Device for centering coal falling point of coal flow

Abstract

The utility model relates to a coal flow coal falling point centering device, which belongs to the technical field of coal unloading equipment and comprises a conveying belt, a material guide groove is arranged above the conveying belt, a coal falling pipe is arranged above the material guide groove, supports are fixed on the left side and the right side of the top of the material guide groove, rotating shafts are rotatably mounted on the supports, and supporting pipes are fixed on the rotating shafts. A coal flow adjusting plate is fixed to the inner side of the supporting pipe, a force arm is fixed to one end of the rotating shaft, and a heavy hammer is fixed to the outer end of the force arm. The coal flow adjusting plates are arranged on the two sides of the coal falling pipe, falling coal can be guided to the middle of the conveying belt, the falling risk of the falling coal during conveying is reduced, the positions of the coal flow adjusting plates can be adjusted according to the size of the coal flow, and the coal flow adjusting plates are not prone to being blocked.

Description

Technical Field

[0001] The utility model relates to a device for centering the coal flow dropping point, belonging to the technical field of coal unloading equipment. Background Art

[0002] When transporting coal in a thermal power plant or a coal mining plant, a conveyor belt is required to transport the coal to the required coal stacking position, and the coal at a high place is dropped onto the conveyor belt through a coal dropping pipe. However, at present, the coal flow from the coal dropping pipe is relatively scattered when it drops, and some of the coal dropping points will be close to the outer side of the conveyor belt, and it is easy for the coal to fall during transportation. Content of the Utility Model

[0003] The utility model provides a device for centering the coal flow dropping point, which solves the problems that the coal flow from the current coal dropping pipe is relatively scattered when it drops, some of the coal dropping points will be close to the outer side of the conveyor belt, and it is easy for the coal to fall during transportation.

[0004] The utility model relates to a device for centering the coal flow dropping point, which comprises a conveyor belt. A material guiding trough is arranged above the conveyor belt, and a coal dropping pipe is arranged above the material guiding trough. Brackets are fixed on the left and right sides of the top of the material guiding trough. A rotating shaft is rotatably installed on the brackets. A support pipe is fixed on the rotating shaft. A coal flow adjusting plate is fixed inside the support pipe. One end of the rotating shaft is fixed with a lever arm, and a weight is fixed at the outer end of the lever arm.

[0005] As a preference, a wear-resistant rubber plate is fixed at the bottom of the material guiding trough. The lower part of the wear-resistant rubber plate is bent inwards, and the bottom of the wear-resistant rubber plate is in contact with the top of the conveyor belt, which can better prevent the coal powder from leaking out when the coal drops.

[0006] As a preference, conveying rollers are arranged below the conveyor belt. An installation frame is fixed at the bottom of the conveying rollers, and the material guiding trough is fixed on the installation frame.

[0007] As a preference, the coal dropping pipe is a split assembly structure with no less than two sections. The side wall of the lowermost section of the coal dropping pipe along the coal conveying direction of the conveyor belt is an arc-shaped curve structure, and the width of the lowermost section of the coal dropping pipe along the coal conveying direction of the conveyor belt gradually increases from top to bottom, which can increase the coal dropping area at the bottom of the coal dropping pipe and prevent blockage.

[0008] As a preference, a vibrating plate is arranged inside the arc-shaped curve side wall of the lowermost section of the coal dropping pipe. A support screw is fixed on the outer side of the vibrating plate. The outer end of the support screw passes through the coal dropping pipe and is fixedly connected with a mounting plate. A vibrating motor is mounted on the mounting plate. A rubber buffer pad is fixedly sleeved on the outer side of the support screw. A guide sleeve I is sleeved on the outer side of the rubber buffer pad, and the guide sleeve I is fixed on the coal dropping pipe. A compression nut is arranged on the support screw on the outer side of the rubber buffer pad. Arranging the vibrating plate at the contact point where the upper coal flow drops can vibrate and drop the coal and prevent the coal flow from gathering and blocking.

[0009] As a preference, an observation port is provided on the side wall of the lowermost coal dropping pipe opposite to the vibrating plate, and a detachable closing plate is provided on the observation port, which is convenient to open the closing plate to observe the blockage condition of the coal dropping pipe.

[0010] As a preference, horizontal guide sleeves II are fixed on both sides of the material guiding trough. A supporting rod is arranged in the guide sleeve II. A handle is fixed at the outer end of the supporting rod. The inner end of the supporting rod passes through the material guiding trough and is fixed with a buffer supporting block. A locking bolt is provided on the guide sleeve II, and the maximum opening position of the coal flow regulating plate can be adjusted.

[0011] The utility model has the following beneficial effects:

[0012] By arranging coal flow regulating plates on both sides of the coal dropping pipe, the coal dropping can be guided to the middle of the conveyor belt, the risk of coal dropping during conveying is reduced, and the coal flow regulating plates can adjust the position according to the size of the coal flow and are not easy to be blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view structural schematic diagram of the utility model;

[0014] Figure 2 is the side view structural schematic diagram of the coal dropping pipe;

[0015] Figure 3 is Figure 2 the partial structural schematic diagram of

[0016] Figure 4 is the side view structural schematic diagram of the coal flow regulating plate;

[0017] In the figure: 1, coal dropping pipe; 2, vibrating motor; 3, support; 4, heavy hammer; 5, lever arm; 6, material guiding trough; 7, coal flow regulating plate; 8, wear-resistant rubber plate; 9, mounting bracket; 10, conveying idler; 11, conveyor belt; 12, rotating shaft; 13, support pipe; 14, support screw; 15, guide sleeve I; 16, mounting plate; 17, rubber buffer pad; 18, observation port; 19, vibrating plate; 20, guide sleeve II; 21, handle; 22, support rod; 23, buffer supporting block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following further illustrates the utility model with reference to the embodiments.

[0019] Embodiment 1, as shown in Figure 1 and Figure 4As shown in the figure, the utility model relates to a device for centering the coal flow at the coal dropping point, which includes a conveyor belt 11. Above the conveyor belt 11, there is a feeding trough 6. Above the feeding trough 6, there is a coal dropping pipe 1. On the left and right sides of the top of the feeding trough 6, there are fixed brackets 3. On the brackets 3, there is a rotating shaft 12 rotatably installed. On the rotating shaft 12, there is a support pipe 13 fixed. Inside the support pipe 13, there is a coal flow regulating plate 7 fixed. At one end of the rotating shaft 12, there is a lever arm 5 fixed. At the outer end of the lever arm 5, there is a weight 4 fixed.

[0020] During operation, the coal dropping from above falls from the coal dropping pipe 1. When the coal flow is small, due to the weight 4 on the lever arm 5, the coal flow regulating plate 7 will not be impacted by the coal flow and rotate around the rotating shaft 12. When the coal flow is large, the coal flow impacts the coal flow regulating plate 7, causing it to drive the rotating shaft 12 to rotate, and the lever arm 5 with the weight 4 will also rotate upward. At this time, the coal flow regulating plate 7 opens at a large angle, and the falling coal is centered and falls onto the middle of the conveyor belt 11.

[0021] Embodiment 2: On the basis of Embodiment 1, a wear-resistant rubber plate 8 is fixed at the bottom of the feeding trough 6. The lower part of the wear-resistant rubber plate 8 bends inward, and the bottom of the wear-resistant rubber plate 8 contacts the top of the conveyor belt 11.

[0022] Below the conveyor belt 11, there are conveyor idlers 10. At the bottom of the conveyor idlers 10, there is a mounting frame 9 fixed. The feeding trough 6 is fixed on the mounting frame 9.

[0023] The coal dropping pipe 1 is a split assembly structure with no less than two sections. The side wall of the bottommost section of the coal dropping pipe 1 along the coal conveying direction of the conveyor belt 11 is an arc-shaped curve structure, and the width of the bottommost section of the coal dropping pipe 1 along the coal conveying direction of the conveyor belt 11 gradually increases from top to bottom.

[0024] Inside the arc-shaped curve side wall of the bottommost section of the coal dropping pipe 1, there is a vibrating plate 19. On the outer side of the vibrating plate 19, there is a support screw 14 fixed. The outer end of the support screw 14 passes through the coal dropping pipe 1 and is fixedly connected to a mounting plate 16. On the mounting plate 16, there is a vibration motor 2 installed. On the outer side of the support screw 14, there is a rubber buffer pad 17 fixedly sleeved. Outside the rubber buffer pad 17, there is a guide sleeve 15 sleeved. The guide sleeve 15 is fixed on the coal dropping pipe 1. On the support screw 14 outside the rubber buffer pad 17, there is a compression nut. When dropping coal, the vibration of the vibration motor 2 will drive the vibrating plate 19 to vibrate, shaking off the falling coal.

[0025] On the side wall of the bottommost section of the coal dropping pipe 1 opposite to the vibrating plate 19, there is an observation port 18. On the observation port 18, there is a detachable closing plate.

[0026] On both sides of the material guiding trough 6, horizontal guide sleeves II 20 are fixed. A support rod 22 is arranged inside the guide sleeve II 20. A handle 21 is fixed to the outer end of the support rod 22. The inner end of the support rod 22 passes through the material guiding trough 6 and is fixed with a buffer supporting block 23. A locking bolt is arranged on the guide sleeve II 20. Before work, according to needs, the locking bolt can be loosened, and then the position of the support rod 22 extending into the material guiding trough 6 can be moved. After adjustment, the locking bolt is tightened.

[0027] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0028] In the description of the present utility model, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model rather than requiring the present utility model to be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model.

Claims

1. A device for centering a coal flow drop point, comprising a conveyor belt (11), a material guide trough (6) being provided above the conveyor belt (11), and a coal drop pipe (1) being provided above the material guide trough (6), characterized in that: A bracket (3) is fixed on both left and right sides of the top of the guide trough (6), a rotating shaft (12) is rotatably mounted on the bracket (3), a support pipe (13) is fixed on the rotating shaft (12), a coal flow regulating plate (7) is fixed on the inner side of the support pipe (13), a force arm (5) is fixed on one end of the rotating shaft (12), and a heavy hammer (4) is fixed on the outer end of the force arm (5).

2. A device for centering coal flow points according to claim 1, characterized in that: A wear-resistant rubber plate (8) is fixed to the bottom of the guide trough (6), the lower part of the wear-resistant rubber plate (8) is bent inwardly, and the bottom of the wear-resistant rubber plate (8) is in contact with the top of the conveyor belt (11).

3. The device for centering coal flow points according to claim 1, characterized in that: A conveying roller (10) is provided below the conveying belt (11), a mounting frame (9) is fixed to the bottom of the conveying roller (10), and the material guide trough (6) is fixed on the mounting frame (9).

4. The device for centering coal flow points according to claim 1, characterized in that: The coal drop pipe (1) is a structure of at least two separate parts, the side wall of the lowest section of the coal drop pipe (1) along the coal conveying direction of the conveyor belt (11) is an arc-shaped curved structure, and the width of the lowest section of the coal drop pipe (1) along the coal conveying direction of the conveyor belt (11) gradually increases from top to bottom.

5. The device for centering coal flow points according to claim 4, characterized in that: A vibration plate (19) is provided on the inner side of the arc-shaped curved side wall of the lowest coal-dropping pipe (1), a support screw (14) is fixed on the outer side of the vibration plate (19), the outer end of the support screw (14) passes through the coal-dropping pipe (1) and is fixedly connected to a mounting plate (16), a vibration motor (2) is mounted on the mounting plate (16), a rubber buffer pad (17) is fixedly sleeved on the outer side of the support screw (14), a guide sleeve (15) is sleeved on the outer side of the rubber buffer pad (17), the guide sleeve (15) is fixed on the coal-dropping pipe (1), and a clamping nut is provided on the support screw (14) on the outer side of the rubber buffer pad (17).

6. A device for centering coal flow points according to claim 5, characterized in that: An observation port (18) is provided on a side wall of the lowermost coal pipe (1) opposite to the vibration plate (19), and a detachable closing plate is provided on the observation port (18).

7. The device for centering coal flow points according to claim 1, characterized in that: A second horizontal guide sleeve (20) is fixed on both sides of the material guide trough (6), a support rod (22) is arranged inside the second guide sleeve (20), a handle (21) is fixed to the outer end of the support rod (22), a buffer support block (23) is fixed to the inner end of the support rod (22) passing through the material guide trough (6), and a locking bolt is arranged on the second guide sleeve (20).

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