Coal blockage dredging device for belt conveyor of coal conveying power plant

Abstract

The utility model relates to the technical field of coal blockage dredging of belt conveyors, and discloses a coal blockage dredging device for a belt conveyor of a coal conveying power plant, which comprises a belt conveyor, one side of the belt conveyor is fixedly connected with a collecting box, the interior of the collecting box is slidably connected with a collecting box, one side of the outer wall of the collecting box is fixedly connected with a support, and the support is fixedly connected with a hydraulic cylinder. A driving motor is fixedly connected to the upper surface of the support, the output end of the driving motor penetrates through the collecting box and is fixedly connected with a first connecting seat, a second connecting seat is rotatably connected to one side of the inner wall of the collecting box, and positioning holes are formed in the first connecting seat and the second connecting seat. According to the cleaning device, the dovetail block in the first connecting base is driven by the driving motor to rotate, so that the first connecting base drives the rotating rod and the outer wall cleaning brush to clean residues on a belt of the belt conveyor. After long-term use, the rotating rod is pulled to separate the dovetail block, and the positioning block retracts into the dovetail block, so that the cleaning brush is convenient to clean or replace, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal blocking dredging device for coal conveying power plant belt conveyor belongs to coal blocking dredging technical field. BACKGROUND

[0002] The coal conveying power plant belt conveyor is the key equipment of the coal conveying system of the power plant, which is composed of a conveying belt and a driving device, and has the characteristics of large conveying capacity, long distance conveying and stable operation, thereby realizing efficient transportation of coal from a coal yard to a boiler raw coal bin and other positions. It is extremely necessary to use the coal blocking dredging device, because it can avoid coal blocking caused by abnormal coal flow, equipment damage such as belt tearing and motor overload, and safety hazards such as coal spontaneous combustion and rack collapse, and quickly restore the operation of the coal conveying system to ensure the safety and efficiency of power plant production.

[0003] At present, when the coal conveying power plant belt conveyor is blocked, the staff usually uses a shovel, a crowbar and other tools to directly clean the blocked part, manually digs and removes the accumulated coal to restore the smoothness of the belt conveyor. However, manual dredging is labor-intensive and inefficient, and the staff needs to be in close contact with the equipment and coal during dredging, which poses safety risks such as being wrapped in the belt and being injured by coal blocks. In addition, it is difficult to ensure the timeliness of dredging, so a coal blocking dredging device for coal conveying power plant belt conveyor is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a coal blocking dredging device for coal conveying power plant belt conveyor, aiming at improving the problem that most of the existing technologies are cleaned by manual labor at the blocked part, which is labor-intensive and cannot guarantee efficient cleaning of the blocked part.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a coal blocking dredging device for coal conveying power plant belt conveyor, comprising a belt conveyor, one side of the belt conveyor is fixedly connected with a collecting box, a collecting box is slidably connected inside the collecting box, a support is fixedly connected on one side of the outer wall of the collecting box, a driving motor is fixedly connected on the upper surface of the support, a connecting seat one is fixedly connected on the output end of the driving motor and penetrates the collecting box, a connecting seat two is rotatably connected on one side of the inner wall of the collecting box, a positioning hole is formed in the connecting seat one and the connecting seat two, and a cleaning assembly is installed between the connecting seat one and the connecting seat two.

[0006] The cleaning assembly comprises two dovetail blocks, the outer walls of the two dovetail blocks are slidably connected to the inner walls of the connecting seat one and the connecting seat two, a rotating rod is fixedly connected between the two dovetail blocks, a cleaning brush is fixedly connected to the outer wall of the rotating rod, and a positioning assembly is installed in the dovetail block.

[0007] Further, the positioning assembly comprises a spring one, one end of the spring one is fixedly connected to one side of the inner wall of the dovetail block, the other end of the spring one is fixedly connected with a sliding rod, one end of the sliding rod is fixedly connected with a positioning block.

[0008] Further, a sieve screen is slidably connected inside the collecting box, a vibration motor is fixedly connected to the other side of the outer wall of the collecting box, a pushing assembly is installed on the inner wall of the collecting box, and a limiting assembly is installed on the outer wall of the collecting box.

[0009] Further, the pushing assembly comprises a limiting rod, both ends of the limiting rod are fixedly connected to the inner wall of the collecting box, a spring two is sleeved on the outer wall of the limiting rod, an L-shaped frame is slidably connected to the outer wall of the limiting rod, and a push plate is fixedly connected to one side of the outer wall of the L-shaped frame.

[0010] Further, the limiting assembly comprises a rotating plate, the rotating plate is rotatably connected to the outer wall of the collecting box, a connecting column is fixedly connected to one side of the outer wall of the rotating plate, and a pull ring is arranged in the connecting column.

[0011] Further, the outer wall of the positioning block penetrates the dovetail block and is slidably connected to the inner wall of the positioning hole, and the positioning hole is used for positioning the dovetail block.

[0012] Further, one end of the spring two is fixedly connected to one side of the inner wall of the collecting box, and the other end of the spring two is fixedly connected to one side of the outer wall of the L-shaped frame.

[0013] Further, one side of the outer wall of the sieve screen abuts against the outer wall of the push plate, and the push plate is used for pushing the sieve screen out of the inside of the collecting box.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the dovetail block in the inside of the connecting seat one is driven by the driving motor to rotate, so that the connecting seat one drives the outer wall of the rotating rod to abut against the belt on the outer wall of the belt conveyor, thereby realizing the effect of cleaning the residual materials on the belt. After long-term use, the dovetail block is separated from the inside of the connecting seat one and the positioning hole by pulling the rotating rod, and then the positioning block is retracted into the inside of the dovetail block, thereby realizing the effect of conveniently cleaning or replacing the cleaning brush, and improving the practicability of the device.

[0016] 2. In the utility model, the coal above the sieve screen is screened into the inside of the collecting box by the vibration of the vibration motor, and then the collecting box is pulled, thereby realizing the effect of conveniently collecting the coal. Then the pull ring is pulled to rotate the rotating plate and separate it from the outer wall of the sieve screen, and then the counterforce of the spring two is used, thereby realizing the effect of conveniently driving the push plate on one side of the L-shaped frame to push the sieve screen out of the inside of the collecting box for cleaning the sieve screen, and improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of a coal blockage clearing device for a conveyor belt in a coal-fired power plant, as proposed in this utility model.

[0018] Figure 2 This is a schematic diagram of the collection box part of a coal blockage clearing device for a coal conveyor belt in a coal-fired power plant, as proposed in this utility model.

[0019] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0020] Figure 4 This is a schematic diagram of the screen part of a coal blockage clearing device for a coal conveyor belt in a coal-fired power plant, as proposed in this utility model.

[0021] Legend:

[0022] 1. Belt conveyor; 2. Collection box; 3. Support frame; 4. Drive motor; 5. Connecting seat one; 6. Connecting seat two; 7. Positioning hole; 8. Rotating rod; 9. Cleaning brush; 10. Dovetail block; 11. Spring one; 12. Sliding rod; 13. Positioning block; 14. Collection box; 15. Screen; 16. Vibrating motor; 17. Limiting rod; 18. Spring two; 19. L-shaped frame; 20. Push plate; 21. Rotating plate; 22. Connecting column; 23. Pull ring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 - Figure 4 An embodiment of this utility model is provided: a coal blockage clearing device for a belt conveyor in a coal-fired power plant, including a belt conveyor 1, a collection box 2 fixedly connected to one side of the belt conveyor 1, a collection box 14 slidably connected inside the collection box 2, a bracket 3 fixedly connected to one side of the outer wall of the collection box 2, a drive motor 4 fixedly connected to the upper surface of the bracket 3, a connecting seat 5 fixedly connected to the output end of the drive motor 4 through the collection box 2, and a connecting seat 6 rotatably connected to one side of the inner wall of the collection box 2. Both the connecting seat 5 and the connecting seat 6 have positioning holes 7 inside, and a cleaning component is installed between the connecting seat 5 and the connecting seat 6.

[0025] The cleaning assembly comprises two dovetail blocks 10, the outer walls of the two dovetail blocks 10 are slidably connected to the inner walls of the connecting seat one 5 and the connecting seat two 6 respectively, a rotating rod 8 is fixedly connected between the two dovetail blocks 10, the outer wall of the rotating rod 8 is fixedly connected with a cleaning brush 9, and a positioning assembly is arranged in the dovetail block 10; the positioning assembly comprises a spring one 11, one end of the spring one 11 is fixedly connected to one side of the inner wall of the dovetail block 10, the other end of the spring one 11 is fixedly connected with a sliding rod 12, and one end of the sliding rod 12 is fixedly connected with a positioning block 13.

[0026] Specifically, the belt conveyor 1 is used for conveying coal, improving the coal conveying efficiency, one side of the belt conveyor 1 is fixedly connected with a collecting box 2, the collecting box 2 is used for collecting the coal dregs or impurities falling in the conveying process, ensuring that the operation environment of the belt conveyor 1 is clean, a collecting box 14 is slidably connected in the collecting box 2, the collecting box 14 is used for storing the collected coal dregs, facilitating subsequent cleaning and processing, a support 3 is fixedly connected to one side of the outer wall of the collecting box 2, the support 3 is used for providing support, enabling the cleaning assembly to be stably installed, ensuring the smooth progress of the cleaning operation, a driving motor 4 is fixedly connected to the upper surface of the support 3, the driving motor 4 is used for providing power, enabling the cleaning assembly to operate efficiently, a connecting seat one 5 is fixedly connected to the output end of the driving motor 4 and penetrates through the collecting box 2, the connecting seat one 5 is used for transmitting the power of the driving motor 4, ensuring the stable operation of the cleaning assembly, a connecting seat two 6 is rotatably connected to one side of the inner wall of the collecting box 2, the connecting seat two 6 is used for cooperating with the connecting seat one 5, providing stable support, enabling the cleaning assembly to perform the cleaning operation at the appropriate position, the connecting seat one 5 and the connecting seat two 6 are both provided with a positioning hole 7, the positioning hole 7 is used for limiting the installation position of the cleaning assembly, ensuring that the cleaning assembly can be stably fixed inside the collecting box 2, a cleaning assembly is installed between the connecting seat one 5 and the connecting seat two 6, the cleaning assembly is used for cleaning the accumulated coal and impurities on the surface of the belt conveyor 1, improving the operation efficiency of the coal conveying system, the cleaning assembly comprises two dovetail blocks 10, the dovetail blocks 10 are used for supporting and guiding the cleaning assembly, enabling it to stably slide and adjust, the outer walls of the two dovetail blocks 10 are respectively slidably connected to the inner walls of the connecting seat one 5 and the connecting seat two 6, enabling the cleaning assembly to move stably along the predetermined track, ensuring the cleaning effect, a rotating rod 8 is fixedly connected between the two dovetail blocks 10, the rotating rod 8 is used for providing rotary support, enabling the cleaning brush 9 to rotate around its own axis for cleaning, the cleaning brush 9 is fixedly connected to the outer wall of the rotating rod 8, the cleaning brush 9 is used for cleaning the accumulated coal and dust on the belt conveyor 1, preventing the coal dregs from accumulating and affecting the coal conveying efficiency, a positioning assembly is installed in the dovetail block 10, the positioning assembly is used for ensuring that the cleaning assembly maintains a stable position during the working process, improving the cleaning effect, the positioning assembly comprises a spring one 11, the spring one 11 is used for providing elastic force, enabling the cleaning assembly to adapt to the slight changes on the surface of the belt conveyor 1, improving the cleaning effect, one end of the spring one 11 is fixedly connected to one side of the inner wall of the dovetail block 10, enabling the spring one 11 to be stably installed, ensuring the elastic adjustment function, the other end of the spring one 11 is fixedly connected with a sliding rod 12, the sliding rod 12 is used for sliding adjustment under the action of the spring one 11, enabling the cleaning assembly to closely adhere to the surface of the belt conveyor 1, ensuring that the cleaning brush 9 can fully contact the belt surface, improving the cleaning effect, one end of the sliding rod 12 is fixedly connected with a positioning block 13, the positioning block 13 is used for limiting the sliding rod 12, ensuring that the cleaning assembly maintains an appropriate working range during use, improving the stability and durability of the system.

[0027] Referring to Figure 1 -Figure 4 The inside of the collecting box 2 is slidably connected with a screen 15, the other side of the outer wall of the collecting box 2 is fixedly connected with a vibrating motor 16, the inner wall of the collecting box 2 is provided with a pushing assembly, and the outer wall of the collecting box 2 is provided with a limiting assembly; the pushing assembly comprises a limiting rod 17, both ends of the limiting rod 17 are fixedly connected to the inner wall of the collecting box 2, the outer wall of the limiting rod 17 is sleeved with a spring 18, the outer wall of the limiting rod 17 is slidably connected with an L-shaped frame 19, and one side of the outer wall of the L-shaped frame 19 is fixedly connected with a push plate 20; the limiting assembly comprises a rotating plate 21, one side of the outer wall of the rotating plate 21 is rotatably connected to the outer wall of the collecting box 2, one side of the outer wall of the rotating plate 21 is fixedly connected with a connecting column 22, and the inside of the connecting column 22 is provided with a pull ring 23; the outer wall of the positioning block 13 penetrates through the dovetail block 10 and is slidably connected to the inner wall of the positioning hole 7, and the positioning hole 7 is used for positioning the dovetail block 10; one end of the spring 18 is fixedly connected to one side of the inner wall of the collecting box 2, and the other end of the spring 18 is fixedly connected to one side of the outer wall of the L-shaped frame 19; one side of the outer wall of the screen 15 abuts against the outer wall of the push plate 20, and the push plate 20 is used for pushing the screen 15 to move out of the inside of the collecting box 2.

[0028] Specific, the collection box 2 inside the sliding connection with screen 15, screen 15 for the collected coal cinder screening, so that larger particles of coal cinder stay on the screen 15 above, while smaller particles can pass through the screen 15 into the collection box 14, improve the classification efficiency of coal cinder, the collection box 2 outer wall the other side is fixedly connected with vibration motor 16, vibration motor 16 for providing vibration, make the screen 15 under the action of vibration constantly shaking, thus accelerating the screening process of coal cinder, improve the screening efficiency, the collection box 2 inner wall is installed with push out assembly, push out assembly for pushing screen 15 move out of the collection box 2, in order to clean the screen 15 on the residual coal cinder, the collection box 2 outer wall is installed with limit component, limit component for controlling the operation of push out assembly, ensure that the screen 15 in normal screening state remains stable, and can be smoothly removed when needed cleaning, push out assembly includes limit rod 17, limit rod 17 for providing sliding guide, make the push plate 20 can move along the fixed track, ensure that the screen 15 of the push out process smoothly, limit rod 17 both ends are fixedly connected in the collection box 2 inner wall, make limit rod 17 can stable support the movement of push plate 20, ensure the reliability of the component operation, limit rod 17 outer wall is sleeved with spring two 18, spring two 18 for providing elastic reset force, make push plate 20 can be automatically reset after pushing screen 15 move out, keep the initial position of screen 15, limit rod 17 outer wall is slidingly connected with L-shaped frame 19, L-shaped frame 19 for connecting push plate 20, and move stably under the guidance of limit rod 17, ensure that the screen 15 of the push out operation smoothly, L-shaped frame 19 outer wall one side is fixedly connected with push plate 20, push plate 20 for pushing screen 15 slide outward, make the screen 15 on the coal cinder can be cleaned smoothly, improve the convenience of maintenance, limit component includes rotating plate 21, rotating plate 21 for controlling the locking and release of push plate 20, make the screen 15 remain stable when screening, can be smoothly pushed out when needed cleaning, rotating plate 21 outer wall one side is rotatably connected in the collection box 2 outer wall, make rotating plate 21 can rotate around the fixed point, in order to control the limit state, rotating plate 21 outer wall one side is fixedly connected with connecting column 22, connecting column 22 for providing additional operation fulcrum, make the adjustment of limit component more flexible, connecting column 22 is internally provided with pull ring 23, pull ring 23 for manual operation, by pulling the pull ring 23 can remove the limit state of push plate 20, make the screen 15 can be smoothly pushed out, convenient for cleaning, positioning block 13 outer wall through dovetail block 10 and slidingly connected in the positioning hole 7 inner wall, make positioning block 13 can freely slide in the positioning hole 7, thus accurately positioning the dovetail block 10, ensure that the cleaning assembly remains stable during operation, positioning hole 7 for positioning the dovetail block 10, make it can slide along the fixed track, ensure that the cleaning assembly does not deviate during operation, improve the stability and reliability of cleaning operation, spring two 18 one end is fixedly connected in the collection box 2 inner wall one side, make spring two 18 remain stable when stretching or compression, ensure the reset function of push plate 20, spring two 18 the other end is fixedly connected in the L-shaped frame 19 outer wall one side,The L-shaped frame 19 can be elastically adjusted under the action of the spring two 18, the operation stability of the push plate 20 is improved, the outer wall of the screen 15 abuts against the outer wall of the push plate 20, the push plate 20 can directly act on the screen 15 when pushing, the stable movement of the screen 15 is realized, the push plate 20 is used for pushing the screen 15 to move out of the inside of the collecting box 2, the residual slag after the screening of the cinder can be smoothly cleaned, and the maintenance efficiency and service life of the screen 15 are improved.

[0029] When the belt cleaning device needs to be used to clean the belt conveyor, the driving motor 4 is started first, the rotating rod 8 in the connecting seat one 5 is driven to rotate by the driving motor 4, the cleaning brush 9 is driven to clean the belt of the belt conveyor 1, when the coal falls on the screen 15, the coal above the screen 15 is screened by starting the vibration motor 16, the collected coal is collected by the collecting box 14, the collected coal is collected by pulling the collecting box 14, the connecting column 22 drives the rotating plate 21 to rotate by rotating the pull ring 23, the rotating plate 21 is separated from the outer wall of the screen 15, the one side push plate 20 of the L-shaped frame 19 is driven to slide on the outer wall of the limiting rod 17 by the reaction force of the spring two 18, the screen 15 is driven to move out of the inside of the collecting box 2 for cleaning by the movement of the push plate 20, the larger coal above the screen 15 falls into the inside of the collecting box 14, the collecting box 14 is used as a secondary coal collecting container, when the cleaning brush 9 needs to be replaced, the positioning block 13 is retracted into the dovetail block 10 by pulling the rotating rod 8, the dovetail block 10 is separated from the connecting seat one 5 and the positioning hole 7, and the cleaning brush 9 is replaced.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A coal blocking unblocking device for a coal belt conveyor of a coal power plant, comprising a belt conveyor (1), characterized in that: The belt conveyor (1) one side is fixedly connected with collecting box (2), the collecting box (2) inside slide connection has collection box (14), the collecting box (2) outer wall one side is fixedly connected with support (3), the support (3) upper surface is fixedly connected with drive motor (4), the drive motor (4) output end penetrates collecting box (2) and is fixedly connected with connecting seat one (5), the collecting box (2) inner wall one side is rotatably connected with connecting seat two (6), the connecting seat one (5) and connecting seat two (6) inside are all provided with positioning hole (7), the connecting seat one (5) and connecting seat two (6) between installation have cleaning assembly; The cleaning assembly includes two dovetail blocks (10), the outer wall of the two dovetail blocks (10) is slidably connected to the inner wall of the connecting seat one (5) and the connecting seat two (6), the two dovetail blocks (10) are fixedly connected with a rotating rod (8), the rotating rod (8) is fixedly connected with a cleaning brush (9), and the dovetail block (10) is internally provided with a positioning assembly.

2. A coal blocking unblocking device for a coal conveying belt conveyor of a coal power plant according to claim 1, characterized in that: The positioning assembly includes a spring one (11), one end of the spring one (11) is fixedly connected to the inner wall of the dovetail block (10), the other end of the spring one (11) is fixedly connected with a sliding rod (12), and one end of the sliding rod (12) is fixedly connected with a positioning block (13).

3. A coal blocking unblocking device for a coal conveying belt of a coal conveying power plant according to claim 1, characterized in that: The collecting box (2) is slidably connected with a screen (15), the outer wall of the collecting box (2) is fixedly connected with a vibration motor (16), the inner wall of the collecting box (2) is provided with a pushing assembly, and the outer wall of the collecting box (2) is provided with a limiting assembly.

4. The coal blocking unblocking device for the coal conveying belt of the coal power plant according to claim 3, characterized in that: The pushing assembly includes a limiting rod (17), the limiting rod (17) is fixedly connected to the inner wall of the collecting box (2) at both ends, the limiting rod (17) is sleeved with a spring two (18) on the outer wall, the limiting rod (17) is slidably connected with an L-shaped frame (19) on the outer wall, and the outer wall of the L-shaped frame (19) is fixedly connected with a push plate (20) on one side.

5. A coal blockage unblocking device for a coal conveying belt of a coal conveying power plant according to claim 3, characterized in that: The limiting assembly includes a rotating plate (21), the outer wall of the rotating plate (21) is rotatably connected to the outer wall of the collecting box (2) on one side, the outer wall of the rotating plate (21) is fixedly connected with a connecting column (22) on one side, and the connecting column (22) is provided with a pull ring (23) in the inner portion.

6. A coal blockage unblocking device for a coal conveying belt of a coal conveying power plant according to claim 2, characterized in that: The outer wall of the positioning block (13) penetrates the dovetail block (10) and is slidably connected to the inner wall of the positioning hole (7), and the positioning hole (7) is used for positioning the dovetail block (10).

7. A coal blockage unblocking device for a coal conveying belt of a coal conveying power plant according to claim 4, characterized in that: One end of the spring two (18) is fixedly connected to the inner wall of the collecting box (2) on one side, and the other end of the spring two (18) is fixedly connected to the outer wall of the L-shaped frame (19) on one side.

8. A coal blockage unblocking device for a coal conveying belt of a coal conveying power plant according to claim 3, characterized in that: The outer wall of the screen (15) abuts against the outer wall of the push plate (20) on one side, and the push plate (20) is used for pushing the screen (15) out of the inner portion of the collecting box (2).

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