Drum-type coal mining device

Abstract

The utility model discloses a drum-type coal mining device, which relates to the technical field of coal mining, and comprises a machine body and a mechanical transmission arm arranged on the right side of the machine body, a dustproof mechanism is arranged outside the mechanical transmission arm, the dustproof mechanism comprises an arc-shaped seat arranged outside the mechanical transmission arm, the outer arc surface of the arc-shaped seat is provided with a sliding chute, and the sliding chute is provided with an opening. Fixing frames are fixedly connected to the front surface of the arc-shaped base, one ends of the fixing frames are jointly and fixedly connected with a motor base, a gear motor is installed on the front surface of the motor base, the output end of the gear motor is fixedly connected with a connecting rod, and a limiting sliding frame is fixedly connected to the upper end of the connecting rod. A self-rotating spray head is arranged at the upper end of the limiting sliding frame, and a fixing mechanism is arranged between the limiting sliding frame and the self-rotating spray head. Compared with an existing common drum-type coal mining device, the drum-type coal mining device has the advantages that compared with a multi-point fixed nozzle, the drum-type coal mining device can form a better dustproof effect, and meanwhile, a better adjusting effect can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, in particular to a drum type coal mining device. BACKGROUND

[0002] In recent years, with the improvement of mechanization degree, the reserves of thick coal seam and medium thick coal seam in China are decreasing day by day, and even exhausted, therefore, the mining technology of thin coal seam must be paid attention to. In the traditional coal mining technology, most of the fixed nozzles are installed on the mechanical transmission arm to improve the coal mining environment and reduce dust, but dust mostly appears at the contact between the drum and the coal seam, the dust prevention effect of this method is poor, and the drum type coal mining device with dust prevention effect is difficult to adjust to the appropriate position for dust prevention according to the direction of the outside world.

[0003] Therefore, in view of the above, the existing structure is improved, and a drum type coal mining device is provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a drum type coal mining device to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drum type coal mining device, comprising a machine body and a mechanical transmission arm arranged on the right side of the machine body, a dust prevention mechanism is arranged outside the mechanical transmission arm, the dust prevention mechanism comprises an arc-shaped seat arranged outside the mechanical transmission arm, a sliding groove is formed in the outer arc surface of the arc-shaped seat, a fixed frame is fixedly connected to the front surface of the arc-shaped seat, one end of the fixed frame is fixedly connected to a motor seat, a speed reducer motor is installed on the front surface of the motor seat, a connecting rod is fixedly connected to the output end of the speed reducer motor, a limiting slide is fixedly connected to the upper end of the connecting rod, a self-rotating nozzle is arranged on the upper end of the limiting slide, and a fixing mechanism is arranged between the limiting slide and the self-rotating nozzle.

[0006] Preferably, the fixing mechanism comprises a groove seat fixedly connected to the upper end of the limiting slide, a non-slip pad is bonded to the inner surface of one side of the groove seat, a double pipe is arranged in the interior of the groove seat, the lower end of the double pipe is connected to a water pump in the interior of the machine body through a pipeline, the upper end of the double pipe is connected to the self-rotating nozzle through threads, and a first fastening bolt is screw-connected to the left outer surface of the groove seat.

[0007] Preferably, a threaded seat is fixedly connected to the inner arc surface of one side of the arc-shaped seat, a screw rod is screw-connected to the left outer surface of the interior of the threaded seat, a nut is welded to the left end outer circular surface of the screw rod, and a first arc-shaped non-slip plate is rotatably connected to the left end of the screw rod.

[0008] Preferably, the upper and lower sections of the arc-shaped seat are threadedly connected with a second fastening bolt, one end of the second fastening bolt being rotatably connected with a second arc-shaped anti-skid plate.

[0009] Preferably, the upper portion of the body is rotatably connected with a protective plate through a reinforcing shaft, the front side of the upper surface of the body is rotatably connected with a first hydraulic telescopic rod, and the upper end of the first hydraulic telescopic rod is rotatably connected to the lower surface of the protective plate.

[0010] Preferably, the right outer surface of the body is fixedly connected with an ear plate, the outer surface of the ear plate is rotatably connected with a hinge, and the hinge is fixedly connected to the outer surface of the mechanical transmission arm.

[0011] Preferably, the right surface of the body is fixedly connected with a support arm, the rear surface of the support arm is rotatably connected with a second hydraulic telescopic rod, and the upper end of the second hydraulic telescopic rod is rotatably connected to the lower surface of the mechanical transmission arm.

[0012] Preferably, the lower surface of the body is fixedly connected with a support seat, and the inner surface of the support seat is provided with a track wheel.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a body, a mechanical transmission arm, a dustproof mechanism, an arc-shaped seat, a sliding groove, a fixing frame, a motor base, a speed reducer motor, a connecting rod, a limiting slide, a self-rotating nozzle, a fixing mechanism, a groove seat, an anti-skid pad, a double pipe and a first fastening bolt are arranged, the water pump in the body can supply water to the self-rotating nozzle through the pipeline and the double pipe, the self-rotating nozzle can rotate and spray water automatically under the action of water pressure, and compared with the multi-point fixed nozzle, the utility model can form better dustproof effect and better adjustment effect.

[0015] 2. The utility model discloses a threaded seat, a screw rod, a nut, a first arc-shaped anti-skid plate, a second fastening bolt and a second arc-shaped anti-skid plate are arranged, and the installation troubles caused by errors can be avoided. DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the mechanical transmission arm of the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the arc-shaped seat of the utility model;

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model Figure 3 It is the enlarged structure schematic diagram of A of the utility model;

[0020] Figure 5 The utility model discloses Figure 3 The amplification structure schematic diagram of B.

[0021] In the figure: 1, the body; 2, mechanical transmission arm; 3, dustproof mechanism; 31, arc seat; 32, sliding groove; 33, fixed frame; 34, motor seat; 35, speed reducer motor; 36, connecting rod; 37, limit sliding frame; 38, self-rotating spray head; 39, fixing mechanism; 391, groove seat; 392, non-slip pad; 393, double passage; 394, first fastening bolt; 4, threaded seat; 5, screw; 6, nut; 7, first arc-shaped non-slip plate; 8, second fastening bolt; 9, second arc-shaped non-slip plate; 10, guard plate; 11, first hydraulic telescopic rod; 12, ear plate; 13, hinge; 14, support arm; 15, second hydraulic telescopic rod; 16, support seat. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figure 1 , 2 , 4 shows a drum type coal mining device, including body 1 and the mechanical transmission arm 2 of setting at the right side of body 1, the outside of mechanical transmission arm 2 is provided with dustproof mechanism 3, and dustproof mechanism 3 includes the arc seat 31 of setting at the outside of mechanical transmission arm 2, and the outer arc surface of arc seat 31 is provided with sliding groove 32, and the front surface of arc seat 31 is fixedly connected with fixed frame 33, and one end of fixed frame 33 is commonly fixedly connected with motor seat 34, and the front surface of motor seat 34 is installed with speed reducer motor 35, and the output end of speed reducer motor 35 is fixedly connected with connecting rod 36, and the upper end of connecting rod 36 is fixedly connected with limit sliding frame 37, and the upper end of limit sliding frame 37 is provided with self-rotating spray head 38, and fixing mechanism 39 is arranged between limit sliding frame 37 and self-rotating spray head 38, and the lower end of limit sliding frame 37 is sliding block, and sliding block can stably slide in the inside of sliding groove 32, and fixing mechanism 39 includes groove seat 391 fixedly connected on the upper end of limit sliding frame 37, and non-slip pad 392 is bonded on the inside surface of one side of groove seat 391, and double passage 393 is arranged in the inside of groove seat 391, and the lower end of double passage 393 is connected to the water pump inside body 1 through pipeline, and the upper end is connected with self-rotating spray head 38 through thread, and the left side outer surface of groove seat 391 extends to the inside screw connection with first fastening bolt 394.

[0024] By adopting the above technical scheme, when the coal is mined by the coal mining device, the water pump in the machine body 1 can supply water to the self-rotating nozzle 38 through the pipeline and the double-way 393, the self-rotating nozzle 38 can automatically rotate and spray water under the action of water pressure, effectively preventing the dust of coal mining from overflowing, in addition, when there is a large wind outside, the scattering angle of the self-rotating nozzle 38 can be adjusted according to the wind direction, when adjusting, the reduction motor 35 can drive the connecting rod 36 to rotate, drive the limiting slide 37 to rotate, so as to adjust the scattering protection effect of the self-rotating nozzle 38, if it is needed to disassemble and replace the self-rotating nozzle 38 and the fixed part, the first fastening bolt 394 can be loosened, and the fixed part can be taken off.

[0025] As shown in Figure 1 , 3 , 5, the inner arc surface of one side of the arc-shaped seat 31 is fixedly connected with a threaded seat 4, the threaded seat 4 is threadedly connected with a screw rod 5 extending to the outer surface of the left side, the outer circular surface of the left end of the screw rod 5 is welded with a nut 6, and the left end of the screw rod 5 is rotatably connected with a first arc-shaped anti-skid plate 7.

[0026] Further, the upper and lower sections of the arc-shaped seat 31 are threadedly connected with a second fastening bolt 8, one end of the second fastening bolt 8 is rotatably connected with a second arc-shaped anti-skid plate 9.

[0027] Further, the upper part of the machine body 1 is rotatably connected with a protective plate 10 through a reinforcing shaft, the upper surface of the machine body 1 is rotatably connected with a first hydraulic telescopic rod 11, and the upper end of the first hydraulic telescopic rod 11 is rotatably connected to the lower surface of the protective plate 10, the first hydraulic telescopic rod 11 supports the protective plate 10 to be close to the coal wall, effectively preventing collapse.

[0028] Further, the right outer surface of the machine body 1 is fixedly connected with an ear plate 12, the outer surface of the ear plate 12 is rotatably connected with a hinge 13, and the hinge 13 is fixedly connected to the outer surface of the mechanical transmission arm 2.

[0029] Further, the right surface of the machine body 1 is fixedly connected with a support arm 14, the rear surface of the support arm 14 is rotatably connected with a second hydraulic telescopic rod 15, and the upper end of the second hydraulic telescopic rod 15 is rotatably connected to the lower surface of the mechanical transmission arm 2, the second hydraulic telescopic rod 15 can support the mechanical transmission arm 2 through the ear plate 12 and the hinge 13, and the height of the mechanical transmission arm 2 can be adjusted.

[0030] Further, the lower surface of the machine body 1 is fixedly connected with a support seat 16, and the inner surface of the support seat 16 can be installed with a track wheel, and the support seat 16 can select to install a wheel body according to the purpose.

[0031] Working principle: when using the drum type coal mining device, first, the drum coal mining device, the water pump in the body 1 can supply water for the self-rotating nozzle 38 through the pipeline and the double-way 393, the self-rotating nozzle 38 can rotate automatically under the action of water pressure, effectively prevent the dust overflow of coal mining, in addition, when there is a large wind outside, the dispersion angle of the self-rotating nozzle 38 can be adjusted according to the wind direction, when adjusting, the speed reducing motor 35 can drive the connecting rod 36 to rotate, drive the limiting slide 37 to rotate, so as to adjust the dispersion protection effect of the self-rotating nozzle 38, if the self-rotating nozzle 38 and the fixed part need to be disassembled and replaced, the first fastening bolt 394 can be loosened, the fixed part can be removed, when the arc-shaped seat 31 is installed on the mechanical transmission arm 2, the screw 5 can be controlled to stretch and retract in the threaded seat 4 through the nut 6 on the screw 5, so as to tightly attach the first arc-shaped anti-skid plate 7 to the outside of the mechanical transmission arm 2, by rotating the second fastening bolt 8, the second arc-shaped anti-skid plate 9 can be tightly attached to the outside of the mechanical transmission arm 2, three-point cooperation realizes better installation and fastening effect, which is the working principle of the drum type coal mining device.

Claims

1. A drum-type coal mining device comprising a machine body (1) and a mechanical transmission arm (2) arranged on the right side of the machine body (1), characterized in that, The outer part of the mechanical transmission arm (2) is provided with a dustproof mechanism (3), the dustproof mechanism (3) comprises an arc-shaped seat (31) arranged on the outer part of the mechanical transmission arm (2), the outer arc surface of the arc-shaped seat (31) is provided with a sliding groove (32), the front surface of the arc-shaped seat (31) is fixedly connected with a fixing frame (33), one end of the fixing frame (33) is fixedly connected with a motor seat (34), the front surface of the motor seat (34) is provided with a speed reducer motor (35), the output end of the speed reducer motor (35) is fixedly connected with a connecting rod (36), the upper end of the connecting rod (36) is fixedly connected with a limiting sliding frame (37), the upper end of the limiting sliding frame (37) is provided with a self-rotating nozzle (38), and a fixing mechanism (39) is arranged between the limiting sliding frame (37) and the self-rotating nozzle (38).

2. A drum-type coal extraction device according to claim 1, characterized in that The fixing mechanism (39) comprises a groove seat (391) fixedly connected to the upper end of the limiting sliding frame (37), the inner surface of one side of the groove seat (391) is bonded with a non-slip pad (392), the inner part of the groove seat (391) is provided with a double passage (393), the lower end of the double passage (393) is connected to the water pump in the machine body (1) through a pipeline, the upper end is connected with the self-rotating nozzle (38) through a thread, and the left outer surface of the groove seat (391) is screw-connected with a first fastening bolt (394) extending to the inner part.

3. A drum-type coal extraction device according to claim 1, characterized in that The inner arc surface of one side of the arc-shaped seat (31) is fixedly connected with a threaded seat (4), the threaded seat (4) is screw-connected with a screw rod (5) extending to the left outer surface, the left end outer circular surface of the screw rod (5) is welded with a nut (6), and the left end of the screw rod (5) is rotatably connected with a first arc-shaped anti-skid plate (7).

4. A drum-type coal extraction device according to claim 1, characterized in that The upper and lower sections of the arc-shaped seat (31) are screw-connected with a second fastening bolt (8), and one end of the second fastening bolt (8) is rotatably connected with a second arc-shaped anti-skid plate (9).

5. A drum-type coal extraction device according to claim 1, characterized in that The upper part of the machine body (1) is rotatably connected with a protective plate (10) through a reinforcing shaft, the upper surface of the machine body (1) is rotatably connected with a first hydraulic telescopic rod (11), and the upper end of the first hydraulic telescopic rod (11) is rotatably connected to the lower surface of the protective plate (10).

6. A drum-type coal extraction device according to claim 1, characterized in that The right outer surface of the machine body (1) is fixedly connected with an ear plate (12), the outer surface of the ear plate (12) is rotatably connected with a hinge (13), and the hinge (13) is fixedly connected to the outer surface of the mechanical transmission arm (2).

7. A drum-type coal extraction device according to claim 1, characterized in that The right surface of the machine body (1) is fixedly connected with a supporting arm (14), the rear surface of the supporting arm (14) is rotatably connected with a second hydraulic telescopic rod (15), and the upper end of the second hydraulic telescopic rod (15) is rotatably connected to the lower surface of the mechanical transmission arm (2).

8. A drum-type coal extraction device according to claim 1, characterized in that The lower surface of the machine body (1) is fixedly connected with a supporting seat (16), and the inner surface of the supporting seat (16) is provided with a track wheel.

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