Dust suppression spraying device for coal mine engineering

Abstract

The dust suppression spraying device for the coal mine engineering comprises a base, a water storage tank is fixedly installed at the top of the base, a rotating pipe is rotatably installed in the water storage tank in the vertical direction, the upper end of the rotating pipe extends to the outer portion of the water storage tank, and the lower end of the rotating pipe extends to the bottom of the base. According to the device, the rotating pipe, the servo motor, the U-shaped water pipe and other parts are arranged, water in the water storage tank is pumped into the U-shaped water pipe through the water pump, the water is sprayed outwards from the atomization spray head for dust falling, the servo motor drives a first bevel gear to be meshed with a second bevel gear at the bottom of the rotating pipe, the rotating pipe is made to rotate, and dust falling is achieved. The U-shaped water pipe rotates around the surface of the water storage tank, fog water sprayed by the atomization nozzles performs all-around dust falling operation on the periphery of the interior of the coal mine tunnel under rotation of the U-shaped water pipe, and therefore the dust falling effect is greatly improved, and the working efficiency of dust falling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust suppression spraying, in particular to a dust suppression spraying device for coal mine engineering. Background Art

[0002] Coal mines are key industries with productive dust hazards. The large amount of dust generated during underground coal mining, excavation, transshipment and transportation not only poses a serious threat to the health of workers, but also when the floating dust reaches a certain concentration, coal dust explosions will occur when encountering a fire source. Therefore, controlling floating dust and reducing dust accumulation are effective ways to reduce occupational disease hazards and prevent explosion accidents. Therefore, it is necessary to use dust suppression spray devices to reduce dust in tunnels.

[0003] A Chinese patent document with publication number CN214247386U provides a spray dust suppression device for coal mines, including a cart, a mixing mechanism is fixed on the surface of the cart, the mixing mechanism includes a fixed frame, a fixed frame is fixed on the surface of the cart, and a water tank is inserted inside the fixed frame. By providing a control device and a first connecting rod, in conjunction with a second fixed block and a bracket, the device is more convenient to adjust the angle, and the device is more accurate when spraying. By pushing the plug rod upward, the bracket can be rotated, and then the plug rod can be inserted to fix it, so that the spraying direction of the device can be adjusted, and the working efficiency of the device is improved;

[0004] However, the spraying range of the device of the above scheme is limited when spraying dust reduction, and when the spraying angle needs to be changed, the spraying angle needs to be adjusted manually, thereby reducing the work efficiency of the workers in the coal mine tunnel. In addition, when the water tank of the device is filled with water, the overall weight of the device increases, and the device needs to be pushed by manpower when moving, which is time-consuming and labor-intensive, resulting in low work efficiency. Therefore, the utility model designs a dust suppression spray device for coal mine engineering to solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a dust suppression spray device for coal mine engineering to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust suppression spray device for coal mine engineering, comprising: a base, a water storage tank is fixedly installed on the top of the base, and a rotating tube is rotatably installed in the water storage tank in the vertical direction, the upper end of the rotating tube extends to the outside of the water storage tank, and the lower end of the rotating tube extends to the bottom of the base, and a transmission component is arranged between the bottom of the rotating tube and the bottom of the base, when the atomizing nozzle sprays dust suppression inside the coal mine tunnel, the surface of the middle part of the rotating tube is symmetrically provided with water suction ports through the arrangement of the transmission component, and a sealing cover is arranged on one side of the top of the water storage tank;

[0007] A mounting plate is fixedly installed on the surface of the upper end of the rotating tube, and a water pump is fixedly installed on the top of the mounting plate, the water inlet end of the water pump is fixedly connected to the top of the mounting plate, a U-shaped water pipe is fixedly installed on the water outlet end of the water pump, and a plurality of atomizing nozzles are fixedly installed at equal intervals on the surfaces of both sides of the U-shaped water pipe, a baffle is fixedly installed on one side of the top of the base, a battery is fixedly installed on one side of the bottom of the base, and universal wheels are installed all around the bottom of the base.

[0008] Preferably, sealed bearings are symmetrically arranged on the surface of the rotating tube, and the inner ring of the sealed bearing is fixedly connected to the surface of the rotating tube, and the outer ring of the sealed bearing is fixedly connected to the inside of the water tank.

[0009] Preferably, the transmission assembly includes: a fixed block, a servo motor and a second bevel gear, two fixed blocks are provided, the two fixed blocks are symmetrically fixedly installed in the middle part of the bottom of the base, a rotating shaft is rotatably installed between the two fixed blocks, and both ends of the rotating shaft extend to one side of the adjacent fixed block, and rollers are fixedly installed at both ends of the rotating shaft, the servo motor is fixedly installed on one side of the bottom of the base, and the output end of the servo motor is fixedly connected to the first bevel gear, the second bevel gear is fixedly installed on the bottom of the rotating tube, the surface on one side of the first bevel gear is meshed with the surface on one side of the second bevel gear, and a third bevel gear is fixedly installed in the middle part of the rotating shaft, and the surface on one side of the third bevel gear is meshed with the surface on the other side of the second bevel gear.

[0010] Preferably, a waterproof cover is fixedly mounted on the surface of the output end of the water pump, and the bottom of the waterproof cover is fixedly mounted on the surface of the top of the mounting plate.

[0011] Preferably, six balls are installed at equal intervals along the circumference at the bottom of the mounting plate, an annular groove is provided at the top of the water tank, and the bottoms of the balls are placed inside the annular groove.

[0012] Preferably, a fixing ring is fixedly installed on the surface of the water tank, and the outer wall of the fixing ring has an annular groove, and sliders are fixedly installed at the lower ends of both sides of the U-shaped water pipe and close to the inner wall of the water tank, and the sliders at the lower ends of both sides of the U-shaped water pipe are slidably installed in the annular groove of the outer wall of the fixing ring.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with components such as a rotating tube, a servo motor and a U-shaped water pipe. The water in the water tank is pumped into the U-shaped water pipe by a water pump, and sprayed out from the atomizing nozzle to reduce dust. The servo motor drives the first bevel gear to mesh with the second bevel gear at the bottom of the rotating tube to rotate the rotating tube, so that the U-shaped water pipe rotates around the surface of the water tank. Under the rotation of the U-shaped water pipe, the mist water sprayed by the atomizing nozzle performs dust reduction operations on all sides of the interior of the coal mine tunnel, thereby greatly improving the dust reduction effect and the dust reduction work efficiency.

[0015] 2. The utility model arranges the second bevel gear, the third bevel gear and the rotating shaft. When the rotating tube rotates, the second bevel gear at the bottom engages with the third bevel gear in the middle of the rotating shaft to rotate the rotating shaft. Under the rotation of the rotating shaft, the rollers fixed at both ends drive the entire device to move, which further saves manpower to push the device and greatly improves the efficiency of spraying and dust reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front cross-sectional view of the utility model;

[0017] Figure 2 For the utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 3 For the utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0019] Figure 4 It is a bottom view schematic diagram of the partial structures of the base, transmission assembly and battery of the utility model;

[0020] Figure 5 It is a left side schematic diagram of the utility model.

[0021] In the figure: 1. base; 101. universal wheel; 2. water tank; 201. sealing cover; 3. rotating tube; 301. water inlet; 4. transmission assembly; 401. fixing block; 402. rotating shaft; 403. roller; 404. servo motor; 405. first bevel gear; 406. second bevel gear; 407. third bevel gear; 5. mounting plate; 6. water pump; 7. U-shaped water pipe; 701. atomizing nozzle; 8. waterproof cover; 9. shielding plate; 10. battery. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 The utility model provides an embodiment: a dust suppression spray device for coal mine engineering, comprising: a base 1, a water storage tank 2 is fixedly installed on the top of the base 1, and the water storage tank 2 is a cylindrical barrel structure, and a rotating tube 3 is installed in the water storage tank 2 in a vertical direction, the upper end of the rotating tube 3 extends to the outside of the water storage tank 2, and the lower end of the rotating tube 3 extends to the bottom of the base 1, and a transmission component 4 is arranged between the bottom of the rotating tube 3 and the bottom of the base 1. When the atomizing nozzle 701 sprays dust suppression inside the coal mine tunnel, the U-shaped water pipe 7 is rotated around the surface of the water storage tank 2 through the arrangement of the transmission component 4, and the U Under the rotation of the U-shaped water pipe 7, the mist water sprayed by the atomizing nozzle 701 performs dust reduction operations on all sides of the interior of the coal mine tunnel, thereby improving the dust reduction effect. Moreover, through the linkage effect, the roller 403 drives the entire device to move, further saving manpower to push the device, and greatly improving the efficiency of spraying and dust reduction. The surface of the middle part of the rotating tube 3 is symmetrically provided with a water suction port 301, and a sealing cover 201 is provided on one side of the top of the water storage tank 2; when the water pump 6 is started, the water inside the water storage tank 2 enters the water pump 6 at the top of the rotating tube 3 through the water suction port 301, and enters the interior of the U-shaped water pipe 7 from the water outlet end of the water pump 6;

[0024] A mounting plate 5 is fixedly installed on the surface of the upper end of the rotating tube 3, and a water pump 6 is fixedly installed on the top of the mounting plate 5. The water inlet end of the water pump 6 is fixedly connected to the top of the mounting plate 5, and a U-shaped water pipe 7 is fixedly installed on the water outlet end of the water pump 6, and a plurality of atomizing nozzles 701 are fixedly installed at equal intervals on the surfaces of both sides of the U-shaped water pipe 7. A baffle plate 9 is fixedly installed on one side of the top of the base 1. The baffle plate 9 is transparent plastic and can shield the front side of the user to prevent the user from getting wet by the mist sprayed by the atomizing nozzle 701, and a push rod is fixedly installed on the top of the base 1 near the baffle plate 9 to facilitate the user to push the device, a battery 10 is fixedly installed on one side of the bottom of the base 1, and the interior of the battery 10 is electrically connected to the interior of the servo motor 404, and universal wheels 101 are installed all around the bottom of the base 1.

[0025] See also Figure 1-2In this embodiment, sealed bearings are symmetrically arranged on the surface of the rotating tube 3, and the inner ring of the sealed bearings is fixedly connected to the surface of the rotating tube 3, and the outer ring of the sealed bearings is fixedly connected to the inside of the water storage tank 2. By setting the sealed bearings, the sealing performance inside the water storage tank 2 is improved, and the rotation stability of the rotating tube 3 is improved.

[0026] See also Figure 1 , Figure 2 and Figure 4 In this embodiment: the transmission assembly 4 includes: a fixed block 401, a servo motor 404 and a second bevel gear 406, two fixed blocks 401 are provided, and the two fixed blocks 401 are symmetrically fixedly installed in the middle of the bottom of the base 1, a rotating shaft 402 is rotatably installed between the two fixed blocks 401, and both ends of the rotating shaft 402 extend to one side of the adjacent fixed block 401, and rollers 403 are fixedly installed at both ends of the rotating shaft 402, the servo motor 404 is fixedly installed on one side of the bottom of the base 1, and the output end of the servo motor 404 is fixedly connected to the first bevel gear 405, the second bevel gear 406 is fixedly installed at the bottom of the rotating tube 3, the surface of one side of the first bevel gear 405 is meshed with the surface of one side of the second bevel gear 406, and the third bevel gear 407 is fixedly installed in the middle of the rotating shaft 402, and the surface of one side of the third bevel gear 407 is meshed with the surface of the other side of the second bevel gear 406. When the device is moved to spray and reduce dust, the servo motor 404 and the water pump 6 are started, and the water inside the water storage tank 2 is pumped into the U-shaped water pipe 7 through the water inlet end of the water pump 6, and sprayed out from the atomizing nozzle 701 to reduce dust. At the same time, the output end of the servo motor 404 drives the first bevel gear 405 to engage with the second bevel gear 406 at the bottom of the rotating tube 3 to rotate the rotating tube 3. At this time, the rotating tube 3 drives the mounting plate 5 fixedly installed on the upper end of the rotating tube 3 to rotate, so that the U-shaped water pipe 7 surrounds the storage tank 2. The surface of the water tank 2 rotates, and under the rotation of the U-shaped water pipe 7, the mist water sprayed by the atomizing nozzle 701 performs dust reduction operations on all sides of the coal mine tunnel. At the same time, the second bevel gear 406 at the bottom of the rotating tube 3 is engaged with the third bevel gear 407 in the middle of the rotating shaft 402, so that the rotating shaft 402 rotates, and the rollers 403 fixedly installed at both ends of the rotating shaft 402 drive the entire device to move under the rotation of the rotating shaft 402, which further saves manpower to push the device and greatly improves the efficiency of spraying and dust reduction.

[0027] See also Figure 1 and Figure 5 In this embodiment, a waterproof cover 8 is fixedly mounted on the surface of the output end of the water pump 6, and the bottom of the waterproof cover 8 is fixedly mounted on the surface of the top of the mounting plate 5. By setting the waterproof cover 8, the water pump 6 can be protected when the atomizing nozzle 701 sprays dust.

[0028] See also Figure 1 and Figure 3In this embodiment, six balls are installed at equal intervals along the circumference of the bottom of the mounting plate 5, and an annular groove is provided on the top of the water storage tank 2. The bottom of the balls is placed inside the annular groove. The arrangement of the balls reduces the contact area between the bottom of the mounting plate 5 and the top of the water storage tank 2, further reducing the friction between the two and improving the stability of the rotation of the mounting plate 5.

[0029] See also Figure 1 and Figure 5 In this embodiment: a fixing ring is fixedly installed on the surface of the water tank 2, and the outer wall of the fixing ring has an annular groove, and sliders are fixedly installed at the lower ends of both sides of the U-shaped water pipe 7 and close to the inner wall of the water tank 2, and the sliders at the lower ends of both sides of the U-shaped water pipe 7 are slidably installed in the annular grooves of the outer wall of the fixing ring. When the rotating tube 3 drives the U-shaped water pipe 7 to rotate, the lower ends of both sides of the U-shaped water pipe 7 are slidably installed on the surface of the water tank 2, so as to further improve the stability of the U-shaped water pipe 7 during rotation.

[0030] Working principle: When the power is turned on, when the dust reduction operation is performed inside the coal mine tunnel, the servo motor 404 and the water pump 6 are started, and the water inside the water tank 2 is pumped into the U-shaped water pipe 7 through the water inlet end of the water pump 6, and sprayed out from the atomizing nozzle 701 to reduce dust. At the same time, the output end of the servo motor 404 drives the first bevel gear 405 to engage with the second bevel gear 406 at the bottom of the rotating tube 3, so that the rotating tube 3 rotates. At this time, the rotating tube 3 drives the mounting plate 5 fixedly installed on the upper end of the rotating tube 3 to rotate, so that the U-shaped water pipe 7 rotates around the surface of the water tank 2. Under the rotation of the U-shaped water pipe 7, the mist water sprayed by the atomizing nozzle 701 performs all-round dust reduction operations on the inside of the coal mine tunnel. At the same time, the second bevel gear 406 at the bottom of the rotating tube 3 engages with the third bevel gear 407 in the middle of the rotating shaft 402, so that the rotating shaft 402 rotates, and the rollers 403 fixedly installed at both ends of the rotating shaft 402 drive the entire device to move under the rotation of the rotating shaft 402, saving manpower to push the device. The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust suppression spray device for coal mine engineering, comprising: The base (1) is characterized in that: a water tank (2) is fixedly installed on the top of the base (1), and a rotating tube (3) is rotatably installed inside the water tank (2) in a vertical direction, the upper end of the rotating tube (3) extends to the outside of the water tank (2), and the lower end of the rotating tube (3) extends to the bottom of the base (1), and a transmission component (4) is arranged between the bottom of the rotating tube (3) and the bottom of the base (1), and when the atomizing nozzle (701) sprays dust inside the coal mine tunnel, through the arrangement of the transmission component (4), the surface of the middle part of the rotating tube (3) is symmetrically opened with a water suction port (301), and a sealing cover (201) is arranged on one side of the top of the water tank (2); A mounting plate (5) is fixedly mounted on the surface of the upper end of the rotating tube (3), and a water pump (6) is fixedly mounted on the top of the mounting plate (5); a water inlet end of the water pump (6) is fixedly connected to the top of the mounting plate (5); a U-shaped water pipe (7) is fixedly mounted on the water outlet end of the water pump (6), and a plurality of atomizing nozzles (701) are fixedly mounted at equal intervals on the surfaces of both sides of the U-shaped water pipe (7); a shielding plate (9) is fixedly mounted on one side of the top of the base (1); a storage battery (10) is fixedly mounted on one side of the bottom of the base (1); and universal wheels (101) are mounted on all four sides of the bottom of the base (1).

2. A dust suppression spray device for coal mine engineering according to claim 1, characterized in that: The surface of the rotating tube (3) is symmetrically provided with sealing bearings, and the inner ring of the sealing bearing is fixedly connected to the surface of the rotating tube (3), and the outer ring of the sealing bearing is fixedly connected to the inside of the water storage tank (2).

3. A dust suppression spray device for coal mine engineering according to claim 1, characterized in that: The transmission assembly (4) comprises: a fixed block (401), a servo motor (404) and a second bevel gear (406), wherein two fixed blocks (401) are provided, and the two fixed blocks (401) are symmetrically fixedly mounted in the middle of the bottom of the base (1), a rotating shaft (402) is rotatably mounted between the two fixed blocks (401), and both ends of the rotating shaft (402) extend to one side of an adjacent fixed block (401), and rollers (403) are fixedly mounted at both ends of the rotating shaft (402), and the servo motor (404) is provided with a plurality of rotating shafts (403). The servo motor (404) is fixedly mounted on one side of the bottom of the base (1), and the output end of the servo motor (404) is fixedly connected to the first bevel gear (405), the second bevel gear (406) is fixedly mounted on the bottom of the rotating tube (3), the surface of one side of the first bevel gear (405) is meshed with the surface of one side of the second bevel gear (406), and a third bevel gear (407) is fixedly mounted on the middle of the rotating shaft (402), and the surface of one side of the third bevel gear (407) is meshed with the surface of the other side of the second bevel gear (406).

4. A dust suppression spray device for coal mine engineering according to claim 1, characterized in that: A waterproof cover (8) is fixedly mounted on the surface of the output end of the water pump (6), and the bottom of the waterproof cover (8) is fixedly mounted on the surface of the top of the mounting plate (5).

5. The dust suppression spray device for coal mine engineering according to claim 1, characterized in that: Six balls are mounted at equal intervals on the bottom of the mounting plate (5) along the circumference, an annular groove is provided on the top of the water storage tank (2), and the bottoms of the balls are placed inside the annular groove.

6. A dust suppression spray device for coal mine engineering according to claim 1, characterized in that: A fixing ring is fixedly mounted on the surface of the water tank (2), and the outer wall of the fixing ring has an annular groove. Sliders are fixedly mounted at the lower ends of both sides of the U-shaped water pipe (7) and close to the inner wall of the water tank (2). The slides at the lower ends of both sides of the U-shaped water pipe (7) are slidably mounted in the annular groove of the outer wall of the fixing ring.

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