Open pit coal mining device

Abstract

The utility model discloses an open-pit coal mining device, which relates to the technical field of open-pit coal mining. The utility model includes a base, a dustproof component and a stabilizing component. A mounting frame is provided on the left side of the top of the base, and the right side of the mounting frame is mounted with the base through two hydraulic cylinders. A crushing roller is provided between the two sides of the inner cavity of the mounting frame, and a material receiving cover is fixedly connected to the bottom between the front and rear sides of the inner cavity of the mounting frame, and the dustproof component is provided on the top of the mounting frame. Through the provision of the dustproof component, the utility model can deliver dust reduction to the atomizing nozzle through a water pipe, and the atomizing nozzle sprays water in the form of atomizers. At the same time, the cylinder drives the tooth plate to move forward and backward, and the movement of the tooth plate cooperates with the gear to control the atomizing nozzle to swing back and forth continuously, thereby increasing its dust reduction range, so that a large amount of dust will not be generated during the open-pit coal mining process, and the dust can be prevented from blocking the sight of the workers and affecting their health.

Description

Technical Field

[0001] The utility model belongs to the technical field of open-pit coal mining, in particular to an open-pit coal mining device. Background Art

[0002] An open-pit coal mine refers to a coal mine that can be mined directly in the open air due to coal layers deposited on the surface or in shallow layers due to geographical changes. Currently, open-pit coal mining equipment is required in the mining process of open-pit coal mines.

[0003] A Chinese patent application with publication number CN212535660U discloses a small open-pit coal mining device, including a vehicle body, a walking crawler is arranged at the lower end of the vehicle body, and a first coal collecting mechanism, a coal mining mechanism and a second coal collecting mechanism are arranged in sequence in the horizontal direction on the upper end of the vehicle body, the first coal collecting mechanism is located at the front end of the vehicle body, and a coal transportation cavity matched with the first coal collecting mechanism is arranged inside the vehicle body, a first coal inlet is arranged on the front side wall of the coal transportation cavity, a first conveyor belt is arranged in the coal transportation cavity, a first fixed frame is fixedly connected to the rear side wall of the vehicle body, two symmetrical coal collecting claws are arranged between the first coal inlet and the first conveyor belt, and the tail end of the first conveyor belt is rotatably connected to one end of the first fixed frame. The utility model integrates the coal collecting and mining mechanisms to realize simultaneous mining and collection of the coal mechanisms, thereby improving the efficiency of coal mining.

[0004] Although mining and collection are carried out simultaneously through the cooperation of multiple mechanisms, it has no dust reduction function and will generate large amounts of coal ash dust during the mining process. This dust will not only block the workers' vision and affect equipment operation, but will also have a significant impact on the workers' health and is not conducive to people's use.

[0005] To this end, we provide an open-pit coal mining device to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide an open-pit coal mining device, which solves the problem that the open-pit coal mining device in the prior art has no dust-proof function through the coordinated arrangement of a dust-proof component and a stabilizing component, and a large amount of dust is generated during the mining process, which not only blocks the workers' vision but also affects their health.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is an open-pit coal mining device, comprising a base, a dustproof component and a stabilizing component, a mounting frame is arranged on the left side of the top of the base, the right side of the mounting frame is mounted with the base through two hydraulic cylinders, a crushing roller is arranged between the two sides of the inner cavity of the mounting frame, and a material receiving cover is fixedly connected to the bottom between the front side and the rear side of the inner cavity of the mounting frame;

[0009] The dustproof component is arranged on the top of the mounting frame, and includes a fixed frame, the bottom of the inner cavity of the fixed frame is movably connected with a gear, the left side of the gear is fixedly connected with an atomizing nozzle, the right side of the gear is meshed with a toothed plate, the front and rear sides of the toothed plate both penetrate to the outside of the fixed frame, the right side of the fixed frame is fixedly connected with a cylinder, and the front side of the cylinder output end is fixedly connected with the toothed plate;

[0010] The stabilizing assembly is arranged on the top of the base, and includes a control box. A motor is fixedly connected to the bottom of the inner cavity of the control box. The front and rear sides of the output end of the motor are fixedly connected to screws. A telescopic rod is sleeved on the surface of the screw. The opposite sides of the two telescopic rods pass through the control box and are fixedly connected to an electric push rod. The bottom of the output end of the electric push rod is fixedly connected to an anti-skid plate.

[0011] The utility model is further configured such that the front and rear sides of the base are fixedly connected with positioning plates, a sliding rod is fixedly connected between the top and bottom of the inner cavity of the positioning plate, a sliding sleeve is sleeved on the surface of the sliding rod, and the opposite sides of the two sliding sleeves are fixedly connected to the mounting frame.

[0012] The utility model is further configured such that a conveyor belt is fixedly connected to the right side of the top of the base, and track wheels are fixedly connected to the front and rear sides of the bottom of the base.

[0013] The utility model is further configured that a fixing plate is movably connected to the top of the gear, and the right side of the fixing plate is fixedly connected to the inner wall of the fixing frame.

[0014] The utility model is further configured that a slide groove is opened on the right side of the inner cavity of the fixed frame, a sliding block is slidably connected to the inner cavity of the slide groove, and the left side of the sliding block is fixedly connected to the tooth plate.

[0015] The utility model is further configured that the front side and the rear side of the control box are both provided with adjustment openings used in conjunction with the telescopic rod, and the bottom of the anti-slip plate is fixedly connected with anti-slip spikes.

[0016] The utility model is further configured that the front side and the rear side of the fixed frame are both provided with movable openings used in conjunction with the toothed plate, and the top of the atomizing nozzle is connected with a water delivery pipe.

[0017] The utility model is further configured that the inner wall of the telescopic rod is threadedly connected to the screw rod, and the output end of the front side of the cylinder is fixedly connected to the toothed plate through a connecting block.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model can transport dust reduction water to the atomizing nozzle through the water pipe through the setting of the dust-proof component. The atomizing nozzle sprays water in the form of atomizers. At the same time, the cylinder drives the tooth plate to move back and forth. The movement of the tooth plate cooperates with the gear to control the atomizing nozzle to swing back and forth continuously, thereby increasing its dust reduction range and preventing a large amount of dust from being generated during open-pit coal mining, thereby preventing the dust from blocking the workers' vision and affecting their health.

[0020] 2. The utility model can control the use position of the telescopic rod and the electric push rod through the arrangement of the stabilizing component by the cooperation of the motor and the screw rod, so that the two electric push rods are moved away from the base. When the electric push rod is turned on, the electric push rod drives the anti-slip plate to contact the ground, and the anti-slip plate is stably set on the ground through the anti-slip spikes. By arranging new supporting points on the front and rear sides of the base, the anti-slip plate will not be displaced during coal mining, thereby improving its stability during operation.

[0021] 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

[0022] 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.

[0023] Figure 1 It is a structural stereogram of a coal mining device in an open-pit coal mine;

[0024] Figure 2 A schematic diagram of a mounting frame, hydraulic cylinder and crushing roller of an open-pit coal mining device;

[0025] Figure 3 A schematic diagram of a dust prevention component of an open-pit coal mining device;

[0026] Figure 4 A schematic diagram of a slide block and a chute of an open-pit coal mining device;

[0027] Figure 5 A cross-sectional view of a control box of an open-pit coal mining device.

[0028] In the attached drawings: 1. base; 2. mounting frame; 3. hydraulic cylinder; 4. crushing roller; 5. receiving cover; 6. dustproof component; 601. fixing frame; 602. gear; 603. atomizing nozzle; 604. tooth plate; 605. cylinder; 7. stabilizing component; 701. control box; 702. motor; 703. screw; 704. telescopic rod; 705. electric push rod; 706. anti-skid plate; 8. conveyor belt; 9. track wheel; 10. slide chute; 11. slider; 12. water pipe. DETAILED DESCRIPTION

[0029] 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. Specific embodiment 1

[0031] See also Figure 1-5 The utility model is a coal mining device for an open-pit coal mine, comprising a base 1, a dustproof component 6 and a stabilizing component 7. A mounting frame 2 is arranged on the left side of the top of the base 1. The right side of the mounting frame 2 is mounted with the base 1 through two hydraulic cylinders 3. A crushing roller 4 is arranged between the two sides of the inner cavity of the mounting frame 2. A material receiving cover 5 is fixedly connected to the bottom between the front and rear sides of the inner cavity of the mounting frame 2. The dustproof component 6 is arranged on the top of the mounting frame 2, comprising a fixed frame 601. A gear 602 is movably connected to the bottom of the inner cavity of the fixed frame 601. An atomizing nozzle 603 is fixedly connected to the left side of the gear 602. A tooth plate 604 is meshed on the right side of the gear 602. The tooth plate 604 is The front side and the rear side both penetrate to the outside of the fixed frame 601, the right side of the fixed frame 601 is fixedly connected to a cylinder 605, the front side of the output end of the cylinder 605 is fixedly connected to the tooth plate 604, the stabilizing component 7 is arranged on the top of the base 1, including a control box 701, the bottom of the inner cavity of the control box 701 is fixedly connected to a motor 702, the front and rear sides of the output end of the motor 702 are fixedly connected to a screw 703, the surface of the screw 703 is provided with a telescopic rod 704, the opposite sides of the two telescopic rods 704 both penetrate the control box 701 and are fixedly connected to an electric push rod 705, and the bottom of the output end of the electric push rod 705 is fixedly connected to an anti-skid plate 706.

[0032] Specifically: the shape of the mounting frame 2 is L-shaped, the hydraulic cylinder 3 can adjust the use height of the mounting frame 2, the gear 602 can cooperate with the tooth plate 604 to control the use angle of the atomizing nozzle 603, the atomizing nozzle 603 can spray water in atomized form and is used for dust reduction work during coal mining, the cylinder 605 can adjust the use position of the tooth plate 604, the screw 703 can cooperate with the motor 702 to control the working position of the telescopic rod 704 and the electric push rod 705, and the anti-slip plate 706 can contact the ground to improve the stability of the base 1. Specific embodiment 2

[0034] See also Figure 1-5 On the basis of the specific embodiment 1, the front and rear sides of the base 1 are fixedly connected with positioning plates, a sliding rod is fixedly connected between the top and bottom of the inner cavity of the positioning plate, a sliding sleeve is provided on the surface of the sliding rod, and the opposite sides of the two sliding sleeves are fixedly connected to the mounting frame 2, a conveyor belt 8 is fixedly connected to the right side of the top of the base 1, and track wheels 9 are fixedly connected to the front and rear sides of the bottom of the base 1, and a fixed plate is movably connected to the top of the gear 602, and the right side of the fixed plate is fixedly connected to the inner wall of the fixed frame 601.

[0035] Specifically: the positioning plate is fixedly connected to the base 1 by welding, the sliding rod and the sliding sleeve can limit the mounting frame 2 so that it can move up and down smoothly, the conveyor belt 8 can transport the mined coal to the outside of the base 1, the crawler wheel 9 can facilitate the movement of the base 1, and the fixed plate can improve the stability of the gear 602 during rotation. Specific embodiment three

[0037] See also Figure 1-5 On the basis of the first and second specific embodiments, a slide groove 10 is provided on the right side of the inner cavity of the fixed frame 601, and a slider 11 is slidably connected to the inner cavity of the slide groove 10, and the left side of the slider 11 is fixedly connected to the tooth plate 604, and the front and rear sides of the control box 701 are provided with adjustment openings for use with the telescopic rod 704, and the bottom of the anti-slip plate 706 is fixedly connected with anti-slip nails, and the front and rear sides of the fixed frame 601 are provided with movable openings for use with the tooth plate 604, and the top of the atomizing nozzle 603 is connected to the water pipe 12, the inner wall of the telescopic rod 704 is threadedly connected to the screw 703, and the output end of the front side of the cylinder 605 is fixedly connected to the tooth plate 604 through a connecting block.

[0038] Specifically: the slide groove 10 and the slider 11 can enable the tooth plate 604 to move forward and backward smoothly, the adjustment opening can facilitate the telescopic rod 704 to control the use position of the electric push rod 705 and the anti-slip plate 706, the anti-slip spikes can increase the anti-slip performance of the anti-slip plate 706, the movable opening can facilitate the tooth plate 604 to move forward and backward, and the water pipe 12 can transport dust reduction water to the atomizing nozzle 603.

[0039] The working principle of the utility model is as follows: the base 1 is moved to the mining work point by the crawler wheel 9, the motor 702 is turned on, the motor 702 cooperates with the screw 703 to drive the telescopic rod 704 and the electric push rod 705 to move, the electric push rod 705 starts to control the anti-slip plate 706 to contact with the ground, and the anti-slip nails are used to improve its stability to prevent the base 1 from being displaced during the mining process, and then the water is transported to the atomizing nozzle 603 through the water pipe 12, the atomizing nozzle 603 sprays the water in an atomized form, and the cylinder 605 is turned on, and the cylinder 605 drives the tooth plate 604 to move back and forth, and the tooth plate 604 moves and cooperates with the gear 602 to control the atomizing nozzle 603 to swing continuously, thereby increasing its spraying range, and preventing a large amount of dust from being generated during the mining process by continuously spraying dust-reducing water to avoid its impact on the staff.

[0040] 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.

[0041] 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. An open-pit coal mining device, comprising a base (1), a dust prevention component (6) and a stabilizing component (7), characterized in that: A mounting frame (2) is arranged on the left side of the top of the base (1); the right side of the mounting frame (2) is mounted on the base (1) via two hydraulic cylinders (3); a crushing roller (4) is arranged between the two sides of the inner cavity of the mounting frame (2); and a material receiving cover (5) is fixedly connected to the bottom between the front side and the rear side of the inner cavity of the mounting frame (2); The dustproof component (6) is arranged on the top of the mounting frame (2), and comprises a fixed frame (601), the bottom of the inner cavity of the fixed frame (601) is movably connected to a gear (602), the left side of the gear (602) is fixedly connected to an atomizing nozzle (603), the right side of the gear (602) is meshed with a toothed plate (604), the front and rear sides of the toothed plate (604) both penetrate to the outside of the fixed frame (601), the right side of the fixed frame (601) is fixedly connected to a cylinder (605), and the front side of the output end of the cylinder (605) is fixedly connected to the toothed plate (604); The stabilizing assembly (7) is arranged on the top of the base (1), and comprises a control box (701). The bottom of the inner cavity of the control box (701) is fixedly connected to a motor (702). The front and rear sides of the output end of the motor (702) are fixedly connected to screw rods (703). The surface of the screw rod (703) is sleeved with telescopic rods (704). The opposite sides of the two telescopic rods (704) penetrate the control box (701) and are fixedly connected to electric push rods (705). The bottom of the output end of the electric push rod (705) is fixedly connected to an anti-slip plate (706).

2. The open-pit coal mining device according to claim 1, characterized in that: The front and rear sides of the base (1) are fixedly connected to positioning plates, a sliding rod is fixedly connected between the top and bottom of the inner cavity of the positioning plate, a sliding sleeve is sleeved on the surface of the sliding rod, and the opposite sides of the two sliding sleeves are fixedly connected to the mounting frame (2).

3. The open-pit coal mining device according to claim 1, characterized in that: A conveyor belt (8) is fixedly connected to the right side of the top of the base (1), and track wheels (9) are fixedly connected to the front and rear sides of the bottom of the base (1).

4. The open-pit coal mining device according to claim 1, characterized in that: The top of the gear (602) is movably connected to a fixing plate, and the right side of the fixing plate is fixedly connected to the inner wall of the fixing frame (601).

5. The open-pit coal mining device according to claim 1, characterized in that: A slide groove (10) is provided on the right side of the inner cavity of the fixed frame (601), a sliding block (11) is slidably connected to the inner cavity of the slide groove (10), and the left side of the sliding block (11) is fixedly connected to the tooth plate (604).

6. The open-pit coal mining device according to claim 1, characterized in that: The front and rear sides of the control box (701) are both provided with adjustment openings for use with the telescopic rod (704), and the bottom of the anti-slip plate (706) is fixedly connected with anti-slip spikes.

7. The open-pit coal mining device according to claim 1, characterized in that: The front and rear sides of the fixed frame (601) are both provided with movable openings for use in conjunction with the toothed plate (604), and the top of the atomizing nozzle (603) is connected to a water delivery pipe (12).

8. The open-pit coal mining device according to claim 1, characterized in that: The inner wall of the telescopic rod (704) is threadedly connected to the screw rod (703), and the output end of the front side of the cylinder (605) is fixedly connected to the toothed plate (604) via a connecting block.

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