Dust falling device for mining

Abstract

The utility model belongs to the technical field of dust falling for mining, and relates to a dust falling device for mining, which comprises a mounting frame, a rotating cavity is enclosed between frame plates of the mounting frame, a mounting shaft is rotatably mounted in the rotating cavity, a rotating frame is fixedly connected to a shaft body of the mounting shaft, the mounting cavity is formed in the rotating frame, and the mounting shaft is rotatably mounted in the mounting cavity. A spraying pipe is mounted in a cavity body of the mounting cavity, nozzles are fixedly connected to the spraying pipe at equal intervals, a water inlet pipe is mounted on the spraying pipe, a drainage assembly is mounted in the spraying pipe and comprises rotating shafts, and a drainage piece is fixedly mounted on a rod body of each rotating shaft through a sleeve; and a dust blocking assembly is mounted on the rotating frame. Through cooperative operation of the drainage assembly and the dust blocking assembly, the contact efficiency with dust is improved, the covering requirements of areas with different dust concentrations are met, meanwhile, a three-dimensional air curtain barrier can be formed, and dust is prevented from diffusing into the operation range of the nozzle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of dust falling technology for mining, and relates to a dust falling device for mining. BACKGROUND

[0002] In the mining process, a large amount of dust and mist is generated due to the working mode, which not only affects the quality of the working environment, but also causes harm to the health of the workers, so a dust falling device is often needed to cooperate with dust falling.

[0003] For example, application No. CN202322658628.8 discloses a mine exploitation spray dust falling device for mining engineering, wherein it is recorded that "the fixed column, the movable rod and the rotating pipe are provided, the movable rod is movably installed at the bottom of the fixed column, the telescopic rod is slidably installed on the inner side of the movable rod, the support block is movably installed at one end of the telescopic rod, and the sliding sleeve is slidably installed on the outer side of the fixed column at the top of the movable rod. The utility model can make synchronous rotation operation when the water source is atomized and sprayed, can improve the spraying range and improve the dust falling effect through the cooperation between the fixed sleeve, the rotating rod, the turbine blade and the rotating pipe. The cooperation between the sliding sleeve, the support rod, the movable rod, the telescopic rod and the support block can facilitate the adjustment of the support range according to the needs of mine exploitation, avoid the occurrence of tilting, fold the movable rod, reduce the occupied space and facilitate the carrying operation".

[0004] When using the above technology, it is found that the existing technology has the following technical problems: the dust falling effect of the existing technology is not good for some high-concentration dust mining tunnels, and since the operation is in an environment with high dust concentration, the nozzle position is prone to blockage, which requires the operator to clean one by one, affecting the efficiency of the entire dust falling operation. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is that the dust falling effect of the existing technology is not good for some high-concentration dust mining tunnels, and since the operation is in an environment with high dust concentration, the nozzle position is prone to blockage, which requires the operator to clean one by one, affecting the efficiency of the entire dust falling operation.

[0006] The utility model discloses a kind of dust falling devices for mining, including mounting bracket, the frame plate between the mounting bracket is enclosed with rotating cavity, rotating cavity is rotatably installed with mounting shaft in its inside, the shaft body of mounting shaft is fixedly connected with rotating frame, the inside of rotating frame is equipped with installation cavity, installation cavity is installed with spout in its cavity inside, equidistant fixedly connected with nozzle on spout, water inlet pipe is installed on spout, drainage assembly is installed in the inside of spout, rotating shaft is contained in drainage assembly, rotating shaft is symmetrically installed on the inside of installation cavity and on the upper and lower positions of spout, drainage piece is fixedly installed with sleeve on the shaft body of each rotating shaft, dust prevention assembly is installed on rotating frame.

[0007] Preferably, the inside of the spray cavity of the nozzle is rotatably installed with a rotating rod, the top of the rotating rod protrudes outside through the top of the inner wall of the spray cavity, and a rotating knob is fixedly connected to the top of the rotating rod, a drainage blade is rotatably installed on the connecting seat at the bottom of the rotating rod, an adjusting rod is slidably installed on the side plates of the rotating frame, the sliding position of the adjusting rod is above the nozzle, a rotating groove is formed in the rod body of the adjusting rod above the nozzle, and the rotating end of the rotating knob is rotatably connected to the rotating groove through a pin shaft, one end of the adjusting rod protrudes outside through one side plate of the mounting bracket, and when the adjusting rod is not in operation, the horizontal axis of the rotating knob and the horizontal axis of the nozzle are located in the same vertical horizontal plane.

[0008] Preferably, the outer part of the cross section of one end of the rotating shaft is fixedly sleeved with a first gear, a fixed box is installed on one side of the rotating frame through bolts, a structure cavity is formed in the inside of the fixed box, and a small motor is symmetrically installed in the inside of the structure cavity, the output shaft end of each small motor is inserted into the inside of the installation cavity through the plate of the rotating frame and is installed with a second gear, the second gear is engaged with the first gear at the corresponding position, and when the rotating frame drives the fixed box to rotate around the mounting shaft, the rotating track of the fixed box does not contact the plate of the mounting bracket.

[0009] Preferably, the outer part of the cross section of one end of the mounting shaft away from the first gear is fixedly provided with a third gear, a servo motor is installed on the outer side of the plate of the rotating frame close to the third gear, the output shaft end of the servo motor is inserted into the rotating cavity and is installed with a fourth gear, and the fourth gear is engaged with the third gear.

[0010] Preferably, the dust prevention assembly contains a blowing pipe, the blowing pipe is installed with a blowing nozzle on the pipe body, the blowing nozzle is obliquely installed in a transverse shape, and the air outlet is inclined towards the nozzle, a connecting pipe is installed on the blowing pipe, and a gas pump is installed on the connecting pipe.

[0011] Preferably, the upper and lower end faces of the rotating frame are symmetrically fixedly connected with fixed seats, mounting buckles are symmetrically installed on the cross pipe of the blowing pipe, and the mounting buckles are fixed on the fixed seats through bolts.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] First, through the cooperation of the drainage assembly, the particle size of the water mist can be changed, the contact efficiency with the dust is improved, and the spraying area of the spray is controlled, so as to adapt to the covering needs of different dust concentration areas.

[0014] Second, through the auxiliary operation of the dust blocking assembly, a three-dimensional air curtain barrier can be formed to block the diffusion of dust into the operation range of the spray nozzle, avoid the phenomenon of dust blockage during the operation of the spray nozzle, and ensure the continuous operation of the dust falling device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall structure schematic view of the utility model.

[0016] Figure 2 is the structure schematic view of the rotating frame in the utility model.

[0017] Figure 3 is the internal schematic view of the spray nozzle in the utility model.

[0018] Figure 4 is the internal schematic view of the spray nozzle in the utility model Figure 2 is the enlarged structure schematic view of A in the utility model.

[0019] Figure 5 is the partial structure schematic view of the dust blocking assembly in the utility model.

[0020] In the drawing: 1, mounting frame; 2, mounting shaft; 3, rotating frame; 4, mounting cavity; 5, spray pipe; 6, spray nozzle; 7, rotating shaft; 8, drainage sheet; 9, first gear; 10, fixed box; 11, small motor; 12, second gear; 13, water inlet pipe; 14, third gear; 15, servo motor; 16, fourth gear; 17, air blowing pipe; 18, air blowing nozzle; 19, connecting pipe; 20, air pump; 21, mounting buckle; 22, fixed seat; 23, rotating rod; 24, drainage blade; 25, rotating knob; 26, adjusting rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0022] It should be noted that the examples in the utility model and the features and technical solutions in the examples can be combined with each other without conflict.

[0023] It should be noted that like reference numerals and characters refer to like items throughout the drawings and that once an item is defined in one drawing, it is not necessary to further define and explain it in the subsequent drawings.

[0024] Embodiment 1

[0025] As Figures 1-4 shown, a mining dust falling device, comprising a mounting frame 1, a rotating cavity is enclosed between the frame plates of the mounting frame 1, a mounting shaft 2 is rotatably installed inside the rotating cavity, a rotating frame 3 is fixedly connected to the shaft body of the mounting shaft 2, an installation cavity 4 is formed in the inside of the rotating frame 3, a spray pipe 5 is installed in the cavity of the installation cavity 4, a plurality of nozzles 6 are equidistantly fixedly connected to the spray pipe 5, a water inlet pipe 13 is installed on the spray pipe 5, a flow guide assembly is installed in the inside of the spray pipe 5, the flow guide assembly comprises a rotating shaft 7, the rotating shaft 7 is symmetrically installed at the upper and lower positions of the spray pipe 5 in the inside of the installation cavity 4, a flow guide piece 8 is fixedly installed on the rod body of each rotating shaft 7 through a sleeve, and a dust blocking assembly is installed on the rotating frame 3. Before the dust falling operation is performed on some high-concentration dust mining tunnels, the operation angle of the rotating frame 3 can be adjusted by using the mounting shaft 2 according to the operation site conditions, so that the spray pipe 5 in the inside of the installation cavity 4 can operate smoothly, and when the dust falling is performed, the water flow enters the inside of the spray pipe 5 through the second gear 12 and is sprayed out of the nozzle 6, thereby achieving an effective dust falling effect.

[0026] A rotating rod 23 is rotatably installed in the spray cavity of the nozzle 6, the top of the rotating rod 23 extends out of the outside through the top of the inner wall of the spray cavity and is fixedly connected with a rotating knob 25, a flow guide blade 24 is rotatably installed on the connecting seat at the bottom of the rotating rod 23, an adjusting rod 26 is slidingly installed on the two side plates of the rotating frame 3, the sliding position of the adjusting rod 26 is located above the nozzle 6, a rotating groove is formed in the rod body of the adjusting rod 26 above the nozzle 6, and the rotating end of the rotating knob 25 is rotatably connected in the rotating groove through a pin shaft, one end of the adjusting rod 26 extends out of the outside through one side plate of the mounting frame 1, and when the adjusting rod 26 is not in operation, the horizontal axis of the rotating knob 25 and the horizontal axis of the nozzle 6 are located in the same vertical horizontal plane. Before the dust falling operation is performed on different dust concentration areas, a pushing force can be applied to the end of the adjusting rod 26 on the mounting frame 1, the adjusting rod 26 moves along the horizontal direction by a distance, so that the rotating knob 25 rotates around the rotating rod 23, thereby driving the operating position of the flow guide blade 24 to rotate, and when the water flow passes through, the flow guide blades 24 at different angles can change the diameter of the water mist particles, so as to meet the dust falling effect of different dust concentration areas and improve the water use efficiency.

[0027] The outer part of the rod body of one end of the rotating shaft 7 is provided with a first gear 9, one side of the rotating frame 3 is provided with a fixed box 10 through bolts, the inside of the fixed box 10 is provided with a structure cavity, and small motors 11 are symmetrically installed in the structure cavity. The output shaft end of each small motor 11 penetrates the plate body of the rotating frame 3 and is inserted into the inside of the installation cavity 4 and is provided with a second gear 12, the second gear 12 is engaged with the first gear 9 at the corresponding position, when the rotating frame 3 drives the fixed box 10 to rotate around the installation shaft 2, the rotating track of the fixed box 10 does not contact the plate body of the mounting frame 1. When adjusting according to the dust area, start the small motor 11 in the fixed box 10, the second gear 12 rotates and drives the first gear 9 to rotate, the first gear 9 can drive the rotating shaft 7 and the drainage sheet 8 to rotate by a certain angle, to ensure that the sprayed water mist can be sprayed along the predetermined track, and has strong pertinence, and can realize the effect of quickly dusting a certain area.

[0028] The outer part of the rod body of one end of the rotating shaft 7 is provided with a first gear 9, one side of the rotating frame 3 is provided with a fixed box 10 through bolts, the inside of the fixed box 10 is provided with a structure cavity, and small motors 11 are symmetrically installed in the structure cavity. The output shaft end of each small motor 11 penetrates the plate body of the rotating frame 3 and is inserted into the inside of the installation cavity 4 and is provided with a second gear 12, the second gear 12 is engaged with the first gear 9 at the corresponding position, when the rotating frame 3 drives the fixed box 10 to rotate around the installation shaft 2, the rotating track of the fixed box 10 does not contact the plate body of the mounting frame 1. When adjusting according to the dust area, start the small motor 11 in the fixed box 10, the second gear 12 rotates and drives the first gear 9 to rotate, the first gear 9 can drive the rotating shaft 7 and the drainage sheet 8 to rotate by a certain angle, to ensure that the sprayed water mist can be sprayed along the predetermined track, and has strong pertinence, and can realize the effect of quickly dusting a certain area.

[0029] Through the structural design of the drainage assembly, before dusting a certain area, start the servo motor 15, the fourth gear 16 rotates, drives the third gear 14 and the installation shaft 2 to rotate, so that the rotating frame 3 drives the spray pipe 5 and the nozzle 6 to rotate by a certain angle, to ensure that the working direction of the nozzle 6 is towards the dust area to be reduced, and according to the start of the small motor 11 in the fixed box 10, the second gear 12 rotates and drives the first gear 9 to rotate, the first gear 9 can drive the rotating shaft 7 and the drainage sheet 8 to rotate by a certain angle, to ensure that the sprayed water mist can be sprayed along the predetermined track, and then, according to the on-site dust concentration, a pushing force is applied to the end of the adjusting rod 26 on the mounting frame 1, the adjusting rod 26 moves horizontally by a distance, so that the rotating knob 25 rotates around the rotating rod 23, and then drives the working position of the drainage leaf 24 to rotate, the water flow enters the working range of the drainage leaf 24 through the water inlet pipe 13, so that the water flow forms a vortex under high pressure, and finer and more uniform water mist particles are generated during atomization, the contact efficiency with dust is improved, and it is ensured that the sprayed water mist particles can better absorb dust, and the covering demand of different dust concentration areas is met.

[0030] Embodiment 2

[0031] As Figure 1 ,Figure 5 As shown, the dust blocking assembly comprises a blowing pipe 17, the blowing pipe 17 is provided with blowing nozzles 18, the blowing nozzles 18 are obliquely arranged, the air outlet is inclined to the nozzle 6, the blowing pipe 17 is provided with a connecting pipe 19, the connecting pipe 19 is provided with a gas pump 20. The gas pump 20 is provided with a filter assembly, which can avoid the dust in the air sucked in, the four blowing nozzles 18 can be enclosed into a sealed air wall, when the dust falling operation is performed, the gas pump 20 is started, the clean air enters the blowing pipe 17 through the connecting pipe 19 and is blown out through the blowing nozzles 18, and the air wall can avoid the dust entering the operation range of the outlet of the nozzle 6.

[0032] The upper and lower end faces of the rotating frame 3 are symmetrically fixed with fixing seats 22, the transverse pipe of the blowing pipe 17 is symmetrically provided with mounting buckles 21, the mounting buckles 21 are fixed on the fixing seats 22 through bolts. The blowing pipe 17 is sleeved outside the rotating frame 3, the mounting buckles 21 are inserted into the fixing cavities of the fixing seats 22, and the bolts are used for fixing, so that the blowing pipe 17 and the drainage sheet 8 are fixed on the rotating frame 3.

[0033] Through the cooperation of the dust blocking assembly, the blowing pipe 17 is fixed on the rotating frame 3 through the mounting buckles 21 and the fixing seats 22, then the gas pump 20 is started, the clean air enters the blowing pipe 17 through the connecting pipe 19 and is blown out through the blowing nozzles 18, the air wall can avoid the dust entering the operation range of the outlet of the nozzle 6, the phenomenon of dust blockage during operation is avoided, and the continuous operation of the dust falling device is ensured.

[0034] In the utility model, the description of the direction and relative position relation of the structure, such as the description of front, back, left, right, up and down, does not constitute the limitation to the utility model, and is only convenient for description.

Claims

1. A dust suppression device for mining, characterised in that: The utility model provides a kind of dust removal device, including mounting frame (1), the rotating cavity is enclosed between the shelf of mounting frame (1), rotatingly mounted with mounting shaft (2) in the inside of rotating cavity, rotating frame (3) is fixedly connected on the shaft of mounting shaft (2), installation cavity (4) is set in the inside of rotating frame (3), nozzle (6) is fixedly connected with equidistance on the nozzle (6) of installation cavity (4), water inlet pipe (13) is installed on the nozzle (5), flow guide assembly is installed in the inside of nozzle (5), rotating shaft (7) is contained in flow guide assembly, rotating shaft (7) is installed in the inside of installation cavity (4) and is located on the upper and lower positions of nozzle (5) symmetrically, flow guide piece (8) is fixedly installed with sleeve on the rod of each rotating shaft (7), dust prevention assembly is installed on rotating frame (3).

2. A dust suppression device for mining according to claim 1, characterised in that: Rotating rod (23) is rotatably installed in the inside of the spray cavity of nozzle (6), the top of rotating rod (23) is stretched out outside through the top of spray cavity inner wall, and rotating knob (25) is fixedly connected, flow guide blade (24) is rotatably installed on the connecting seat of the bottom of rotating rod (23), adjusting rod (26) is slidably installed on the two side plates of rotating frame (3), the sliding position of adjusting rod (26) is located above nozzle (6), rotating groove is set in the rod of adjusting rod (26) and is located directly above nozzle (6), and the rotating end of rotating knob (25) is rotatably connected in rotating groove through pin shaft, one end of adjusting rod (26) passes through the side plate of mounting frame (1) and stretches out outside, when adjusting rod (26) is not operated, the horizontal axis of rotating knob (25) and the horizontal axis of nozzle (6) are located in the same vertical horizontal plane.

3. A dust suppression device for mining according to claim 2, characterised in that: First gear (9) is fixedly sleeved on the section of one end rod of rotating shaft (7), fixed box (10) is installed on one side of rotating frame (3) by bolt, structure cavity is set in the inside of fixed box (10), and small motor (11) is symmetrically installed in the inside of structure cavity, the output shaft end of each small motor (11) is inserted into the inside of installation cavity (4) and is installed with second gear (12) by passing through the plate of rotating frame (3), second gear (12) is engaged with the first gear (9) of corresponding position, when rotating frame (3) drives fixed box (10) to rotate with mounting shaft (2) as center, the rotating track of fixed box (10) does not contact with the plate of mounting frame (1).

4. A dust suppression device for mining according to claim 3, characterised in that: Third gear (14) is fixed on the section of the shaft of mounting shaft (2) away from first gear (9), servo motor (15) is installed on the outer side of the plate of rotating frame (3) close to third gear (14), the output shaft end of servo motor (15) is inserted into rotating cavity and is installed with fourth gear (16), fourth gear (16) is engaged with third gear (14).

5. The dust control device of claim 1, wherein: The dustproof assembly comprises a blowing pipe (17), a blowing nozzle (18) is installed on the blowing pipe (17), the blowing nozzle (18) is installed in a transverse manner and is inclined, the air outlet of the blowing nozzle (18) is inclined towards the nozzle (6), a connecting pipe (19) is installed on the blowing pipe (17), and a gas pump (20) is installed on the connecting pipe (19).

6. A dust suppression device for mining according to claim 5, characterised in that: Symmetrical fixing bases (22) are fixed to the upper and lower end faces of the rotating frame (3), symmetrical installation buckles (21) are installed on the transverse pipe of the blowing pipe (17), and the installation buckles (21) are fixed on the fixing bases (22) through bolts.

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