Water control drilling equipment for coal mine tunnel

By introducing protective covers and cleaning structures into drilling equipment, the problems of soil splashing and drill rod contamination during drilling have been solved, resulting in improved safety and efficiency.

CN224017188UActive Publication Date: 2026-03-20SHANXI SHUOZHOU PINGLU DISTRICT GUOQIANG COAL IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing drilling equipment generates a large amount of splashed debris during drilling, which affects safety, the service life of drill rods, and the environment. After drilling is completed, the surface of the drill rods carries a large amount of mud, which affects subsequent use.

Method used

A drilling device for water control in coal mine roadways has been designed, including a fixed frame, a movable frame, a protective cover, a mounting base, and a cleaning structure. The drill rod is cleaned through a water guide channel and a water outlet structure. The protective cover forms a physical barrier in contact with the ground. The cleaning structure cleans the drill rod after drilling is completed.

Benefits of technology

It effectively avoids the safety hazards and environmental pollution caused by splashed debris, and timely cleaning of drill rods extends their service life and improves drilling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal mine tunnel water control drilling device which comprises a fixed frame, a movable frame, a drilling rod, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder, and is characterized in that the fixed frame is provided with a movable frame, and the movable frame can slide along the fixed frame; a guide rod is arranged on the protective cover, the guide rod movably penetrates through the movable frame and can move along the fixed frame and the movable frame in the same direction, and the drill rod penetrates through the protective cover; the mounting seat is fixed in the protective cover, a through hole for the drill rod to penetrate through is formed in the mounting seat, and a cleaning structure is arranged in the mounting seat; during drilling operation, the protective cover makes contact with the bottom face of the drilling position, physical obstruction is formed around the drill rod, the problem of safety danger caused by splashing muck is avoided, the installation base is arranged in the protective cover, the drill rod is cleaned in time through the cleaning structure on the installation base, and the drilling efficiency is improved. The situation that environmental pollution is aggravated due to equipment movement can be avoided, and the drill rod can be maintained in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to geological engineering technical field especially relates to a coal mine roadway water prevention and control drilling equipment. BACKGROUND

[0002] The coal mine is the area that human extracts coal resources in the coal-rich mining area, and the coal mine is generally settled in the underground, in order to avoid water damage, resource and engineering waste, gas accident, needs using drilling equipment to carry out geological exploration to the mining place when mining, and various parameters and hydrogeological material collection provide reliable theoretical basis for geological exploration design and construction.

[0003] When the drilling equipment works, the drill rod is in contact with the ground in the high-speed rotating posture, can produce a large amount of splashing slag when drilling, affects the safety around the equipment, can also cause the drill rod surface to carry a large amount of soil after drilling, influences the subsequent use of the drill rod and the service life of itself. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a coal mine roadway water prevention and control drilling equipment, aims at solving the existing technical problem.

[0005] In order to realize the above-mentioned purpose, the utility model provides a coal mine roadway water prevention and control drilling equipment, which comprises:

[0006] A fixed frame is provided with a movable frame, the movable frame can slide along the fixed frame, and a drill rod is arranged on the movable frame;

[0007] A protective cover is provided with a guide rod, the guide rod movably penetrates the movable frame, and the guide rod can move in the same direction along the fixed frame and the movable frame, and the drill rod passes through the protective cover; and,

[0008] A mounting seat is fixed in the protective cover, and a through hole is formed in the mounting seat for the drill rod to pass through, and a cleaning structure is arranged in the mounting seat.

[0009] Further, the cleaning structure comprises a water guide channel arranged in the mounting seat, the water inlet end of the water guide channel is connected with a water supply device, and the water outlet end is connected with a water outlet structure.

[0010] Further, the water guide channel comprises a water inlet channel, the water inlet channel is communicated with a first branch waterway and a second branch waterway respectively, a shunt valve is arranged in the water inlet channel, the first branch waterway has at least one water outlet in the first direction and has the annular structure, and the second branch waterway has at least one water outlet in the second direction and has the straight channel structure.

[0011] Further, the water outlet structure comprises a high-pressure nozzle connected with the water outlet of the first branch water channel and a water outlet valve connected with the water outlet of the second branch water channel.

[0012] Further, the bottom of the protective cover is hingedly connected with a tray, the tray is provided with a containing groove, and the containing groove is provided with a notch.

[0013] Further, the water outlet structure further comprises a flushing nozzle, the flushing nozzle is communicated with the water inlet channel through a pipeline provided with a valve, and the flushing nozzle is arranged in an inclined downward manner.

[0014] Further, the reinforcing rod is slidably connected with a fixing frame at the other end.

[0015] Further, the reinforcing rod is slidably connected with a fixing frame at the other end.

[0016] Further, the reinforcing rod is slidably connected with a fixing frame at the other end.

[0017] The beneficial effects of the utility model are embodied in that:

[0018] The utility model discloses a protective cover and a drilling rod are contacted when drilling, and physical separation is formed around the drilling rod, so that the problem that splashed slag causes safety hazards is avoided, and a mounting seat is arranged in the protective cover, and the drilling rod is cleaned in time through the cleaning structure on the mounting seat, so that environmental pollution caused by equipment movement is avoided, and the drilling rod is maintained in time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural sectional schematic diagram of the mounting seat of the utility model;

[0021] Figure 3 It is a structural sectional schematic diagram of the tray of the utility model in an open state;

[0022] Figure 4 It is a structural schematic diagram of the tray of the utility model.

[0023] Mark explanation:

[0024] 100, fixed frame; 101, movable frame; 102, drill rod; 103, reinforcing rod; 104, support arm; 105, hydraulic support rod; 200, protective cover; 201, guide rod; 202, tray; 203, containing groove; 204, notch; 205, hydraulic rod; 300, mounting seat; 301, water guide channel; 302, water outlet structure; 3011, water inlet channel; 3012, first branch waterway; 3013, second branch waterway; 3014, flow distribution valve; 3021, high-pressure nozzle; 3022, water outlet valve; 3023, flushing nozzle; 3024, pipeline. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Please refer to Figure 1 and 2 The utility model provides a kind of coal mine tunnel water prevention and control drilling equipment, comprising:

[0027] Fixed frame 100, movable frame 101 is equipped on it, movable frame 101 can slide along fixed frame 100, and movable frame 101 is equipped with drill rod 102;Specifically, fixed frame 100 is equipped with screw rod controlled by motor, screw rod is connected with movable frame 101 by screw thread, so that movable frame 101 can move along fixed frame 100;Drill rod 102 is driven to rotate by motor.

[0028] Protective cover 200, guide rod 201 is equipped on it, guide rod 201 movably penetrates movable frame 101, and guide rod 201 can move in the same direction along fixed frame 100 and movable frame 101, drill rod 102 passes through protective cover 200 and is arranged;And,

[0029] Mounting seat 300 is fixed in protective cover 200, and it has through hole for drill rod 102 to pass through, and cleaning structure is arranged in mounting seat 300.

[0030] In the embodiment, the protective cover 200 is first brought into contact with the ground by moving the guide rod 201 along the fixed frame 100, then the drill rod 102 is lowered by driving the movable frame 101 to pass through the protective cover 200 and contact the ground, then the drill rod 102 is rotated at high speed to cooperate with the movable frame 101 to realize the drilling operation, and after the drilling operation is completed, the soil on the drill rod 102 is cleaned by the cleaning structure when the drill rod 102 is withdrawn, which can not only avoid environmental pollution caused by equipment movement, but also maintain the drill rod 102 in time.

[0031] In an embodiment, referring to Figure 2 , the cleaning structure comprises a water guide channel 301 arranged in the mounting seat 300, the water inlet end of the water guide channel 301 is connected with a water supply device, and the water outlet end is connected with a water outlet structure 302.

[0032] In the embodiment, water flow is delivered into the water guide channel 301 by the water supply device, and is outputted outward through the water outlet structure 302 to clean the withdrawn drill rod 102.

[0033] Specifically, the water supply device comprises a water tank, a water pump is arranged in the water tank, and the water pump is communicated with the water guide channel 301 through a water pipe.

[0034] In an embodiment, referring to Figure 2 , the water guide channel 301 comprises a water inlet channel 3011, the water inlet channel 3011 is communicated with a first branch water channel 3012 and a second branch water channel 3013 respectively, and a flow distribution valve 3014 is arranged in the water inlet channel 3011; specifically, the flow distribution valve 3014 is a three-way valve.

[0035] The first branch water channel 3012 has at least one water outlet opening in a first direction (i.e. a direction towards the surface of the drill rod 102 when the drill rod 102 passes through the protective cover 200, which can be arranged vertically or obliquely), and the second branch water channel 3013 has at least one water outlet opening in a second direction (i.e. a direction towards the ground).

[0036] In the embodiment, when the drill rod 102 is performing the drilling operation, the flow distribution valve 3014 is controlled to make the water flow enter the second branch water channel 3013 and fall on the drilling ground, which can not only wet the slag at the drilling position, but also achieve partial cooling effect on the drill rod 102 to improve the drilling efficiency; when the drilling is completed, the flow distribution valve 3014 is controlled to make the water flow enter the first branch water channel 3012, and as the drill rod 102 is withdrawn outward, the water flow is outputted outward through the first branch water channel 3012 to contact the surface of the drill rod 102 to clean the surface of the drill rod 102.

[0037] In an embodiment, referring to Figure 2The water outlet structure 302 comprises a high-pressure nozzle 3021 connected with the water outlet of the first branch water channel 3012 and a water outlet valve 3022 connected with the water outlet of the second branch water channel 3013.

[0038] The present embodiment is configured in this way. The water flow output through the first branch water channel 3012 has an initial speed due to the high-pressure nozzle 3021, which can improve the cleaning quality of the drill pipe 102. When the shunt valve 3014 is opened, the water outlet valve 3022 is synchronously opened to deliver the water flow to the ground, which can wet the drilling site and achieve a partial cooling effect on the drill pipe 102. In addition, the water outlet valve 3022 can also avoid the problem of foreign matter entering the second branch water channel 3013.

[0039] In an embodiment, referring to Figure 3 and Figure 4 , the bottom of the protective cover 200 is hingedly connected with a tray 202, the tray 202 has a containing groove 203, and the containing groove 203 has a gap 204. When the tray 202 is closed, the gap 204 is blocked by the inner wall of the protective cover 200, and when the tray 202 is opened, the soil falling from the drill pipe 102 can be discharged outward through the gap 204.

[0040] Specifically, the tray 202 is connected with the protective cover 200 by a bolt when the tray 202 is closed.

[0041] The present embodiment is configured in this way. The tray 202 can support the soil falling from the drill pipe 102 when the exiting drill pipe 102 is cleaned by the water outlet structure 302, thereby avoiding further pollution to the drilling site.

[0042] Specifically, referring to Figure 4 , the tray 202 is hingedly connected with the protective cover 200.

[0043] Preferably, referring to Figure 3 , the tray 202 has a conical table in the middle.

[0044] In an embodiment, referring to Figure 1 , the water outlet structure 302 further comprises a flushing nozzle 3023, the flushing nozzle 3023 is connected with the water inlet channel 3011 through a pipeline 3024 provided with a valve, and the flushing nozzle 3023 is inclined downward.

[0045] Specifically, the flushing nozzle 3023 is arranged towards the tray 202.

[0046] The embodiment is configured in this way, and the flushing nozzle 3023 is arranged to facilitate quick cleaning of the tray 202 by using the water flow when the tray 202 is opened, thereby improving the efficiency.

[0047] In an embodiment, referring to Figure 1 The reinforcing rod 103 is connected to the movable frame 101 at one end and is slidably connected to the fixed frame 100 at the other end.

[0048] The embodiment is configured in this way, and the reinforcing rod 103 is arranged to improve the stability of the movable frame 101 when sliding along the fixed frame 100, thereby improving the stability of the drill pipe 102.

[0049] In an embodiment, referring to Figure 1 The arm 104 is connected to the fixed frame 100, and the hydraulic support rod 105 is arranged on the arm 104.

[0050] The embodiment is configured in this way, and the arm 104 and the hydraulic support rod 105 are arranged to control the hydraulic support rod 105 to touch the ground before drilling operation, thereby ensuring the stability of the whole device.

[0051] In an embodiment, referring to ​ The guide rod 201 is controlled to move by the hydraulic rod 205 arranged on the fixed frame 100.

[0052] The embodiment is configured in this way, and the hydraulic rod 205 is arranged to control the movement of the guide rod 201, thereby controlling the protective cover 200 to contact the ground before drilling operation, and achieving physical blocking.

[0053] It should be noted that if the embodiment of the utility model relates to directional indications such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture such as shown in the drawings, and if the specific posture changes, the directional indications also change accordingly.

[0054] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, "multiple" means more than two. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist.

[0055] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A drilling device for preventing water seepage in coal mine roadways, characterized in that... ,include: A fixed frame (100) is provided with a movable frame (101) thereon, the movable frame (101) can slide along the fixed frame (100), and a drill rod (102) is provided on the movable frame (101); A protective cover (200) is provided with a guide rod (201) thereon, the guide rod (201) movably passing through the movable frame (101), and the guide rod (201) can move in the same direction along the fixed frame (100) and the movable frame (101); the drill rod (102) is provided through the protective cover (200); and, The mounting base (300) is fixed inside the protective cover (200) and has a through hole through which the drill rod (102) can pass. The mounting base (300) is provided with a cleaning structure.

2. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 1, characterized in that: The cleaning structure includes a water guiding channel (301) located inside the mounting base (300). The inlet end of the water guiding channel (301) is connected to the water supply equipment, and the outlet end is connected to the water outlet structure (302).

3. The coal mine roadway water-control drilling equipment as described in claim 2, characterized in that: The water guiding channel (301) includes an inlet channel (3011), which is connected to a first branch channel (3012) and a second branch channel (3013) respectively. A diversion valve (3014) is provided in the inlet channel (3011). The first branch channel (3012) has an annular structure and at least one outlet facing a first direction. The second branch channel (3013) has a straight channel structure and at least one outlet facing a second direction.

4. The coal mine roadway water-control drilling equipment as described in claim 3, characterized in that: The water outlet structure (302) includes a high-pressure nozzle (3021) connected to the outlet of the first branch waterway (3012) and a water outlet valve (3022) connected to the outlet of the second branch waterway (3013).

5. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 1, characterized in that: The bottom of the protective cover (200) is hinged to a tray (202), the tray (202) has a receiving groove (203), and the receiving groove (203) has a notch (204).

6. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 3, characterized in that: The water outlet structure (302) also includes a flushing nozzle (3023), which is connected to the water inlet channel (3011) through a pipe (3024) equipped with a valve, and the flushing nozzle (3023) is inclined downward.

7. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 1, characterized in that: It also includes a reinforcing rod (103) with one end connected to the movable frame (101), and the other end of the reinforcing rod (103) is slidably connected to the fixed frame (100).

8. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 1, characterized in that: It also includes a support arm (104) connected to the fixed frame (100), and the support arm (104) is provided with a hydraulic strut (105).

9. The water-drilling equipment for preventing water damage in coal mine roadways as described in claim 1, characterized in that: The guide rod (201) is moved by a hydraulic rod (205) mounted on the fixed frame (100).