Combined mining machinery auxiliary transmission device for coal mine

Abstract

The utility model discloses a combined mining machinery auxiliary transmission device for coal mine, which comprises a first conveyer belt, one end of the first conveyer belt is provided with two movable plates, the two movable plates are symmetrically arranged, a bidirectional rotating shaft is arranged between the two movable plates, the two movable plates can rotate by an angle through the bidirectional rotating shaft, and the two movable plates are arranged on the first conveyer belt. A second conveying belt is arranged at the other ends of the movable plates, and one side of one movable plate is fixedly connected with a fixed plate. The combined mining machinery auxiliary conveying device for the coal mine is provided with the first conveying belt and the second conveying belt, the conveying directions of the two conveying belts can be adjusted through the movable plate, and when the movable plate is unfolded, the first conveying belt and the second conveying belt can convey the coal mine in an L-shaped plane. When a coal mine needs to be linearly conveyed, the first conveying belt and the second conveying belt can be adjusted to be linear for conveying by shrinking and combining the movable plate, and different conveying directions are adjusted according to actual needs.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission devices for coal mines, in particular to a combined mining machinery auxiliary transmission device for coal mines. Background Art

[0002] In the patent application with application announcement number CN211919884U, it includes a conveyor belt, the lower end of the conveyor belt is fixedly connected to a telescopic column, the lower end of the telescopic column is provided with a bottom plate, baffles are provided on both sides of the upper end of the conveyor belt, the conveyor belt and the conveyor belt connecting end are detachably connected to an arc-shaped conveyor belt, an arc-shaped baffle is provided on the outside of the arc-shaped conveyor belt, a stretchable inner block is provided on the inside of the arc-shaped baffle, a plurality of grooves are provided on the outer end of the inner block, a rotating shaft is provided at both ends of the outer side of the arc-shaped baffle, the rotating shaft is fixedly connected to a fixed iron sheet, two circular holes are provided at the middle end of the fixed iron sheet, the circular holes are detachably connected with screws, the rotating shaft is fixedly connected to an insert block, the outer side of the arc-shaped baffle is fixedly connected to the telescopic rod, and the other end of the telescopic rod is fixedly connected to the motor box. The advantages are: this new type of conveyor belt is equipped with multiple sets of telescopic columns at the bottom of the conveyor belt, and the height of the conveyor belt can be adjusted according to different mine terrains to achieve the best transmission effect. In addition, when steering transmission is required, the utility model adds a curved conveyor belt to facilitate steering, and the damage to mine materials and curved baffles is minimized. The steering is smooth and the material is not prone to slipping, which ensures continuous production and reduces the labor intensity of workers.

[0003] In the prior art including the above-mentioned patents, it is not convenient to adjust the conveying angle of the conveyor belt, and the transmission angle cannot be quickly adjusted according to actual needs. It is necessary to separately install a curved conveyor belt and a baffle or raise one of the conveyor belts to achieve the effect of adjusting the angle. The installation and disassembly operations are relatively cumbersome. At the same time, by adjusting the conveying by raising the conveyor belt, the coal mine may cause problems such as fragmentation or falling coal slag, causing damage to the conveyor belt, and the integrity of the coal mine cannot be ensured. Utility Model Content

[0004] The purpose of the utility model is to provide a combined mining machinery auxiliary transmission device for coal mines, so as to solve the problem in the above background technology that the conveyor belt is not convenient for adjusting the conveying angle.

[0005] The transmission mechanism that this invention relates to is that this invention relates to a kind of combined mining machinery auxiliary transmission device for coal mine, comprising a first conveyor belt, a movable plate at one end of the first conveyor belt is provided, and the movable plate is symmetrically arranged, and a two-way rotating shaft is installed between the two movable plates, and the two movable plates can rotate an angle by the two-way rotating shaft. A second conveyor belt is provided on the other end of the movable plate, and one side of the movable plate is fixedly connected to a fixed plate, and one side of the other movable plate is fixedly connected to a limiting baffle. A motor is fixedly installed on one side of the fixed plate, and a power wheel is fixedly installed on one side of the motor, and a gear is rotatably connected to one side of the two-way rotating shaft. A connecting shaft is passed through the fixed plate and the limit baffle, and one end of the connecting shaft is fixedly connected to a transmission wheel, and the power wheel is meshed with one of the transmission wheels, and the two transmission wheels are respectively meshed with the front and rear sides of the gear, and two pulleys are provided on the connecting shaft.

[0006] Furthermore, a plurality of movable balls are provided on the top of the movable plate, a slot is provided on the top of the limit baffle, and the fixed plate can be plugged and adapted to the limit baffle through the slot. The first conveyor belt and the second conveyor belt are fixedly connected to a connecting plate on one side where they are connected to the movable plate, and a connecting block is fixedly connected to the front and rear sides of one side of the connecting plate, and an opening is provided on one side of the connecting block.

[0007] Furthermore, a plurality of movable balls are provided on the top of the movable plate, a slot is provided on the top of the limit baffle, and the fixed plate can be plugged and adapted to the limit baffle through the slot. The first conveyor belt and the second conveyor belt are fixedly connected to a connecting plate on one side where they are connected to the movable plate, and a connecting block is fixedly connected to the front and rear sides of one side of the connecting plate, and an opening is provided on one side of the connecting block.

[0008] Furthermore, the front and rear sides of one side of the connecting plate and both sides of the front surface of the movable plate on the front side are fixedly connected to limiting blocks, and the connecting blocks are adapted to the limiting blocks.

[0009] Furthermore, both sides of the back side of the movable plate are provided with sliding grooves, and both sides of the back side of the movable plate are also provided with limiting grooves adapted to the limiting blocks.

[0010] Furthermore, a movable plate is slidably connected in the slide groove, and fixing bolts are provided on the top of the movable plate and the connecting block.

[0011] Furthermore, the connecting block is fixedly connected to the limiting block on one side of the movable plate via a fixing bolt, and the movable plate is fixedly connected to the limiting block on one side of the connecting plate via a fixing bolt.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the combined mining machinery auxiliary transmission device for coal mines is reasonable and has the following advantages:

[0013] (1) The utility model is provided with a first conveyor belt and a second conveyor belt. The conveying direction of the two conveyor belts can be adjusted by a movable plate. When the movable plate is unfolded, the first conveyor belt and the second conveyor belt can be formed into a right-angle plane to convey the coal. When the coal needs to be conveyed in a straight line, the movable plate can be retracted and combined to adjust the first conveyor belt and the second conveyor belt to a straight line position for conveying. Different conveying directions can be adjusted according to actual needs. Most existing conveyor belts need to raise one of the conveyor belts for conveying when adjusting the angle. During the transportation process, the coal falls from the raised conveyor belt to the other conveyor belt. When falling, the coal may be broken or drop coal slag, causing damage to the conveyor belt. At the same time, the integrity of the coal cannot be ensured. The utility model is always in a flat state when adjusting the angle of the conveyor belt, which can well solve this problem.

[0014] (2) The utility model is provided with a ball and a pulley. The pulley can be driven to rotate by a motor to adjust the conveying angle of the coal on the movable plate. At the same time, it is used in conjunction with the ball to better match the position of the second conveyor belt to prevent the coal conveying angle from being offset. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the movable plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit block of the utility model;

[0018] Figure 4 This is a schematic diagram of the limit groove structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the gear structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the connecting plate structure of the utility model.

[0021] In the figure: 1. First conveyor belt; 2. Second conveyor belt; 3. Movable plate; 4. Connecting plate; 5. Connecting block; 6. Fixed plate; 7. Bidirectional rotating shaft; 8. Ball bearing; 9. Limit baffle; 10. Pulley; 11. Connecting shaft; 12. Slide; 13. Limit block; 14. Gear; 15. Motor; 16. Limiting slot; 17. Movable plate; 18. Transmission wheel; 19. Power wheel; 20. Fixing bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6 , a technical solution provided by the utility model: Example 1:

[0024] In this embodiment, a combined mining machinery auxiliary transmission device for coal mines includes a first conveyor belt 1, a movable plate 3 is provided at one end of the first conveyor belt 1, two movable plates 3 are symmetrically arranged, a bidirectional rotating shaft 7 is installed between the two movable plates 3, the two movable plates 3 can rotate by the bidirectional rotating shaft 7, and a second conveyor belt 2 is provided at the other end of the movable plate 3, one side of one movable plate 3 is fixedly connected to a fixed plate 6, and one side of the other movable plate 3 is fixedly connected to a limit baffle 9, and the fixed plate 6 can be retracted into the slot on the limit baffle 9, so that the two movable plates 3 are combined into a complete plane shape, and one side of the fixed plate 6 A motor 15 is fixedly installed, and a power wheel 19 is fixedly installed on one side of the motor 15. A gear 14 is rotatably connected to one side of the bidirectional rotating shaft 7. A connecting shaft 11 is passed through the fixed plate 6 and the limit baffle 9. One end of the connecting shaft 11 is fixedly connected to a transmission wheel 18. The power wheel 19 is engaged with one of the transmission wheels 18. The two transmission wheels 18 are respectively engaged with the front and rear sides of the gear 14. Two pulleys 10 are provided on the connecting shaft 11. The pulley 10 is driven to rotate by the motor 15 to adjust the conveying angle of the coal mine on the movable plate 3, so that it better matches the position of the second conveyor belt 2 to prevent the coal mine conveying angle from deviating.

[0025] In this embodiment, a plurality of movable balls 8 are provided on the top of the movable plate 3, and the balls 8 cooperate with the pulley 10 for auxiliary transportation. A slot is provided on the top of the limit baffle 9, and the fixed plate 6 can be plugged and adapted with the limit baffle 9 through the slot. The first conveyor belt 1 and the second conveyor belt 2 are fixedly connected to the side of the movable plate 3 with a connecting plate 4, and the front and rear sides of one side of the connecting plate 4 are fixedly connected with a connecting block 5, and an opening is provided on one side of the connecting block 5.

[0026] When transporting coal, the transporting positions of the first conveyor belt 1 and the second conveyor belt 2 can be adjusted by the movable plate 3. The movable plate 3 can be expanded or merged by the bidirectional rotating shaft 7. When the movable plate 3 is expanded, the first conveyor belt 1 and the second conveyor belt 2 can be formed into a right-angle plane to transport the coal. When the coal needs to be transported in a straight line, the movable plate 3 can be retracted and merged to adjust the first conveyor belt 1 and the second conveyor belt 2 to a straight line position for transportation. The transport direction can be adjusted according to actual needs.

[0027] In this embodiment, the front and rear sides of one side of the connecting plate 4 and both sides of the front surface of the front movable plate 3 are fixedly connected to the limiting blocks 13 , and the connecting block 5 is adapted to the limiting blocks 13 .

[0028] In this embodiment, both sides of the back surface of the movable plate 3 are provided with sliding grooves 12 , and both sides of the back surface of the movable plate 3 are further provided with limiting grooves 16 adapted to the limiting blocks 13 .

[0029] In this embodiment, a movable plate 17 is slidably connected in the slide groove 12, and fixing bolts 20 are provided on the top of the movable plate 17 and the connecting block 5. The fixing bolts 20 are used to fix the connection position of the movable plate 3 and the first conveyor belt 1 and the second conveyor belt 2.

[0030] In this embodiment, the connecting block 5 is fixedly connected to the limiting block 13 on one side of the movable plate 3 by means of fixing bolts 20 , and the movable plate 17 is fixedly connected to the limiting block 13 on one side of the connecting plate 4 by means of fixing bolts 20 .

[0031] When the movable plate 3 is unfolded, the first conveyor belt 1 and the second conveyor belt 2 can be transported in an L-shaped plane. When the coal needs to be transported in a straight line, the movable plate 3 can be retracted and merged to adjust the first conveyor belt 1 and the second conveyor belt 2 to a straight line for transportation. When the movable plate 3 is in the retracted state, the limit block 13 on one side of the movable plate 3 can be inserted into the limit groove 16, and the fixed plate 6 can be retracted into the slot on the limit baffle 9, so that the two movable plates 3 are combined into a complete plane shape, and the coal can be transported in a straight line through the first conveyor belt 1 to the second conveyor belt 2 for transportation in sequence. When the angle of the second conveyor belt 2 needs to be adjusted, the movable plate 3 can be unfolded for adjustment. After moving the second conveyor belt 2 to a right angle position with one end of the first conveyor belt 1, the movable plate 3 is unfolded and the movable plate 3 is retracted. After the cam 11 is in the working state, the two limit blocks 13 on one side of the movable plate 3 are aligned and inserted into the grooves of the connecting block 5, and then the limit groove 16 on the other side of the movable plate 3 is aligned with the limit block 13 on the connecting plate 4 to be inserted. After the limit block 13 is inserted, the movable plate 17 is slidably inserted into the slide groove 12 for auxiliary fixation. After the installation is completed, the limit blocks 13 on both sides are respectively fixed with the fixing bolts 20. After the fixing is completed, the coal mine can be transported by the first conveyor belt 1, the movable plate 3 and the second conveyor belt 2 to form an angled transportation in sequence; when the coal mine passes through the movable plate 3, it is assisted by the ball bearings 8 and the motor 15. After the motor 15 runs, it drives the power wheel 19 to rotate, and the power wheel 19 drives the transmission wheel 18 and the gear 14 to rotate in turn. The rotation of the rotating wheel drives the connecting shaft 11 to rotate. The rotation of the connecting shaft 11 drives the pulley 10 on the movable plate 3 to rotate, which can adjust the conveying angle of the coal mine on the movable plate 3 to make it better match the position of the second conveyor belt 2 to prevent the coal mine conveying angle from deviating.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A combined mining machinery auxiliary transmission device for coal mines, comprising a first conveyor belt (1), characterized in that: One end of the first conveyor belt (1) is provided with a movable plate (3), and the movable plates (3) are symmetrically arranged in two. A bidirectional rotating shaft (7) is installed between the two movable plates (3), and the two movable plates (3) can rotate at different angles through the bidirectional rotating shaft (7). The other end of the movable plate (3) is provided with a second conveyor belt (2), one side of one of the movable plates (3) is fixedly connected to a fixed plate (6), and one side of the other movable plate (3) is fixedly connected to a limited stopper (9), and one side of the fixed plate (6) is fixedly installed with a motor ( 15), a power wheel (19) is fixedly installed on one side of the motor (15), a gear (14) is rotatably connected to one side of the bidirectional rotating shaft (7), a connecting shaft (11) is passed through the fixing plate (6) and the limit baffle (9), one end of the connecting shaft (11) is fixedly connected to a transmission wheel (18), the power wheel (19) is meshed with one of the transmission wheels (18), and the two transmission wheels (18) are respectively meshed with the front and rear sides of the gear (14), and two pulleys (10) are provided on each of the connecting shafts (11).

2. The combined mining machinery auxiliary transmission device for coal mines according to claim 1, characterized in that: The top of the movable plate (3) is provided with a plurality of movable balls (8), the top of the limit baffle (9) is provided with a slot, and the fixed plate (6) can be plugged and adapted with the limit baffle (9) through the slot, and the first conveyor belt (1) and the second conveyor belt (2) are fixedly connected to the side of the movable plate (3) on which they are connected, and the front and rear sides of one side of the connection plate (4) are fixedly connected to a connection block (5), and one side of the connection block (5) is provided with an opening.

3. The combined mining machinery auxiliary transmission device for coal mines according to claim 2, characterized in that: The front and rear sides of one side of the connecting plate (4) and both sides of the front face of the front movable plate (3) are fixedly connected to the limiting blocks (13), and the connecting block (5) is adapted to the limiting blocks (13).

4. The combined mining machinery auxiliary transmission device for coal mines according to claim 3, characterized in that: Both sides of the back side of the movable plate (3) are provided with sliding grooves (12), and both sides of the back side of the movable plate (3) are also provided with limiting grooves (16) adapted to the limiting blocks (13).

5. The combined mining machinery auxiliary transmission device for coal mines according to claim 4, characterized in that: A movable plate (17) is slidably connected in the sliding groove (12), and fixing bolts (20) are provided on the tops of the movable plate (17) and the connecting block (5).

6. The combined mining machinery auxiliary transmission device for coal mines according to claim 5, characterized in that: The connecting block (5) is fixedly connected to the limiting block (13) on one side of the movable plate (3) via a fixing bolt (20), and the movable plate (17) is fixedly connected to the limiting block (13) on one side of the connecting plate (4) via a fixing bolt (20).

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