Roller classifying screen device for producing railway ballast stones for railway by using waste rubbles

Abstract

The utility model relates to the technical field of grading equipment, in particular to a roller grading screen device for producing railway ballast stones for railways from waste rubbles. The drum classifying screen device comprises a drum screen (1), a vertical frame (2), a first transverse frame (2-1), a drum screen supporting wheel set (3) and a transmission device (4). The drum screen riding wheel set (3) is fixedly arranged on the first transverse frame (2-1), the drum screen (1) is rotatably arranged on the drum screen riding wheel set (3), and one end of the drum screen (1) is connected with the transmission device (4). The vertical frames (2) and the first transverse frame (2-1) form a rotary screen support. The device has the advantages of being simple in mechanism and convenient to use and maintain. The grading efficiency is high. Flying dust is effectively reduced, and environmental protection is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of grading equipment, in particular to a drum grading screen device for producing railway ballast stones from waste rubble. Background Art

[0002] After the secondary beneficiation of the rough stones in non-ferrous metal mines, a large amount of waste rough stones will be generated, which has basically no use value. However, the amount of waste rough stones generated by the mines is huge. Whether it is piled up or transferred to landfill, it will take up a lot of space and incur high transportation costs. In addition, long-term large-scale accumulation or landfilling will pose a risk of environmental pollution.

[0003] Mine waste stone is a waste stone with uneven particle size after crushing. After testing its strength, its strength meets the strength standard of ballast stone. However, due to its uneven particle size, it cannot be used directly and needs to be screened by grade before use. Utility Model Content

[0004] The utility model aims to overcome the above technical problems and provide a drum grading screen device for producing railway ballast from waste rubble which has simple structure, low manufacturing cost, good use effect and meets the requirements for screening ballast.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows.

[0006] A drum grading screen device for producing railway ballast from waste rubble, the drum grading screen device comprising a drum screen 1, a vertical frame 2, a horizontal frame 2-1, a drum screen supporting wheel group 3 and a transmission device 4;

[0007] The drum screen supporting wheel group 3 is fixedly arranged on the horizontal frame 2-1, the drum screen 1 is rotatably arranged on the drum screen supporting wheel group 3, and one end of the drum screen 1 is connected to the transmission device 4;

[0008] A plurality of vertical frames 2 and a horizontal frame 2-1 constitute a drum screen support.

[0009] Furthermore, the drum screen 1 is formed by welding a steel frame 10 and a screen mesh;

[0010] The drum grading screen device comprises a plurality of drum screens 1 with different mesh sizes connected together;

[0011] A feed inlet 14 is provided on the side of the drum screen 1 at the front end.

[0012] Furthermore, the transmission device 4 includes a faceplate 5, a universal joint 6 and a motor;

[0013] The output end of the motor is connected to the faceplate 5 , the other end of the faceplate 5 is connected to the universal joint 6 through a transmission shaft, and the other end of the universal joint 6 is connected to the central axis of the drum screen 1 .

[0014] Furthermore, the stand 2 comprises a plurality of vertical frames and a plurality of horizontal frames; the vertical frames and the horizontal frames are detachably connected;

[0015] One end of the transmission device 4 near the top horizontal frame is rotatably connected to the vertical frame.

[0016] Furthermore, a collecting hopper 11 is arranged below the drum screen 1 .

[0017] Furthermore, the cross frame 2 - 1 is tilted; the cross frame 2 - 1 is tilted toward the transmission device 4 side.

[0018] Furthermore, guard plates 12 are provided on the horizontal frames 2 - 1 on both sides of the drum screen 1 .

[0019] Furthermore, a water pipe 8 is provided below the drum screen 1, and a plurality of nozzles 9 are provided on the water pipe 8;

[0020] One end of the water pipe 8 is connected to the water pump 7 .

[0021] Furthermore, a plurality of horizontal frames 2-2 are arranged between the vertical frames 2.

[0022] Furthermore, a drum screen bracket 13 is provided at the connection of the drum screen 1 , and the drum screen bracket 13 cooperates with the supporting wheels of the drum screen supporting wheel group 3 .

[0023] The utility model provides a drum grading screen device for producing railway ballast from waste rubble. After a number of drum screens with different mesh sizes are combined, they are arranged on a drum screen supporting wheel group on a horizontal frame. The drum screen supporting wheel groups arranged opposite to each other on both sides support the combined drum screen. The central axis of the drum screen at the end is connected to a transmission device. The drum screen can rotate on the drum screen supporting wheel group, and the transmission device provides rotational power. A collecting hopper is arranged under each level of the drum screen to facilitate the collection of waste rubble of different particle sizes. Each level of the drum screen is arranged in order to increase the particle size in the direction of the feed inlet.

[0024] The utility model provides a drum grading screen device for producing railway ballast from waste rubble. To avoid dust, guard plates are arranged on the brackets on both sides of the drum screen, and the height of the guard plates is at least level with the central axis of the drum screen. The guard plates do not completely wrap the drum screen, so as to facilitate the inspection and maintenance of the drum screen mesh. To further reduce dust, a water pipe with a nozzle is arranged under the drum screen. When the device is running, the nozzle on the water pipe sprays atomized water mist, which can effectively reduce dust.

[0025] The utility model provides a drum grading screen device for producing railway ballast stones from waste rubble. The transmission device consists of a driving motor, a faceplate and a universal joint. The purpose is that after power is turned on, the tail part drives the drum screen to rotate through the transmission device in the form of a universal joint and a faceplate. The transmission structure of the tail universal joint and the faceplate can adapt to changeable working conditions, ensure the smooth rotation of the drum screen, reduce the difficulty of maintenance, and improve the screening efficiency.

[0026] The specific working process of the drum grading screen device for producing railway ballast from waste rubble is as follows:

[0027] Start the motor, the motor drives the disk to rotate and the universal joint to rotate, the universal joint drives the entire drum screen to rotate on the drum screen supporting wheel group, the waste stone enters from the front end (first stage) drum screen feed port, the waste stone particles smaller than the first stage drum screen mesh particle size pass through the mesh and fall into the collection hopper below the first stage mesh; the waste stone particles larger than the first stage drum screen mesh particle size enter the second stage drum screen, and after passing through the third and fourth stages in turn, the waste stone screening is completed. When the motor is started, the water pump is started, and the nozzle starts to spray water mist to reduce dust.

[0028] Compared with the prior art, the drum grading screen device for producing railway ballast from waste rubble provided by the utility model has the following advantages:

[0029] (1) Simple structure, easy to use and maintain.

[0030] (2) High classification efficiency.

[0031] (3) Effectively reduce dust and protect the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The utility model provides a structural schematic diagram of a drum grading screen device for producing railway ballast from waste rubble.

[0033] Figure 2 The utility model provides a cross-sectional view of a drum grading screen device for producing railway ballast stones from waste rubble.

[0034] In the figure, 1 is a drum screen, 2 is a vertical frame, 2-1 is a horizontal frame one, 2-2 is a horizontal frame two, 3 is a drum screen supporting wheel group, 4 is a transmission device, 5 is a faceplate, 6 is a universal joint, 7 is a water pump, 8 is a water pipe, 9 is a nozzle, 10 is a steel frame, 11 is a collecting hopper, 12 is a guard plate, 13 is a drum screen bracket, and 14 is a feed inlet. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is further described in detail in the following embodiments. The following embodiments are only used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0036] Example 1

[0037] Combination Figures 1-2 As shown, a drum grading screen device for producing railway ballast from waste rubble, the drum grading screen device comprises a drum screen 1, a vertical frame 2, a horizontal frame 2-1, a drum screen supporting wheel group 3 and a transmission device 4; the drum screen supporting wheel group 3 is fixedly arranged on the horizontal frame 2-1, the drum screen 1 is rotatably arranged on the drum screen supporting wheel group 3, and one end of the drum screen 1 is connected to the transmission device 4; a plurality of vertical frames 2 and horizontal frames 2-1 constitute a drum screen bracket.

[0038] The drum screen 1 is formed by welding a steel frame 10 and a screen mesh; the drum grading screen device comprises a plurality of drum screens 1 with different mesh sizes connected to each other; a feed port 14 is arranged on the side of the frontmost drum screen 1.

[0039] The transmission device 4 includes a faceplate 5, a universal joint 6 and a motor; the output end of the motor is connected to the faceplate 5, the other end of the faceplate 5 is connected to the universal joint 6 through a transmission shaft, and the other end of the universal joint 6 is connected to the central axis of the drum screen 1. The vertical frame 2 includes a plurality of vertical frames and a plurality of horizontal frames; the vertical frames are detachably connected to the horizontal frames; one end of the transmission device 4 near the top horizontal frame is rotatably connected to the vertical frame. A collecting hopper 11 is arranged below the drum screen 1. The horizontal frame 2-1 is inclined; the horizontal frame 2-1 is inclined toward one side of the transmission device 4. Several horizontal frames 2-2 are arranged between the vertical frames 2. A drum screen bracket 13 is arranged at the connection of the drum screen 1, and the drum screen bracket 13 cooperates with the supporting wheels of the drum screen supporting wheel group 3.

[0040] Example 2

[0041] Combination Figures 1-2 As shown, a drum grading screen device for producing railway ballast from waste rubble, the drum grading screen device comprises a drum screen 1, a vertical frame 2, a horizontal frame 2-1, a drum screen supporting wheel group 3 and a transmission device 4; the drum screen supporting wheel group 3 is fixedly arranged on the horizontal frame 2-1, the drum screen 1 is rotatably arranged on the drum screen supporting wheel group 3, and one end of the drum screen 1 is connected to the transmission device 4; a plurality of vertical frames 2 and horizontal frames 2-1 constitute a drum screen bracket. The drum screen 1 is welded by a steel frame 10 and a screen; the drum grading screen device comprises a plurality of drum screens 1 of different mesh sizes connected to each other; a feed port 14 is arranged on the side of the frontmost drum screen 1.

[0042] The transmission device 4 includes a faceplate 5, a universal joint 6 and a motor; the output end of the motor is connected to the faceplate 5, the other end of the faceplate 5 is connected to the universal joint 6 through a transmission shaft, and the other end of the universal joint 6 is connected to the central axis of the drum screen 1. The drum screen bracket 2 includes a plurality of vertical frames and a plurality of horizontal frames; the vertical frames are detachably connected to the horizontal frames; one end of the transmission device 4 near the top horizontal frame is rotatably connected to the vertical frame. A collecting hopper 11 is arranged below the drum screen 1. The horizontal frame 2-1 is arranged obliquely; the horizontal frame 2-1 is inclined toward one side of the transmission device 4.

[0043] The horizontal frames 2-1 on both sides of the drum screen 1 are provided with guard plates 12. A water pipe 8 is provided below the drum screen 1, and a plurality of nozzles 9 are provided on the water pipe 8; one end of the water pipe 8 is connected to a water pump 7. A plurality of horizontal frames 2-2 are provided between the vertical frames 2. A drum screen bracket 13 is provided at the connection of the drum screen 1, and the drum screen bracket 13 cooperates with the supporting wheels of the drum screen supporting wheel group 3.

[0044] The preferred embodiments of the present invention are described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various changes can be made to the technical solution of the present invention. These simple modifications all belong to the protection scope of the present invention.

[0045] It should also be noted that the various specific technical features and steps described in the above specific implementation methods can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0046] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A drum grading screen device for producing railway ballast from waste rubble, characterized in that: The drum grading screen device comprises a drum screen (1), a vertical frame (2), a horizontal frame (2-1), a drum screen supporting wheel group (3) and a transmission device (4); The drum screen supporting wheel group (3) is fixedly arranged on the horizontal frame (2-1), the drum screen (1) is rotatably arranged on the drum screen supporting wheel group (3), and one end of the drum screen (1) is connected to the transmission device (4); A plurality of vertical frames (2) and a horizontal frame (2-1) form a drum screen support; The drum screen (1) is formed by welding a steel frame (10) and a screen mesh; The drum grading screen device comprises a plurality of drum screens (1) with different mesh sizes connected together; A feed inlet (14) is arranged on the side of the drum screen (1) at the front end.

2. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: The transmission device (4) comprises a faceplate (5), a universal joint (6) and a motor; The output end of the motor is connected to the faceplate (5), the other end of the faceplate (5) is connected to the universal joint (6) through a transmission shaft, and the other end of the universal joint (6) is connected to the central axis of the drum screen (1).

3. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: The vertical frame (2) comprises a plurality of vertical frames and a plurality of horizontal frames; the vertical frames and the horizontal frames are detachably connected; One end of the transmission device (4) near the top horizontal frame is rotatably connected to the vertical frame.

4. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: A collecting hopper (11) is arranged below the drum screen (1).

5. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: The cross frame 1 (2-1) is arranged tilted; the cross frame 1 (2-1) is tilted toward one side of the transmission device (4).

6. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: Guard plates (12) are provided on the horizontal frames (2-1) on both sides of the drum screen (1).

7. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: A water pipe (8) is arranged below the drum screen (1), and a plurality of nozzles (9) are arranged on the water pipe (8); One end of the water pipe (8) is connected to the water pump (7).

8. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: A plurality of horizontal frames (2-2) are arranged between the vertical frames (2).

9. The drum grading screen device for producing railway ballast from waste rubble according to claim 1, characterized in that: A drum screen bracket (13) is provided at the connection of the drum screen (1), and the drum screen bracket (13) cooperates with the supporting wheel of the drum screen supporting wheel group (3).

Images