Mining machine for coal mining

Abstract

The utility model relates to the technical field of coal mining, in particular to a mining machine for coal mining, which comprises a drill bit component, an adjusting mechanism is connected to the left side of the drill bit component and comprises a first hydraulic rod, and one side of the first hydraulic rod is connected with the drill bit component. A first driving motor is fixedly connected to the left side of the first hydraulic rod, a sliding base is fixedly connected to the left side of the first driving motor, and a linear motor is connected to the surface of the sliding base in a penetrating mode. By arranging the drill bit assemblies, the first hydraulic rod, the first driving motor, the sliding base, the linear motor, the dust suction pipe and the rotating mechanism, the drill bit assemblies can be driven to rotate, the two drill bit assemblies work at the same time, the coal mining efficiency is greatly improved, the distance between the two drill bit assemblies is conveniently adjusted, and the rotating angle of the two drill bit assemblies is adjusted at the same time; the flexibility of the drill bit assembly is improved, and coal mining operation can be conveniently carried out on different positions.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a coal mining excavator. Background Art

[0002] A tunnel boring machine is a comprehensive equipment that uses mechanical crushing of rocks, mucking and support to carry out continuous operations. According to the cutting process of the tunnel boring machine on the working face, it is divided into full-section tunnel boring machines and partial-section tunnel boring machines. It is mainly composed of a traveling mechanism, a working mechanism, a loading mechanism and a transfer mechanism.

[0003] After searching, the publication number CN111894575B is named as a coal mining roadheader, including a main frame and a shell. Through research and analysis, it is found that although the time for replacing the drill bit of the equipment is reduced, it still has the following disadvantages to a certain extent;

[0004] For example, using a single drill bit assembly to mine coal has low work efficiency. At the same time, the drill bit assembly has low flexibility and is inconvenient to adjust the position of the drill bit assembly, which reduces the efficiency of coal mining. In order to solve the above technical problems, it is necessary for us to design a coal mining excavator to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a coal mining excavator, which has the advantages of using a double drill bit assembly to mine coal, high mining efficiency, easy adjustment of the drill bit position, and high flexibility of the drill bit assembly. It solves the problem of using a single drill bit assembly to mine coal, with low working efficiency, low flexibility of the drill bit assembly, and inconvenience in adjusting the position of the drill bit assembly, which reduces the coal mining efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a coal mining excavator, comprising a drill bit assembly, wherein the left side of the drill bit assembly is connected to an adjustment mechanism, the adjustment mechanism comprises a first hydraulic rod, one side of the first hydraulic rod is connected to the drill bit assembly, the left side of the first hydraulic rod is fixedly connected to a first drive motor, the left side of the first drive motor is fixedly connected to a slide, the surface of the slide is connected with a linear motor, the top and bottom of the linear motor are fixedly connected to a dust suction pipe, the left side of the dust suction pipe is fixedly connected to a disc, the left side of the disc is fixedly connected to a rotating mechanism, and the left side of the rotating mechanism is connected to a vertical plate.

[0007] Preferably, the rotating mechanism includes a support column, the right side of the support column is fixedly connected to the disc, the left side of the support column is movably connected to the vertical plate, the surface of the support column is fixedly sleeved with a driven gear, the top of the driven gear is engaged with a driving gear, the left side of the driving gear is fixedly connected to a second drive motor, and the left side of the second drive motor is fixedly connected to the vertical plate.

[0008] Preferably, the front and rear sides of the driven gear are engaged with tooth rings, the bottoms of the tooth rings are fixedly connected with guide plates, the surfaces of the guide plates are penetrated through and connected with guide rods, the front and rear sides of the guide rods are connected with vertical plates through supporting blocks, the bottom of the guide plate is connected with an inclined plate through a rotating shaft, the bottom of the inclined plate is fixedly connected with a second hydraulic rod, and the left side of the second hydraulic rod is fixedly connected with the vertical plate.

[0009] Preferably, the surface of the dust suction pipe is movably sleeved with a circular ring pipe, the left side of the circular ring pipe is communicated with an L-shaped pipe, the bottom of the L-shaped pipe is communicated with a dust collecting box, and the bottom of the dust collecting box is communicated with an air extractor.

[0010] Preferably, the inner cavity of the dust collecting box is provided with a filter frame, and the front side of the filter frame penetrates to the outside of the dust collecting box and is fixedly connected with a handle.

[0011] Preferably, the left side of the vertical plate is fixedly connected with an L-shaped plate, the left side of the L-shaped plate is fixedly connected with a U-shaped plate, and the top of the U-shaped plate is penetrated and threadedly connected with a locking bolt.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a drill head assembly, a first hydraulic rod, a first drive motor, a sliding seat, a linear motor, a dust suction pipe and a rotating mechanism are arranged, the drill head assembly can be driven to rotate, two drill head assemblies work simultaneously, coal mining efficiency is greatly improved, the distance between the two drill head assemblies is adjusted, the rotation angle of the two drill head assemblies is adjusted, the flexibility of the drill head assembly is improved, and coal mining operation is facilitated at different positions.

[0014] 2、The utility model discloses a guide rod and a guide plate are arranged, the tooth ring is guided, the front and rear movement of the tooth ring is facilitated, a tooth ring, a guide plate, a guide rod, an inclined plate and a second hydraulic rod are arranged, the two tooth rings can be approached and separated, the driven gear is locked, then the drill head assembly is locked, and the stability of the drill head assembly is improved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a side view structural schematic view of the utility model;

[0017] Figure 3 It is a dust collecting box and filter frame exploded view of the utility model.

[0018] In the figure: 1. Drill bit assembly; 2. Adjustment mechanism; 20. First hydraulic rod; 21. First drive motor; 22. Slide; 23. Linear motor; 24. Dust suction pipe; 25. Disc; 3. Rotation mechanism; 30. Vertical plate; 31. Support column; 32. Driven gear; 33. Driving gear; 34. Second drive motor; 35. Gear ring; 36. Guide plate; 37. Guide rod; 38. Inclined plate; 39. Second hydraulic rod; 4. Annular tube; 5. L-shaped tube; 6. Dust box; 7. Exhaust fan; 8. Filter frame; 9. L-shaped plate; 10. U-shaped plate; 11. Locking bolt. DETAILED DESCRIPTION

[0019] See also Figures 1-3 A coal mining excavator includes a drill assembly 1. The left side of the drill assembly 1 is connected to an adjustment mechanism 2. The adjustment mechanism 2 includes a first hydraulic rod 20. One side of the first hydraulic rod 20 is connected to the drill assembly 1. The left side of the first hydraulic rod 20 is fixedly connected to a first drive motor 21. The left side of the first drive motor 21 is fixedly connected to a slide 22. A linear motor 23 is connected to the surface of the slide 22. The top and bottom of the linear motor 23 are fixedly connected to a dust suction pipe 24. The left side of the dust suction pipe 24 is fixedly connected to a disc 25. The disc 2 5 is fixedly connected to the left side of the rotary mechanism 3, and the left side of the rotary mechanism 3 is connected to the vertical plate 30. By arranging the drill bit assembly 1, the first hydraulic rod 20, the first drive motor 21, the slide 22, the linear motor 23, the dust suction pipe 24 and the rotary mechanism 3, the drill bit assembly 1 can be driven to rotate. By the two drill bit assemblies 1 working at the same time, the coal mining efficiency is greatly improved, the distance between the two drill bit assemblies 1 is conveniently adjusted, and the rotation angle of the two drill bit assemblies 1 is simultaneously adjusted, thereby improving the flexibility of the drill bit assembly 1 and facilitating coal mining operations at different positions.

[0020] See also Figure 3 The rotating mechanism 3 includes a support column 31, the right side of the support column 31 is fixedly connected to the disc 25, the left side of the support column 31 is movably connected to the vertical plate 30, and a driven gear 32 is fixedly sleeved on the surface of the support column 31. The top of the driven gear 32 is engaged with a driving gear 33, and the left side of the driving gear 33 is fixedly connected to a second driving motor 34. The left side of the second driving motor 34 is fixedly connected to the vertical plate 30. By setting the support column 31, the driven gear 32, the driving gear 33 and the second driving motor 34, the support column 31 can be driven to rotate, thereby driving the drill bit assembly 1 to rotate, and adjusting the angles of the two drill bit assemblies 1 to facilitate coal mining at different positions.

[0021] See also Figure 3The tooth ring 35 is meshed with the driven gear 32 from both front and back sides, the bottom of the tooth ring 35 is fixedly connected with a guide plate 36, the surface of the guide plate 36 is connected with a guide rod 37 in a penetrating mode, the front and back sides of the guide rod 37 are connected with the vertical plate 30 through support blocks, the bottom of the guide plate 36 is connected with an inclined plate 38 through a rotating shaft, the bottom of the inclined plate 38 is fixedly connected with a second hydraulic rod 39, the left side of the second hydraulic rod 39 is fixedly connected with the vertical plate 30, the guide rod 37 and the guide plate 36 are arranged to guide the tooth ring 35, so that the front and back movement of the tooth ring 35 is facilitated, the tooth ring 35, the guide plate 36, the guide rod 37, the inclined plate 38 and the second hydraulic rod 39 are arranged to enable the two tooth rings 35 to approach and separate from each other, so that the driven gear 32 is locked, and then the drill bit assembly 1 is locked, and the stability of the drill bit assembly 1 is improved.

[0022] Please refer to Figure 1 The surface of the dust suction pipe 24 movably sheaths a circular ring pipe 4, the left side of the circular ring pipe 4 is communicated with an L-shaped pipe 5, the bottom of the L-shaped pipe 5 is communicated with a dust collecting box 6, and the bottom of the dust collecting box 6 is communicated with an air extractor 7. The circular ring pipe 4, the L-shaped pipe 5, the dust collecting box 6 and the air extractor 7 are arranged to absorb dust floating in the air during the coal mining process, avoid dust scattering to pollute the working environment, and improve the environmental protection performance of the coal mining device.

[0023] Please refer to Figure 3 A filter frame 8 is arranged in the inner cavity of the dust collecting box 6, and a handle is fixedly connected to the front side of the filter frame 8 and penetrates to the outside of the dust collecting box 6. The filter frame 8 is arranged to collect dust into the inner cavity of the filter frame 8, facilitate the dumping of dust, and facilitate the removal of the filter frame 8 by arranging the handle.

[0024] Please refer to Figure 2 The left side of the vertical plate 30 is fixedly connected with an L-shaped plate 9, the left side of the L-shaped plate 9 is fixedly connected with a U-shaped plate 10, and the top of the U-shaped plate 10 is threadedly connected with a locking bolt 11. The U-shaped plate 10 and the locking bolt 11 are arranged to facilitate the connection with an external driving device, improve the stability of the connection, and facilitate the coal mining operation.

[0025] In use, the first hydraulic rod 20 is controlled to drive the drill bit assembly 1 to move horizontally, so that the drill bit assembly 1 contacts the coal mine, the first driving motor 21 is controlled to drive the drill bit assembly 1 to rotate, the linear motor 23 is controlled to drive the sliding seat 22 to move, so that the two sliding seats 22 move away from or close to each other, and then drive the two drill bit assemblies 1 to move away from or close to each other, so as to adjust the distance between the drill bit assemblies 1, the second driving motor 34 is controlled to drive the driving gear 33 to rotate, the driving gear 33 drives the driven gear 32 to rotate, the driven gear 32 drives the support column 31, the disc 25 and the drill bit assembly 1 to rotate, so that the two drill bit assemblies 1 rotate around the support column 31, and the coal mining area is increased.

[0026] In summary: the coal mining machine, through the setting of drill head assembly 1, first hydraulic rod 20, first drive motor 21, slide 22, linear motor 23, dust suction pipe 24 and rotating mechanism 3, solve the problem of low efficiency of single drill head assembly working in coal mining, low flexibility of drill head assembly, inconvenient to adjust the position of drill head assembly, reduce the efficiency of coal mining.

Claims

1. A coal mining excavator comprising a drill head assembly (1), characterised in that: The left side of the drill bit assembly (1) is connected with an adjusting mechanism (2), the adjusting mechanism (2) comprises a first hydraulic rod (20), one side of the first hydraulic rod (20) is connected with the drill bit assembly (1), the left side of the first hydraulic rod (20) is fixedly connected with a first driving motor (21), the left side of the first driving motor (21) is fixedly connected with a sliding seat (22), the surface of the sliding seat (22) is connected with a linear motor (23) in a penetrating manner, the top and bottom of the linear motor (23) are fixedly connected with dust suction pipes (24), the left side of the dust suction pipe (24) is fixedly connected with a disc (25), the left side of the disc (25) is fixedly connected with a rotating mechanism (3), and the left side of the rotating mechanism (3) is connected with a vertical plate (30).

2. A coal mining excavating machine according to claim 1, characterised in that: The rotating mechanism (3) comprises a supporting column (31), the right side of the supporting column (31) is fixedly connected with the disc (25), the left side of the supporting column (31) is movably connected with the vertical plate (30), the surface of the supporting column (31) is fixedly sleeved with a driven gear (32), the top of the driven gear (32) is engaged with a driving gear (33), the left side of the driving gear (33) is fixedly connected with a second driving motor (34), and the left side of the second driving motor (34) is fixedly connected with the vertical plate (30).

3. A coal mining excavating machine according to claim 2, characterised in that: The front and rear sides of the driven gear (32) are engaged with a tooth ring (35), the bottom of the tooth ring (35) is fixedly connected with a guide plate (36), the surface of the guide plate (36) is connected with a guide rod (37) in a penetrating manner, the front and rear sides of the guide rod (37) are connected with the vertical plate (30) through supporting blocks, the bottom of the guide plate (36) is connected with an inclined plate (38) through a rotating shaft, the bottom of the inclined plate (38) is fixedly connected with a second hydraulic rod (39), and the left side of the second hydraulic rod (39) is fixedly connected with the vertical plate (30).

4. A coal mining excavating machine according to claim 1, wherein: The surface of the dust suction pipe (24) movably sleeved with a circular ring pipe (4), the left side of the circular ring pipe (4) is communicated with an L-shaped pipe (5), the bottom of the L-shaped pipe (5) is communicated with a dust collecting box (6), and the bottom of the dust collecting box (6) is communicated with an air suction fan (7).

5. A coal mining excavating machine as claimed in claim 4 wherein: The inner cavity of the dust collecting box (6) is provided with a filter frame (8), and the front side of the filter frame (8) penetrates to the outside of the dust collecting box (6) and is fixedly connected with a handle.

6. A coal mining excavating machine according to claim 1 wherein: The left side of the vertical plate (30) is fixedly connected with an L-shaped plate (9), the left side of the L-shaped plate (9) is fixedly connected with a U-shaped plate (10), and the top of the U-shaped plate (10) is threadedly connected with a locking bolt (11) in a penetrating manner.

Images