16, the bottom side of the fixed hook 16 is fixedly connected to the top side of the screening device 11, a movable roller 17 is provided at one end of the wire rope 15, one end of the wire rope 15 is fixedly wrapped around one side of the movable roller 17, one end of the movable roller 17 is provided with a gear 18, one end of the movable roller 17 is fixedly connected to one end of the gear 18, a toothed plate 19 is provided on the outer side of the gear 18, and the outer side of the gear 18 is connected to the toothed plate The top side of the tooth plate 19 is slidably engaged, a rectangular frame 110 is provided on one side of the tooth plate 19, one side of the tooth plate 19 is slidably connected to the inner wall of the rectangular frame 110, a telescopic rod 111 is provided on the inner wall of one end of the rectangular frame 110, the inner wall of one end of the rectangular frame 110 is penetrated and fixedly connected with one end of the telescopic rod 111, and the other end of the telescopic rod is fixedly connected to one end of the top side of the tooth plate 19, a spring 114 is provided on the inner wall of the column 14, the inner wall of the column 14 is fixedly connected to the top of the spring 114, and the bottom end of the spring 114 is connected to the screening The inner wall of the device 11 is fixedly connected, the inner wall of the screening device 11 is vertically slidably connected to one end of the column 14, the inner wall of the screening device 11 is provided with a sieve plate 12, the inner wall of the screening device 11 is fixedly connected to one side of the sieve plate 12, a telescopic rod 112 is provided at one end of the side of the screening device 11, one end of the side of the screening device 11 is fixedly connected to one end of the telescopic rod 112, a push plate 113 is provided at the other end of the telescopic rod 112, and the other end of the telescopic rod 112 is fixedly connected to one side of the push plate 113.

[0025] In this embodiment, when the high-efficiency vibrating screen used in this type of open-pit coal mine is in use, the screen plate 12 may be blocked due to excessive coal slag. Therefore, the telescopic rod 111 can be extended in length to make the tooth plate 19 and the gear 18 mesh and transmit, and then the movable roller 17 will wind the wire rope 15. The wire rope 15 is in a triangular state before winding, and it will be in a parallel form after winding. In this process, due to the change of the wire rope 15, the column 14 will be affected and move vertically downward at the original position, and the column 14 is designed with The top plate 13 has a plurality of needles corresponding to the sieve plate 12. In this way, as the needles gradually move downward, they will enter the holes of the sieve plate 12, thereby removing the coal slag, ensuring that the equipment can continue to operate and avoiding production interruptions caused by blockage. In addition, by retracting the telescopic rod 111, the tooth plate 19 is forced to disconnect from the gear 18. At this time, the spring 114 will release and reset the column 14, and the wire rope 15 will loosen on the movable roller 17, presenting a triangular shape again, and the needles on the top plate 13 will be separated from the sieve plate 12;

[0026] Secondly, when the needle enters the screen plate 12, the coal slag in the hole will fall into the screening device 11. Therefore, by extending the length of the telescopic rod 112, the push plate 113 is moved at the original position, and in the process of movement, the coal slag is pushed until it is pushed to the port of the screening device 11, thereby keeping the screening device 11 unobstructed, simplifying the operation process, reducing the need for manual intervention, and improving the convenience and safety of operation. Example

[0027] like Figure 1-Figure 4 As shown, the collecting mechanism 2 includes a collecting box 21, and a positioning rod 22 is provided on one side of the collecting box 21. One side of the collecting box 21 is fixedly connected to one end of the positioning rod 22, and the outer side of the other end of the positioning rod 22 is clamped with the inner wall of one end of the screening device 11, and one end of the screening device 11 is in contact with one side of the collecting box 21.

[0028] In this embodiment, when the coal slag is pushed to the port of the screening device 11, a collection box 21 is designed at its port to collect the coal slag pushed to the port. This design can make the cleaning process more convenient and efficient. After the coal slag is collected in the collection box 21, it can be easily transferred to the waste treatment facility for further treatment. When the coal slag needs to be treated, the positioning rod 22 on the collection box 21 is separated from the inner wall of the screening device 11 to complete the separation of the two. In addition, the collection box 21 can be reinstalled on the screening device 11 as needed to put it into use again. This flexibility can adjust the use of the equipment according to production needs.

[0029] Working principle:

[0030] like Figure 1-Figure 4 As shown, the telescopic rod 111 is extended in length, so that the tooth plate 19 and the gear 18 are meshed and transmitted, and then the movable roller 17 will wind the wire rope 15, and the wire rope 15 is in a triangular state before winding, and it will be in a parallel form after winding. In this process, due to the change of the wire rope 15, the column 14 will be affected and move vertically downward at the original position, and the column 14 is designed with a top plate 13, and the top plate 13 is provided with a plurality of needles corresponding to the screen plate 12, so that as it gradually moves downward, the needle will enter the hole of the screen plate 12, thereby removing the coal slag, ensuring that the equipment can continue to operate and avoiding production interruption caused by blockage. Secondly, when the needle enters the screen plate 12, the coal slag in the hole will fall into the screening device 11. Therefore, by extending the length of the telescopic rod 2 112, the push plate 113 is moved at the original position, and in the process of moving, the coal slag is pushed until it is pushed to the port of the screening device 11;

[0031] When the coal slag is pushed to the port of the screening device 11, a collecting box 21 is designed at its port to collect the coal slag pushed to the port. This design can make the cleaning process more convenient and efficient. After the coal slag is concentrated in the collecting box 21, it can be easily transferred to a waste treatment facility for further processing. When the coal slag needs to be processed, the positioning rod 22 on the collecting box 21 is separated from the inner wall of the screening device 11 to complete the separation of the two.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A high-efficiency vibrating screen for open-pit coal mining, characterized in that: include: A screening mechanism (1), wherein a collecting mechanism (2) is provided at one end of the screening mechanism (1), and the screening mechanism (1) comprises a screening device (11), wherein a top plate (13) is provided on the inner wall of the screening device (11), wherein the inner wall of the screening device (11) contacts the top side of the top plate (13), wherein a column (14) is provided on the top side of the top plate (13), wherein the top side of the top plate (13) is fixedly connected to the bottom end of the column (14), wherein a steel wire rope (15) is provided at the top end of the column (14), wherein the top end of the column (14) contacts the outer side of the steel wire rope (15), wherein a fixing hook (16) is provided at one end of the steel wire rope (15), wherein one end of the steel wire rope (15) is fixedly connected to one side of the fixing hook (16), and wherein the bottom side of the fixing hook (16) is fixedly connected to the top side of the screening device (11).

2. The high-efficiency vibrating screen for open-pit coal mining according to claim 1, characterized in that: The collecting mechanism (2) comprises a collecting box (21), a positioning rod (22) being provided on one side of the collecting box (21), one side of the collecting box (21) being fixedly connected to one end of the positioning rod (22), the outer side of the other end of the positioning rod (22) being clamped to the inner wall of one end of the screening device (11), and one end of the screening device (11) being in contact with one side of the collecting box (21).

3. The high-efficiency vibrating screen for open-pit coal mining according to claim 2, characterized in that: A movable roller (17) is provided at one end of the steel wire rope (15), one end of the steel wire rope (15) is fixedly looped around one side of the movable roller (17), one end of the movable roller (17) is provided with a gear (18), and one end of the movable roller (17) is fixedly connected to one end of the gear (18).

4. The high-efficiency vibrating screen for open-pit coal mining according to claim 3, characterized in that: A toothed plate (19) is provided on the outer side of the gear (18), the outer side of the gear (18) is slidably meshed with the top side of the toothed plate (19), a rectangular frame (110) is provided on one side of the toothed plate (19), and one side of the toothed plate (19) is slidably connected to the inner wall of the rectangular frame (110).

5. The high-efficiency vibrating screen for open-pit coal mining according to claim 4, characterized in that: A telescopic rod (111) is provided on the inner wall at one end of the rectangular frame (110); the inner wall at one end of the rectangular frame (110) and one end of the telescopic rod (111) are penetrated and fixedly connected; the other end of the telescopic rod is fixedly connected to one end of the top side of the toothed plate (19).

6. The high-efficiency vibrating screen for open-pit coal mining according to claim 1, characterized in that: The inner wall of the column (14) is provided with a spring (114), the inner wall of the column (14) is fixedly connected to the top end of the spring (114), and the bottom end of the spring (114) is fixedly connected to the inner wall of the screening device (11).

7. The high-efficiency vibrating screen for open-pit coal mining according to claim 1, characterized in that: The inner wall of the screening device (11) is vertically slidably connected to one end of the column (14), the inner wall of the screening device (11) is provided with a screen plate (12), and the inner wall of the screening device (11) is fixedly connected to one side of the screen plate (12).

8. The high-efficiency vibrating screen for open-pit coal mining according to claim 1, characterized in that: A second telescopic rod (112) is provided at one end of a side surface of the screening device (11), and the first end of the side surface of the screening device (11) is fixedly connected to one end of the second telescopic rod (112). A push plate (113) is provided at the other end of the second telescopic rod (112), and the other end of the second telescopic rod (112) is fixedly connected to one side of the push plate (113).

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