Water mist dust removal system of drilling machine

Abstract

The water mist dust removal system comprises a drilling machine body, an air compression structure, a water supply structure and a control structure, one end of the drilling machine body is movably connected with a drill bit assembly, an air outlet hole is formed in the direction, facing the ground, of the drill bit assembly, and the drill bit assembly is provided with a driving channel; the air compression structure is used for generating compressed air, and the compressed air is conveyed to the driving channel through a compressed air pipe; the water supply structure is arranged on the drilling machine body and comprises a waterway pressurization assembly, a waterway and a water storage tank, the waterway is connected with the compressed air pipe, water is pressurized by the waterway pressurization assembly to form high-pressure water, and the high-pressure water enters the compressed air pipe through the waterway to form water mist at the air outlet; the control structure is arranged in a cab, electrically connected with the water path pressurization assembly and the air compression structure and used for controlling operation of the water path pressurization assembly and the air compression structure. And water mist is adsorbed on dust during drilling, so that the diffusion range of the dust is reduced, and the harm of the dust to human bodies is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of drilling rig technology, especially relate to a drilling rig water mist dust removal system. BACKGROUND

[0002] The down-the-hole drill rig can be used in drilling and boring construction of rock anchor hole, anchor rod hole, blasting hole, grouting hole and the like in city building, railway, highway, riverway, water and electricity engineering.

[0003] When the open down-the-hole drill rig is used to bore holes in dry weather, a large amount of dust overflows from the hole, causing excessive dust on the working surface and affecting the health of workers. In order to reduce dust hazards, the existing technology adds a water mist dust removal device in the drilling system, but the pressure is small, the area of the formed water mist is small, and the amount of covered dust is small. However, a large area of water mist is easy to cause waste of water resources. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a drilling rig water mist dust removal system, which can reduce dust around the drill bit assembly in the working area of the drilling rig, avoid dust overflowing from the hole, reduce the harm of dust to the human body, and save water resources.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that:

[0006] A drilling rig water mist dust removal system, comprising:

[0007] A drilling rig main body, one end of the drilling rig main body is movably connected with a drill bit assembly, an air outlet hole is formed in the direction of the ground of the drill bit assembly, and the drill bit assembly is provided with a driving channel;

[0008] An air compression structure for generating compressed air, which is transported to the driving channel through a compressed air pipe;

[0009] A water supply structure provided on the drilling rig main body, comprising a waterway pressurizing assembly, a waterway and a water storage tank, the waterway is connected with the compressed air pipe, water is pressurized by the waterway pressurizing assembly to form high-pressure water, and then enters the compressed air pipe through the waterway to form water mist at the air outlet hole; and

[0010] A control structure provided in the cab, which is electrically connected with the waterway pressurizing assembly and the air compression structure, and is used for controlling the operation of the waterway pressurizing assembly and the air compression structure.

[0011] Preferably, the water route pressurizing assembly comprises a wave inverter, an electric high-pressure water pump and an alternating current contactor, the alternating current contactor is electrically connected with the wave inverter and the electric high-pressure water pump, and controls the operation of the wave inverter and the electric high-pressure water pump, and the wave inverter is used for adjusting voltage.

[0012] Preferably, the water route comprises a water inlet pipe and a high-pressure water outlet pipe, the water inlet pipe is connected with the electric high-pressure water pump and the water storage tank, water passes through the electric high-pressure water pump to form high-pressure water through the water inlet pipe, and the high-pressure water enters the compressed air pipe through the high-pressure water outlet pipe.

[0013] Preferably, the water route pressurizing assembly further comprises an electronic proportional valve, the electronic proportional valve is electrically connected with the control structure, and the electronic proportional valve is arranged on the high-pressure water outlet pipe and used for adjusting the high-pressure water flow.

[0014] Preferably, the water route pressurizing assembly further comprises a handheld voltage and current signal generator, the handheld voltage and current signal generator is electrically connected with the electronic proportional valve and used for controlling the operation of the electronic proportional valve.

[0015] Preferably, the air compression structure comprises an engine, an air compressor and an oil-gas separator, the engine drives the air compressor to generate compressed air, and the compressed air is purified through the oil-gas separator.

[0016] Preferably, the drilling machine body is provided with a mounting seat used for mounting the water route pressurizing assembly, and the mounting seat is in a "┴" structure.

[0017] Preferably, a protective cover is further arranged, the protective cover covers the side of the water route pressurizing assembly and is used for protecting the water route pressurizing assembly.

[0018] Compared with the prior art, the drilling machine water mist dust removal system has the advantages that:

[0019] The high-pressure water after pressurization is introduced into the high-pressure air pipe, mixed into the driving channel of the drill head assembly, reaches the air outlet hole of the drill head assembly along the driving channel, and is atomized by using air pressure change, so that the water mist is adsorbed on dust during drilling, dust in the working area of the drilling machine is removed, dust overflow from the hole is avoided, the diffusion range of dust is reduced, the dust removal effect is achieved, the requirements of health and environmental protection are met, the harm of dust to human body is reduced, the harm to the equipment working on the working face is effectively reduced, and water resources are saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the flowchart of the drilling machine water mist dust removal system of the utility model;

[0021] Figure 2 is the structural schematic view of the water supply structure of the drilling machine water mist dust removal system of the utility model;

[0022] Figure 3 is the main body structure schematic view of the drilling machine water mist dust removal system of the utility model;

[0023] Figure 4 is the internal passage schematic view of the drill assembly of the drilling machine water mist dust removal system of the utility model.

[0024] In the drawings, 1-drilling machine main body, 11-drill assembly, 111-air outlet hole, 2-air compression structure, 21-engine, 22-air compressor, 23-oil-gas separator, 3-water supply structure, 31-waterway pressurization assembly, 311-UC inverters, 312-electric high-pressure water pump, 313-AC contactor, 314-electronic proportional valve, 315-handheld voltage and current signal generator, 32-waterway, 321-water inlet pipe, 322-high-pressure water outlet pipe, 33-water storage tank, 331-water filling port, 4-compressed air pipe, 5-mounting seat, 6-cab. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the drawings to make further detailed description on the utility model embodiment mode.

[0026] The following description of the drawings refers to the accompanying drawings, in which the same numbers in different drawings represent the same or similar elements unless otherwise represented. The implementations described in the following example embodiments are not meant to represent all implementations consistent with the utility model. Rather, they are merely examples of some implementations consistent with the utility model as detailed in the appended claims.

[0027] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise specified, "multiple" means two or more than two. "And / or", the association between the associated objects, means that there can be three kinds of relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents that the associated objects before and after are a kind of "or" relationship.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0029] To solve the above problems, please refer to Figures 1 to 4 The utility model provides a drilling machine water mist dust removal system, including drilling machine main body 1, air compression structure 2, water supply structure 3 and control structure, one end of drilling machine main body 1 swing joint has drill head subassembly 11, the direction of the ground is opened to the air outlet hole 111 of drill head subassembly 11, drill head subassembly 11 is opened to drive passage, air compression structure 2 is used to produce compressed air, and compressed air is transported to drive passage through compressed air pipe 4, water supply structure 3 sets up in drilling machine main body 1, water supply structure 3 includes waterway pressurization subassembly 31, waterway and water storage tank 33, waterway is connected with compressed air pipe 4, and water is pressurized to form high pressure water through waterway pressurization subassembly 31 and enters compressed air pipe 4 through waterway, and forms water mist in air outlet hole 111, control structure sets up in cab 6, control structure is electrically connected with waterway pressurization subassembly 31 and air compression structure 2, and is used for controlling the operation of waterway pressurization subassembly 31 and air compression structure 2.In this embodiment, the capacity of water storage tank 33 is 80L, and the large capacity meets the water quantity required for dust fall, and frequent water filling is not needed, and a water level monitor for observing water level can be arranged on water storage tank 33, and water storage tank 33 is provided with a water inlet 331, and water storage tank 33 is filled with water through the water inlet 331.

[0030] In optional embodiments, as shown in Figure 1 And Figure 2 Waterway pressurization subassembly 31 includes wave inverter 311, electric high pressure water pump 312 and AC contactor 313, AC contactor 313 is electrically connected with wave inverter 311 and electric high pressure water pump 312, and controls the operation of wave inverter 311 and electric high pressure water pump 312, and wave inverter 311 is used to adjust voltage. Specifically, wave inverter 311 converts 24V DC voltage into 220V AC voltage for electric high pressure water pump 312, and electric high pressure water pump 312 can pressurize water to 8MPa, and its flow rate can reach 8L / min.

[0031] In optional embodiments, as shown in Figure 2As shown, the water path includes a water inlet pipe 32 water path; 321 and a high-pressure water outlet pipe 322, the water inlet pipe 32 water path; 321 connects the electric high-pressure water pump 312 and the water storage tank 33, and the water passes through the electric high-pressure water pump 312 to form high-pressure water, and enters the compressed air pipe 4 through the high-pressure water outlet pipe 322. Specifically, the compressed air pipe 4 and the high-pressure water outlet pipe 322 are connected by a three-way joint, so that the high-pressure water and the compressed air are mixed into the driving channel of the drill bit assembly 11, the compressed air drives the drill bit assembly 11 to work, and the high-pressure water reaches the air outlet hole 111 along the driving channel, and the air pressure change of the air outlet hole 111 makes the water atomized, and the water mist is adsorbed on the dust during drilling, achieving the effect of dust reduction; further, the high-pressure water outlet pipe 322 extends to the high-pressure air pipe, and part of the high-pressure water outlet pipe 322 is fixedly arranged on the drill rod and the swing arm of the drilling machine main body 1.

[0032] In an optional embodiment, as shown in Figure 1 As shown, the water path pressurizing assembly 31 further includes an electronic proportional valve 314, the electronic proportional valve 314 is electrically connected with the control structure, and the electronic proportional valve 314 is arranged on the high-pressure water outlet pipe 322 and used for adjusting the high-pressure water flow. Specifically, according to the dust degree, the water outlet amount is controlled to achieve the effect of dust reduction and the effect of saving water resources.

[0033] In an optional embodiment, as shown in Figure 1 As shown, the water path pressurizing assembly 31 further includes a handheld voltage and current signal generator 315, the handheld voltage and current signal generator 315 is electrically connected with the electronic proportional valve 314 and used for controlling the operation of the electronic proportional valve 314. Specifically, the worker carries the handheld voltage and current signal generator 315 to adjust the high-pressure water flow at any time according to the construction condition, so as to achieve the purpose of covering dust and saving water resources.

[0034] In an optional embodiment, as shown in Figure 1 As shown, the air compression structure 2 includes an engine 21, an air compressor 22 and an oil-gas separator 23, the engine 21 drives the air compressor 22 to generate compressed air, and the compressed air is purified by the oil-gas separator 23. Specifically, the oil-gas separator 23 is connected to the output end of the air compressor 22 to separate the oil and solid particles and other impurities carried in the air, so as to ensure the purity and quality of the compressed air and further avoid damage to the drill bit assembly 11 caused by impurities.

[0035] In an optional embodiment, as shown in Figure 2As shown, the drilling machine body 1 is provided with a mounting seat 5 for mounting the waterway pressurizing assembly 31, and the mounting seat 5 is in a "┴" structure.

[0036] In an optional embodiment, a protective cover is further included, which covers the side of the waterway pressurizing assembly 31 and is used for protecting the waterway pressurizing assembly 31.

[0037] In summary, by passing the pressurized high-pressure water into the high-pressure air pipe and mixing into the drive channel of the drill bit assembly 11, the water is atomized by the change of air pressure, and the water mist is adsorbed on the dust during drilling, achieving the dust reduction effect.

[0038] In the drawings of the present embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present utility model, and for ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0039] The above is only a preferred embodiment of the present utility model, and is not used to limit the present utility model, and any modification, equivalent replacement and improvement made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A drilling rig water mist dust removal system, characterized in that: include: A drill rig body, one end of which is movably connected to a drill bit assembly, the drill bit assembly having an air outlet opening facing the ground and a drive channel; An air compression structure is used to generate compressed air, and the compressed air is transported to the driving channel through a compressed air pipe; A water supply structure is provided on the drilling rig body and includes a waterway pressurizing assembly, a waterway, and a water storage tank. The waterway is connected to the compressed air pipe. Water is pressurized by the waterway pressurizing assembly to form high-pressure water, and enters the compressed air pipe through the waterway to form water mist at the air outlet; and A control structure is provided in the cab, and is electrically connected to the waterway pressurizing assembly and the air compression structure, and is used to control the operation of the waterway pressurizing assembly and the air compression structure.

2. The drilling rig water mist dust removal system according to claim 1, characterized in that: The water channel pressurizing component includes a Xuanbo inverter, an electric high-pressure water pump and an AC contactor. The AC contactor is electrically connected to the Xuanbo inverter and the electric high-pressure water pump, and controls the operation of the Xuanbo inverter and the electric high-pressure water pump. The Xuanbo inverter is used to adjust the voltage.

3. The drilling rig water mist dust removal system according to claim 1, characterized in that: The water circuit includes a water inlet pipe and a high-pressure water outlet pipe. The water inlet pipe connects the water circuit pressurizing component and the water tank. Water passes through the water inlet pipe and the water circuit pressurizing component to form high-pressure water, and enters the compressed air pipe through the high-pressure water outlet pipe.

4. The drilling rig water mist dust removal system according to claim 1, characterized in that: The water channel pressurizing component further includes an electronic proportional valve, which is electrically connected to the control structure and is disposed in the water channel for regulating the high-pressure water flow.

5. The drilling rig water mist dust removal system according to claim 4, characterized in that: The waterway pressurizing assembly further includes a handheld voltage and current signal generator, which is electrically connected to the electronic proportional valve for controlling the operation of the electronic proportional valve.

6. The drilling rig water mist dust removal system according to claim 1, characterized in that: The air compression structure includes an engine, an air compressor and an oil-gas separator. The engine drives the air compressor to generate compressed air, and the compressed air is purified by passing through the oil-gas separator.

7. The drilling rig water mist dust removal system according to claim 1, characterized in that: The drilling rig body is provided with a mounting seat for mounting the waterway pressurizing assembly, and the mounting seat is in a "┴" structure.

8. The drilling rig water mist dust removal system according to claim 1, characterized in that: It also includes a protective cover, which is arranged on the peripheral side of the water channel pressurizing component and is used to protect the water channel pressurizing component.

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