Belt conveyor for coal mine

Abstract

The utility model relates to the field of coal mining equipment, in particular to a belt conveyor for a coal mine. The belt conveyor for the coal mine comprises a conveyor body, a cleaning roller, a transmission mechanism and a reciprocating mechanism, a driving source is installed on one side of the conveyor body, the conveyor body is driven by the driving source to operate so as to convey the coal mine, and the cleaning roller capable of rotating and reciprocating is arranged at the bottom of the conveying end of the conveyor body. The axis of the cleaning roller is fixedly connected with an extension rod, the extension rod and the conveyor body are installed in a matched mode, one side of the conveyor body is provided with a transmission mechanism, the transmission mechanism and one end of the extension rod are installed in a matched mode, the other side of the conveyor body is provided with a reciprocating mechanism, and the reciprocating mechanism and the other end of the extension rod are installed in a matched mode. Through driving of the transmission mechanism and the reciprocating mechanism, the cleaning roller can rotate in a reciprocating mode at the bottom of the output end of the belt conveyor, coal ash mixtures on the surface of a belt are effectively removed, and cleaning efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of coal mining equipment, in particular to a belt conveyor for coal mines. Background Art

[0002] In the coal mining industry, belt conveyors are important equipment that are indispensable in the process of coal mining and transportation; however, due to the particularity of the coal mining environment, belt conveyors often face a serious problem during operation: the adhesion of coal mine dust;

[0003] During the operation of the belt conveyor, the transportation and friction of coal will generate a lot of dust; especially at the input end of the belt conveyor, due to the initial loading and transportation of coal, dust is more likely to be raised; in order to solve this problem, a water spraying device is usually installed at the input end of the belt conveyor to reduce the flying of dust by spraying water mist;

[0004] However, although this watering measure reduces the flying of dust to a certain extent, it also brings new problems; after the water and dust are mixed, it is easy to form a sticky fly ash mixture, which will adhere to the surface of the belt conveyor;

[0005] In order to solve this problem, there is a need for a device that can effectively clean the surface of the belt conveyor in a coal mine environment; this device needs to be able to automatically and efficiently remove the coal ash mixture on the belt surface to ensure the normal operation of the belt conveyor;

[0006] Therefore, the object of the present invention is to provide a belt conveyor for coal mines, which realizes automatic cleaning of the belt surface by introducing advanced transmission mechanism and reciprocating mechanism combined with the design of cleaning roller; at the same time, the equipment also combines the design of water spraying device and cleaning brush, and softens and assists the cleaning roller to remove the coal ash mixture on the belt surface by spraying water mist, thereby improving the cleaning effect and ensuring the safety and stability of coal mine production. Utility Model Content

[0007] In order to solve the above technical problems, the utility model provides a belt conveyor for coal mines.

[0008] The utility model provides a belt conveyor for coal mines, comprising: a conveyor body, a cleaning roller, a transmission mechanism and a reciprocating mechanism. A driving source is installed on one side of the conveyor body, and the conveyor body is driven by the driving source to run, so as to transport coal. A rotatable and reciprocating cleaning roller is provided at the bottom of the conveying end of the conveyor body, and an extension rod is fixedly connected to the axis of the cleaning roller, and the extension rod is installed in cooperation with the conveyor body. A transmission mechanism is provided on one side of the conveyor body, and the transmission mechanism is installed in cooperation with one end of the extension rod. A reciprocating mechanism is provided on the other side of the conveyor body, and the reciprocating mechanism is installed in cooperation with the other end of the extension rod.

[0009] Preferably, the transmission mechanism includes: a limit bar, the outer wall of the extension rod is equidistantly fixedly connected to the limit bar, the outer wall of the extension rod is sleeved with a driven pulley, the axis of the driven pulley is provided with a limit groove, the limit bar is slidably connected to the limit groove, a connecting shaft is installed at the axis of the output end of the conveyor body, one end of the connecting shaft is fixedly connected to the driving pulley, a connecting piece is rotatably arranged on one side of the driving pulley and the driven pulley, and the driving pulley and the driven pulley are connected by a belt drive.

[0010] Preferably, the reciprocating mechanism includes: a first arc groove, a first arc groove is opened on one side of the other end of the connecting shaft, a second arc groove is opened on one side of the other end of the connecting shaft, and the first arc groove and the second arc groove are connected end to end, the other end of the extension rod is rotatably connected to a connecting ring, the outer side of the connecting ring is fixedly connected to a guide rod, a guide plate groove is opened on one side of the conveyor body, the guide rod is slidably connected to the guide plate groove, and one end of the guide rod is slidably connected to the inner wall of the first arc groove and the second arc groove.

[0011] Preferably, a cleaning brush is provided on the outside of the cleaning roller.

[0012] Preferably, a spray head is provided at the input end of the conveyor body.

[0013] Preferably, the diameter ratio of the driving pulley to the driven pulley is 2:1.

[0014] Preferably, the driving source is a motor, and a coupling is installed at the output end of the motor.

[0015] Compared with the related art, the belt conveyor for coal mines provided by the utility model has the following beneficial effects:

[0016] Improve cleaning efficiency: Driven by the transmission mechanism and the reciprocating mechanism, the cleaning roller can reciprocate at the bottom of the output end of the belt conveyor, effectively removing the coal ash mixture on the belt surface, greatly improving the cleaning efficiency.

[0017] Extend equipment life: The automatic cleaning function of the cleaning roller reduces the impact of fly ash mixture on the belt, extending the service life of the equipment and reducing fly ash accumulation on the conveyor surface.

[0018] Improve conveying efficiency: After cleaning, the friction on the belt surface is reduced, the coal is transported more smoothly, and the conveying efficiency of the belt conveyor is improved.

[0019] Ensure production safety: By timely removing the coal ash mixture on the belt surface, the flying of dust is reduced, the working environment is improved, and the safety hazards caused by dust accumulation are reduced.

[0020] Flexible and adaptable: The belt conveyor for coal mines of the present invention is flexible in design and can be adjusted and optimized according to actual production needs to adapt to the production needs of coal mines of different scales and environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a belt conveyor for coal mines provided by the utility model;

[0022] Figure 2 for Figure 1 One of the structural diagrams on the back side shown;

[0023] Figure 3 for Figure 1 The structural schematic diagram of the driven pulley shown;

[0024] Figure 4 for Figure 1 The second schematic diagram of the structure on the back side shown;

[0025] Figure 5 for Figure 4 The structural schematic diagram of the partial enlarged view shown.

[0026] Numbers in the figure: 1. Conveyor body; 2. Cleaning roller; 3. Extension rod; 4. Transmission mechanism; 5. Reciprocating mechanism; 6. Spray head; 7. Motor; 8. Coupling; 41. Limiting strip; 42. Driven pulley; 421. Limiting groove; 43. Connecting shaft; 44. Driving pulley; 45. Connecting plate; 51. First arc groove; 52. Second arc groove; 53. Connecting ring; 54. Guide rod; 55. Guide plate groove. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] See also Figure 1-5A belt conveyor for coal mines, the belt conveyor for coal mines comprises: a conveyor body 1, a cleaning roller 2, a transmission mechanism 4 and a reciprocating mechanism 5. A driving source is installed on one side of the conveyor body 1, and the conveyor body 1 is driven by the driving source to run, so as to transport coal. A rotatable and reciprocating cleaning roller 2 is provided at the bottom of the conveyor end of the conveyor body 1, and an extension rod 3 is fixedly connected to the axis of the cleaning roller 2, and the extension rod 3 is installed in cooperation with the conveyor body 1. A transmission mechanism 4 is provided on one side of the conveyor body 1, and the transmission mechanism 4 is installed in cooperation with one end of the extension rod 3. A reciprocating mechanism 5 is provided on the other side of the conveyor body 1, and the reciprocating mechanism 5 is installed in cooperation with the other end of the extension rod 3. A cleaning brush is provided on the outside of the cleaning roller 2, and a spray head 6 is provided at the input end of the conveyor body 1. The driving source is a motor 7, and a coupling 8 is installed at the output end of the motor 7.

[0030] See also Figure 1 and Figure 3 The transmission mechanism 4 includes: a limit bar 41, the outer wall of the extension rod 3 is equidistantly fixedly connected to the limit bar 41, the outer wall of the extension rod 3 is sleeved with a driven pulley 42, the axis of the driven pulley 42 is provided with a limit groove 421, the limit bar 41 is slidably connected to the limit groove 421, and a connecting shaft 43 is installed at the axis of the output end of the conveyor body 1, one end of the connecting shaft 43 is fixedly connected to a driving pulley 44, and a connecting piece 45 is rotatably arranged on one side of the driving pulley 44 and the driven pulley 42. In addition, the driving pulley 44 and the driven pulley 42 are connected through a belt drive, and the diameter ratio of the driving pulley 44 to the driven pulley 42 is 2:1.

[0031] See also Figure 4-5 The reciprocating mechanism 5 includes: a first arc groove 51, a first arc groove 51 is opened on one side of the other end of the connecting shaft 43, a second arc groove 52 is opened on one side of the other end of the connecting shaft 43, and the first arc groove 51 and the second arc groove 52 are connected end to end, the other end of the extension rod 3 is rotatably connected to a connecting ring 53, the outer side of the connecting ring 53 is fixedly connected to a guide rod 54, a guide plate groove 55 is opened on one side of the conveyor body 1, the guide rod 54 is slidably connected to the guide plate groove 55, and one end of the guide rod 54 is slidably connected to the inner wall of the first arc groove 51 and the second arc groove 52.

[0032] The working principle of the belt conveyor for coal mines provided by the utility model is as follows:

[0033] Driving and conveying: The driving source (such as the motor 7) is connected to the conveyor body 1 through the coupling 8 and drives the conveyor body 1 to run at the set speed and direction, thereby completing the coal conveying work;

[0034] Water spraying and softening: At the input end of the belt conveyor, the water spraying device sprays water mist. After the water mist mixes with the coal, it can soften the coal ash mixture on the belt surface and reduce its adhesion;

[0035] Transmission and reciprocation: The transmission mechanism 4 is composed of a driving pulley 44, a driven pulley 42, a connecting piece 45 and a belt; the driving pulley 44 is connected to the output end of the conveyor body 1 through a connecting shaft 43, and when the conveyor body 1 is running, the driving pulley 44 rotates accordingly; the driven pulley 42 is sleeved on the extension rod 3, and one end of the extension rod 3 is fixedly connected to the cleaning roller 2; the design of the limit bar 41 and the limit groove ensures the stable sliding of the driven pulley 42 on the extension rod 3; when the driving pulley 44 rotates, the driven pulley 42 also rotates through the belt transmission, driving the extension rod 3 and the cleaning roller 2 to reciprocate;

[0036] The cleaning roller 2 works: With the driving of the reciprocating mechanism 5, the cleaning roller 2 reciprocates at the bottom of the output end of the belt conveyor; since a cleaning brush is provided on the outside of the cleaning roller 2, the rotating cleaning roller 2 and the cleaning brush can effectively remove the fly ash mixture on the belt surface;

[0037] Reciprocating mechanism 5 is driven: the reciprocating mechanism 5 cooperates with the guide rod 54 and the connecting ring 53 through the first arc groove 51 and the second arc groove 52 at the other end of the connecting shaft 43; when the connecting shaft 43 rotates, the guide rod 54 slides in the first arc groove 51 and the second arc groove 52, driving the connecting ring 53, the extension rod 3 and the cleaning roller 2 to reciprocate.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A belt conveyor for coal mines, characterized in that: include: A conveyor body (1), wherein a driving source is installed on one side of the conveyor body (1), and the conveyor body (1) is driven by the driving source to run, thereby conveying coal; A cleaning roller (2), the bottom of the conveyor body (1) is provided with a rotatable and reciprocating cleaning roller (2), the axis of the cleaning roller (2) is fixedly connected with an extension rod (3), and the extension rod (3) is installed in cooperation with the conveyor body (1); A transmission mechanism (4), wherein a transmission mechanism (4) is provided on one side of the conveyor body (1), and the transmission mechanism (4) is mounted in cooperation with one end of the extension rod (3); A reciprocating mechanism (5) is provided on the other side of the conveyor body (1), and the reciprocating mechanism (5) is mounted in cooperation with the other end of the extension rod (3).

2. The belt conveyor for coal mine according to claim 1, characterized in that: The transmission mechanism (4) comprises: a limit bar (41), the outer wall of the extension rod (3) is equidistantly fixedly connected to the limit bar (41), the outer wall of the extension rod (3) is sleeved with a driven pulley (42), the axis of the driven pulley (42) is provided with a limit groove (421), the limit bar (41) and the limit groove (421) are slidably connected, a connecting shaft (43) is installed at the axis of the output end of the conveyor body (1), one end of the connecting shaft (43) is fixedly connected to a driving pulley (44), a connecting piece (45) is rotatably arranged on one side of the driving pulley (44) and the driven pulley (42), and the driving pulley (44) and the driven pulley (42) are connected by a belt transmission.

3. The belt conveyor for coal mine according to claim 2, characterized in that: The reciprocating mechanism (5) comprises: a first arc groove (51), a first arc groove (51) is provided on one side of the other end of the connecting shaft (43), a second arc groove (52) is provided on one side of the other end of the connecting shaft (43), and the first arc groove (51) and the second arc groove (52) are connected end to end; the other end of the extension rod (3) is rotatably connected to a connecting ring (53), the outer side of the connecting ring (53) is fixedly connected to a guide rod (54), a guide plate groove (55) is provided on one side of the conveyor body (1), the guide rod (54) is slidably connected to the guide plate groove (55), and one end of the guide rod (54) is slidably connected to the inner wall of the first arc groove (51) and the second arc groove (52).

4. The belt conveyor for coal mine according to claim 1, characterized in that: A cleaning brush is provided on the outer side of the cleaning roller (2).

5. The belt conveyor for coal mine according to claim 1, characterized in that: A spray head (6) is provided at the input end of the conveyor body (1).

6. The belt conveyor for coal mine according to claim 2, characterized in that: The diameter ratio of the driving pulley (44) to the driven pulley (42) is 2:

1.

7. The belt conveyor for coal mine according to claim 1, characterized in that: The driving source is a motor (7), and a coupling (8) is installed at the output end of the motor (7).

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