Spraying structure of roller of coal mining machine

Abstract

The utility model provides a coal mining machine roller spraying structure, and relates to the technical field of roller coal mining machine spraying. A roller spraying structure of a coal mining machine comprises a roller body and a spraying mechanism, the roller body is provided with a driving motor for driving the roller body to rotate, the driving motor is fixed to a machine body of the coal mining machine, and the spraying mechanism comprises an annular pipeline fixed to the driving motor. And one side surface of the annular pipeline is movably connected with a movable spray head. According to the device, water is supplied to the interior of an annular pipeline, the water is finally sprayed out through a movable spray head, an adjusting sliding block is controlled to slide in a fixed sliding way, the position of the adjusting sliding block in the fixed sliding way is adjusted, the movable spray head is pulled to rotate under the connecting action of a connecting pull rod, and the spraying angle of the movable spray head is adjusted; more accurate spraying is achieved, water mist waste is reduced, and meanwhile the situation that the visual field is poor due to large-range spraying is avoided.

Description

Technical Field

[0001] The utility model relates to a spray structure, in particular to a drum spray structure for a coal mining machine, and belongs to the technical field of drum coal mining machine spraying. Background Art

[0002] The drum coal mining machine is mainly composed of an electric motor, a traction part, a cutting part and ancillary devices. According to the different degrees of mechanization, the mechanized coal mining face can be divided into ordinary mechanized coal mining face and comprehensive mechanized coal mining face, referred to as ordinary mining face and comprehensive mining face. The coal mining machine will generate a lot of dust when in use, which can easily affect the workers' vision, and the large amount of dust in the air can easily endanger the health of the workers. Dust reduction is carried out by using spray.

[0003] Chinese patent announcement number CN208803845U discloses a thin coal seam coal mining machine drum spray dust suppression device, which belongs to the field of automation technology. The thin coal seam coal mining machine drum spray dust suppression device is installed on the thin coal seam coal mining machine drum, including a drum hub, an end cover, a blade, a nozzle and a water pipe; the drum hub is arranged on the inner wall of the drum, and a hole 1 is arranged on the drum hub for passing the water pipe; the end cover is arranged on the top of the drum, and a water inlet is arranged on the end cover, and the water inlet is connected to the nozzle through the water pipe; the blade is arranged on the outer wall of the drum, the blade is spirally along the drum, and a hole 2 is arranged on the blade; the nozzle is arranged on the blade, and the nozzle sprays water from the hole 2.

[0004] However, the inventor of the above device believes that there are certain defects. The positions of the nozzles in the above device are fixed and difficult to adjust. The spray adopts full-range spray, and the large spray range easily affects the field of vision, which increases the difficulty of coal mining operations. The dust reduction effect of spraying in some locations with less dust is small, resulting in waste of water resources and poor dust reduction effect. For this reason, the utility model provides a coal mining machine drum spray structure. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a coal mining machine drum spray structure in order to solve the above problems, so as to solve the problems in the prior art that the positions of the nozzles are fixed and difficult to adjust, the spray adopts full-range spray, and the large spray range easily affects the field of vision.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a coal mining machine drum spray structure, including a drum body and a spray mechanism, the drum body is provided with a driving motor for driving the drum body to rotate, the driving motor is fixed on the body of the coal mining machine, the spray mechanism includes an annular pipeline fixed on the driving motor, a movable nozzle is movably connected to one side of the annular pipeline, the movable nozzle and the annular pipeline are connected by a connecting hose, an adjusting mechanism for adjusting the inclination angle of the movable nozzle is provided on the annular pipeline, the adjusting mechanism includes a fixed slideway fixed to the outer surface of the annular pipeline, an adjusting slider is slidably connected to the inside of the fixed slideway, one end of the adjusting slider is hinged to a connecting rod through a pin shaft, and the other end of the connecting rod is hinged to the movable nozzle through a pin shaft.

[0009] Preferably, two fixing plates are fixedly connected to the annular pipeline, and the movable nozzle is rotatably connected between the two fixing plates via a rotating shaft, and the movable nozzle is supported by the fixed plate to rotate on one side of the annular pipeline.

[0010] Preferably, the fixed slide is internally rotatably connected with an adjusting screw, and one end of the adjusting slider is threadedly connected to the adjusting screw. The adjusting screw is rotated inside the fixed slide, thereby causing the adjusting slider to slide inside the fixed slide to adjust the position of the adjusting slider inside the fixed slide.

[0011] Preferably, one end of the adjusting screw extends to the bottom of the fixed slideway, and one end of the adjusting screw is fixedly connected with a nut, so that the adjusting screw can be driven to rotate conveniently by the provided nut.

[0012] Preferably, one side of the annular pipeline is fixedly connected to a connecting cylinder, and the connecting cylinder is fixedly connected to a fixed nozzle, so that the water mist sprayed by the fixed nozzle can prevent the dust generated during the mining process of the drum body from spreading.

[0013] Preferably, there are multiple fixed nozzles, which are distributed on the outer surface of the connecting cylinder in a circular array, and an annular spray is formed on one end of the drum body by setting the multiple fixed nozzles in the circular array.

[0014] Preferably, a water connection hose is fixedly connected to the other side of the annular pipeline, and the inner diameter of the connecting tube is equal to the inner diameter of the annular pipeline. By connecting the water connection hose to the water supply equipment, the annular pipeline and the connecting tube are continuously supplied with water.

[0015] The utility model provides a coal mining machine drum spray structure, which has the following beneficial effects:

[0016] 1. The device supplies water to the inside of the annular pipeline, and the water is finally sprayed out through the movable nozzle. The adjusting slider is controlled to slide inside the fixed slide to adjust the position of the adjusting slider inside the fixed slide. The movable nozzle is pulled to rotate under the connection of the connecting rod to complete the adjustment of the spray angle of the movable nozzle, so as to achieve more precise spraying, reduce water mist waste, and avoid poor vision caused by large-scale spraying.

[0017] 2. The device makes the adjusting slider slide inside the fixed slide by rotating the adjusting screw to quickly adjust the position of the adjusting slider inside the fixed slide, thereby adjusting the inclination angle of the movable nozzle, and spraying in the vertical plane direction through the set fixed nozzle, further improving the overall dust reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall stereogram of the utility model;

[0019] Figure 2 This is a three-dimensional diagram of the spray mechanism of the utility model;

[0020] Figure 3 For the utility model Figure 1 A magnified schematic diagram;

[0021] Figure 4 This is a cross-sectional view of the annular pipeline and the connecting tube of the utility model.

[0022]

Main component symbol description

[0023] 1. Drum body; 2. Driving motor; 3. Annular pipeline; 31. Movable nozzle; 32. Connecting hose; 33. Fixed plate; 34. Water connecting hose; 4. Connecting tube; 41. Fixed nozzle; 5. Fixed slideway; 6. Adjusting screw; 7. Adjusting slider; 71. Connecting pull rod. DETAILED DESCRIPTION

[0024] The utility model embodiment provides a drum spray structure for a coal mining machine.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4A coal mining machine drum spray structure includes a drum body 1 and a spray mechanism. The drum body 1 is provided with a driving motor 2 for driving the drum body 1 to rotate. The driving motor 2 is fixed to the body of the coal mining machine. The drum body 1 is driven to rotate by starting the driving motor 2. The spray mechanism includes an annular pipeline 3 fixed to the driving motor 2. A movable nozzle 31 is movably connected to one side of the annular pipeline 3. Two fixed plates 33 are fixedly connected to the annular pipeline 3. The movable nozzle 31 is rotatably connected between the two fixed plates 33 through a rotating shaft. The movable nozzle 31 and the annular pipeline 3 are connected through a connecting hose 32. Water is supplied to the inside of the annular pipeline 3, and the water is transported to the inside of the movable nozzle 31 through the connecting hose 32, and finally sprayed out through the movable nozzle 31 to reduce dust. The movable nozzle 31 is installed and fixed by the set fixed plate 33.

[0026] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4 An adjusting mechanism for adjusting the inclination angle of the movable nozzle 31 is provided on the annular pipeline 3, and the adjusting mechanism includes a fixed slide 5 fixed on the outer surface of the annular pipeline 3, and an adjusting slider 7 is slidably connected inside the fixed slide 5. One end of the adjusting slider 7 is hinged with a connecting rod 71 through a pin shaft, and the other end of the connecting rod 71 is hinged to the movable nozzle 31 through a pin shaft. By controlling the adjusting slider 7 to slide inside the fixed slide 5, the movable nozzle 31 is pulled to rotate around the rotating shaft under the connection action of the connecting rod 71 to adjust the inclination angle of the movable nozzle 31 relative to the drum body 1.

[0027] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4 The fixed slide 5 is internally rotatably connected with an adjusting screw 6, one end of the adjusting slider 7 is threadedly connected to the adjusting screw 6, one end of the adjusting screw 6 extends to the bottom of the fixed slide 5, and one end of the adjusting screw 6 is fixedly connected with a nut. By rotating the nut at one end of the adjusting screw 6, the adjusting screw 6 is driven to rotate inside the fixed slide 5, so as to quickly adjust the position of the adjusting slider 7 in the fixed slide 5, so as to quickly adjust the inclination angle of the movable nozzle 31.

[0028] Please refer again Figure 1 , Figure 2 and Figure 4One side of the annular pipeline 3 is fixedly connected to a connecting cylinder 4, and a fixed nozzle 41 is fixedly connected to the connecting cylinder 4. There are multiple fixed nozzles 41, and the multiple fixed nozzles 41 are distributed on the outer surface of the connecting cylinder 4 in a circular array. The other side of the annular pipeline 3 is fixedly connected to a water receiving hose 34. The inner diameter value of the connecting cylinder 4 is equal to the inner diameter value of the annular pipeline 3. It is connected to the external water supply equipment through the water receiving hose 34, and water is supplied to the inside of the annular pipeline 3 through the water receiving hose 34. The water flows into the inside of the annular pipeline 3 and the connecting cylinder 4, and then is sprayed out through the movable nozzle 31 and the fixed nozzle 41. The fixed nozzle 41 is set to spray in the vertical plane direction, thereby further improving the overall dust reduction effect.

[0029] Working principle: the driving motor 2 is fixed on the body of the coal mining machine, one end of the water hose 34 is connected to the water supply equipment, and the adjusting screw 6 is driven to rotate inside the fixed slide 5. The adjusting slider 7 slides inside the fixed slide 5, and the inclination angle of the movable nozzle 31 with respect to the drum body 1 is adjusted under the connecting action of the connecting rod 71 to achieve more precise spraying. When the drum body 1 is working, water is supplied to the inside of the annular pipeline 3 through the water hose 34, and the water is sprayed through the water mist of the movable nozzle 31 to reduce dust around the drum body 1, and the water mist sprayed from the fixed nozzle 41 is used to spray in the vertical plane direction, which further improves the overall dust reduction effect.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A coal mining machine drum spray structure, comprising a drum body (1) and a spray mechanism, characterized in that: The roller body (1) is provided with a driving motor (2) for driving the roller body (1) to rotate, and the driving motor (2) is fixed on the body of the coal mining machine. The spray mechanism includes an annular pipeline (3) fixed on the driving motor (2), and a movable nozzle (31) is movably connected to one side of the annular pipeline (3). The movable nozzle (31) and the annular pipeline (3) are connected through a connecting hose (32). The annular pipeline (3) is provided with an adjusting mechanism for adjusting the inclination angle of the movable nozzle (31). The adjusting mechanism includes a fixed slideway (5) fixed on the outer surface of the annular pipeline (3), and an adjusting slider (7) is slidably connected inside the fixed slideway (5). One end of the adjusting slider (7) is hinged to a connecting rod (71) through a pin shaft, and the other end of the connecting rod (71) is hinged to the movable nozzle (31) through a pin shaft.

2. A coal mining machine drum spray structure according to claim 1, characterized in that: Two fixed plates (33) are fixedly connected to the annular pipeline (3), and the movable spray head (31) is rotatably connected between the two fixed plates (33) via a rotating shaft.

3. A coal mining machine drum spray structure according to claim 1, characterized in that: An adjusting screw rod (6) is rotatably connected inside the fixed slideway (5), and one end of the adjusting sliding block (7) is threadedly connected to the adjusting screw rod (6).

4. A coal mining machine drum spray structure according to claim 3, characterized in that: One end of the adjusting screw rod (6) extends to the bottom of the fixed slideway (5), and one end of the adjusting screw rod (6) is fixedly connected with a nut.

5. A coal mining machine drum spray structure according to claim 1, characterized in that: One side of the annular pipeline (3) is fixedly connected to a connecting cylinder (4), and the connecting cylinder (4) is fixedly connected to a fixed nozzle (41).

6. A coal mining machine drum spray structure according to claim 5, characterized in that: The number of the fixed nozzles (41) is multiple, and the multiple fixed nozzles (41) are distributed on the outer surface of the connecting tube (4) in a circular array.

7. A coal mining machine drum spray structure according to claim 5, characterized in that: The other side of the annular pipeline (3) is fixedly connected to a water receiving hose (34), and the inner diameter of the connecting tube (4) is equal to the inner diameter of the annular pipeline (3).

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