Excavating device for coal mining

By designing a coal mining excavation device, using the cooperation of water pumps, spraying nozzles and motors, spraying water mists reduces dust pollution, solving the problem of serious dust pollution during coal mining and achieving effective protection of the environment.

CN222797493UActive Publication Date: 2025-04-25TIEFA COAL IND (GRP) CO LTD DAPING COAL MINE
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Patent Information

Application Number
CN202421389099.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-25
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

During coal mining, existing excavation devices produce a large amount of dust, which seriously pollutes the environment and is difficult to effectively reduce environmental pollution.

Method used

Design a coal-opening excavation device, including a water tank, rolling bearing, connecting rod, spray head, motor and hose, absorbing water through a water pump and straw, and using the cooperation of the tee pipe, connecting pipe and hose, spraying water mist outward to reduce dust. The motor drives the connecting rod to rotate and the spray head to arc, achieving large-scale spraying water level and reducing environmental pollution.

Benefits of technology

It effectively reduces dust pollution during coal mining, improves environmental quality, and reduces pollution to the surrounding environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an excavating device for coal mining, which comprises a small arm, the left side of the small arm is provided with a water tank, the front side and the back side of the small arm are fixedly connected with box bodies, the upper surface of each box body is fixedly embedded with a rolling bearing, the inner ring of each rolling bearing is fixedly connected with a connecting rod, and the inner ring of each connecting rod is fixedly connected with a connecting rod. And the top end of each connecting rod is fixedly connected with a spray head. The device is provided with a water pump, a suction pipe, a rolling bearing, a three-way pipe, a connecting rod, a connecting pipe, a motor, a hose and a spray head, water in the water tank is conveniently sucked through cooperation of the water pump and the suction pipe, the spray head conveniently sprays water mist outwards through cooperation of the three-way pipe, the connecting pipe and the hose, and meanwhile dust falling work is conducted on the surrounding environment; then, according to the connection relation between the motor and the connecting rod, the connecting rod conveniently rotates in the rolling bearing, meanwhile, the spray head is driven to move in an arc shape, meanwhile, the spray head conveniently sprays water in a large range, and therefore pollution to the environment is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of coal mines, in particular to an excavating device for coal mining. Background Art

[0002] Coal, also known as coal for short, is buried under the strata and is produced as a carbonized fossil mineral under the pressure and temperature conditions of the earth's crust that isolates the air. It is mainly mined by humans as fuel. Coal plays an important role in modern industry, whether it is heavy industry or light industry, energy industry, metallurgical industry, chemical industry, machinery industry, or light textile industry, food industry, and transportation industry. Various industrial sectors consume a certain amount of coal to a certain extent. Therefore, some people call coal the real food of industry and one of the main energy sources currently used.

[0003] In the current coal mining process, excavation equipment is usually used for excavation. During the excavation process, a large amount of dust is easily generated by the current excavation equipment. The dust seriously pollutes the surrounding environment and greatly increases the harshness of the environment. Improvements are needed. To this end, we propose an excavation device for coal mining to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an excavating device for coal mining to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A coal mining excavation device comprises a forearm, a water tank is provided on the left side of the forearm, a box body is fixedly connected to the front and back sides of the forearm, a rolling bearing is fixedly inlaid on the upper surface of each of the boxes, a connecting rod is fixedly connected to the inner ring of each of the rolling bearings, a nozzle is fixedly connected to the top of each of the connecting rods, a motor is fixedly connected to the inner bottom wall of each of the boxes, the output end of each of the motors is fixedly connected to the bottom end of the connecting rod, a hose is fixedly connected to the left side of each of the nozzles, and a connecting pipe is fixedly connected to the end of each of the hoses away from the nozzles, a water pump is fixedly connected to the inner bottom wall of the water tank, a suction pipe is fixedly connected to the input end of the water pump, a tee is fixedly inlaid on the upper surface of the water tank, the input end of the tee is fixedly connected to the output end of the water pump, a slide rail is fixedly connected to the upper surface of each of the boxes, a slider is slidably connected to the inner wall of each of the slide rails, and the upper surface of each of the sliders is fixedly connected to the bottom surface of the nozzle.

[0007] In a further embodiment, the outer surface of each connecting tube is fixedly connected to a fixing ring, the outer surface of each fixing ring is fixedly connected to a support rod, and the side surfaces of the two support rods close to each other are fixedly connected to the front and back sides of the forearm respectively.

[0008] In a further embodiment, the front side and the back side of the water tank are fixedly connected with fixing plates, and the upper surface of each fixing plate is provided with two mounting holes.

[0009] In a further embodiment, a liquid level sensor is fixedly embedded on the front of the water tank, and an alarm is provided in front of the water tank.

[0010] In a further embodiment, the upper surface of the water tank is fixedly connected to a water injection pipe, and the left side of the water tank is fixedly connected to a control valve.

[0011] In a further embodiment, the left and right side surfaces of each box body are fixedly connected with reinforcement blocks, and the side surfaces of the two groups of reinforcement blocks close to each other are respectively fixedly connected to the front side and the back side of the forearm.

[0012] In a further embodiment, a protective plate is fixedly connected to the upper surface of the forearm, and warning signs are fixedly connected to the side surfaces of the two boxes that are away from each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The device is provided with a water pump, a suction pipe, a rolling bearing, a tee, a connecting rod, a connecting pipe, a motor, a hose and a nozzle. The water pump and the suction pipe are used to absorb water from the water tank. The tee, the connecting pipe and the hose are used to spray water mist outwards and reduce dust in the surrounding environment. Subsequently, according to the connection relationship between the motor and the connecting rod, the connecting rod rotates inside the rolling bearing, driving the nozzle to move in an arc, and the nozzle sprays water over a large range, thereby reducing pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the overall three-dimensional structure of an excavation device for coal mining;

[0016] Figure 2 A cross-sectional view of a water tank in front view of an excavation device for coal mining;

[0017] Figure 3 A three-dimensional structural schematic diagram of a front view of a casing of an excavation device for coal mining;

[0018] Figure 4 A cross-sectional view of the front view of the excavation device box for coal mining.

[0019] In the figure: 1. Mounting hole; 2. Fixing plate; 3. Liquid level sensor; 4. Connecting pipe; 5. Warning sign; 6. Box; 7. Reinforcement block; 8. Protective plate; 9. Hose; 10. Forearm; 11. Water tank; 12. Water filling pipe; 13. Tee pipe; 14. Alarm; 15. Motor; 16. Control valve; 17. Suction pipe; 18. Water pump; 19. Support rod; 20. Fixing ring; 21. Slider; 22. Slide rail; 23. Nozzle; 24. Connecting rod; 25. Rolling bearing. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4In the utility model, a coal mining excavation device includes a forearm 10, a water tank 11 is provided on the left side of the forearm 10, the front and back sides of the forearm 10 are fixedly connected to a box body 6, the upper surface of each box body 6 is fixedly inlaid with a rolling bearing 25, the inner ring of each rolling bearing 25 is fixedly connected to a connecting rod 24, the top of each connecting rod 24 is fixedly connected to a nozzle 23, the inner bottom wall of each box body 6 is fixedly connected to a motor 15, the output end of each motor 15 is fixedly connected to the bottom end of the connecting rod 24, the left side of each nozzle 23 is fixedly connected to a hose 9, and the end of each hose 9 away from the nozzle 23 is fixedly connected to a connecting pipe 4, the inner bottom wall of the water tank 11 is fixedly connected to a water pump 18, and the input end of the water pump 18 is fixedly connected to a suction pipe 17, and the water tank 1 1 is fixedly inlaid with a three-way pipe 13, the input end of the three-way pipe 13 is fixedly connected to the output end of the water pump 18, the upper surface of each box body 6 is fixedly connected with a slide rail 22, the inner wall of each slide rail 22 is slidably connected with a slider 21, and the upper surface of each slider 21 is fixedly connected to the bottom surface of the nozzle 23. The cooperation of the water pump 18 and the suction pipe 17 is convenient for absorbing water inside the water tank 11, and through the cooperation of the three-way pipe 13, the connecting pipe 4 and the hose 9, it is convenient for the nozzle 23 to spray water mist outward and reduce dust in the surrounding environment. Then, according to the connection relationship between the motor 15 and the connecting rod 24, it is convenient for the connecting rod 24 to rotate inside the rolling bearing 25 while driving the nozzle 23 to move in an arc shape, and at the same time, it is convenient for the nozzle 23 to spray water levels in a large range, so as to reduce pollution to the environment.

[0024] A fixing ring 20 is fixedly connected to the outer surface of each connecting pipe 4, and a support rod 19 is fixedly connected to the outer surface of each fixing ring 20. The side surfaces of the two support rods 19 close to each other are fixedly connected to the front and back sides of the forearm 10 respectively. The cooperation between the fixing ring 20 and the support rod 19 is convenient for increasing the stability of the connecting pipe 4. A fixing plate 2 is fixedly connected to the front and back sides of the water tank 11. Two mounting holes 1 are provided on the upper surface of each fixing plate 2. The cooperation among the fixing plate 2, the mounting holes 1 and the external bolts is convenient for installing the water tank 11 on the excavating device. A liquid level sensor 3 is fixedly embedded on the front side of the water tank 11, and an alarm 14 is provided in front of the water tank 11. The cooperation between the liquid level sensor 3 and the alarm 14 is convenient for reminding the staff to add water.

[0025] The upper surface of the water tank 11 is fixedly connected to a water injection pipe 12, and the left side of the water tank 11 is fixedly connected to a control valve 16. The water injection pipe 12 is used to discharge water into the water tank 11. The left and right sides of each box body 6 are fixedly connected to reinforcement blocks 7, and the sides of the two groups of reinforcement blocks 7 that are close to each other are respectively fixedly connected to the front and back sides of the forearm 10. The reinforcement blocks 7 are used to support the box body 6. The upper surface of the forearm 10 is fixedly connected to a protective plate 8, and the sides of the two boxes 6 that are away from each other are fixedly connected to warning signs 5. The warning signs 5 are used to remind staff of precautions.

[0026] The working principle of the utility model is:

[0027] When the staff uses it, first, the water tank 11 is installed on the excavation device through the cooperation of the fixing plate 2, the mounting hole 1 and the external bolts, and then the water is injected into the water tank 11 through the water injection pipe 12. At this time, the water pump 18 is started, and the suction force provided by the water pump 18 is used to make the suction pipe 17 absorb the water inside the water tank 11, and through the cooperation of the three-way pipe 13 and the connecting pipe 4, the hose 9 discharges the water into the inside of the nozzle 23, and then the nozzle 23 sprays water mist outward, and then the power provided by the motor 15 is used to make the connecting rod 24 drive the nozzle 23 to move in an arc.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A coal mining excavation device, characterized in that: The invention comprises a small arm (10), a water tank (11) is provided on the left side of the small arm (10), the front side and the back side of the small arm (10) are fixedly connected to a box body (6), the upper surface of each of the boxes (6) is fixedly inlaid with a rolling bearing (25), the inner ring of each of the rolling bearings (25) is fixedly connected to a connecting rod (24), the top of each of the connecting rods (24) is fixedly connected to a nozzle (23), the inner bottom wall of each of the boxes (6) is fixedly connected to a motor (15), the output end of each of the motors (15) is fixedly connected to the bottom end of the connecting rod (24), and the left side of each of the nozzles (23) is fixedly connected to a A hose (9), one end of each of the hoses (9) away from the nozzle (23) is fixedly connected to a connecting pipe (4), the inner bottom wall of the water tank (11) is fixedly connected to a water pump (18), the input end of the water pump (18) is fixedly connected to a suction pipe (17), the upper surface of the water tank (11) is fixedly inlaid with a three-way pipe (13), the input end of the three-way pipe (13) is fixedly connected to the output end of the water pump (18), the upper surface of each of the box bodies (6) is fixedly connected to a slide rail (22), the inner wall of each of the slide rails (22) is slidably connected to a slider (21), and the upper surface of each of the sliders (21) is fixedly connected to the bottom surface of the nozzle (23).

2. The excavating device for coal mining according to claim 1, characterized in that: The outer surface of each connecting tube (4) is fixedly connected to a fixing ring (20), the outer surface of each fixing ring (20) is fixedly connected to a supporting rod (19), and the side surfaces of the two supporting rods (19) close to each other are fixedly connected to the front side of the forearm (10) and the back side of the forearm (10), respectively.

3. The excavating device for coal mining according to claim 1, characterized in that: The front side of the water tank (11) and the back side of the water tank (11) are both fixedly connected with a fixing plate (2), and the upper surface of each fixing plate (2) is provided with two mounting holes (1).

4. The excavating device for coal mining according to claim 1, characterized in that: A liquid level sensor (3) is fixedly embedded on the front of the water tank (11), and an alarm (14) is provided in front of the water tank (11).

5. The excavating device for coal mining according to claim 1, characterized in that: The upper surface of the water tank (11) is fixedly connected to a water injection pipe (12), and the left side surface of the water tank (11) is fixedly connected to a control valve (16).

6. The excavating device for coal mining according to claim 1, characterized in that: The left and right sides of each box body (6) are fixedly connected with reinforcement blocks (7), and the sides of the two groups of reinforcement blocks (7) close to each other are respectively fixedly connected to the front side of the forearm (10) and the back side of the forearm (10).

7. The excavating device for coal mining according to claim 1, characterized in that: A protective plate (8) is fixedly connected to the upper surface of the small arm (10), and a warning sign (5) is fixedly connected to the side surfaces of the two boxes (6) that are away from each other.