A coal mine exploitation dust fall spraying device

Abstract

The present application relates to the technical field of coal mining, in particular to a coal mining dust fall spraying device, which comprises a base, the upper end of the base is provided with a horizontal adjusting assembly, the upper end of the horizontal adjusting assembly is provided with a spraying pipe assembly, a driving assembly is fixedly connected to one end of the spraying pipe assembly, a plurality of dust suction assemblies are annularly arranged on the driving assembly, and a top rod triggering assembly is arranged at one end of the driving assembly, gas flows along the spiral air duct to the other end of the air duct from the cavity composed of the air duct, the spiral air duct and the fixed pipe, and flows out from the air outlet of the nozzle, water is sprayed out from the water outlet through the spiral water duct, the gas forms a vortex air flow through the spiral air duct, the contact time of the dust and the atomized water particles is prolonged, the fine dust capture rate is improved, and the separated channel design: the air duct and the fixed pipe are independent cavities to avoid air and water interference, the air outlet and the water outlet of the nozzle are coaxially arranged to make the air flow wrap the water mist spray and expand the coverage radius.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mining, in particular to a dust spraying device for coal mining. BACKGROUND

[0002] Coal mining will produce different degrees of dust and coal dust, coal dust will explode when the conditions are met, causing great loss of personnel and property. At the same time, the generation of coal dust and dust will affect the visibility of the mining environment, the progress of mining operation and the health of the workers;

[0003] The existing patent CN115585009A discloses a spraying device for coal mining, which comprises a water tank, a spraying mechanism is arranged on the upper surface of the water tank, a dust suction mechanism is arranged on the upper part of the spraying mechanism, a water collecting member is arranged on the outer side of the upper surface of the water tank, a water permeable hole is formed on the upper surface of the water tank, a filter layer is arranged on the upper part of the inner cavity of the water tank, the spraying mechanism comprises a pump box and a circular spraying box, and the circular spraying box is fixedly connected with the upper part of the pump box. The present application relates to the technical field of coal mining. The spraying device for coal mining utilizes the power potential of water flow when passing through the turbine groove to make the turbine rotate, so that the dust suction cylinder rotates on the upper part of the circular spraying box, and the gear rotates along the gear ring with the dust suction cylinder, so that the speed changer drives the dust suction fan blade to rotate quickly, and the air inlet of the dust suction cylinder absorbs the dust in the coal mine in 360 degrees, so that the equipment can effectively remove dust in the largest area, and the treatment of dust is further accelerated.

[0004] Most of the existing spraying devices rely on manual or fixed program control, and the area covered by spraying is small, so the dust removal effect is not obvious. SUMMARY

[0005] The present application aims to provide a dust spraying device for coal mining to solve the problems in the background art.

[0006] To achieve the above-mentioned application purposes, the present application adopts the following technical solutions:

[0007] A dust spraying device for coal mining is provided, which comprises a base, a horizontal adjustment assembly is arranged on the upper end of the base, a spraying pipe assembly is arranged on the upper end of the horizontal adjustment assembly, a trigger mechanism is arranged on the upper end of the horizontal adjustment assembly, and a vertical adjustment assembly is arranged on the upper end of the horizontal adjustment assembly.

[0008] The trigger mechanism comprises:

[0009] A driving assembly is fixedly connected to one end of the spraying pipe assembly, a plurality of dust suction assemblies are arranged in a ring shape on the driving assembly, and a top rod trigger assembly is arranged on one end of the driving assembly.

[0010] Further, the transverse adjusting assembly comprises:

[0011] The motor one is fixedly connected to the upper end of the base, the output end of the motor one is fixedly connected with a bevel gear, the base is rotatably connected with a driving shaft, the driving shaft is fixedly connected with a bevel gear, the two bevel gears are engaged, and the upper end of the driving shaft is fixedly connected with the workbench.

[0012] Further, the spraying pipe assembly comprises:

[0013] The air pipe is rotatably connected to the workbench, a plurality of spiral air channels are fixedly connected to the inner wall of the air pipe, a fixed pipe is fixedly connected to the air pipe, the outer sides of the plurality of spiral air channels are fixedly connected to the fixed pipe, the two ends of the fixed pipe are fixedly connected with connectors, the two ends of the plurality of water pipes are fixedly connected with the two connectors respectively, a plurality of spiral water channels are fixedly connected to the inner walls of the plurality of water pipes, one end of the air pipe is fixedly connected with a spray head, an air outlet is formed in the edge of the spray head, and a water outlet is formed in the central position of the spray head.

[0014] Further, the driving assembly comprises:

[0015] The circular ring one is fixedly connected to the other end of the air pipe, a circular tube is fixedly connected to the inner wall of the circular ring one, a plurality of air inlets one are formed in the circular ring one, a mounting groove is formed in the outer edge of the circular ring one, a gear ring is rotatably connected to the mounting groove, the outer edge of the gear ring is engaged with a gear one, and the gear one is fixedly connected to the output end of the motor two.

[0016] Further, the plurality of dust suction assemblies each comprises:

[0017] The dust suction pipe is provided with an air inlet two, a screw conveyor is rotatably connected to the dust suction pipe, the screw conveyor is fixedly connected with a gear two, the gear two is engaged with the gear ring, the screw conveyor is further fixedly connected with a fan blade, a filter screen is fixedly connected to the dust suction pipe, and the screw conveyor is rotatably connected with the filter screen.

[0018] Further, the ejector rod triggering assembly comprises:

[0019] The circular ring two is provided with a plurality of sliding grooves, one end of the dust suction pipe is fixedly connected to the sliding grooves, sliding blocks are slidably connected to the sliding grooves, the sliding blocks are fixedly connected with triangular ejector blocks, one end of the corrugated pipe is fixedly connected to one side of the circular ring two, a connecting ring is fixedly connected to the workbench, a plurality of ejector rods one are slidably connected to the connecting ring, springs are sleeved on the ejector rods one, the ejector rods one are fixedly connected with the triangular ejector blocks at one end, the two triangular ejector blocks abut against each other, and a plurality of press switches are fixedly connected to the connecting ring.

[0020] Further, the longitudinal adjustment assembly comprises:

[0021] The double-cone water pipe is fixedly connected with the other end of the bellows, a hydraulic pipe is connected to the middle position of the double-cone water pipe, a piston is slidably connected in the hydraulic pipe, the piston is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is slidably connected with one end of a second connecting rod, the other end of the second connecting rod is rotatably connected with one end of a third connecting rod, the other end of the third connecting rod is rotatably connected with the air pipe, and the second connecting rod is rotatably connected to the workbench.

[0022] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0023] 1. The gas flows from the cavity composed of the air pipe, the spiral air duct and the fixed pipe to the other end of the air pipe along the spiral air duct, and the water is sprayed from the water outlet through the spiral water duct, the gas forms a vortex air flow through the spiral air duct, the contact time of the fine dust and the atomized water particles is prolonged, the fine dust capture rate is improved, the separation type channel design avoids the air-water interference in the independent cavity of the air pipe and the fixed pipe, the air outlet and the water outlet of the nozzle are coaxially arranged to make the air flow wrap the water mist for spraying, and the coverage radius is expanded.

[0024] 2. With the increase of dust, the dust exerts a pressing force on the sliding block, thereby driving the sliding block to move, and the triangular top block fixedly connected with the sliding block moves, thereby driving the other triangular top block to move the top rod one, and the spring is compressed, when one end of the top rod one abuts against the switches on the left and right sides, the motor one is started to drive the air pipe to rotate leftward or rightward, when the dust on the left and right sides is relatively much, the switches on the left and right sides are simultaneously opened, and the motor one is reversely rotated to drive the air pipe to reciprocatingly rotate leftward and rightward, when the top rod one abuts against the switches on the upper and lower sides, and the sliding block moves to the rightmost end of the dust suction pipe, the dust leaks down from the gap between the sliding block and the right end of the dust suction pipe, the air pipe is deflected upward or downward by increasing or reducing the water flow, and the spraying intensity or direction is dynamically adjusted by sensing the dust concentration and other environmental parameters. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings accompanying the specification constitute part of this application and illustrate exemplary embodiments of the application and together with the description, serve to explain the principles of the application.

[0026] In addition, the terms "mount", "set", "provided with", "connect", "connected", "sleeved" should be broadly understood. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by the person skilled in the art according to the specific circumstances.

[0027] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application;

[0028] Figure 2 It is a front view of the overall three-dimensional structure of the present application;

[0029] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the spray pipe assembly of the present application;

[0030] Figure 4 It is an exploded schematic diagram of the overall three-dimensional structure of the spray pipe assembly of the present application;

[0031] Figure 5 It is a sectional view of the overall three-dimensional structure of the water pipe of the present application;

[0032] Figure 6 It is a sectional view of the overall three-dimensional structure of the air pipe of the present application;

[0033] Figure 7 It is a schematic diagram of the overall three-dimensional structure of the trigger mechanism of the present application;

[0034] Figure 8 It is a schematic diagram of the overall three-dimensional structure of the dust collection assembly of the present application;

[0035] Figure 9 It is an exploded schematic diagram of the overall three-dimensional structure of the dust collection assembly of the present application;

[0036] Figure 10 It is a schematic diagram of the overall three-dimensional structure of the ejector rod trigger assembly of the present application;

[0037] Figure 11 It is an exploded schematic diagram of the overall three-dimensional structure of the ejector rod trigger assembly of the present application;

[0038] Figure 12 It is a schematic diagram of the overall three-dimensional structure of the longitudinal adjustment assembly of the present application;

[0039] Figure 13 It is an exploded schematic diagram of the overall three-dimensional structure of the longitudinal adjustment assembly of the present application

[0040] In the drawings, the parts represented by each reference numeral are listed as follows:

[0041] 1, base;

[0042] 2, transverse adjustment assembly; 21, motor one; 22, bevel gear; 23, driving shaft; 24, workbench;

[0043] 3, spray pipe assembly; 31, air pipe; 32, spiral air duct; 33, fixed pipe; 34, connector; 35, water pipe; 36, spiral water channel; 37, spray head;

[0044] 4, trigger mechanism; 41, drive assembly; 411, ring one; 412, circular tube; 413, gear ring; 414, gear one; 415, motor two; 42, dust suction assembly; 421, dust suction pipe; 4211, air inlet two; 422, auger; 423, gear two; 424, fan blade; 425, filter screen; 43, ejector rod trigger assembly; 431, ring two; 4311, chute; 432, slider; 433, triangular top block; 434, connecting ring; 435, ejector rod one; 436, spring; 437, press switch;

[0045] 5, longitudinal adjustment assembly; 51, double-cone water pipe; 52, hydraulic pipe; 53, piston; 54, connecting rod one; 55, connecting rod two; 56, connecting rod three. DETAILED DESCRIPTION

[0046] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0047] Referring to Figures 1-2 The coal mining dust fall spray device shown in the figure, including the base 1, the base 1 upper end is equipped with transverse adjustment assembly 2, the transverse adjustment assembly 2 upper end is equipped with spray pipe assembly 3, the upper end of the transverse adjustment assembly 2 is equipped with trigger mechanism 4, the upper end of the transverse adjustment assembly 2 is equipped with longitudinal adjustment assembly 5; wherein

[0048] The trigger mechanism 4 comprises:

[0049] The drive assembly 41 is fixedly connected at one end of the spray pipe assembly 3, a plurality of dust suction assemblies 42 are annularly arranged on the drive assembly 41, and the drive assembly 41 is provided with an ejector rod trigger assembly 43 at one end.

[0050] When spraying, water enters the spray pipe assembly 3 through the longitudinal adjusting assembly 5 in sequence and is sprayed from the spray pipe assembly 3, at the same time, the driving assembly 41 drives the dust suction assembly 42 to inhale, air mixed with dust enters the dust suction assembly 42, the driving assembly 41 drives the dust suction assembly 42 to rotate, so that air flows out from one end of the dust suction assembly 42, and dust is pushed to the other end, so that the dust pushes the ejector rod trigger assembly 43.

[0051] The transverse adjusting assembly 2 comprises:

[0052] The motor 21 is fixedly connected to the upper end of the base 1, the output end of the motor 21 is fixedly connected with a bevel gear 22, the base 1 is rotatably connected with a driving shaft 23, the driving shaft 23 is fixedly connected with a bevel gear 22, the two bevel gears 22 are engaged, and the upper end of the driving shaft 23 is fixedly connected with a workbench 24.

[0053] The motor drives a bevel gear 22 fixedly connected thereto to rotate, the two bevel gears 22 are engaged to drive the driving shaft 23 to rotate, and the workbench 24 is driven to rotate by the rotation of the driving shaft 23.

[0054] Referring to Figures 3-6 The spray pipe assembly 3 comprises:

[0055] The air pipe 31 is rotatably connected to the workbench 24, a plurality of spiral air ducts 32 are fixedly connected to the inner wall of the air pipe 31, a fixed pipe 33 is fixedly connected in the air pipe 31, the outer sides of the plurality of spiral air ducts 32 are fixedly connected with the fixed pipe 33, the fixed pipe 33 is fixedly connected with a connector 34 at both ends, the two connectors 34 are respectively fixedly connected with both ends of a plurality of water pipes 35, a plurality of spiral water channels 36 are fixedly connected to the inner walls of the plurality of water pipes 35, a spray head 37 is fixedly connected to one end of the air pipe 31, an air outlet is formed at the edge of the spray head 37, and a water outlet is formed at the central position of the spray head 37.

[0056] Gas flows along the spiral air duct 32 from the cavity composed of the air pipe 31, the spiral air duct 32 and the fixed pipe 33 to the other end of the air pipe 31, and flows out from the air outlet of the spray head 37, and water is sprayed out from the water outlet through the spiral water channel 36.

[0057] Referring to Figure 7 The driving assembly 41 comprises:

[0058] A circular ring one 411 is fixedly connected with the other end of the air pipe 31, an inner wall of the circular ring one 411 is fixedly connected with a circular pipe 412, a plurality of air inlets one are arranged on the circular ring one 411, an installation groove is arranged on the outer side edge of the circular ring one 411, a gear ring 413 is rotatably connected in the installation groove, the outer side edge of the gear ring 413 is engaged with a gear one 414, and the gear one 414 is fixedly connected with the output end of a motor two 415.

[0059] Water enters the spiral water channel 36 of the water pipe 35 from the circular pipe 412, the motor two 415 is started to drive the gear one 414 fixedly connected with the motor two 415 to rotate, and then the gear ring 413 rotates.

[0060] Referring to Figures 8-9 Fig. 5, each of the plurality of dust suction assemblies 42 comprises:

[0061] A dust suction pipe 421 is provided with an air inlet two 4211, an auger 422 is rotatably connected in the dust suction pipe 421, a gear two 423 is fixedly connected to one end of the auger 422, the gear two 423 is engaged with the gear ring 413, a fan blade 424 is also fixedly connected to one end of the auger 422, a filter screen 425 is fixedly connected in the dust suction pipe 421, and the auger 422 is rotatably connected with the filter screen 425.

[0062] The gear ring 413 rotates to drive the gear two 423 engaged therewith to rotate, and then the fan blade 424 rotates, so that air containing dust enters the dust suction pipe 421 from the air inlet two 4211, the air containing dust flows to the spiral air duct 32 through the action of the fan blade 424, the dust is filtered through the action of the filter screen 425, and then the dust is transported to the other end of the dust suction pipe 421 through the action of the auger 422.

[0063] Referring to Figures 10-11 Fig. 5, the top rod triggering assembly 43 comprises:

[0064] A circular ring two 431 is provided with a plurality of sliding grooves 4311, one end of the dust suction pipe 421 is fixedly connected to the sliding grooves 4311, sliding blocks 432 are slidably connected in the sliding grooves 4311, the sliding blocks 432 are fixedly connected with a triangular top block 433, one side of the circular ring two 431 is fixedly connected with one end of a bellows, a connecting ring 434 is fixedly connected to the workbench 24, a plurality of top rods one 435 are slidably connected to the connecting ring 434, springs 436 are sleeved on the top rods one 435, the top rods one 435 are fixedly connected with the triangular top block 433 at one end, the two triangular top blocks 433 abut, and a plurality of press switches 437 are fixedly connected to the connecting ring 434.

[0065] With the increase of dust, the dust generates extrusion force to the sliding block 432, and then pushes the sliding block 432 to move, and the triangular block 433 fixedly connected with the sliding block 432 moves, and then the other triangular block 433 drives the top rod 435 to move, and the spring 436 is compressed, when one end of the top rod 435 is pushed to the switches on the left and right sides, the motor 21 is started, and the air pipe 31 rotates to the left or the right, when the top rod 435 is pushed to the switches on the upper and lower sides, the water flow is increased or reduced to control the air pipe 31 to deflect upward or downward.

[0066] Referring to Figures 12-13 The longitudinal adjusting assembly 5 comprises:

[0067] The double-cone water pipe 51 is fixedly connected with the other end of the bellows, a hydraulic pipe 52 is connected to the middle position of the double-cone water pipe 51, a piston 53 is slidably connected in the hydraulic pipe 52, one end of the piston 53 is fixedly connected with a connecting rod 54, the other end of the connecting rod 54 is slidably connected with one end of a connecting rod 55, the other end of the connecting rod 55 is rotatably connected with one end of a connecting rod 56, the other end of the connecting rod 56 is rotatably connected with the air pipe 31, and the connecting rod 55 is rotatably connected with the workbench 24.

[0068] When water passes through the middle position of the double-cone water pipe 51, the flow rate is increased, the air pressure below the piston 53 in the hydraulic pipe 52 is low, the liquid above the piston 53 pushes the piston 53 to move downward, and then drives the connecting rod 54 to move downward, so that the connecting rod 55 rotates, and then the connecting rod 55 drives the connecting rod 56 to deflect, and the connecting rod 56 drives the air pipe 31 to rotate.

[0069] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified and limited, it should be explained that the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, or indirect connection through intermediate medium, and the specific meaning of the above terms can be understood by the person skilled in the art according to the specific circumstances.

[0070] The above merely preferred embodiments of the present application are not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A coal mine with dust spray device, it is characterized in being: Including base (1), the upper end of base (1) is equipped with transverse adjustment assembly (2), the upper end of transverse adjustment assembly (2) is equipped with spray pipe assembly (3), the upper end of transverse adjustment assembly (2) is equipped with trigger mechanism (4), the upper end of transverse adjustment assembly (2) is equipped with longitudinal adjustment assembly (5);Wherein The trigger mechanism (4) includes: Drive assembly (41), drive assembly (41) is fixedly connected at one end of spray pipe assembly (3), a plurality of dust suction components (42) are arranged annularly on drive assembly (41), one end of drive assembly (41) is equipped with top rod trigger assembly (43); The transverse adjustment assembly (2) includes: Motor one (21), motor one (21) is fixedly connected at the upper end of base (1), the output end of motor one (21) is fixedly connected with a bevel gear (22), the base (1) is rotatably connected with a driving shaft (23), the driving shaft (23) is fixedly connected with a bevel gear (22), two bevel gears (22) are engaged, the driving shaft (23) is fixedly connected with a workbench (24) at the upper end; The spray pipe assembly (3) includes: Air pipe (31), air pipe (31) is rotatably connected on workbench (24), a plurality of spiral air ducts (32) are fixedly connected on the inner wall of air pipe (31), fixed pipe (33) is fixedly connected in air pipe (31), the outer side of a plurality of spiral air ducts (32) is fixedly connected with fixed pipe (33), connector (34) is fixedly connected at both ends of fixed pipe (33), two connector (34) are respectively fixedly connected with the both ends of a plurality of water pipes (35), a plurality of spiral water channels (36) are fixedly connected on the inner wall of a plurality of water pipes (35), one end of air pipe (31) is fixedly connected with spray head (37), air outlet is formed at the edge of spray head (37), water outlet is formed at the center position of spray head (37); The drive assembly (41) includes: Round ring one (411), round ring one (411) is fixedly connected with the other end of air pipe (31), circular tube (412) is fixedly connected on the inner wall of round ring one (411), a plurality of air inlets one are formed on round ring one (411), mounting groove is formed on the outer side edge of round ring one (411), gear ring (413) is rotatably connected in mounting groove, the outer side edge of gear ring (413) is engaged with gear one (414), gear one (414) is fixedly connected with the output end of motor two (415); A plurality of dust suction components (42) include: A dust suction pipe (421) is provided with an air inlet two (4211), a spiral (422) is rotatably connected in the dust suction pipe (421), one end of the spiral (422) is fixedly connected with a gear two (423), the gear two (423) is engaged with a gear ring (413), one end of the spiral (422) is also fixedly connected with a fan blade (424), a filter screen (425) is fixedly connected in the dust suction pipe (421), and the spiral (422) is rotatably connected with the filter screen (425); The ejector rod triggering assembly (43) comprises: A circular ring two (431) is provided with a plurality of sliding grooves (4311), one end of the dust suction pipe (421) is fixedly connected on the sliding grooves (4311), sliding grooves (4311) are slidably connected with sliding blocks (432), the sliding blocks (432) are fixedly connected with a triangular ejector rod (433), one side of the circular ring two (431) is fixedly connected with one end of the bellows, the workbench (24) is fixedly connected with a connecting ring (434), a plurality of ejector rods one (435) are slidably connected on the connecting ring (434), the ejector rods one (435) are provided with springs (436), one end of the ejector rods one (435) is fixedly connected with the triangular ejector rod (433), the two triangular ejector rods (433) are abutted, and a plurality of press switches (437) are fixedly connected on the connecting ring (434).

2. The dust spraying device for coal mining of claim 1, wherein: The longitudinal adjusting assembly (5) comprises: A double-cone water pipe (51) is fixedly connected with the other end of the bellows, a hydraulic pipe (52) is connected to the middle position of the double-cone water pipe (51), a piston (53) is slidably connected in the hydraulic pipe (52), the piston (53) is fixedly connected with one end of a connecting rod one (54), the other end of the connecting rod one (54) is slidably connected with one end of a connecting rod two (55), the other end of the connecting rod two (55) is rotatably connected with one end of a connecting rod three (56), the other end of the connecting rod three (56) is rotatably connected with the air pipe (31), and the connecting rod two (55) is rotatably connected on the workbench (24).

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