Water curtain dust removal device

Abstract

The utility model discloses a water curtain dust removal device which comprises a stand column, a containing groove is formed in one side of the stand column, a water spraying folding arm used for stretching and contracting is arranged in the containing groove, the water spraying folding arm is composed of a height adjusting arm and two water spraying arms, and the upper portion of the side wall of the height adjusting arm is rotationally connected with the containing groove. The height adjusting arm and the two water spraying arms are taken out of the containing groove to be unfolded, the angle of the height adjusting arm is fixed through the inserting and connecting assembly, then the two water spraying arms are rotated according to needs, the spraying height and angle of the water spraying arms are changed, and water is injected into the height adjusting arm and the two water spraying arms; the whole operation process is rapid and convenient, the structure is simple, the manufacturing cost is effectively reduced, meanwhile, folding storage can be conducted, the size is reduced, transferring and transporting are convenient, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine dust reduction, in particular to a water curtain dust removal device. Background Art

[0002] There is a large amount of floating coal dust and rock dust in the air of underground coal mine tunnels, which poses a serious threat to the personal safety of underground workers. Therefore, water curtains for purifying airflow are installed in the air intake and return tunnels, main air intake tunnels, air intake inclined shafts and excavation working faces of coal mining working faces, which effectively reduce the dust concentration in mines and improve and manage the mine working environment.

[0003] At present, water curtain dust reduction pipelines in coal mine tunnels are often fixedly installed above the coal mine conveyor belts at a certain interval. When the height inside the tunnel changes, there are often coal mine excavation points that are not covered by the water curtain because the dust reduction pipelines cannot be popularized. Special situations cannot be coped with, and the temporary water curtain spraying devices currently on the market are large in size and need to be placed on a cart for transportation and transfer. The space inside the tunnel is relatively narrow, making it inconvenient to carry and transport. Utility Model Content

[0004] The purpose of the present invention is to provide a water curtain dust removal device in order to solve the above problems, as described below.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a water curtain dust removal device, comprising a column, a storage groove is provided on one side of the column, a water spray folding arm for stretching and contracting is provided in the storage groove, the water spray folding arm is composed of a height adjustment arm and two water spray arms, the upper part of the side wall of the height adjustment arm is rotatably connected to the storage groove, and a plug-in assembly for fixing the position of the height adjustment arm is provided at the upper end of the column, the upper parts of the two water spray arms are rotatably connected, and the water spray arm close to one side of the height adjustment arm is rotatably connected to the lower part thereof, flow channels are provided inside the height adjustment arm and the two water spray arms, and the rotating connections between the height adjustment arm and the two water spray arms are connected through a hose.

[0007] When using the above-mentioned water curtain dust removal device, the column is carried into the tunnel and fixed vertically, the water supply pipeline is connected to the water inlet end of the height adjustment arm, and then the height adjustment arm and the two water spray arms are taken out from the storage slot and unfolded, and the angle of the height adjustment arm is fixed by the plug-in assembly, and then the two water spray arms are rotated as needed to change the spraying height and angle, and water is injected into the height adjustment arm and the two water spray arms to make the water flow in the flow channel and the hose and finally sprayed out through the water spray arm, so that it sprays the water curtain to perform dust reduction operations.

[0008] Preferably, the plug-in assembly includes a pin hole provided on the upper portion of the column, a pin is inserted into the pin hole, a plurality of positioning holes for inserting with the pin are provided on the height adjustment arm, and the plurality of positioning holes are distributed in an arc shape with respect to the rotation axis of the height adjustment arm.

[0009] Preferably, a magnetic plate is provided at the end of the latch, and the magnetic plate is magnetically connected to the iron column.

[0010] Preferably, a plurality of atomizing spray holes are provided on the side walls of the two water spray arms.

[0011] Preferably, the rotating connection between the height adjustment arm and the two water spray arms is provided with a friction resistance component, which includes a friction pad fixedly connected to the surface of the height adjustment arm and one of the water spray arms, and both ends of the other water spray arm are fixedly connected with resistance blocks abutting the friction pad.

[0012] Preferably, four evenly distributed support plates are fixedly connected to the lower end of the column, and the ends of the four support plates are rotatably connected to spiral cones.

[0013] Preferably, a water injection pipe is provided on the side wall of the rotating connection of the height adjustment arm and connected to the interior thereof.

[0014] The beneficial effects are:

[0015] The height adjustment arm and the two water spray arms are taken out from the storage groove and unfolded, and the angle of the height adjustment arm is fixed by the plug-in assembly, and then the two water spray arms are rotated as needed to change the spraying height and angle, and water is injected into the height adjustment arm and the two water spray arms so that the water flows in the flow channel and the hose and is finally sprayed out through the water spray arms. The whole operation process is quick and convenient, the structure is simple and effectively reduces the manufacturing cost, and it can be folded and stored to reduce its volume, which is convenient for transfer and transportation and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a first stereoscopic view of the water spray arm of the utility model in the unfolded state;

[0019] Figure 3It is a second stereoscopic view of the water spray arm of the utility model in the unfolded state;

[0020] Figure 4 It is a partial stereogram of the column of the utility model.

[0021] The following are the descriptions of the reference numerals:

[0022] 1. Column; 2. Storage slot; 3. Plug-in assembly 3a. Pin hole; 3b. Pin; 3c. Positioning hole; 4. Height adjustment arm; 5. Water spray arm; 6. Flow channel; 7. Atomizing spray hole; 8. Hose; 9. Support plate; 10. Spiral cone; 11. Friction pad; 12. Resistance block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a water curtain dust removal device, including a column 1, a storage groove 2 is opened on one side of the column 1, a water spray folding arm for stretching and contracting is provided in the storage groove 2, and the water spray folding arm is composed of a height adjustment arm 4 and two water spray arms 5, the upper part of the side wall of the height adjustment arm 4 is rotatably connected to the storage groove 2, and a plug-in assembly 3 for fixing the position of the height adjustment arm 4 is provided at the upper end of the column 1, the upper parts of the two water spray arms 5 are rotatably connected, and the water spray arm 5 close to the side of the height adjustment arm 4 is rotatably connected to the lower part thereof, flow channels 6 are opened inside the height adjustment arm 4 and the two water spray arms 5, and the rotational connections between the height adjustment arm 4 and the two water spray arms 5 are connected through a hose 8.

[0025] Reference Figure 4 As shown, the plug-in assembly 3 includes a latch hole 3a provided on the upper part of the column 1, a latch 3b is plugged into the latch hole 3a, a plurality of positioning holes 3c plugged into the latch 3b are provided on the height adjustment arm 4, and the plurality of positioning holes 3c are distributed in an arc shape with respect to the rotating shaft of the height adjustment arm 4, a magnetic plate 3d is provided at the end of the latch 3b, and the magnetic plate 3d is magnetically connected to the iron column 1, when the height adjustment arm 4 is rotated to a suitable angle, the latch 3b is simultaneously inserted into the latch hole 3a and the positioning hole 3c to complete the angle fixing, and the magnetic plate 3d can prevent the latch 3b from falling off by magnetic force.

[0026] Specifically, a plurality of atomizing spray holes 7 are provided on the side walls of the two water spray arms 5, so that water can be sprayed in a mist form over a large area, thereby improving the dust reduction effect.

[0027] As an optional embodiment, the rotating connection between the height adjustment arm 4 and the two water spray arms 5 is provided with a friction resistance component, which includes a friction pad 11 fixedly connected to the surface of the height adjustment arm 4 and one of the water spray arms 5, and both ends of the other water spray arm 5 are fixedly connected with resistance blocks 12 abutting against the friction pad 11, so that there is a certain degree of friction between the height adjustment arm 4 and the two water spray arms 5 when they rotate relative to each other, thereby achieving the effect of following movement and stopping, and realizing stable spraying after angle adjustment.

[0028] Furthermore, four evenly distributed support plates 9 are fixedly connected to the lower end of the column 2, and the ends of the four support plates 9 are rotatably connected to the spiral cones 10. After the column 2 is placed vertically, the spiral cones 10 are rotated to penetrate the ground, so that the support plates 9 drive the column 2 to be fixed on the ground.

[0029] Specifically, a water injection pipe is provided on the side wall of the rotation connection of the height adjustment arm 4 and is connected to the interior thereof, so that an external water source can be connected to the water injection pipe, thereby allowing water to flow into the interior of the flow channel 6 .

[0030] With the above structure, when in use, the column 1 is carried into the tunnel and fixed vertically, the water supply pipeline is connected to the water inlet end of the height adjustment arm 4, and then the height adjustment arm 4 and the two water spray arms 5 are taken out from the storage groove 2 and unfolded, and the angle of the height adjustment arm 4 is fixed by the plug-in assembly 3, and then the two water spray arms 5 are rotated as needed to change the spraying height and angle, and water is injected into the height adjustment arm 4 and the two water spray arms 5, so that the water flows in the flow channel 6 and the hose 8 and is finally sprayed out through the water spray arm 5, so that it sprays a water curtain to perform dust reduction operations.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. Water curtain dust removal device, characterized by: The utility model comprises a column (1), a storage groove (2) is provided on one side of the column (1), a water spray folding arm for stretching and contracting is provided in the storage groove (2), the water spray folding arm is composed of a height adjustment arm (4) and two water spray arms (5), the upper part of the side wall of the height adjustment arm (4) is rotatably connected to the storage groove (2), and a plug-in assembly (3) for fixing the position of the height adjustment arm (4) is provided at the upper end of the column (1), the upper parts of the two water spray arms (5) are rotatably connected, and the water spray arm (5) close to the side of the height adjustment arm (4) is rotatably connected to the lower part thereof, the height adjustment arm (4) and the two water spray arms (5) are both provided with flow channels (6), and the rotational connection between the height adjustment arm (4) and the two water spray arms (5) is communicated through a hose (8).

2. The water curtain dust removal device according to claim 1 is characterized in that: The plug-in assembly (3) comprises a plug hole (3a) provided on the upper part of the column (1), a plug (3b) being plugged into the plug hole (3a), and a plurality of positioning holes (3c) plugged into the plug pin (3b) are provided on the height adjustment arm (4), and the plurality of positioning holes (3c) are distributed in an arc shape with the rotation axis of the height adjustment arm (4) as a reference.

3. The water curtain dust removal device according to claim 2 is characterized in that: A magnetic plate (3d) is provided at the end of the latch (3b), and the magnetic plate (3d) is magnetically connected to the iron column (1).

4. The water curtain dust removal device according to claim 1 is characterized in that: A plurality of atomizing spray holes (7) are provided on the side walls of the two water spray arms (5).

5. The water curtain dust removal device according to claim 1, characterized in that: The rotational connection between the height adjustment arm (4) and the two water spray arms (5) is provided with a friction resistance component, wherein the friction resistance component comprises a friction pad (11) fixedly connected to the surface of the height adjustment arm (4) and one of the water spray arms (5), and resistance blocks (12) abutting against the friction pad (11) are fixedly connected to both ends of the other water spray arm (5).

6. The water curtain dust removal device according to claim 1, characterized in that: The lower end of the column (1) is fixedly connected to four evenly distributed support plates (9), and the ends of the four support plates (9) are rotatably connected to spiral cones (10).

7. The water curtain dust removal device according to claim 1, characterized in that: A water injection pipe is provided on the side wall of the rotation connection of the height adjustment arm (4) and is connected to the interior thereof.

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