Dust removal device of coal mine underground fully-mechanized coal winning machine

By designing a multi-directional and height-adjusted dust removal device, the problem of insufficient flexibility of dust removal devices in the prior art is solved, and more efficient dust reduction and operational safety improvement are achieved.

CN222296286UInactive Publication Date: 2025-01-03HENAN POLYTECHNIC UNIV
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Patent Information

Application Number
CN202421256724.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing underground comprehensive excavator dust removal device of coal mines can only spray dust removal in a single direction, angle and height, which limits its practicality and cannot effectively reduce the underground dust density, affecting the health and work efficiency of the operator.

Method used

A dust removal device including a mobile seat, a lift seat, a screw, an electric telescopic rod and a spray seat is designed. The multi-directional and height adjustment of the spray seat is realized through the gear system, the dust removal range is expanded, and further through the worm and worm gear system Enhance spray flexibility.

Benefits of technology

It realizes flexible spraying and dust removal at different heights and angles, improves the practicality and efficiency of the dust removal device, and can adjust the spray height and angle according to needs, which significantly improves the dust removal effect of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dust removal device of an underground coal mine roadheader, which comprises a movable seat and a lifting seat, a screw rod is arranged in the lifting seat, a lifting block and an auxiliary gear are arranged on the peripheral side surface of the screw rod, a first motor is arranged on one surface of the lifting seat, the first motor is connected with a main gear, the lifting block is connected with a limiting frame, and the limiting frame is connected with a lifting plate. A mounting frame is mounted on one side face of the lifting plate, a spraying base is connected into the mounting frame, an electric telescopic rod is mounted on the bottom face of the lifting plate and connected with a push plate, and the push plate is connected with a connecting rod. By arranging the screw rod, the lifting block, the electric telescopic rod, the push plate and the spraying seat, the first motor enables the screw rod to rotate through meshing between gears, the lifting block drives the spraying seat to move up and down, the electric telescopic rod pushes the push plate to move, and in the moving process of the push plate, the spraying seat is pulled to rotate up and down through the connecting rod; and the spraying height and angle can be adjusted according to the dust removal requirement, and practicability is high.
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Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal devices, in particular to a dust removal device for a fully-mechanized tunneling machine in an underground coal mine. Background Art

[0002] The tunnel boring machine, short for comprehensive mechanized tunnel boring machine, is a comprehensive mechanized equipment that integrates multiple functions such as tunneling, rock loading, coal transportation, and even support and road nailing. The coal mine is excavated by the tunnel boring machine. During the excavation process underground in the coal mine, in order to reduce the dust scattered underground that causes obstruction of vision and influence on the health of the operator, it is necessary to carry out dust reduction treatment for a long time underground, which requires the use of dust removal devices.

[0003] The existing dust removal device sprays water mist so that the water mist and dust in the air condense into clumps and fall, thereby reducing the dust density in the ambient air and protecting the health of the operator. However, in actual use, most of the dust removal work can only be carried out in a single direction, angle and height, which limits the use of the dust removal device and reduces the practicality of the existing dust removal device. In order to solve the above problems, a dust removal device for a coal mine underground excavator is proposed. Utility Model Content

[0004] The utility model aims to provide a dust removal device for a coal mine underground excavator, which solves the problem that the existing dust removal device sprays water mist so that the water mist and dust in the air condense into clumps and fall, thereby reducing the dust density in the ambient air and protecting the health of the operator. However, in actual use, the dust removal work can only be carried out by spraying in a single direction, angle and height, which limits the use of the dust removal device and reduces the practicality of the existing dust removal device.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a dust removing device for a coal mine underground comprehensive excavator, comprising a moving seat and a lifting seat, a screw is installed inside the lifting seat, a lifting block and a sub-gear are installed on the peripheral side surface of the screw, the sub-gear is fixedly connected to the screw, a first motor is fixedly installed on a surface of the lifting seat, an output end of the first motor is fixedly connected to a main gear, both side surfaces of the lifting block are fixedly connected to a limiting frame, a lifting plate is fixedly connected on a surface of the limiting frame, a mounting frame is fixedly installed on a side of the lifting plate, a spray seat is connected inside the mounting frame, a water tank is fixedly installed on the upper surface of the lifting plate, a water pump is fixedly installed on a surface of the water tank, a hose is fixedly connected between the water pump and the spray seat, an electric telescopic rod is fixedly installed on the bottom surface of the lifting plate, the output end of the electric telescopic rod is fixedly connected to a push plate, a surface of the push plate is connected to a connecting rod, and one end of the connecting rod is connected to the spray seat.

[0007] Preferably, a plurality of universal wheels are installed on the bottom surface of the movable seat, a vertical plate and a rotating rod are installed on the upper surface of the movable seat, the upper end of the rotating rod is fixedly connected to the lifting seat, the peripheral side surface of the rotating rod is fixedly connected to a worm gear, a second motor is fixedly installed on one surface of the vertical plate, and the output end of the second motor is fixedly connected to a worm gear.

[0008] Preferably, the main gear and the auxiliary gear are both bevel gears, and the main gear is meshed with the auxiliary gear.

[0009] Preferably, the screw rod is threadably matched with the lifting block.

[0010] Preferably, both side surfaces of the lifting seat are provided with limiting grooves, and the limiting frame is slidably matched with the limiting grooves.

[0011] Preferably, the spray seat is rotatably connected to the mounting frame, and the push plate and the spray seat are both hinged to the connecting rod.

[0012] Preferably, the worm is meshed with the worm wheel, and the rotating rod is rotationally connected to the moving seat.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model is provided with a screw rod, a lifting block, an electric telescopic rod, a push plate and a spray seat. The first motor rotates the screw rod through the meshing of gears, and the lifting block drives the spray seat to move up and down, which is convenient for spraying and dust removal at positions of different heights. The electric telescopic rod drives the push plate to move. During the movement of the push plate, the spray seat is pulled up and down by the connecting rod, and the height and angle of the spray can be adjusted according to the needs of dust removal, which is highly practical.

[0015] 2. The utility model provides a worm, a worm wheel and a rotating rod. The second motor drives the worm to rotate. Through the meshing between the worm wheels, the rotating rod drives the spray seat to further rotate, thereby expanding the spray dust removal range of the equipment.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a front structural schematic diagram of the utility model;

[0020] Figure 3 It is a right view structural schematic diagram of the utility model;

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the utility model.

[0022] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1. Moving seat; 2. Lifting seat; 3. Lifting plate; 4. First motor; 5. Limiting groove; 6. Limiting frame; 7. Water tank; 8. Water pump; 9. Mounting frame; 10. Spray seat; 11. Vertical plate; 12. Second motor; 13. Worm; 14. Worm wheel; 15. Rotating rod; 16. Screw; 17. Lifting block; 18. Universal wheel; 19. Electric telescopic rod; 20. Push plate; 21. Connecting rod; 22. Main gear; 23. Sub gear. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0025] See also Figure 1-Figure 4As shown, the utility model is a dust removal device for a coal mine underground comprehensive excavator, comprising a moving seat 1 and a lifting seat 2, a screw 16 is installed inside the lifting seat 2, a lifting block 17 and a sub-gear 23 are installed on the peripheral side of the screw 16, the sub-gear 23 is fixedly connected to the screw 16, a first motor 4 is fixedly installed on one surface of the lifting seat 2, a main gear 22 is fixedly connected to the output end of the first motor 4, both sides of the lifting block 17 are fixedly connected to a limiting frame 6, a lifting plate 3 is fixedly connected to one surface of the limiting frame 6, a mounting frame 9 is fixedly installed on one side of the lifting plate 3, a spray seat 10 is connected inside the mounting frame 9, a water tank 7 is fixedly installed on the upper surface of the lifting plate 3, a water pump 8 is fixedly installed on one surface of the water tank 7, and a fixed connection is provided between the water pump 8 and the spray seat 10. The bottom surface of the hose and the lifting plate 3 is fixedly installed with an electric telescopic rod 19, the output end of the electric telescopic rod 19 is fixedly connected with a push plate 20, one surface of the push plate 20 is connected with a connecting rod 21, one end of the connecting rod 21 is connected to the spray seat 10, and by arranging a screw 16, a lifting block 17, an electric telescopic rod 19, a push plate 20 and a spray seat 10, the first motor 4 rotates the screw 16 through the engagement between gears, and the lifting block 17 drives the spray seat 10 to move up and down, which is convenient for spraying and dust removal at positions of different heights. The electric telescopic rod 19 pushes the push plate 20 to move. During the movement of the push plate 20, the spray seat 10 is pulled up and down by the connecting rod 21, and the height and angle of the spray can be adjusted according to the needs of dust removal, which is highly practical.

[0026] A plurality of universal wheels 18 are installed on the bottom surface of the movable seat 1, and a vertical plate 11 and a rotating rod 15 are installed on the upper surface of the movable seat 1. The upper end of the rotating rod 15 is fixedly connected to the lifting seat 2, and a worm gear 14 is fixedly connected to the peripheral side surface of the rotating rod 15. A second motor 12 is fixedly installed on one surface of the vertical plate 11, and a worm 13 is fixedly connected to the output end of the second motor 12. By arranging the worm 13, the worm gear 14 and the rotating rod 15, the second motor 12 drives the worm 13 to rotate, and through the engagement between the worm gear 14, the rotating rod 15 drives the spray seat 10 to further rotate, thereby expanding the spray dust removal range of the equipment.

[0027] The main gear 22 and the sub gear 23 are both bevel gears, and the main gear 22 is meshed with the sub gear 23 .

[0028] The screw rod 16 is threadably matched with the lifting block 17 .

[0029] Limiting grooves 5 are provided on both sides of the lifting seat 2 , and the limiting frames 6 are slidably matched with the limiting grooves 5 .

[0030] The spray seat 10 is rotatably connected to the mounting frame 9 , and the push plate 20 and the spray seat 10 are both hinged to the connecting rod 21 .

[0031] The worm 13 is meshed with the worm wheel 14 , and the rotating rod 15 is rotationally connected with the moving base 1 .

[0032] Example:

[0033] like Figure 1-Figure 4 As shown, a method of using a dust removal device for an underground comprehensive excavator in a coal mine of the utility model is as follows: when using the utility model, first move the equipment to the desired position, fill the water tank 7 with water, and the water pump 8 sends water into the spray seat 10 through a hose for spray dust removal. During this process, the motor 4 rotates the screw 16 through the meshing between the gears, and the lifting block 17 drives the spray seat 10 to move up and down, which is convenient for spraying dust removal at positions at different heights. The electric telescopic rod 19 pushes the push plate 20 to move. During the movement of the push plate 20, the spray seat 10 is pulled up and down by the connecting rod 21, and the height and angle of the spray can be adjusted according to the needs of dust removal. The second motor 12 drives the worm 13 to rotate, and through the meshing between the worm gears 14, the rotating rod 15 drives the spray seat 10 to further rotate, thereby expanding the spray dust removal range of the equipment.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A dust removal device for a coal mine underground excavator, comprising a movable seat (1) and a lifting seat (2), characterized in that: A screw rod (16) is installed inside the lifting seat (2), and a lifting block (17) and a sub-gear (23) are installed on the peripheral side of the screw rod (16), and the sub-gear (23) is fixedly connected to the screw rod (16). A first motor (4) is fixedly installed on one surface of the lifting seat (2), and the output end of the first motor (4) is fixedly connected to the main gear (22). Both side surfaces of the lifting block (17) are fixedly connected to a limiting frame (6), and a lifting plate (3) is fixedly connected to one surface of the limiting frame (6), and a mounting frame is fixedly installed on one side of the lifting plate (3). (9), a spray seat (10) is connected inside the mounting frame (9), a water tank (7) is fixedly mounted on the upper surface of the lifting plate (3), a water pump (8) is fixedly mounted on one surface of the water tank (7), a hose is fixedly connected between the water pump (8) and the spray seat (10), an electric telescopic rod (19) is fixedly mounted on the bottom surface of the lifting plate (3), an output end of the electric telescopic rod (19) is fixedly connected to a push plate (20), a surface of the push plate (20) is connected to a connecting rod (21), one end of the connecting rod (21) is connected to the spray seat (10).

2. A dust removal device for a coal mine underground comprehensive excavator according to claim 1, characterized in that: The bottom surface of the movable seat (1) is mounted with a plurality of universal wheels (18); the upper surface of the movable seat (1) is mounted with a vertical plate (11) and a rotating rod (15); the upper end of the rotating rod (15) is fixedly connected to the lifting seat (2); the peripheral side surface of the rotating rod (15) is fixedly connected with a worm gear (14); a second motor (12) is fixedly mounted on one surface of the vertical plate (11); and the output end of the second motor (12) is fixedly connected with a worm gear (13).

3. The dust removal device for a coal mine underground excavator according to claim 1, characterized in that: The main gear (22) and the sub-gear (23) are both bevel gears, and the main gear (22) is meshed with the sub-gear (23).

4. The dust removal device for a coal mine underground excavator according to claim 1, characterized in that: The screw rod (16) is threadably matched with the lifting block (17).

5. The dust removal device for a coal mine underground excavator according to claim 1, characterized in that: Both side surfaces of the lifting seat (2) are provided with limiting grooves (5), and the limiting frame (6) is slidably matched with the limiting grooves (5).

6. The dust removal device for a coal mine underground excavator according to claim 1, characterized in that: The spray seat (10) is rotatably connected to the mounting frame (9), and the push plate (20) and the spray seat (10) are both hinged to the connecting rod (21).

7. The dust removal device for a coal mine underground excavator according to claim 2, characterized in that: The worm (13) is meshed with the worm wheel (14), and the rotating rod (15) is rotationally connected to the moving seat (1).

Citation Information

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