Wet dust removal device and anchor-digging integrated machine

Abstract

The wet dust removal device and the anchor and tunneling integrated machine, the wet dust removal device comprises a cutting arm, the front end of the cutting arm is provided with a dust suction port, the rear end is provided with a pollution discharge port, a dust removal channel extending from front to back is arranged in the cutting arm, a fan and a spraying device are arranged in the dust removal channel, the fan is used for dust suction, and the spraying device is used for spraying and humidifying the inhaled smoke dust. The wet dust removal device and the anchor and tunneling integrated machine can effectively remove dust and improve the working environment in the tunnel.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of coal mine roadway tunneling equipment, in particular to a wet dust removal device and a tunneling and anchoring integrated machine. BACKGROUND

[0002] With the high-speed growth of domestic urban rail transit, railway, highway, water conservancy, municipal engineering and other construction undertakings, China's tunneling machinery has also ushered in rapid development. China's tunneling machinery industry has become a key support development industry of domestic high-end equipment manufacturing and strategic emerging industry. The tunneling and anchoring machine is a special equipment for coal mine roadway tunneling, which is provided with a cutting arm at the front end of the main machine, a roller for cutting coal seam is arranged on the cutting arm, and a scraper conveyor is arranged at the lower end of the main machine to convey the cut coal to the rear end.

[0003] During roadway tunneling, a large amount of dust is generated. At present, air ducts, fans and other equipment are mainly installed on the outer surface of the equipment, and the dust is sucked to the rear of the unit through the air duct, which causes the working environment at the rear to be poor and affects the health of the miners. On the other hand, the working conditions in the roadway are poor, and the flying particles are easy to damage the dust removal equipment hung on the outside of the tunneling and anchoring machine. SUMMARY

[0004] In view of the defects in the prior art, the present application provides a wet dust removal device and a tunneling and anchoring integrated machine, which can effectively remove dust and improve the working environment in the roadway.

[0005] The wet dust removal device provided by the present application comprises a cutting arm, a dust suction port is arranged at the front end of the cutting arm, a dust discharge port is arranged at the rear end of the cutting arm, a dust removal channel extending from front to rear is arranged in the cutting arm, a fan and a spraying device are arranged in the dust removal channel, the fan is used for dust suction, and the spraying device is used for spraying and humidifying the suctioned smoke dust.

[0006] The working principle of the wet dust removal device provided by the present application is as follows: during operation, the fan rotates to generate negative pressure, the smoke dust generated by cutting the coal seam is sucked into the dust removal channel from the dust suction port, the spraying device humidifies the smoke dust, the smoke dust is settled at the rear end of the dust removal channel, and finally discharged from the dust discharge port.

[0007] The wet dust removal device provided by the present application has the following beneficial effects:

[0008] On the one hand, the device can effectively remove dust and improve the working environment of the mine roadway;

[0009] On the other hand, the cutting arm has a large volume, and in order to reduce the weight, it is usually a hollow structure. The device utilizes the space in the cutting arm to form a dust removal channel, without the need for external dust removal units and pipelines, and has a simple structure, which can effectively avoid damage to the dust removal equipment.

[0010] According to an embodiment of the present application, the dust discharge port is located at the lower end of the cutting arm.

[0011] According to an embodiment of the present application, the end of the dust removal channel is provided with a flow guide plate.

[0012] According to an embodiment of the present application, a flushing device is further included, which is located at the front end of the flow guide plate and used for flushing the flow guide plate.

[0013] According to an embodiment of the present application, a screen is arranged in the dust removal channel.

[0014] According to an embodiment of the present application, the screen is provided with a resonance device.

[0015] According to an embodiment of the present application, the blow-off port includes a first blow-off port and a second blow-off port, the first blow-off port is located at the front end of the screen, and the second blow-off port is located at the front end of the flow guide plate.

[0016] According to an embodiment of the present application, the fan is located at the rear end of the screen.

[0017] The excavating-anchor integrated machine provided by the present application comprises the wet dust removal device provided by the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 FIG. 1 is a structural schematic view of an excavating-anchor integrated machine according to an embodiment of the present application;

[0020] Figure 2 FIG. 2 is a structural schematic view of a wet dust removal device according to an embodiment of the present application.

[0021] Explanation of Reference Numerals

[0022] 1 - main machine

[0023] 2 - cutting arm

[0024] 3 - roller

[0025] 41 - dust removal channel

[0026] 42 - dust suction port

[0027] 43 - blow-off port

[0028] 431 - first blow-off port

[0029] 432 - second blow-off port

[0030] 44 - fan

[0031] 45 - spraying device

[0032] 46 - flushing device

[0033] 47 - screen

[0034] 48 - deflector DETAILED DESCRIPTION

[0035] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0036] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the skilled person in the field to which the present application belongs.

[0037] With reference to Figure 1 and Figure 2 , the embodiment provides a combined excavating and anchoring machine provided with a wet dust removal device, comprising: a main machine, a cutting arm and a roller, the cutting arm 2 is arranged at the front end of the main machine 1 of the combined excavating and anchoring machine, and the front end of the cutting arm 2 is provided with the roller 3.

[0038] The wet dust removal device comprises: the cutting arm 2, the front end of the cutting arm 2 is provided with a dust suction port 42, the rear end is provided with a pollution discharge port 43, and the cutting arm 2 is provided with a dust removal channel 41 extending from front to rear, the dust removal channel 41 is provided with a fan 44 and a spraying device 45, the fan 44 is used for dust suction, and the spraying device 45 is used for spraying and humidifying the inhaled smoke dust.

[0039] In operation, the fan 44 rotates to generate negative pressure, the smoke dust generated by cutting the coal seam is sucked into the dust removal channel 41 from the dust suction port 42, the spraying device 45 humidifies the smoke dust, the smoke dust is settled at the rear end of the dust removal channel 41, and finally discharged from the pollution discharge port 43, without the need to additionally arrange a dust collecting device, and without increasing the volume of the combined excavating and anchoring machine.

[0040] The wet dust removal device provided in the embodiment has the following beneficial effects:

[0041] On the one hand, the device can effectively remove dust and improve the working environment in the roadway;

[0042] On the other hand, the cutting arm 2 has a large volume, and in order to reduce the weight, it is usually a hollow structure, the device utilizes the space in the cutting arm 2 to form the dust removal channel 41, without the need to externally hang a dust removal unit and pipelines, and the structure is simple, which can effectively avoid damage to the dust removal equipment.

[0043] Specifically, the pollution discharge port 43 is located at the lower end of the cutting arm 2.

[0044] The dust suction ports 42 are arranged near the roller 3 and can directly suck the dust generated by cutting the coal seam into the dust removal channel 41, so as to avoid backward diffusion.

[0045] The lower end of the cutting arm 2 is a scraper, and the settled dust is mixed with the water discharged by the spraying device 45, falls into the scraper from the sewage outlet 43, and is transported backward along with the scraper, while the coal on the scraper is humidified and dedusted.

[0046] The end of the dust removal channel 41 is provided with a flow guide plate 48. The inhaled dust is gathered into slurry on the flow guide plate 48 after being humidified by spraying, flows downward along the flow guide plate 48, and is finally discharged from the sewage outlet 43 and falls into the scraper below the main machine 1. Further, in the embodiment, the surface of the flow guide plate is covered with grooves, the slurry is first filled in the grooves and then flows downward, and the slurry in the grooves can prevent the inhaled ore particles from directly impacting the flow guide plate, thereby improving the service life of the flow guide plate.

[0047] The front end of the flow guide plate 48 is also provided with a flushing device 46 for flushing the flow guide plate 48. The flushing device 46 can flush the slurry on the flow guide plate 48 to accelerate the downward flow of the slurry.

[0048] More specifically, the dust removal channel 41 is provided with a screen 47. The screen 47 filters large-diameter objects to prevent impact on the rear-end equipment. The screen 47 is provided with a resonance device, which is a resonance motor, to remove sludge and stones on the screen 47 through resonance to prevent the mesh from being blocked.

[0049] A fan 44 is located at the rear end of the screen 47. The screen 47 can filter large pieces of debris to prevent damage to the fan 44.

[0050] The sewage outlet 43 includes a first sewage outlet 431 and a second sewage outlet 432. The first sewage outlet 431 is located at the front end of the screen 47, and the second sewage outlet 432 is located at the front end of the flow guide plate 48. The debris falling from the screen 47 is discharged from the first sewage outlet 431, and the slurry falling from the flow guide plate 48 is discharged from the second sewage outlet 432.

[0051] Here, it should be noted that the functions, algorithms, methods, etc. involved in the present application are only conventional adaptive applications of the prior art. Therefore, the improvement of the present application to the prior art is in the connection relationship between the hardware, not in the function, algorithm, method itself, that is, although the present application involves a function, algorithm, method, it does not contain an improvement to the function, algorithm, method itself. The description of the function, algorithm, method in the present application is to better illustrate the present application, so as to better understand the present application.

[0052] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "horizontal", "inner", "outer" and the like are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0053] In addition, the terms "first", "second", and the like are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified.

[0054] In the specification of the present application, a large number of specific details are explained. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification.

[0055] In the description of the present application, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A wet dust removal device, characterized in that, include: The cutting arm (2) has a dust suction port (42) at its front end and a sewage discharge port (43) at its rear end. The cutting arm (2) has a dust removal channel (41) extending from front to back. The dust removal channel (41) is equipped with a fan (44) and a spray device (45). The fan (44) is used for dust suction, and the spray device (45) is used for spraying and humidifying the sucked-in dust. The dust removal channel (41) is provided with a guide plate (48) at the end. The smoke and dust that are sucked in are sprayed and humidified and then gather into mud on the guide plate (48) and flow downward along the guide plate (48). The dust removal channel (41) is provided with a screen (47). The surface of the guide plate (48) is covered with grooves. The mud first fills the grooves and then flows downward and is discharged from the drain. The mud in the grooves prevents the sucked mineral particles from directly impacting the guide plate, thereby improving the service life of the guide plate. The drain outlet (43) includes a first drain outlet (431) and a second drain outlet (432). The first drain outlet (431) is located at the front end of the screen (47), and the second drain outlet (432) is located at the front end of the guide plate (48). The fan (44) is located at the rear end of the screen (47).

2. The wet dust removal device according to claim 1, characterized in that, The drain outlet (43) is located at the lower end of the cutting arm (2).

3. The wet dust removal device according to claim 2, characterized in that, It also includes a flushing device (46) located at the front end of the guide plate (48) for flushing the guide plate (48).

4. The wet dust removal device according to claim 2, characterized in that, The screen (47) is equipped with a resonance device.

5. An integrated tunneling and anchoring machine, characterized in that, Includes the wet dust removal apparatus according to any one of claims 1 to 4.

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