Eye opening dust catching device of anchor rod drilling machine

By installing a dust collection device at the eye of the anchor drill and using water mist to capture dust, the problem of dust hazards during dry drilling is solved, and safety and production efficiency are improved.

CN223305702UActive Publication Date: 2025-09-05NINGXIA WANGWA COAL IND CO LTD
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Patent Information

Application Number
CN202422852232.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-09-05
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

During the dry drilling process, the anchor drill generates a large amount of dust at the eye, which harms the health of miners and increases the risk of explosion. Existing technology is difficult to effectively prevent and control.

Method used

A dust collecting device for the eye of an anchor drill is designed. The device is hung on a steel net near the eye of the anchor drill through a hook, the connecting pipe is connected to a water source, and the nozzle sprays water mist to capture dust into the dust collecting cylinder to achieve dust reduction and collection.

Benefits of technology

Effectively reduce the dust around the eye of the anchor drill, improve the working environment, reduce the risk of explosion, improve the level of safe production, and reduce downtime and disease occurrence.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anchor rod drilling machine eye opening dust catching device, which relates to the technical field of mining dust removal and comprises a dust catching cylinder and an annular pipe body, the annular pipe body is arranged at the bottom inside the dust catching cylinder, a spray head is arranged above the annular pipe body, a drill rod eye hole is arranged in the middle of the bottom inside the dust catching cylinder, and the drill rod eye hole is communicated with the annular pipe body. A hook is arranged at the edge of the top of the dust catching barrel; a connecting pipe body is arranged below one side of the dust catching cylinder, the connecting pipe body is L-shaped, the upper end of the connecting pipe body is communicated with the annular pipe body, and a first connector is arranged at the lower end of the connecting pipe body; the dust collecting device is hung on a steel net near an eye opening of the jumbolter through the hook, the jumbolter can drill holes through the drill rod eye hole, in the process, the connecting pipe body is communicated with a water source, enters the annular pipe body and is sprayed out from the spray head, the effects of collecting and falling dust at the eye opening are achieved, and coal and rock powder are collected into the dust collecting cylinder; coal and rock powder around the hole opening of the jumbolter is effectively reduced, and the working environment is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mining dust removal, in particular to a dust collecting device for an eye of an anchor drill. Background Art

[0002] The coal industry is developing rapidly, with increasing levels of mechanization, automation, and intelligence. To ensure the health of workers, a safe and high-quality working environment, and high-quality production, underground dust prevention and control has also reached a new level.

[0003] However, in some areas, due to the influence of coal seam lithology (mudstone), wet drilling encounters mudstone, resulting in drill sticking and anchor failure, which brings serious difficulties to wet drilling support. Therefore, dry drilling can only be used. A large amount of dust will be generated during the dry drilling process. This dust not only endangers the health of miners and easily causes occupational diseases such as pneumoconiosis, but also increases the risk of coal mine explosions, posing a serious threat to safe production. Therefore, dust prevention and control has become a technical problem that needs to be solved urgently in the current development. Therefore, the utility model proposes a dust collection device at the eye of an anchor drill to solve the problems existing in the existing technology. Utility Model Content

[0004] In response to the above problems, the utility model proposes a dust collecting device for the eye of an anchor drill rig, which is hung on a steel net near the eye of the anchor drill rig through a hook, and is used for the anchor drill rig to drill holes through the drill rod eyelet. During this process, the connecting pipe body is connected to the water source, enters the annular pipe body, and is sprayed out from the nozzle, thereby achieving the effect of collecting and reducing dust at the eye, capturing coal and rock powder into the inside of the dust collecting cylinder, effectively reducing the coal and rock powder around the eye of the anchor drill rig, and improving the working environment.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a dust collecting device for an eye of an anchor drill, comprising a dust collecting cylinder and an annular tube body, the annular tube body being arranged at the bottom of the interior of the dust collecting cylinder, and a nozzle being provided above the annular tube body, a drill rod eyelet being provided at the middle position of the bottom of the interior of the dust collecting cylinder, and a hook being provided at the edge of the top of the dust collecting cylinder;

[0006] A connecting pipe body is provided below one side of the dust collecting cylinder, and the connecting pipe body is L-shaped. The upper end of the connecting pipe body is communicated with the annular pipe body, and the lower end of the connecting pipe body is provided with a first joint.

[0007] A further improvement is that: the nozzles are provided in at least four groups, and the four groups of nozzles are arranged at equal angles around the center of the annular tube body, and a flow-uniforming film is provided inside the nozzles.

[0008] A further improvement is that: the hooks are provided in at least four groups, and the four groups of hooks are arranged at equal angles around the center of the dust collecting cylinder.

[0009] A further improvement is that the bottom of the dust collecting cylinder is semicircular, and the center of the bottom of the dust collecting cylinder is raised upward.

[0010] A further improvement is that the first connector is used to connect to a water supply hose, and the water supply hose is used to connect to a water supply switch.

[0011] Further improvements are: the first connector is used to connect the extension tube body, and the lower end of the extension tube body is provided with a second connector, the upper end of the outer side of the extension tube body is provided with an external thread, and the external thread is adapted to the threads of the first connector and the second connector, the second connector is also used to connect the water supply hose, and the water supply hose is used to connect the water supply switch.

[0012] A further improvement is that: an outer spiral tube head is provided on the annular tube body, and the outer spiral tube head and the annular tube body are formed as one piece, and the nozzle is threadedly installed on the outer spiral tube head.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model is hung on the steel net near the eye of the anchor drill through a hook, and the anchor drill is drilled through the eye of the drill rod. During this process, the connecting pipe body is connected to the water source, enters the annular pipe body, and is sprayed out from the nozzle, thereby achieving the effect of dust collection and dust reduction at the eye, capturing coal and rock powder into the interior of the dust collecting cylinder, effectively reducing the coal and rock powder around the eye of the anchor drill, improving the working environment, and also reducing explosions and fire accidents caused by coal and rock powder, thereby improving the safety production level of coal mines, increasing the continuous operation time of the anchor drill, reducing the downtime caused by cleaning and maintenance of equipment, and reducing the occurrence of miners' diseases.

[0015] 2. According to the function of adapting the external thread to the threads of the first joint and the second joint, the utility model can connect multiple sets of extension pipe bodies under the connecting pipe body as needed, thereby adapting to the dust collection needs of different heights.

[0016] 3. The nozzle of the utility model is installed with the annular tube body through the outer screw thread, which can be quickly replaced and repaired after the nozzle is blocked, and has diversified functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of the utility model;

[0018] Figure 2 This is a schematic diagram of the extension tube body of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation of the nozzle of the present invention.

[0020] Among them: 1. Dust collecting cylinder; 2. Ring tube body; 3. Nozzle; 4. Drill rod eyelet; 5. Hook; 6. Connecting tube body; 7. First joint; 8. Extension tube body; 9. Second joint; 10. External thread; 11. External screw head. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0022] Example 1

[0023] according to Figure 1 、 2 As shown in Figures 3 and 4, this embodiment provides a dust collecting device for an eye of an anchor drill, comprising a dust collecting cylinder 1 and an annular tube 2. The annular tube 2 is provided at the bottom of the dust collecting cylinder 1, and a nozzle 3 is provided above the annular tube 2. A drill rod eyelet 4 is provided at the middle position of the bottom of the dust collecting cylinder 1, and a hook 5 is provided at the edge of the top of the dust collecting cylinder 1.

[0024] A connecting pipe body 6 is provided below one side of the dust collecting cylinder 1 , and the connecting pipe body 6 is L-shaped. The upper end of the connecting pipe body 6 is communicated with the annular pipe body 2 , and the lower end of the connecting pipe body 6 is provided with a first joint 7 .

[0025] At least four groups of nozzles 3 are provided, and the four groups of nozzles 3 are arranged at equal angles around the center of the annular tube body 2. A uniform flow membrane is provided inside the nozzles 3. During use, the nozzles 3 are hung on a steel mesh near the eye of the anchor drill rig via a hook 5, and the anchor drill rig is fed through the drill rod eyelet 4 (with a diameter of 25 mm). During this process, water is connected to the connecting pipe body 6, enters the annular tube body 2, and is sprayed out from the nozzles 3, achieving the effect of collecting and reducing dust at the eye, capturing coal and rock dust into the dust collection cylinder 1, effectively reducing coal and rock dust around the eye of the anchor drill rig, improving the working environment, and also reducing explosions and fires caused by coal and rock dust, thereby improving the safety level of coal mines, increasing the continuous operation time of the anchor drill rig, reducing downtime caused by cleaning and maintenance of equipment, and reducing the incidence of miner diseases.

[0026] The hooks 5 are provided in four groups, and the four groups of hooks 5 are arranged at equal angles around the center of the dust collecting cylinder 1. The nozzle 3 can be an atomizing nozzle, and the water mist is sprayed more evenly in four directions to achieve the effect of dust reduction.

[0027] The dust collecting cylinder 1 has a semicircular bottom with an upward bulge at its center. The 230mm-high dust collecting cylinder 1 has a semicircular bottom (with an upward bulge at its center), forming a dust collection bin. A drainage device is installed at the lowest point of the bin to collect the collected coal powder. This prevents coal slurry from flowing into the roadway, causing floor heave and polluting the working environment.

[0028] The first connector 7 is used to connect to a water supply hose, which is in turn connected to a water supply switch. When in use, the hook 5 is hung on a steel mesh near the eye of the anchor drill, and the anchor drill is drilled through the drill rod eye 4. During this process, the connecting pipe body 6 is connected to the water source through the first connector 7, enters the annular pipe body 2, and is sprayed out from the nozzle 3, achieving the effect of collecting and reducing dust at the eye.

[0029] The annular tube body 2 is provided with an outer spiral tube head 11, and the outer spiral tube head 11 is integrally formed with the annular tube body 2, and the nozzle 3 is threadedly mounted on the outer spiral tube head 11. The nozzle 3 is threadedly mounted on the annular tube body 2 through the outer spiral tube head 11, and the nozzle 3 can be quickly replaced and repaired if it is blocked, and the function is diversified.

[0030] Example 2

[0031] according to Figure 1 、 2 As shown in Figures 3 and 4, this embodiment provides a dust collecting device for an eye of an anchor drill, comprising a dust collecting cylinder 1 and an annular tube 2. The annular tube 2 is provided at the bottom of the dust collecting cylinder 1, and a nozzle 3 is provided above the annular tube 2. A drill rod eyelet 4 is provided at the middle position of the bottom of the dust collecting cylinder 1, and a hook 5 is provided at the edge of the top of the dust collecting cylinder 1.

[0032] A connecting pipe body 6 is provided below one side of the dust collecting cylinder 1 , and the connecting pipe body 6 is L-shaped. The upper end of the connecting pipe body 6 is communicated with the annular pipe body 2 , and the lower end of the connecting pipe body 6 is provided with a first joint 7 .

[0033] At least four groups of nozzles 3 are provided, and the four groups of nozzles 3 are arranged at equal angles around the center of the annular tube body 2. A uniform flow membrane is provided inside the nozzles 3. During use, the nozzles 3 are hung on a steel mesh near the eye of the anchor drill rig via a hook 5, and the anchor drill rig is fed through the drill rod eyelet 4 (with a diameter of 25 mm). During this process, water is connected to the connecting pipe body 6, enters the annular tube body 2, and is sprayed out from the nozzles 3, achieving the effect of collecting and reducing dust at the eye, capturing coal and rock dust into the dust collection cylinder 1, effectively reducing coal and rock dust around the eye of the anchor drill rig, improving the working environment, and also reducing explosions and fires caused by coal and rock dust, thereby improving the safety level of coal mines, increasing the continuous operation time of the anchor drill rig, reducing downtime caused by cleaning and maintenance of equipment, and reducing the incidence of miner diseases.

[0034] The hooks 5 are provided in four groups, and the four groups of hooks 5 are arranged at equal angles around the center of the dust collecting cylinder 1. The nozzle 3 can be an atomizing nozzle, and the water mist is sprayed more evenly in four directions to achieve the effect of dust reduction.

[0035] The dust collecting cylinder 1 has a semicircular bottom with an upward bulge at its center. The 230mm-high dust collecting cylinder 1 has a semicircular bottom (with an upward bulge at its center), forming a dust collection bin. A drainage device is installed at the lowest point of the bin to collect the collected coal powder. This prevents coal slurry from flowing into the roadway, causing floor heave and polluting the working environment.

[0036] The first connector 7 is used to connect to the extension tube 8, and the lower end of the extension tube 8 is provided with a second connector 9. The upper end of the outer side of the extension tube 8 is provided with an external thread 10, and the external thread 10 is threadedly adapted to the first connector 7 and the second connector 9. The second connector 9 is also used to connect to the water supply hose, and the water supply hose is used to connect to the water supply switch. During use, based on the threaded adaptation of the external thread 10 to the first connector 7 and the second connector 9, multiple groups of extension tubes 8 are connected as needed below the connecting tube 6 to adapt to the dust collection needs at different heights. The second connector 9 is connected to the water source, and the water enters the extension tube 8 and the connecting tube 6, reaches the annular tube 2, and is sprayed out from the nozzle 3 to achieve the effect of eye-mouth dust collection and dust reduction.

[0037] The annular tube body 2 is provided with an outer spiral tube head 11, and the outer spiral tube head 11 is integrally formed with the annular tube body 2, and the nozzle 3 is threadedly mounted on the outer spiral tube head 11. The nozzle 3 is threadedly mounted on the annular tube body 2 through the outer spiral tube head 11, and the nozzle 3 can be quickly replaced and repaired if it is blocked, and the function is diversified.

[0038] The anchor drill eyelet dust collection device is hung on a steel mesh near the anchor drill eyelet via a hook 5. The anchor drill is fed through the drill rod eyelet 4. During this process, the connecting pipe body 6 is connected to a water source, which enters the annular pipe body 2 and is sprayed out from the nozzle 3, achieving the effect of collecting and reducing dust from the eyelet. Coal and rock dust are captured and deposited into the dust collection cylinder 1, effectively reducing the amount of coal and rock dust around the anchor drill eyelet, improving the working environment, and also reducing explosions and fires caused by coal and rock dust, improving the safety level of coal mines, increasing the continuous operation time of the anchor drill, reducing downtime caused by cleaning and maintenance of the equipment, and reducing the incidence of miner illnesses. Furthermore, due to the threaded adaptation of the external thread 10 with the first joint 7 and the second joint 9, multiple sets of extension pipe bodies 8 can be connected below the connecting pipe body 6 as needed to meet the dust collection needs of different heights. Furthermore, the nozzle 3 is threadedly mounted to the annular pipe body 2 via the external screw head 11, allowing for quick replacement and maintenance of the nozzle 3 if it becomes clogged, thus providing diversified functions.

[0039] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A dust collecting device for an anchor drilling rig, comprising a dust collecting cylinder (1) and an annular tube (2), characterized in that: The annular tube body (2) is arranged at the bottom of the dust collecting cylinder (1), and a nozzle (3) is provided above the annular tube body (2). A drill rod eyelet (4) is provided at the middle position of the bottom of the dust collecting cylinder (1), and a hook (5) is provided at the edge of the top of the dust collecting cylinder (1). A connecting pipe body (6) is provided below one side of the dust collecting cylinder (1), and the connecting pipe body (6) is L-shaped. The upper end of the connecting pipe body (6) is connected to the annular pipe body (2), and the lower end of the connecting pipe body (6) is provided with a first joint (7).

2. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: At least four groups of the nozzles (3) are provided, and the four groups of the nozzles (3) are arranged at equal angles around the center of the annular tube body (2), and a flow-uniform film is provided inside the nozzles (3).

3. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: At least four groups of hooks (5) are provided, and the four groups of hooks (5) are arranged at equal angles around the center of the dust collecting cylinder (1).

4. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: The bottom of the dust collecting cylinder (1) is in a semicircular arc shape, and the center of the bottom of the dust collecting cylinder (1) is convex upward.

5. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: The first connector (7) is used to connect a water supply hose, and the water supply hose is used to connect a water supply switch.

6. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: The first connector (7) is used to connect to the extension tube (8), and the lower end of the extension tube (8) is provided with a second connector (9). The upper end of the outer side of the extension tube (8) is provided with an external thread (10), and the external thread (10) is thread-matched with the first connector (7) and the second connector (9). The second connector (9) is also used to connect to a water supply hose, and the water supply hose is used to connect to a water supply switch.

7. The eyelet dust collecting device of an anchor drilling rig according to claim 1, characterized in that: An outer spiral tube head (11) is provided on the annular tube body (2), and the outer spiral tube head (11) and the annular tube body (2) are integrally formed, and the nozzle (3) is threadedly mounted on the outer spiral tube head (11).